{"id":979,"date":"2026-10-17T04:00:00","date_gmt":"2026-10-16T19:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=979"},"modified":"2026-10-17T02:24:59","modified_gmt":"2026-10-16T17:24:59","slug":"qs-wcag-focus-not-obscured-20261017","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=979","title":{"rendered":"WCAG\u306e\u30d5\u30a9\u30fc\u30ab\u30b9\u906e\u853d\u3001\u56fa\u5b9a\u8868\u793a\u306e\u88cf\u306b\u64cd\u4f5c\u5bfe\u8c61\u3092\u96a0\u3055\u306a\u3044"},"content":{"rendered":"<p>\u30da\u30fc\u30b8\u3092\u30ad\u30fc\u30dc\u30fc\u30c9\u3067\u64cd\u4f5c\u3057\u3066\u3044\u308b\u3068\u3001Tab\u30ad\u30fc\u3092\u62bc\u3057\u305f\u306e\u306b\u3001\u6b21\u306b\u9078\u3070\u308c\u305f\u30ea\u30f3\u30af\u3084\u30dc\u30bf\u30f3\u304c\u898b\u5f53\u305f\u3089\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u753b\u9762\u306e\u4e0a\u306b\u56fa\u5b9a\u3055\u308c\u305f\u30d8\u30c3\u30c0\u30fc\u3084\u3001\u4e0b\u304b\u3089\u91cd\u306a\u308b\u901a\u77e5\u306e\u88cf\u3078\u3001\u64cd\u4f5c\u5bfe\u8c61\u304c\u5165\u308a\u8fbc\u3093\u3067\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u753b\u9762\u4e0a\u306e\u4f4d\u7f6e\u304c\u5206\u304b\u3089\u306a\u304f\u306a\u308b\u3068\u3001\u6b21\u306e\u30ad\u30fc\u3067\u4f55\u3092\u64cd\u4f5c\u3059\u308b\u306e\u304b\u3082\u78ba\u304b\u3081\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u554f\u984c\u3092\u6271\u3046\u306e\u304c\u3001\u30a6\u30a7\u30d6\u306e\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u6307\u91ddWCAG 2.2\u306e\u300cFocus Not Obscured\u300d\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u96a0\u3055\u306a\u3044\u305f\u3081\u306e\u9054\u6210\u57fa\u6e96\u3067\u3059\u3002\u6700\u5c0f\u6761\u4ef6\u3067\u306f\u3001\u5bfe\u8c61\u306e\u4e00\u90e8\u304c\u898b\u3048\u3066\u3044\u308b\u72b6\u614b\u3092\u8a8d\u3081\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u305d\u308c\u3060\u3051\u3067\u64cd\u4f5c\u5bfe\u8c61\u3082\u3001\u305d\u306e\u5468\u56f2\u306e\u76ee\u5370\u3082\u5341\u5206\u306b\u898b\u3048\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u4f55\u3092\u898b\u3066\u5224\u65ad\u3059\u308b\u6761\u4ef6\u306a\u306e\u304b\u3092\u3001\u56fa\u5b9a\u30d5\u30c3\u30bf\u30fc\u306e\u4f8b\u304b\u3089\u6574\u7406\u3057\u307e\u3059\u3002<sup>\uff3b1\u30012\uff3d<\/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>WCAG 2.2\u306e2.4.11\u306f\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u53d7\u3051\u53d6\u3063\u305f\u90e8\u54c1\u304c\u3001\u5236\u4f5c\u8005\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u5b8c\u5168\u306b\u96a0\u308c\u306a\u3044\u3053\u3068\u3092\u6c42\u3081\u307e\u3059\u3002\u4e00\u90e8\u5206\u306e\u906e\u853d\u3082\u8a8d\u3081\u306a\u30442.4.12\u3068\u306f\u6761\u4ef6\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>\u5224\u65ad\u3059\u308b\u4e2d\u5fc3\u306f\u30ea\u30f3\u30af\u3084\u30dc\u30bf\u30f3\u306a\u3069\u306e\u90e8\u54c1\u672c\u4f53\u3067\u3059\u3002\u5916\u5074\u306e\u30d5\u30a9\u30fc\u30ab\u30b9\u67a0\u304c\u898b\u3048\