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class="document-toc-item "><a class="document-toc-link" href="#公式定義">公式定義</a></li><li class="document-toc-item "><a class="document-toc-link" href="#形式文法">形式文法</a></li><li class="document-toc-item "><a class="document-toc-link" href="#例">例</a></li><li class="document-toc-item "><a class="document-toc-link" href="#仕様書">仕様書</a></li><li class="document-toc-item "><a class="document-toc-link" href="#ブラウザーの互換性">ブラウザーの互換性</a></li><li class="document-toc-item "><a class="document-toc-link" href="#関連情報">関連情報</a></li></ul></section></div></div><div class="sidebar-body"> <ol> <li class="section"><a href="/ja/docs/Web/CSS">CSS</a></li> <li class="section"><a href="/ja/docs/Learn/CSS">チュートリアル</a></li> <li><a href="/ja/docs/Learn/Getting_started_with_the_web/CSS_basics">CSS の基本</a></li> <li class="toggle"> <details> <summary>CSS の第一歩</summary> <ol> <li><a href="/ja/docs/Learn/CSS/First_steps">CSS の第一歩の概要</a></li> <li><a href="/ja/docs/Learn/CSS/First_steps/What_is_CSS">CSS とは何か</a></li> <li><a href="/ja/docs/Learn/CSS/First_steps/Getting_started">CSS 入門</a></li> <li><a href="/ja/docs/Learn/CSS/First_steps/How_CSS_is_structured">CSS の全体像</a></li> <li><a href="/ja/docs/Learn/CSS/First_steps/How_CSS_works">CSS の働き</a></li> <li><a href="/ja/docs/Learn/CSS/First_steps/Styling_a_biography_page">評価課題: 経歴ページのスタイル設定</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>CSS の構成要素</summary> <ol> <li><a href="/ja/docs/Learn/CSS/Building_blocks">CSS の構成要素の概要</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Selectors">CSS セレクター</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Selectors/Type_Class_and_ID_Selectors">Type, class, and ID selectors</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Selectors/Attribute_selectors">Attribute selectors</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Selectors/Pseudo-classes_and_pseudo-elements">Pseudo-classes and pseudo-elements</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Selectors/Combinators">Combinators</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Cascade_and_inheritance">カスケードと継承</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Cascade_layers">Cascade layers</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/The_box_model">ボックスモデル</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Backgrounds_and_borders">背景と境界</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Handling_different_text_directions">書字方向の操作</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Overflowing_content">内容のはみ出し</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Values_and_units">CSS の値と単位</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Sizing_items_in_CSS">CSS における大きさの指定</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Images_media_form_elements">画像、メディア、フォームの要素</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Styling_tables">表のスタイル付け</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Debugging_CSS">CSS のデバッグ</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Organizing">CSS の整理</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Fundamental_CSS_comprehension">評価課題: CSS の基本的な理解度</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/Creating_fancy_letterheaded_paper">評価課題: 素敵なレターヘッドの便箋の作成</a></li> <li><a href="/ja/docs/Learn/CSS/Building_blocks/A_cool_looking_box">評価課題: かっこいいボックス</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>テキストの装飾</summary> <ol> <li><a href="/ja/docs/Learn/CSS/Styling_text">テキストの装飾の概要</a></li> <li><a href="/ja/docs/Learn/CSS/Styling_text/Fundamentals">基本的なテキストとフォントの装飾</a></li> <li><a href="/ja/docs/Learn/CSS/Styling_text/Styling_lists">リストの装飾</a></li> <li><a href="/ja/docs/Learn/CSS/Styling_text/Styling_links">リンクの装飾</a></li> <li><a href="/ja/docs/Learn/CSS/Styling_text/Web_fonts">ウェブフォント</a></li> <li><a href="/ja/docs/Learn/CSS/Styling_text/Typesetting_a_homepage">評価課題: コミュニティスクールのホームページの組版</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>CSS レイアウト</summary> <ol> <li><a href="/ja/docs/Learn/CSS/CSS_layout">CSS レイアウトの概要</a></li> <li><a href="/ja/docs/Learn/CSS/CSS_layout/Introduction">CSS レイアウト入門</a></li> <li><a href="/ja/docs/Learn/CSS/CSS_layout/Normal_Flow">通常フロー</a></li> <li><a href="/ja/docs/Learn/CSS/CSS_layout/Flexbox">フレックスボックス</a></li> <li><a href="/ja/docs/Learn/CSS/CSS_layout/Grids">グリッド</a></li> <li><a href="/ja/docs/Learn/CSS/CSS_layout/Floats">浮動</a></li> <li><a href="/ja/docs/Learn/CSS/CSS_layout/Positioning">位置指定</a></li> <li><a href="/ja/docs/Learn/CSS/CSS_layout/Multiple-column_Layout">段組みレイアウト</a></li> <li><a href="/ja/docs/Learn/CSS/CSS_layout/Responsive_Design">レスポンシブデザイン</a></li> <li><a href="/ja/docs/Learn/CSS/CSS_layout/Media_queries">メディアクエリーの初心者向けガイド</a></li> <li><a href="/ja/docs/Learn/CSS/CSS_layout/Legacy_Layout_Methods">古いレイアウト方法</a></li> <li><a href="/ja/docs/Learn/CSS/CSS_layout/Supporting_Older_Browsers">古いブラウザーの対応</a></li> <li><a href="/ja/docs/Learn/CSS/CSS_layout/Fundamental_Layout_Comprehension">評価課題: 基礎的なレイアウトの理解</a></li> </ol> </details> </li> <li class="section"><a href="/ja/docs/Web/CSS/Reference">Reference</a></li> <li class="toggle"><details><summary>Modules</summary><ol><li><a href="/ja/docs/Web/CSS/CSS_anchor_positioning">CSS アンカー位置指定</a></li><li><a href="/ja/docs/Web/CSS/CSS_animations">CSS アニメーション</a></li><li><a href="/ja/docs/Web/CSS/CSS_backgrounds_and_borders">CSS 背景と境界</a></li><li><a href="/ja/docs/Web/CSS/CSS_basic_user_interface">CSS 基本ユーザーインターフェイス</a></li><li><a href="/ja/docs/Web/CSS/CSS_box_alignment">CSS ボックス配置</a></li><li><a href="/ja/docs/Web/CSS/CSS_box_model">CSS ボックスモデル</a></li><li><a href="/ja/docs/Web/CSS/CSS_box_sizing">CSS ボックスサイズ指定</a></li><li><a href="/ja/docs/Web/CSS/CSS_cascade">CSS カスケードと継承</a></li><li><a href="/ja/docs/Web/CSS/CSS_cascading_variables">カスケード変数のための CSS カスタムプロパティ</a></li><li><a href="/ja/docs/Web/CSS/CSS_color_adjustment">CSS 色調整</a></li><li><a href="/ja/docs/Web/CSS/CSS_colors">CSS 色</a></li><li><a href="/ja/docs/Web/CSS/CSS_compositing_and_blending">CSS 合成と混合</a></li><li><a href="/ja/docs/Web/CSS/CSS_conditional_rules">CSS 条件付き規則</a></li><li><a href="/ja/docs/Web/CSS/CSS_containment">CSS 拘束</a></li><li><a href="/ja/docs/Web/CSS/CSS_counter_styles">CSS カウンタースタイル</a></li><li><a href="/ja/docs/Web/CSS/CSS_display">CSS 表示方法</a></li><li><a href="/ja/docs/Web/CSS/CSS_filter_effects">フィルター効果</a></li><li><a href="/ja/docs/Web/CSS/CSS_flexible_box_layout">CSS フレックスボックスレイアウト</a></li><li><a href="/ja/docs/Web/CSS/CSS_font_loading">CSS フォント読み込み</a></li><li><a href="/ja/docs/Web/CSS/CSS_fonts">CSS フォント</a></li><li><a href="/ja/docs/Web/CSS/CSS_fragmentation">CSS 断片化</a></li><li><a href="/ja/docs/Web/CSS/CSS_generated_content">CSS 生成コンテンツ</a></li><li><a href="/ja/docs/Web/CSS/CSS_grid_layout">CSS グリッドレイアウト</a></li><li><a href="/ja/docs/Web/CSS/CSS_images">CSS 画像</a></li><li><a href="/ja/docs/Web/CSS/CSS_inline_layout">CSS インラインレイアウト</a></li><li><a href="/ja/docs/Web/CSS/CSS_lists">CSS リスト</a></li><li><a href="/ja/docs/Web/CSS/CSS_logical_properties_and_values">CSS 論理的プロパティと値</a></li><li><a href="/ja/docs/Web/CSS/CSS_masking">CSS マスク</a></li><li><a href="/ja/docs/Web/CSS/CSS_media_queries">メディアクエリー</a></li><li><a href="/ja/docs/Web/CSS/CSS_motion_path">CSS モーションパス</a></li><li><a href="/ja/docs/Web/CSS/CSS_multicol_layout">CSS 段組みレイアウト</a></li><li><a href="/ja/docs/Web/CSS/CSS_namespaces">CSS 名前空間</a></li><li><a href="/ja/docs/Web/CSS/CSS_nesting">CSS 入れ子</a></li><li><a href="/ja/docs/Web/CSS/CSS_overflow">CSS オーバーフロー</a></li><li><a href="/ja/docs/Web/CSS/CSS_overscroll_behavior">CSS オーバースクロール動作</a></li><li><a href="/ja/docs/Web/CSS/CSS_paged_media">CSS ページメディア</a></li><li><a href="/ja/docs/Web/CSS/CSS_positioned_layout">CSS 位置指定レイアウト</a></li><li><a href="/ja/docs/Web/CSS/CSS_properties_and_values_API">CSS プロパティと値 API</a></li><li><a href="/ja/docs/Web/CSS/CSS_pseudo-elements">CSS 擬似要素</a></li><li><a href="/ja/docs/Web/CSS/CSS_ruby_layout">CSS ルビレイアウト</a></li><li><a href="/ja/docs/Web/CSS/CSS_scoping">CSS スコープ</a></li><li><a href="/ja/docs/Web/CSS/CSS_scroll-driven_animations">CSS スクロール駆動アニメーション</a></li><li><a href="/ja/docs/Web/CSS/CSS_scroll_snap">CSS スクロールスナップ</a></li><li><a href="/ja/docs/Web/CSS/CSS_scrollbars_styling">CSS スクロールバースタイル設定</a></li><li><a href="/ja/docs/Web/CSS/CSS_selectors">CSS セレクター</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/CSS_shadow_parts">CSS shadow parts</a></li><li><a href="/ja/docs/Web/CSS/CSS_shapes">CSS シェイプ</a></li><li><a href="/ja/docs/Web/CSS/CSS_syntax">CSS 構文</a></li><li><a href="/ja/docs/Web/CSS/CSS_table">CSS 表</a></li><li><a href="/ja/docs/Web/CSS/CSS_text">CSS テキスト</a></li><li><a href="/ja/docs/Web/CSS/CSS_text_decoration">CSS テキスト装飾</a></li><li><a href="/ja/docs/Web/CSS/CSS_transforms">CSS 座標変換</a></li><li><a href="/ja/docs/Web/CSS/CSS_transitions">CSS トランジション</a></li><li><a href="/ja/docs/Web/CSS/CSS_view_transitions">CSS ビュー遷移</a></li><li><a href="/ja/docs/Web/CSS/CSS_writing_modes">CSS 書字方向</a></li><li><a href="/ja/docs/Web/CSS/CSSOM_view">CSSOM View</a></li></ol></details></li> <li class="toggle"><details open=""><summary>Properties</summary><ol><li class="toggle"><details><summary>-moz-*</summary><ol><li><a href="/ja/docs/Web/CSS/-moz-float-edge">-moz-float-edge</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-moz-force-broken-image-icon">-moz-force-broken-image-icon</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-moz-image-region">-moz-image-region</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-moz-orient">-moz-orient</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-moz-user-focus">-moz-user-focus</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-moz-user-input">-moz-user-input</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li></ol></details></li><li class="toggle"><details><summary>-webkit-*</summary><ol><li><a href="/ja/docs/Web/CSS/-webkit-border-before">-webkit-border-before</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-webkit-box-reflect">-webkit-box-reflect</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-webkit-line-clamp">-webkit-line-clamp</a></li><li><a href="/ja/docs/Web/CSS/-webkit-mask-box-image">-webkit-mask-box-image</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-webkit-mask-composite">-webkit-mask-composite</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-webkit-mask-position-x">-webkit-mask-position-x</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-webkit-mask-position-y">-webkit-mask-position-y</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-webkit-mask-repeat-x">-webkit-mask-repeat-x</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-webkit-mask-repeat-y">-webkit-mask-repeat-y</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-webkit-tap-highlight-color">-webkit-tap-highlight-color</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-webkit-text-fill-color">-webkit-text-fill-color</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/-webkit-text-security">-webkit-text-security</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/-webkit-text-stroke">-webkit-text-stroke</a></li><li><a href="/ja/docs/Web/CSS/-webkit-text-stroke-color">-webkit-text-stroke-color</a></li><li><a href="/ja/docs/Web/CSS/-webkit-text-stroke-width">-webkit-text-stroke-width</a></li><li><a href="/ja/docs/Web/CSS/-webkit-touch-callout">-webkit-touch-callout</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li></ol></details></li><li><a href="/ja/docs/Web/CSS/accent-color">accent-color</a></li><li class="toggle"><details><summary>align-*</summary><ol><li><a href="/ja/docs/Web/CSS/align-content">align-content</a></li><li><a href="/ja/docs/Web/CSS/align-items">align-items</a></li><li><a href="/ja/docs/Web/CSS/align-self">align-self</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/all">all</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/anchor-name">anchor-name</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li class="toggle"><details><summary>animation-*</summary><ol><li><a href="/ja/docs/Web/CSS/animation">animation</a></li><li><a href="/ja/docs/Web/CSS/animation-composition">animation-composition</a></li><li><a href="/ja/docs/Web/CSS/animation-delay">animation-delay</a></li><li><a href="/ja/docs/Web/CSS/animation-direction">animation-direction</a></li><li><a href="/ja/docs/Web/CSS/animation-duration">animation-duration</a></li><li><a href="/ja/docs/Web/CSS/animation-fill-mode">animation-fill-mode</a></li><li><a href="/ja/docs/Web/CSS/animation-iteration-count">animation-iteration-count</a></li><li><a href="/ja/docs/Web/CSS/animation-name">animation-name</a></li><li><a href="/ja/docs/Web/CSS/animation-play-state">animation-play-state</a></li><li><a href="/ja/docs/Web/CSS/animation-range">animation-range</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/animation-range-end">animation-range-end</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/animation-range-start">animation-range-start</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/animation-timeline">animation-timeline</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/animation-timing-function">animation-timing-function</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/appearance">appearance</a></li><li><a href="/ja/docs/Web/CSS/aspect-ratio">aspect-ratio</a></li><li><a href="/ja/docs/Web/CSS/backdrop-filter">backdrop-filter</a></li><li><a href="/ja/docs/Web/CSS/backface-visibility">backface-visibility</a></li><li class="toggle"><details><summary>background-*</summary><ol><li><a href="/ja/docs/Web/CSS/background">background</a></li><li><a href="/ja/docs/Web/CSS/background-attachment">background-attachment</a></li><li><a href="/ja/docs/Web/CSS/background-blend-mode">background-blend-mode</a></li><li><a href="/ja/docs/Web/CSS/background-clip">background-clip</a></li><li><a href="/ja/docs/Web/CSS/background-color">background-color</a></li><li><a href="/ja/docs/Web/CSS/background-image">background-image</a></li><li><a href="/ja/docs/Web/CSS/background-origin">background-origin</a></li><li><a href="/ja/docs/Web/CSS/background-position">background-position</a></li><li><a href="/ja/docs/Web/CSS/background-position-x">background-position-x</a></li><li><a href="/ja/docs/Web/CSS/background-position-y">background-position-y</a></li><li><a href="/ja/docs/Web/CSS/background-repeat">background-repeat</a></li><li><a href="/ja/docs/Web/CSS/background-size">background-size</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/block-size">block-size</a></li><li class="toggle"><details><summary>border-*</summary><ol><li><a href="/ja/docs/Web/CSS/border">border</a></li><li><a href="/ja/docs/Web/CSS/border-block">border-block</a></li><li><a href="/ja/docs/Web/CSS/border-block-color">border-block-color</a></li><li><a href="/ja/docs/Web/CSS/border-block-end">border-block-end</a></li><li><a href="/ja/docs/Web/CSS/border-block-end-color">border-block-end-color</a></li><li><a href="/ja/docs/Web/CSS/border-block-end-style">border-block-end-style</a></li><li><a href="/ja/docs/Web/CSS/border-block-end-width">border-block-end-width</a></li><li><a href="/ja/docs/Web/CSS/border-block-start">border-block-start</a></li><li><a href="/ja/docs/Web/CSS/border-block-start-color">border-block-start-color</a></li><li><a href="/ja/docs/Web/CSS/border-block-start-style">border-block-start-style</a></li><li><a href="/ja/docs/Web/CSS/border-block-start-width">border-block-start-width</a></li><li><a href="/ja/docs/Web/CSS/border-block-style">border-block-style</a></li><li><a href="/ja/docs/Web/CSS/border-block-width">border-block-width</a></li><li><a href="/ja/docs/Web/CSS/border-bottom">border-bottom</a></li><li><a href="/ja/docs/Web/CSS/border-bottom-color">border-bottom-color</a></li><li><a href="/ja/docs/Web/CSS/border-bottom-left-radius">border-bottom-left-radius</a></li><li><a href="/ja/docs/Web/CSS/border-bottom-right-radius">border-bottom-right-radius</a></li><li><a href="/ja/docs/Web/CSS/border-bottom-style">border-bottom-style</a></li><li><a href="/ja/docs/Web/CSS/border-bottom-width">border-bottom-width</a></li><li><a href="/ja/docs/Web/CSS/border-collapse">border-collapse</a></li><li><a href="/ja/docs/Web/CSS/border-color">border-color</a></li><li><a href="/ja/docs/Web/CSS/border-end-end-radius">border-end-end-radius</a></li><li><a href="/ja/docs/Web/CSS/border-end-start-radius">border-end-start-radius</a></li><li><a href="/ja/docs/Web/CSS/border-image">border-image</a></li><li><a href="/ja/docs/Web/CSS/border-image-outset">border-image-outset</a></li><li><a href="/ja/docs/Web/CSS/border-image-repeat">border-image-repeat</a></li><li><a href="/ja/docs/Web/CSS/border-image-slice">border-image-slice</a></li><li><a href="/ja/docs/Web/CSS/border-image-source">border-image-source</a></li><li><a href="/ja/docs/Web/CSS/border-image-width">border-image-width</a></li><li><a href="/ja/docs/Web/CSS/border-inline">border-inline</a></li><li><a href="/ja/docs/Web/CSS/border-inline-color">border-inline-color</a></li><li><a href="/ja/docs/Web/CSS/border-inline-end">border-inline-end</a></li><li><a href="/ja/docs/Web/CSS/border-inline-end-color">border-inline-end-color</a></li><li><a href="/ja/docs/Web/CSS/border-inline-end-style">border-inline-end-style</a></li><li><a href="/ja/docs/Web/CSS/border-inline-end-width">border-inline-end-width</a></li><li><a href="/ja/docs/Web/CSS/border-inline-start">border-inline-start</a></li><li><a href="/ja/docs/Web/CSS/border-inline-start-color">border-inline-start-color</a></li><li><a href="/ja/docs/Web/CSS/border-inline-start-style">border-inline-start-style</a></li><li><a href="/ja/docs/Web/CSS/border-inline-start-width">border-inline-start-width</a></li><li><a href="/ja/docs/Web/CSS/border-inline-style">border-inline-style</a></li><li><a href="/ja/docs/Web/CSS/border-inline-width">border-inline-width</a></li><li><a href="/ja/docs/Web/CSS/border-left">border-left</a></li><li><a href="/ja/docs/Web/CSS/border-left-color">border-left-color</a></li><li><a href="/ja/docs/Web/CSS/border-left-style">border-left-style</a></li><li><a href="/ja/docs/Web/CSS/border-left-width">border-left-width</a></li><li><a href="/ja/docs/Web/CSS/border-radius">border-radius</a></li><li><a href="/ja/docs/Web/CSS/border-right">border-right</a></li><li><a href="/ja/docs/Web/CSS/border-right-color">border-right-color</a></li><li><a href="/ja/docs/Web/CSS/border-right-style">border-right-style</a></li><li><a href="/ja/docs/Web/CSS/border-right-width">border-right-width</a></li><li><a href="/ja/docs/Web/CSS/border-spacing">border-spacing</a></li><li><a href="/ja/docs/Web/CSS/border-start-end-radius">border-start-end-radius</a></li><li><a href="/ja/docs/Web/CSS/border-start-start-radius">border-start-start-radius</a></li><li><a href="/ja/docs/Web/CSS/border-style">border-style</a></li><li><a href="/ja/docs/Web/CSS/border-top">border-top</a></li><li><a href="/ja/docs/Web/CSS/border-top-color">border-top-color</a></li><li><a href="/ja/docs/Web/CSS/border-top-left-radius">border-top-left-radius</a></li><li><a href="/ja/docs/Web/CSS/border-top-right-radius">border-top-right-radius</a></li><li><a href="/ja/docs/Web/CSS/border-top-style">border-top-style</a></li><li><a href="/ja/docs/Web/CSS/border-top-width">border-top-width</a></li><li><a href="/ja/docs/Web/CSS/border-width">border-width</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/bottom">bottom</a></li><li class="toggle"><details><summary>box-*</summary><ol><li><a href="/ja/docs/Web/CSS/box-align">box-align</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/box-decoration-break">box-decoration-break</a></li><li><a href="/ja/docs/Web/CSS/box-direction">box-direction</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/box-flex">box-flex</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/box-flex-group">box-flex-group</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/box-lines">box-lines</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/box-ordinal-group">box-ordinal-group</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/box-orient">box-orient</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/box-pack">box-pack</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/box-shadow">box-shadow</a></li><li><a href="/ja/docs/Web/CSS/box-sizing">box-sizing</a></li></ol></details></li><li class="toggle"><details><summary>break-*</summary><ol><li><a href="/ja/docs/Web/CSS/break-after">break-after</a></li><li><a href="/ja/docs/Web/CSS/break-before">break-before</a></li><li><a href="/ja/docs/Web/CSS/break-inside">break-inside</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/caption-side">caption-side</a></li><li><a href="/ja/docs/Web/CSS/caret-color">caret-color</a></li><li><a href="/ja/docs/Web/CSS/clear">clear</a></li><li class="toggle"><details><summary>clip-*</summary><ol><li><a href="/ja/docs/Web/CSS/clip">clip</a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/clip-path">clip-path</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/clip-rule">clip-rule</a></li></ol></details></li><li class="toggle"><details><summary>color-*</summary><ol><li><a href="/ja/docs/Web/CSS/color">color</a></li><li><a href="/ja/docs/Web/CSS/color-interpolation">color-interpolation</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/color-interpolation-filters">color-interpolation-filters</a></li><li><a href="/ja/docs/Web/CSS/color-scheme">color-scheme</a></li></ol></details></li><li class="toggle"><details><summary>column-*</summary><ol><li><a href="/ja/docs/Web/CSS/column-count">column-count</a></li><li><a href="/ja/docs/Web/CSS/column-fill">column-fill</a></li><li><a href="/ja/docs/Web/CSS/column-gap">column-gap</a></li><li><a href="/ja/docs/Web/CSS/column-rule">column-rule</a></li><li><a href="/ja/docs/Web/CSS/column-rule-color">column-rule-color</a></li><li><a href="/ja/docs/Web/CSS/column-rule-style">column-rule-style</a></li><li><a href="/ja/docs/Web/CSS/column-rule-width">column-rule-width</a></li><li><a href="/ja/docs/Web/CSS/column-span">column-span</a></li><li><a href="/ja/docs/Web/CSS/column-width">column-width</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/columns">columns</a></li><li class="toggle"><details><summary>contain-*</summary><ol><li><a href="/ja/docs/Web/CSS/contain">contain</a></li><li><a href="/ja/docs/Web/CSS/contain-intrinsic-block-size">contain-intrinsic-block-size</a></li><li><a href="/ja/docs/Web/CSS/contain-intrinsic-height">contain-intrinsic-height</a></li><li><a href="/ja/docs/Web/CSS/contain-intrinsic-inline-size">contain-intrinsic-inline-size</a></li><li><a href="/ja/docs/Web/CSS/contain-intrinsic-size">contain-intrinsic-size</a></li><li><a href="/ja/docs/Web/CSS/contain-intrinsic-width">contain-intrinsic-width</a></li></ol></details></li><li class="toggle"><details><summary>container-*</summary><ol><li><a href="/ja/docs/Web/CSS/container">container</a></li><li><a href="/ja/docs/Web/CSS/container-name">container-name</a></li><li><a href="/ja/docs/Web/CSS/container-type">container-type</a></li></ol></details></li><li><em><a href="/ja/docs/Web/CSS/content" aria-current="page">content</a></em></li><li><a href="/ja/docs/Web/CSS/content-visibility">content-visibility</a></li><li class="toggle"><details><summary>counter-*</summary><ol><li><a href="/ja/docs/Web/CSS/counter-increment">counter-increment</a></li><li><a href="/ja/docs/Web/CSS/counter-reset">counter-reset</a></li><li><a href="/ja/docs/Web/CSS/counter-set">counter-set</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/cursor">cursor</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/cx">cx</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/cy">cy</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/d">d</a></li><li><a href="/ja/docs/Web/CSS/direction">direction</a></li><li><a href="/ja/docs/Web/CSS/display">display</a></li><li><a href="/ja/docs/Web/CSS/dominant-baseline">dominant-baseline</a></li><li><a href="/ja/docs/Web/CSS/empty-cells">empty-cells</a></li><li><a href="/ja/docs/Web/CSS/field-sizing">field-sizing</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li class="toggle"><details><summary>fill-*</summary><ol><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/fill">fill</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/fill-opacity">fill-opacity</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/fill-rule">fill-rule</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/filter">filter</a></li><li class="toggle"><details><summary>flex-*</summary><ol><li><a href="/ja/docs/Web/CSS/flex">flex</a></li><li><a href="/ja/docs/Web/CSS/flex-basis">flex-basis</a></li><li><a href="/ja/docs/Web/CSS/flex-direction">flex-direction</a></li><li><a href="/ja/docs/Web/CSS/flex-flow">flex-flow</a></li><li><a href="/ja/docs/Web/CSS/flex-grow">flex-grow</a></li><li><a href="/ja/docs/Web/CSS/flex-shrink">flex-shrink</a></li><li><a href="/ja/docs/Web/CSS/flex-wrap">flex-wrap</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/float">float</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/flood-color">flood-color</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/flood-opacity">flood-opacity</a></li><li class="toggle"><details><summary>font-*</summary><ol><li><a href="/ja/docs/Web/CSS/font">font</a></li><li><a href="/ja/docs/Web/CSS/font-family">font-family</a></li><li><a href="/ja/docs/Web/CSS/font-feature-settings">font-feature-settings</a></li><li><a href="/ja/docs/Web/CSS/font-kerning">font-kerning</a></li><li><a href="/ja/docs/Web/CSS/font-language-override">font-language-override</a></li><li><a href="/ja/docs/Web/CSS/font-optical-sizing">font-optical-sizing</a></li><li><a href="/ja/docs/Web/CSS/font-palette">font-palette</a></li><li><a href="/ja/docs/Web/CSS/font-size">font-size</a></li><li><a href="/ja/docs/Web/CSS/font-size-adjust">font-size-adjust</a></li><li><a href="/ja/docs/Web/CSS/font-smooth">font-smooth</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/font-stretch">font-stretch</a></li><li><a href="/ja/docs/Web/CSS/font-style">font-style</a></li><li><a href="/ja/docs/Web/CSS/font-synthesis">font-synthesis</a></li><li><a href="/ja/docs/Web/CSS/font-synthesis-position">font-synthesis-position</a></li><li><a href="/ja/docs/Web/CSS/font-synthesis-small-caps">font-synthesis-small-caps</a></li><li><a href="/ja/docs/Web/CSS/font-synthesis-style">font-synthesis-style</a></li><li><a href="/ja/docs/Web/CSS/font-synthesis-weight">font-synthesis-weight</a></li><li><a href="/ja/docs/Web/CSS/font-variant">font-variant</a></li><li><a href="/ja/docs/Web/CSS/font-variant-alternates">font-variant-alternates</a></li><li><a href="/ja/docs/Web/CSS/font-variant-caps">font-variant-caps</a></li><li><a href="/ja/docs/Web/CSS/font-variant-east-asian">font-variant-east-asian</a></li><li><a href="/ja/docs/Web/CSS/font-variant-emoji">font-variant-emoji</a></li><li><a href="/ja/docs/Web/CSS/font-variant-ligatures">font-variant-ligatures</a></li><li><a href="/ja/docs/Web/CSS/font-variant-numeric">font-variant-numeric</a></li><li><a href="/ja/docs/Web/CSS/font-variant-position">font-variant-position</a></li><li><a href="/ja/docs/Web/CSS/font-variation-settings">font-variation-settings</a></li><li><a href="/ja/docs/Web/CSS/font-weight">font-weight</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/forced-color-adjust">forced-color-adjust</a></li><li><a href="/ja/docs/Web/CSS/gap">gap</a></li><li class="toggle"><details><summary>grid-*</summary><ol><li><a href="/ja/docs/Web/CSS/grid">grid</a></li><li><a href="/ja/docs/Web/CSS/grid-area">grid-area</a></li><li><a href="/ja/docs/Web/CSS/grid-auto-columns">grid-auto-columns</a></li><li><a href="/ja/docs/Web/CSS/grid-auto-flow">grid-auto-flow</a></li><li><a href="/ja/docs/Web/CSS/grid-auto-rows">grid-auto-rows</a></li><li><a href="/ja/docs/Web/CSS/grid-column">grid-column</a></li><li><a href="/ja/docs/Web/CSS/grid-column-end">grid-column-end</a></li><li><a href="/ja/docs/Web/CSS/grid-column-start">grid-column-start</a></li><li><a href="/ja/docs/Web/CSS/grid-row">grid-row</a></li><li><a href="/ja/docs/Web/CSS/grid-row-end">grid-row-end</a></li><li><a href="/ja/docs/Web/CSS/grid-row-start">grid-row-start</a></li><li><a href="/ja/docs/Web/CSS/grid-template">grid-template</a></li><li><a href="/ja/docs/Web/CSS/grid-template-areas">grid-template-areas</a></li><li><a href="/ja/docs/Web/CSS/grid-template-columns">grid-template-columns</a></li><li><a href="/ja/docs/Web/CSS/grid-template-rows">grid-template-rows</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/hanging-punctuation">hanging-punctuation</a></li><li><a href="/ja/docs/Web/CSS/height">height</a></li><li><a