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HTML のメタデータ</a></li> <li><a href="/ja/docs/Learn/HTML/Introduction_to_HTML/HTML_text_fundamentals">HTML テキストの基礎</a></li> <li><a href="/ja/docs/Learn/HTML/Introduction_to_HTML/Creating_hyperlinks">ハイパーリンクの作成</a></li> <li><a href="/ja/docs/Learn/HTML/Introduction_to_HTML/Advanced_text_formatting">高度なテキスト整形</a></li> <li><a href="/ja/docs/Learn/HTML/Introduction_to_HTML/Document_and_website_structure">文書とウェブサイトの構造</a></li> <li><a href="/ja/docs/Learn/HTML/Introduction_to_HTML/Debugging_HTML">HTML のデバッグ</a></li> <li><a href="/ja/docs/Learn/HTML/Introduction_to_HTML/Marking_up_a_letter">評価課題: 手紙のマークアップ</a></li> <li><a href="/ja/docs/Learn/HTML/Introduction_to_HTML/Structuring_a_page_of_content">評価課題: コンテンツのページの構造化</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>マルチメディアとその埋め込み</summary> <ol> <li><a href="/ja/docs/Learn/HTML/Multimedia_and_embedding">マルチメディアとその埋め込みの概要</a></li> <li><a href="/ja/docs/Learn/HTML/Multimedia_and_embedding/Images_in_HTML">HTML の画像</a></li> <li><a href="/ja/docs/Learn/HTML/Multimedia_and_embedding/Video_and_audio_content">動画と音声のコンテンツ</a></li> <li><a href="/ja/docs/Learn/HTML/Multimedia_and_embedding/Other_embedding_technologies">object から iframe まで — その他の埋め込み技術</a></li> <li><a href="/ja/docs/Learn/HTML/Multimedia_and_embedding/Adding_vector_graphics_to_the_Web">ウェブへのベクターグラフィックの追加</a></li> <li><a href="/ja/docs/Learn/HTML/Multimedia_and_embedding/Responsive_images">レスポンシブ画像</a></li> <li><a href="/ja/docs/Learn/HTML/Multimedia_and_embedding/Mozilla_splash_page">評価課題: Mozilla のスプラッシュページ</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>HTML の表</summary> <ol> <li><a href="/ja/docs/Learn/HTML/Tables">HTML の表の概要</a></li> <li><a href="/ja/docs/Learn/HTML/Tables/Basics">HTML の表の基本</a></li> <li><a href="/ja/docs/Learn/HTML/Tables/Advanced">HTML 表の高度な機能とアクセシビリティ</a></li> <li><a href="/ja/docs/Learn/HTML/Tables/Structuring_planet_data">評価課題: 太陽系の惑星データの構造化</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="/ja/docs/Web/HTML/Element/fencedframe"><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><em><a href="/ja/docs/Web/HTML/Element/label" aria-current="page"><code><label></code></a></em></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><a href="/ja/docs/Web/HTML/Element/ol"><code><ol></code></a></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/portal"><code><portal></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/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">Non-standard</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><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/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>Attributes</summary> <ol> <li><a href="/ja/docs/Web/HTML/Attributes/accept">accept</a></li> <li><a href="/ja/docs/Web/HTML/Attributes/autocomplete">autocomplete</a></li> <li><a href="/ja/docs/Web/HTML/Attributes/capture">capture</a></li> <li><a href="/ja/docs/Web/HTML/Attributes/crossorigin">crossorigin</a></li> <li><a href="/ja/docs/Web/HTML/Attributes/dirname">dirname</a></li> <li><a href="/ja/docs/Web/HTML/Attributes/disabled">disabled</a></li> <li><a href="/ja/docs/Web/HTML/Attributes/elementtiming">elementtiming</a></li> <li><a href="/ja/docs/Web/HTML/Attributes/for">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">placeholder</a></li> <li><a href="/ja/docs/Web/HTML/Attributes/readonly">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">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> <li class="section no-link">Guides</li> <li> <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">Block-level elements</a></li> <li><a href="/ja/docs/Glossary/Inline-level_content">Inline elements</a></li> <li><a href="/ja/docs/Web/HTML/Quirks_Mode_and_Standards_Mode">Quirks Mode and Standards Mode</a></li> <li><a href="/ja/docs/Web/HTML/Date_and_time_formats">Date and time formats used in HTML</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">Viewport