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u5225\u306e\u9054\u6210\u57fa\u6e96\u3082\u5408\u308f\u305b\u3066\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<li>\u91cd\u306a\u308b\u9818\u57df\u3092\u78ba\u4fdd\u3059\u308b\u3001\u5185\u5bb9\u3092\u62bc\u3057\u4e0b\u3052\u308b\u3001\u958b\u3044\u305f\u30d1\u30cd\u30eb\u3092\u9069\u5207\u306b\u9589\u3058\u308b\u306a\u3069\u3001\u8868\u793a\u306e\u91cd\u306a\u308a\u3068\u30ad\u30fc\u30dc\u30fc\u30c9\u64cd\u4f5c\u3092\u4e00\u7dd2\u306b\u8a2d\u8a08\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u30d5\u30a9\u30fc\u30ab\u30b9\u306f\u3001\u6b21\u306b\u64cd\u4f5c\u3059\u308b\u5834\u6240\u3092\u793a\u3059<\/h2>\n<p>\u30ad\u30fc\u30dc\u30fc\u30c9\u30d5\u30a9\u30fc\u30ab\u30b9\u3068\u306f\u3001\u30ad\u30fc\u5165\u529b\u3084\u64cd\u4f5c\u306e\u5bfe\u8c61\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u6240\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u30ea\u30f3\u30af\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u304c\u3042\u308b\u3068\u304d\u306b\u306f\u3001\u901a\u5e38Enter\u30ad\u30fc\u3067\u305d\u306e\u30ea\u30f3\u30af\u3092\u958b\u3051\u307e\u3059\u3002\u30de\u30a6\u30b9\u306e\u30dd\u30a4\u30f3\u30bf\u30fc\u3092\u52d5\u304b\u3055\u305a\u306b\u30da\u30fc\u30b8\u3092\u9032\u3080\u4eba\u306b\u3068\u3063\u3066\u3001\u73fe\u5728\u306e\u30d5\u30a9\u30fc\u30ab\u30b9\u304c\u898b\u3048\u308b\u3053\u3068\u306f\u3001\u64cd\u4f5c\u3092\u7d9a\u3051\u308b\u624b\u304c\u304b\u308a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u591a\u304f\u306e\u753b\u9762\u3067\u306f\u3001\u30dc\u30bf\u30f3\u3084\u30ea\u30f3\u30af\u306e\u5468\u56f2\u306b\u67a0\u3092\u51fa\u3059\u3001\u80cc\u666f\u3092\u5909\u3048\u308b\u306a\u3069\u3057\u3066\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u793a\u3057\u307e\u3059\u3002\u3068\u3053\u308d\u304c\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u305d\u306e\u3082\u306e\u304c\u79fb\u3063\u3066\u3044\u3066\u3082\u3001\u5bfe\u8c61\u304c\u5225\u306e\u8868\u793a\u306e\u88cf\u306b\u96a0\u308c\u3066\u3044\u308c\u3070\u3001\u305d\u306e\u5909\u5316\u306f\u898b\u3048\u307e\u305b\u3093\u3002\u300c\u30ad\u30fc\u3092\u62bc\u3057\u3066\u3082\u53cd\u5fdc\u3057\u306a\u3044\u300d\u3068\u611f\u3058\u305f\u308a\u3001\u898b\u3048\u3066\u3044\u306a\u3044\u5bfe\u8c61\u3092\u64cd\u4f5c\u3057\u3066\u3057\u307e\u3063\u305f\u308a\u3059\u308b\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002W3C\u306e\u89e3\u8aac\u306f\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u3060\u3051\u3067\u306a\u304f\u3001\u305d\u306e\u64cd\u4f5c\u65b9\u5f0f\u3092\u5229\u7528\u3059\u308b\u30b9\u30a4\u30c3\u30c1\u3084\u97f3\u58f0\u5165\u529b\u306a\u3069\u306e\u5229\u7528\u8005\u306b\u3082\u95a2\u308f\u308b\u554f\u984c\u3068\u3057\u3066\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<sup>\uff3b2\uff3d<\/sup><\/p>\n<p>\u7279\u306b\u8d77\u3053\u308a\u3084\u3059\u3044\u306e\u304c\u3001\u753b\u9762\u7aef\u306b\u6b8b\u308a\u7d9a\u3051\u308b\u56fa\u5b9a\u30d8\u30c3\u30c0\u30fc