href="/ja/docs/Web/CSS/hyphenate-character">hyphenate-character</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/hyphenate-limit-chars">hyphenate-limit-chars</a></li><li><a href="/ja/docs/Web/CSS/hyphens">hyphens</a></li><li class="toggle"><details><summary>image-*</summary><ol><li><a href="/ja/docs/Web/CSS/image-orientation">image-orientation</a></li><li><a href="/ja/docs/Web/CSS/image-rendering">image-rendering</a></li><li><a href="/ja/docs/Web/CSS/image-resolution">image-resolution</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li></ol></details></li><li><a href="/ja/docs/Web/CSS/initial-letter">initial-letter</a></li><li><a href="/ja/docs/Web/CSS/inline-size">inline-size</a></li><li class="toggle"><details><summary>inset-*</summary><ol><li><a href="/ja/docs/Web/CSS/inset">inset</a></li><li><a href="/ja/docs/Web/CSS/inset-block">inset-block</a></li><li><a href="/ja/docs/Web/CSS/inset-block-end">inset-block-end</a></li><li><a href="/ja/docs/Web/CSS/inset-block-start">inset-block-start</a></li><li><a href="/ja/docs/Web/CSS/inset-inline">inset-inline</a></li><li><a href="/ja/docs/Web/CSS/inset-inline-end">inset-inline-end</a></li><li><a href="/ja/docs/Web/CSS/inset-inline-start">inset-inline-start</a></li></ol></details></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/interpolate-size">interpolate-size</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/isolation">isolation</a></li><li class="toggle"><details><summary>justify-*</summary><ol><li><a href="/ja/docs/Web/CSS/justify-content">justify-content</a></li><li><a href="/ja/docs/Web/CSS/justify-items">justify-items</a></li><li><a href="/ja/docs/Web/CSS/justify-self">justify-self</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/left">left</a></li><li><a href="/ja/docs/Web/CSS/letter-spacing">letter-spacing</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/lighting-color">lighting-color</a></li><li class="toggle"><details><summary>line-*</summary><ol><li><a href="/ja/docs/Web/CSS/line-break">line-break</a></li><li><a href="/ja/docs/Web/CSS/line-height">line-height</a></li><li><a href="/ja/docs/Web/CSS/line-height-step">line-height-step</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li></ol></details></li><li class="toggle"><details><summary>list-*</summary><ol><li><a href="/ja/docs/Web/CSS/list-style">list-style</a></li><li><a href="/ja/docs/Web/CSS/list-style-image">list-style-image</a></li><li><a href="/ja/docs/Web/CSS/list-style-position">list-style-position</a></li><li><a href="/ja/docs/Web/CSS/list-style-type">list-style-type</a></li></ol></details></li><li class="toggle"><details><summary>margin-*</summary><ol><li><a href="/ja/docs/Web/CSS/margin">margin</a></li><li><a href="/ja/docs/Web/CSS/margin-block">margin-block</a></li><li><a href="/ja/docs/Web/CSS/margin-block-end">margin-block-end</a></li><li><a href="/ja/docs/Web/CSS/margin-block-start">margin-block-start</a></li><li><a href="/ja/docs/Web/CSS/margin-bottom">margin-bottom</a></li><li><a href="/ja/docs/Web/CSS/margin-inline">margin-inline</a></li><li><a href="/ja/docs/Web/CSS/margin-inline-end">margin-inline-end</a></li><li><a href="/ja/docs/Web/CSS/margin-inline-start">margin-inline-start</a></li><li><a href="/ja/docs/Web/CSS/margin-left">margin-left</a></li><li><a href="/ja/docs/Web/CSS/margin-right">margin-right</a></li><li><a href="/ja/docs/Web/CSS/margin-top">margin-top</a></li><li><a href="/ja/docs/Web/CSS/margin-trim">margin-trim</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li></ol></details></li><li class="toggle"><details><summary>marker-*</summary><ol><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/marker">marker</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/marker-end">marker-end</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/marker-mid">marker-mid</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/marker-start">marker-start</a></li></ol></details></li><li class="toggle"><details><summary>mask-*</summary><ol><li><a href="/ja/docs/Web/CSS/mask">mask</a></li><li><a href="/ja/docs/Web/CSS/mask-border">mask-border</a></li><li><a href="/ja/docs/Web/CSS/mask-border-mode">mask-border-mode</a></li><li><a href="/ja/docs/Web/CSS/mask-border-outset">mask-border-outset</a></li><li><a href="/ja/docs/Web/CSS/mask-border-repeat">mask-border-repeat</a></li><li><a href="/ja/docs/Web/CSS/mask-border-slice">mask-border-slice</a></li><li><a href="/ja/docs/Web/CSS/mask-border-source">mask-border-source</a></li><li><a href="/ja/docs/Web/CSS/mask-border-width">mask-border-width</a></li><li><a href="/ja/docs/Web/CSS/mask-clip">mask-clip</a></li><li><a href="/ja/docs/Web/CSS/mask-composite">mask-composite</a></li><li><a href="/ja/docs/Web/CSS/mask-image">mask-image</a></li><li><a href="/ja/docs/Web/CSS/mask-mode">mask-mode</a></li><li><a href="/ja/docs/Web/CSS/mask-origin">mask-origin</a></li><li><a href="/ja/docs/Web/CSS/mask-position">mask-position</a></li><li><a href="/ja/docs/Web/CSS/mask-repeat">mask-repeat</a></li><li><a href="/ja/docs/Web/CSS/mask-size">mask-size</a></li><li><a href="/ja/docs/Web/CSS/mask-type">mask-type</a></li></ol></details></li><li class="toggle"><details><summary>math-*</summary><ol><li><a href="/ja/docs/Web/CSS/math-depth">math-depth</a></li><li><a href="/ja/docs/Web/CSS/math-shift">math-shift</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/math-style">math-style</a></li></ol></details></li><li class="toggle"><details><summary>max-*</summary><ol><li><a href="/ja/docs/Web/CSS/max-block-size">max-block-size</a></li><li><a href="/ja/docs/Web/CSS/max-height">max-height</a></li><li><a href="/ja/docs/Web/CSS/max-inline-size">max-inline-size</a></li><li><a href="/ja/docs/Web/CSS/max-width">max-width</a></li></ol></details></li><li class="toggle"><details><summary>min-*</summary><ol><li><a href="/ja/docs/Web/CSS/min-block-size">min-block-size</a></li><li><a href="/ja/docs/Web/CSS/min-height">min-height</a></li><li><a href="/ja/docs/Web/CSS/min-inline-size">min-inline-size</a></li><li><a href="/ja/docs/Web/CSS/min-width">min-width</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/mix-blend-mode">mix-blend-mode</a></li><li><a href="/ja/docs/Web/CSS/object-fit">object-fit</a></li><li><a href="/ja/docs/Web/CSS/object-position">object-position</a></li><li class="toggle"><details><summary>offset-*</summary><ol><li><a href="/ja/docs/Web/CSS/offset">offset</a></li><li><a href="/ja/docs/Web/CSS/offset-anchor">offset-anchor</a></li><li><a href="/ja/docs/Web/CSS/offset-distance">offset-distance</a></li><li><a href="/ja/docs/Web/CSS/offset-path">offset-path</a></li><li><a href="/ja/docs/Web/CSS/offset-position">offset-position</a></li><li><a href="/ja/docs/Web/CSS/offset-rotate">offset-rotate</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/opacity">opacity</a></li><li><a href="/ja/docs/Web/CSS/order">order</a></li><li><a href="/ja/docs/Web/CSS/orphans">orphans</a></li><li class="toggle"><details><summary>outline-*</summary><ol><li><a href="/ja/docs/Web/CSS/outline">outline</a></li><li><a href="/ja/docs/Web/CSS/outline-color">outline-color</a></li><li><a href="/ja/docs/Web/CSS/outline-offset">outline-offset</a></li><li><a href="/ja/docs/Web/CSS/outline-style">outline-style</a></li><li><a href="/ja/docs/Web/CSS/outline-width">outline-width</a></li></ol></details></li><li class="toggle"><details><summary>overflow-*</summary><ol><li><a href="/ja/docs/Web/CSS/overflow">overflow</a></li><li><a href="/ja/docs/Web/CSS/overflow-anchor">overflow-anchor</a></li><li><a href="/ja/docs/Web/CSS/overflow-block">overflow-block</a></li><li><a href="/ja/docs/Web/CSS/overflow-clip-margin">overflow-clip-margin</a></li><li><a href="/ja/docs/Web/CSS/overflow-inline">overflow-inline</a></li><li><a href="/ja/docs/Web/CSS/overflow-wrap">overflow-wrap</a></li><li><a href="/ja/docs/Web/CSS/overflow-x">overflow-x</a></li><li><a href="/ja/docs/Web/CSS/overflow-y">overflow-y</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/overlay">overlay</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li class="toggle"><details><summary>overscroll-*</summary><ol><li><a href="/ja/docs/Web/CSS/overscroll-behavior">overscroll-behavior</a></li><li><a href="/ja/docs/Web/CSS/overscroll-behavior-block">overscroll-behavior-block</a></li><li><a href="/ja/docs/Web/CSS/overscroll-behavior-inline">overscroll-behavior-inline</a></li><li><a href="/ja/docs/Web/CSS/overscroll-behavior-x">overscroll-behavior-x</a></li><li><a href="/ja/docs/Web/CSS/overscroll-behavior-y">overscroll-behavior-y</a></li></ol></details></li><li class="toggle"><details><summary>padding-*</summary><ol><li><a href="/ja/docs/Web/CSS/padding">padding</a></li><li><a href="/ja/docs/Web/CSS/padding-block">padding-block</a></li><li><a href="/ja/docs/Web/CSS/padding-block-end">padding-block-end</a></li><li><a href="/ja/docs/Web/CSS/padding-block-start">padding-block-start</a></li><li><a href="/ja/docs/Web/CSS/padding-bottom">padding-bottom</a></li><li><a href="/ja/docs/Web/CSS/padding-inline">padding-inline</a></li><li><a href="/ja/docs/Web/CSS/padding-inline-end">padding-inline-end</a></li><li><a href="/ja/docs/Web/CSS/padding-inline-start">padding-inline-start</a></li><li><a href="/ja/docs/Web/CSS/padding-left">padding-left</a></li><li><a href="/ja/docs/Web/CSS/padding-right">padding-right</a></li><li><a href="/ja/docs/Web/CSS/padding-top">padding-top</a></li></ol></details></li><li class="toggle"><details><summary>page-*</summary><ol><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/page">page</a></li><li><a href="/ja/docs/Web/CSS/page-break-after">page-break-after</a></li><li><a href="/ja/docs/Web/CSS/page-break-before">page-break-before</a></li><li><a href="/ja/docs/Web/CSS/page-break-inside">page-break-inside</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/paint-order">paint-order</a></li><li><a href="/ja/docs/Web/CSS/perspective">perspective</a></li><li><a href="/ja/docs/Web/CSS/perspective-origin">perspective-origin</a></li><li class="toggle"><details><summary>place-*</summary><ol><li><a href="/ja/docs/Web/CSS/place-content">place-content</a></li><li><a href="/ja/docs/Web/CSS/place-items">place-items</a></li><li><a href="/ja/docs/Web/CSS/place-self">place-self</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/pointer-events">pointer-events</a></li><li class="toggle"><details><summary>position-*</summary><ol><li><a href="/ja/docs/Web/CSS/position">position</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/position-anchor">position-anchor</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/position-area">position-area</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/position-try">position-try</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/position-try-fallbacks">position-try-fallbacks</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/position-try-order">position-try-order</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/position-visibility">position-visibility</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li></ol></details></li><li><a href="/ja/docs/Web/CSS/print-color-adjust">print-color-adjust</a></li><li><a href="/ja/docs/Web/CSS/quotes">quotes</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/r">r</a></li><li><a href="/ja/docs/Web/CSS/resize">resize</a></li><li><a href="/ja/docs/Web/CSS/right">right</a></li><li><a href="/ja/docs/Web/CSS/rotate">rotate</a></li><li><a href="/ja/docs/Web/CSS/row-gap">row-gap</a></li><li><a href="/ja/docs/Web/CSS/ruby-align">ruby-align</a></li><li><a href="/ja/docs/Web/CSS/ruby-position">ruby-position</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/rx">rx</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/ry">ry</a></li><li><a href="/ja/docs/Web/CSS/scale">scale</a></li><li class="toggle"><details><summary>scroll-*</summary><ol><li><a href="/ja/docs/Web/CSS/scroll-behavior">scroll-behavior</a></li><li><a href="/ja/docs/Web/CSS/scroll-margin">scroll-margin</a></li><li><a href="/ja/docs/Web/CSS/scroll-margin-block">scroll-margin-block</a></li><li><a href="/ja/docs/Web/CSS/scroll-margin-block-end">scroll-margin-block-end</a></li><li><a href="/ja/docs/Web/CSS/scroll-margin-block-start">scroll-margin-block-start</a></li><li><a href="/ja/docs/Web/CSS/scroll-margin-bottom">scroll-margin-bottom</a></li><li><a href="/ja/docs/Web/CSS/scroll-margin-inline">scroll-margin-inline</a></li><li><a href="/ja/docs/Web/CSS/scroll-margin-inline-end">scroll-margin-inline-end</a></li><li><a href="/ja/docs/Web/CSS/scroll-margin-inline-start">scroll-margin-inline-start</a></li><li><a href="/ja/docs/Web/CSS/scroll-margin-left">scroll-margin-left</a></li><li><a href="/ja/docs/Web/CSS/scroll-margin-right">scroll-margin-right</a></li><li><a href="/ja/docs/Web/CSS/scroll-margin-top">scroll-margin-top</a></li><li><a href="/ja/docs/Web/CSS/scroll-padding">scroll-padding</a></li><li><a href="/ja/docs/Web/CSS/scroll-padding-block">scroll-padding-block</a></li><li><a href="/ja/docs/Web/CSS/scroll-padding-block-end">scroll-padding-block-end</a></li><li><a href="/ja/docs/Web/CSS/scroll-padding-block-start">scroll-padding-block-start</a></li><li><a href="/ja/docs/Web/CSS/scroll-padding-bottom">scroll-padding-bottom</a></li><li><a href="/ja/docs/Web/CSS/scroll-padding-inline">scroll-padding-inline</a></li><li><a href="/ja/docs/Web/CSS/scroll-padding-inline-end">scroll-padding-inline-end</a></li><li><a href="/ja/docs/Web/CSS/scroll-padding-inline-start">scroll-padding-inline-start</a></li><li><a href="/ja/docs/Web/CSS/scroll-padding-left">scroll-padding-left</a></li><li><a href="/ja/docs/Web/CSS/scroll-padding-right">scroll-padding-right</a></li><li><a href="/ja/docs/Web/CSS/scroll-padding-top">scroll-padding-top</a></li><li><a href="/ja/docs/Web/CSS/scroll-snap-align">scroll-snap-align</a></li><li><a href="/ja/docs/Web/CSS/scroll-snap-stop">scroll-snap-stop</a></li><li><a href="/ja/docs/Web/CSS/scroll-snap-type">scroll-snap-type</a></li><li><a href="/ja/docs/Web/CSS/scroll-timeline">scroll-timeline</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/scroll-timeline-axis">scroll-timeline-axis</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/scroll-timeline-name">scroll-timeline-name</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li></ol></details></li><li class="toggle"><details><summary>scrollbar-*</summary><ol><li><a href="/ja/docs/Web/CSS/scrollbar-color">scrollbar-color</a></li><li><a href="/ja/docs/Web/CSS/scrollbar-gutter">scrollbar-gutter</a></li><li><a href="/ja/docs/Web/CSS/scrollbar-width">scrollbar-width</a></li></ol></details></li><li class="toggle"><details><summary>shape-*</summary><ol><li><a href="/ja/docs/Web/CSS/shape-image-threshold">shape-image-threshold</a></li><li><a href="/ja/docs/Web/CSS/shape-margin">shape-margin</a></li><li><a href="/ja/docs/Web/CSS/shape-outside">shape-outside</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/shape-rendering">shape-rendering</a></li></ol></details></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/stop-color">stop-color</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/stop-opacity">stop-opacity</a></li><li class="toggle"><details><summary>stroke-*</summary><ol><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/stroke">stroke</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/stroke-dasharray">stroke-dasharray</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/stroke-dashoffset">stroke-dashoffset</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/stroke-linecap">stroke-linecap</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/stroke-linejoin">stroke-linejoin</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/stroke-miterlimit">stroke-miterlimit</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/stroke-opacity">stroke-opacity</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/stroke-width">stroke-width</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/tab-size">tab-size</a></li><li><a href="/ja/docs/Web/CSS/table-layout">table-layout</a></li><li class="toggle"><details><summary>text-*</summary><ol><li><a href="/ja/docs/Web/CSS/text-align">text-align</a></li><li><a href="/ja/docs/Web/CSS/text-align-last">text-align-last</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/text-anchor">text-anchor</a></li><li><a href="/ja/docs/Web/CSS/text-combine-upright">text-combine-upright</a></li><li><a href="/ja/docs/Web/CSS/text-decoration">text-decoration</a></li><li><a href="/ja/docs/Web/CSS/text-decoration-color">text-decoration-color</a></li><li><a href="/ja/docs/Web/CSS/text-decoration-line">text-decoration-line</a></li><li><a href="/ja/docs/Web/CSS/text-decoration-skip">text-decoration-skip</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/text-decoration-skip-ink">text-decoration-skip-ink</a></li><li><a href="/ja/docs/Web/CSS/text-decoration-style">text-decoration-style</a></li><li><a href="/ja/docs/Web/CSS/text-decoration-thickness">text-decoration-thickness</a></li><li><a href="/ja/docs/Web/CSS/text-emphasis">text-emphasis</a></li><li><a href="/ja/docs/Web/CSS/text-emphasis-color">text-emphasis-color</a></li><li><a href="/ja/docs/Web/CSS/text-emphasis-position">text-emphasis-position</a></li><li><a href="/ja/docs/Web/CSS/text-emphasis-style">text-emphasis-style</a></li><li><a href="/ja/docs/Web/CSS/text-indent">text-indent</a></li><li><a href="/ja/docs/Web/CSS/text-justify">text-justify</a></li><li><a href="/ja/docs/Web/CSS/text-orientation">text-orientation</a></li><li><a href="/ja/docs/Web/CSS/text-overflow">text-overflow</a></li><li><a href="/ja/docs/Web/CSS/text-rendering">text-rendering</a></li><li><a href="/ja/docs/Web/CSS/text-shadow">text-shadow</a></li><li><a href="/ja/docs/Web/CSS/text-size-adjust">text-size-adjust</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/text-spacing-trim">text-spacing-trim</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/text-transform">text-transform</a></li><li><a href="/ja/docs/Web/CSS/text-underline-offset">text-underline-offset</a></li><li><a href="/ja/docs/Web/CSS/text-underline-position">text-underline-position</a></li><li><a href="/ja/docs/Web/CSS/text-wrap">text-wrap</a></li><li><a href="/ja/docs/Web/CSS/text-wrap-mode">text-wrap-mode</a></li><li><a href="/ja/docs/Web/CSS/text-wrap-style">text-wrap-style</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/timeline-scope">timeline-scope</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/top">top</a></li><li><a href="/ja/docs/Web/CSS/touch-action">touch-action</a></li><li class="toggle"><details><summary>transform-*</summary><ol><li><a href="/ja/docs/Web/CSS/transform">transform</a></li><li><a href="/ja/docs/Web/CSS/transform-box">transform-box</a></li><li><a href="/ja/docs/Web/CSS/transform-origin">transform-origin</a></li><li><a href="/ja/docs/Web/CSS/transform-style">transform-style</a></li></ol></details></li><li class="toggle"><details><summary>transition-*</summary><ol><li><a href="/ja/docs/Web/CSS/transition">transition</a></li><li><a href="/ja/docs/Web/CSS/transition-behavior">transition-behavior</a></li><li><a href="/ja/docs/Web/CSS/transition-delay">transition-delay</a></li><li><a href="/ja/docs/Web/CSS/transition-duration">transition-duration</a></li><li><a href="/ja/docs/Web/CSS/transition-property">transition-property</a></li><li><a href="/ja/docs/Web/CSS/transition-timing-function">transition-timing-function</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/translate">translate</a></li><li><a href="/ja/docs/Web/CSS/unicode-bidi">unicode-bidi</a></li><li><a href="/ja/docs/Web/CSS/user-modify">user-modify</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/user-select">user-select</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/vector-effect">vector-effect</a></li><li><a href="/ja/docs/Web/CSS/vertical-align">vertical-align</a></li><li class="toggle"><details><summary>view-*</summary><ol><li><a href="/ja/docs/Web/CSS/view-timeline">view-timeline</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/view-timeline-axis">view-timeline-axis</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/view-timeline-inset">view-timeline-inset</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/view-timeline-name">view-timeline-name</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/view-transition-name">view-transition-name</a></li></ol></details></li><li><a href="/ja/docs/Web/CSS/visibility">visibility</a></li><li><a href="/ja/docs/Web/CSS/white-space">white-space</a></li><li><a href="/ja/docs/Web/CSS/white-space-collapse">white-space-collapse</a></li><li><a href="/ja/docs/Web/CSS/widows">widows</a></li><li><a href="/ja/docs/Web/CSS/width">width</a></li><li><a href="/ja/docs/Web/CSS/will-change">will-change</a></li><li><a href="/ja/docs/Web/CSS/word-break">word-break</a></li><li><a href="/ja/docs/Web/CSS/word-spacing">word-spacing</a></li><li><a href="/ja/docs/Web/CSS/writing-mode">writing-mode</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/x">x</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/y">y</a></li><li><a href="/ja/docs/Web/CSS/z-index">z-index</a></li><li><a href="/ja/docs/Web/CSS/zoom">zoom</a></li></ol></details></li> <li class="toggle"><details><summary>Selectors</summary><ol><li><a href="/ja/docs/Web/CSS/Attribute_selectors">属性セレクター</a></li><li><a href="/ja/docs/Web/CSS/Class_selectors">クラスセレクター</a></li><li><a href="/ja/docs/Web/CSS/ID_selectors">ID セレクター</a></li><li><a href="/ja/docs/Web/CSS/Nesting_selector">& 入れ子セレクター</a></li><li><a href="/ja/docs/Web/CSS/Type_selectors">要素型セレクター</a></li><li><a href="/ja/docs/Web/CSS/Universal_selectors">全称セレクター</a></li></ol></details></li> <li class="toggle"><details><summary>Combinators</summary><ol><li><a href="/ja/docs/Web/CSS/Child_combinator">子結合子</a></li><li><a href="/ja/docs/Web/CSS/Column_combinator">列結合子</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/Descendant_combinator">子孫結合子</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/Namespace_separator">Namespace separator</a></li><li><a href="/ja/docs/Web/CSS/Next-sibling_combinator">次兄弟結合子</a></li><li><a href="/ja/docs/Web/CSS/Selector_list">セレクターリスト</a></li><li><a href="/ja/docs/Web/CSS/Subsequent-sibling_combinator">後続兄弟結合子</a></li></ol></details></li> <li class="toggle"><details><summary>Pseudo-classes</summary><ol><li><a href="/ja/docs/Web/CSS/:-moz-broken">:-moz-broken</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/:-moz-drag-over">:-moz-drag-over</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/:-moz-first-node">:-moz-first-node</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:-moz-handler-blocked">:-moz-handler-blocked</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:-moz-handler-crashed">:-moz-handler-crashed</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:-moz-handler-disabled">:-moz-handler-disabled</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/:-moz-last-node">:-moz-last-node</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/:-moz-loading">:-moz-loading</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/:-moz-locale-dir_ltr">:-moz-locale-dir(ltr)</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/:-moz-locale-dir_rtl">:-moz-locale-dir(rtl)</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/:-moz-only-whitespace">:-moz-only-whitespace</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/:-moz-submit-invalid">:-moz-submit-invalid</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:-moz-suppressed">:-moz-suppressed</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:-moz-user-disabled">:-moz-user-disabled</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:-moz-window-inactive">:-moz-window-inactive</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/:active">:active</a></li><li><a href="/ja/docs/Web/CSS/:any-link">:any-link</a></li><li><a href="/ja/docs/Web/CSS/:autofill">:autofill</a></li><li><a href="/ja/docs/Web/CSS/:blank">:blank</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:buffering">:buffering</a></li><li><a href="/ja/docs/Web/CSS/:checked">:checked</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:current">:current</a></li><li><a href="/ja/docs/Web/CSS/:default">:default</a></li><li><a href="/ja/docs/Web/CSS/:defined">:defined</a></li><li><a href="/ja/docs/Web/CSS/:dir">:dir()</a></li><li><a href="/ja/docs/Web/CSS/:disabled">:disabled</a></li><li><a href="/ja/docs/Web/CSS/:empty">:empty</a></li><li><a href="/ja/docs/Web/CSS/:enabled">:enabled</a></li><li><a href="/ja/docs/Web/CSS/:first">:first</a></li><li><a href="/ja/docs/Web/CSS/:first-child">:first-child</a></li><li><a href="/ja/docs/Web/CSS/:first-of-type">:first-of-type</a></li><li><a href="/ja/docs/Web/CSS/:focus">:focus</a></li><li><a href="/ja/docs/Web/CSS/:focus-visible">:focus-visible</a></li><li><a href="/ja/docs/Web/CSS/:focus-within">:focus-within</a></li><li><a href="/ja/docs/Web/CSS/:fullscreen">:fullscreen</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:future">:future</a></li><li><a href="/ja/docs/Web/CSS/:has">:has()</a></li><li><a href="/ja/docs/Web/CSS/:host">:host</a></li><li><a href="/ja/docs/Web/CSS/:host-context">:host-context()</a></li><li><a href="/ja/docs/Web/CSS/:host_function">:host()</a></li><li><a href="/ja/docs/Web/CSS/:hover">:hover</a></li><li><a href="/ja/docs/Web/CSS/:in-range">:in-range</a></li><li><a href="/ja/docs/Web/CSS/:indeterminate">:indeterminate</a></li><li><a href="/ja/docs/Web/CSS/:invalid">:invalid</a></li><li><a href="/ja/docs/Web/CSS/:is">:is()</a></li><li><a href="/ja/docs/Web/CSS/:lang">:lang()</a></li><li><a href="/ja/docs/Web/CSS/:last-child">:last-child</a></li><li><a href="/ja/docs/Web/CSS/:last-of-type">:last-of-type</a></li><li><a href="/ja/docs/Web/CSS/:left">:left</a></li><li><a href="/ja/docs/Web/CSS/:link">:link</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:local-link">:local-link</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:modal">:modal</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:muted">:muted</a></li><li><a href="/ja/docs/Web/CSS/:not">:not()</a></li><li><a href="/ja/docs/Web/CSS/:nth-child">:nth-child()</a></li><li><a href="/ja/docs/Web/CSS/:nth-last-child">:nth-last-child()</a></li><li><a href="/ja/docs/Web/CSS/:nth-last-of-type">:nth-last-of-type()</a></li><li><a href="/ja/docs/Web/CSS/:nth-of-type">:nth-of-type()</a></li><li><a href="/ja/docs/Web/CSS/:only-child">:only-child</a></li><li><a href="/ja/docs/Web/CSS/:only-of-type">:only-of-type</a></li><li><a href="/ja/docs/Web/CSS/:optional">:optional</a></li><li><a href="/ja/docs/Web/CSS/:out-of-range">:out-of-range</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:past">:past</a></li><li><a href="/ja/docs/Web/CSS/:paused">:paused</a></li><li><a href="/ja/docs/Web/CSS/:picture-in-picture">:picture-in-picture</a></li><li><a href="/ja/docs/Web/CSS/:placeholder-shown">:placeholder-shown</a></li><li><a href="/ja/docs/Web/CSS/:playing">:playing</a></li><li><a href="/ja/docs/Web/CSS/:popover-open">:popover-open</a></li><li><a href="/ja/docs/Web/CSS/:read-only">:read-only</a></li><li><a href="/ja/docs/Web/CSS/:read-write">:read-write</a></li><li><a href="/ja/docs/Web/CSS/:required">:required</a></li><li><a href="/ja/docs/Web/CSS/:right">:right</a></li><li><a href="/ja/docs/Web/CSS/:root">:root</a></li><li><a href="/ja/docs/Web/CSS/:scope">:scope</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:seeking">:seeking</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:stalled">:stalled</a></li><li><a href="/ja/docs/Web/CSS/:state">:state()</a></li><li><a href="/ja/docs/Web/CSS/:target">:target</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:target-within">:target-within</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/:user-invalid">:user-invalid (:-moz-ui-invalid)</a></li><li><a href="/ja/docs/Web/CSS/:user-valid">:user-valid (:-moz-ui-valid)</a></li><li><a href="/ja/docs/Web/CSS/:valid">:valid</a></li><li><a href="/ja/docs/Web/CSS/:visited">:visited</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/:volume-locked">:volume-locked</a></li><li><a href="/ja/docs/Web/CSS/:where">:where()</a></li></ol></details></li> <li class="toggle"><details><summary>Pseudo-elements</summary><ol><li><a