meta tag</a></li> <li><a href="/ja/docs/Web/HTML/CORS_enabled_image">Allowing cross-origin use of images and canvas</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="#属性">属性</a></li><li class="document-toc-item "><a class="document-toc-link" href="#css_のスタイル付け">CSS のスタイル付け</a></li><li class="document-toc-item "><a class="document-toc-link" href="#アクセシビリティ">アクセシビリティ</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></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><label>: ラベル要素</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%2FHTML%2FElement%2Flabel&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><label></code></strong> は <a href="/ja/docs/Web/HTML">HTML</a> の要素で、ユーザーインターフェイスの項目のキャプションを表します。</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/label.html" title="MDN Web Docs Interactive Example" allow="clipboard-write" loading="lazy"></iframe> <p><code><label></code> を <a href="/ja/docs/Web/HTML/Element/input"><code><input></code></a> や <a href="/ja/docs/Web/HTML/Element/textarea"><code><textarea></code></a> などのフォーム要素と関連付けると、いくらかの利点が発生します。</p> <ul> <li>ラベルのテキストが、対応するテキスト入力欄に視覚的に関連付けられるだけではありません。プログラム的にも関連付けられます。つまり、例えばユーザーがフォーム入力欄にフォーカスを移動した時、読み上げソフトがラベルを読み上げ、支援技術のユーザーが何のデータを入力するべきか理解しやすくすることができます。</li> <li>関連付けられたラベルをクリックして、入力欄自体をクリックした場合と同様に、入力欄にフォーカスを与えたりアクティブ化にしたりすることができます。こうしてヒット領域を拡大すると、タッチパネルの端末を使用している場合を含めて、入力欄をアクティブ化させやすくなります。</li> </ul> <p><code><label></code> 要素と <code><input></code> 要素を明示的に関連付けるには、最初に <code>id</code> 属性を <code><input></code> 要素に追加します。次に、<code>for</code> 属性を <code><label></code> 要素に追加します。<code>for</code> の値は <code><input></code> 要素の <code>id</code> と同じにします。</p> <p>他の方法として、 <code><input></code> を直接 <code><label></code> の内側に入れることができますが、この場合は関連付けが明確なので、 <code>for</code> および <code>id</code> 属性は必要ありません。</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><label> Do you like peas? <input type="checkbox" name="peas" /> </label> </code></pre></div> <p>ラベルがラベル付けするフォームコントロールは、 label 要素の <em>ラベル対象コントロール</em> と呼ばれます。複数のラベルを同じフォームコントロールに関連付けることができます。</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><label for="username">名前を入力してください:</label> <input id="username" name="username" type="text" /> <label for="username">名前を忘れてしまいましたか？</label> </code></pre></div> <p><code><label></code> 要素に関連付けることができる要素には <a href="/ja/docs/Web/HTML/Element/button"><code><button></code></a>, <a href="/ja/docs/Web/HTML/Element/input"><code><input></code></a> (<code>type="hidden"</code> を除く), <a href="/ja/docs/Web/HTML/Element/meter"><code><meter></code></a>, <a href="/ja/docs/Web/HTML/Element/output"><code><output></code></a>, <a href="/ja/docs/Web/HTML/Element/progress"><code><progress></code></a>, <a href="/ja/docs/Web/HTML/Element/select"><code><select></code></a>, <a href="/ja/docs/Web/HTML/Element/textarea"><code><textarea></code></a> があります。</p></div></section><section aria-labelledby="属性"><h2 id="属性"><a href="#属性">属性</a></h2><div class="section-content"><p>この要素には<a href="/ja/docs/Web/HTML/Global_attributes">グローバル属性</a>があります。</p> <dl> <dt id="for"><a href="/ja/docs/Web/HTML/Attributes/for"><code>for</code></a></dt> <dd> <p><code>for</code> 属性の値は単一の <a href="/ja/docs/Web/HTML/Global_attributes/id"><code>id</code></a> でなければならず、これは <code><label></code> 要素と同一の文書内にある<a href="/ja/docs/Web/HTML/Content_categories#%E3%83%A9%E3%83%99%E3%83%AB%E4%BB%98%E3%81%91%E5%8F%AF%E8%83%BD">ラベル付け可能</a>なフォーム関連要素のものです。従って、この <code>label</code> 要素が関連付けられるのはフォームコントロール 1 つだけです。</p> <div class="notecard note"> <p><strong>メモ:</strong> プログラムから <code>for</code> 属性を設定する場合は、 <a href="/ja/docs/Web/API/HTMLLabelElement/htmlFor"><code>htmlFor</code></a> を使用してください。</p> </div> <p>文書内で <code>for</code> 属性の値に一致する <code>id</code> 属性を持つ最初の要素が、この <code>label</code> 要素の <em>ラベル対象コントロール</em> になります（その <code>id</code> を持つ要素が実際に <a href="https://html.spec.whatwg.org/multipage/forms.html#category-label" class="external" target="_blank">ラベル付け可能要素</a> である場合）。