{"id":933,"date":"2026-10-14T22:00:00","date_gmt":"2026-10-14T13:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=933"},"modified":"2026-10-14T07:41:38","modified_gmt":"2026-10-13T22:41:38","slug":"qs-wcag22-target-size-20261014","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=933","title":{"rendered":"WCAG 2.2\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u30b5\u30a4\u30ba\u3001\u30dc\u30bf\u30f3\u306e\u5927\u304d\u3055\u3068\u9593\u9694\u3092\u3069\u3046\u6e2c\u308b\u304b"},"content":{"rendered":"<p>\u753b\u9762\u306e\u5c0f\u3055\u306a\u30dc\u30bf\u30f3\u3092\u62bc\u305d\u3046\u3068\u3057\u3066\u3001\u96a3\u306e\u64cd\u4f5c\u3092\u9078\u3093\u3067\u3057\u307e\u3046\u3002\u3053\u3046\u3057\u305f\u8aa4\u64cd\u4f5c\u3092\u6e1b\u3089\u3059\u306b\u306f\u3001\u30a2\u30a4\u30b3\u30f3\u3092\u898b\u3084\u3059\u304f\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u5b9f\u969b\u306b\u53cd\u5fdc\u3059\u308b\u7bc4\u56f2\u3068\u3001\u305d\u306e\u5468\u308a\u306e\u4f59\u767d\u3092\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6307\u5148\u3067\u306e\u30bf\u30c3\u30c1\u306b\u9650\u3089\u305a\u3001\u30de\u30a6\u30b9\u3084\u30da\u30f3\u3067\u7d30\u304b\u3044\u4f4d\u7f6e\u3092\u72d9\u3046\u3068\u304d\u306b\u3082\u95a2\u308f\u308b\u8a2d\u8a08\u3067\u3059\u3002<\/p>\n<p>\u30a6\u30a7\u30d6\u306e\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u6307\u91dd\u3067\u3042\u308bWCAG 2.2\u306b\u306f\u3001\u3053\u306e\u7bc4\u56f2\u3092\u8a55\u4fa1\u3059\u308b\u300c\u30bf\u30fc\u30b2\u30c3\u30c8\u30b5\u30a4\u30ba\u300d\u306e\u9054\u6210\u57fa\u6e96\u304c\u3042\u308a\u307e\u3059\u3002\u3088\u304f\u898b\u304b\u3051\u308b24\u30d4\u30af\u30bb\u30eb\u306844\u30d4\u30af\u30bb\u30eb\u306f\u3001\u540c\u3058\u57fa\u6e96\u306e\u8a00\u3044\u63db\u3048\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4f55\u3092\u6e2c\u308a\u3001\u3069\u3053\u307e\u3067\u5224\u65ad\u3067\u304d\u308b\u6570\u5b57\u306a\u306e\u304b\u3092\u3001\u30dc\u30bf\u30f3\u306e\u914d\u7f6e\u4f8b\u304b\u3089\u6574\u7406\u3057\u307e\u3059\u3002<sup class=\"source-note\"><a href=\"#ref1\">[1]<\/a><\/sup><\/p>\n<section class=\"influvetor-quick-summary\" aria-label=\"\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>\u6e2c\u308b\u306e\u306f\u30a2\u30a4\u30b3\u30f3\u306e\u7d75\u3067\u306f\u306a\u304f\u3001\u30af\u30ea\u30c3\u30af\u3084\u30bf\u30c3\u30d7\u3092\u53d7\u3051\u4ed8\u3051\u308b\u9818\u57df\u3067\u3059\u3002CSS\u30d4\u30af\u30bb\u30eb\u306f\u3001\u753b\u9762\u3092\u69cb\u6210\u3059\u308b\u7269\u7406\u7684\u306a\u753b\u7d20\u3068\u306f\u5225\u306e\u5358\u4f4d\u3067\u3059\u3002<\/li>\n<li>\u30ec\u30d9\u30ebAA\u306e\u9054\u6210\u57fa\u6e962.5.8\u3067\u306f\u3001\u539f\u524724\u00d724 CSS\u30d4\u30af\u30bb\u30eb\u4ee5\u4e0a\u3002\u5c0f\u3055\u3044\u30bf\u30fc\u30b2\u30c3\u30c8\u3067\u3082\u3001\u6240\u5b9a\u306e\u9593\u9694\u306a\u3069\u306e\u4f8b\u5916\u6761\u4ef6\u3092\u6e80\u305f\u305b\u3070\u3001\u3053\u306e\u57fa\u6e96\u3092\u6e80\u305f\u305b\u307e\u3059\u3002<\/li>\n<li>44\u00d744 