{"id":177,"date":"2025-12-09T17:44:26","date_gmt":"2025-12-09T08:44:26","guid":{"rendered":"https:\/\/www.p-united.com\/web-accessibility\/?p=177"},"modified":"2025-12-10T12:20:35","modified_gmt":"2025-12-10T03:20:35","slug":"2-4-12","status":"publish","type":"post","link":"https:\/\/www.p-united.com\/web-accessibility\/2-4-12\/","title":{"rendered":"\u96a0\u3055\u308c\u306a\u3044\u30d5\u30a9\u30fc\u30ab\u30b9 (\u9ad8\u5ea6)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u9054\u6210\u57fa\u6e96 2.4.12 \u96a0\u3055\u308c\u306a\u3044\u30d5\u30a9\u30fc\u30ab\u30b9\uff08\u9ad8\u5ea6\uff09\u3010AAA\u3011<\/h2>\n\n\n\n<p>\u30ad\u30fc\u30dc\u30fc\u30c9\u30e6\u30fc\u30b6\u30fc\u304c\u30d5\u30a9\u30fc\u30ab\u30b9\u53ef\u80fd\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u79fb\u52d5\u3057\u305f\u3068\u304d\u306b\u3001<strong>\u30d5\u30a9\u30fc\u30ab\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u306e\u5168\u4f53\u304c\u53ef\u8996\u3067\u3042\u308b<\/strong>\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8981\u4ef6<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9805\u76ee<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead><tbody><tr><td>\u5bfe\u8c61<\/td><td>\u30ad\u30fc\u30dc\u30fc\u30c9\u64cd\u4f5c\u53ef\u80fd\u306a\u3059\u3079\u3066\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08\u30ea\u30f3\u30af\u30fb\u30dc\u30bf\u30f3\u30fb\u5165\u529b\u6b04\u306a\u3069\uff09<\/td><\/tr><tr><td>\u5fc5\u9808\u6761\u4ef6<\/td><td><strong>\u30d5\u30a9\u30fc\u30ab\u30b9\u3055\u308c\u305f\u8981\u7d20\u306e\u3059\u3079\u3066\u306e\u90e8\u5206\u304c\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\uff08\u5b8c\u5168\u8868\u793a\uff09<\/strong><\/td><\/tr><tr><td>\u9054\u6210\u30ec\u30d9\u30eb<\/td><td>AAA\uff08\u6700\u9ad8\u30ec\u30d9\u30eb\u306e\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\uff09<\/td><\/tr><tr><td>\u9069\u7528\u5834\u9762<\/td><td>\u7279\u306b\u30ad\u30fc\u30dc\u30fc\u30c9\u30fb\u30b9\u30a4\u30c3\u30c1\u30c7\u30d0\u30a4\u30b9\u30fb\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u30e6\u30fc\u30b6\u30fc\u3092\u652f\u63f4\u3059\u308b\u76ee\u7684\u3067\u9069\u7528\u3055\u308c\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u9054\u6210\u3057\u3066\u3044\u308b\u4f8b<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d5\u30a9\u30fc\u30ab\u30b9\u5bfe\u8c61\u304c\u3042\u308b\u8981\u7d20\u304c\u3001\u81ea\u52d5\u7684\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u5b8c\u5168\u306b\u753b\u9762\u5185\u306b\u8868\u793a\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u56fa\u5b9a\u30d8\u30c3\u30c0\u30fc\u3084\u30b5\u30a4\u30c9\u30e1\u30cb\u30e5\u30fc\u304c\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u5bfe\u8c61\u3092\u8986\u308f\u306a\u3044\u3088\u3046\u306b\u30aa\u30d5\u30bb\u30c3\u30c8\u8abf\u6574\u3055\u308c\u3066\u3044\u308b<\/li>\n\n\n\n<li>\u30e2\u30fc\u30c0\u30eb\u5185\u3067Tab\u30ad\u30fc\u79fb\u52d5\u3057\u3066\u3082\u3001\u6bce\u56de\u8981\u7d20\u5168\u4f53\u304c\u898b\u3048\u308b\u3088\u3046\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u672a\u9054\u6210\u306e\u4f8b<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u56fa\u5b9a\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u5bfe\u8c61\u306e\u4e00\u90e8\u304c\u96a