href="/ja/docs/Web/CSS/::-moz-color-swatch">::-moz-color-swatch</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-moz-focus-inner">::-moz-focus-inner</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/::-moz-list-bullet">::-moz-list-bullet</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-moz-list-number">::-moz-list-number</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-moz-meter-bar">::-moz-meter-bar</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/::-moz-progress-bar">::-moz-progress-bar</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-moz-range-progress">::-moz-range-progress</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-moz-range-thumb">::-moz-range-thumb</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/::-moz-range-track">::-moz-range-track</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-webkit-inner-spin-button">::-webkit-inner-spin-button</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-webkit-meter-bar">::-webkit-meter-bar</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-webkit-meter-even-less-good-value">::-webkit-meter-even-less-good-value</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-webkit-meter-inner-element">::-webkit-meter-inner-element</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-webkit-meter-optimum-value">::-webkit-meter-optimum-value</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-webkit-meter-suboptimum-value">::-webkit-meter-suboptimum-value</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-webkit-progress-bar">::-webkit-progress-bar</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-webkit-progress-inner-element">::-webkit-progress-inner-element</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/::-webkit-progress-value">::-webkit-progress-value</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/::-webkit-scrollbar">::-webkit-scrollbar</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-webkit-search-cancel-button">::-webkit-search-cancel-button</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::-webkit-search-results-button">::-webkit-search-results-button</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/CSS/::-webkit-slider-runnable-track">::-webkit-slider-runnable-track</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/::-webkit-slider-thumb">::-webkit-slider-thumb</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/::after">::after (:after)</a></li><li><a href="/ja/docs/Web/CSS/::backdrop">::backdrop</a></li><li><a href="/ja/docs/Web/CSS/::before">::before (:before)</a></li><li><a href="/ja/docs/Web/CSS/::cue">::cue</a></li><li><a href="/ja/docs/Web/CSS/::file-selector-button">::file-selector-button</a></li><li><a href="/ja/docs/Web/CSS/::first-letter">::first-letter</a></li><li><a href="/ja/docs/Web/CSS/::first-line">::first-line (:first-line)</a></li><li><a href="/ja/docs/Web/CSS/::grammar-error">::grammar-error</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/::highlight">::highlight()</a></li><li><a href="/ja/docs/Web/CSS/::marker">::marker</a></li><li><a href="/ja/docs/Web/CSS/::part">::part()</a></li><li><a href="/ja/docs/Web/CSS/::placeholder">::placeholder</a></li><li><a href="/ja/docs/Web/CSS/::selection">::selection</a></li><li><a href="/ja/docs/Web/CSS/::slotted">::slotted()</a></li><li><a href="/ja/docs/Web/CSS/::spelling-error">::spelling-error</a></li><li><a href="/ja/docs/Web/CSS/::target-text">::target-text</a></li><li><a href="/ja/docs/Web/CSS/::view-transition">::view-transition</a></li><li><a href="/ja/docs/Web/CSS/::view-transition-group">::view-transition-group</a></li><li><a href="/ja/docs/Web/CSS/::view-transition-image-pair">::view-transition-image-pair</a></li><li><a href="/ja/docs/Web/CSS/::view-transition-new">::view-transition-new</a></li><li><a href="/ja/docs/Web/CSS/::view-transition-old">::view-transition-old</a></li></ol></details></li> <li class="toggle"><details><summary>At-rules</summary><ol><li><a href="/ja/docs/Web/CSS/@charset">@charset</a></li><li><a href="/ja/docs/Web/CSS/@color-profile">@color-profile</a></li><li><a href="/ja/docs/Web/CSS/@container">@container</a></li><li><a href="/ja/docs/Web/CSS/@counter-style">@counter-style</a></li><li><a href="/ja/docs/Web/CSS/@document">@document</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/@font-face">@font-face</a></li><li><a href="/ja/docs/Web/CSS/@font-feature-values">@font-feature-values</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/@font-palette-values">@font-palette-values</a></li><li><a href="/ja/docs/Web/CSS/@import">@import</a></li><li><a href="/ja/docs/Web/CSS/@keyframes">@keyframes</a></li><li><a href="/ja/docs/Web/CSS/@layer">@layer</a></li><li><a href="/ja/docs/Web/CSS/@media">@media</a></li><li><a href="/ja/docs/Web/CSS/@namespace">@namespace</a></li><li><a href="/ja/docs/Web/CSS/@page">@page</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/@position-try">@position-try</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/@property">@property</a></li><li><a href="/ja/docs/Web/CSS/@scope">@scope</a></li><li><a href="/ja/docs/Web/CSS/@starting-style">@starting-style</a></li><li><a href="/ja/docs/Web/CSS/@supports">@supports</a></li><li><a href="/ja/docs/Web/CSS/@view-transition">@view-transition</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li></ol></details></li> <li class="toggle"><details><summary>Functions</summary><ol><li><a href="/ja/docs/Web/CSS/-moz-image-rect">-moz-image-rect</a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/abs">abs()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/acos">acos()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/anchor-size">anchor-size()</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/anchor">anchor()</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/asin">asin()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/atan">atan()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/atan2">atan2()</a></li><li><a href="/ja/docs/Web/CSS/attr">attr()</a></li><li><a href="/ja/docs/Web/CSS/filter-function/blur">blur()</a></li><li><a href="/ja/docs/Web/CSS/filter-function/brightness">brightness()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/calc-size">calc-size()</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/calc">calc()</a></li><li><a href="/ja/docs/Web/CSS/basic-shape/circle">circle()</a></li><li><a href="/ja/docs/Web/CSS/clamp">clamp()</a></li><li><a href="/ja/docs/Web/CSS/color_value/color-contrast">color-contrast()</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/color_value/color-mix">color-mix()</a></li><li><a href="/ja/docs/Web/CSS/color_value/color">color()</a></li><li><a href="/ja/docs/Web/CSS/gradient/conic-gradient">conic-gradient()</a></li><li><a href="/ja/docs/Web/CSS/filter-function/contrast">contrast()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/cos">cos()</a></li><li><a href="/ja/docs/Web/CSS/counter">counter()</a></li><li><a href="/ja/docs/Web/CSS/counters">counters()</a></li><li><a href="/ja/docs/Web/CSS/cross-fade">cross-fade()</a></li><li><a href="/ja/docs/Web/CSS/color_value/device-cmyk">device-cmyk()</a></li><li><a href="/ja/docs/Web/CSS/filter-function/drop-shadow">drop-shadow()</a></li><li><a href="/ja/docs/Web/CSS/element">element()</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/basic-shape/ellipse">ellipse()</a></li><li><a href="/ja/docs/Web/CSS/env">env()</a></li><li><a href="/ja/docs/Web/CSS/exp">exp()</a></li><li><a href="/ja/docs/Web/CSS/fit-content_function">fit-content()</a></li><li><a href="/ja/docs/Web/CSS/filter-function/grayscale">grayscale()</a></li><li><a href="/ja/docs/Web/CSS/color_value/hsl">hsl()</a></li><li><a href="/ja/docs/Web/CSS/filter-function/hue-rotate">hue-rotate()</a></li><li><a href="/ja/docs/Web/CSS/color_value/hwb">hwb()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/hypot">hypot()</a></li><li><a href="/ja/docs/Web/CSS/image/image-set">image-set()</a></li><li><a href="/ja/docs/Web/CSS/image/image">image()</a></li><li><a href="/ja/docs/Web/CSS/basic-shape/inset">inset()</a></li><li><a href="/ja/docs/Web/CSS/filter-function/invert">invert()</a></li><li><a href="/ja/docs/Web/CSS/color_value/lab">lab()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/@import/layer_function">layer()</a></li><li><a href="/ja/docs/Web/CSS/color_value/lch">lch()</a></li><li><a href="/ja/docs/Web/CSS/color_value/light-dark">light-dark()</a></li><li><a href="/ja/docs/Web/CSS/gradient/linear-gradient">linear-gradient()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/log">log()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/matrix">matrix()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/matrix3d">matrix3d()</a></li><li><a href="/ja/docs/Web/CSS/max">max()</a></li><li><a href="/ja/docs/Web/CSS/min">min()</a></li><li><a href="/ja/docs/Web/CSS/minmax">minmax()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/mod">mod()</a></li><li><a href="/ja/docs/Web/CSS/color_value/oklab">oklab()</a></li><li><a href="/ja/docs/Web/CSS/color_value/oklch">oklch()</a></li><li><a href="/ja/docs/Web/CSS/filter-function/opacity">opacity()</a></li><li><a href="/ja/docs/Web/CSS/image/paint">paint()</a></li><li><a href="/ja/docs/Web/CSS/font-palette/palette-mix">palette-mix()</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/basic-shape/path">path()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/perspective">perspective()</a></li><li><a href="/ja/docs/Web/CSS/basic-shape/polygon">polygon()</a></li><li><a href="/ja/docs/Web/CSS/pow">pow()</a></li><li><a href="/ja/docs/Web/CSS/gradient/radial-gradient">radial-gradient()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/ray">ray()</a></li><li><a href="/ja/docs/Web/CSS/basic-shape/rect">rect()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/rem">rem()</a></li><li><a href="/ja/docs/Web/CSS/repeat">repeat()</a></li><li><a href="/ja/docs/Web/CSS/gradient/repeating-conic-gradient">repeating-conic-gradient()</a></li><li><a href="/ja/docs/Web/CSS/gradient/repeating-linear-gradient">repeating-linear-gradient()</a></li><li><a href="/ja/docs/Web/CSS/gradient/repeating-radial-gradient">repeating-radial-gradient()</a></li><li><a href="/ja/docs/Web/CSS/color_value/rgb">rgb()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/rotate">rotate()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/rotate3d">rotate3d()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/rotateX">rotateX()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/rotateY">rotateY()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/rotateZ">rotateZ()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/round">round()</a></li><li><a href="/ja/docs/Web/CSS/filter-function/saturate">saturate()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/scale">scale()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/scale3d">scale3d()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/scaleX">scaleX()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/scaleY">scaleY()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/scaleZ">scaleZ()</a></li><li><a href="/ja/docs/Web/CSS/animation-timeline/scroll">scroll()</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/filter-function/sepia">sepia()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/basic-shape/shape">shape()</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/sign">sign()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/sin">sin()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/skew">skew()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/skewX">skewX()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/skewY">skewY()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/sqrt">sqrt()</a></li><li><a href="/ja/docs/Web/CSS/symbols">symbols()</a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/tan">tan()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/translate">translate()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/translate3d">translate3d()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/translateX">translateX()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/translateY">translateY()</a></li><li><a href="/ja/docs/Web/CSS/transform-function/translateZ">translateZ()</a></li><li><a href="/ja/docs/Web/CSS/url_function">url()</a></li><li><a href="/ja/docs/Web/CSS/var">var()</a></li><li><a href="/ja/docs/Web/CSS/animation-timeline/view">view()</a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/CSS/basic-shape/xywh">xywh()</a></li></ol></details></li> <li class="toggle"><details><summary>Types</summary><ol><li><a href="/ja/docs/Web/CSS/absolute-size"><absolute-size></a></li><li><a href="/ja/docs/Web/CSS/alpha-value"><alpha-value></a></li><li><a href="/ja/docs/Web/CSS/angle"><angle></a></li><li><a href="/ja/docs/Web/CSS/angle-percentage"><angle-percentage></a></li><li><a href="/ja/docs/Web/CSS/basic-shape"><basic-shape></a></li><li><a href="/ja/docs/Web/CSS/blend-mode"><blend-mode></a></li><li><a href="/ja/docs/Web/CSS/box-edge"><box-edge></a></li><li><a href="/ja/docs/Web/CSS/calc-keyword"><calc-keyword></a></li><li><a href="/ja/docs/Web/CSS/calc-sum"><calc-sum></a></li><li><a href="/ja/docs/Web/CSS/color-interpolation-method"><color-interpolation-method></a></li><li><a href="/ja/docs/Web/CSS/color_value"><color></a></li><li><a href="/ja/docs/Web/CSS/custom-ident"><custom-ident></a></li><li><a href="/ja/docs/Web/CSS/dashed-ident"><dashed-ident></a></li><li><a href="/ja/docs/Web/CSS/dimension"><dimension></a></li><li><a href="/ja/docs/Web/CSS/display-box"><display-box></a></li><li><a href="/ja/docs/Web/CSS/display-inside"><display-inside></a></li><li><a href="/ja/docs/Web/CSS/display-internal"><display-internal></a></li><li><a href="/ja/docs/Web/CSS/display-legacy"><display-legacy></a></li><li><a href="/ja/docs/Web/CSS/display-listitem"><display-listitem></a></li><li><a href="/ja/docs/Web/CSS/display-outside"><display-outside></a></li><li><a href="/ja/docs/Web/CSS/easing-function"><easing-function></a></li><li><a href="/ja/docs/Web/CSS/filter-function"><filter-function></a></li><li><a href="/ja/docs/Web/CSS/flex_value"><flex></a></li><li><a href="/ja/docs/Web/CSS/frequency"><frequency></a></li><li><a href="/ja/docs/Web/CSS/frequency-percentage"><frequency-percentage></a></li><li><a href="/ja/docs/Web/CSS/generic-family"><generic-family></a></li><li><a href="/ja/docs/Web/CSS/gradient"><gradient></a></li><li><a href="/ja/docs/Web/CSS/hex-color"><hex-color></a></li><li><a href="/ja/docs/Web/CSS/hue"><hue></a></li><li><a href="/ja/docs/Web/CSS/hue-interpolation-method"><hue-interpolation-method></a></li><li><a href="/ja/docs/Web/CSS/ident"><ident></a></li><li><a href="/ja/docs/Web/CSS/image"><image></a></li><li><a href="/ja/docs/Web/CSS/integer"><integer></a></li><li><a href="/ja/docs/Web/CSS/length"><length></a></li><li><a href="/ja/docs/Web/CSS/length-percentage"><length-percentage></a></li><li><a href="/ja/docs/Web/CSS/line-style"><line-style></a></li><li><a href="/ja/docs/Web/CSS/named-color"><named-color></a></li><li><a href="/ja/docs/Web/CSS/number"><number></a></li><li><a href="/ja/docs/Web/CSS/overflow_value"><overflow></a></li><li><a href="/ja/docs/Web/CSS/percentage"><percentage></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/position-area_value"><position-area></a></li><li><a href="/ja/docs/Web/CSS/position_value"><position></a></li><li><a href="/ja/docs/Web/CSS/ratio"><ratio></a></li><li><a href="/ja/docs/Web/CSS/relative-size"><relative-size></a></li><li><a href="/ja/docs/Web/CSS/resolution"><resolution></a></li><li><a href="/ja/docs/Web/CSS/shape"><shape></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/CSS/string"><string></a></li><li><a href="/ja/docs/Web/CSS/system-color"><system-color></a></li><li><a href="/ja/docs/Web/CSS/time"><time></a></li><li><a href="/ja/docs/Web/CSS/time-percentage"><time-percentage></a></li><li><a href="/ja/docs/Web/CSS/transform-function"><transform-function></a></li><li><a href="/ja/docs/Web/CSS/url_value"><url></a></li></ol></details></li> <li class="section no-link">Guides</li> <li class="toggle"> <details> <summary>Animations</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_animations/Using_CSS_animations">Using CSS animations</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Backgrounds and Borders</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_backgrounds_and_borders/Using_multiple_backgrounds">Using multiple backgrounds</a></li> <li><a href="/ja/docs/Web/CSS/CSS_backgrounds_and_borders/Resizing_background_images">Resizing background images</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Box alignment</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_box_alignment/Box_alignment_in_block_abspos_tables">Box alignment in block layout</a></li> <li><a href="/ja/docs/Web/CSS/CSS_box_alignment/Box_alignment_in_flexbox">Box alignment in flexbox</a></li> <li><a href="/ja/docs/Web/CSS/CSS_box_alignment/Box_alignment_in_grid_layout">Box alignment in grid layout</a></li> <li><a href="/ja/docs/Web/CSS/CSS_box_alignment/Box_alignment_in_multi-column_layout">Box alignment in multi-column layout</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Box model</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_box_model/Introduction_to_the_CSS_box_model">Introduction to the CSS basic box model</a></li> <li><a href="/ja/docs/Web/CSS/CSS_box_model/Mastering_margin_collapsing">Mastering margin collapsing</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Colors</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_colors/Applying_color">Applying color to HTML elements</a></li> <li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/CSS_colors/Color_values">Color values</a></li> <li><a href="/ja/docs/Web/CSS/CSS_colors/Relative_colors">相対色の使用</a></li> <li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/CSS_colors/Using_color_wisely">Using color wisely</a></li> <li><a href="/ja/docs/Web/Accessibility/Understanding_Colors_and_Luminance">Accessibility: Understanding colors and luminance</a></li> <li><a href="/ja/docs/Web/Accessibility/Understanding_WCAG/Perceivable/Color_contrast">Accessibility: Color contrast</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Columns</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_multicol_layout/Basic_concepts">Basic concepts of Multicol</a></li> <li><a href="/ja/docs/Web/CSS/CSS_multicol_layout/Styling_columns">Styling columns</a></li> <li><a href="/ja/docs/Web/CSS/CSS_multicol_layout/Spanning_balancing_columns">Spanning and balancing</a></li> <li><a href="/ja/docs/Web/CSS/CSS_multicol_layout/Handling_overflow_in_multicol_layout">Handling overflow in Multicol</a></li> <li><a href="/ja/docs/Web/CSS/CSS_multicol_layout/Handling_content_breaks_in_multicol_layout">Content breaks in Multicol</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Conditional rules</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_conditional_rules/Using_feature_queries">Using feature queries</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Containment</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_containment/Using_CSS_containment">CSS 拘束の使用</a></li> <li><a href="/ja/docs/Web/CSS/CSS_containment/Container_queries">CSS コンテナークエリー</a></li> <li><a href="/ja/docs/Web/CSS/CSS_containment/Container_size_and_style_queries">コンテナーのサイズおよびスタイルクエリーの使用</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>CSSOM view</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSSOM_view/Coordinate_systems">Coordinate systems</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>フレックスボックス</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_flexible_box_layout/Basic_concepts_of_flexbox">Basic concepts of Flexbox</a></li> <li><a href="/ja/docs/Web/CSS/CSS_flexible_box_layout/Relationship_of_flexbox_to_other_layout_methods">Comparison with other layout methods</a></li> <li><a href="/ja/docs/Web/CSS/CSS_flexible_box_layout/Aligning_items_in_a_flex_container">Aligning items in a flex container</a></li> <li><a href="/ja/docs/Web/CSS/CSS_flexible_box_layout/Ordering_flex_items">Ordering flex items</a></li> <li><a href="/ja/docs/Web/CSS/CSS_flexible_box_layout/Controlling_ratios_of_flex_items_along_the_main_axis">Controlling flex item ratios</a></li> <li><a href="/ja/docs/Web/CSS/CSS_flexible_box_layout/Mastering_wrapping_of_flex_items">Mastering wrapping of flex items</a></li> <li><a href="/ja/docs/Web/CSS/CSS_flexible_box_layout/Typical_use_cases_of_flexbox">Typical use cases of Flexbox</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Flow layout</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_flow_layout/Block_and_inline_layout_in_normal_flow">Block and Inline layout in normal flow</a></li> <li><a href="/ja/docs/Web/CSS/CSS_flow_layout/In_flow_and_out_of_flow">In flow and Out of flow</a></li> <li><a href="/ja/docs/Web/CSS/CSS_flow_layout/Introduction_to_formatting_contexts">Formatting contexts explained</a></li> <li><a href="/ja/docs/Web/CSS/CSS_flow_layout/Flow_layout_and_writing_modes">Flow layout and writing modes</a></li> <li><a href="/ja/docs/Web/CSS/CSS_flow_layout/Flow_layout_and_overflow">Flow layout and overflow</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Fonts</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_fonts/OpenType_fonts_guide">OpenType font features guide</a></li> <li><a href="/ja/docs/Web/CSS/CSS_fonts/Variable_fonts_guide">Variable fonts guide</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Grid</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Basic_concepts_of_grid_layout">Basics concepts of grid layout</a></li> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Relationship_of_grid_layout_with_other_layout_methods">Relationship to other layout methods</a></li> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Grid_layout_using_line-based_placement">Line-based placement</a></li> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Grid_template_areas">Grid template areas</a></li> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Grid_layout_using_named_grid_lines">Layout using named grid lines</a></li> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Auto-placement_in_grid_layout">Auto-placement in grid layout</a></li> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Box_alignment_in_grid_layout">Box alignment in grid layout</a></li> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Grids_logical_values_and_writing_modes">Grids, logical values and writing modes</a></li> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Grid_layout_and_accessibility">Grid layout and accessibility</a></li> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Grid_layout_and_progressive_enhancement">Grid Layout and progressive enhancement</a></li> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Realizing_common_layouts_using_grids">Realizing common layouts using grids</a></li> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Subgrid">Subgrid</a></li> <li><a href="/ja/docs/Web/CSS/CSS_grid_layout/Masonry_layout">Masonry layout</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Images</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_images/Using_CSS_gradients">Using CSS gradients</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Lists and counters</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_counter_styles/Using_CSS_counters">Using CSS counters</a></li> <li><a href="/ja/docs/Web/CSS/CSS_lists/Consistent_list_indentation">Consistent list indentation</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Logical properties</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_logical_properties_and_values/Basic_concepts_of_logical_properties_and_values">Basic concepts</a></li> <li><a href="/ja/docs/Web/CSS/CSS_logical_properties_and_values/Floating_and_positioning">Floating and positioning</a></li> <li><a href="/ja/docs/Web/CSS/CSS_logical_properties_and_values/Margins_borders_padding">Margins, borders and padding</a></li> <li><a href="/ja/docs/Web/CSS/CSS_logical_properties_and_values/Sizing">Sizing</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Math functions</summary> <ol> <li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/CSS/CSS_Functions/Using_CSS_math_functions">Using CSS math functions</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Media queries</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_media_queries/Using_media_queries">Using media queries</a></li> <li><a href="/ja/docs/Web/CSS/CSS_media_queries/Using_media_queries_for_accessibility">Using media queries for accessibility</a></li> <li><a href="/ja/docs/Web/CSS/CSS_media_queries/Testing_media_queries">Testing media queries programmatically</a></li> <li><a href="/ja/docs/Web/CSS/CSS_media_queries/Printing">Printing</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Nesting style rules</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_nesting/Using_CSS_nesting">Using CSS nesting</a></li> <li><a href="/ja/docs/Web/CSS/CSS_nesting/Nesting_at-rules">Nesting at-rules</a></li> <li><a href="/ja/docs/Web/CSS/CSS_nesting/Nesting_and_specificity">Nesting and specificity</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>位置指定</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_positioned_layout/Understanding_z-index">Understanding CSS z-index</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Scroll snap</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_scroll_snap/Basic_concepts">Basic concepts of scroll snap</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Shapes</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_shapes/Overview_of_shapes">Overview of shapes</a></li> <li><a href="/ja/docs/Web/CSS/CSS_shapes/From_box_values">Shapes from box values</a></li> <li><a href="/ja/docs/Web/CSS/CSS_shapes/Basic_shapes">Basic shapes</a></li> <li><a href="/ja/docs/Web/CSS/CSS_shapes/Shapes_from_images">Shapes from images</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Text</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_text/Wrapping_breaking_text">Wrapping and breaking text</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Transforms</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_transforms/Using_CSS_transforms">Using transforms</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Transitions</summary> <ol> <li><a href="/ja/docs/Web/CSS/CSS_transitions/Using_CSS_transitions">Using transitions</a></li> </ol> </details> </li> <li class="section"><a href="/ja/docs/Web/CSS/Layout_cookbook">Layout cookbook</a></li> <li class="toggle"> <ol> <li><a href="/ja/docs/Web/CSS/Layout_cookbook/Media_objects">Media objects</a></li> <li><a href="/ja/docs/Web/CSS/Layout_cookbook/Column_layouts">Columns</a></li> <li><a href="/ja/docs/Web/CSS/Layout_cookbook/Center_an_element">Center an element</a></li> <li><a href="/ja/docs/Web/CSS/Layout_cookbook/Sticky_footers">Sticky footers</a></li> <li><a href="/ja/docs/Web/CSS/Layout_cookbook/Split_Navigation">Split navigation</a></li> <li><a href="/ja/docs/Web/CSS/Layout_cookbook/Breadcrumb_Navigation">Breadcrumb navigation</a></li> <li><a href="/ja/docs/Web/CSS/Layout_cookbook/List_group_with_badges">List group with badges</a></li> <li><a href="/ja/docs/Web/CSS/Layout_cookbook/Pagination">Pagination</a></li> <li><a href="/ja/docs/Web/CSS/Layout_cookbook/Card">Card</a></li> <li><a href="/ja/docs/Web/CSS/Layout_cookbook/Grid_wrapper">Grid wrapper</a></li> </ol> </li> <li class="section no-link">Tools</li> <li class="toggle"> <ol> <li><a href="/ja/docs/Web/CSS/CSS_colors/Color_picker_tool">Color picker</a></li> <li><a href="/ja/docs/Web/CSS/CSS_backgrounds_and_borders/Box-shadow_generator">Box shadow generator</a></li> <li><a href="/ja/docs/Web/CSS/CSS_backgrounds_and_borders/Border-image_generator">Border image generator</a></li> <li><a href="/ja/docs/Web/CSS/CSS_backgrounds_and_borders/Border-radius_generator">Border radius generator</a></li> </ol> </li> </ol> </div></div><section class="place side"></section></nav></aside><div class="toc-container"><aside class="toc"><nav><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">この記事では</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#試してみましょう">試してみましょう</a></li><li class="document-toc-item "><a class="document-toc-link" href="#構文">構文</a></li><li class="document-toc-item "><a class="document-toc-link" href="#アクセシビリティの考慮">アクセシビリティの考慮</a></li><li class="document-toc-item "><a class="document-toc-link" href="#公式定義">公式定義</a></li><li class="document-toc-item "><a class="document-toc-link" href="#形式文法">形式文法</a></li><li class="document-toc-item "><a class="document-toc-link" href="#例">例</a></li><li class="document-toc-item "><a class="document-toc-link" href="#仕様書">仕様書</a></li><li class="document-toc-item "><a class="document-toc-link" href="#ブラウザーの互換性">ブラウザーの互換性</a></li><li class="document-toc-item "><a class="document-toc-link" href="#関連情報">関連情報</a></li></ul></section></div></nav></aside><section class="place side"></section></div></div><main id="content" class="main-content "><article class="main-page-content" lang="ja"><header><h1>content</h1><details class="baseline-indicator high"><summary><span class="indicator" role="img" aria-label="Baseline Check"></span><h2>Baseline <span class="not-bold">Widely available</span></h2><div class="browsers"><span class="engine" title="Supported in Chrome and Edge"><span class="browser chrome supported" role="img" aria-label="Chrome check"></span><span class="browser edge supported" role="img" aria-label="Edge check"></span></span><span class="engine" title="Supported in Firefox"><span class="browser firefox supported" role="img" aria-label="Firefox check"></span></span><span class="engine" title="Supported in Safari"><span class="browser safari supported" role="img" aria-label="Safari check"></span></span></div><span class="icon icon-chevron "></span></summary><div class="extra"><p>This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.