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ウェブページのメタデータ</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/Headings_and_paragraphs">HTML の見出しと段落</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/Emphasis_and_importance">強調と重要性</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/Lists">リスト</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/Structuring_documents">文書とウェブサイトの構造</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features">高度なテキスト装飾</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/Creating_links">リンクの作成</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/Marking_up_a_letter">課題: 手紙のマークアップ</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/Structuring_a_page_of_content">課題: コンテンツのページの構造化</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/HTML_images">HTML の画像</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/HTML_video_and_audio">動画と音声のコンテンツ</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/Mozilla_splash_page">Mozilla のスプラッシュページ</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/HTML_table_basics">HTML の表の基本</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/Table_accessibility">HTML 表のアクセシビリティ</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/Planet_data_table">課題: 惑星データの構造化</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/HTML_forms">HTML におけるフォームとボタン</a></li><li><a href="/ja/docs/Learn_web_development/Core/Structuring_content/Debugging_HTML">HTML のデバッグ</a></li></ol></details></li></ol></details></li><li class="toggle"><details><summary>ガイド</summary><ol><li><a href="/ja/docs/Web/HTML/Content_categories">コンテンツカテゴリー</a></li><li><a href="/ja/docs/Glossary/Block-level_content">ブロックレベル要素</a></li><li><a href="/ja/docs/Glossary/Inline-level_content">インライン要素</a></li><li><a href="/ja/docs/Web/HTML/Quirks_Mode_and_Standards_Mode">互換モードと標準モード</a></li><li><a href="/ja/docs/Web/HTML/Date_and_time_formats">HTML で使用される日付と時刻の形式</a></li><li><a href="/ja/docs/Web/HTML/Constraint_validation">制約検証</a></li><li><a href="/ja/docs/Web/HTML/Microdata">Microdata</a></li><li><a href="/ja/docs/Web/HTML/microformats">Microformats</a></li><li><a href="/ja/docs/Web/HTML/Viewport_meta_tag">ビューポートメタタグ</a></li><li><a href="/ja/docs/Web/HTML/CORS_enabled_image">別オリジンの画像とキャンバスを利用可能にする</a></li></ol></details></li><li class="section"><a href="/ja/docs/Web/HTML/Reference">リファレンス</a></li><li class="toggle"><details open=""><summary>HTML 要素</summary><ol><li><a href="/ja/docs/Web/HTML/Element/a"><code><a></code></a></li><li><a href="/ja/docs/Web/HTML/Element/abbr"><code><abbr></code></a></li><li><a href="/ja/docs/Web/HTML/Element/acronym"><code><acronym></code></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/HTML/Element/address"><code><address></code></a></li><li><a href="/ja/docs/Web/HTML/Element/area"><code><area></code></a></li><li><a href="/ja/docs/Web/HTML/Element/article"><code><article></code></a></li><li><a href="/ja/docs/Web/HTML/Element/aside"><code><aside></code></a></li><li><a href="/ja/docs/Web/HTML/Element/audio"><code><audio></code></a></li><li><a href="/ja/docs/Web/HTML/Element/b"><code><b></code></a></li><li><a href="/ja/docs/Web/HTML/Element/base"><code><base></code></a></li><li><a href="/ja/docs/Web/HTML/Element/bdi"><code><bdi></code></a></li><li><a href="/ja/docs/Web/HTML/Element/bdo"><code><bdo></code></a></li><li><a href="/ja/docs/Web/HTML/Element/big"><code><big></code></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/HTML/Element/blockquote"><code><blockquote></code></a></li><li><a href="/ja/docs/Web/HTML/Element/body"><code><body></code></a></li><li><a href="/ja/docs/Web/HTML/Element/br"><code><br></code></a></li><li><a href="/ja/docs/Web/HTML/Element/button"><code><button></code></a></li><li><a href="/ja/docs/Web/HTML/Element/canvas"><code><canvas></code></a></li><li><a href="/ja/docs/Web/HTML/Element/caption"><code><caption></code></a></li><li><a href="/ja/docs/Web/HTML/Element/center"><code><center></code></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/HTML/Element/cite"><code><cite></code></a></li><li><a href="/ja/docs/Web/HTML/Element/code"><code><code></code></a></li><li><a href="/ja/docs/Web/HTML/Element/col"><code><col></code></a></li><li><a href="/ja/docs/Web/HTML/Element/colgroup"><code><colgroup></code></a></li><li><a href="/ja/docs/Web/HTML/Element/data"><code><data></code></a></li><li><a href="/ja/docs/Web/HTML/Element/datalist"><code><datalist></code></a></li><li><a href="/ja/docs/Web/HTML/Element/dd"><code><dd></code></a></li><li><a href="/ja/docs/Web/HTML/Element/del"><code><del></code></a></li><li><a href="/ja/docs/Web/HTML/Element/details"><code><details></code></a></li><li><a href="/ja/docs/Web/HTML/Element/dfn"><code><dfn></code></a></li><li><a href="/ja/docs/Web/HTML/Element/dialog"><code><dialog></code></a></li><li><a href="/ja/docs/Web/HTML/Element/dir"><code><dir></code></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/HTML/Element/div"><code><div></code></a></li><li><a href="/ja/docs/Web/HTML/Element/dl"><code><dl></code></a></li><li><a href="/ja/docs/Web/HTML/Element/dt"><code><dt></code></a></li><li><a href="/ja/docs/Web/HTML/Element/em"><code><em></code></a></li><li><a href="/ja/docs/Web/HTML/Element/embed"><code><embed></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/fencedframe" class="only-in-en-us"><code><fencedframe></code></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/HTML/Element/fieldset"><code><fieldset></code></a></li><li><a href="/ja/docs/Web/HTML/Element/figcaption"><code><figcaption></code></a></li><li><a href="/ja/docs/Web/HTML/Element/figure"><code><figure></code></a></li><li><a href="/ja/docs/Web/HTML/Element/font"><code><font></code></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/HTML/Element/footer"><code><footer></code></a></li><li><a href="/ja/docs/Web/HTML/Element/form"><code><form></code></a></li><li><a href="/ja/docs/Web/HTML/Element/frame"><code><frame></code></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/HTML/Element/frameset"><code><frameset></code></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/HTML/Element/Heading_Elements"><code><h1></code></a></li><li><a href="/ja/docs/Web/HTML/Element/head"><code><head></code></a></li><li><a href="/ja/docs/Web/HTML/Element/header"><code><header></code></a></li><li><a href="/ja/docs/Web/HTML/Element/hgroup"><code><hgroup></code></a></li><li><a href="/ja/docs/Web/HTML/Element/hr"><code><hr></code></a></li><li><a href="/ja/docs/Web/HTML/Element/html"><code><html></code></a></li><li><a href="/ja/docs/Web/HTML/Element/i"><code><i></code></a></li><li><a href="/ja/docs/Web/HTML/Element/iframe"><code><iframe></code></a></li><li><a href="/ja/docs/Web/HTML/Element/img"><code><img></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input"><code><input></code></a></li><li><a href="/ja/docs/Web/HTML/Element/ins"><code><ins></code></a></li><li><a href="/ja/docs/Web/HTML/Element/kbd"><code><kbd></code></a></li><li><a href="/ja/docs/Web/HTML/Element/label"><code><label></code></a></li><li><a href="/ja/docs/Web/HTML/Element/legend"><code><legend></code></a></li><li><a href="/ja/docs/Web/HTML/Element/li"><code><li></code></a></li><li><a href="/ja/docs/Web/HTML/Element/link"><code><link></code></a></li><li><a href="/ja/docs/Web/HTML/Element/main"><code><main></code></a></li><li><a href="/ja/docs/Web/HTML/Element/map"><code><map></code></a></li><li><a href="/ja/docs/Web/HTML/Element/mark"><code><mark></code></a></li><li><a