CSS\u30d4\u30af\u30bb\u30eb\u306f\u3001\u3088\u308a\u9ad8\u3044\u30ec\u30d9\u30ebAAA\u306e\u5225\u306e\u9054\u6210\u57fa\u6e96\u3067\u3059\u3002\u6700\u4f4e\u6761\u4ef6\u3078\u306e\u9069\u5408\u3068\u3001\u4f7f\u3046\u4eba\u306b\u3068\u3063\u3066\u306e\u64cd\u4f5c\u3057\u3084\u3059\u3055\u306f\u5206\u3051\u3066\u78ba\u304b\u3081\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u30a2\u30a4\u30b3\u30f3\u306e\u5916\u5074\u3082\u53cd\u5fdc\u3059\u308b\u306a\u3089\u3001\u305d\u3053\u307e\u3067\u304c\u30bf\u30fc\u30b2\u30c3\u30c8<\/h2>\n<p>WCAG\u3067\u3044\u3046\u30bf\u30fc\u30b2\u30c3\u30c8\u306f\u3001\u753b\u9762\u4e0a\u3067\u30dd\u30a4\u30f3\u30bf\u30fc\u64cd\u4f5c\u3092\u53d7\u3051\u4ed8\u3051\u308b\u9818\u57df\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u4e2d\u592e\u306b16\u00d716\u306e\u7d75\u304c\u3042\u308a\u3001\u305d\u306e\u5468\u56f2\u3092\u542b\u308032\u00d732 CSS\u30d4\u30af\u30bb\u30eb\u306e\u6b63\u65b9\u5f62\u5168\u4f53\u304c\u540c\u3058\u30dc\u30bf\u30f3\u3068\u3057\u3066\u53cd\u5fdc\u3059\u308b\u306a\u3089\u3001\u8a55\u4fa1\u3059\u308b\u5927\u304d\u3055\u306f32\u00d732\u3067\u3059\u3002\u7d75\u306e\u5916\u5074\u304c\u5358\u306a\u308b\u80cc\u666f\u3067\u3001\u62bc\u3057\u3066\u3082\u4f55\u3082\u8d77\u304d\u306a\u3044\u306a\u3089\u3001\u305d\u306e\u4f59\u767d\u306f\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u542b\u3081\u3089\u308c\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u5b9a\u7fa9\u306b\u57fa\u3065\u304f\u8aac\u660e\u4f8b\u3067\u3001\u7279\u5b9a\u306e\u88fd\u54c1\u3092\u6e2c\u5b9a\u3057\u305f\u7d50\u679c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<sup class=\"source-note\"><a href=\"#ref1\">[1]<\/a><\/sup><\/p>\n<p>\u3053\u3053\u3067\u306eCSS\u30d4\u30af\u30bb\u30eb\u306f\u3001\u30a6\u30a7\u30d6\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u4f7f\u3046\u5358\u4f4d\u3067\u3059\u3002\u9ad8\u5bc6\u5ea6\u306e\u30c7\u30a3\u30b9\u30d7\u30ec\u30fc\u306e\u7269\u7406\u7684\u306a\u753b\u7d20\u6570\u3092\u3001\u305d\u306e\u307e\u307e24\u308444\u3068\u6bd4\u8f03\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u5229\u7528\u8005\u304c\u30da\u30fc\u30b8\u3092\u62e1\u5927\u3059\u308c\u3070\u898b\u305f\u76ee\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u305d\u308c\u3092\u524d\u63d0\u306b\u5143\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u30b5\u30a4\u30ba\u306e\u4e0d\u8db3\u3092\u89e3\u6d88\u3057\u305f\u3053\u3068\u306b\u306f\u3067\u304d\u307e\u305b\u3093\u3002<sup class=\"source-note\"><a href=\"#ref1\">[1]<\/a><a href=\"#ref2\">[2]<\/a><\/sup><\/p>\n<h2>24\u00d724\u306e\u5927\u304d\u3055\u304b\u3001\u96a3\u3068\u53d6\u308a\u9055\u3048\u306b\u304f\u3044\u9593\u9694\u304b<\/h2>\n<p>\u30ec\u30d9\u30ebAA\u306e\u9054\u6210\u57fa\u6e962.5.8\u300cTarget