このラベル付け可能な要素でない場合は、 <code>for</code> 属性は何も効果がありません。もし、文書の後半に <code>id</code> の値に一致する他の要素があったとしても、それらは考慮されません。</p> <p>複数の <code>label</code> 要素の <code>for</code> 属性に同じ値を指定することができます。そうすると、関連するフォームコントロール（<code>for</code> 値が参照するフォームコントロール）は複数のラベルを持つことになります。</p> <div class="notecard note"> <p><strong>メモ:</strong> <code><label></code> 要素は、包含するコントロール要素が <code>for</code> 属性が指す要素である場合、 <code>for</code> 属性を持ちつつ、中にコントロール要素を含めることができます。</p> </div> </dd> </dl></div></section><section aria-labelledby="css_のスタイル付け"><h2 id="css_のスタイル付け"><a href="#css_のスタイル付け">CSS のスタイル付け</a></h2><div class="section-content"><p><code><label></code> には特殊なスタイル上の考慮事項はありません。構造的に単純なインライン要素であり、ほとんどは <a href="/ja/docs/Web/HTML/Element/span"><code><span></code></a> や <a href="/ja/docs/Web/HTML/Element/a"><code><a></code></a> 要素と同じ方法でスタイルを適用します。テキストが読みにくくならない限り、あらゆる方法でスタイルを適用することができます。</p></div></section><section aria-labelledby="アクセシビリティ"><h2 id="アクセシビリティ"><a href="#アクセシビリティ">アクセシビリティ</a></h2><div class="section-content"></div></section><section aria-labelledby="対話型コンテンツ"><h3 id="対話型コンテンツ"><a href="#対話型コンテンツ">対話型コンテンツ</a></h3><div class="section-content"><p><code>label</code> の中に<a href="/ja/docs/Web/HTML/Element/a">アンカー</a>や<a href="/ja/docs/Web/HTML/Element/button">ボタン</a>のような対話型要素を配置しないでください。そのようにすると、ユーザーが <code>label</code> に関連したフォーム入力欄を有効化しにくくなります。</p> <p><strong>悪い例:</strong></p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html example-bad notranslate"><code><label for="tac"> <input id="tac" type="checkbox" name="terms-and-conditions" /> <a href="terms-and-conditions.html">利用規約と利用条件</a>に同意します。 </label> </code></pre></div> <p><strong>良い例:</strong></p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html example-good notranslate"><code><label for="tac"> <input id="tac" type="checkbox" name="terms-and-conditions" /> 利用規約と利用条件に同意します。 </label> <p> <a href="terms-and-conditions.html">利用規約と利用条件を読む</a> </p> </code></pre></div></div></section><section aria-labelledby="見出し"><h3 id="見出し"><a href="#見出し">見出し</a></h3><div class="section-content"><p><code><label></code> の中に<a href="/ja/docs/Web/HTML/Element/Heading_Elements">見出し要素</a>を配置すると、数多くの種類の支援技術を妨げることになります。見出しは一般的に<a href="/ja/docs/Web/HTML/Element/Heading_Elements#%E3%83%8A%E3%83%93%E3%82%B2%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3">ナビゲーションエイド</a>として使用されるためです。ラベルの文字列を視覚的に調整する必要がある場合は、代わりに <code><label></code> 要素に CSS クラスを適用してください。</p> <p><a href="/ja/docs/Web/HTML/Element/form">フォーム</a>、またはフォームのセクションにタイトルが必要な場合は、 <a href="/ja/docs/Web/HTML/Element/legend"><code><legend></code></a> を <a href="/ja/docs/Web/HTML/Element/fieldset"><code><fieldset></code></a> の中に配置して使用してください。</p> <p><strong>悪い例:</strong></p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html example-bad notranslate"><code><label for="your-name"> <h3>Your name</h3> <input id="your-name" name="your-name" type="text" /> </label> </code></pre></div> <p><strong>良い例:</strong></p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html example-good notranslate"><code><label class="large-label" for="your-name"> Your name <input id="your-name" name="your-name" type="text" /> </label> </code></pre></div></div></section><section aria-labelledby="ボタン"><h3 id="ボタン"><a href="#ボタン">ボタン</a></h3><div class="section-content"><p><a href="/ja/docs/Web/HTML/Element/input"><code><input></code></a> 要素に <code>type="button"</code> がついた宣言に妥当な <code>value</code> 属性があれば、関連付けるラベルは必要ありません。ラベルを付けると、支援技術がボタン入力をどう解釈するかをじゃまする可能性があります。 <a href="/ja/docs/Web/HTML/Element/button"><code><button></code></a> 要素でも同じことが言えます。