{"id":1603,"date":"2026-11-02T12:03:17","date_gmt":"2026-11-02T03:03:17","guid":{"rendered":"https:\/\/www.wetch.co.jp\/ai\/?p=1603"},"modified":"2026-11-02T12:03:17","modified_gmt":"2026-11-02T03:03:17","slug":"ai%e3%81%8c%e4%bd%9c%e3%81%a3%e3%81%9fui%e3%82%92%e4%ba%ba%e3%81%8c%e7%9b%b4%e3%81%99%e5%9f%ba%e7%a4%8e%ef%bc%9awcag-2-2%e3%81%ae%e3%82%bf%e3%83%83%e3%83%97%e9%a0%98%e5%9f%9f%e3%83%bbreduced-motion","status":"publish","type":"post","link":"https:\/\/www.wetch.co.jp\/ai\/2026\/11\/02\/ai%e3%81%8c%e4%bd%9c%e3%81%a3%e3%81%9fui%e3%82%92%e4%ba%ba%e3%81%8c%e7%9b%b4%e3%81%99%e5%9f%ba%e7%a4%8e%ef%bc%9awcag-2-2%e3%81%ae%e3%82%bf%e3%83%83%e3%83%97%e9%a0%98%e5%9f%9f%e3%83%bbreduced-motion\/","title":{"rendered":"AI\u304c\u4f5c\u3063\u305fUI\u3092\u4eba\u304c\u76f4\u3059\u57fa\u790e\uff1aWCAG 2.2\u306e\u30bf\u30c3\u30d7\u9818\u57df\u30fbreduced-motion\u30fb\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u30fb\u30ec\u30b9\u30dd\u30f3\u30b7\u30d65\u70b9\u30c1\u30a7\u30c3\u30af"},"content":{"rendered":"<p><em>\u65e5\u66dc\u306f\u57fa\u790e\u306e\u65e5\u3002\u4eca\u56de\u306f\u300c\u52d5\u304f\u30fb\u62bc\u3059\u30fb\u8aad\u3080\u300d\u306e3\u70b9\u306b\u7d5e\u308a\u3001WCAG 2.2\u306e\u65b0\u57fa\u6e96\u3001\u30e2\u30fc\u30b7\u30e7\u30f3\u914d\u616e\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u306e\u6700\u5c0f\u30bb\u30c3\u30c8\u3092\u3001AI\u306bUI\u3092\u4f5c\u3089\u305b\u308b\u3068\u304d\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3068\u3057\u3066\u307e\u3068\u3081\u307e\u3059\u3002<\/em><\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.wetch.co.jp\/ai\/wp-content\/uploads\/2026\/06\/ill-practice.png\" alt=\"\u5b9f\u52d9\u30fb\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u30a4\u30e9\u30b9\u30c8\"\/><\/figure>\n<h2>\u306a\u305c\u300c\u57fa\u790e\u300d\u3092AI\u6642\u4ee3\u306b\u898b\u76f4\u3059\u306e\u304b<\/h2>\n<p>v0\u3084Lovable\u306e\u3088\u3046\u306aAI\u30b5\u30a4\u30c8\u30d3\u30eb\u30c0\u30fc\u3084Claude\u306f\u3001\u898b\u305f\u76ee\u306e\u6574\u3063\u305fUI\u3092\u7d20\u65e9\u304f\u51fa\u529b\u3057\u307e\u3059\u3002\u305f\u3060\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u306e\u898b\u3048\u65b9\u3001\u30bf\u30c3\u30d7\u9818\u57df\u3001\u52d5\u304d\u306e\u6291\u5236\u3068\u3044\u3063\u305f\u70b9\u306f\u3001\u6307\u793a\u3057\u306a\u3044\u3068\u629c\u3051\u304c\u3061\u3067\u3059\u3002\u4eba\u304c\u6700\u7d42\u30c1\u30a7\u30c3\u30af\u3059\u308b\u57fa\u6e96\u3092\u6301\u3063\u3066\u304a\u304f\u3068\u3001\u751f\u6210\u7269\u306e\u624b\u76f4\u3057\u304c\u901f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>1. \u62bc\u305b\u308b\u5927\u304d\u3055\uff1aWCAG 2.2\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u30b5\u30a4\u30ba<\/h2>\n<p><a href=\"https:\/\/www.w3.org\/TR\/WCAG22\/\" target=\"_blank\" rel=\"noopener\">WCAG 2.2<\/a>\u3067\u306f\u3001\u9054\u6210\u57fa\u6e962.5.8\uff08AA\uff09\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002\u64cd\u4f5c\u5bfe\u8c61\u306f\u539f\u524724\u00d724 