Size (Minimum)\u300d\u306f\u3001\u539f\u5247\u3068\u3057\u3066\u30bf\u30fc\u30b2\u30c3\u30c8\u306b24\u00d724 CSS\u30d4\u30af\u30bb\u30eb\u4ee5\u4e0a\u306e\u5927\u304d\u3055\u3092\u6c42\u3081\u3066\u3044\u307e\u3059\u3002W3C\u306e\u89e3\u8aac\u3067\u306f\u3001\u753b\u9762\u306e\u6a2a\u8ef8\u30fb\u7e26\u8ef8\u306b\u6cbf\u3063\u305f24\u00d724\u306e\u6b63\u65b9\u5f62\u304c\u3001\u64cd\u4f5c\u3067\u304d\u308b\u9818\u57df\u306e\u4e2d\u306b\u53ce\u307e\u308b\u304b\u3067\u8003\u3048\u307e\u3059\u3002\u4e38\u3084\u89d2\u306e\u4e38\u3044\u5f62\u3067\u306f\u3001\u5916\u63a5\u3059\u308b\u56db\u89d2\u306e\u5e45\u3068\u9ad8\u3055\u3060\u3051\u3092\u898b\u3066\u6e08\u307e\u305b\u306a\u3044\u70b9\u306b\u3082\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<sup class=\"source-note\"><a href=\"#ref1\">[1]<\/a><a href=\"#ref2\">[2]<\/a><\/sup><\/p>\n<p>\u305d\u308c\u3088\u308a\u5c0f\u3055\u3044\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u306f\u3001\u9593\u9694\u306b\u3088\u308b\u4f8b\u5916\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u3001\u6a2a\u8ef8\u30fb\u7e26\u8ef8\u306b\u6cbf\u3063\u3066\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u56f2\u3080\u6700\u5c0f\u306e\u9577\u65b9\u5f62\u3001\u3064\u307e\u308a\u30d0\u30a6\u30f3\u30c7\u30a3\u30f3\u30b0\u30dc\u30c3\u30af\u30b9\u306e\u4e2d\u5fc3\u306b\u3001\u76f4\u5f8424 CSS\u30d4\u30af\u30bb\u30eb\u306e\u4eee\u60f3\u306e\u5186\u3092\u7f6e\u304d\u307e\u3059\u3002\u8fd1\u304f\u306e\u5c0f\u3055\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3082\u540c\u3058\u5186\u3092\u7f6e\u304d\u3001\u4ed6\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u3084\u4ed6\u306e\u5186\u3068\u91cd\u306a\u3089\u306a\u3044\u304b\u3092\u8abf\u3079\u307e\u3059\u3002\u5186\u306f\u8a55\u4fa1\u306e\u305f\u3081\u306e\u76ee\u5370\u3067\u3042\u3063\u3066\u3001\u5b9f\u969b\u306e\u53cd\u5fdc\u9818\u57df\u3092\u5186\u5f62\u306b\u5e83\u3052\u308b\u6307\u793a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<sup class=\"source-note\"><a href=\"#ref1\">[1]<\/a><a href=\"#ref2\">[2]<\/a><\/sup><\/p>\n<p>\u4e0b\u306eW3C\u306e\u56f3\u306f\u3001\u540c\u3058\u7a2e\u985e\u306e\u30dc\u30bf\u30f3\u3092\u4e09\u901a\u308a\u306b\u914d\u7f6e\u3057\u305f\u4f8b\u3067\u3059\u3002\u4e0a\u6bb5\u306f\u5404\u30bf\u30fc\u30b2\u30c3\u30c8\u304c24\u00d724\u3067\u3001\u5927\u304d\u3055\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u307e\u3059\u3002\u4e2d\u6bb5\u306f20\u00d720\u3067\u3059\u304c\u3001\u9593\u306b4 CSS\u30d4\u30af\u30bb\u30eb\u306e\u4f59\u767d\u304c\u3042\u308a\u307e\u3059\u3002\u96a3\u3069\u3046\u3057\u306e\u4e2d\u5fc3\u9593\u306f20\uff0b4\uff1d24\u3068\u306a\u308a\u3001\u9593\u9694\u306e\u4f8b\u5916\u3092\u6e80\u305f\u3057\u307e\u3059\u3002\u4e0b\u6bb5\u306f20\u00d720\u3092\u9699\u9593\u306a\u304f\u4e26\u3079\u305f\u305f\u3081\u3001\u76f4\u5f8424\u306e\u5186\u304c\u91cd\u306a\u308a\u3001\u3053\u306e\u4f8b\u5916\u3092\u6e80\u305f\u3057\u307e\u305b\u3093\u3002<sup class=\"source-note\"><a href=\"#ref2\">[2]<\/a><\/sup><\/p>\n<figure class=\"qs-source-figure\" style=\"width:720px;max-width:100%;margin:1.5em auto;\">\n<div style=\"overflow-x:auto;\"><a href=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-wcag22-target-size-20261014-source-figure-59fd991075eb.