0\u308c\u308b\uff08\u4f8b\uff1a\u4e0a\u534a\u5206\u304c\u30d8\u30c3\u30c0\u30fc\u3067\u96a0\u308c\u308b\uff09<\/li>\n\n\n\n<li>\u6c34\u5e73\u65b9\u5411\u306e\u30b9\u30af\u30ed\u30fc\u30eb\u304c\u5fc5\u8981\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u3055\u308c\u305f\u30dc\u30bf\u30f3\u304c\u9014\u4e2d\u307e\u3067\u3057\u304b\u898b\u3048\u306a\u3044<\/li>\n\n\n\n<li>JavaScript\u3067\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u79fb\u52d5\u3057\u3066\u3082\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u4f4d\u7f6e\u304c\u8abf\u6574\u3055\u308c\u305a\u3001\u534a\u5206\u96a0\u308c\u3066\u3044\u308b<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u88c5\u6642\u306e\u6ce8\u610f\u70b9<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u554f\u984c<\/th><th>\u89e3\u6c7a\u65b9\u6cd5<\/th><\/tr><\/thead><tbody><tr><td>\u56fa\u5b9a\u30d8\u30c3\u30c0\u30fc\u304c\u304b\u3076\u308b<\/td><td><code>scrollIntoView({ block: \"center\", behavior: \"smooth\" })<\/code> + \u30d8\u30c3\u30c0\u30fc\u9ad8\u3055\u3092\u8003\u616e\u3057\u305f\u30aa\u30d5\u30bb\u30c3\u30c8\u51e6\u7406<\/td><\/tr><tr><td>\u30ab\u30b9\u30bf\u30e0\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u8868\u793a\u5916\u306b\u306a\u308b<\/td><td>JavaScript\u3084CSS\u3067\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u6642\u306e\u30b9\u30af\u30ed\u30fc\u30eb\u9818\u57df\u3092\u8abf\u6574<\/td><\/tr><tr><td>\u89aa\u8981\u7d20\u306e <code>overflow: hidden<\/code> \u306b\u3088\u308a\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u304d\u306a\u3044<\/td><td><code>overflow: auto<\/code> \u3092\u9069\u7528\u3001\u3082\u3057\u304f\u306f\u69cb\u9020\u81ea\u4f53\u306e\u898b\u76f4\u3057<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">2.4.11\u3068\u306e\u9055\u3044\uff08\u6bd4\u8f03\u8868\uff09<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9805\u76ee<\/th><th>2.4.11\uff08\u6700\u4f4e\u9650\uff09<\/th><th>2.4.12\uff08\u9ad8\u5ea6\uff09<\/th><\/tr><\/thead><tbody><tr><td>\u30ec\u30d9\u30eb<\/td><td>AA<\/td><td>AAA<\/td><\/tr><tr><td>\u8981\u4ef6<\/td><td>\u4e00\u90e8\u3067\u3082\u898b\u3048\u3066\u3044\u308c\u3070OK<\/td><td><strong>\u5168\u4f53\u304c\u5b8c\u5168\u306b\u53ef\u8996\u3067\u3042\u308b\u3053\u3068<\/strong><\/td><\/tr><tr><td>\u4f8b\u5916\u306e\u8a31\u5bb9\u5ea6<\/td><td>\u3084\u3084\u9ad8\u3044<\/td><td>\u307b\u307c\u30bc\u30ed\u3002\u30d5\u30a9\u30fc\u30ab\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u304c<strong>\u5b8c\u5168\u306b\u898b\u3048\u308b\u5fc5\u8981<\/strong>\u3042\u308a<\/td><\/tr><tr><td>\u5bfe\u5fdc\u306e\u96e3\u6613\u5ea6<\/td><td>\u6bd4\u8f03\u7684\u5bb9\u6613<\/td><td>\u5b9f\u88c5\u3084\u30c7\u30b6\u30a4\u30f3\u306b\u3088\u3063\u3066\u306f<strong>\u8abf\u6574\u304c\u96e3\u3057\u3044\u3053\u3068\u3082<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u5229\u70b9<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u89b3\u70b9<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead><tbody><tr><td>\u64cd\u4f5c\u6027<\/td><td>\u30e6\u30fc\u30b6\u30fc\u304c\u30d5\u30a9\u30fc\u30ab\u30b9\u306e\u4f4d\u7f6e\u3092\u6b63\u78ba\u306b\u628a\u63e1\u3057\u3084\u3059\u304f\u306a\u308b<\/td><\/tr><tr><td>\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5f37\u5316<\/td><td>\u30