</p><ul><li><a href="/ja/docs/Glossary/Baseline/Compatibility" data-glean="baseline_link_learn_more" target="_blank" class="learn-more">Learn more</a></li><li><a href="#ブラウザーの互換性" data-glean="baseline_link_bcd_table">See full compatibility</a></li><li><a href="https://survey.alchemer.com/s3/7634825/MDN-baseline-feedback?page=%2Fja%2Fdocs%2FWeb%2FCSS%2Fcontent&level=high" data-glean="baseline_link_feedback" class="feedback-link" target="_blank" rel="noreferrer">Report feedback</a></li></ul></div></details></header><div class="section-content"><p><strong><code>content</code></strong> は <a href="/ja/docs/Web/CSS">CSS</a> のプロパティで、ある要素を生成された値で置き換えます。 <code>content</code> プロパティを使用して挿入されたオブジェクトは、<strong>無名の<a href="/ja/docs/Web/CSS/Replaced_element">置換要素</a></strong> になります。</p> <div class="code-example"><div class="example-header"><span class="language-name">css</span></div><pre class="brush: css notranslate"><code>/* 他の値と組み合わせることができないキーワード */ content: normal; content: none; /* <image> 値 */ content: url("http://www.example.com/test.png"); content: linear-gradient(#e66465, #9198e5); content: image-set("image1x.png" 1x, "image2x.png" 2x); /* 生成コンテンツの代替テキスト、レベル 3 の仕様書で追加 */ content: url("http://www.example.com/test.png") / "This is the alt text"; /* <string> 値 */ content: "prefix"; /* <counter> 値、任意で <list-style-type> */ content: counter(chapter_counter); content: counter(chapter_counter, upper-roman); content: counters(section_counter, "."); content: counters(section_counter, ".", decimal-leading-zero); /* HTML 属性値にリンクした attr() 値 */ content: attr(value string); /* 言語や位置に依存したキーワード */ content: open-quote; content: close-quote; content: no-open-quote; content: no-close-quote; /* normal と none を除き、複数の値が同時に使用可 */ content: open-quote counter(chapter_counter); /* グローバル値 */ content: inherit; content: initial; content: revert; content: unset; </code></pre></div></div><section aria-labelledby="試してみましょう"><h2 id="試してみましょう"><a href="#試してみましょう">試してみましょう</a></h2><div class="section-content"><iframe class="interactive is-tabbed-shorter-height" height="200" src="https://interactive-examples.mdn.mozilla.net/pages/tabbed/content.html" title="MDN Web Docs Interactive Example" allow="clipboard-write" loading="lazy"></iframe></div></section><section aria-labelledby="構文"><h2 id="構文"><a href="#構文">構文</a></h2><div class="section-content"></div></section><section aria-labelledby="値"><h3 id="値"><a href="#値">値</a></h3><div class="section-content"><dl> <dt id="none"><a href="#none"><code>none</code></a></dt> <dd> <p>擬似要素に適用された場合は、その擬似要素は生成されません。要素に適用された場合は、この値は効果がありません。</p> </dd> <dt id="normal"><a href="#normal"><code>normal</code></a></dt> <dd> <p><code>::before</code> および <code>::after</code> 擬似要素では <code>none</code> として計算されます。</p> </dd> <dt id="string"><a href="/ja/docs/Web/CSS/string"><code><string></code></a></dt> <dd> <p>要素の「代替テキスト」を指定します。この値は任意の数のテキスト文字です。ラテン文字以外は Unicode エスケープシーケンスを使用してエンコードする必要があります。例えば、 <code>\000A9</code> は著作権記号を表します。</p> </dd> <dt id="image"><a href="/ja/docs/Web/CSS/image"><code><image></code></a></dt> <dd> <p><a href="/ja/docs/Web/CSS/image"><code><image></code></a> です。 <a href="/ja/docs/Web/CSS/url_value"><code><url()></code></a> または <a href="/ja/docs/Web/CSS/gradient"><code><gradient></code></a> データ型、または <a href="/ja/docs/Web/CSS/element"><code>element()</code></a> 関数で定義されるウェブページの一部です。</p> </dd> <dt id="counter"><a href="/ja/docs/Web/CSS/counter"><code>counter()</code></a></dt> <dd> <p><a href="/ja/docs/Web/CSS/CSS_counter_styles/Using_CSS_counters">CSS カウンター</a>の値で、通常は <a href="/ja/docs/Web/CSS/counter-reset"><code><counter-reset></code></a> および <a href="/ja/docs/Web/CSS/counter-increment"><code><counter-increment></code></a> プロパティで定義され、計算によって生み出される数値です。 <a href="/ja/docs/Web/CSS/counter"><code>counter()</code></a> または <a href="/ja/docs/Web/CSS/counters"><code>counters()</code></a> 関数を使用して表示することができます。</p> <p><a href="/ja/docs/Web/CSS/counter"><code>counter()</code></a> 関数には、 'counter(<em>名前</em>)' または 'counter(<em>名前</em>, スタイル)' の二つの形式があります。生成されるテキストは、その擬似要素のスコープにおけるその名前の最も内側のカウンターです。<a href="/ja/docs/Web/CSS/list-style-type"><code><list-style-type></code></a> で指定されたスタイルで整形されます (<code>decimal</code> が既定値です)。</p> <p><a href="/ja/docs/Web/CSS/counters"><code>counters()</code></a> 関数も、 'counters(<em>名前</em>, <em>文字列</em>)' または 'counters(<em>名前</em>, <em>文字列</em>, <em>スタイル</em>)' の二つの形式があります。生成されるテキストは、その擬似要素のスコープにおけるその名前のすべてのカウンターの値であり、外側から内側に向けて、指定された文字列で区切られます。カウンターは指定されたスタイルで表示されます(<code>decimal</code> が既定値です)。</p> </dd> <dt id="attrx"><a href="#attrx"><code>attr(x)</code></a></dt> <dd> <p>要素の属性の値 <code>x</code> を文字列として返します。属性 <code>x</code> が存在しない場合は、空文字列が返されます。属性名の大文字と小文字が区別されるかどうかは、文書の言語に依存します。</p> </dd> <dt id="open-quote"><a href="#open-quote"><code>open-quote</code></a> | <code>close-quote</code></dt> <dd> <p>これらの値は <a href="/ja/docs/Web/CSS/quotes"><code>quotes</code></a> プロパティの対応する文字列に置き換えられます。</p> </dd> <dt id="no-open-quote"><a href="#no-open-quote"><code>no-open-quote</code></a> | <code>no-close-quote</code></dt> <dd> <p>内容はありませんが、引用符の入れ子の階層を増加 (または減少) させます。</p> </dd> </dl></div></section><section aria-labelledby="アクセシビリティの考慮"><h2 id="アクセシビリティの考慮"><a href="#アクセシビリティの考慮">アクセシビリティの考慮</a></h2><div class="section-content"><p>CSS で生成されるコンテンツは、 <a href="/ja/docs/Web/API/Document_Object_Model/Introduction">DOM</a> には含まれません。そのため、これは<a href="/ja/docs/Learn/Accessibility/What_is_accessibility#accessibility_apis">アクセシビリティツリー</a>では表現されず、支援技術とブラウザーの組み合わせによってはアナウンスされないことがあります。そのコンテンツがページの目的を理解する上で重要な情報を含んでいるのであれば、メイン文書に含めたほうが適切です。</p> <ul> <li><a href="https://tink.uk/accessibility-support-for-css-generated-content/" class="external" target="_blank">Accessibility support for CSS generated content – Tink</a></li> <li><a href="/ja/docs/Web/Accessibility/Understanding_WCAG/Perceivable#%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3_1.3_%E2%80%94_%E3%81%95%E3%81%BE%E3%81%96%E3%81%BE%E3%81%AA%E6%96%B9%E6%B3%95%E3%81%A7%E6%8F%90%E7%A4%BA%E3%81%A7%E3%81%8D%E3%82%8B%E3%82%B3%E3%83%B3%E3%83%86%E3%83%B3%E3%83%84%E3%81%AE%E4%BD%9C%E6%88%90">WCAG の解説、ガイドライン 1.3 – MDN</a></li> <li><a href="https://www.w3.org/TR/UNDERSTANDING-WCAG20/content-structure-separation-programmatic.html" class="external" target="_blank">Understanding Success Criterion 1.3.1 | W3C Understanding WCAG 2.0</a></li> </ul></div></section><section aria-labelledby="公式定義"><h2 id="公式定義"><a href="#公式定義">公式定義</a></h2><div class="section-content"><figure class="table-container"><table class="properties"><tbody><tr><th scope="row"><a href="/ja/docs/Web/CSS/initial_value">初期値</a></th><td><code>normal</code></td></tr><tr><th scope="row">適用対象</th><td>すべての要素、ツリーに現れる擬似要素、ページのマージンボックス</td></tr><tr><th scope="row"><a href="/ja/docs/Web/CSS/Inheritance">継承</a></th><td>なし</td></tr><tr><th scope="row"><a href="/ja/docs/Web/CSS/computed_value">計算値</a></th><td>要素の場合は、常に <code>normal</code> と計算される。 <a href="/ja/docs/Web/CSS/::before"><code>::before</code></a> および <a href="/ja/docs/Web/CSS/::after"><code>::after</code></a> の場合、 <code>normal</code> が指定されていれば計算値は <code>none</code>。それ以外の場合、 URI 値の場合は絶対 URI、 <code>attr()</code> 値の場合は結果の文字列、その他のキーワードについては指定通り。</td></tr><tr><th scope="row"><a href="/ja/docs/Web/CSS/CSS_animated_properties">アニメーションの種類</a></th><td>離散値</td></tr></tbody></table></figure></div></section><section aria-labelledby="形式文法"><h2 id="形式文法"><a href="#形式文法">形式文法</a></h2><div class="section-content"><pre class="notranslate"><span class="token property" id="content">content = </span><br> <span class="token keyword">normal</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">none</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">[</a> <span class="token property"><content-replacement></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a> <span class="token property"><content-list></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">]</a> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">[</a> / <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">[</a> <a href="/ja/docs/Web/CSS/string"><span class="token property"><string></span></a> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a> <span class="token property"><counter></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a> <span class="token property"><attr()></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">]</a><a href="/ja/docs/Web/CSS/Value_definition_syntax#plus" title="Plus: the entity may occur one or several times">+</a> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">]</a><a href="/ja/docs/Web/CSS/Value_definition_syntax#question_mark" title="Question mark: the entity is optional">?</a> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token property"><element()></span> <br><br><span class="token property" id="<content-replacement>"><content-replacement> = </span><br> <span class="token property"><image></span> <br><br><span class="token property" id="<content-list>"><content-list> = </span><br> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">[</a> <a href="/ja/docs/Web/CSS/string"><span class="token property"><string></span></a> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a> <span class="token property"><counter()></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a> <span class="token property"><counters()></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a> <span class="token property"><content()></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a> <span class="token property"><attr()></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">]</a><a href="/ja/docs/Web/CSS/Value_definition_syntax#plus" title="Plus: the entity may occur one or several times">+</a> <br><br><span class="token property" id="<counter>"><counter> = </span><br> <span class="token property"><counter()></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token property"><counters()></span> <br><br><span class="token property" id="<attr()>"><attr()> = </span><br> <span class="token function">attr(</span> <span class="token property"><attr-name></span> <span class="token property"><attr-type></span><a href="/ja/docs/Web/CSS/Value_definition_syntax#question_mark" title="Question mark: the entity is optional">?</a> , <a class="page-not-created" title="この項目についての文書はまだ書かれていません。書いてみませんか？" data-href="/ja/docs/Web/CSS/declaration-value"><span class="token property"><declaration-value></span></a><a href="/ja/docs/Web/CSS/Value_definition_syntax#question_mark" title="Question mark: the entity is optional">?</a> <span class="token function">)</span> <br><br><span class="token property" id="<element()>"><element()> = </span><br> <span class="token function">element(</span> <span class="token property"><id-selector></span> <span class="token function">)</span> <br><br><span class="token property" id="<image>"><image> = </span><br> <span class="token property"><url></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <a href="/ja/docs/Web/CSS/gradient"><span class="token property"><gradient></span></a> <br><br><span class="token property" id="<counter()>"><counter()> = </span><br> <span class="token function">counter(</span> <a class="page-not-created" title="この項目についての文書はまだ書かれていません。書いてみませんか？" data-href="/ja/docs/Web/CSS/counter-name"><span class="token property"><counter-name></span></a> , <span class="token property"><counter-style></span><a href="/ja/docs/Web/CSS/Value_definition_syntax#question_mark" title="Question mark: the entity is optional">?</a> <span class="token function">)</span> <br><br><span class="token property" id="<counters()>"><counters()> = </span><br> <span class="token function">counters(</span> <a class="page-not-created" title="この項目についての文書はまだ書かれていません。書いてみませんか？" data-href="/ja/docs/Web/CSS/counter-name"><span class="token property"><counter-name></span></a> , <a href="/ja/docs/Web/CSS/string"><span class="token property"><string></span></a> , <span class="token property"><counter-style></span><a href="/ja/docs/Web/CSS/Value_definition_syntax#question_mark" title="Question mark: the entity is optional">?</a> <span class="token function">)</span> <br><br><span class="token property" id="<content()>"><content()> = </span><br> <span class="token function">content(</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">[</a> <span class="token keyword">text</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a> <span class="token keyword">before</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a> <span class="token keyword">after</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a> <span class="token keyword">first-letter</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a> <span class="token keyword">marker</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">]</a><a href="/ja/docs/Web/CSS/Value_definition_syntax#question_mark" title="Question mark: the entity is optional">?</a> <span class="token function">)</span> <br><br><span class="token property" id="<attr-name>"><attr-name> = </span><br> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">[</a> <a class="page-not-created" title="この項目についての文書はまだ書かれていません。書いてみませんか？" data-href="/ja/docs/Web/CSS/ident-token"><span class="token property"><ident-token></span></a> '|' <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">]</a><a href="/ja/docs/Web/CSS/Value_definition_syntax#question_mark" title="Question mark: the entity is optional">?</a> <a class="page-not-created" title="この項目についての文書はまだ書かれていません。書いてみませんか？" data-href="/ja/docs/Web/CSS/ident-token"><span class="token property"><ident-token></span></a> <br><br><span class="token property" id="<attr-type>"><attr-type> = </span><br> <span class="token function">type(</span> <span class="token property"><syntax></span> <span class="token function">)</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">string</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <a class="page-not-created" title="この項目についての文書はまだ書かれていません。書いてみませんか？" data-href="/ja/docs/Web/CSS/attr-unit"><span class="token property"><attr-unit></span></a> <br><br><span class="token property" id="<id-selector>"><id-selector> = </span><br> <a class="page-not-created" title="この項目についての文書はまだ書かれていません。書いてみませんか？" data-href="/ja/docs/Web/CSS/hash-token"><span class="token property"><hash-token></span></a> <br><br><span class="token property" id="<url>"><url> = </span><br> <span class="token property"><url()></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token property"><src()></span> <br><br><span class="token property" id="<counter-style>"><counter-style> = </span><br> <a class="page-not-created" title="この項目についての文書はまだ書かれていません。書いてみませんか？" data-href="/ja/docs/Web/CSS/counter-style-name"><span class="token property"><counter-style-name></span></a> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token property"><symbols()></span> <br><br><span class="token property" id="<syntax>"><syntax> = </span><br> '*' <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token property"><syntax-component></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">[</a> <span class="token property"><syntax-combinator></span> <span class="token property"><syntax-component></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">]</a><a href="/ja/docs/Web/CSS/Value_definition_syntax#asterisk" title="Asterisk: the entity may occur zero, one or several times">*</a> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token property"><syntax-string></span> <br><br><span class="token property" id="<url()>"><url()> = </span><br> <span class="token function">url(</span> <a href="/ja/docs/Web/CSS/string"><span class="token property"><string></span></a> <a class="page-not-created" title="この項目についての文書はまだ書かれていません。書いてみませんか？" data-href="/ja/docs/Web/CSS/url-modifier"><span class="token property"><url-modifier></span></a><a href="/ja/docs/Web/CSS/Value_definition_syntax#asterisk" title="Asterisk: the entity may occur zero, one or several times">*</a> <span class="token function">)</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <a class="page-not-created" title="この項目についての文書はまだ書かれていません。書いてみませんか？" data-href="/ja/docs/Web/CSS/url-token"><span class="token property"><url-token></span></a> <br><br><span class="token property" id="<src()>"><src()> = </span><br> <span class="token function">src(</span> <a href="/ja/docs/Web/CSS/string"><span class="token property"><string></span></a> <a class="page-not-created" title="この項目についての文書はまだ書かれていません。書いてみませんか？" data-href="/ja/docs/Web/CSS/url-modifier"><span class="token property"><url-modifier></span></a><a href="/ja/docs/Web/CSS/Value_definition_syntax#asterisk" title="Asterisk: the entity may occur zero, one or several times">*</a> <span class="token function">)</span> <br><br><span class="token property" id="<symbols()>"><symbols()> = </span><br> <span class="token function">symbols(</span> <span class="token property"><symbols-type></span><a href="/ja/docs/Web/CSS/Value_definition_syntax#question_mark" title="Question mark: the entity is optional">?</a> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">[</a> <a href="/ja/docs/Web/CSS/string"><span class="token property"><string></span></a> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a> <span class="token property"><image></span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#brackets" title="Brackets: enclose several entities, combinators, and multipliers to transform them as a single component">]</a><a href="/ja/docs/Web/CSS/Value_definition_syntax#plus" title="Plus: the entity may occur one or several times">+</a> <span class="token function">)</span> <br><br><span class="token property" id="<syntax-component>"><syntax-component> = </span><br> <span class="token property"><syntax-single-component></span> <span class="token property"><syntax-multiplier></span><a href="/ja/docs/Web/CSS/Value_definition_syntax#question_mark" title="Question mark: the entity is optional">?</a> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> '<' <span class="token keyword">transform-list</span> '>' <br><br><span class="token property" id="<syntax-combinator>"><syntax-combinator> = </span><br> '|' <br><br><span class="token property" id="<syntax-string>"><syntax-string> = </span><br> <a href="/ja/docs/Web/CSS/string"><span class="token property"><string></span></a> <br><br><span class="token property" id="<symbols-type>"><symbols-type> = </span><br> <span class="token keyword">cyclic</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">numeric</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">alphabetic</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">symbolic</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">fixed</span> <br><br><span class="token property" id="<syntax-single-component>"><syntax-single-component> = </span><br> '<' <span class="token property"><syntax-type-name></span> '>' <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <a href="/ja/docs/Web/CSS/ident"><span class="token property"><ident></span></a> <br><br><span class="token property" id="<syntax-multiplier>"><syntax-multiplier> = </span><br> '#' <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> '+' <br><br><span class="token property" id="<syntax-type-name>"><syntax-type-name> = </span><br> <span class="token keyword">angle</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">color</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">custom-ident</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">image</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">integer</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">length</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">length-percentage</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">number</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">percentage</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">resolution</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">string</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">time</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">url</span> <a href="/ja/docs/Web/CSS/Value_definition_syntax#single_bar" title="Single bar: exactly one of the entities must be present">|</a><br> <span class="token keyword">transform-function</span> <br><br></pre></div></section><section aria-labelledby="例"><h2 id="例"><a href="#例">例</a></h2><div class="section-content"></div></section><section aria-labelledby="見出しと引用符"><h3 id="見出しと引用符"><a href="#見出しと引用符">見出しと引用符</a></h3><div class="section-content"><p>この例では引用部分の周りに引用符を挿入し、見出しの前に "Chapter" の語を追加します。</p> <h4 id="html">HTML</h4> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><h1>5</h1> <p> According to Sir Tim Berners-Lee, <q cite="http://www.w3.org/People/Berners-Lee/FAQ.html#Internet" >I was lucky enough to invent the Web at the time when the Internet already existed - and had for a decade and a half.</q > We must understand that there is nothing fundamentally wrong with building on the contributions of others. </p> <h1>6</h1> <p> According to the Mozilla Manifesto, <q cite="http://www.mozilla.org/en-US/about/manifesto/" >Individuals must have the ability to shape the Internet and their own experiences on the Internet.</q > Therefore, we can infer that contributing to the open web can protect our own individual experiences on it. </p> </code></pre></div> <h4 id="css">CSS</h4> <div class="code-example"><div class="example-header"><span class="language-name">css</span></div><pre class="brush: css notranslate"><code>q { color: blue; } q::before { content: open-quote; } q::after { content: close-quote; } h1::before { content: "Chapter "; /* 最後の空白は、追加コンテンツと残りのコンテンツの間を区切るものです */ } </code></pre></div> <h4 id="結果">結果</h4><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Headings and quotes sample" id="frame_headings_and_quotes" width="100%" height="200" src="about:blank" data-live-path="/ja/docs/Web/CSS/content" data-live-id="headings_and_quotes" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="テキストと組み合わせる画像"><h3 id="テキストと組み合わせる画像"><a href="#テキストと組み合わせる画像">テキストと組み合わせる画像</a></h3><div class="section-content"><p>この例はリンクの前に画像を挿入します。画像が見つからなければ、代わりにテキストを挿入します。</p> <h4 id="html_2">HTML</h4> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><a href="https://www.mozilla.org/en-US/">Mozilla Home Page</a> </code></pre></div> <h4 id="css_2">CSS</h4> <div class="code-example"><div class="example-header"><span class="language-name">css</span></div><pre class="brush: css notranslate"><code>a::before { content: url("https://mozorg.cdn.mozilla.net/media/img/favicon.ico") / " MOZILLA: "; font: x-small Arial, sans-serif; color: gray; } </code></pre></div> <h4 id="結果_2">結果</h4><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Image combined with text sample" id="frame_image_combined_with_text" width="100%" height="60" src="about:blank" data-live-path="/ja/docs/Web/CSS/content" data-live-id="image_combined_with_text" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="クラスのターゲッティング"><h3 id="クラスのターゲッティング"><a href="#クラスのターゲッティング">クラスのターゲッティング</a></h3><div class="section-content"><p>この例はリストの特定の項目の後に追加のテキストを挿入します。</p> <h4 id="html_3">HTML</h4> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><h2>Paperback Best Sellers</h2> <ol> <li>Political Thriller</li> <li class="new-entry">Halloween Stories</li> <li>My Biography</li> <li class="new-entry">Vampire Romance</li> </ol> </code></pre></div> <h4 id="css_3">CSS</h4> <div class="code-example"><div class="example-header"><span class="language-name">css</span></div><pre class="brush: css notranslate"><code>.new-entry::after { content: " New!"; /* 先頭の空白は、追加コンテンツと残りのコンテンツの間を区切るものです */ color: red; } </code></pre></div> <h4 id="結果_3">結果</h4><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Targeting classes sample" id="frame_targeting_classes" width="100%" height="160" src="about:blank" data-live-path="/ja/docs/Web/CSS/content" data-live-id="targeting_classes" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="画像および要素の属性"><h3 id="画像および要素の属性"><a href="#画像および要素の属性">画像および要素の属性</a></h3><div class="section-content"><p>この例はそれぞれのリンクの前に画像を挿入し、後に <code>id</code> 属性を追加します。</p> <h4 id="html_4">HTML</h4> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><ul> <li><a id="moz" href="https://www.mozilla.org/"> Mozilla Home Page</a></li> <li> <a id="mdn" href="https://developer.mozilla.org/"> Mozilla Developer Network</a > </li> </ul> </code></pre></div> <h4 id="css_4">CSS</h4> <div class="code-example"><div class="example-header"><span class="language-name">css</span></div><pre class="brush: css notranslate"><code>a { text-decoration: none; border-bottom: 3px dotted navy; } a::after { content: " (" attr(id) ")"; } #moz::before { content: url("https://mozorg.cdn.mozilla.net/media/img/favicon.ico"); } #mdn::before { content: url("mdn-favicon16.png"); } li { margin: 1em; } </code></pre></div> <h4 id="結果_4">結果</h4><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Images and element attributes sample" id="frame_images_and_element_attributes" width="100%" height="160" src="about:blank" data-live-path="/ja/docs/Web/CSS/content" data-live-id="images_and_element_attributes" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="要素の置き換え"><h3 id="要素の置き換え"><a href="#要素の置き換え">要素の置き換え</a></h3><div class="section-content"><p>この例は、要素の内容を画像で置き換えます。要素の内容を <a href="/ja/docs/Web/CSS/url_value"><code><url()></code></a> または <a href="/ja/docs/Web/CSS/image"><code><image></code></a> の値のどちらかで置き換えることができます。 <code>::before</code> または <code>::after</code> で追加された内容は、要素の中身が置き換えられるときは生成されません。</p> <h4 id="html_5">HTML</h4> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><div id="replaced">Mozilla</div> </code></pre></div> <h4 id="css_5">CSS</h4> <div class="code-example"><div class="example-header"><span class="language-name">css</span></div><pre class="brush: css notranslate"><code>#replaced { content: url("mdn.svg"); } #replaced::after { /* 要素の置換に対応している場合は表示されない */ content: " (" attr(id) ")"; } </code></pre></div> <h4 id="結果_5">結果</h4><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Element replacement sample" id="frame_element_replacement" width="100%" height="200" src="about:blank" data-live-path="/ja/docs/Web/CSS/content" data-live-id="element_replacement" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><h2 id="仕様書"><a href="#仕様書">仕様書</a></h2><table class="standard-table"><thead><tr><th scope="col">Specification</th></tr></thead><tbody><tr><td><a href="https://drafts.csswg.org/css-content/#content-property">CSS Generated Content Module Level 3 <br/><small># content-property</small></a></td></tr></tbody></table><h2 id="ブラウザーの互換性"><a href="#ブラウザーの互換性">ブラウザーの互換性</a></h2><p>BCD tables only load in the browser<noscript> with JavaScript enabled. Enable JavaScript to view data.