CSS\u30d4\u30af\u30bb\u30eb\u4ee5\u4e0a\u304c\u76ee\u5b89\u3067\u3001\u5341\u5206\u306a\u9593\u9694\u304c\u3042\u308c\u3070\u5c0f\u3055\u304f\u3066\u3082\u6e80\u305f\u305b\u307e\u3059\u300244\u00d744px\uff082.5.5\uff09\u306fAAA\u306e\u5225\u57fa\u6e96\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u30a2\u30a4\u30b3\u30f3\u3060\u3051\u306e\u30dc\u30bf\u30f3\u306f\u3001\u898b\u305f\u76ee\u304c\u5c0f\u3055\u304f\u3066\u3082\u30af\u30ea\u30c3\u30af\u53ef\u80fd\u9818\u57df\u306b\u4f59\u767d\uff08padding\uff09\u3092\u542b\u3081\u308b\u3002<\/li>\n<li>\u898b\u305f\u76ee\u3060\u3051\u306e\u4f59\u767d\u306f\u53cd\u5fdc\u9818\u57df\u306b\u306a\u3089\u306a\u3044\u306e\u3067\u6ce8\u610f\u3002<\/li>\n<li>\u56fa\u5b9a\u30d8\u30c3\u30c0\u30fc\u304c\u30ad\u30fc\u30dc\u30fc\u30c9\u30d5\u30a9\u30fc\u30ab\u30b9\u4e2d\u306e\u8981\u7d20\u3092\u96a0\u3055\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\uff082.4.11\uff09\u3002<\/li>\n<li>\u30c9\u30e9\u30c3\u30b0\u64cd\u4f5c\u306b\u306f\u3001\u30bf\u30c3\u30d7\u3084\u30dc\u30bf\u30f3\u306b\u3088\u308b\u4ee3\u66ff\u624b\u6bb5\u3092\u7528\u610f\u3059\u308b\uff082.5.7\uff09\u3002<\/li>\n<\/ul>\n<h2>2. \u52d5\u304d\u306e\u914d\u616e\uff1aprefers-reduced-motion<\/h2>\n<p>\u30d1\u30e9\u30e9\u30c3\u30af\u30b9\u3084\u5927\u304d\u306a\u62e1\u5927\u30fb\u30d1\u30f3\u306f\u3001\u524d\u5ead\u969c\u5bb3\u306e\u3042\u308b\u4eba\u306b\u4e0d\u5feb\u611f\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/CSS\/Reference\/At-rules\/@media\/prefers-reduced-motion\" target=\"_blank\" rel=\"noopener\">prefers-reduced-motion<\/a>\u3067OS\u8a2d\u5b9a\u3092\u691c\u77e5\u3057\u3001\u52d5\u304d\u3092\u6e1b\u3089\u3059\u30fb\u7f6e\u304d\u63db\u3048\u308b\u5bfe\u5fdc\u304c\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/web.dev\/articles\/prefers-reduced-motion\" target=\"_blank\" rel=\"noopener\">web.dev<\/a>\u306e\u89e3\u8aac\u3082\u53c2\u8003\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre><code>@media (prefers-reduced-motion: reduce) {\n  .hero { animation: none; }\n  .card { transition: opacity .2s; } \/* \u62e1\u5927\u3084\u79fb\u52d5\u306f\u3084\u3081\u3066\u30d5\u30a7\u30fc\u30c9\u306e\u307f *\/\n}<\/code><\/pre>\n<p>\u300c\u6e1b\u3089\u3059\u300d\u306f\u300c\u30bc\u30ed\u306b\u3059\u308b\u300d\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u62e1\u5927\u30fb\u56de\u8ee2\u30fb\u6ce2\u306e\u3088\u3046\u306a\u52d5\u304d\u3092\u30d5\u30a7\u30fc\u30c9\u3084\u8272\u5909\u5316\u306b\u7f6e\u304d\u63db\u3048\u308b\u3068\u3001\u6f14\u51fa\u306e\u610f\u56f3\u3092\u4fdd\u3066\u307e\u3059\u3002\u81ea\u52d5\u518d\u751f\u3067\u9577\u304f\u7d9a\u304f\u52d5\u304d\u306b\u306f\u3001\u4e00\u6642\u505c\u6b62\u306a\u3069\u306e\u64cd\u4f5c\u624b\u6bb5\u3082\u5fc5\u8981\u3067\u3059\uff08<a href=\"https:\/\/web.dev\/learn\/accessibility\/motion\" target=\"_blank\" rel=\"noopener\">web.dev: Animation and