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-wcag22-target-size-20261014-source-figure-59fd991075eb.png\" width=\"2240\" height=\"1060\" style=\"display:block;width:720px;max-width:none;height:auto;\" alt=\"\u4e09\u6bb5\u306e\u30dc\u30bf\u30f3\u914d\u7f6e\u3002\u4e0a\u6bb5\u306f24\u00d724 CSS\u30d4\u30af\u30bb\u30eb\u3067\u5408\u683c\u3001\u4e2d\u6bb5\u306f20\u00d720\u30684\u30d4\u30af\u30bb\u30eb\u306e\u9593\u9694\u3067\u5408\u683c\u3001\u4e0b\u6bb5\u306f20\u00d720\u3067\u9593\u9694\u304c\u306a\u304f\u4eee\u60f3\u5186\u304c\u91cd\u306a\u308a\u4e0d\u5408\u683c\u3002\"><\/a><\/div><figcaption>W3C\u300cUnderstanding SC 2.5.8\u300dFigure 5\u3002\u5927\u304d\u3055\u3067\u6e80\u305f\u3059\u4f8b\u3001\u9593\u9694\u3067\u6e80\u305f\u3059\u4f8b\u3001\u9593\u9694\u304c\u4e0d\u8db3\u3059\u308b\u4f8b\u306e\u6bd4\u8f03\u3002\u56f3\u306f\u8aac\u660e\u7528\u306b\u62e1\u5927\u8868\u793a\u3057\u3066\u304a\u308a\u3001\u8868\u793a\u4e0a\u306e\u5bf8\u6cd5\u3067\u306f\u306a\u304f\u56f3\u4e2d\u306eCSS\u30d4\u30af\u30bb\u30eb\u5024\u3092\u8aad\u307f\u307e\u3059\u3002\u72ed\u3044\u753b\u9762\u3067\u306f\u56f3\u3092\u5de6\u53f3\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u304d\u307e\u3059\u3002<br \/>Copyright \u00a9 2026 World Wide Web Consortium. <a href=\"https:\/\/www.w3.org\/WAI\/WCAG22\/Understanding\/target-size-minimum.html#target-spacing-toolbar\">\u539f\u56f3\u3068\u89e3\u8aac<\/a>\u3002W3C Software and Document License\uff082023\uff09\u3001<a href=\"#w3c-figure-notice\">\u5229\u7528\u6761\u4ef6\u5168\u6587<\/a>\u3002SVG\u3092PNG\u3078\u5909\u63db\u3057\u3001\u5185\u5bb9\u306e\u5909\u66f4\u30fb\u5207\u629c\u304d\u306f\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/figcaption><\/figure>\n<p>\u305f\u3060\u3057\u3001\u300c\u30dc\u30bf\u30f3\u306e\u9593\u306b\u306f\u5e38\u306b4\u30d4\u30af\u30bb\u30eb\u3042\u308c\u3070\u3088\u3044\u300d\u3068\u3044\u3046\u898f\u5247\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u30024\u306f\u3001\u3053\u306e20\u00d720\u306e\u6b63\u65b9\u5f62\u3092\u4e00\u5217\u306b\u4e26\u3079\u305f\u4f8b\u304b\u3089\u51fa\u3066\u304f\u308b\u5024\u3067\u3059\u3002\u4e0a\u4e0b\u306b\u3082\u5225\u306e\u30dc\u30bf\u30f3\u304c\u3042\u308c\u3070\u3001\u305d\u3061\u3089\u3068\u306e\u91cd\u306a\u308a\u3082\u78ba\u8a8d\u3057\u307e\u3059\u3002\u76f8\u624b\u304c\u5927\u304d\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u306a\u3089\u3001\u5c0f\u3055\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u7f6e\u3044\u305f\u5186\u3068\u3001\u305d\u306e\u5927\u304d\u306a\u9818\u57df\u81ea\u4f53\u306e\u91cd\u306a\u308a\u3092\u8abf\u3079\u307e\u3059\u3002<sup