</noscript></p><section aria-labelledby="関連情報"><h2 id="関連情報"><a href="#関連情報">関連情報</a></h2><div class="section-content"><ul> <li><a href="/ja/docs/Web/CSS/Replaced_element">置換要素</a></li> <li><a href="/ja/docs/Web/CSS/::after"><code>::after</code></a></li> <li><a href="/ja/docs/Web/CSS/::before"><code>::before</code></a></li> <li><a href="/ja/docs/Web/CSS/::marker"><code>::marker</code></a></li> <li><a href="/ja/docs/Web/CSS/quotes"><code>quotes</code></a></li> <li><a href="/ja/docs/Web/CSS/url_value"><code>url()</code></a> 関数</li> </ul></div></section></article><aside class="article-footer"><div class="article-footer-inner"><div class="svg-container"><svg xmlns="http://www.w3.org/2000/svg" width="162" height="162" viewBox="0 0 162 162" fill="none" role="none"><mask id="b" fill="#fff"><path d="M97.203 47.04c8.113-7.886 18.004-13.871 28.906-17.492a78 78 0 0 1 33.969-3.39c11.443 1.39 22.401 5.295 32.024 11.411s17.656 14.28 23.476 23.86c5.819 9.579 9.269 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<li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Selectors/Pseudo-classes_and_pseudo-elements\">Pseudo-classes and pseudo-elements</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Selectors/Combinators\">Combinators</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Cascade_and_inheritance\">カスケードと継承</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Cascade_layers\">Cascade layers</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/The_box_model\">ボックスモデル</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Backgrounds_and_borders\">背景と境界</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Handling_different_text_directions\">書字方向の操作</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Overflowing_content\">内容のはみ出し</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Values_and_units\">CSS の値と単位</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Sizing_items_in_CSS\">CSS における大きさの指定</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Images_media_form_elements\">画像、メディア、フォームの要素</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Styling_tables\">表のスタイル付け</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Debugging_CSS\">CSS のデバッグ</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Organizing\">CSS の整理</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Fundamental_CSS_comprehension\">評価課題: CSS の基本的な理解度</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/Creating_fancy_letterheaded_paper\">評価課題: 素敵なレターヘッドの便箋の作成</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Building_blocks/A_cool_looking_box\">評価課題: かっこいいボックス</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>テキストの装飾</summary>\n <ol>\n <li><a href=\"/ja/docs/Learn/CSS/Styling_text\">テキストの装飾の概要</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Styling_text/Fundamentals\">基本的なテキストとフォントの装飾</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Styling_text/Styling_lists\">リストの装飾</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Styling_text/Styling_links\">リンクの装飾</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Styling_text/Web_fonts\">ウェブフォント</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/Styling_text/Typesetting_a_homepage\">評価課題: コミュニティスクールのホームページの組版</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>CSS レイアウト</summary>\n <ol>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout\">CSS レイアウトの概要</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout/Introduction\">CSS レイアウト入門</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout/Normal_Flow\">通常フロー</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout/Flexbox\">フレックスボックス</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout/Grids\">グリッド</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout/Floats\">浮動</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout/Positioning\">位置指定</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout/Multiple-column_Layout\">段組みレイアウト</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout/Responsive_Design\">レスポンシブデザイン</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout/Media_queries\">メディアクエリーの初心者向けガイド</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout/Legacy_Layout_Methods\">古いレイアウト方法</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout/Supporting_Older_Browsers\">古いブラウザーの対応</a></li>\n <li><a href=\"/ja/docs/Learn/CSS/CSS_layout/Fundamental_Layout_Comprehension\">評価課題: 基礎的なレイアウトの理解</a></li>\n </ol>\n </details>\n </li>\n\n <li class=\"section\"><a href=\"/ja/docs/Web/CSS/Reference\">Reference</a></li>\n <li class=\"toggle\"><details><summary>Modules</summary><ol><li><a href=\"/ja/docs/Web/CSS/CSS_anchor_positioning\">CSS アンカー位置指定</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_animations\">CSS アニメーション</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_backgrounds_and_borders\">CSS 背景と境界</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_basic_user_interface\">CSS 基本ユーザーインターフェイス</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_box_alignment\">CSS ボックス配置</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_box_model\">CSS ボックスモデル</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_box_sizing\">CSS ボックスサイズ指定</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_cascade\">CSS カスケードと継承</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_cascading_variables\">カスケード変数のための CSS カスタムプロパティ</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_color_adjustment\">CSS 色調整</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_colors\">CSS 色</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_compositing_and_blending\">CSS 合成と混合</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_conditional_rules\">CSS 条件付き規則</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_containment\">CSS 拘束</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_counter_styles\">CSS カウンタースタイル</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_display\">CSS 表示方法</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_filter_effects\">フィルター効果</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_flexible_box_layout\">CSS フレックスボックスレイアウト</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_font_loading\">CSS フォント読み込み</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_fonts\">CSS フォント</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_fragmentation\">CSS 断片化</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_generated_content\">CSS 生成コンテンツ</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout\">CSS グリッドレイアウト</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_images\">CSS 画像</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_inline_layout\">CSS インラインレイアウト</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_lists\">CSS リスト</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_logical_properties_and_values\">CSS 論理的プロパティと値</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_masking\">CSS マスク</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_media_queries\">メディアクエリー</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_motion_path\">CSS モーションパス</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_multicol_layout\">CSS 段組みレイアウト</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_namespaces\">CSS 名前空間</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_nesting\">CSS 入れ子</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_overflow\">CSS オーバーフロー</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_overscroll_behavior\">CSS オーバースクロール動作</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_paged_media\">CSS ページメディア</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_positioned_layout\">CSS 位置指定レイアウト</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_properties_and_values_API\">CSS プロパティと値 API</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_pseudo-elements\">CSS 擬似要素</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_ruby_layout\">CSS ルビレイアウト</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_scoping\">CSS スコープ</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_scroll-driven_animations\">CSS スクロール駆動アニメーション</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_scroll_snap\">CSS スクロールスナップ</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_scrollbars_styling\">CSS スクロールバースタイル設定</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_selectors\">CSS セレクター</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/CSS_shadow_parts\">CSS shadow parts</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_shapes\">CSS シェイプ</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_syntax\">CSS 構文</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_table\">CSS 表</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_text\">CSS テキスト</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_text_decoration\">CSS テキスト装飾</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_transforms\">CSS 座標変換</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_transitions\">CSS トランジション</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_view_transitions\">CSS ビュー遷移</a></li><li><a href=\"/ja/docs/Web/CSS/CSS_writing_modes\">CSS 書字方向</a></li><li><a href=\"/ja/docs/Web/CSS/CSSOM_view\">CSSOM View</a></li></ol></details></li>\n <li class=\"toggle\"><details open=\"\"><summary>Properties</summary><ol><li class=\"toggle\"><details><summary>-moz-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/-moz-float-edge\">-moz-float-edge</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-moz-force-broken-image-icon\">-moz-force-broken-image-icon</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-moz-image-region\">-moz-image-region</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-moz-orient\">-moz-orient</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-moz-user-focus\">-moz-user-focus</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-moz-user-input\">-moz-user-input</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li></ol></details></li><li class=\"toggle\"><details><summary>-webkit-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/-webkit-border-before\">-webkit-border-before</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-webkit-box-reflect\">-webkit-box-reflect</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-webkit-line-clamp\">-webkit-line-clamp</a></li><li><a href=\"/ja/docs/Web/CSS/-webkit-mask-box-image\">-webkit-mask-box-image</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-webkit-mask-composite\">-webkit-mask-composite</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-webkit-mask-position-x\">-webkit-mask-position-x</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-webkit-mask-position-y\">-webkit-mask-position-y</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-webkit-mask-repeat-x\">-webkit-mask-repeat-x</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-webkit-mask-repeat-y\">-webkit-mask-repeat-y</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-webkit-tap-highlight-color\">-webkit-tap-highlight-color</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-webkit-text-fill-color\">-webkit-text-fill-color</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/-webkit-text-security\">-webkit-text-security</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/-webkit-text-stroke\">-webkit-text-stroke</a></li><li><a href=\"/ja/docs/Web/CSS/-webkit-text-stroke-color\">-webkit-text-stroke-color</a></li><li><a href=\"/ja/docs/Web/CSS/-webkit-text-stroke-width\">-webkit-text-stroke-width</a></li><li><a href=\"/ja/docs/Web/CSS/-webkit-touch-callout\">-webkit-touch-callout</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/accent-color\">accent-color</a></li><li class=\"toggle\"><details><summary>align-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/align-content\">align-content</a></li><li><a href=\"/ja/docs/Web/CSS/align-items\">align-items</a></li><li><a href=\"/ja/docs/Web/CSS/align-self\">align-self</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/all\">all</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/anchor-name\">anchor-name</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li class=\"toggle\"><details><summary>animation-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/animation\">animation</a></li><li><a href=\"/ja/docs/Web/CSS/animation-composition\">animation-composition</a></li><li><a href=\"/ja/docs/Web/CSS/animation-delay\">animation-delay</a></li><li><a href=\"/ja/docs/Web/CSS/animation-direction\">animation-direction</a></li><li><a href=\"/ja/docs/Web/CSS/animation-duration\">animation-duration</a></li><li><a href=\"/ja/docs/Web/CSS/animation-fill-mode\">animation-fill-mode</a></li><li><a href=\"/ja/docs/Web/CSS/animation-iteration-count\">animation-iteration-count</a></li><li><a href=\"/ja/docs/Web/CSS/animation-name\">animation-name</a></li><li><a href=\"/ja/docs/Web/CSS/animation-play-state\">animation-play-state</a></li><li><a href=\"/ja/docs/Web/CSS/animation-range\">animation-range</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/animation-range-end\">animation-range-end</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/animation-range-start\">animation-range-start</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/animation-timeline\">animation-timeline</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/animation-timing-function\">animation-timing-function</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/appearance\">appearance</a></li><li><a href=\"/ja/docs/Web/CSS/aspect-ratio\">aspect-ratio</a></li><li><a href=\"/ja/docs/Web/CSS/backdrop-filter\">backdrop-filter</a></li><li><a href=\"/ja/docs/Web/CSS/backface-visibility\">backface-visibility</a></li><li class=\"toggle\"><details><summary>background-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/background\">background</a></li><li><a href=\"/ja/docs/Web/CSS/background-attachment\">background-attachment</a></li><li><a href=\"/ja/docs/Web/CSS/background-blend-mode\">background-blend-mode</a></li><li><a href=\"/ja/docs/Web/CSS/background-clip\">background-clip</a></li><li><a href=\"/ja/docs/Web/CSS/background-color\">background-color</a></li><li><a href=\"/ja/docs/Web/CSS/background-image\">background-image</a></li><li><a href=\"/ja/docs/Web/CSS/background-origin\">background-origin</a></li><li><a href=\"/ja/docs/Web/CSS/background-position\">background-position</a></li><li><a href=\"/ja/docs/Web/CSS/background-position-x\">background-position-x</a></li><li><a href=\"/ja/docs/Web/CSS/background-position-y\">background-position-y</a></li><li><a href=\"/ja/docs/Web/CSS/background-repeat\">background-repeat</a></li><li><a href=\"/ja/docs/Web/CSS/background-size\">background-size</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/block-size\">block-size</a></li><li class=\"toggle\"><details><summary>border-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/border\">border</a></li><li><a href=\"/ja/docs/Web/CSS/border-block\">border-block</a></li><li><a href=\"/ja/docs/Web/CSS/border-block-color\">border-block-color</a></li><li><a href=\"/ja/docs/Web/CSS/border-block-end\">border-block-end</a></li><li><a href=\"/ja/docs/Web/CSS/border-block-end-color\">border-block-end-color</a></li><li><a href=\"/ja/docs/Web/CSS/border-block-end-style\">border-block-end-style</a></li><li><a href=\"/ja/docs/Web/CSS/border-block-end-width\">border-block-end-width</a></li><li><a href=\"/ja/docs/Web/CSS/border-block-start\">border-block-start</a></li><li><a href=\"/ja/docs/Web/CSS/border-block-start-color\">border-block-start-color</a></li><li><a href=\"/ja/docs/Web/CSS/border-block-start-style\">border-block-start-style</a></li><li><a href=\"/ja/docs/Web/CSS/border-block-start-width\">border-block-start-width</a></li><li><a href=\"/ja/docs/Web/CSS/border-block-style\">border-block-style</a></li><li><a href=\"/ja/docs/Web/CSS/border-block-width\">border-block-width</a></li><li><a href=\"/ja/docs/Web/CSS/border-bottom\">border-bottom</a></li><li><a href=\"/ja/docs/Web/CSS/border-bottom-color\">border-bottom-color</a></li><li><a href=\"/ja/docs/Web/CSS/border-bottom-left-radius\">border-bottom-left-radius</a></li><li><a href=\"/ja/docs/Web/CSS/border-bottom-right-radius\">border-bottom-right-radius</a></li><li><a href=\"/ja/docs/Web/CSS/border-bottom-style\">border-bottom-style</a></li><li><a href=\"/ja/docs/Web/CSS/border-bottom-width\">border-bottom-width</a></li><li><a href=\"/ja/docs/Web/CSS/border-collapse\">border-collapse</a></li><li><a href=\"/ja/docs/Web/CSS/border-color\">border-color</a></li><li><a href=\"/ja/docs/Web/CSS/border-end-end-radius\">border-end-end-radius</a></li><li><a href=\"/ja/docs/Web/CSS/border-end-start-radius\">border-end-start-radius</a></li><li><a href=\"/ja/docs/Web/CSS/border-image\">border-image</a></li><li><a href=\"/ja/docs/Web/CSS/border-image-outset\">border-image-outset</a></li><li><a href=\"/ja/docs/Web/CSS/border-image-repeat\">border-image-repeat</a></li><li><a href=\"/ja/docs/Web/CSS/border-image-slice\">border-image-slice</a></li><li><a href=\"/ja/docs/Web/CSS/border-image-source\">border-image-source</a></li><li><a href=\"/ja/docs/Web/CSS/border-image-width\">border-image-width</a></li><li><a href=\"/ja/docs/Web/CSS/border-inline\">border-inline</a></li><li><a href=\"/ja/docs/Web/CSS/border-inline-color\">border-inline-color</a></li><li><a href=\"/ja/docs/Web/CSS/border-inline-end\">border-inline-end</a></li><li><a href=\"/ja/docs/Web/CSS/border-inline-end-color\">border-inline-end-color</a></li><li><a href=\"/ja/docs/Web/CSS/border-inline-end-style\">border-inline-end-style</a></li><li><a href=\"/ja/docs/Web/CSS/border-inline-end-width\">border-inline-end-width</a></li><li><a href=\"/ja/docs/Web/CSS/border-inline-start\">border-inline-start</a></li><li><a href=\"/ja/docs/Web/CSS/border-inline-start-color\">border-inline-start-color</a></li><li><a href=\"/ja/docs/Web/CSS/border-inline-start-style\">border-inline-start-style</a></li><li><a href=\"/ja/docs/Web/CSS/border-inline-start-width\">border-inline-start-width</a></li><li><a href=\"/ja/docs/Web/CSS/border-inline-style\">border-inline-style</a></li><li><a href=\"/ja/docs/Web/CSS/border-inline-width\">border-inline-width</a></li><li><a href=\"/ja/docs/Web/CSS/border-left\">border-left</a></li><li><a href=\"/ja/docs/Web/CSS/border-left-color\">border-left-color</a></li><li><a href=\"/ja/docs/Web/CSS/border-left-style\">border-left-style</a></li><li><a href=\"/ja/docs/Web/CSS/border-left-width\">border-left-width</a></li><li><a href=\"/ja/docs/Web/CSS/border-radius\">border-radius</a></li><li><a href=\"/ja/docs/Web/CSS/border-right\">border-right</a></li><li><a href=\"/ja/docs/Web/CSS/border-right-color\">border-right-color</a></li><li><a href=\"/ja/docs/Web/CSS/border-right-style\">border-right-style</a></li><li><a href=\"/ja/docs/Web/CSS/border-right-width\">border-right-width</a></li><li><a href=\"/ja/docs/Web/CSS/border-spacing\">border-spacing</a></li><li><a href=\"/ja/docs/Web/CSS/border-start-end-radius\">border-start-end-radius</a></li><li><a href=\"/ja/docs/Web/CSS/border-start-start-radius\">border-start-start-radius</a></li><li><a href=\"/ja/docs/Web/CSS/border-style\">border-style</a></li><li><a href=\"/ja/docs/Web/CSS/border-top\">border-top</a></li><li><a href=\"/ja/docs/Web/CSS/border-top-color\">border-top-color</a></li><li><a href=\"/ja/docs/Web/CSS/border-top-left-radius\">border-top-left-radius</a></li><li><a href=\"/ja/docs/Web/CSS/border-top-right-radius\">border-top-right-radius</a></li><li><a href=\"/ja/docs/Web/CSS/border-top-style\">border-top-style</a></li><li><a href=\"/ja/docs/Web/CSS/border-top-width\">border-top-width</a></li><li><a href=\"/ja/docs/Web/CSS/border-width\">border-width</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/bottom\">bottom</a></li><li class=\"toggle\"><details><summary>box-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/box-align\">box-align</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/box-decoration-break\">box-decoration-break</a></li><li><a href=\"/ja/docs/Web/CSS/box-direction\">box-direction</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/box-flex\">box-flex</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/box-flex-group\">box-flex-group</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/box-lines\">box-lines</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/box-ordinal-group\">box-ordinal-group</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/box-orient\">box-orient</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/box-pack\">box-pack</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/box-shadow\">box-shadow</a></li><li><a href=\"/ja/docs/Web/CSS/box-sizing\">box-sizing</a></li></ol></details></li><li class=\"toggle\"><details><summary>break-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/break-after\">break-after</a></li><li><a href=\"/ja/docs/Web/CSS/break-before\">break-before</a></li><li><a href=\"/ja/docs/Web/CSS/break-inside\">break-inside</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/caption-side\">caption-side</a></li><li><a href=\"/ja/docs/Web/CSS/caret-color\">caret-color</a></li><li><a href=\"/ja/docs/Web/CSS/clear\">clear</a></li><li class=\"toggle\"><details><summary>clip-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/clip\">clip</a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/clip-path\">clip-path</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/clip-rule\">clip-rule</a></li></ol></details></li><li class=\"toggle\"><details><summary>color-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/color\">color</a></li><li><a href=\"/ja/docs/Web/CSS/color-interpolation\">color-interpolation</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/color-interpolation-filters\">color-interpolation-filters</a></li><li><a href=\"/ja/docs/Web/CSS/color-scheme\">color-scheme</a></li></ol></details></li><li class=\"toggle\"><details><summary>column-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/column-count\">column-count</a></li><li><a href=\"/ja/docs/Web/CSS/column-fill\">column-fill</a></li><li><a href=\"/ja/docs/Web/CSS/column-gap\">column-gap</a></li><li><a href=\"/ja/docs/Web/CSS/column-rule\">column-rule</a></li><li><a href=\"/ja/docs/Web/CSS/column-rule-color\">column-rule-color</a></li><li><a href=\"/ja/docs/Web/CSS/column-rule-style\">column-rule-style</a></li><li><a href=\"/ja/docs/Web/CSS/column-rule-width\">column-rule-width</a></li><li><a href=\"/ja/docs/Web/CSS/column-span\">column-span</a></li><li><a href=\"/ja/docs/Web/CSS/column-width\">column-width</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/columns\">columns</a></li><li class=\"toggle\"><details><summary>contain-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/contain\">contain</a></li><li><a href=\"/ja/docs/Web/CSS/contain-intrinsic-block-size\">contain-intrinsic-block-size</a></li><li><a href=\"/ja/docs/Web/CSS/contain-intrinsic-height\">contain-intrinsic-height</a></li><li><a href=\"/ja/docs/Web/CSS/contain-intrinsic-inline-size\">contain-intrinsic-inline-size</a></li><li><a href=\"/ja/docs/Web/CSS/contain-intrinsic-size\">contain-intrinsic-size</a></li><li><a href=\"/ja/docs/Web/CSS/contain-intrinsic-width\">contain-intrinsic-width</a></li></ol></details></li><li class=\"toggle\"><details><summary>container-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/container\">container</a></li><li><a href=\"/ja/docs/Web/CSS/container-name\">container-name</a></li><li><a href=\"/ja/docs/Web/CSS/container-type\">container-type</a></li></ol></details></li><li><em><a href=\"/ja/docs/Web/CSS/content\" aria-current=\"page\">content</a></em></li><li><a href=\"/ja/docs/Web/CSS/content-visibility\">content-visibility</a></li><li class=\"toggle\"><details><summary>counter-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/counter-increment\">counter-increment</a></li><li><a href=\"/ja/docs/Web/CSS/counter-reset\">counter-reset</a></li><li><a href=\"/ja/docs/Web/CSS/counter-set\">counter-set</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/cursor\">cursor</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/cx\">cx</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/cy\">cy</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/d\">d</a></li><li><a href=\"/ja/docs/Web/CSS/direction\">direction</a></li><li><a href=\"/ja/docs/Web/CSS/display\">display</a></li><li><a href=\"/ja/docs/Web/CSS/dominant-baseline\">dominant-baseline</a></li><li><a href=\"/ja/docs/Web/CSS/empty-cells\">empty-cells</a></li><li><a href=\"/ja/docs/Web/CSS/field-sizing\">field-sizing</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li class=\"toggle\"><details><summary>fill-*</summary><ol><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/fill\">fill</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/fill-opacity\">fill-opacity</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/fill-rule\">fill-rule</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/filter\">filter</a></li><li class=\"toggle\"><details><summary>flex-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/flex\">flex</a></li><li><a href=\"/ja/docs/Web/CSS/flex-basis\">flex-basis</a></li><li><a href=\"/ja/docs/Web/CSS/flex-direction\">flex-direction</a></li><li><a href=\"/ja/docs/Web/CSS/flex-flow\">flex-flow</a></li><li><a href=\"/ja/docs/Web/CSS/flex-grow\">flex-grow</a></li><li><a href=\"/ja/docs/Web/CSS/flex-shrink\">flex-shrink</a></li><li><a href=\"/ja/docs/Web/CSS/flex-wrap\">flex-wrap</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/float\">float</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/flood-color\">flood-color</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/flood-opacity\">flood-opacity</a></li><li class=\"toggle\"><details><summary>font-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/font\">font</a></li><li><a href=\"/ja/docs/Web/CSS/font-family\">font-family</a></li><li><a href=\"/ja/docs/Web/CSS/font-feature-settings\">font-feature-settings</a></li><li><a href=\"/ja/docs/Web/CSS/font-kerning\">font-kerning</a></li><li><a href=\"/ja/docs/Web/CSS/font-language-override\">font-language-override</a></li><li><a href=\"/ja/docs/Web/CSS/font-optical-sizing\">font-optical-sizing</a></li><li><a href=\"/ja/docs/Web/CSS/font-palette\">font-palette</a></li><li><a href=\"/ja/docs/Web/CSS/font-size\">font-size</a></li><li><a href=\"/ja/docs/Web/CSS/font-size-adjust\">font-size-adjust</a></li><li><a href=\"/ja/docs/Web/CSS/font-smooth\">font-smooth</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/font-stretch\">font-stretch</a></li><li><a href=\"/ja/docs/Web/CSS/font-style\">font-style</a></li><li><a href=\"/ja/docs/Web/CSS/font-synthesis\">font-synthesis</a></li><li><a href=\"/ja/docs/Web/CSS/font-synthesis-position\">font-synthesis-position</a></li><li><a href=\"/ja/docs/Web/CSS/font-synthesis-small-caps\">font-synthesis-small-caps</a></li><li><a href=\"/ja/docs/Web/CSS/font-synthesis-style\">font-synthesis-style</a></li><li><a href=\"/ja/docs/Web/CSS/font-synthesis-weight\">font-synthesis-weight</a></li><li><a href=\"/ja/docs/Web/CSS/font-variant\">font-variant</a></li><li><a href=\"/ja/docs/Web/CSS/font-variant-alternates\">font-variant-alternates</a></li><li><a href=\"/ja/docs/Web/CSS/font-variant-caps\">font-variant-caps</a></li><li><a href=\"/ja/docs/Web/CSS/font-variant-east-asian\">font-variant-east-asian</a></li><li><a href=\"/ja/docs/Web/CSS/font-variant-emoji\">font-variant-emoji</a></li><li><a href=\"/ja/docs/Web/CSS/font-variant-ligatures\">font-variant-ligatures</a></li><li><a href=\"/ja/docs/Web/CSS/font-variant-numeric\">font-variant-numeric</a></li><li><a href=\"/ja/docs/Web/CSS/font-variant-position\">font-variant-position</a></li><li><a href=\"/ja/docs/Web/CSS/font-variation-settings\">font-variation-settings</a></li><li><a href=\"/ja/docs/Web/CSS/font-weight\">font-weight</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/forced-color-adjust\">forced-color-adjust</a></li><li><a href=\"/ja/docs/Web/CSS/gap\">gap</a></li><li class=\"toggle\"><details><summary>grid-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/grid\">grid</a></li><li><a href=\"/ja/docs/Web/CSS/grid-area\">grid-area</a></li><li><a href=\"/ja/docs/Web/CSS/grid-auto-columns\">grid-auto-columns</a></li><li><a href=\"/ja/docs/Web/CSS/grid-auto-flow\">grid-auto-flow</a></li><li><a href=\"/ja/docs/Web/CSS/grid-auto-rows\">grid-auto-rows</a></li><li><a href=\"/ja/docs/Web/CSS/grid-column\">grid-column</a></li><li><a href=\"/ja/docs/Web/CSS/grid-column-end\">grid-column-end</a></li><li><a href=\"/ja/docs/Web/CSS/grid-column-start\">grid-column-start</a></li><li><a href=\"/ja/docs/Web/CSS/grid-row\">grid-row</a></li><li><a href=\"/ja/docs/Web/CSS/grid-row-end\">grid-row-end</a></li><li><a href=\"/ja/docs/Web/CSS/grid-row-start\">grid-row-start</a></li><li><a href=\"/ja/docs/Web/CSS/grid-template\">grid-template</a></li><li><a href=\"/ja/docs/Web/CSS/grid-template-areas\">grid-template-areas</a></li><li><a href=\"/ja/docs/Web/CSS/grid-template-columns\">grid-template-columns</a></li><li><a href=\"/ja/docs/Web/CSS/grid-template-rows\">grid-template-rows</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/hanging-punctuation\">hanging-punctuation</a></li><li><a href=\"/ja/docs/Web/CSS/height\">height</a></li><li><a href=\"/ja/docs/Web/CSS/hyphenate-character\">hyphenate-character</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/hyphenate-limit-chars\">hyphenate-limit-chars</a></li><li><a href=\"/ja/docs/Web/CSS/hyphens\">hyphens</a></li><li class=\"toggle\"><details><summary>image-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/image-orientation\">image-orientation</a></li><li><a href=\"/ja/docs/Web/CSS/image-rendering\">image-rendering</a></li><li><a href=\"/ja/docs/Web/CSS/image-resolution\">image-resolution</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/initial-letter\">initial-letter</a></li><li><a