href="/ja/docs/Web/HTML/Element/marquee"><code><marquee></code></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/HTML/Element/menu"><code><menu></code></a></li><li><a href="/ja/docs/Web/HTML/Element/meta"><code><meta></code></a></li><li><a href="/ja/docs/Web/HTML/Element/meter"><code><meter></code></a></li><li><a href="/ja/docs/Web/HTML/Element/nav"><code><nav></code></a></li><li><a href="/ja/docs/Web/HTML/Element/nobr"><code><nobr></code></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/HTML/Element/noembed"><code><noembed></code></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/HTML/Element/noframes"><code><noframes></code></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/HTML/Element/noscript"><code><noscript></code></a></li><li><a href="/ja/docs/Web/HTML/Element/object"><code><object></code></a></li><li><em><a href="/ja/docs/Web/HTML/Element/ol" aria-current="page"><code><ol></code></a></em></li><li><a href="/ja/docs/Web/HTML/Element/optgroup"><code><optgroup></code></a></li><li><a href="/ja/docs/Web/HTML/Element/option"><code><option></code></a></li><li><a href="/ja/docs/Web/HTML/Element/output"><code><output></code></a></li><li><a href="/ja/docs/Web/HTML/Element/p"><code><p></code></a></li><li><a href="/ja/docs/Web/HTML/Element/param"><code><param></code></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/HTML/Element/picture"><code><picture></code></a></li><li><a href="/ja/docs/Web/HTML/Element/plaintext"><code><plaintext></code></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/HTML/Element/pre"><code><pre></code></a></li><li><a href="/ja/docs/Web/HTML/Element/progress"><code><progress></code></a></li><li><a href="/ja/docs/Web/HTML/Element/q"><code><q></code></a></li><li><a href="/ja/docs/Web/HTML/Element/rb"><code><rb></code></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/HTML/Element/rp"><code><rp></code></a></li><li><a href="/ja/docs/Web/HTML/Element/rt"><code><rt></code></a></li><li><a href="/ja/docs/Web/HTML/Element/rtc"><code><rtc></code></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/HTML/Element/ruby"><code><ruby></code></a></li><li><a href="/ja/docs/Web/HTML/Element/s"><code><s></code></a></li><li><a href="/ja/docs/Web/HTML/Element/samp"><code><samp></code></a></li><li><a href="/ja/docs/Web/HTML/Element/script"><code><script></code></a></li><li><a href="/ja/docs/Web/HTML/Element/search"><code><search></code></a></li><li><a href="/ja/docs/Web/HTML/Element/section"><code><section></code></a></li><li><a href="/ja/docs/Web/HTML/Element/select"><code><select></code></a></li><li><a href="/ja/docs/Web/HTML/Element/slot"><code><slot></code></a></li><li><a href="/ja/docs/Web/HTML/Element/small"><code><small></code></a></li><li><a href="/ja/docs/Web/HTML/Element/source"><code><source></code></a></li><li><a href="/ja/docs/Web/HTML/Element/span"><code><span></code></a></li><li><a href="/ja/docs/Web/HTML/Element/strike"><code><strike></code></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/HTML/Element/strong"><code><strong></code></a></li><li><a href="/ja/docs/Web/HTML/Element/style"><code><style></code></a></li><li><a href="/ja/docs/Web/HTML/Element/sub"><code><sub></code></a></li><li><a href="/ja/docs/Web/HTML/Element/summary"><code><summary></code></a></li><li><a href="/ja/docs/Web/HTML/Element/sup"><code><sup></code></a></li><li><a href="/ja/docs/Web/HTML/Element/table"><code><table></code></a></li><li><a href="/ja/docs/Web/HTML/Element/tbody"><code><tbody></code></a></li><li><a href="/ja/docs/Web/HTML/Element/td"><code><td></code></a></li><li><a href="/ja/docs/Web/HTML/Element/template"><code><template></code></a></li><li><a href="/ja/docs/Web/HTML/Element/textarea"><code><textarea></code></a></li><li><a href="/ja/docs/Web/HTML/Element/tfoot"><code><tfoot></code></a></li><li><a href="/ja/docs/Web/HTML/Element/th"><code><th></code></a></li><li><a href="/ja/docs/Web/HTML/Element/thead"><code><thead></code></a></li><li><a href="/ja/docs/Web/HTML/Element/time"><code><time></code></a></li><li><a href="/ja/docs/Web/HTML/Element/title"><code><title></code></a></li><li><a href="/ja/docs/Web/HTML/Element/tr"><code><tr></code></a></li><li><a href="/ja/docs/Web/HTML/Element/track"><code><track></code></a></li><li><a href="/ja/docs/Web/HTML/Element/tt"><code><tt></code></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/HTML/Element/u"><code><u></code></a></li><li><a href="/ja/docs/Web/HTML/Element/ul"><code><ul></code></a></li><li><a href="/ja/docs/Web/HTML/Element/var"><code><var></code></a></li><li><a href="/ja/docs/Web/HTML/Element/video"><code><video></code></a></li><li><a href="/ja/docs/Web/HTML/Element/wbr"><code><wbr></code></a></li><li><a href="/ja/docs/Web/HTML/Element/xmp"><code><xmp></code></a><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>グローバル属性</summary><ol><li><a href="/ja/docs/Web/HTML/Global_attributes/accesskey"><code>accesskey</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/anchor"><code>anchor</code></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">非標準</span> </abbr></li><li><a href="/ja/docs/Web/HTML/Global_attributes/autocapitalize"><code>autocapitalize</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/autocorrect"><code>autocorrect</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/autofocus"><code>autofocus</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/class"><code>class</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/contenteditable"><code>contenteditable</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/data-*"><code>data-*</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/dir"><code>dir</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/draggable"><code>draggable</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/enterkeyhint"><code>enterkeyhint</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/exportparts"><code>exportparts</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/hidden"><code>hidden</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/id"><code>id</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/inert"><code>inert</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/inputmode"><code>inputmode</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/is"><code>is</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/itemid"><code>itemid</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/itemprop"><code>itemprop</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/itemref"><code>itemref</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/itemscope"><code>itemscope</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/itemtype"><code>itemtype</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/lang"><code>lang</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/nonce"><code>nonce</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/part"><code>part</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/popover"><code>popover</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/slot"><code>slot</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/spellcheck"><code>spellcheck</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/style"><code>style</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/tabindex"><code>tabindex</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/title"><code>title</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/translate"><code>translate</code></a></li><li><a href="/ja/docs/Web/HTML/Global_attributes/virtualkeyboardpolicy"><code>virtualkeyboardpolicy</code></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/HTML/Global_attributes/writingsuggestions"><code>writingsuggestions</code></a></li></ol></details></li><li