class=\"source-note\"><a href=\"#ref2\">[2]<\/a><\/sup><\/p>\n<h2>44\u30d4\u30af\u30bb\u30eb\u306f\u3001\u9593\u9694\u306e\u4ee3\u308f\u308a\u3067\u306f\u306a\u304f\u5225\u306e\u57fa\u6e96<\/h2>\n<p>44\u00d744 CSS\u30d4\u30af\u30bb\u30eb\u306f\u3001\u30ec\u30d9\u30ebAAA\u306e\u9054\u6210\u57fa\u6e962.5.5\u300cTarget Size (Enhanced)\u300d\u306b\u767b\u5834\u3057\u307e\u3059\u3002\u3053\u3061\u3089\u306b\u3082\u6587\u7ae0\u4e2d\u306e\u30ea\u30f3\u30af\u306a\u3069\u306e\u4f8b\u5916\u306f\u3042\u308a\u307e\u3059\u304c\u30012.5.8\u3068\u540c\u3058\u300c\u9593\u9694\u300d\u306e\u4f8b\u5916\u306f\u3042\u308a\u307e\u305b\u3093\u300220\u00d720\u306e\u30dc\u30bf\u30f3\u3092\u96e2\u3057\u3066\u914d\u7f6e\u3057\u30012.5.8\u3092\u6e80\u305f\u305b\u305f\u304b\u3089\u3068\u3044\u3063\u3066\u30012.5.5\u3082\u6e80\u305f\u3057\u305f\u3068\u306f\u3044\u3048\u307e\u305b\u3093\u3002<sup class=\"source-note\"><a href=\"#ref1\">[1]<\/a><a href=\"#ref3\">[3]<\/a><\/sup><\/p>\n<div style=\"width:720px;max-width:100%;margin:1.5em auto;overflow-x:auto;\">\n<table style=\"width:100%;min-width:580px;border-collapse:collapse;\">\n<caption>\u4e8c\u3064\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u30b5\u30a4\u30ba\u57fa\u6e96\u306e\u9055\u3044\uff08\u539f\u6587\u304b\u3089\u7de8\u96c6\u90e8\u6574\u7406\uff09<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">\u9054\u6210\u57fa\u6e96<\/th>\n<th scope=\"col\">\u57fa\u672c\u306e\u5927\u304d\u3055<\/th>\n<th scope=\"col\">\u9593\u9694\u306b\u3088\u308b\u4f8b\u5916<\/th>\n<th scope=\"col\">\u8a55\u4fa1\u306e\u7bc4\u56f2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2.5.8 Minimum\u30fbAA<\/td>\n<td>24\u00d724 CSS\u30d4\u30af\u30bb\u30eb<\/td>\n<td>\u6240\u5b9a\u306e\u5186\u3067\u78ba\u8a8d\u3059\u308b\u6761\u4ef6\u304c\u3042\u308b<\/td>\n<td>\u5c0f\u3055\u3044\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u96a3\u306e\u9818\u57df\u3092\u542b\u3081\u3066\u78ba\u8a8d<\/td>\n<\/tr>\n<tr>\n<td>2.5.5 Enhanced\u30fbAAA<\/td>\n<td>44\u00d744 CSS\u30d4\u30af\u30bb\u30eb<\/td>\n<td>\u540c\u3058\u4f8b\u5916\u306f\u306a\u3044<\/td>\n<td>\u5927\u304d\u3055\u3068\u3001\u3053\u306e\u57fa\u6e96\u306b\u5b9a\u3081\u3089\u308c\u305f\u5225\u306e\u4f8b\u5916\u3092\u78ba\u8a8d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u307e\u305f\u3001\u3053\u306e\u4e8c\u3064\u306fWCAG\u5168\u4f53\u306e\u4e00\u90e8\u3067\u3059\u30022.5.8\u3092\u6e80\u305f\u3059\u3060\u3051\u3067\u3001\u305d\u306e\u30da\u30fc\u30b8\u5168\u4f53\u304c\u30ec\u30d9\u30ebAA\u306b\u9069\u5408\u3057\u305f\u3053\u3068\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u30ec\u30d9\u30ebAA\u306b\u306f\u3001\u30ec\u30d9\u30ebA\u3068AA\u306e\u3059\u3079\u3066\u306e\u9054\u6210\u57fa\u6e96\u306a\u3069\u3001\u9069\u5408\u306e\u305f\u3081\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<sup