</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="暗黙のラベルの定義"><h3 id="暗黙のラベルの定義"><a href="#暗黙のラベルの定義">暗黙のラベルの定義</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><label>Click me <input type="text" /></label> </code></pre></div><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Simple label example sample" id="frame_simple_label_example" width="200" height="60" src="about:blank" data-live-path="/ja/docs/Web/HTML/Element/label" data-live-id="simple_label_example" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="for_属性をつけた明示的なラベルの定義"><h3 id="for_属性をつけた明示的なラベルの定義"><a href="#for_属性をつけた明示的なラベルの定義">"for" 属性をつけた明示的なラベルの定義</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><label for="username">Click me to focus on the input field</label> <input type="text" id="username" /> </code></pre></div><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Using the for attribute sample" id="frame_using_the_for_attribute" width="200" height="60" src="about:blank" data-live-path="/ja/docs/Web/HTML/Element/label" data-live-id="using_the_for_attribute" 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>, <a href="/ja/docs/Web/HTML/Content_categories#記述コンテンツ">記述コンテンツ</a>, <a href="/ja/docs/Web/HTML/Content_categories#対話型コンテンツ">対話型コンテンツ</a>, <a href="/ja/docs/Web/HTML/Content_categories#フォーム関連コンテンツ">フォーム関連要素</a>, 知覚可能コンテンツ </td> </tr> <tr> <th scope="row">許可されている内容</th> <td> <a href="/ja/docs/Web/HTML/Content_categories#記述コンテンツ">記述コンテンツ</a>、ただし、子孫に <code>label</code> 要素を持つことはできない。ラベル付けの対象となるコントロール以外の<a href="/ja/docs/Web/HTML/Content_categories#ラベル付け可能">ラベル付け可能</a>要素を入れてはならない。 </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#記述コンテンツ">記述コンテンツ</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><a href="https://www.w3.org/TR/html-aria/#dfn-no-corresponding-role" class="external" target="_blank">対応するロールなし</a></td> </tr> <tr> <th scope="row">許可されている ARIA ロール</th> <td>許可されている <code>role</code> なし</td> </tr> <tr> <th scope="row">DOM インターフェイス</th> <td><a href="/ja/docs/Web/API/HTMLLabelElement"><code>HTMLLabelElement</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/forms.html#the-label-element">HTML Standard <br/><small># the-label-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. 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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/label","doc":{"isMarkdown":true,"isTranslated":true,"isActive":true,"flaws":{},"title":"<label>: ラベル要素","mdn_url":"/ja/docs/Web/HTML/Element/label","locale":"ja","native":"日本語","browserCompat":["html.elements.label"],"baseline":{"baseline":"high","baseline_high_date":"2018-01-29","baseline_low_date":"2015-07-29","support":{"chrome":"1","chrome_android":"18","edge":"12","firefox":"1","firefox_android":"4","safari":"≤4","safari_ios":"≤3.2"}},"sidebarHTML":"\n <ol>\n <li class=\"section\"><a href=\"/ja/docs/Web/HTML\">HTML</a></li>\n <li class=\"section\"><a href=\"/ja/docs/Learn/HTML\">チュートリアル</a></li>\n <li><a href=\"/ja/docs/Learn/Getting_started_with_the_web/HTML_basics\">HTML の基本</a></li>\n <li class=\"toggle\">\n <details>\n <summary>HTML 入門</summary>\n <ol>\n <li><a href=\"/ja/docs/Learn/HTML/Introduction_to_HTML\">HTML 入門の概要</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Introduction_to_HTML/Getting_started\">HTML を始めよう</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Introduction_to_HTML/The_head_metadata_in_HTML\">ヘッド部には何が入る? HTML のメタデータ</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Introduction_to_HTML/HTML_text_fundamentals\">HTML テキストの基礎</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Introduction_to_HTML/Creating_hyperlinks\">ハイパーリンクの作成</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Introduction_to_HTML/Advanced_text_formatting\">高度なテキスト整形</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Introduction_to_HTML/Document_and_website_structure\">文書とウェブサイトの構造</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Introduction_to_HTML/Debugging_HTML\">HTML のデバッグ</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Introduction_to_HTML/Marking_up_a_letter\">評価課題: 手紙のマークアップ</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Introduction_to_HTML/Structuring_a_page_of_content\">評価課題: コンテンツのページの構造化</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>マルチメディアとその埋め込み</summary>\n <ol>\n <li><a