\u3084\u30d5\u30c3\u30bf\u30fc\u3001\u4e0a\u306b\u91cd\u306a\u308b\u975e\u30e2\u30fc\u30c0\u30eb\u306e\u30d1\u30cd\u30eb\u3067\u3059\u3002\u30da\u30fc\u30b8\u306e\u5185\u5bb9\u304c\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u3082\u56fa\u5b9a\u9818\u57df\u306f\u52d5\u304b\u306a\u3044\u305f\u3081\u3001\u672c\u6587\u4e2d\u306e\u30ea\u30f3\u30af\u304c\u305d\u3053\u3078\u5165\u308a\u8fbc\u3080\u3068\u3001\u8868\u793a\u4e0a\u306f\u5225\u306e\u5c64\u306b\u8986\u308f\u308c\u307e\u3059\u3002\u30d5\u30a9\u30fc\u30ab\u30b9\u306e\u79fb\u52d5\u9806\u304c\u6b63\u3057\u304f\u3066\u3082\u3001\u91cd\u306a\u308a\u65b9\u307e\u3067\u6b63\u3057\u3044\u3068\u306f\u9650\u3089\u306a\u3044\u306e\u3067\u3059\u3002<\/p>\n<h2>\u300c\u5168\u90e8\u96a0\u308c\u306a\u3044\u300d\u3068\u300c\u4e00\u90e8\u3082\u96a0\u308c\u306a\u3044\u300d\u3092\u5206\u3051\u308b<\/h2>\n<p>WCAG 2.2\u306e\u9054\u6210\u57fa\u6e962.4.11\u300cFocus Not Obscured (Minimum)\u300d\u306f\u30ec\u30d9\u30ebAA\u306e\u6761\u4ef6\u3067\u3059\u3002\u30ad\u30fc\u30dc\u30fc\u30c9\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u53d7\u3051\u53d6\u3063\u305f\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u90e8\u54c1\u304c\u3001\u5236\u4f5c\u8005\u306e\u4f5c\u3063\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u3088\u3063\u3066<strong>\u5b8c\u5168\u306b\u306f\u96a0\u308c\u306a\u3044<\/strong>\u3053\u3068\u3092\u6c42\u3081\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u3044\u3046\u90e8\u54c1\u306f\u3001\u5229\u7528\u8005\u304c\u4e00\u3064\u306e\u6a5f\u80fd\u3092\u6301\u3064\u64cd\u4f5c\u5bfe\u8c61\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u3082\u306e\u3067\u3059\u3002HTML\u306e\u8981\u7d20\u4e00\u3064\u3068\u3001\u5fc5\u305a\u3057\u3082\u4e00\u5bfe\u4e00\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002<sup>\uff3b1\u30012\uff3d<\/sup><\/p>\n<p>\u4e00\u65b9\u30012.4.12\u300cFocus Not Obscured (Enhanced)\u300d\u306f\u30ec\u30d9\u30ebAAA\u306e\u6761\u4ef6\u3067\u3001\u90e8\u54c1\u306e\u3069\u306e\u90e8\u5206\u3082\u96a0\u308c\u306a\u3044\u3053\u3068\u3092\u6c42\u3081\u307e\u3059\u3002AA\u306e\u6700\u5c0f\u6761\u4ef6\u3068AAA\u306e\u5f37\u5316\u6761\u4ef6\u306f\u3001\u540c\u3058\u5224\u5b9a\u3092\u5225\u540d\u3067\u547c\u3093\u3060\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u306a\u304a\u3001\u4e00\u3064\u306e\u9054\u6210\u57fa\u6e96\u3092\u6e80\u305f\u3059\u3053\u3068\u3068\u3001\u30da\u30fc\u30b8\u5168\u4f53\u304cWCAG\u306eAA\u3084AAA\u306b\u9069\u5408\u3059\u308b\u3053\u3068\u3082\u5225\u3067\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u9ad8\u3055300\u306e\u8868\u793a\u9818\u57df\u306e\u4e0b80\u3092\u3001\u4e0d\u900f\u660e\u306a\u56fa\u5b9a\u30d5\u30c3\u30bf\u30fc\u304c\u8986\u3046\u3068\u8003\u3048\u307e\u3059\u3002\u4e0a\u7aef\u30920\u3068\u3059\u308b\u3068\u3001\u30d5\u30c3\u30bf\u30fc\u306f220\u304b\u3089300\u306e\u7bc4\u56f2\u3067\u3059\u3002\u540c\u3058\u9ad8\u305540\u306e\u30dc\u30bf\u30f3\u3067\u3082\u3001\u4e0a\u4e0b\u306e\u4f4d\u7f6e\u306b\u3088\u3063\u3066\u6b21\u306e\u3088\u3046\u306b\u898b\u3048\u65b9\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u5358\u4f4d\u3084\u5024\u306f\u8aac\u660e\u7528\u3067\u3001\u5b9f\u969b\u306e\u30d6\u30e9\u30a6\u30b6\u30fc\u306e\u81ea\u52d5\u30b9\u30af\u30ed\u30fc\u30eb\u3092\u6e2c\u3063\u305f\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<div