class=\"source-note\"><a href=\"#ref1\">[1]<\/a><\/sup><\/p>\n<h2>\u6587\u7ae0\u4e2d\u306e\u30ea\u30f3\u30af\u3092\u3001\u3059\u3079\u3066\u30dc\u30bf\u30f3\u306b\u5e83\u3052\u308b\u5fc5\u8981\u306f\u306a\u3044<\/h2>\n<p>2.5.8\u306b\u306f\u3001\u9593\u9694\u4ee5\u5916\u306b\u3082\u56db\u3064\u306e\u4f8b\u5916\u304c\u3042\u308a\u307e\u3059\u3002\u540c\u3058\u30da\u30fc\u30b8\u306b\u6761\u4ef6\u3092\u6e80\u305f\u3059\u5225\u306e\u64cd\u4f5c\u624b\u6bb5\u304c\u3042\u308b\u5834\u5408\u3001\u6587\u7ae0\u5185\u3084\u975e\u30bf\u30fc\u30b2\u30c3\u30c8\u6587\u5b57\u306e\u884c\u9ad8\u306b\u5236\u7d04\u3055\u308c\u308b\u5834\u5408\u3001\u30d6\u30e9\u30a6\u30b6\u30fc\u7b49\u304c\u6c7a\u3081\u305f\u5927\u304d\u3055\u3092\u4f5c\u8005\u304c\u5909\u3048\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u7279\u5b9a\u306e\u8868\u793a\u304c\u60c5\u5831\u3092\u4f1d\u3048\u308b\u3046\u3048\u3067\u4e0d\u53ef\u6b20\u3001\u307e\u305f\u306f\u6cd5\u4ee4\u3067\u5fc5\u8981\u3068\u3055\u308c\u308b\u5834\u5408\u3067\u3059\u3002\u4f8b\u5916\u3054\u3068\u306b\u6761\u4ef6\u304c\u7570\u306a\u308b\u306e\u3067\u3001\u898b\u305f\u76ee\u304c\u5c0f\u3055\u3044\u3053\u3068\u3060\u3051\u3067\u4e00\u5f8b\u306b\u4e0d\u5408\u683c\u306b\u306f\u3067\u304d\u307e\u305b\u3093\u3002<sup class=\"source-note\"><a href=\"#ref1\">[1]<\/a><a href=\"#ref2\">[2]<\/a><\/sup><\/p>\n<p>\u305f\u3068\u3048\u3070\u6587\u306e\u9014\u4e2d\u306e\u30ea\u30f3\u30af\u306f\u3001\u753b\u9762\u5e45\u306b\u5fdc\u3058\u305f\u6298\u308a\u8fd4\u3057\u3068\u6587\u7ae0\u306e\u8aad\u307f\u3084\u3059\u3055\u3092\u4fdd\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u72ec\u7acb\u3057\u305f\u64cd\u4f5c\u30dc\u30bf\u30f3\u307e\u3067\u3001\u6587\u5b57\u304c\u8f09\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u3060\u3051\u3067\u6587\u7ae0\u5185\u30ea\u30f3\u30af\u306e\u4f8b\u5916\u306b\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5148\u306b\u300c\u3053\u308c\u306f\u3069\u3093\u306a\u64cd\u4f5c\u9818\u57df\u304b\u300d\u3092\u78ba\u304b\u3081\u308b\u3053\u3068\u304c\u3001\u5bf8\u6cd5\u306e\u6e2c\u5b9a\u3068\u540c\u3058\u304f\u3089\u3044\u5927\u5207\u306b\u306a\u308a\u307e\u3059\u3002<sup class=\"source-note\"><a href=\"#ref2\">[2]<\/a><a href=\"#ref3\">[3]<\/a><\/sup><\/p>\n<h2>\u6700\u4f4e\u6761\u4ef6\u3092\u78ba\u8a8d\u3057\u305f\u5f8c\u306b\u3001\u4f7f\u3046\u5834\u9762\u3092\u78ba\u304b\u3081\u308b<\/h2>\n<p>\u8a2d\u8a08\u3084\u70b9\u691c\u3067\u306f\u3001\u307e\u305a\u5b9f\u969b\u306b\u53cd\u5fdc\u3059\u308b\u9818\u57df\u3092\u78ba\u304b\u3081\u3001\u6b21\u306b\u5927\u304d\u3055\u3001\u5fc5\u8981\u306a\u3089\u96a3\u3068\u306e\u9593\u9694\u3084\u4f8b\u5916\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u5224\u65ad\u306e\u6839\u62e0\u3092\u6b8b\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u5c0f\