href=\"/ja/docs/Learn/HTML/Multimedia_and_embedding\">マルチメディアとその埋め込みの概要</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Multimedia_and_embedding/Images_in_HTML\">HTML の画像</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Multimedia_and_embedding/Video_and_audio_content\">動画と音声のコンテンツ</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Multimedia_and_embedding/Other_embedding_technologies\">object から iframe まで — その他の埋め込み技術</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Multimedia_and_embedding/Adding_vector_graphics_to_the_Web\">ウェブへのベクターグラフィックの追加</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Multimedia_and_embedding/Responsive_images\">レスポンシブ画像</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Multimedia_and_embedding/Mozilla_splash_page\">評価課題: Mozilla のスプラッシュページ</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>HTML の表</summary>\n <ol>\n <li><a href=\"/ja/docs/Learn/HTML/Tables\">HTML の表の概要</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Tables/Basics\">HTML の表の基本</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Tables/Advanced\">HTML 表の高度な機能とアクセシビリティ</a></li>\n <li><a href=\"/ja/docs/Learn/HTML/Tables/Structuring_planet_data\">評価課題: 太陽系の惑星データの構造化</a></li>\n </ol>\n </details>\n </li>\n <li class=\"section\"><a href=\"/ja/docs/Web/HTML/Reference\">リファレンス</a></li>\n <li class=\"toggle\">\n <details open=\"\">\n <summary>HTML 要素</summary>\n <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=\"/ja/docs/Web/HTML/Element/fencedframe\"><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><em><a href=\"/ja/docs/Web/HTML/Element/label\" aria-current=\"page\"><code><label></code></a></em></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><a href=\"/ja/docs/Web/HTML/Element/ol\"><code><ol></code></a></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/portal\"><code><portal></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/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>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>グローバル属性</summary>\n <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\">Non-standard</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><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/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>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Attributes</summary>\n <ol>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/accept\">accept</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/autocomplete\">autocomplete</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/capture\">capture</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/crossorigin\">crossorigin</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/dirname\">dirname</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/disabled\">disabled</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/elementtiming\">elementtiming</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/for\">for</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/max\">max</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/maxlength\">maxlength</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/min\">min</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/minlength\">minlength</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/multiple\">multiple</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/pattern\">pattern</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/placeholder\">placeholder</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/readonly\">readonly</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/rel\">rel</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/required\">required</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/size\">size</a></li>\n \n <li><a href=\"/ja/docs/Web/HTML/Attributes/step\">step</a></li>\n \n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary><code><input></code> 型</summary>\n <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>\n </details>\n </li>\n <li class=\"section no-link\">Guides</li>\n <li>\n <ol>\n <li><a href=\"/ja/docs/Web/HTML/Content_categories\">コンテンツカテゴリー</a></li>\n <li><a href=\"/ja/docs/Glossary/Block-level_content\">Block-level elements</a></li>\n <li><a href=\"/ja/docs/Glossary/Inline-level_content\">Inline elements</a></li>\n <li><a href=\"/ja/docs/Web/HTML/Quirks_Mode_and_Standards_Mode\">Quirks Mode and Standards Mode</a></li>\n <li><a href=\"/ja/docs/Web/HTML/Date_and_time_formats\">Date and time formats used in HTML</a></li>\n <li><a href=\"/ja/docs/Web/HTML/Constraint_validation\">制約検証</a></li>\n <li><a href=\"/ja/docs/Web/HTML/Microdata\">Microdata</a></li>\n <li><a href=\"/ja/docs/Web/HTML/microformats\">Microformats</a></li>\n <li><a href=\"/ja/docs/Web/HTML/Viewport_meta_tag\">Viewport meta tag</a></li>\n <li><a href=\"/ja/docs/Web/HTML/CORS_enabled_image\">Allowing cross-origin use of images and canvas</a></li>\n </ol>\n </li>\n </ol>\n","sidebarMacro":"HTMLSidebar","body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p><strong><code><label></code></strong> は <a href=\"/ja/docs/Web/HTML\">HTML</a> の要素で、ユーザーインターフェイスの項目のキャプションを表します。</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/label.html\" title=\"MDN Web Docs Interactive Example\" allow=\"clipboard-write\" loading=\"lazy\"></iframe>\n<p><code><label></code> を <a href=\"/ja/docs/Web/HTML/Element/input\"><code><input></code></a> や <a href=\"/ja/docs/Web/HTML/Element/textarea\"><code><textarea></code></a> などのフォーム要素と関連付けると、いくらかの利点が発生します。</p>\n<ul>\n <li>ラベルのテキストが、対応するテキスト入力欄に視覚的に関連付けられるだけではありません。プログラム的にも関連付けられます。つまり、例えばユーザーがフォーム入力欄にフォーカスを移動した時、読み上げソフトがラベルを読み上げ、支援技術のユーザーが何のデータを入力するべきか理解しやすくすることができます。</li>\n <li>関連付けられたラベルをクリックして、入力欄自体をクリックした場合と同様に、入力欄にフォーカスを与えたりアクティブ化にしたりすることができます。こうしてヒット領域を拡大すると、タッチパネルの端末を使用している場合を含めて、入力欄をアクティブ化させやすくなります。</li>\n</ul>\n<p><code><label></code> 要素と <code><input></code> 要素を明示的に関連付けるには、最初に <code>id</code> 属性を <code><input></code> 要素に追加します。次に、<code>for</code> 属性を <code><label></code> 要素に追加します。<code>for</code> の値は <code><input></code> 要素の <code>id</code> と同じにします。</p>\n<p>他の方法として、 <code><input></code> を直接 <code><label></code> の内側に入れることができますが、この場合は関連付けが明確なので、 <code>for</code> および <code>id</code> 属性は必要ありません。</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><label>\n Do you like peas?\n <input type=\"checkbox\" name=\"peas\" />\n</label>\n</code></pre></div>\n<p>ラベルがラベル付けするフォームコントロールは、 label 要素の <em>ラベル対象コントロール</em> と呼ばれます。複数のラベルを同じフォームコントロールに関連付けることができます。</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><label for=\"username\">名前を入力してください:</label>\n<input id=\"username\" name=\"username\" type=\"text\" />\n<label for=\"username\">名前を忘れてしまいましたか？</label>\n</code></pre></div>\n<p><code><label></code> 要素に関連付けることができる要素には <a href=\"/ja/docs/Web/HTML/Element/button\"><code><button></code></a>, <a href=\"/ja/docs/Web/HTML/Element/input\"><code><input></code></a> (<code>type=\"hidden\"</code> を除く), <a href=\"/ja/docs/Web/HTML/Element/meter\"><code><meter></code></a>, <a href=\"/ja/docs/Web/HTML/Element/output\"><code><output></code></a>, <a href=\"/ja/docs/Web/HTML/Element/progress\"><code><progress></code></a>, <a href=\"/ja/docs/Web/HTML/Element/select\"><code><select></code></a>, <a href=\"/ja/docs/Web/HTML/Element/textarea\"><code><textarea></code></a> があります。</p>"}},{"type":"prose","value":{"id":"属性","title":"属性","isH3":false,"content":"<p>この要素には<a href=\"/ja/docs/Web/HTML/Global_attributes\">グローバル属性</a>があります。</p>\n<dl>\n <dt id=\"for\"><a href=\"/ja/docs/Web/HTML/Attributes/for\"><code>for</code></a></dt>\n <dd>\n <p><code>for</code> 属性の値は単一の <a href=\"/ja/docs/Web/HTML/Global_attributes/id\"><code>id</code></a> でなければならず、これは <code><label></code> 要素と同一の文書内にある<a href=\"/ja/docs/Web/HTML/Content_categories#%E3%83%A9%E3%83%99%E3%83%AB%E4%BB%98%E3%81%91%E5%8F%AF%E8%83%BD\">ラベル付け可能</a>なフォーム関連要素のものです。従って、この <code>label</code> 要素が関連付けられるのはフォームコントロール 1 つだけです。