style=\"overflow-x:auto\">\n<table>\n<caption>\u4e0d\u900f\u660e\u306a\u56fa\u5b9a\u30d5\u30c3\u30bf\u30fc\u3068\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u53d7\u3051\u53d6\u3063\u305f\u30dc\u30bf\u30f3\u306e\u4f4d\u7f6e<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">\u30dc\u30bf\u30f3\u306e\u7bc4\u56f2<\/th>\n<th scope=\"col\">\u898b\u3048\u308b\u9ad8\u3055<\/th>\n<th scope=\"col\">\u3053\u306e\u91cd\u306a\u308a\u65b9\u3060\u3051\u306e\u5224\u5b9a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>240\u301c280<\/td>\n<td>0\uff0f40<\/td>\n<td>\u5168\u90e8\u96a0\u308c\u308b\u305f\u3081\u30012.4.11\u306e\u6700\u5c0f\u6761\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>200\u301c240<\/td>\n<td>20\uff0f40<\/td>\n<td>\u4e00\u90e8\u304c\u898b\u3048\u308b\u305f\u30812.4.11\u306e\u6700\u5c0f\u6761\u4ef6\u306f\u6e80\u305f\u3059\u304c\u30012.4.12\u306f\u6e80\u305f\u3055\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>160\u301c200<\/td>\n<td>40\uff0f40<\/td>\n<td>\u3053\u306e\u30d5\u30c3\u30bf\u30fc\u306b\u3088\u308b\u906e\u853d\u306f\u306a\u304f\u3001\u4e21\u57fa\u6e96\u306e\u906e\u853d\u6761\u4ef6\u3092\u6e80\u305f\u3059<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<figure><a href=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-wcag-focus-not-obscured-20261017-source-figure-1-69d1b7eb72e8.png\"><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-wcag-focus-not-obscured-20261017-source-figure-1-69d1b7eb72e8.png\" alt=\"\u540c\u3058\u9ad8\u305540\u306e\u30dc\u30bf\u30f3\u3092\u56fa\u5b9a\u30d5\u30c3\u30bf\u30fc\u306b\u5bfe\u3057\u3066\u4e09\u3064\u306e\u4f4d\u7f6e\u3078\u7f6e\u3044\u305f\u8aac\u660e\u56f3\u3002240\u304b\u3089280\u3067\u306f\u5168\u4f53\u304c\u96a0\u308c\u3001200\u304b\u3089240\u3067\u306f\u4e0a\u534a\u5206\u306e20\u304c\u898b\u3048\u3001160\u304b\u3089200\u3067\u306f40\u3059\u3079\u3066\u304c\u898b\u3048\u308b\u3002\u56fa\u5b9a\u30d5\u30c3\u30bf\u30fc\u306f\u8868\u793a\u9818\u57df\u306e220\u304b\u3089300\u3092\u8986\u3046\u3002\" width=\"1080\" height=\"1530\" style=\"max-width:100%;height:auto\" loading=\"lazy\"><\/a><figcaption>\u56f31\u3000\u90e8\u54c1\u672c\u4f53\u306e\u4f4d\u7f6e\u3060\u3051\u3092\u5909\u3048\u305f\u72ec\u81ea\u306e\u8aac\u660e\u56f3\u3002\u67a0\u7dda\u306a\u3069\u306e\u30d5\u30a9\u30fc\u30ab\u30b9\u8868\u793a\u306f\u7701\u7565\u3057\u3001\u7070\u8272\u306e\u5e2f\u3092\u5236\u4f5c\u8005\u306b\u3088\u308b\u4e0d\u900f\u660e\u306a\u56fa\u5b9a\u30d5\u30c3\u30bf\u30fc\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u5024\u306f\u77e9\u5f62\u306e\u91cd\u306a\u308a\u3092\u8aac\u660e\u3059\u308b\u305f\u3081\u306e\u4eee\u5b9