u3055\u306a\u30a2\u30a4\u30b3\u30f3\u306e\u5370\u8c61\u3060\u3051\u3067\u6c7a\u3081\u305a\u3001\u9818\u57df\u3092\u5e83\u3052\u308b\u3001\u914d\u7f6e\u3092\u96e2\u3059\u3001\u91cd\u8981\u306a\u64cd\u4f5c\u3092\u5927\u304d\u304f\u3059\u308b\u3001\u3068\u3044\u3063\u305f\u5909\u66f4\u3092\u533a\u5225\u3057\u3066\u691c\u8a0e\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u3082\u3001\u5468\u56f2\u306b\u4f55\u3082\u306a\u3044\u6975\u5c0f\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u306f\u3001\u9593\u9694\u306e\u4f8b\u5916\u3092\u6e80\u305f\u3057\u306a\u304c\u3089\u72d9\u3044\u306b\u304f\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002W3C\u306e\u89e3\u8aac\u3082\u3053\u306e\u9650\u754c\u3092\u793a\u3057\u3001\u9593\u9694\u306b\u3088\u3089\u305a\u6700\u4f4e\u9650\u306e\u5927\u304d\u3055\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3084\u3001\u91cd\u8981\u306a\u64cd\u4f5c\u3067\u3088\u308a\u53b3\u3057\u3044\u57fa\u6e96\u3092\u76ee\u6307\u3059\u3053\u3068\u3092\u52e7\u3081\u3066\u3044\u307e\u3059\u3002\u983b\u7e41\u306b\u4f7f\u3046\u64cd\u4f5c\u3001\u53d6\u308a\u6d88\u3057\u306b\u304f\u3044\u64cd\u4f5c\u3001\u5c4a\u304d\u306b\u304f\u3044\u4f4d\u7f6e\u306a\u3069\u306f\u3001\u5229\u7528\u3059\u308b\u4eba\u3068\u72b6\u6cc1\u3092\u8e0f\u307e\u3048\u3066\u5927\u304d\u3055\u3092\u6c7a\u3081\u308b\u6750\u6599\u306b\u306a\u308a\u307e\u3059\u3002<sup class=\"source-note\"><a href=\"#ref2\">[2]<\/a><a href=\"#ref3\">[3]<\/a><\/sup><\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u306f\u4ed5\u69d8\u3068\u516c\u5f0f\u89e3\u8aac\u306e\u8aad\u307f\u65b9\u3092\u6271\u3063\u3066\u304a\u308a\u3001\u5229\u7528\u8005\u30c6\u30b9\u30c8\u3084\u8aa4\u64cd\u4f5c\u7387\u306e\u6e2c\u5b9a\u306f\u884c\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u6570\u5024\u306f\u70b9\u691c\u306e\u51fa\u767a\u70b9\u3067\u3059\u3002\u57fa\u6e96\u3078\u306e\u9069\u5408\u78ba\u8a8d\u3068\u3001\u5b9f\u969b\u306e\u5229\u7528\u5834\u9762\u3067\u7121\u7406\u306a\u304f\u64cd\u4f5c\u3067\u304d\u308b\u304b\u306e\u78ba\u8a8d\u3092\u3001\u4e21\u65b9\u6301\u3064\u3053\u3068\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<h2>\u53c2\u8003\u8cc7\u6599<\/h2>\n<ol style=\"overflow-wrap:anywhere;\">\n<li id=\"ref1\">W3C, <a href=\"https:\/\/www.w3.org\/TR\/2024\/REC-WCAG22-20241212\/\">Web Content Accessibility Guidelines (WCAG) 2.2<\/a>\u3001W3C Recommendation\u30012024\u5e7412\u670812\u65e5\u7248\u3002\u9054\u6210\u57fa\u6e962.5.8\u30fb2.5.5\u3001\u7528\u8a9e\u300ctarget\u300d\u300cCSS pixel\u300d\u3001\u9069\u5408\u8981\u4ef65.2.1\u3092\u53c2\u7167\u3002<\/li>\n<li id=\"ref2\">W3C WAI, <a href=\"https:\/\/www.w3.org\/WAI\/WCAG22\/Understanding\/target-size-minimum.html\">Understanding SC 2.5.8: Target Size (Minimum)<\/a>\u30022026\u5e745\u670811\u65e5\u66f4\u65b0\u8868\u793a\u30012026\u5e7410\u670814\u65e5\u78ba\u8a8d\u3002\u898f\u7bc4\u305d\u306e\u3082\u306e\u3067\u306f\u306a\u3044\u89e3\u8aac\u8cc7\u6599\u3002\u5927\u304d\u3055\u30fb\u9593\u9694\u306e\u8aac\u660e\u3001Figure 