class="toggle"><details><summary>属性</summary><ol><li><a href="/ja/docs/Web/HTML/Attributes/accept">HTML 属性: accept</a></li><li><a href="/ja/docs/Web/HTML/Attributes/autocomplete">autocomplete</a></li><li><a href="/ja/docs/Web/HTML/Attributes/capture">HTML 属性: capture</a></li><li><a href="/ja/docs/Web/HTML/Attributes/crossorigin">HTML 属性: crossorigin</a></li><li><a href="/ja/docs/Web/HTML/Attributes/dirname">HTML 属性: dirname</a></li><li><a href="/ja/docs/Web/HTML/Attributes/disabled">HTML 属性: disabled</a></li><li><a href="/ja/docs/Web/HTML/Attributes/elementtiming">HTML 属性: elementtiming</a></li><li><a href="/ja/docs/Web/HTML/Attributes/for">HTML 属性: for</a></li><li><a href="/ja/docs/Web/HTML/Attributes/max">max</a></li><li><a href="/ja/docs/Web/HTML/Attributes/maxlength">maxlength</a></li><li><a href="/ja/docs/Web/HTML/Attributes/min">min</a></li><li><a href="/ja/docs/Web/HTML/Attributes/minlength">minlength</a></li><li><a href="/ja/docs/Web/HTML/Attributes/multiple">multiple</a></li><li><a href="/ja/docs/Web/HTML/Attributes/pattern">pattern</a></li><li><a href="/ja/docs/Web/HTML/Attributes/placeholder">HTML 属性: placeholder</a></li><li><a href="/ja/docs/Web/HTML/Attributes/readonly">HTML 属性: readonly</a></li><li><a href="/ja/docs/Web/HTML/Attributes/rel">rel</a></li><li><a href="/ja/docs/Web/HTML/Attributes/required">required</a></li><li><a href="/ja/docs/Web/HTML/Attributes/size">HTML 属性: size</a></li><li><a href="/ja/docs/Web/HTML/Attributes/step">step</a></li></ol></details></li><li class="toggle"><details><summary><code><input></code> 型</summary><ol><li><a href="/ja/docs/Web/HTML/Element/input/button"><code><input type="button"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/checkbox"><code><input type="checkbox"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/color"><code><input type="color"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/date"><code><input type="date"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/datetime-local"><code><input type="datetime-local"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/email"><code><input type="email"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/file"><code><input type="file"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/hidden"><code><input type="hidden"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/image"><code><input type="image"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/month"><code><input type="month"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/number"><code><input type="number"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/password"><code><input type="password"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/radio"><code><input type="radio"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/range"><code><input type="range"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/reset"><code><input type="reset"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/search"><code><input type="search"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/submit"><code><input type="submit"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/tel"><code><input type="tel"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/text"><code><input type="text"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/time"><code><input type="time"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/url"><code><input type="url"></code></a></li><li><a href="/ja/docs/Web/HTML/Element/input/week"><code><input type="week"></code></a></li></ol></details></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="#属性">属性</a></li><li class="document-toc-item "><a class="document-toc-link" href="#使用上の注意">使用上の注意</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="#技術的概要">技術的概要</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><ol>: 順序付きリスト要素</h1><details class="baseline-indicator high"><summary><span class="indicator" role="img" aria-label="Baseline Check"></span><div class="status-title">Baseline <span class="not-bold">Widely available</span></div><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%2FHTML%2FElement%2Fol&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><ol></code></strong> は <a href="/ja/docs/Web/HTML">HTML</a> の要素で、項目の順序付きリストを表します。ふつうは番号付きのリストとして表示されます。</p></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/ol.html" title="MDN Web Docs Interactive Example" allow="clipboard-write" loading="lazy"></iframe></div></section><section aria-labelledby="属性"><h2 id="属性"><a href="#属性">属性</a></h2><div class="section-content"><p>この要素は<a href="/ja/docs/Web/HTML/Global_attributes">グローバル属性</a>も受け付けます。</p> <dl> <dt id="reversed"><a href="#reversed"><code>reversed</code></a></dt> <dd> <p>論理属性で、リストの項目が逆順で指定されていることを指定します。項目は大きい方から小さい方へ番号付けされます。</p> </dd> <dt id="start"><a href="#start"><code>start</code></a></dt> <dd> <p>整数値を持つ属性で、リスト項目の序数の開始値を指定します。この値は、番号付けの種類が文字やローマ数字であっても、常にアラビア数字 (1, 2, 3, など) で指定します。例えば、 "d" の文字や "iv" のローマ数字から始める場合は、 <code>start="4"</code> を使用してください。</p> </dd> <dt id="type"><a href="#type"><code>type</code></a></dt> <dd> <p>番号付けの種類を設定します。</p> <ul> <li><code>a</code> は、英小文字を示します</li> <li><code>A</code> は、英大文字を示します</li> <li><code>i</code> は、小文字のローマ数字を示します</li> <li><code>I</code> は、大文字のローマ数字を示します</li> <li><code>1</code> は、数字を示します (既定値)</li> </ul> <p>指定された種類は、異なる <a href="/ja/docs/Web/HTML/Element/li#type"><code>type</code></a> 属性が内部の <a href="/ja/docs/Web/HTML/Element/li"><code><li></code></a> 要素で使用されない限り、リスト全体に使用されます。</p> <div class="notecard note"> <p><strong>メモ:</strong> （項目が番号や文字で参照される法律文書や技術文書のように）リスト番号の種類に重要性がない限り、代わりに CSS の <a href="/ja/docs/Web/CSS/list-style-type"><code>list-style-type</code></a> プロパティを使用してください。</p> </div> </dd> </dl></div></section><section aria-labelledby="使用上の注意"><h2 id="使用上の注意"><a href="#使用上の注意">使用上の注意</a></h2><div class="section-content"><p>ふつう、順序付きリストの項目は、先頭に数字や文字などの<a href="/ja/docs/Web/CSS/::marker">マーカー</a>が表示されます。</p> <p><code><ol></code> 要素と <a href="/ja/docs/Web/HTML/Element/ul"><code><ul></code></a> 要素は、必要なだけ深く入れ子にすることができ、 <code><ol></code> と <code><ul></code> を好きなだけ変更することもできます。</p> <p><code><ol></code> と <a href="/ja/docs/Web/HTML/Element/ul"><code><ul></code></a> は、どちらも項目のリストを表します。両者の違いは、 <code><ol></code> 要素では順序に意味があることです。例えば次のようなものです。</p> <ul> <li>レシピの手順</li> <li>道順</li> <li>栄養成分表示ラベルにおける成分の降順の一覧</li> </ul> <p>どちらのリストを使用するか判断するには、リスト項目の順序を変更してみてください。意味が変わるようであれば <code><ol></code> 要素を使用してください。そうでない場合は、 <a href="/ja/docs/Web/HTML/Element/ul"><code><ul></code></a> 要素を使用することができます。