a\u3067\u3001\u753b\u9762\u306e\u5b9f\u6e2c\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u753b\u50cf\u3092\u958b\u304f\u3068\u62e1\u5927\u3067\u304d\u307e\u3059\u3002<\/figcaption><\/figure>\n<p>\u4e00\u90e8\u304c\u898b\u3048\u308b\u30b1\u30fc\u30b9\u3067\u306f\u3001\u6b8b\u3063\u305f\u90e8\u5206\u3060\u3051\u3067\u30dc\u30bf\u30f3\u306e\u5185\u5bb9\u304c\u8aad\u3081\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u6587\u5b57\u306e\u4f4d\u7f6e\u3084\u5927\u304d\u3055\u306b\u3082\u3088\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u30012.4.11\u306e\u6700\u4f4e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u305f\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u305d\u306e\u898b\u3048\u65b9\u3092\u8a2d\u8a08\u4e0a\u306e\u76ee\u6a19\u306b\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002W3C\u306e\u89e3\u8aac\u3082\u3001\u90e8\u5206\u7684\u306b\u96a0\u308c\u308b\u7a0b\u5ea6\u3068\u983b\u5ea6\u3092\u6e1b\u3089\u3057\u3001\u3067\u304d\u308b\u3060\u3051\u5168\u4f53\u304c\u898b\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3092\u52e7\u3081\u3066\u3044\u307e\u3059\u3002<sup>\uff3b2\uff3d<\/sup><\/p>\n<h2>\u30dc\u30bf\u30f3\u672c\u4f53\u3068\u3001\u5916\u5074\u306e\u30d5\u30a9\u30fc\u30ab\u30b9\u67a0\u306f\u5225\u306b\u898b\u308b<\/h2>\n<p>2.4.11\u3067\u8a55\u4fa1\u3059\u308b\u306e\u306f\u3001\u57fa\u672c\u7684\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u53d7\u3051\u53d6\u3063\u305f<strong>\u90e8\u54c1\u672c\u4f53<\/strong>\u3067\u3059\u3002\u305d\u306e\u5916\u5074\u306b\u63cf\u304b\u308c\u305f\u30d5\u30a9\u30fc\u30ab\u30b9\u67a0\u306f\u3001\u90e8\u54c1\u304c\u5b8c\u5168\u306b\u96a0\u308c\u3066\u3044\u308b\u304b\u3092\u5224\u65ad\u3059\u308b\u3068\u304d\u306e\u672c\u4f53\u306b\u306f\u542b\u3081\u307e\u305b\u3093\u3002\u67a0\u304c\u90e8\u54c1\u306e\u5185\u5074\u306b\u3042\u308b\u5834\u5408\u3084\u3001\u672c\u4f53\u306e\u898b\u305f\u76ee\u306e\u5909\u5316\u3067\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u793a\u3059\u5834\u5408\u306f\u3001\u305d\u306e\u8868\u793a\u3082\u672c\u4f53\u306e\u4e00\u90e8\u306b\u306a\u308a\u307e\u3059\u3002<sup>\uff3b2\uff3d<\/sup><\/p>\n<p>\u3053\u306e\u533a\u5225\u304c\u5fc5\u8981\u306a\u306e\u306f\u3001\u300c\u30dc\u30bf\u30f3\u306f\u898b\u3048\u308b\u304c\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u306e\u76ee\u5370\u304c\u5206\u304b\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u72b6\u614b\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u90e8\u54c1\u306e\u4e00\u90e8\u304c\u898b\u3048\u3066\u3044\u30662.4.11\u3092\u6e80\u305f\u3057\u3066\u3082\u3001\u5916\u5074\u306e\u67a0\u304c\u5b8c\u5168\u306b\u8986\u308f\u308c\u308c\u3070\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u8868\u793a\u306e\u53ef\u8996\u6027\u3092\u6271\u30462.4.7\u300cFocus