</p>\n <div class=\"notecard note\">\n <p><strong>メモ:</strong> プログラムから <code>for</code> 属性を設定する場合は、 <a href=\"/ja/docs/Web/API/HTMLLabelElement/htmlFor\"><code>htmlFor</code></a> を使用してください。</p>\n </div>\n <p>文書内で <code>for</code> 属性の値に一致する <code>id</code> 属性を持つ最初の要素が、この <code>label</code> 要素の <em>ラベル対象コントロール</em> になります（その <code>id</code> を持つ要素が実際に <a href=\"https://html.spec.whatwg.org/multipage/forms.html#category-label\" class=\"external\" target=\"_blank\">ラベル付け可能要素</a> である場合）。このラベル付け可能な要素でない場合は、 <code>for</code> 属性は何も効果がありません。もし、文書の後半に <code>id</code> の値に一致する他の要素があったとしても、それらは考慮されません。</p>\n <p>複数の <code>label</code> 要素の <code>for</code> 属性に同じ値を指定することができます。そうすると、関連するフォームコントロール（<code>for</code> 値が参照するフォームコントロール）は複数のラベルを持つことになります。</p>\n <div class=\"notecard note\">\n <p><strong>メモ:</strong> <code><label></code> 要素は、包含するコントロール要素が <code>for</code> 属性が指す要素である場合、 <code>for</code> 属性を持ちつつ、中にコントロール要素を含めることができます。</p>\n </div>\n </dd>\n</dl>"}},{"type":"prose","value":{"id":"css_のスタイル付け","title":"CSS のスタイル付け","isH3":false,"content":"<p><code><label></code> には特殊なスタイル上の考慮事項はありません。構造的に単純なインライン要素であり、ほとんどは <a href=\"/ja/docs/Web/HTML/Element/span\"><code><span></code></a> や <a href=\"/ja/docs/Web/HTML/Element/a\"><code><a></code></a> 要素と同じ方法でスタイルを適用します。テキストが読みにくくならない限り、あらゆる方法でスタイルを適用することができます。</p>"}},{"type":"prose","value":{"id":"アクセシビリティ","title":"アクセシビリティ","isH3":false,"content":""}},{"type":"prose","value":{"id":"対話型コンテンツ","title":"対話型コンテンツ","isH3":true,"content":"<p><code>label</code> の中に<a href=\"/ja/docs/Web/HTML/Element/a\">アンカー</a>や<a href=\"/ja/docs/Web/HTML/Element/button\">ボタン</a>のような対話型要素を配置しないでください。そのようにすると、ユーザーが <code>label</code> に関連したフォーム入力欄を有効化しにくくなります。</p>\n<p><strong>悪い例:</strong></p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html example-bad notranslate\"><code><label for=\"tac\">\n <input id=\"tac\" type=\"checkbox\" name=\"terms-and-conditions\" />\n <a href=\"terms-and-conditions.html\">利用規約と利用条件</a>に同意します。\n</label>\n</code></pre></div>\n<p><strong>良い例:</strong></p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html example-good notranslate\"><code><label for=\"tac\">\n <input id=\"tac\" type=\"checkbox\" name=\"terms-and-conditions\" />\n 利用規約と利用条件に同意します。\n</label>\n<p>\n <a href=\"terms-and-conditions.html\">利用規約と利用条件を読む</a>\n</p>\n</code></pre></div>"}},{"type":"prose","value":{"id":"見出し","title":"見出し","isH3":true,"content":"<p><code><label></code> の中に<a href=\"/ja/docs/Web/HTML/Element/Heading_Elements\">見出し要素</a>を配置すると、数多くの種類の支援技術を妨げることになります。見出しは一般的に<a href=\"/ja/docs/Web/HTML/Element/Heading_Elements#%E3%83%8A%E3%83%93%E3%82%B2%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3\">ナビゲーションエイド</a>として使用されるためです。ラベルの文字列を視覚的に調整する必要がある場合は、代わりに <code><label></code> 要素に CSS クラスを適用してください。</p>\n<p><a href=\"/ja/docs/Web/HTML/Element/form\">フォーム</a>、またはフォームのセクションにタイトルが必要な場合は、 <a href=\"/ja/docs/Web/HTML/Element/legend\"><code><legend></code></a> を <a href=\"/ja/docs/Web/HTML/Element/fieldset\"><code><fieldset></code></a> の中に配置して使用してください。</p>\n<p><strong>悪い例:</strong></p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html example-bad notranslate\"><code><label for=\"your-name\">\n <h3>Your name</h3>\n <input id=\"your-name\" name=\"your-name\" type=\"text\" />\n</label>\n</code></pre></div>\n<p><strong>良い例:</strong></p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html example-good notranslate\"><code><label class=\"large-label\" for=\"your-name\">\n Your name\n <input id=\"your-name\" name=\"your-name\" type=\"text\" />\n</label>\n</code></pre></div>"}},{"type":"prose","value":{"id":"ボタン","title":"ボタン","isH3":true,"content":"<p><a href=\"/ja/docs/Web/HTML/Element/input\"><code><input></code></a> 要素に <code>type=\"button\"</code> がついた宣言に妥当な <code>value</code> 属性があれば、関連付けるラベルは必要ありません。ラベルを付けると、支援技術がボタン入力をどう解釈するかをじゃまする可能性があります。 <a href=\"/ja/docs/Web/HTML/Element/button\"><code><button></code></a> 要素でも同じことが言えます。