3\u301c5\u3068\u5468\u8fba\u306e\u914d\u7f6e\u4f8b\u3092\u53c2\u7167\u3002<\/li>\n<li id=\"ref3\">W3C WAI, <a href=\"https:\/\/www.w3.org\/WAI\/WCAG22\/Understanding\/target-size-enhanced.html\">Understanding SC 2.5.5: Target Size (Enhanced)<\/a>\u30022026\u5e7410\u670814\u65e5\u78ba\u8a8d\u300244 CSS\u30d4\u30af\u30bb\u30eb\u306e\u6761\u4ef6\u3001\u4f8b\u5916\u3001\u4f7f\u3046\u5834\u9762\u306b\u5fdc\u3058\u305f\u914d\u616e\u3092\u53c2\u7167\u3002<\/li>\n<li id=\"ref4\">\u539f\u56f3\u306e\u5229\u7528\u6761\u4ef6\uff1a<a href=\"https:\/\/www.w3.org\/copyright\/software-license-2023\/\">W3C Software and Document License \u2014 2023 version<\/a>\u3002<br \/>\n<details id=\"w3c-figure-notice\">\n<summary>\u539f\u56f3\u306e\u8457\u4f5c\u6a29\u8868\u793a\u3068\u5229\u7528\u6761\u4ef6\u5168\u6587<\/summary>\n<div lang=\"en\" style=\"overflow-wrap:anywhere;\">\n<p>This article includes Figure 5 copied from <a href=\"https:\/\/www.w3.org\/WAI\/WCAG22\/Understanding\/target-size-minimum.html\">Understanding SC 2.5.8: Target Size (Minimum)<\/a>. Copyright \u00a9 2026 World Wide Web Consortium. All Rights Reserved. SVG converted to PNG and displayed at a different scale; no diagram content changed or cropped. This work is distributed under the W3C Software and Document License in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.<\/p>\n<p>W3C <a href=\"https:\/\/www.w3.org\/policies\/#disclaimers\">liability<\/a> and <a href=\"https:\/\/www.w3.org\/policies\/#trademarks\">trademark<\/a> notices apply.<\/p>\n<p>This work is being provided by the copyright holders under the following license.<\/p>\n<h3>License<\/h3>\n<p>By obtaining and\/or copying this work, you (the licensee) agree that you have read, understood, and will comply with the following terms and conditions.<\/p>\n<p>Permission to copy, modify, and distribute this work, with or without modification,\u00a0for any purpose and without fee or royalty is hereby granted, provided that you include the following on ALL copies of the work or portions thereof, including modifications:<\/p>\n<ul>\n<li>The full text of this NOTICE in a location viewable to users of the redistributed or derivative work.<\/li>\n<li>Any pre-existing intellectual property disclaimers, notices, or terms and conditions. If none exist, the <a href=\"https:\/\/www.w3.org\/Consortium\/Legal\/2023\/copyright-software-short-notice.html\">W3C software and document short notice<\/a> should be included.<\/li>\n<li>Notice of any changes or modifications, through a copyright statement on the new code or document such as &#8220;This software or document includes material copied from or derived from [title and URI of the W3C document]. 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