Visible\u300d\u306e\u554f\u984c\u304c\u6b8b\u308a\u5f97\u307e\u3059\u3002\u307e\u305f\u3001\u534a\u900f\u660e\u306e\u5e55\u3067\u672c\u4f53\u304c\u900f\u3051\u3066\u898b\u3048\u308b\u5834\u5408\u3082\u3001\u8272\u306e\u5dee\u304c\u5f31\u307e\u308a\u3001\u975e\u30c6\u30ad\u30b9\u30c8\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u3092\u6271\u30461.4.11\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<sup>\uff3b1\u30012\uff3d<\/sup><\/p>\n<p>\u78ba\u8a8d\u3059\u308b\u3068\u304d\u306f\u3001\u300c\u5bfe\u8c61\u305d\u306e\u3082\u306e\u304c\u3069\u3053\u306b\u3042\u308b\u304b\u300d\u3068\u300c\u4eca\u305d\u3053\u3092\u64cd\u4f5c\u3057\u3066\u3044\u308b\u3068\u5206\u304b\u308b\u304b\u300d\u3092\u7d9a\u3051\u3066\u898b\u307e\u3059\u3002\u524d\u8005\u3060\u3051\u3001\u3042\u308b\u3044\u306f\u76ee\u7acb\u3064\u67a0\u306e\u8272\u3060\u3051\u3092\u70b9\u691c\u3057\u3066\u3082\u3001\u3082\u3046\u4e00\u65b9\u306e\u554f\u984c\u306f\u898b\u843d\u3068\u305b\u307e\u3059\u3002<\/p>\n<h2>\u81ea\u52d5\u3067\u73fe\u308c\u308b\u901a\u77e5\u3068\u3001\u81ea\u5206\u3067\u958b\u3044\u305f\u30d1\u30cd\u30eb<\/h2>\n<p>\u91cd\u306a\u308b\u5185\u5bb9\u304c\u3069\u306e\u3088\u3046\u306b\u73fe\u308c\u305f\u304b\u3082\u3001\u6761\u4ef6\u3092\u8aad\u3080\u3046\u3048\u3067\u91cd\u8981\u3067\u3059\u3002\u30da\u30fc\u30b8\u5074\u304c\u521d\u3081\u304b\u3089\u7f6e\u3044\u305f\u56fa\u5b9a\u30d5\u30c3\u30bf\u30fc\u3084\u3001\u5229\u7528\u8005\u306e\u76f4\u63a5\u306e\u64cd\u4f5c\u306a\u3057\u306b\u73fe\u308c\u305f\u901a\u77e5\u306f\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u53d7\u3051\u53d6\u3063\u305f\u90e8\u54c1\u3092\u5b8c\u5168\u306b\u96a0\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002\u300c\u30b9\u30af\u30ed\u30fc\u30eb\u3059\u308c\u3070\u898b\u3048\u308b\u306f\u305a\u300d\u3068\u8003\u3048\u308b\u3060\u3051\u3067\u306f\u3001\u5229\u7528\u8005\u304c\u958b\u3044\u305f\u5185\u5bb9\u306b\u95a2\u3059\u308b\u6b21\u306e\u6271\u3044\u3092\u9069\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>2.4.11\u306e\u6ce8\u8a18\u3067\u306f\u3001\u5229\u7528\u8005\u304c\u958b\u3044\u305f\u5185\u5bb9\u306b\u3064\u3044\u3066\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u5148\u3078\u9032\u3081\u305a\u306b\u5bfe\u8c61\u3092\u518d\u3073\u8868\u793a\u3067\u304d\u308b\u306a\u3089\u3001\u5236\u4f5c\u8005\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u8996\u899a\u7684\u306b\u96a0\u308c\u305f\u72b6\u614b\u3068\u306f\u6271\u308f\u306a\u3044\u3068\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u81ea\u5206\u3067\u958b\u3044\u305f\u30c1\u30e3\u30c3\u30c8\u30d1\u30cd\u30eb\u304c\u30ea\u30f3\u30af\u3092\u8986\u3063\u305f\u3068\u304d\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u305d\u306e\u30ea\u30f3\u30af\u306b\u6b8b\u3057\u305f\u307e\u307eEscape\u30ad\u30fc\u3067\u30d1\u30cd\u30eb\u3092\u9589\u3058\u3089\u308c\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u9589\u3058\u308b\u30dc\u30bf\u30f3\u3092\u63a2\u3059\u305f\u3081\u306b\u5225\u306e\u90e8\u54c1\u3078\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u79fb\u3055\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u72b6\u614b\u3068\u306f\u3001\u6761\u4ef6\u304c\u9055\u3044\u307e\u3059