</p></div></section><section aria-labelledby="例"><h2 id="例"><a href="#例">例</a></h2><div class="section-content"></div></section><section aria-labelledby="単純な例"><h3 id="単純な例"><a href="#単純な例">単純な例</a></h3><div class="section-content"><div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><ol> <li>Fee</li> <li>Fi</li> <li>Fo</li> <li>Fum</li> </ol> </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="Simple example sample" id="frame_simple_example" width="400" height="100" src="about:blank" data-live-path="/ja/docs/Web/HTML/Element/ol/" data-live-id="simple_example" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="ローマ数字の使用"><h3 id="ローマ数字の使用"><a href="#ローマ数字の使用">ローマ数字の使用</a></h3><div class="section-content"><div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><ol type="i"> <li>Introduction</li> <li>List of Grievances</li> <li>Conclusion</li> </ol> </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="Using Roman Numeral type sample" id="frame_using_roman_numeral_type" width="400" height="100" src="about:blank" data-live-path="/ja/docs/Web/HTML/Element/ol/" data-live-id="using_roman_numeral_type" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="start_属性の使用"><h3 id="start_属性の使用"><a href="#start_属性の使用">start 属性の使用</a></h3><div class="section-content"><div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><p>Finishing places of contestants not in the winners' circle:</p> <ol start="4"> <li>Speedwalk Stu</li> <li>Saunterin' Sam</li> <li>Slowpoke Rodriguez</li> </ol> </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="Using the start attribute sample" id="frame_using_the_start_attribute" width="400" height="100" src="about:blank" data-live-path="/ja/docs/Web/HTML/Element/ol/" data-live-id="using_the_start_attribute" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="入れ子のリスト"><h3 id="入れ子のリスト"><a href="#入れ子のリスト">入れ子のリスト</a></h3><div class="section-content"><div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><ol> <li>first item</li> <li> second item  <ol> <li>second item first subitem</li> <li>second item second subitem</li> <li>second item third subitem</li> </ol> </li>  <li>third item</li> </ol> </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="Nesting lists sample" id="frame_nesting_lists" width="400" height="150" src="about:blank" data-live-path="/ja/docs/Web/HTML/Element/ol/" data-live-id="nesting_lists" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="順序付きリストの中の順序なしリスト"><h3 id="順序付きリストの中の順序なしリスト"><a href="#順序付きリストの中の順序なしリスト">順序付きリストの中の順序なしリスト</a></h3><div class="section-content"><div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><ol> <li>first item</li> <li> second item  <ul> <li>second item first subitem</li> <li>second item second subitem</li> <li>second item third subitem</li> </ul> </li>  <li>third item</li> </ol> </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="Unordered list inside ordered list sample" id="frame_unordered_list_inside_ordered_list" width="400" height="150" src="about:blank" data-live-path="/ja/docs/Web/HTML/Element/ol/" data-live-id="unordered_list_inside_ordered_list" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="技術的概要"><h2 id="技術的概要"><a href="#技術的概要">技術的概要</a></h2><div class="section-content"><figure class="table-container"><table class="properties"> <tbody> <tr> <th scope="row"> <a href="/ja/docs/Web/HTML/Content_categories">コンテンツカテゴリー</a> </th> <td> <a href="/ja/docs/Web/HTML/Content_categories#フローコンテンツ">フローコンテンツ</a>。また、<code><ol></code> 要素の子が少なくとも 1 個の <a href="/ja/docs/Web/HTML/Element/li"><code><li></code></a> 要素を包含する場合は、<a href="/ja/docs/Web/HTML/Content_categories#知覚可能コンテンツ">知覚可能コンテンツ</a>。 </td> </tr> <tr> <th scope="row">許可されている内容</th> <td> 0 個以上の <a href="/ja/docs/Web/HTML/Element/li"><code><li></code></a>, <a href="/ja/docs/Web/HTML/Element/script"><code><script></code></a>, <a href="/ja/docs/Web/HTML/Element/template"><code><template></code></a> の各要素。 </td> </tr> <tr> <th scope="row">タグの省略</th> <td>なし。開始タグと終了タグの両方が必須です。</td> </tr> <tr> <th scope="row">許可されている親要素</th> <td> <a href="/ja/docs/Web/HTML/Content_categories#フローコンテンツ">フローコンテンツ</a>を受け入れるすべての要素 </td> </tr> <tr> <th scope="row">暗黙の ARIA ロール</th> <td> <code><a href="/ja/docs/Web/Accessibility/ARIA/Roles/list_role">list</a></code> </td> </tr> <tr> <th scope="row">許可されている ARIA ロール</th> <td> <code><a href="/en-US/docs/Web/Accessibility/ARIA/Roles/directory_role" class="only-in-en-us">directory</a></code>, <code><a href="/ja/docs/Web/Accessibility/ARIA/Roles/group_role">group</a></code>, <code><a href="/ja/docs/Web/Accessibility/ARIA/Roles/listbox_role">listbox</a></code>, <code><a href="/en-US/docs/Web/Accessibility/ARIA/Roles/menu_role" class="only-in-en-us">menu</a></code>, <code><a href="/en-US/docs/Web/Accessibility/ARIA/Roles/menubar_role" class="only-in-en-us">menubar</a></code>, <code><a href="/ja/docs/Web/Accessibility/ARIA/Roles/none_role">none</a></code>, <code><a href="/ja/docs/Web/Accessibility/ARIA/Roles/presentation_role">presentation</a></code>, <code><a href="/en-US/docs/Web/Accessibility/ARIA/Roles/radiogroup_role" class="only-in-en-us">radiogroup</a></code>, <code><a href="/en-US/docs/Web/Accessibility/ARIA/Roles/tablist_role" class="only-in-en-us">tablist</a></code>, <code><a href="/ja/docs/Web/Accessibility/ARIA/Roles/toolbar_role">toolbar</a></code>, <code><a href="/en-US/docs/Web/Accessibility/ARIA/Roles/tree_role" class="only-in-en-us">tree</a></code> </td> </tr> <tr> <th scope="row">DOM インターフェイス</th> <td><a href="/ja/docs/Web/API/HTMLOListElement"><code>HTMLOListElement</code></a></td> </tr> </tbody> </table></figure></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://html.spec.whatwg.org/multipage/grouping-content.html#the-ol-element">HTML <br/><small># the-ol-element</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> <p>他のリスト関連の HTML 要素: <a href="/ja/docs/Web/HTML/Element/ul"><code><ul></code></a>、 <a href="/ja/docs/Web/HTML/Element/li"><code><li></code></a>、 <a href="/ja/docs/Web/HTML/Element/menu"><code><menu></code></a></p> </li> <li> <p><code><ol></code> 要素のスタイル付けに役立つ CSS プロパティ:</p> <ul> <li><a href="/ja/docs/Web/CSS/list-style"><code>list-style</code></a> プロパティは、序数の表示方法を選ぶのに便利です。</li> <li><a href="/ja/docs/Web/CSS/CSS_counter_styles/Using_CSS_counters">CSS カウンター</a>は、複雑な入れ子のリストを扱うのに便利です。</li> <li><a href="/ja/docs/Web/CSS/line-height"><code>line-height</code></a> プロパティは、非推奨の <a href="#compact"><code>compact</code></a> 属性をシミュレートするのに役立ちます。</li> <li><a href="/ja/docs/Web/CSS/margin"><code>margin</code></a> プロパティは、リストの字下げを制御するのに役立ちます。</li> </ul> </li> </ul></div></section></article><aside class="article-footer"><div 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class="footer-moz-item"><a href="https://www.mozilla.org/about/legal/terms/mozilla" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Legal</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/about/governance/policies/participation/" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Community Participation Guidelines</a></li></ul></div><div class="page-footer-legal"><p id="license" class="page-footer-legal-text">Visit <a href="https://www.mozilla.org" target="_blank" rel="noopener noreferrer">Mozilla Corporation’s</a> not-for-profit parent, the <a target="_blank" rel="noopener noreferrer" href="https://foundation.mozilla.org/">Mozilla Foundation</a>.<br/>Portions of this content are ©1998–2025 by individual mozilla.org contributors. Content available under <a href="/ja/docs/MDN/Writing_guidelines/Attrib_copyright_license">a Creative Commons license</a>.</p></div></div></footer></div><script type="application/json" id="hydration">{"url":"/ja/docs/Web/HTML/Element/ol","doc":{"body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p><strong><code><ol></code></strong> は <a href=\"/ja/docs/Web/HTML\">HTML</a> の要素で、項目の順序付きリストを表します。ふつうは番号付きのリストとして表示されます。</p>"}},{"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/ol.html\" title=\"MDN Web Docs Interactive Example\" allow=\"clipboard-write\" loading=\"lazy\"></iframe>"}},{"type":"prose","value":{"id":"属性","title":"属性","isH3":false,"content":"<p>この要素は<a href=\"/ja/docs/Web/HTML/Global_attributes\">グローバル属性</a>も受け付けます。</p>\n<dl>\n<dt id=\"reversed\"><a href=\"#reversed\"><code>reversed</code></a></dt>\n<dd>\n<p>論理属性で、リストの項目が逆順で指定されていることを指定します。項目は大きい方から小さい方へ番号付けされます。</p>\n</dd>\n<dt id=\"start\"><a href=\"#start\"><code>start</code></a></dt>\n<dd>\n<p>整数値を持つ属性で、リスト項目の序数の開始値を指定します。この値は、番号付けの種類が文字やローマ数字であっても、常にアラビア数字 (1, 2, 3, など) で指定します。例えば、 \"d\" の文字や \"iv\" のローマ数字から始める場合は、 <code>start=\"4\"</code> を使用してください。