</p>"}},{"type":"prose","value":{"id":"例","title":"例","isH3":false,"content":""}},{"type":"prose","value":{"id":"暗黙のラベルの定義","title":"暗黙のラベルの定義","isH3":true,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><label>Click me <input type=\"text\" /></label>\n</code></pre></div><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Simple label example sample\" id=\"frame_simple_label_example\" width=\"200\" height=\"60\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/HTML/Element/label\" data-live-id=\"simple_label_example\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"for_属性をつけた明示的なラベルの定義","title":"\"for\" 属性をつけた明示的なラベルの定義","isH3":true,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><label for=\"username\">Click me to focus on the input field</label>\n<input type=\"text\" id=\"username\" />\n</code></pre></div><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Using the for attribute sample\" id=\"frame_using_the_for_attribute\" width=\"200\" height=\"60\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/HTML/Element/label\" data-live-id=\"using_the_for_attribute\" 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\"><a href=\"/ja/docs/Web/HTML/Content_categories\">コンテンツカテゴリー</a></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>,\n <a href=\"/ja/docs/Web/HTML/Content_categories#記述コンテンツ\">記述コンテンツ</a>,\n <a href=\"/ja/docs/Web/HTML/Content_categories#対話型コンテンツ\">対話型コンテンツ</a>,\n <a href=\"/ja/docs/Web/HTML/Content_categories#フォーム関連コンテンツ\">フォーム関連要素</a>, 知覚可能コンテンツ\n </td>\n </tr>\n <tr>\n <th scope=\"row\">許可されている内容</th>\n <td>\n <a href=\"/ja/docs/Web/HTML/Content_categories#記述コンテンツ\">記述コンテンツ</a>、ただし、子孫に\n <code>label</code>\n 要素を持つことはできない。ラベル付けの対象となるコントロール以外の<a href=\"/ja/docs/Web/HTML/Content_categories#ラベル付け可能\">ラベル付け可能</a>要素を入れてはならない。\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><a href=\"/ja/docs/Web/HTML/Content_categories#記述コンテンツ\">記述コンテンツ</a>を受け入れるすべての要素</td>\n </tr>\n <tr>\n <th scope=\"row\">暗黙の ARIA ロール</th>\n <td><a href=\"https://www.w3.org/TR/html-aria/#dfn-no-corresponding-role\" class=\"external\" target=\"_blank\">対応するロールなし</a></td>\n </tr>\n <tr>\n <th scope=\"row\">許可されている ARIA ロール</th>\n <td>許可されている <code>role</code> なし</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/HTMLLabelElement\"><code>HTMLLabelElement</code></a></td>\n </tr>\n </tbody>\n</table></figure>"}},{"type":"specifications","value":{"title":"仕様書","id":"仕様書","isH3":false,"specifications":[{"bcdSpecificationURL":"https://html.spec.whatwg.org/multipage/forms.html#the-label-element","title":"HTML Standard"}],"query":"html.elements.label"}},{"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":"html.elements.label"}}],"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":"CSS のスタイル付け","id":"css_のスタイル付け"},{"text":"アクセシビリティ","id":"アクセシビリティ"},{"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"}],"summary":"<label> は HTML の要素で、ユーザーインターフェイスの項目のキャプションを表します。","popularity":0.002,"modified":"2024-10-25T12:25:41.000Z","other_translations":[{"locale":"de","title":"<label>: Das Label-Element","native":"Deutsch"},{"locale":"en-US","title":"<label>: The Label element","native":"English (US)"},{"locale":"es","title":"<label>","native":"Español"},{"locale":"fr","title":"<label>","native":"Français"},{"locale":"ko","title":"<label>","native":"한국어"},{"locale":"pt-BR","title":"<label>","native":"Português (do Brasil)"},{"locale":"ru","title":"<label>","native":"Русский"},{"locale":"zh-CN","title":"<label>","native":"中文 (简体)"}],"pageType":"unknown","source":{"folder":"ja/web/html/element/label","github_url":"https://github.com/mdn/translated-content/blob/main/files/ja/web/html/element/label/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/1cb10c16d061f199769e311dbfb333c4d1cbe426","filename":"index.md"},"short_title":"<label>","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/label","title":"<label>"}],"pageTitle":"<label>: ラベル要素 - HTML: ハイパーテキストマークアップ言語 | MDN","noIndexing":false}}</script></body></html>