motion<\/a>\uff09\u3002<\/p>\n<h2>3. \u8aad\u3081\u308b\u8272\uff1a\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u306e\u76ee\u5b89<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5bfe\u8c61<\/th>\n<th>AA<\/th>\n<th>AAA<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u901a\u5e38\u30c6\u30ad\u30b9\u30c8<\/td>\n<td>4.5:1<\/td>\n<td>7:1<\/td>\n<\/tr>\n<tr>\n<td>\u5927\u304d\u3044\u6587\u5b57\uff0824px\u4ee5\u4e0a\u3001\u307e\u305f\u306f\u592a\u5b5719px\u4ee5\u4e0a\uff09<\/td>\n<td>3:1<\/td>\n<td>4.5:1<\/td>\n<\/tr>\n<tr>\n<td>UI\u90e8\u54c1\u30fb\u30a2\u30a4\u30b3\u30f3\uff08\u975e\u30c6\u30ad\u30b9\u30c8\uff09<\/td>\n<td>3:1<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>WCAG\u306e\u6bd4\u7387\u306f\u6587\u5b57\u30b5\u30a4\u30ba\u3084\u592a\u3055\u3092\u8003\u616e\u3057\u306a\u3044\u305f\u3081\u3001\u77e5\u899a\u30d9\u30fc\u30b9\u306e\u6307\u6a19APCA\u3082\u8b70\u8ad6\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u73fe\u6642\u70b9\u306e\u6cd5\u4ee4\u30fb\u898f\u683c\u306e\u57fa\u6e96\u306fWCAG\u306e\u6bd4\u7387\u3067\u3059\u3002\u8584\u3044\u8272\u304c\u4e3b\u5f79\u306e\u30d6\u30e9\u30f3\u30c9\u30ab\u30e9\u30fc\u306a\u3089\u3001\u6697\u3044\u30b7\u30a7\u30fc\u30c9\u3092\u7528\u610f\u3057\u30664.5:1\u3092\u78ba\u4fdd\u3057\u3066\u304a\u304f\u3068\u3001\u30dc\u30bf\u30f3\u306a\u3069\u306b\u5b89\u5168\u306b\u7d44\u307f\u5408\u308f\u305b\u3089\u308c\u307e\u3059\uff08<a href=\"https:\/\/stephaniewalter.design\/blog\/yellow-purple-and-the-myth-of-accessibility-limits-color-palettes\" target=\"_blank\" rel=\"noopener\">\u89e3\u8aac\u8a18\u4e8b<\/a>\uff09\u3002<\/p>\n<h2>4. \u753b\u9762\u5e45\u306b\u5408\u308f\u305b\u308b\uff1a\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u306e\u6700\u5c0f\u30bb\u30c3\u30c8<\/h2>\n<p>2026\u5e74\u306e\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u306f\u3001\u30da\u30fc\u30b8\u69cb\u9020\u306b\u306f\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u3001\u90e8\u54c1\u306b\u306f\u30b3\u30f3\u30c6\u30ca\u30af\u30a8\u30ea\u3001\u6587\u5b57\u3084\u4f59\u767d\u306b\u306f<code>clamp()<\/code>\u3001\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u4e0d\u8981\u306e\u914d\u7f6e\u306b\u306fGrid\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u5f62\u304c\u57fa\u672c\u3067\u3059\uff08<a href=\"https:\/\/scrimba.com\/articles\/responsive-web-design-a-complete-guide-2026-2\" target=\"_blank\" rel=\"noopener\">Scrimba<\/a>\uff09\u3002\u30b3\u30f3\u30c6\u30ca\u30af\u30a8\u30ea\u306f2025\u5e748\u6708\u304b\u3089Baseline Widely available\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre><code>h1 { font-size: clamp(1.75rem, 1.2rem + 2.5vw, 3rem); }\n.card-wrap { container-type: inline-size; }\n@container (min-width: 480px) {\n  .card { display: grid; grid-template-columns: 160px 