</p>\n</dd>\n<dt id=\"type\"><a href=\"#type\"><code>type</code></a></dt>\n<dd>\n<p>番号付けの種類を設定します。</p>\n<ul>\n<li><code>a</code> は、英小文字を示します</li>\n<li><code>A</code> は、英大文字を示します</li>\n<li><code>i</code> は、小文字のローマ数字を示します</li>\n<li><code>I</code> は、大文字のローマ数字を示します</li>\n<li><code>1</code> は、数字を示します (既定値)</li>\n</ul>\n<p>指定された種類は、異なる <a href=\"/ja/docs/Web/HTML/Element/li#type\"><code>type</code></a> 属性が内部の <a href=\"/ja/docs/Web/HTML/Element/li\"><code><li></code></a> 要素で使用されない限り、リスト全体に使用されます。</p>\n<div class=\"notecard note\">\n<p><strong>メモ:</strong>\n（項目が番号や文字で参照される法律文書や技術文書のように）リスト番号の種類に重要性がない限り、代わりに CSS の <a href=\"/ja/docs/Web/CSS/list-style-type\"><code>list-style-type</code></a> プロパティを使用してください。</p>\n</div>\n</dd>\n</dl>"}},{"type":"prose","value":{"id":"使用上の注意","title":"使用上の注意","isH3":false,"content":"<p>ふつう、順序付きリストの項目は、先頭に数字や文字などの<a href=\"/ja/docs/Web/CSS/::marker\">マーカー</a>が表示されます。</p>\n<p><code><ol></code> 要素と <a href=\"/ja/docs/Web/HTML/Element/ul\"><code><ul></code></a> 要素は、必要なだけ深く入れ子にすることができ、 <code><ol></code> と <code><ul></code> を好きなだけ変更することもできます。</p>\n<p><code><ol></code> と <a href=\"/ja/docs/Web/HTML/Element/ul\"><code><ul></code></a> は、どちらも項目のリストを表します。両者の違いは、 <code><ol></code> 要素では順序に意味があることです。例えば次のようなものです。</p>\n<ul>\n<li>レシピの手順</li>\n<li>道順</li>\n<li>栄養成分表示ラベルにおける成分の降順の一覧</li>\n</ul>\n<p>どちらのリストを使用するか判断するには、リスト項目の順序を変更してみてください。意味が変わるようであれば <code><ol></code> 要素を使用してください。そうでない場合は、 <a href=\"/ja/docs/Web/HTML/Element/ul\"><code><ul></code></a> 要素を使用することができます。</p>"}},{"type":"prose","value":{"id":"例","title":"例","isH3":false,"content":""}},{"type":"prose","value":{"id":"単純な例","title":"単純な例","isH3":true,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><ol>\n <li>Fee</li>\n <li>Fi</li>\n <li>Fo</li>\n <li>Fum</li>\n</ol>\n</code></pre></div>\n<h4 id=\"結果\">結果</h4>\n<div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Simple example sample\" id=\"frame_simple_example\" width=\"400\" height=\"100\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/HTML/Element/ol/\" data-live-id=\"simple_example\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"ローマ数字の使用","title":"ローマ数字の使用","isH3":true,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><ol type=\"i\">\n <li>Introduction</li>\n <li>List of Grievances</li>\n <li>Conclusion</li>\n</ol>\n</code></pre></div>\n<h4 id=\"結果_2\">結果</h4>\n<div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Using Roman Numeral type sample\" id=\"frame_using_roman_numeral_type\" width=\"400\" height=\"100\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/HTML/Element/ol/\" data-live-id=\"using_roman_numeral_type\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"start_属性の使用","title":"start 属性の使用","isH3":true,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><p>Finishing places of contestants not in the winners' circle:</p>\n\n<ol start=\"4\">\n <li>Speedwalk Stu</li>\n <li>Saunterin' Sam</li>\n <li>Slowpoke Rodriguez</li>\n</ol>\n</code></pre></div>\n<h4 id=\"結果_3\">結果</h4>\n<div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Using the start attribute sample\" id=\"frame_using_the_start_attribute\" width=\"400\" height=\"100\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/HTML/Element/ol/\" data-live-id=\"using_the_start_attribute\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"入れ子のリスト","title":"入れ子のリスト","isH3":true,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><ol>\n <li>first item</li>\n <li>\n second item\n \n <ol>\n <li>second item first subitem</li>\n <li>second item second subitem</li>\n <li>second item third subitem</li>\n </ol>\n </li>\n \n <li>third item</li>\n</ol>\n</code></pre></div>\n<h4 id=\"結果_4\">結果</h4>\n<div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Nesting lists sample\" id=\"frame_nesting_lists\" width=\"400\" height=\"150\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/HTML/Element/ol/\" data-live-id=\"nesting_lists\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"順序付きリストの中の順序なしリスト","title":"順序付きリストの中の順序なしリスト","isH3":true,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><ol>\n <li>first item</li>\n <li>\n second item\n \n <ul>\n <li>second item first subitem</li>\n <li>second item second subitem</li>\n <li>second item third subitem</li>\n </ul>\n </li>\n \n <li>third item</li>\n</ol>\n</code></pre></div>\n<h4 id=\"結果_5\">結果</h4>\n<div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Unordered list inside ordered list sample\" id=\"frame_unordered_list_inside_ordered_list\" width=\"400\" height=\"150\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/HTML/Element/ol/\" data-live-id=\"unordered_list_inside_ordered_list\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"技術的概要","title":"技術的概要","isH3":false,"content":"<figure class=\"table-container\"><table class=\"properties\">\n <tbody>\n <tr>\n <th scope=\"row\">\n <a href=\"/ja/docs/Web/HTML/Content_categories\">コンテンツカテゴリー</a>\n </th>\n <td>\n <a href=\"/ja/docs/Web/HTML/Content_categories#フローコンテンツ\">フローコンテンツ</a>。また、<code><ol></code> 要素の子が少なくとも 1 個の <a href=\"/ja/docs/Web/HTML/Element/li\"><code><li></code></a> 要素を包含する場合は、<a href=\"/ja/docs/Web/HTML/Content_categories#知覚可能コンテンツ\">知覚可能コンテンツ</a>。\n </td>\n </tr>\n <tr>\n <th scope=\"row\">許可されている内容</th>\n <td>\n 0 個以上の <a href=\"/ja/docs/Web/HTML/Element/li\"><code><li></code></a>, <a href=\"/ja/docs/Web/HTML/Element/script\"><code><script></code></a>, <a href=\"/ja/docs/Web/HTML/Element/template\"><code><template></code></a> の各要素。\n </td>\n </tr>\n <tr>\n <th scope=\"row\">タグの省略</th>\n <td>なし。開始タグと終了タグの両方が必須です。</td>\n </tr>\n <tr>\n <th scope=\"row\">許可されている親要素</th>\n <td>\n <a href=\"/ja/docs/Web/HTML/Content_categories#フローコンテンツ\">フローコンテンツ</a>を受け入れるすべての要素\n </td>\n </tr>\n <tr>\n <th scope=\"row\">暗黙の ARIA ロール</th>\n <td>\n <code><a href=\"/ja/docs/Web/Accessibility/ARIA/Roles/list_role\">list</a></code>\n </td>\n </tr>\n <tr>\n <th scope=\"row\">許可されている ARIA ロール</th>\n <td>\n <code><a href=\"/en-US/docs/Web/Accessibility/ARIA/Roles/directory_role\" class=\"only-in-en-us\">directory</a></code>, <code><a href=\"/ja/docs/Web/Accessibility/ARIA/Roles/group_role\">group</a></code>,\n <code><a href=\"/ja/docs/Web/Accessibility/ARIA/Roles/listbox_role\">listbox</a></code>, <code><a href=\"/en-US/docs/Web/Accessibility/ARIA/Roles/menu_role\" class=\"only-in-en-us\">menu</a></code>,\n <code><a href=\"/en-US/docs/Web/Accessibility/ARIA/Roles/menubar_role\" class=\"only-in-en-us\">menubar</a></code>, <code><a href=\"/ja/docs/Web/Accessibility/ARIA/Roles/none_role\">none</a></code>,\n <code><a href=\"/ja/docs/Web/Accessibility/ARIA/Roles/presentation_role\">presentation</a></code>,\n <code><a href=\"/en-US/docs/Web/Accessibility/ARIA/Roles/radiogroup_role\" class=\"only-in-en-us\">radiogroup</a></code>, <code><a href=\"/en-US/docs/Web/Accessibility/ARIA/Roles/tablist_role\" class=\"only-in-en-us\">tablist</a></code>,\n <code><a href=\"/ja/docs/Web/Accessibility/ARIA/Roles/toolbar_role\">toolbar</a></code>, <code><a href=\"/en-US/docs/Web/Accessibility/ARIA/Roles/tree_role\" class=\"only-in-en-us\">tree</a></code>\n </td>\n </tr>\n <tr>\n <th scope=\"row\">DOM インターフェイス</th>\n <td><a href=\"/ja/docs/Web/API/HTMLOListElement\"><code>HTMLOListElement</code></a></td>\n </tr>\n </tbody>\n</table></figure>"}},{"type":"specifications","value":{"id":"仕様書","title":"仕様書","isH3":false,"specifications":[{"bcdSpecificationURL":"https://html.spec.whatwg.org/multipage/grouping-content.html#the-ol-element","title":"HTML"}],"query":"html.elements.ol"}},{"type":"browser_compatibility","value":{"id":"ブラウザーの互換性","title":"ブラウザーの互換性","isH3":false,"query":"html.elements.ol"}},{"type":"prose","value":{"id":"関連情報","title":"関連情報","isH3":false,"content":"<ul>\n<li>\n<p>他のリスト関連の HTML 要素: <a href=\"/ja/docs/Web/HTML/Element/ul\"><code><ul></code></a>、 <a href=\"/ja/docs/Web/HTML/Element/li\"><code><li></code></a>、 <a href=\"/ja/docs/Web/HTML/Element/menu\"><code><menu></code></a></p>\n</li>\n<li>\n<p><code><ol></code> 要素のスタイル付けに役立つ CSS プロパティ:</p>\n<ul>\n<li><a href=\"/ja/docs/Web/CSS/list-style\"><code>list-style</code></a> プロパティは、序数の表示方法を選ぶのに便利です。