href=\"/ja/docs/Web/CSS/inline-size\">inline-size</a></li><li class=\"toggle\"><details><summary>inset-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/inset\">inset</a></li><li><a href=\"/ja/docs/Web/CSS/inset-block\">inset-block</a></li><li><a href=\"/ja/docs/Web/CSS/inset-block-end\">inset-block-end</a></li><li><a href=\"/ja/docs/Web/CSS/inset-block-start\">inset-block-start</a></li><li><a href=\"/ja/docs/Web/CSS/inset-inline\">inset-inline</a></li><li><a href=\"/ja/docs/Web/CSS/inset-inline-end\">inset-inline-end</a></li><li><a href=\"/ja/docs/Web/CSS/inset-inline-start\">inset-inline-start</a></li></ol></details></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/interpolate-size\">interpolate-size</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/isolation\">isolation</a></li><li class=\"toggle\"><details><summary>justify-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/justify-content\">justify-content</a></li><li><a href=\"/ja/docs/Web/CSS/justify-items\">justify-items</a></li><li><a href=\"/ja/docs/Web/CSS/justify-self\">justify-self</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/left\">left</a></li><li><a href=\"/ja/docs/Web/CSS/letter-spacing\">letter-spacing</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/lighting-color\">lighting-color</a></li><li class=\"toggle\"><details><summary>line-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/line-break\">line-break</a></li><li><a href=\"/ja/docs/Web/CSS/line-height\">line-height</a></li><li><a href=\"/ja/docs/Web/CSS/line-height-step\">line-height-step</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li></ol></details></li><li class=\"toggle\"><details><summary>list-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/list-style\">list-style</a></li><li><a href=\"/ja/docs/Web/CSS/list-style-image\">list-style-image</a></li><li><a href=\"/ja/docs/Web/CSS/list-style-position\">list-style-position</a></li><li><a href=\"/ja/docs/Web/CSS/list-style-type\">list-style-type</a></li></ol></details></li><li class=\"toggle\"><details><summary>margin-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/margin\">margin</a></li><li><a href=\"/ja/docs/Web/CSS/margin-block\">margin-block</a></li><li><a href=\"/ja/docs/Web/CSS/margin-block-end\">margin-block-end</a></li><li><a href=\"/ja/docs/Web/CSS/margin-block-start\">margin-block-start</a></li><li><a href=\"/ja/docs/Web/CSS/margin-bottom\">margin-bottom</a></li><li><a href=\"/ja/docs/Web/CSS/margin-inline\">margin-inline</a></li><li><a href=\"/ja/docs/Web/CSS/margin-inline-end\">margin-inline-end</a></li><li><a href=\"/ja/docs/Web/CSS/margin-inline-start\">margin-inline-start</a></li><li><a href=\"/ja/docs/Web/CSS/margin-left\">margin-left</a></li><li><a href=\"/ja/docs/Web/CSS/margin-right\">margin-right</a></li><li><a href=\"/ja/docs/Web/CSS/margin-top\">margin-top</a></li><li><a href=\"/ja/docs/Web/CSS/margin-trim\">margin-trim</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li></ol></details></li><li class=\"toggle\"><details><summary>marker-*</summary><ol><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/marker\">marker</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/marker-end\">marker-end</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/marker-mid\">marker-mid</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/marker-start\">marker-start</a></li></ol></details></li><li class=\"toggle\"><details><summary>mask-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/mask\">mask</a></li><li><a href=\"/ja/docs/Web/CSS/mask-border\">mask-border</a></li><li><a href=\"/ja/docs/Web/CSS/mask-border-mode\">mask-border-mode</a></li><li><a href=\"/ja/docs/Web/CSS/mask-border-outset\">mask-border-outset</a></li><li><a href=\"/ja/docs/Web/CSS/mask-border-repeat\">mask-border-repeat</a></li><li><a href=\"/ja/docs/Web/CSS/mask-border-slice\">mask-border-slice</a></li><li><a href=\"/ja/docs/Web/CSS/mask-border-source\">mask-border-source</a></li><li><a href=\"/ja/docs/Web/CSS/mask-border-width\">mask-border-width</a></li><li><a href=\"/ja/docs/Web/CSS/mask-clip\">mask-clip</a></li><li><a href=\"/ja/docs/Web/CSS/mask-composite\">mask-composite</a></li><li><a href=\"/ja/docs/Web/CSS/mask-image\">mask-image</a></li><li><a href=\"/ja/docs/Web/CSS/mask-mode\">mask-mode</a></li><li><a href=\"/ja/docs/Web/CSS/mask-origin\">mask-origin</a></li><li><a href=\"/ja/docs/Web/CSS/mask-position\">mask-position</a></li><li><a href=\"/ja/docs/Web/CSS/mask-repeat\">mask-repeat</a></li><li><a href=\"/ja/docs/Web/CSS/mask-size\">mask-size</a></li><li><a href=\"/ja/docs/Web/CSS/mask-type\">mask-type</a></li></ol></details></li><li class=\"toggle\"><details><summary>math-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/math-depth\">math-depth</a></li><li><a href=\"/ja/docs/Web/CSS/math-shift\">math-shift</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/math-style\">math-style</a></li></ol></details></li><li class=\"toggle\"><details><summary>max-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/max-block-size\">max-block-size</a></li><li><a href=\"/ja/docs/Web/CSS/max-height\">max-height</a></li><li><a href=\"/ja/docs/Web/CSS/max-inline-size\">max-inline-size</a></li><li><a href=\"/ja/docs/Web/CSS/max-width\">max-width</a></li></ol></details></li><li class=\"toggle\"><details><summary>min-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/min-block-size\">min-block-size</a></li><li><a href=\"/ja/docs/Web/CSS/min-height\">min-height</a></li><li><a href=\"/ja/docs/Web/CSS/min-inline-size\">min-inline-size</a></li><li><a href=\"/ja/docs/Web/CSS/min-width\">min-width</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/mix-blend-mode\">mix-blend-mode</a></li><li><a href=\"/ja/docs/Web/CSS/object-fit\">object-fit</a></li><li><a href=\"/ja/docs/Web/CSS/object-position\">object-position</a></li><li class=\"toggle\"><details><summary>offset-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/offset\">offset</a></li><li><a href=\"/ja/docs/Web/CSS/offset-anchor\">offset-anchor</a></li><li><a href=\"/ja/docs/Web/CSS/offset-distance\">offset-distance</a></li><li><a href=\"/ja/docs/Web/CSS/offset-path\">offset-path</a></li><li><a href=\"/ja/docs/Web/CSS/offset-position\">offset-position</a></li><li><a href=\"/ja/docs/Web/CSS/offset-rotate\">offset-rotate</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/opacity\">opacity</a></li><li><a href=\"/ja/docs/Web/CSS/order\">order</a></li><li><a href=\"/ja/docs/Web/CSS/orphans\">orphans</a></li><li class=\"toggle\"><details><summary>outline-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/outline\">outline</a></li><li><a href=\"/ja/docs/Web/CSS/outline-color\">outline-color</a></li><li><a href=\"/ja/docs/Web/CSS/outline-offset\">outline-offset</a></li><li><a href=\"/ja/docs/Web/CSS/outline-style\">outline-style</a></li><li><a href=\"/ja/docs/Web/CSS/outline-width\">outline-width</a></li></ol></details></li><li class=\"toggle\"><details><summary>overflow-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/overflow\">overflow</a></li><li><a href=\"/ja/docs/Web/CSS/overflow-anchor\">overflow-anchor</a></li><li><a href=\"/ja/docs/Web/CSS/overflow-block\">overflow-block</a></li><li><a href=\"/ja/docs/Web/CSS/overflow-clip-margin\">overflow-clip-margin</a></li><li><a href=\"/ja/docs/Web/CSS/overflow-inline\">overflow-inline</a></li><li><a href=\"/ja/docs/Web/CSS/overflow-wrap\">overflow-wrap</a></li><li><a href=\"/ja/docs/Web/CSS/overflow-x\">overflow-x</a></li><li><a href=\"/ja/docs/Web/CSS/overflow-y\">overflow-y</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/overlay\">overlay</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li class=\"toggle\"><details><summary>overscroll-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/overscroll-behavior\">overscroll-behavior</a></li><li><a href=\"/ja/docs/Web/CSS/overscroll-behavior-block\">overscroll-behavior-block</a></li><li><a href=\"/ja/docs/Web/CSS/overscroll-behavior-inline\">overscroll-behavior-inline</a></li><li><a href=\"/ja/docs/Web/CSS/overscroll-behavior-x\">overscroll-behavior-x</a></li><li><a href=\"/ja/docs/Web/CSS/overscroll-behavior-y\">overscroll-behavior-y</a></li></ol></details></li><li class=\"toggle\"><details><summary>padding-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/padding\">padding</a></li><li><a href=\"/ja/docs/Web/CSS/padding-block\">padding-block</a></li><li><a href=\"/ja/docs/Web/CSS/padding-block-end\">padding-block-end</a></li><li><a href=\"/ja/docs/Web/CSS/padding-block-start\">padding-block-start</a></li><li><a href=\"/ja/docs/Web/CSS/padding-bottom\">padding-bottom</a></li><li><a href=\"/ja/docs/Web/CSS/padding-inline\">padding-inline</a></li><li><a href=\"/ja/docs/Web/CSS/padding-inline-end\">padding-inline-end</a></li><li><a href=\"/ja/docs/Web/CSS/padding-inline-start\">padding-inline-start</a></li><li><a href=\"/ja/docs/Web/CSS/padding-left\">padding-left</a></li><li><a href=\"/ja/docs/Web/CSS/padding-right\">padding-right</a></li><li><a href=\"/ja/docs/Web/CSS/padding-top\">padding-top</a></li></ol></details></li><li class=\"toggle\"><details><summary>page-*</summary><ol><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/page\">page</a></li><li><a href=\"/ja/docs/Web/CSS/page-break-after\">page-break-after</a></li><li><a href=\"/ja/docs/Web/CSS/page-break-before\">page-break-before</a></li><li><a href=\"/ja/docs/Web/CSS/page-break-inside\">page-break-inside</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/paint-order\">paint-order</a></li><li><a href=\"/ja/docs/Web/CSS/perspective\">perspective</a></li><li><a href=\"/ja/docs/Web/CSS/perspective-origin\">perspective-origin</a></li><li class=\"toggle\"><details><summary>place-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/place-content\">place-content</a></li><li><a href=\"/ja/docs/Web/CSS/place-items\">place-items</a></li><li><a href=\"/ja/docs/Web/CSS/place-self\">place-self</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/pointer-events\">pointer-events</a></li><li class=\"toggle\"><details><summary>position-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/position\">position</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/position-anchor\">position-anchor</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/position-area\">position-area</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/position-try\">position-try</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/position-try-fallbacks\">position-try-fallbacks</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/position-try-order\">position-try-order</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/position-visibility\">position-visibility</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/print-color-adjust\">print-color-adjust</a></li><li><a href=\"/ja/docs/Web/CSS/quotes\">quotes</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/r\">r</a></li><li><a href=\"/ja/docs/Web/CSS/resize\">resize</a></li><li><a href=\"/ja/docs/Web/CSS/right\">right</a></li><li><a href=\"/ja/docs/Web/CSS/rotate\">rotate</a></li><li><a href=\"/ja/docs/Web/CSS/row-gap\">row-gap</a></li><li><a href=\"/ja/docs/Web/CSS/ruby-align\">ruby-align</a></li><li><a href=\"/ja/docs/Web/CSS/ruby-position\">ruby-position</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/rx\">rx</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/ry\">ry</a></li><li><a href=\"/ja/docs/Web/CSS/scale\">scale</a></li><li class=\"toggle\"><details><summary>scroll-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/scroll-behavior\">scroll-behavior</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-margin\">scroll-margin</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-margin-block\">scroll-margin-block</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-margin-block-end\">scroll-margin-block-end</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-margin-block-start\">scroll-margin-block-start</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-margin-bottom\">scroll-margin-bottom</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-margin-inline\">scroll-margin-inline</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-margin-inline-end\">scroll-margin-inline-end</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-margin-inline-start\">scroll-margin-inline-start</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-margin-left\">scroll-margin-left</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-margin-right\">scroll-margin-right</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-margin-top\">scroll-margin-top</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-padding\">scroll-padding</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-padding-block\">scroll-padding-block</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-padding-block-end\">scroll-padding-block-end</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-padding-block-start\">scroll-padding-block-start</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-padding-bottom\">scroll-padding-bottom</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-padding-inline\">scroll-padding-inline</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-padding-inline-end\">scroll-padding-inline-end</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-padding-inline-start\">scroll-padding-inline-start</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-padding-left\">scroll-padding-left</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-padding-right\">scroll-padding-right</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-padding-top\">scroll-padding-top</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-snap-align\">scroll-snap-align</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-snap-stop\">scroll-snap-stop</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-snap-type\">scroll-snap-type</a></li><li><a href=\"/ja/docs/Web/CSS/scroll-timeline\">scroll-timeline</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/scroll-timeline-axis\">scroll-timeline-axis</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/scroll-timeline-name\">scroll-timeline-name</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li></ol></details></li><li class=\"toggle\"><details><summary>scrollbar-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/scrollbar-color\">scrollbar-color</a></li><li><a href=\"/ja/docs/Web/CSS/scrollbar-gutter\">scrollbar-gutter</a></li><li><a href=\"/ja/docs/Web/CSS/scrollbar-width\">scrollbar-width</a></li></ol></details></li><li class=\"toggle\"><details><summary>shape-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/shape-image-threshold\">shape-image-threshold</a></li><li><a href=\"/ja/docs/Web/CSS/shape-margin\">shape-margin</a></li><li><a href=\"/ja/docs/Web/CSS/shape-outside\">shape-outside</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/shape-rendering\">shape-rendering</a></li></ol></details></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/stop-color\">stop-color</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/stop-opacity\">stop-opacity</a></li><li class=\"toggle\"><details><summary>stroke-*</summary><ol><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/stroke\">stroke</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/stroke-dasharray\">stroke-dasharray</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/stroke-dashoffset\">stroke-dashoffset</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/stroke-linecap\">stroke-linecap</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/stroke-linejoin\">stroke-linejoin</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/stroke-miterlimit\">stroke-miterlimit</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/stroke-opacity\">stroke-opacity</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/stroke-width\">stroke-width</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/tab-size\">tab-size</a></li><li><a href=\"/ja/docs/Web/CSS/table-layout\">table-layout</a></li><li class=\"toggle\"><details><summary>text-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/text-align\">text-align</a></li><li><a href=\"/ja/docs/Web/CSS/text-align-last\">text-align-last</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/text-anchor\">text-anchor</a></li><li><a href=\"/ja/docs/Web/CSS/text-combine-upright\">text-combine-upright</a></li><li><a href=\"/ja/docs/Web/CSS/text-decoration\">text-decoration</a></li><li><a href=\"/ja/docs/Web/CSS/text-decoration-color\">text-decoration-color</a></li><li><a href=\"/ja/docs/Web/CSS/text-decoration-line\">text-decoration-line</a></li><li><a href=\"/ja/docs/Web/CSS/text-decoration-skip\">text-decoration-skip</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/text-decoration-skip-ink\">text-decoration-skip-ink</a></li><li><a href=\"/ja/docs/Web/CSS/text-decoration-style\">text-decoration-style</a></li><li><a href=\"/ja/docs/Web/CSS/text-decoration-thickness\">text-decoration-thickness</a></li><li><a href=\"/ja/docs/Web/CSS/text-emphasis\">text-emphasis</a></li><li><a href=\"/ja/docs/Web/CSS/text-emphasis-color\">text-emphasis-color</a></li><li><a href=\"/ja/docs/Web/CSS/text-emphasis-position\">text-emphasis-position</a></li><li><a href=\"/ja/docs/Web/CSS/text-emphasis-style\">text-emphasis-style</a></li><li><a href=\"/ja/docs/Web/CSS/text-indent\">text-indent</a></li><li><a href=\"/ja/docs/Web/CSS/text-justify\">text-justify</a></li><li><a href=\"/ja/docs/Web/CSS/text-orientation\">text-orientation</a></li><li><a href=\"/ja/docs/Web/CSS/text-overflow\">text-overflow</a></li><li><a href=\"/ja/docs/Web/CSS/text-rendering\">text-rendering</a></li><li><a href=\"/ja/docs/Web/CSS/text-shadow\">text-shadow</a></li><li><a href=\"/ja/docs/Web/CSS/text-size-adjust\">text-size-adjust</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/text-spacing-trim\">text-spacing-trim</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/text-transform\">text-transform</a></li><li><a href=\"/ja/docs/Web/CSS/text-underline-offset\">text-underline-offset</a></li><li><a href=\"/ja/docs/Web/CSS/text-underline-position\">text-underline-position</a></li><li><a href=\"/ja/docs/Web/CSS/text-wrap\">text-wrap</a></li><li><a href=\"/ja/docs/Web/CSS/text-wrap-mode\">text-wrap-mode</a></li><li><a href=\"/ja/docs/Web/CSS/text-wrap-style\">text-wrap-style</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/timeline-scope\">timeline-scope</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/top\">top</a></li><li><a href=\"/ja/docs/Web/CSS/touch-action\">touch-action</a></li><li class=\"toggle\"><details><summary>transform-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/transform\">transform</a></li><li><a href=\"/ja/docs/Web/CSS/transform-box\">transform-box</a></li><li><a href=\"/ja/docs/Web/CSS/transform-origin\">transform-origin</a></li><li><a href=\"/ja/docs/Web/CSS/transform-style\">transform-style</a></li></ol></details></li><li class=\"toggle\"><details><summary>transition-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/transition\">transition</a></li><li><a href=\"/ja/docs/Web/CSS/transition-behavior\">transition-behavior</a></li><li><a href=\"/ja/docs/Web/CSS/transition-delay\">transition-delay</a></li><li><a href=\"/ja/docs/Web/CSS/transition-duration\">transition-duration</a></li><li><a href=\"/ja/docs/Web/CSS/transition-property\">transition-property</a></li><li><a href=\"/ja/docs/Web/CSS/transition-timing-function\">transition-timing-function</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/translate\">translate</a></li><li><a href=\"/ja/docs/Web/CSS/unicode-bidi\">unicode-bidi</a></li><li><a href=\"/ja/docs/Web/CSS/user-modify\">user-modify</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/user-select\">user-select</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/vector-effect\">vector-effect</a></li><li><a href=\"/ja/docs/Web/CSS/vertical-align\">vertical-align</a></li><li class=\"toggle\"><details><summary>view-*</summary><ol><li><a href=\"/ja/docs/Web/CSS/view-timeline\">view-timeline</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/view-timeline-axis\">view-timeline-axis</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/view-timeline-inset\">view-timeline-inset</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/view-timeline-name\">view-timeline-name</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/view-transition-name\">view-transition-name</a></li></ol></details></li><li><a href=\"/ja/docs/Web/CSS/visibility\">visibility</a></li><li><a href=\"/ja/docs/Web/CSS/white-space\">white-space</a></li><li><a href=\"/ja/docs/Web/CSS/white-space-collapse\">white-space-collapse</a></li><li><a href=\"/ja/docs/Web/CSS/widows\">widows</a></li><li><a href=\"/ja/docs/Web/CSS/width\">width</a></li><li><a href=\"/ja/docs/Web/CSS/will-change\">will-change</a></li><li><a href=\"/ja/docs/Web/CSS/word-break\">word-break</a></li><li><a href=\"/ja/docs/Web/CSS/word-spacing\">word-spacing</a></li><li><a href=\"/ja/docs/Web/CSS/writing-mode\">writing-mode</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/x\">x</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/y\">y</a></li><li><a href=\"/ja/docs/Web/CSS/z-index\">z-index</a></li><li><a href=\"/ja/docs/Web/CSS/zoom\">zoom</a></li></ol></details></li>\n <li class=\"toggle\"><details><summary>Selectors</summary><ol><li><a href=\"/ja/docs/Web/CSS/Attribute_selectors\">属性セレクター</a></li><li><a href=\"/ja/docs/Web/CSS/Class_selectors\">クラスセレクター</a></li><li><a href=\"/ja/docs/Web/CSS/ID_selectors\">ID セレクター</a></li><li><a href=\"/ja/docs/Web/CSS/Nesting_selector\">& 入れ子セレクター</a></li><li><a href=\"/ja/docs/Web/CSS/Type_selectors\">要素型セレクター</a></li><li><a href=\"/ja/docs/Web/CSS/Universal_selectors\">全称セレクター</a></li></ol></details></li>\n <li class=\"toggle\"><details><summary>Combinators</summary><ol><li><a href=\"/ja/docs/Web/CSS/Child_combinator\">子結合子</a></li><li><a href=\"/ja/docs/Web/CSS/Column_combinator\">列結合子</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/Descendant_combinator\">子孫結合子</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/Namespace_separator\">Namespace separator</a></li><li><a href=\"/ja/docs/Web/CSS/Next-sibling_combinator\">次兄弟結合子</a></li><li><a href=\"/ja/docs/Web/CSS/Selector_list\">セレクターリスト</a></li><li><a href=\"/ja/docs/Web/CSS/Subsequent-sibling_combinator\">後続兄弟結合子</a></li></ol></details></li>\n <li class=\"toggle\"><details><summary>Pseudo-classes</summary><ol><li><a href=\"/ja/docs/Web/CSS/:-moz-broken\">:-moz-broken</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/:-moz-drag-over\">:-moz-drag-over</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/:-moz-first-node\">:-moz-first-node</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:-moz-handler-blocked\">:-moz-handler-blocked</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:-moz-handler-crashed\">:-moz-handler-crashed</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:-moz-handler-disabled\">:-moz-handler-disabled</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/:-moz-last-node\">:-moz-last-node</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/:-moz-loading\">:-moz-loading</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/:-moz-locale-dir_ltr\">:-moz-locale-dir(ltr)</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/:-moz-locale-dir_rtl\">:-moz-locale-dir(rtl)</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/:-moz-only-whitespace\">:-moz-only-whitespace</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/:-moz-submit-invalid\">:-moz-submit-invalid</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:-moz-suppressed\">:-moz-suppressed</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:-moz-user-disabled\">:-moz-user-disabled</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:-moz-window-inactive\">:-moz-window-inactive</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/:active\">:active</a></li><li><a href=\"/ja/docs/Web/CSS/:any-link\">:any-link</a></li><li><a href=\"/ja/docs/Web/CSS/:autofill\">:autofill</a></li><li><a href=\"/ja/docs/Web/CSS/:blank\">:blank</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:buffering\">:buffering</a></li><li><a href=\"/ja/docs/Web/CSS/:checked\">:checked</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:current\">:current</a></li><li><a href=\"/ja/docs/Web/CSS/:default\">:default</a></li><li><a href=\"/ja/docs/Web/CSS/:defined\">:defined</a></li><li><a href=\"/ja/docs/Web/CSS/:dir\">:dir()</a></li><li><a href=\"/ja/docs/Web/CSS/:disabled\">:disabled</a></li><li><a href=\"/ja/docs/Web/CSS/:empty\">:empty</a></li><li><a href=\"/ja/docs/Web/CSS/:enabled\">:enabled</a></li><li><a href=\"/ja/docs/Web/CSS/:first\">:first</a></li><li><a href=\"/ja/docs/Web/CSS/:first-child\">:first-child</a></li><li><a href=\"/ja/docs/Web/CSS/:first-of-type\">:first-of-type</a></li><li><a href=\"/ja/docs/Web/CSS/:focus\">:focus</a></li><li><a href=\"/ja/docs/Web/CSS/:focus-visible\">:focus-visible</a></li><li><a href=\"/ja/docs/Web/CSS/:focus-within\">:focus-within</a></li><li><a href=\"/ja/docs/Web/CSS/:fullscreen\">:fullscreen</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:future\">:future</a></li><li><a href=\"/ja/docs/Web/CSS/:has\">:has()</a></li><li><a href=\"/ja/docs/Web/CSS/:host\">:host</a></li><li><a href=\"/ja/docs/Web/CSS/:host-context\">:host-context()</a></li><li><a href=\"/ja/docs/Web/CSS/:host_function\">:host()</a></li><li><a href=\"/ja/docs/Web/CSS/:hover\">:hover</a></li><li><a href=\"/ja/docs/Web/CSS/:in-range\">:in-range</a></li><li><a href=\"/ja/docs/Web/CSS/:indeterminate\">:indeterminate</a></li><li><a href=\"/ja/docs/Web/CSS/:invalid\">:invalid</a></li><li><a href=\"/ja/docs/Web/CSS/:is\">:is()</a></li><li><a href=\"/ja/docs/Web/CSS/:lang\">:lang()</a></li><li><a href=\"/ja/docs/Web/CSS/:last-child\">:last-child</a></li><li><a href=\"/ja/docs/Web/CSS/:last-of-type\">:last-of-type</a></li><li><a href=\"/ja/docs/Web/CSS/:left\">:left</a></li><li><a href=\"/ja/docs/Web/CSS/:link\">:link</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:local-link\">:local-link</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:modal\">:modal</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:muted\">:muted</a></li><li><a href=\"/ja/docs/Web/CSS/:not\">:not()</a></li><li><a href=\"/ja/docs/Web/CSS/:nth-child\">:nth-child()</a></li><li><a href=\"/ja/docs/Web/CSS/:nth-last-child\">:nth-last-child()</a></li><li><a href=\"/ja/docs/Web/CSS/:nth-last-of-type\">:nth-last-of-type()</a></li><li><a href=\"/ja/docs/Web/CSS/:nth-of-type\">:nth-of-type()</a></li><li><a href=\"/ja/docs/Web/CSS/:only-child\">:only-child</a></li><li><a href=\"/ja/docs/Web/CSS/:only-of-type\">:only-of-type</a></li><li><a href=\"/ja/docs/Web/CSS/:optional\">:optional</a></li><li><a href=\"/ja/docs/Web/CSS/:out-of-range\">:out-of-range</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:past\">:past</a></li><li><a href=\"/ja/docs/Web/CSS/:paused\">:paused</a></li><li><a href=\"/ja/docs/Web/CSS/:picture-in-picture\">:picture-in-picture</a></li><li><a href=\"/ja/docs/Web/CSS/:placeholder-shown\">:placeholder-shown</a></li><li><a href=\"/ja/docs/Web/CSS/:playing\">:playing</a></li><li><a href=\"/ja/docs/Web/CSS/:popover-open\">:popover-open</a></li><li><a href=\"/ja/docs/Web/CSS/:read-only\">:read-only</a></li><li><a href=\"/ja/docs/Web/CSS/:read-write\">:read-write</a></li><li><a href=\"/ja/docs/Web/CSS/:required\">:required</a></li><li><a href=\"/ja/docs/Web/CSS/:right\">:right</a></li><li><a href=\"/ja/docs/Web/CSS/:root\">:root</a></li><li><a href=\"/ja/docs/Web/CSS/:scope\">:scope</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:seeking\">:seeking</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:stalled\">:stalled</a></li><li><a href=\"/ja/docs/Web/CSS/:state\">:state()</a></li><li><a href=\"/ja/docs/Web/CSS/:target\">:target</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:target-within\">:target-within</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/:user-invalid\">:user-invalid (:-moz-ui-invalid)</a></li><li><a href=\"/ja/docs/Web/CSS/:user-valid\">:user-valid (:-moz-ui-valid)</a></li><li><a href=\"/ja/docs/Web/CSS/:valid\">:valid</a></li><li><a href=\"/ja/docs/Web/CSS/:visited\">:visited</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/:volume-locked\">:volume-locked</a></li><li><a href=\"/ja/docs/Web/CSS/:where\">:where()</a></li></ol></details></li>\n <li class=\"toggle\"><details><summary>Pseudo-elements</summary><ol><li><a