\u3002<sup>\uff3b1\u30012\uff3d<\/sup><\/p>\n<p>\u307e\u305f\u3001\u5229\u7528\u8005\u304c\u30c4\u30fc\u30eb\u30d1\u30cd\u30eb\u306a\u3069\u3092\u81ea\u7531\u306b\u52d5\u304b\u305b\u308b\u753b\u9762\u3067\u306f\u3001\u53ef\u52d5\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u521d\u671f\u4f4d\u7f6e\u3092\u8a55\u4fa1\u3059\u308b\u3068\u3044\u3046\u6ce8\u8a18\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5229\u7528\u8005\u306b\u3088\u308b\u3069\u306e\u914d\u7f6e\u3067\u3082\u7d76\u5bfe\u306b\u91cd\u306a\u3089\u306a\u3044\u3088\u3046\u4fdd\u8a3c\u3059\u308b\u6761\u4ef6\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u521d\u671f\u4f4d\u7f6e\u304b\u3089\u64cd\u4f5c\u5bfe\u8c61\u3092\u8986\u3063\u3066\u3088\u3044\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u91cd\u306d\u308b\u524d\u306b\u3001\u8868\u793a\u9818\u57df\u3068\u64cd\u4f5c\u306e\u623b\u308a\u65b9\u3092\u6c7a\u3081\u308b<\/h2>\n<p>\u4fee\u6b63\u306e\u8003\u3048\u65b9\u306f\u3001\u4e0a\u306b\u304b\u3076\u3055\u308b\u3082\u306e\u3092\u3059\u3079\u3066\u6d88\u3059\u3053\u3068\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u56fa\u5b9a\u9818\u57df\u306e\u3076\u3093\u3092\u898b\u8d8a\u3057\u3066\u30b9\u30af\u30ed\u30fc\u30eb\u5f8c\u306e\u4f4d\u7f6e\u3092\u8abf\u6574\u3059\u308b\u3001\u30d1\u30cd\u30eb\u3092\u958b\u3044\u305f\u3089\u672c\u6587\u3092\u62bc\u3057\u4e0b\u3052\u308b\u3001\u6a2a\u306e\u9818\u57df\u3092\u78ba\u4fdd\u3057\u3066\u672c\u6587\u3092\u6298\u308a\u8fd4\u3059\u3001\u3068\u3044\u3063\u305f\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002W3C\u306e\u89e3\u8aac\u306fCSS\u306e<code>scroll-padding<\/code>\u3082\u5bfe\u5fdc\u65b9\u6cd5\u306e\u4e00\u3064\u3068\u3057\u3066\u6319\u3052\u3066\u3044\u307e\u3059\u304c\u3001\u3069\u306e\u30b9\u30af\u30ed\u3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href=\"https:\/\/www.w3.org\/TR\/2024\/REC-WCAG22-20241212\/\">W3C \u2014 Web Content Accessibility Guidelines (WCAG) 2.2<\/a>\u3002W3C Recommendation\u30012024\u5e7412\u670812\u65e5\u56fa\u5b9a\u7248\u3002\u9054\u6210\u57fa\u6e962.4.11\u30012.4.12\u30012.4.7\u30011.4.11\u3001\u9069\u5408\u8981\u4ef65.2.1\u3092\u53c2\u7167\u3002\u9054\u6210\u57fa\u6e96\u306e\u8981\u4ef6\u3068\u8aac\u660e\u7528\u306e\u6ce8\u8a18\u3092\u533a\u5225\u3057\u3066\u4f7f\u7528\u3002<\/li>\n<li><a href=\"https:\/\/www.w3.org\/WAI\/WCAG22\/Understanding\/focus-not-obscured-minimum.html\">W3C WAI \u2014 Understanding Success Criterion 2.4.11: Focus Not Obscured (Minimum)<\/a>\u30022026\u5e746\u670815\u65e5\u66f4\u65b0\u30012026\u5e7410\u670816\u65e5\u53d6\u5f97\u7248\u3002\u898f\u5b9a\u3092\u88dc\u8db3\u3059\u308b\u89e3\u8aac\u6587\u66f8\u3002\u90e8\u54c1\u3068\u30d5\u30a9\u30fc\u30ab\u30b9\u8868\u793a\u3001\u5229\u7528\u8005\u304c\u958b\u3044\u305f\u5185\u5bb9\u3001\u30e2\u30fc\u30c0\u30eb\u30c0\u30a4\u30a2\u30ed\u30b0\u7b49\u306e\u8aac\u660e\u3092\u53c2\u7167\u3002<\/li>\n<\/ol>\n<p>\u51fa\u5178\uff1aW3C \/ World Wide Web 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