</li>\n<li><a href=\"/ja/docs/Web/CSS/CSS_counter_styles/Using_CSS_counters\">CSS カウンター</a>は、複雑な入れ子のリストを扱うのに便利です。</li>\n<li><a href=\"/ja/docs/Web/CSS/line-height\"><code>line-height</code></a> プロパティは、非推奨の <a href=\"#compact\"><code>compact</code></a> 属性をシミュレートするのに役立ちます。</li>\n<li><a href=\"/ja/docs/Web/CSS/margin\"><code>margin</code></a> プロパティは、リストの字下げを制御するのに役立ちます。</li>\n</ul>\n</li>\n</ul>"}}],"isActive":true,"isMarkdown":true,"isTranslated":true,"locale":"ja","mdn_url":"/ja/docs/Web/HTML/Element/ol","modified":"2024-08-21T12:49:39.000Z","native":"日本語","noIndexing":false,"other_translations":[{"locale":"en-US","title":"<ol>: The Ordered List element","native":"English (US)"},{"locale":"de","title":"<ol>: Das Ordered List-Element","native":"Deutsch"},{"locale":"es","title":"ol","native":"Español"},{"locale":"fr","title":"<ol> : l'élément de liste ordonnée","native":"Français"},{"locale":"ko","title":"<ol>","native":"한국어"},{"locale":"pt-BR","title":"<ol>","native":"Português (do Brasil)"},{"locale":"ru","title":"<ol>: The Ordered List element","native":"Русский"},{"locale":"zh-CN","title":"<ol>","native":"中文 (简体)"}],"pageTitle":"<ol>: 順序付きリスト要素 - HTML: ハイパーテキストマークアップ言語 | MDN","parents":[{"uri":"/ja/docs/Web","title":"開発者向けのウェブ技術"},{"uri":"/ja/docs/Web/HTML","title":"HTML"},{"uri":"/ja/docs/Web/HTML/Element","title":"HTML 要素リファレンス"},{"uri":"/ja/docs/Web/HTML/Element/ol","title":"<ol>"}],"popularity":null,"short_title":"<ol>","sidebarHTML":"<ol><li class=\"section\"><a href=\"/ja/docs/Web/HTML\">HTML</a></li><li class=\"toggle\"><details><summary>チュートリアル</summary><ol><li><a href=\"/ja/docs/Learn_web_development/Getting_started/Your_first_website/Creating_the_content\">初めてのウェブサイト: コンテンツの作成</a></li><li class=\"toggle\"><details><summary><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content\">HTML によるコンテンツの構造化</a></summary><ol><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Basic_HTML_syntax\">基本的な HTML の構文</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Webpage_metadata\">ヘッド部には何が入る? ウェブページのメタデータ</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Headings_and_paragraphs\">HTML の見出しと段落</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Emphasis_and_importance\">強調と重要性</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Lists\">リスト</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Structuring_documents\">文書とウェブサイトの構造</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features\">高度なテキスト装飾</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Creating_links\">リンクの作成</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Marking_up_a_letter\">課題: 手紙のマークアップ</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Structuring_a_page_of_content\">課題: コンテンツのページの構造化</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/HTML_images\">HTML の画像</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/HTML_video_and_audio\">動画と音声のコンテンツ</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Mozilla_splash_page\">Mozilla のスプラッシュページ</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/HTML_table_basics\">HTML の表の基本</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Table_accessibility\">HTML 表のアクセシビリティ</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Planet_data_table\">課題: 惑星データの構造化</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/HTML_forms\">HTML におけるフォームとボタン</a></li><li><a href=\"/ja/docs/Learn_web_development/Core/Structuring_content/Debugging_HTML\">HTML のデバッグ</a></li></ol></details></li></ol></details></li><li class=\"toggle\"><details><summary>ガイド</summary><ol><li><a href=\"/ja/docs/Web/HTML/Content_categories\">コンテンツカテゴリー</a></li><li><a href=\"/ja/docs/Glossary/Block-level_content\">ブロックレベル要素</a></li><li><a href=\"/ja/docs/Glossary/Inline-level_content\">インライン要素</a></li><li><a href=\"/ja/docs/Web/HTML/Quirks_Mode_and_Standards_Mode\">互換モードと標準モード</a></li><li><a href=\"/ja/docs/Web/HTML/Date_and_time_formats\">HTML で使用される日付と時刻の形式</a></li><li><a href=\"/ja/docs/Web/HTML/Constraint_validation\">制約検証</a></li><li><a href=\"/ja/docs/Web/HTML/Microdata\">Microdata</a></li><li><a href=\"/ja/docs/Web/HTML/microformats\">Microformats</a></li><li><a href=\"/ja/docs/Web/HTML/Viewport_meta_tag\">ビューポートメタタグ</a></li><li><a href=\"/ja/docs/Web/HTML/CORS_enabled_image\">別オリジンの画像とキャンバスを利用可能にする</a></li></ol></details></li><li class=\"section\"><a href=\"/ja/docs/Web/HTML/Reference\">リファレンス</a></li><li class=\"toggle\"><details open=\"\"><summary>HTML 要素</summary><ol><li><a href=\"/ja/docs/Web/HTML/Element/a\"><code><a></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/abbr\"><code><abbr></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/acronym\"><code><acronym></code></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/HTML/Element/address\"><code><address></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/area\"><code><area></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/article\"><code><article></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/aside\"><code><aside></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/audio\"><code><audio></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/b\"><code><b></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/base\"><code><base></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/bdi\"><code><bdi></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/bdo\"><code><bdo></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/big\"><code><big></code></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/HTML/Element/blockquote\"><code><blockquote></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/body\"><code><body></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/br\"><code><br></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/button\"><code><button></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/canvas\"><code><canvas></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/caption\"><code><caption></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/center\"><code><center></code></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/HTML/Element/cite\"><code><cite></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/code\"><code><code></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/col\"><code><col></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/colgroup\"><code><colgroup></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/data\"><code><data></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/datalist\"><code><datalist></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/dd\"><code><dd></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/del\"><code><del></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/details\"><code><details></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/dfn\"><code><dfn></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/dialog\"><code><dialog></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/dir\"><code><dir></code></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