href=\"/ja/docs/Web/CSS/::-moz-color-swatch\">::-moz-color-swatch</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-moz-focus-inner\">::-moz-focus-inner</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/::-moz-list-bullet\">::-moz-list-bullet</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-moz-list-number\">::-moz-list-number</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-moz-meter-bar\">::-moz-meter-bar</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/::-moz-progress-bar\">::-moz-progress-bar</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-moz-range-progress\">::-moz-range-progress</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-moz-range-thumb\">::-moz-range-thumb</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/::-moz-range-track\">::-moz-range-track</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-webkit-inner-spin-button\">::-webkit-inner-spin-button</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-webkit-meter-bar\">::-webkit-meter-bar</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-webkit-meter-even-less-good-value\">::-webkit-meter-even-less-good-value</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-webkit-meter-inner-element\">::-webkit-meter-inner-element</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-webkit-meter-optimum-value\">::-webkit-meter-optimum-value</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-webkit-meter-suboptimum-value\">::-webkit-meter-suboptimum-value</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-webkit-progress-bar\">::-webkit-progress-bar</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-webkit-progress-inner-element\">::-webkit-progress-inner-element</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/::-webkit-progress-value\">::-webkit-progress-value</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/::-webkit-scrollbar\">::-webkit-scrollbar</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-webkit-search-cancel-button\">::-webkit-search-cancel-button</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::-webkit-search-results-button\">::-webkit-search-results-button</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/::-webkit-slider-runnable-track\">::-webkit-slider-runnable-track</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/::-webkit-slider-thumb\">::-webkit-slider-thumb</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/::after\">::after (:after)</a></li><li><a href=\"/ja/docs/Web/CSS/::backdrop\">::backdrop</a></li><li><a href=\"/ja/docs/Web/CSS/::before\">::before (:before)</a></li><li><a href=\"/ja/docs/Web/CSS/::cue\">::cue</a></li><li><a href=\"/ja/docs/Web/CSS/::file-selector-button\">::file-selector-button</a></li><li><a href=\"/ja/docs/Web/CSS/::first-letter\">::first-letter</a></li><li><a href=\"/ja/docs/Web/CSS/::first-line\">::first-line (:first-line)</a></li><li><a href=\"/ja/docs/Web/CSS/::grammar-error\">::grammar-error</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/::highlight\">::highlight()</a></li><li><a href=\"/ja/docs/Web/CSS/::marker\">::marker</a></li><li><a href=\"/ja/docs/Web/CSS/::part\">::part()</a></li><li><a href=\"/ja/docs/Web/CSS/::placeholder\">::placeholder</a></li><li><a href=\"/ja/docs/Web/CSS/::selection\">::selection</a></li><li><a href=\"/ja/docs/Web/CSS/::slotted\">::slotted()</a></li><li><a href=\"/ja/docs/Web/CSS/::spelling-error\">::spelling-error</a></li><li><a href=\"/ja/docs/Web/CSS/::target-text\">::target-text</a></li><li><a href=\"/ja/docs/Web/CSS/::view-transition\">::view-transition</a></li><li><a href=\"/ja/docs/Web/CSS/::view-transition-group\">::view-transition-group</a></li><li><a href=\"/ja/docs/Web/CSS/::view-transition-image-pair\">::view-transition-image-pair</a></li><li><a href=\"/ja/docs/Web/CSS/::view-transition-new\">::view-transition-new</a></li><li><a href=\"/ja/docs/Web/CSS/::view-transition-old\">::view-transition-old</a></li></ol></details></li>\n <li class=\"toggle\"><details><summary>At-rules</summary><ol><li><a href=\"/ja/docs/Web/CSS/@charset\">@charset</a></li><li><a href=\"/ja/docs/Web/CSS/@color-profile\">@color-profile</a></li><li><a href=\"/ja/docs/Web/CSS/@container\">@container</a></li><li><a href=\"/ja/docs/Web/CSS/@counter-style\">@counter-style</a></li><li><a href=\"/ja/docs/Web/CSS/@document\">@document</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/@font-face\">@font-face</a></li><li><a href=\"/ja/docs/Web/CSS/@font-feature-values\">@font-feature-values</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/@font-palette-values\">@font-palette-values</a></li><li><a href=\"/ja/docs/Web/CSS/@import\">@import</a></li><li><a href=\"/ja/docs/Web/CSS/@keyframes\">@keyframes</a></li><li><a href=\"/ja/docs/Web/CSS/@layer\">@layer</a></li><li><a href=\"/ja/docs/Web/CSS/@media\">@media</a></li><li><a href=\"/ja/docs/Web/CSS/@namespace\">@namespace</a></li><li><a href=\"/ja/docs/Web/CSS/@page\">@page</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/@position-try\">@position-try</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/@property\">@property</a></li><li><a href=\"/ja/docs/Web/CSS/@scope\">@scope</a></li><li><a href=\"/ja/docs/Web/CSS/@starting-style\">@starting-style</a></li><li><a href=\"/ja/docs/Web/CSS/@supports\">@supports</a></li><li><a href=\"/ja/docs/Web/CSS/@view-transition\">@view-transition</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li></ol></details></li>\n <li class=\"toggle\"><details><summary>Functions</summary><ol><li><a href=\"/ja/docs/Web/CSS/-moz-image-rect\">-moz-image-rect</a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/abs\">abs()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/acos\">acos()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/anchor-size\">anchor-size()</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/anchor\">anchor()</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/asin\">asin()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/atan\">atan()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/atan2\">atan2()</a></li><li><a href=\"/ja/docs/Web/CSS/attr\">attr()</a></li><li><a href=\"/ja/docs/Web/CSS/filter-function/blur\">blur()</a></li><li><a href=\"/ja/docs/Web/CSS/filter-function/brightness\">brightness()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/calc-size\">calc-size()</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/calc\">calc()</a></li><li><a href=\"/ja/docs/Web/CSS/basic-shape/circle\">circle()</a></li><li><a href=\"/ja/docs/Web/CSS/clamp\">clamp()</a></li><li><a href=\"/ja/docs/Web/CSS/color_value/color-contrast\">color-contrast()</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/color_value/color-mix\">color-mix()</a></li><li><a href=\"/ja/docs/Web/CSS/color_value/color\">color()</a></li><li><a href=\"/ja/docs/Web/CSS/gradient/conic-gradient\">conic-gradient()</a></li><li><a href=\"/ja/docs/Web/CSS/filter-function/contrast\">contrast()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/cos\">cos()</a></li><li><a href=\"/ja/docs/Web/CSS/counter\">counter()</a></li><li><a href=\"/ja/docs/Web/CSS/counters\">counters()</a></li><li><a href=\"/ja/docs/Web/CSS/cross-fade\">cross-fade()</a></li><li><a href=\"/ja/docs/Web/CSS/color_value/device-cmyk\">device-cmyk()</a></li><li><a href=\"/ja/docs/Web/CSS/filter-function/drop-shadow\">drop-shadow()</a></li><li><a href=\"/ja/docs/Web/CSS/element\">element()</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/basic-shape/ellipse\">ellipse()</a></li><li><a href=\"/ja/docs/Web/CSS/env\">env()</a></li><li><a href=\"/ja/docs/Web/CSS/exp\">exp()</a></li><li><a href=\"/ja/docs/Web/CSS/fit-content_function\">fit-content()</a></li><li><a href=\"/ja/docs/Web/CSS/filter-function/grayscale\">grayscale()</a></li><li><a href=\"/ja/docs/Web/CSS/color_value/hsl\">hsl()</a></li><li><a href=\"/ja/docs/Web/CSS/filter-function/hue-rotate\">hue-rotate()</a></li><li><a href=\"/ja/docs/Web/CSS/color_value/hwb\">hwb()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/hypot\">hypot()</a></li><li><a href=\"/ja/docs/Web/CSS/image/image-set\">image-set()</a></li><li><a href=\"/ja/docs/Web/CSS/image/image\">image()</a></li><li><a href=\"/ja/docs/Web/CSS/basic-shape/inset\">inset()</a></li><li><a href=\"/ja/docs/Web/CSS/filter-function/invert\">invert()</a></li><li><a href=\"/ja/docs/Web/CSS/color_value/lab\">lab()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/@import/layer_function\">layer()</a></li><li><a href=\"/ja/docs/Web/CSS/color_value/lch\">lch()</a></li><li><a href=\"/ja/docs/Web/CSS/color_value/light-dark\">light-dark()</a></li><li><a href=\"/ja/docs/Web/CSS/gradient/linear-gradient\">linear-gradient()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/log\">log()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/matrix\">matrix()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/matrix3d\">matrix3d()</a></li><li><a href=\"/ja/docs/Web/CSS/max\">max()</a></li><li><a href=\"/ja/docs/Web/CSS/min\">min()</a></li><li><a href=\"/ja/docs/Web/CSS/minmax\">minmax()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/mod\">mod()</a></li><li><a href=\"/ja/docs/Web/CSS/color_value/oklab\">oklab()</a></li><li><a href=\"/ja/docs/Web/CSS/color_value/oklch\">oklch()</a></li><li><a href=\"/ja/docs/Web/CSS/filter-function/opacity\">opacity()</a></li><li><a href=\"/ja/docs/Web/CSS/image/paint\">paint()</a></li><li><a href=\"/ja/docs/Web/CSS/font-palette/palette-mix\">palette-mix()</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/basic-shape/path\">path()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/perspective\">perspective()</a></li><li><a href=\"/ja/docs/Web/CSS/basic-shape/polygon\">polygon()</a></li><li><a href=\"/ja/docs/Web/CSS/pow\">pow()</a></li><li><a href=\"/ja/docs/Web/CSS/gradient/radial-gradient\">radial-gradient()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/ray\">ray()</a></li><li><a href=\"/ja/docs/Web/CSS/basic-shape/rect\">rect()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/rem\">rem()</a></li><li><a href=\"/ja/docs/Web/CSS/repeat\">repeat()</a></li><li><a href=\"/ja/docs/Web/CSS/gradient/repeating-conic-gradient\">repeating-conic-gradient()</a></li><li><a href=\"/ja/docs/Web/CSS/gradient/repeating-linear-gradient\">repeating-linear-gradient()</a></li><li><a href=\"/ja/docs/Web/CSS/gradient/repeating-radial-gradient\">repeating-radial-gradient()</a></li><li><a href=\"/ja/docs/Web/CSS/color_value/rgb\">rgb()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/rotate\">rotate()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/rotate3d\">rotate3d()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/rotateX\">rotateX()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/rotateY\">rotateY()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/rotateZ\">rotateZ()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/round\">round()</a></li><li><a href=\"/ja/docs/Web/CSS/filter-function/saturate\">saturate()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/scale\">scale()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/scale3d\">scale3d()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/scaleX\">scaleX()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/scaleY\">scaleY()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/scaleZ\">scaleZ()</a></li><li><a href=\"/ja/docs/Web/CSS/animation-timeline/scroll\">scroll()</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/filter-function/sepia\">sepia()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/basic-shape/shape\">shape()</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/sign\">sign()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/sin\">sin()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/skew\">skew()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/skewX\">skewX()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/skewY\">skewY()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/sqrt\">sqrt()</a></li><li><a href=\"/ja/docs/Web/CSS/symbols\">symbols()</a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/tan\">tan()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/translate\">translate()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/translate3d\">translate3d()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/translateX\">translateX()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/translateY\">translateY()</a></li><li><a href=\"/ja/docs/Web/CSS/transform-function/translateZ\">translateZ()</a></li><li><a href=\"/ja/docs/Web/CSS/url_function\">url()</a></li><li><a href=\"/ja/docs/Web/CSS/var\">var()</a></li><li><a href=\"/ja/docs/Web/CSS/animation-timeline/view\">view()</a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/basic-shape/xywh\">xywh()</a></li></ol></details></li>\n <li class=\"toggle\"><details><summary>Types</summary><ol><li><a href=\"/ja/docs/Web/CSS/absolute-size\"><absolute-size></a></li><li><a href=\"/ja/docs/Web/CSS/alpha-value\"><alpha-value></a></li><li><a href=\"/ja/docs/Web/CSS/angle\"><angle></a></li><li><a href=\"/ja/docs/Web/CSS/angle-percentage\"><angle-percentage></a></li><li><a href=\"/ja/docs/Web/CSS/basic-shape\"><basic-shape></a></li><li><a href=\"/ja/docs/Web/CSS/blend-mode\"><blend-mode></a></li><li><a href=\"/ja/docs/Web/CSS/box-edge\"><box-edge></a></li><li><a href=\"/ja/docs/Web/CSS/calc-keyword\"><calc-keyword></a></li><li><a href=\"/ja/docs/Web/CSS/calc-sum\"><calc-sum></a></li><li><a href=\"/ja/docs/Web/CSS/color-interpolation-method\"><color-interpolation-method></a></li><li><a href=\"/ja/docs/Web/CSS/color_value\"><color></a></li><li><a href=\"/ja/docs/Web/CSS/custom-ident\"><custom-ident></a></li><li><a href=\"/ja/docs/Web/CSS/dashed-ident\"><dashed-ident></a></li><li><a href=\"/ja/docs/Web/CSS/dimension\"><dimension></a></li><li><a href=\"/ja/docs/Web/CSS/display-box\"><display-box></a></li><li><a href=\"/ja/docs/Web/CSS/display-inside\"><display-inside></a></li><li><a href=\"/ja/docs/Web/CSS/display-internal\"><display-internal></a></li><li><a href=\"/ja/docs/Web/CSS/display-legacy\"><display-legacy></a></li><li><a href=\"/ja/docs/Web/CSS/display-listitem\"><display-listitem></a></li><li><a href=\"/ja/docs/Web/CSS/display-outside\"><display-outside></a></li><li><a href=\"/ja/docs/Web/CSS/easing-function\"><easing-function></a></li><li><a href=\"/ja/docs/Web/CSS/filter-function\"><filter-function></a></li><li><a href=\"/ja/docs/Web/CSS/flex_value\"><flex></a></li><li><a href=\"/ja/docs/Web/CSS/frequency\"><frequency></a></li><li><a href=\"/ja/docs/Web/CSS/frequency-percentage\"><frequency-percentage></a></li><li><a href=\"/ja/docs/Web/CSS/generic-family\"><generic-family></a></li><li><a href=\"/ja/docs/Web/CSS/gradient\"><gradient></a></li><li><a href=\"/ja/docs/Web/CSS/hex-color\"><hex-color></a></li><li><a href=\"/ja/docs/Web/CSS/hue\"><hue></a></li><li><a href=\"/ja/docs/Web/CSS/hue-interpolation-method\"><hue-interpolation-method></a></li><li><a href=\"/ja/docs/Web/CSS/ident\"><ident></a></li><li><a href=\"/ja/docs/Web/CSS/image\"><image></a></li><li><a href=\"/ja/docs/Web/CSS/integer\"><integer></a></li><li><a href=\"/ja/docs/Web/CSS/length\"><length></a></li><li><a href=\"/ja/docs/Web/CSS/length-percentage\"><length-percentage></a></li><li><a href=\"/ja/docs/Web/CSS/line-style\"><line-style></a></li><li><a href=\"/ja/docs/Web/CSS/named-color\"><named-color></a></li><li><a href=\"/ja/docs/Web/CSS/number\"><number></a></li><li><a href=\"/ja/docs/Web/CSS/overflow_value\"><overflow></a></li><li><a href=\"/ja/docs/Web/CSS/percentage\"><percentage></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/position-area_value\"><position-area></a></li><li><a href=\"/ja/docs/Web/CSS/position_value\"><position></a></li><li><a href=\"/ja/docs/Web/CSS/ratio\"><ratio></a></li><li><a href=\"/ja/docs/Web/CSS/relative-size\"><relative-size></a></li><li><a href=\"/ja/docs/Web/CSS/resolution\"><resolution></a></li><li><a href=\"/ja/docs/Web/CSS/shape\"><shape></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/CSS/string\"><string></a></li><li><a href=\"/ja/docs/Web/CSS/system-color\"><system-color></a></li><li><a href=\"/ja/docs/Web/CSS/time\"><time></a></li><li><a href=\"/ja/docs/Web/CSS/time-percentage\"><time-percentage></a></li><li><a href=\"/ja/docs/Web/CSS/transform-function\"><transform-function></a></li><li><a href=\"/ja/docs/Web/CSS/url_value\"><url></a></li></ol></details></li>\n\n <li class=\"section no-link\">Guides</li>\n <li class=\"toggle\">\n <details>\n <summary>Animations</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_animations/Using_CSS_animations\">Using CSS animations</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Backgrounds and Borders</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_backgrounds_and_borders/Using_multiple_backgrounds\">Using multiple backgrounds</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_backgrounds_and_borders/Resizing_background_images\">Resizing background images</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Box alignment</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_box_alignment/Box_alignment_in_block_abspos_tables\">Box alignment in block layout</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_box_alignment/Box_alignment_in_flexbox\">Box alignment in flexbox</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_box_alignment/Box_alignment_in_grid_layout\">Box alignment in grid layout</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_box_alignment/Box_alignment_in_multi-column_layout\">Box alignment in multi-column layout</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Box model</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_box_model/Introduction_to_the_CSS_box_model\">Introduction to the CSS basic box model</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_box_model/Mastering_margin_collapsing\">Mastering margin collapsing</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Colors</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_colors/Applying_color\">Applying color to HTML elements</a></li>\n <li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/CSS_colors/Color_values\">Color values</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_colors/Relative_colors\">相対色の使用</a></li>\n <li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/CSS_colors/Using_color_wisely\">Using color wisely</a></li>\n <li><a href=\"/ja/docs/Web/Accessibility/Understanding_Colors_and_Luminance\">Accessibility: Understanding colors and luminance</a></li>\n <li><a href=\"/ja/docs/Web/Accessibility/Understanding_WCAG/Perceivable/Color_contrast\">Accessibility: Color contrast</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Columns</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_multicol_layout/Basic_concepts\">Basic concepts of Multicol</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_multicol_layout/Styling_columns\">Styling columns</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_multicol_layout/Spanning_balancing_columns\">Spanning and balancing</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_multicol_layout/Handling_overflow_in_multicol_layout\">Handling overflow in Multicol</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_multicol_layout/Handling_content_breaks_in_multicol_layout\">Content breaks in Multicol</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Conditional rules</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_conditional_rules/Using_feature_queries\">Using feature queries</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Containment</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_containment/Using_CSS_containment\">CSS 拘束の使用</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_containment/Container_queries\">CSS コンテナークエリー</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_containment/Container_size_and_style_queries\">コンテナーのサイズおよびスタイルクエリーの使用</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>CSSOM view</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSSOM_view/Coordinate_systems\">Coordinate systems</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>フレックスボックス</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_flexible_box_layout/Basic_concepts_of_flexbox\">Basic concepts of Flexbox</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_flexible_box_layout/Relationship_of_flexbox_to_other_layout_methods\">Comparison with other layout methods</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_flexible_box_layout/Aligning_items_in_a_flex_container\">Aligning items in a flex container</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_flexible_box_layout/Ordering_flex_items\">Ordering flex items</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_flexible_box_layout/Controlling_ratios_of_flex_items_along_the_main_axis\">Controlling flex item ratios</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_flexible_box_layout/Mastering_wrapping_of_flex_items\">Mastering wrapping of flex items</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_flexible_box_layout/Typical_use_cases_of_flexbox\">Typical use cases of Flexbox</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Flow layout</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_flow_layout/Block_and_inline_layout_in_normal_flow\">Block and Inline layout in normal flow</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_flow_layout/In_flow_and_out_of_flow\">In flow and Out of flow</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_flow_layout/Introduction_to_formatting_contexts\">Formatting contexts explained</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_flow_layout/Flow_layout_and_writing_modes\">Flow layout and writing modes</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_flow_layout/Flow_layout_and_overflow\">Flow layout and overflow</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Fonts</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_fonts/OpenType_fonts_guide\">OpenType font features guide</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_fonts/Variable_fonts_guide\">Variable fonts guide</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Grid</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Basic_concepts_of_grid_layout\">Basics concepts of grid layout</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Relationship_of_grid_layout_with_other_layout_methods\">Relationship to other layout methods</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Grid_layout_using_line-based_placement\">Line-based placement</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Grid_template_areas\">Grid template areas</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Grid_layout_using_named_grid_lines\">Layout using named grid lines</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Auto-placement_in_grid_layout\">Auto-placement in grid layout</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Box_alignment_in_grid_layout\">Box alignment in grid layout</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Grids_logical_values_and_writing_modes\">Grids, logical values and writing modes</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Grid_layout_and_accessibility\">Grid layout and accessibility</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Grid_layout_and_progressive_enhancement\">Grid Layout and progressive enhancement</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Realizing_common_layouts_using_grids\">Realizing common layouts using grids</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Subgrid\">Subgrid</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_grid_layout/Masonry_layout\">Masonry layout</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Images</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_images/Using_CSS_gradients\">Using CSS gradients</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Lists and counters</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_counter_styles/Using_CSS_counters\">Using CSS counters</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_lists/Consistent_list_indentation\">Consistent list indentation</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Logical properties</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_logical_properties_and_values/Basic_concepts_of_logical_properties_and_values\">Basic concepts</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_logical_properties_and_values/Floating_and_positioning\">Floating and positioning</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_logical_properties_and_values/Margins_borders_padding\">Margins, borders and padding</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_logical_properties_and_values/Sizing\">Sizing</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Math functions</summary>\n <ol>\n <li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/CSS/CSS_Functions/Using_CSS_math_functions\">Using CSS math functions</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Media queries</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_media_queries/Using_media_queries\">Using media queries</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_media_queries/Using_media_queries_for_accessibility\">Using media queries for accessibility</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_media_queries/Testing_media_queries\">Testing media queries programmatically</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_media_queries/Printing\">Printing</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Nesting style rules</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_nesting/Using_CSS_nesting\">Using CSS nesting</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_nesting/Nesting_at-rules\">Nesting at-rules</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_nesting/Nesting_and_specificity\">Nesting and specificity</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>位置指定</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_positioned_layout/Understanding_z-index\">Understanding CSS z-index</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Scroll snap</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_scroll_snap/Basic_concepts\">Basic concepts of scroll snap</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Shapes</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_shapes/Overview_of_shapes\">Overview of shapes</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_shapes/From_box_values\">Shapes from box values</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_shapes/Basic_shapes\">Basic shapes</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_shapes/Shapes_from_images\">Shapes from images</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Text</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_text/Wrapping_breaking_text\">Wrapping and breaking text</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Transforms</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_transforms/Using_CSS_transforms\">Using transforms</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Transitions</summary>\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_transitions/Using_CSS_transitions\">Using transitions</a></li>\n </ol>\n </details>\n </li>\n\n <li class=\"section\"><a href=\"/ja/docs/Web/CSS/Layout_cookbook\">Layout cookbook</a></li>\n <li class=\"toggle\">\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/Layout_cookbook/Media_objects\">Media objects</a></li>\n <li><a href=\"/ja/docs/Web/CSS/Layout_cookbook/Column_layouts\">Columns</a></li>\n <li><a href=\"/ja/docs/Web/CSS/Layout_cookbook/Center_an_element\">Center an element</a></li>\n <li><a href=\"/ja/docs/Web/CSS/Layout_cookbook/Sticky_footers\">Sticky footers</a></li>\n <li><a href=\"/ja/docs/Web/CSS/Layout_cookbook/Split_Navigation\">Split navigation</a></li>\n <li><a href=\"/ja/docs/Web/CSS/Layout_cookbook/Breadcrumb_Navigation\">Breadcrumb navigation</a></li>\n <li><a href=\"/ja/docs/Web/CSS/Layout_cookbook/List_group_with_badges\">List group with badges</a></li>\n <li><a href=\"/ja/docs/Web/CSS/Layout_cookbook/Pagination\">Pagination</a></li>\n <li><a href=\"/ja/docs/Web/CSS/Layout_cookbook/Card\">Card</a></li>\n <li><a href=\"/ja/docs/Web/CSS/Layout_cookbook/Grid_wrapper\">Grid wrapper</a></li>\n </ol>\n </li>\n\n <li class=\"section no-link\">Tools</li>\n <li class=\"toggle\">\n <ol>\n <li><a href=\"/ja/docs/Web/CSS/CSS_colors/Color_picker_tool\">Color picker</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_backgrounds_and_borders/Box-shadow_generator\">Box shadow generator</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_backgrounds_and_borders/Border-image_generator\">Border image generator</a></li>\n <li><a href=\"/ja/docs/Web/CSS/CSS_backgrounds_and_borders/Border-radius_generator\">Border radius generator</a></li>\n </ol>\n </li>\n\n</ol>\n\n","sidebarMacro":"CSSRef","body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p><strong><code>content</code></strong> は <a href=\"/ja/docs/Web/CSS\">CSS</a> のプロパティで、ある要素を生成された値で置き換えます。 <code>content</code> プロパティを使用して挿入されたオブジェクトは、<strong>無名の<a href=\"/ja/docs/Web/CSS/Replaced_element\">置換要素</a></strong> になります。</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">css</span></div><pre class=\"brush: css notranslate\"><code>/* 他の値と組み合わせることができないキーワード */\ncontent: normal;\ncontent: none;\n\n/* <image> 値 */\ncontent: url(\"http://www.example.com/test.png\");\ncontent: linear-gradient(#e66465, #9198e5);\ncontent: image-set(\"image1x.png\" 1x, \"image2x.png\" 2x);\n\n/* 生成コンテンツの代替テキスト、レベル 3 の仕様書で追加 */\ncontent: url(\"http://www.example.com/test.png\") / \"This is the alt text\";\n\n/* <string> 値 */\ncontent: \"prefix\";\n\n/* <counter> 値、任意で <list-style-type> */\ncontent: counter(chapter_counter);\ncontent: counter(chapter_counter, upper-roman);\ncontent: counters(section_counter, \".\");\ncontent: counters(section_counter, \".\", decimal-leading-zero);\n\n/* HTML 属性値にリンクした attr() 値 */\ncontent: attr(value string);\n\n/* 言語や位置に依存したキーワード */\ncontent: open-quote;\ncontent: close-quote;\ncontent: no-open-quote;\ncontent: no-close-quote;\n\n/* normal と none を除き、複数の値が同時に使用可 */\ncontent: open-quote counter(chapter_counter);\n\n/* グローバル値 */\ncontent: inherit;\ncontent: initial;\ncontent: revert;\ncontent: unset;\n</code></pre></div>"}},{"type":"prose","value":{"id":"試してみましょう","title":"試してみましょう","isH3":false,"content":"<iframe class=\"interactive is-tabbed-shorter-height\" height=\"200\" src=\"https://interactive-examples.mdn.mozilla.net/pages/tabbed/content.html\" title=\"MDN Web Docs Interactive Example\" allow=\"clipboard-write\" loading=\"lazy\"></iframe>"}},{"type":"prose","value":{"id":"構文","title":"構文","isH3":false,"content":""}},{"type":"prose","value":{"id":"値","title":"値","isH3":true,"content":"<dl>\n <dt id=\"none\"><a href=\"#none\"><code>none</code></a></dt>\n <dd>\n <p>擬似要素に適用された場合は、その擬似要素は生成されません。要素に適用された場合は、この値は効果がありません。</p>\n </dd>\n <dt id=\"normal\"><a href=\"#normal\"><code>normal</code></a></dt>\n <dd>\n <p><code>::before</code> および <code>::after</code> 擬似要素では <code>none</code> として計算されます。</p>\n </dd>\n <dt id=\"string\"><a href=\"/ja/docs/Web/CSS/string\"><code><string></code></a></dt>\n <dd>\n <p>要素の「代替テキスト」を指定します。この値は任意の数のテキスト文字です。ラテン文字以外は Unicode エスケープシーケンスを使用してエンコードする必要があります。例えば、 <code>\\000A9</code> は著作権記号を表します。</p>\n </dd>\n <dt id=\"image\"><a href=\"/ja/docs/Web/CSS/image\"><code><image></code></a></dt>\n <dd>\n <p><a href=\"/ja/docs/Web/CSS/image\"><code><image></code></a> です。 <a href=\"/ja/docs/Web/CSS/url_value\"><code><url()></code></a> または <a href=\"/ja/docs/Web/CSS/gradient\"><code><gradient></code></a> データ型、または <a href=\"/ja/docs/Web/CSS/element\"><code>element()</code></a> 関数で定義されるウェブページの一部です。</p>\n </dd>\n <dt id=\"counter\"><a href=\"/ja/docs/Web/CSS/counter\"><code>counter()</code></a></dt>\n <dd>\n <p><a href=\"/ja/docs/Web/CSS/CSS_counter_styles/Using_CSS_counters\">CSS カウンター</a>の値で、通常は <a href=\"/ja/docs/Web/CSS/counter-reset\"><code><counter-reset></code></a> および <a href=\"/ja/docs/Web/CSS/counter-increment\"><code><counter-increment></code></a> プロパティで定義され、計算によって生み出される数値です。 <a href=\"/ja/docs/Web/CSS/counter\"><code>counter()</code></a> または <a href=\"/ja/docs/Web/CSS/counters\"><code>counters()</code></a> 関数を使用して表示することができます。</p>\n <p><a href=\"/ja/docs/Web/CSS/counter\"><code>counter()</code></a> 関数には、 'counter(<em>名前</em>)' または 'counter(<em>名前</em>, スタイル)' の二つの形式があります。生成されるテキストは、その擬似要素のスコープにおけるその名前の最も内側のカウンターです。<a href=\"/ja/docs/Web/CSS/list-style-type\"><code><list-style-type></code></a> で指定されたスタイルで整形されます (<code>decimal</code> が既定値です)。</p>\n <p><a href=\"/ja/docs/Web/CSS/counters\"><code>counters()</code></a> 関数も、 'counters(<em>名前</em>, <em>文字列</em>)' または 'counters(<em>名前</em>, <em>文字列</em>, <em>スタイル</em>)' の二つの形式があります。生成されるテキストは、その擬似要素のスコープにおけるその名前のすべてのカウンターの値であり、外側から内側に向けて、指定された文字列で区切られます。カウンターは指定されたスタイルで表示されます(<code>decimal</code> が既定値です)。</p>\n </dd>\n <dt id=\"attrx\"><a href=\"#attrx\"><code>attr(x)</code></a></dt>\n <dd>\n <p>要素の属性の値 <code>x</code> を文字列として返します。属性 <code>x</code> が存在しない場合は、空文字列が返されます。属性名の大文字と小文字が区別されるかどうかは、文書の言語に依存します。</p>\n </dd>\n <dt id=\"open-quote\"><a href=\"#open-quote\"><code>open-quote</code></a> | <code>close-quote</code></dt>\n <dd>\n <p>これらの値は <a href=\"/ja/docs/Web/CSS/quotes\"><code>quotes</code></a> プロパティの対応する文字列に置き換えられます。</p>\n </dd>\n <dt id=\"no-open-quote\"><a href=\"#no-open-quote\"><code>no-open-quote</code></a> | <code>no-close-quote</code></dt>\n <dd>\n <p>内容はありませんが、引用符の入れ子の階層を増加 (または減少) させます。</p>\n </dd>\n</dl>"}},{"type":"prose","value":{"id":"アクセシビリティの考慮","title":"アクセシビリティの考慮","isH3":false,"content":"<p>CSS で生成されるコンテンツは、 <a href=\"/ja/docs/Web/API/Document_Object_Model/Introduction\">DOM</a> には含まれません。そのため、これは<a href=\"/ja/docs/Learn/Accessibility/What_is_accessibility#accessibility_apis\">アクセシビリティツリー</a>では表現されず、支援技術とブラウザーの組み合わせによってはアナウンスされないことがあります。そのコンテンツがページの目的を理解する上で重要な情報を含んでいるのであれば、メイン文書に含めたほうが適切です。</p>\n<ul>\n <li><a href=\"https://tink.uk/accessibility-support-for-css-generated-content/\" class=\"external\" target=\"_blank\">Accessibility support for CSS generated content – Tink</a></li>\n <li><a href=\"/ja/docs/Web/Accessibility/Understanding_WCAG/Perceivable#%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3_1.3_%E2%80%94_%E3%81%95%E3%81%BE%E3%81%96%E3%81%BE%E3%81%AA%E6%96%B9%E6%B3%95%E3%81%A7%E6%8F%90%E7%A4%BA%E3%81%A7%E3%81%8D%E3%82%8B%E3%82%B3%E3%83%B3%E3%83%86%E3%83%B3%E3%83%84%E3%81%AE%E4%BD%9C%E6%88%90\">WCAG の解説、ガイドライン 1.3 – MDN</a></li>\n <li><a href=\"https://www.w3.org/TR/UNDERSTANDING-WCAG20/content-structure-separation-programmatic.html\" class=\"external\" target=\"_blank\">Understanding Success Criterion 1.3.1 | W3C Understanding WCAG 2.0</a></li>\n</ul>"}},{"type":"prose","value":{"id":"公式定義","title":"公式定義","isH3":false,"content":"<figure class=\"table-container\"><table class=\"properties\"><tbody><tr><th scope=\"row\"><a href=\"/ja/docs/Web/CSS/initial_value\">初期値</a></th><td><code>normal</code></td></tr><tr><th scope=\"row\">適用対象</th><td>すべての要素、ツリーに現れる擬似要素、ページのマージンボックス</td></tr><tr><th scope=\"row\"><a href=\"/ja/docs/Web/CSS/Inheritance\">継承</a></th><td>なし</td></tr><tr><th scope=\"row\"><a href=\"/ja/docs/Web/CSS/computed_value\">計算値</a></th><td>要素の場合は、常に <code>normal</code> と計算される。 <a href=\"/ja/docs/Web/CSS/::before\"><code>::before</code></a> および <a href=\"/ja/docs/Web/CSS/::after\"><code>::after</code></a> の場合、 <code>normal</code> が指定されていれば計算値は <code>none</code>。それ以外の場合、 URI 値の場合は絶対 URI、 <code>attr()</code> 値の場合は結果の文字列、その他のキーワードについては指定通り。</td></tr><tr><th scope=\"row\"><a href=\"/ja/docs/Web/CSS/CSS_animated_properties\">アニメーションの種類</a></th><td>離散値</td></tr></tbody></table></figure>"}},{"type":"prose","value":{"id":"形式文法","title":"形式文法","isH3":false,"content":"<pre class=\"notranslate\"><span class=\"token property\" id=\"content\">content = </span><br> <span class=\"token keyword\">normal</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">none</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">[</a> <span class=\"token property\"><content-replacement></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a> <span class=\"token property\"><content-list></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">]</a> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">[</a> / <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">[</a> <a href=\"/ja/docs/Web/CSS/string\"><span class=\"token property\"><string></span></a> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a> <span class=\"token property\"><counter></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a> <span class=\"token property\"><attr()></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">]</a><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#plus\" title=\"Plus: the entity may occur one or several times\">+</a> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">]</a><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#question_mark\" title=\"Question mark: the entity is optional\">?</a> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token property\"><element()></span> <br><br><span class=\"token property\" id=\"<content-replacement>\"><content-replacement> = </span><br> <span class=\"token property\"><image></span> <br><br><span class=\"token property\" id=\"<content-list>\"><content-list> = </span><br> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">[</a> <a href=\"/ja/docs/Web/CSS/string\"><span class=\"token property\"><string></span></a> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a> <span class=\"token property\"><counter()></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a> <span class=\"token property\"><counters()></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a> <span class=\"token property\"><content()></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a> <span class=\"token property\"><attr()></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">]</a><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#plus\" title=\"Plus: the entity may occur one or several times\">+</a> <br><br><span class=\"token property\" id=\"<counter>\"><counter> = </span><br> <span class=\"token property\"><counter()></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token property\"><counters()></span> <br><br><span class=\"token property\" id=\"<attr()>\"><attr()> = </span><br> <span class=\"token function\">attr(</span> <span class=\"token property\"><attr-name></span> <span class=\"token property\"><attr-type></span><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#question_mark\" title=\"Question mark: the entity is optional\">?</a> , <a class=\"page-not-created\" title=\"この項目についての文書はまだ書かれていません。書いてみませんか？\" data-href=\"/ja/docs/Web/CSS/declaration-value\"><span class=\"token property\"><declaration-value></span></a><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#question_mark\" title=\"Question mark: the entity is optional\">?</a> <span class=\"token function\">)</span> <br><br><span class=\"token property\" id=\"<element()>\"><element()> = </span><br> <span class=\"token function\">element(</span> <span class=\"token property\"><id-selector></span> <span class=\"token function\">)</span> <br><br><span class=\"token property\" id=\"<image>\"><image> = </span><br> <span class=\"token property\"><url></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <a href=\"/ja/docs/Web/CSS/gradient\"><span class=\"token property\"><gradient></span></a> <br><br><span class=\"token property\" id=\"<counter()>\"><counter()> = </span><br> <span class=\"token function\">counter(</span> <a class=\"page-not-created\" title=\"この項目についての文書はまだ書かれていません。書いてみませんか？\" data-href=\"/ja/docs/Web/CSS/counter-name\"><span class=\"token property\"><counter-name></span></a> , <span class=\"token property\"><counter-style></span><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#question_mark\" title=\"Question mark: the entity is optional\">?</a> <span class=\"token function\">)</span> <br><br><span class=\"token property\" id=\"<counters()>\"><counters()> = </span><br> <span class=\"token function\">counters(</span> <a class=\"page-not-created\" title=\"この項目についての文書はまだ書かれていません。書いてみませんか？\" data-href=\"/ja/docs/Web/CSS/counter-name\"><span class=\"token property\"><counter-name></span></a> , <a href=\"/ja/docs/Web/CSS/string\"><span class=\"token property\"><string></span></a> , <span class=\"token property\"><counter-style></span><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#question_mark\" title=\"Question mark: the entity is optional\">?</a> <span class=\"token function\">)</span> <br><br><span class=\"token property\" id=\"<content()>\"><content()> = </span><br> <span class=\"token function\">content(</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">[</a> <span class=\"token keyword\">text</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a> <span class=\"token keyword\">before</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a> <span class=\"token keyword\">after</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a> <span class=\"token keyword\">first-letter</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a> <span class=\"token keyword\">marker</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">]</a><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#question_mark\" title=\"Question mark: the entity is optional\">?</a> <span class=\"token function\">)</span> <br><br><span class=\"token property\" id=\"<attr-name>\"><attr-name> = </span><br> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">[</a> <a class=\"page-not-created\" title=\"この項目についての文書はまだ書かれていません。書いてみませんか？\" data-href=\"/ja/docs/Web/CSS/ident-token\"><span class=\"token property\"><ident-token></span></a> '|' <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">]</a><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#question_mark\" title=\"Question mark: the entity is optional\">?</a> <a class=\"page-not-created\" title=\"この項目についての文書はまだ書かれていません。書いてみませんか？\" data-href=\"/ja/docs/Web/CSS/ident-token\"><span class=\"token property\"><ident-token></span></a> <br><br><span class=\"token property\" id=\"<attr-type>\"><attr-type> = </span><br> <span class=\"token function\">type(</span> <span class=\"token property\"><syntax></span> <span class=\"token function\">)</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">string</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <a class=\"page-not-created\" title=\"この項目についての文書はまだ書かれていません。書いてみませんか？\" data-href=\"/ja/docs/Web/CSS/attr-unit\"><span class=\"token property\"><attr-unit></span></a> <br><br><span class=\"token property\" id=\"<id-selector>\"><id-selector> = </span><br> <a class=\"page-not-created\" title=\"この項目についての文書はまだ書かれていません。書いてみませんか？\" data-href=\"/ja/docs/Web/CSS/hash-token\"><span class=\"token property\"><hash-token></span></a> <br><br><span class=\"token property\" id=\"<url>\"><url> = </span><br> <span class=\"token property\"><url()></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token property\"><src()></span> <br><br><span class=\"token property\" id=\"<counter-style>\"><counter-style> = </span><br> <a class=\"page-not-created\" title=\"この項目についての文書はまだ書かれていません。書いてみませんか？\" data-href=\"/ja/docs/Web/CSS/counter-style-name\"><span class=\"token property\"><counter-style-name></span></a> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token property\"><symbols()></span> <br><br><span class=\"token property\" id=\"<syntax>\"><syntax> = </span><br> '*' <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token property\"><syntax-component></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">[</a> <span class=\"token property\"><syntax-combinator></span> <span class=\"token property\"><syntax-component></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">]</a><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#asterisk\" title=\"Asterisk: the entity may occur zero, one or several times\">*</a> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token property\"><syntax-string></span> <br><br><span class=\"token property\" id=\"<url()>\"><url()> = </span><br> <span class=\"token function\">url(</span> <a href=\"/ja/docs/Web/CSS/string\"><span class=\"token property\"><string></span></a> <a class=\"page-not-created\" title=\"この項目についての文書はまだ書かれていません。書いてみませんか？\" data-href=\"/ja/docs/Web/CSS/url-modifier\"><span class=\"token property\"><url-modifier></span></a><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#asterisk\" title=\"Asterisk: the entity may occur zero, one or several times\">*</a> <span class=\"token function\">)</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <a class=\"page-not-created\" title=\"この項目についての文書はまだ書かれていません。書いてみませんか？\" data-href=\"/ja/docs/Web/CSS/url-token\"><span class=\"token property\"><url-token></span></a> <br><br><span class=\"token property\" id=\"<src()>\"><src()> = </span><br> <span class=\"token function\">src(</span> <a href=\"/ja/docs/Web/CSS/string\"><span class=\"token property\"><string></span></a> <a class=\"page-not-created\" title=\"この項目についての文書はまだ書かれていません。書いてみませんか？\" data-href=\"/ja/docs/Web/CSS/url-modifier\"><span class=\"token property\"><url-modifier></span></a><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#asterisk\" title=\"Asterisk: the entity may occur zero, one or several times\">*</a> <span class=\"token function\">)</span> <br><br><span class=\"token property\" id=\"<symbols()>\"><symbols()> = </span><br> <span class=\"token function\">symbols(</span> <span class=\"token property\"><symbols-type></span><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#question_mark\" title=\"Question mark: the entity is optional\">?</a> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">[</a> <a href=\"/ja/docs/Web/CSS/string\"><span class=\"token property\"><string></span></a> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a> <span class=\"token property\"><image></span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#brackets\" title=\"Brackets: enclose several entities, combinators, and multipliers to transform them as a single component\">]</a><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#plus\" title=\"Plus: the entity may occur one or several times\">+</a> <span class=\"token function\">)</span> <br><br><span class=\"token property\" id=\"<syntax-component>\"><syntax-component> = </span><br> <span class=\"token property\"><syntax-single-component></span> <span class=\"token property\"><syntax-multiplier></span><a href=\"/ja/docs/Web/CSS/Value_definition_syntax#question_mark\" title=\"Question mark: the entity is optional\">?</a> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> '<' <span class=\"token keyword\">transform-list</span> '>' <br><br><span class=\"token property\" id=\"<syntax-combinator>\"><syntax-combinator> = </span><br> '|' <br><br><span class=\"token property\" id=\"<syntax-string>\"><syntax-string> = </span><br> <a href=\"/ja/docs/Web/CSS/string\"><span class=\"token property\"><string></span></a> <br><br><span class=\"token property\" id=\"<symbols-type>\"><symbols-type> = </span><br> <span class=\"token keyword\">cyclic</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">numeric</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">alphabetic</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">symbolic</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">fixed</span> <br><br><span class=\"token property\" id=\"<syntax-single-component>\"><syntax-single-component> = </span><br> '<' <span class=\"token property\"><syntax-type-name></span> '>' <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <a href=\"/ja/docs/Web/CSS/ident\"><span class=\"token property\"><ident></span></a> <br><br><span class=\"token property\" id=\"<syntax-multiplier>\"><syntax-multiplier> = </span><br> '#' <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> '+' <br><br><span class=\"token property\" id=\"<syntax-type-name>\"><syntax-type-name> = </span><br> <span class=\"token keyword\">angle</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">color</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">custom-ident</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">image</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">integer</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">length</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">length-percentage</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">number</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">percentage</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">resolution</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">string</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">time</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">url</span> <a href=\"/ja/docs/Web/CSS/Value_definition_syntax#single_bar\" title=\"Single bar: exactly one of the entities must be present\">|</a><br> <span class=\"token keyword\">transform-function</span> <br><br></pre>"}},{"type":"prose","value":{"id":"例","title":"例","isH3":false,"content":""}},{"type":"prose","value":{"id":"見出しと引用符","title":"見出しと引用符","isH3":true,"content":"<p>この例では引用部分の周りに引用符を挿入し、見出しの前に \"Chapter\" の語を追加します。</p>\n<h4 id=\"html\">HTML</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><h1>5</h1>\n<p>\n According to Sir Tim Berners-Lee,\n <q cite=\"http://www.w3.org/People/Berners-Lee/FAQ.html#Internet\"\n >I was lucky enough to invent the Web at the time when the Internet already\n existed - and had for a decade and a half.</q\n >\n We must understand that there is nothing fundamentally wrong with building on\n the contributions of others.\n</p>\n\n<h1>6</h1>\n<p>\n According to the Mozilla Manifesto,\n <q cite=\"http://www.mozilla.org/en-US/about/manifesto/\"\n >Individuals must have the ability to shape the Internet and their own\n experiences on the Internet.</q\n >\n Therefore, we can infer that contributing to the open web can protect our own\n individual experiences on it.\n</p>\n</code></pre></div>\n<h4 id=\"css\">CSS</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">css</span></div><pre class=\"brush: css notranslate\"><code>q {\n color: blue;\n}\n\nq::before {\n content: open-quote;\n}\n\nq::after {\n content: close-quote;\n}\n\nh1::before {\n content: \"Chapter \"; /* 最後の空白は、追加コンテンツと\n 残りのコンテンツの間を区切る\n ものです */\n}\n</code></pre></div>\n<h4 id=\"結果\">結果</h4><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Headings and quotes sample\" id=\"frame_headings_and_quotes\" width=\"100%\" height=\"200\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/CSS/content\" data-live-id=\"headings_and_quotes\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"テキストと組み合わせる画像","title":"テキストと組み合わせる画像","isH3":true,"content":"<p>この例はリンクの前に画像を挿入します。画像が見つからなければ、代わりにテキストを挿入します。</p>\n<h4 id=\"html_2\">HTML</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><a href=\"https://www.mozilla.org/en-US/\">Mozilla Home Page</a>\n</code></pre></div>\n<h4 id=\"css_2\">CSS</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">css</span></div><pre class=\"brush: css notranslate\"><code>a::before {\n content: url(\"https://mozorg.cdn.mozilla.net/media/img/favicon.ico\") /\n \" MOZILLA: \";\n font:\n x-small Arial,\n sans-serif;\n color: gray;\n}\n</code></pre></div>\n<h4 id=\"結果_2\">結果</h4><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Image combined with text sample\" id=\"frame_image_combined_with_text\" width=\"100%\" height=\"60\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/CSS/content\" data-live-id=\"image_combined_with_text\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"クラスのターゲッティング","title":"クラスのターゲッティング","isH3":true,"content":"<p>この例はリストの特定の項目の後に追加のテキストを挿入します。</p>\n<h4 id=\"html_3\">HTML</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><h2>Paperback Best Sellers</h2>\n<ol>\n <li>Political Thriller</li>\n <li class=\"new-entry\">Halloween Stories</li>\n <li>My Biography</li>\n <li class=\"new-entry\">Vampire Romance</li>\n</ol>\n</code></pre></div>\n<h4 id=\"css_3\">CSS</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">css</span></div><pre class=\"brush: css notranslate\"><code>.new-entry::after {\n content: \" New!\"; /* 先頭の空白は、追加コンテンツと\n 残りのコンテンツの間を区切る\n ものです */\n color: red;\n}\n</code></pre></div>\n<h4 id=\"結果_3\">結果</h4><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Targeting classes sample\" id=\"frame_targeting_classes\" width=\"100%\" height=\"160\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/CSS/content\" data-live-id=\"targeting_classes\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"画像および要素の属性","title":"画像および要素の属性","isH3":true,"content":"<p>この例はそれぞれのリンクの前に画像を挿入し、後に <code>id</code> 属性を追加します。</p>\n<h4 id=\"html_4\">HTML</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><ul>\n <li><a id=\"moz\" href=\"https://www.mozilla.org/\"> Mozilla Home Page</a></li>\n <li>\n <a id=\"mdn\" href=\"https://developer.mozilla.org/\">\n Mozilla Developer Network</a\n >\n </li>\n</ul>\n</code></pre></div>\n<h4 id=\"css_4\">CSS</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">css</span></div><pre class=\"brush: css notranslate\"><code>a {\n text-decoration: none;\n border-bottom: 3px dotted navy;\n}\n\na::after {\n content: \" (\" attr(id) \")\";\n}\n\n#moz::before {\n content: url(\"https://mozorg.cdn.mozilla.net/media/img/favicon.ico\");\n}\n\n#mdn::before {\n content: url(\"mdn-favicon16.png\");\n}\n\nli {\n margin: 1em;\n}\n</code></pre></div>\n<h4 id=\"結果_4\">結果</h4><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Images and element attributes sample\" id=\"frame_images_and_element_attributes\" width=\"100%\" height=\"160\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/CSS/content\" data-live-id=\"images_and_element_attributes\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"要素の置き換え","title":"要素の置き換え","isH3":true,"content":"<p>この例は、要素の内容を画像で置き換えます。要素の内容を <a href=\"/ja/docs/Web/CSS/url_value\"><code><url()></code></a> または <a href=\"/ja/docs/Web/CSS/image\"><code><image></code></a> の値のどちらかで置き換えることができます。 <code>::before</code> または <code>::after</code> で追加された内容は、要素の中身が置き換えられるときは生成されません。</p>\n<h4 id=\"html_5\">HTML</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><div id=\"replaced\">Mozilla</div>\n</code></pre></div>\n<h4 id=\"css_5\">CSS</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">css</span></div><pre class=\"brush: css notranslate\"><code>#replaced {\n content: url(\"mdn.svg\");\n}\n\n#replaced::after {\n /* 要素の置換に対応している場合は表示されない */\n content: \" (\" attr(id) \")\";\n}\n</code></pre></div>\n<h4 id=\"結果_5\">結果</h4><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Element replacement sample\" id=\"frame_element_replacement\" width=\"100%\" height=\"200\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/CSS/content\" data-live-id=\"element_replacement\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"specifications","value":{"title":"仕様書","id":"仕様書","isH3":false,"specifications":[{"bcdSpecificationURL":"https://drafts.csswg.org/css-content/#content-property","title":"CSS Generated Content Module Level 3"}],"query":"css.properties.content"}},{"type":"browser_compatibility","value":{"title":"ブラウザーの互換性","id":"ブラウザーの互換性","isH3":false,"query":"css.properties.content"}},{"type":"prose","value":{"id":"関連情報","title":"関連情報","isH3":false,"content":"<ul>\n <li><a href=\"/ja/docs/Web/CSS/Replaced_element\">置換要素</a></li>\n <li><a href=\"/ja/docs/Web/CSS/::after\"><code>::after</code></a></li>\n <li><a href=\"/ja/docs/Web/CSS/::before\"><code>::before</code></a></li>\n <li><a href=\"/ja/docs/Web/CSS/::marker\"><code>::marker</code></a></li>\n <li><a href=\"/ja/docs/Web/CSS/quotes\"><code>quotes</code></a></li>\n <li><a href=\"/ja/docs/Web/CSS/url_value\"><code>url()</code></a> 関数</li>\n</ul>"}}],"toc":[{"text":"試してみましょう","id":"試してみましょう"},{"text":"構文","id":"構文"},{"text":"アクセシビリティの考慮","id":"アクセシビリティの考慮"},{"text":"公式定義","id":"公式定義"},{"text":"形式文法","id":"形式文法"},{"text":"例","id":"例"},{"text":"仕様書","id":"仕様書"},{"text":"ブラウザーの互換性","id":"ブラウザーの互換性"},{"text":"関連情報","id":"関連情報"}],"summary":"content は CSS のプロパティで、ある要素を生成された値で置き換えます。 content プロパティを使用して挿入されたオブジェクトは、無名の置換要素になります。","popularity":0,"modified":"2023-12-13T15:48:01.000Z","other_translations":[{"locale":"de","title":"content","native":"Deutsch"},{"locale":"en-US","title":"content","native":"English (US)"},{"locale":"es","title":"content","native":"Español"},{"locale":"fr","title":"content","native":"Français"},{"locale":"ko","title":"content","native":"한국어"},{"locale":"pt-BR","title":"content","native":"Português (do Brasil)"},{"locale":"ru","title":"content","native":"Русский"},{"locale":"zh-CN","title":"content","native":"中文 (简体)"}],"pageType":"unknown","source":{"folder":"ja/web/css/content","github_url":"https://github.com/mdn/translated-content/blob/main/files/ja/web/css/content/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/502d7402cd559c61e19b6751a955422bc9c22c92","filename":"index.md"},"short_title":"content","parents":[{"uri":"/ja/docs/Web","title":"開発者向けのウェブ技術"},{"uri":"/ja/docs/Web/CSS","title":"CSS: カスケーディングスタイルシート"},{"uri":"/ja/docs/Web/CSS/content","title":"content"}],"pageTitle":"content - CSS: カスケーディングスタイルシート | MDN","noIndexing":false}}</script></body></html>