ed\u30fc\u30d3\u30b8\u30e7\u30f3\u3084\u8996\u899a\u8a8d\u77e5\u306e\u652f\u63f4\u304c\u3088\u308a\u5f37\u529b\u306b<\/td><\/tr><tr><td>\u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3\u5411\u4e0a<\/td><td>UI\u8a2d\u8a08\u304c\u3088\u308a\u4e00\u8cab\u6027\u3092\u6301\u3061\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u6642\u306e\u30b9\u30c8\u30ec\u30b9\u304c\u8efd\u6e1b\u3055\u308c\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c6\u30b9\u30c8\u65b9\u6cd5\uff08\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff09<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00a0Tab\u30ad\u30fc\u3067\u79fb\u52d5\u3057\u305f\u3068\u304d\u3001\u8981\u7d20\u306e\u5168\u4f53\u304c\u5e38\u306b\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/li>\n\n\n\n<li>\u00a0\u30e2\u30fc\u30c0\u30eb\u5185\u3067\u306e\u30d5\u30a9\u30fc\u30ab\u30b9\u79fb\u52d5\u6642\u306b\u4e00\u90e8\u304c\u96a0\u308c\u3066\u3044\u307e\u305b\u3093\u304b\uff1f<\/li>\n\n\n\n<li>\u00a0\u56fa\u5b9a\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u30d5\u30a9\u30fc\u30ab\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u306e\u91cd\u306a\u308a\u304c\u3042\u308a\u307e\u305b\u3093\u304b\uff1f<\/li>\n\n\n\n<li>\u00a0\u30b9\u30af\u30ed\u30fc\u30eb\u64cd\u4f5c\u3067\u8abf\u6574\u3055\u308c\u308b\u3088\u3046\u306b\u30b9\u30af\u30ea\u30d7\u30c8\u51e6\u7406\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9805\u76ee<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead><tbody><tr><td>\u9054\u6210\u57fa\u6e96<\/td><td>2.4.12 \u96a0\u3055\u308c\u306a\u3044\u30d5\u30a9\u30fc\u30ab\u30b9\uff08\u9ad8\u5ea6\uff09<\/td><\/tr><tr><td>\u9069\u5408\u30ec\u30d9\u30eb<\/td><td>AAA\uff08WCAG 2.2\uff09<\/td><\/tr><tr><td>\u8981\u4ef6<\/td><td>\u30ad\u30fc\u30dc\u30fc\u30c9\u30d5\u30a9\u30fc\u30ab\u30b9\u3055\u308c\u305f\u8981\u7d20\u306e<strong>\u5168\u4f53\u304c\u753b\u9762\u306b\u898b\u3048\u3066\u3044\u308b\u3053\u3068<\/strong><\/td><\/tr><tr><td>\u5b9f\u88c5\u30dd\u30a4\u30f3\u30c8<\/td><td>\u30b9\u30af\u30ed\u30fc\u30eb\u5236\u5fa1\u3001\u30aa\u30d5\u30bb\u30c3\u30c8\u51e6\u7406\u3001\u56fa\u5b9a\u8981\u7d20\u306e\u914d\u616e<\/td><\/tr><tr><td>\u5bfe\u8c61\u30e6\u30fc\u30b6\u30fc<\/td><td>\u30ad\u30fc\u30dc\u30fc\u30c9\u30e6\u30fc\u30b6\u30fc\u3001\u8996\u899a\u7684\u652f\u63f4\u304c\u5fc5\u8981\u306a\u30e6\u30fc\u30b6\u30fc\u5168\u822c<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u9054\u6210\u57fa\u6e96 2.4.12 \u96a0\u3055\u308c\u306a\u3044\u30d5\u30a9\u30fc\u30ab\u30b9\uff08\u9ad8\u5ea6\uff09\u3010AAA\u3011 \u30ad\u30fc\u30dc\u30fc\u30c9\u30e6\u30fc\u30b6\u30fc\u304c\u30d5\u30a9\u30fc\u30ab\u30b9\u53ef\u80fd\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u79fb\u52d5\u3057\u305f\u3068\u304d\u306b\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u306e\u5168\u4f53\u304c\u53ef\u8996\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u8981\u4ef6 \u9805\u76ee \u5185\u5bb9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"wcag-level":[],"wcag-attribute":[],"wcag_item":[24],"class_list":["post-177","post","type-post","status-publish","format-standard","hentry","category-uncategorized","wcag_item-2-4"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - 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