/HTML/Element/div\"><code><div></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/dl\"><code><dl></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/dt\"><code><dt></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/em\"><code><em></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/embed\"><code><embed></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/fencedframe\" class=\"only-in-en-us\"><code><fencedframe></code></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/HTML/Element/fieldset\"><code><fieldset></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/figcaption\"><code><figcaption></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/figure\"><code><figure></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/font\"><code><font></code></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/HTML/Element/footer\"><code><footer></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/form\"><code><form></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/frame\"><code><frame></code></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/HTML/Element/frameset\"><code><frameset></code></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/HTML/Element/Heading_Elements\"><code><h1></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/head\"><code><head></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/header\"><code><header></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/hgroup\"><code><hgroup></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/hr\"><code><hr></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/html\"><code><html></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/i\"><code><i></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/iframe\"><code><iframe></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/img\"><code><img></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input\"><code><input></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/ins\"><code><ins></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/kbd\"><code><kbd></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/label\"><code><label></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/legend\"><code><legend></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/li\"><code><li></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/link\"><code><link></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/main\"><code><main></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/map\"><code><map></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/mark\"><code><mark></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/marquee\"><code><marquee></code></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/HTML/Element/menu\"><code><menu></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/meta\"><code><meta></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/meter\"><code><meter></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/nav\"><code><nav></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/nobr\"><code><nobr></code></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/HTML/Element/noembed\"><code><noembed></code></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/HTML/Element/noframes\"><code><noframes></code></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/HTML/Element/noscript\"><code><noscript></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/object\"><code><object></code></a></li><li><em><a href=\"/ja/docs/Web/HTML/Element/ol\" aria-current=\"page\"><code><ol></code></a></em></li><li><a href=\"/ja/docs/Web/HTML/Element/optgroup\"><code><optgroup></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/option\"><code><option></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/output\"><code><output></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/p\"><code><p></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/param\"><code><param></code></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/HTML/Element/picture\"><code><picture></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/plaintext\"><code><plaintext></code></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/HTML/Element/pre\"><code><pre></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/progress\"><code><progress></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/q\"><code><q></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/rb\"><code><rb></code></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/HTML/Element/rp\"><code><rp></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/rt\"><code><rt></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/rtc\"><code><rtc></code></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/HTML/Element/ruby\"><code><ruby></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/s\"><code><s></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/samp\"><code><samp></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/script\"><code><script></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/search\"><code><search></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/section\"><code><section></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/select\"><code><select></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/slot\"><code><slot></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/small\"><code><small></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/source\"><code><source></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/span\"><code><span></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/strike\"><code><strike></code></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/HTML/Element/strong\"><code><strong></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/style\"><code><style></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/sub\"><code><sub></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/summary\"><code><summary></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/sup\"><code><sup></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/table\"><code><table></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/tbody\"><code><tbody></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/td\"><code><td></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/template\"><code><template></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/textarea\"><code><textarea></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/tfoot\"><code><tfoot></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/th\"><code><th></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/thead\"><code><thead></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/time\"><code><time></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/title\"><code><title></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/tr\"><code><tr></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/track\"><code><track></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/tt\"><code><tt></code></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/HTML/Element/u\"><code><u></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/ul\"><code><ul></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/var\"><code><var></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/video\"><code><video></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/wbr\"><code><wbr></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/xmp\"><code><xmp></code></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></ol></details></li><li class=\"toggle\"><details><summary>グローバル属性</summary><ol><li><a href=\"/ja/docs/Web/HTML/Global_attributes/accesskey\"><code>accesskey</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/anchor\"><code>anchor</code></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\">非標準</span>\n</abbr></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/autocapitalize\"><code>autocapitalize</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/autocorrect\"><code>autocorrect</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/autofocus\"><code>autofocus</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/class\"><code>class</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/contenteditable\"><code>contenteditable</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/data-*\"><code>data-*</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/dir\"><code>dir</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/draggable\"><code>draggable</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/enterkeyhint\"><code>enterkeyhint</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/exportparts\"><code>exportparts</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/hidden\"><code>hidden</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/id\"><code>id</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/inert\"><code>inert</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/inputmode\"><code>inputmode</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/is\"><code>is</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/itemid\"><code>itemid</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/itemprop\"><code>itemprop</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/itemref\"><code>itemref</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/itemscope\"><code>itemscope</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/itemtype\"><code>itemtype</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/lang\"><code>lang</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/nonce\"><code>nonce</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/part\"><code>part</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/popover\"><code>popover</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/slot\"><code>slot</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/spellcheck\"><code>spellcheck</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/style\"><code>style</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/tabindex\"><code>tabindex</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/title\"><code>title</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/translate\"><code>translate</code></a></li><li><a href=\"/ja/docs/Web/HTML/Global_attributes/virtualkeyboardpolicy\"><code>virtualkeyboardpolicy</code></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/HTML/Global_attributes/writingsuggestions\"><code>writingsuggestions</code></a></li></ol></details></li><li class=\"toggle\"><details><summary>属性</summary><ol><li><a href=\"/ja/docs/Web/HTML/Attributes/accept\">HTML 属性: accept</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/autocomplete\">autocomplete</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/capture\">HTML 属性: capture</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/crossorigin\">HTML 属性: crossorigin</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/dirname\">HTML 属性: dirname</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/disabled\">HTML 属性: disabled</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/elementtiming\">HTML 属性: elementtiming</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/for\">HTML 属性: for</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/max\">max</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/maxlength\">maxlength</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/min\">min</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/minlength\">minlength</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/multiple\">multiple</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/pattern\">pattern</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/placeholder\">HTML 属性: placeholder</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/readonly\">HTML 属性: readonly</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/rel\">rel</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/required\">required</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/size\">HTML 属性: size</a></li><li><a href=\"/ja/docs/Web/HTML/Attributes/step\">step</a></li></ol></details></li><li class=\"toggle\"><details><summary><code><input></code> 型</summary><ol><li><a href=\"/ja/docs/Web/HTML/Element/input/button\"><code><input type=\"button\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/checkbox\"><code><input type=\"checkbox\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/color\"><code><input type=\"color\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/date\"><code><input type=\"date\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/datetime-local\"><code><input type=\"datetime-local\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/email\"><code><input type=\"email\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/file\"><code><input type=\"file\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/hidden\"><code><input type=\"hidden\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/image\"><code><input type=\"image\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/month\"><code><input type=\"month\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/number\"><code><input type=\"number\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/password\"><code><input type=\"password\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/radio\"><code><input type=\"radio\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/range\"><code><input type=\"range\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/reset\"><code><input type=\"reset\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/search\"><code><input type=\"search\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/submit\"><code><input type=\"submit\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/tel\"><code><input type=\"tel\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/text\"><code><input type=\"text\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/time\"><code><input type=\"time\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/url\"><code><input type=\"url\"></code></a></li><li><a href=\"/ja/docs/Web/HTML/Element/input/week\"><code><input type=\"week\"></code></a></li></ol></details></li></ol>","source":{"folder":"ja/web/html/element/ol","github_url":"https://github.com/mdn/translated-content/blob/main/files/ja/web/html/element/ol/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/f51679ea54e28b3cbda80ce99da358c990f46eff","filename":"index.md"},"summary":"<ol> は HTML の要素で、項目の順序付きリストを表します。ふつうは番号付きのリストとして表示されます。","title":"<ol>: 順序付きリスト要素","toc":[{"text":"試してみましょう","id":"試してみましょう"},{"text":"属性","id":"属性"},{"text":"使用上の注意","id":"使用上の注意"},{"text":"例","id":"例"},{"text":"技術的概要","id":"技術的概要"},{"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"}],"baseline":{"baseline":"high","baseline_low_date":"2015-07-29","baseline_high_date":"2018-01-29","support":{"chrome":"1","chrome_android":"18","edge":"12","firefox":"1","firefox_android":"4","safari":"≤4","safari_ios":"≤3.2"}},"browserCompat":["html.elements.ol"],"pageType":"html-element"}}</script></body></html>