1fr; }\n}<\/code><\/pre>\n<p>\u6587\u5b57\u30b5\u30a4\u30ba\u306frem\u57fa\u6e96\u306b\u3057\u3066\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30ba\u30fc\u30e0\u3084200%\u62e1\u5927\u3067\u3082\u5d29\u308c\u306a\u3044\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002\u78ba\u8a8d\u5e45\u306f320px\u3001768px\u30011440px\u304c\u76ee\u5b89\u3067\u3059\u3002<\/p>\n<h2>AI\u306bUI\u3092\u4f5c\u3089\u305b\u308b\u3068\u304d\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n<ol>\n<li>\u30dc\u30bf\u30f3\u3084\u30ea\u30f3\u30af\u306e\u53cd\u5fdc\u9818\u57df\u304c24px\u4ee5\u4e0a\u304b\u3002<\/li>\n<li>Tab\u30ad\u30fc\u3067\u5168\u64cd\u4f5c\u3067\u304d\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u304c\u898b\u3048\u3066\u96a0\u308c\u306a\u3044\u304b\u3002<\/li>\n<li>\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306breduced-motion\u5bfe\u5fdc\u304c\u3042\u308b\u304b\u3002<\/li>\n<li>\u6587\u5b57\u3068\u80cc\u666f\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c4.5:1\u4ee5\u4e0a\u304b\u3002<\/li>\n<li>320px\u5e45\u3067\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u304c\u51fa\u306a\u3044\u304b\u3002<\/li>\n<\/ol>\n<p>\u3053\u308c\u3089\u306f\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u306b\u300cWCAG 2.2 AA\u6e96\u62e0\u3001prefers-reduced-motion\u5bfe\u5fdc\u3001clamp\u3067\u53ef\u5909\u6587\u5b57\u300d\u3068\u4e00\u6587\u6dfb\u3048\u308b\u3060\u3051\u3067\u3082\u6539\u5584\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u6700\u5f8c\u306f\u4eba\u306e\u76ee\u3068\u30ad\u30fc\u30dc\u30fc\u30c9\u64cd\u4f5c\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<hr \/>\n<h2>\u4e3b\u306a\u60c5\u5831\u6e90<\/h2>\n<ul>\n<li><a href=\"https:\/\/w3c.github.io\/wcag\/guidelines\/22\" target=\"_blank\" rel=\"noopener\">W3C: Web Content Accessibility Guidelines (WCAG) 2.2<\/a><\/li>\n<li><a href=\"https:\/\/iaapaudit.com\/blog\/wcag-2-2-target-size-design-audit-guide\" target=\"_blank\" rel=\"noopener\">IAAP Audit: WCAG 2.2 Target Size<\/a><\/li>\n<li><a href=\"https:\/\/web.dev\/articles\/prefers-reduced-motion\" target=\"_blank\" rel=\"noopener\">web.dev: prefers-reduced-motion<\/a><\/li>\n<li><a href=\"https:\/\/web.dev\/learn\/accessibility\/motion\" target=\"_blank\" rel=\"noopener\">web.dev: Animation and motion<\/a><\/li>\n<li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/CSS\/Reference\/At-rules\/@media\/prefers-reduced-motion\" target=\"_blank\" rel=\"noopener\">MDN: prefers-reduced-motion<\/a><\/li>\n<li><a href=\"https:\/\/scrimba.com\/articles\/responsive-web-design-a-complete-guide-2026-2\" target=\"_blank\" rel=\"noopener\">Scrimba: Responsive Web Design Guide 2026<\/a><\/li>\n<li><a href=\"https:\/\/capellic.com\/insights\/accessible-colors\" target=\"_blank\" rel=\"noopener\">Capellic: Accessible Colors, WCAG to APCA<\/a><\/li>\n<\/ul>\n<p><small>\u5404\u30c4\u30fc\u30eb\u30fb\u30b5\u30fc\u30d3\u30b9\u306f\u63d0\u4f9b\u5143\u306e\u898f\u7d04\u306b\u5f93\u3063\u3066\u3054\u5229\u7528\u304f\u3060\u3055\u3044\u3002\u60c5\u5831\u306f\u5404\u60c5\u5831\u6e90\u306e\u516c\u958b\u6642\u70b9\u306e\u3082\u306e\u3067\u3059\u3002\u53ce\u96c6\u30fb\u8981\u7d04\u306fAI\u3001\u516c\u958b\u5224\u65ad\u306f\u4eba\u3002<\/small><\/p>\n","protected":false},"excerpt":{"rendered":"<p>AI\u751f\u6210UI\u3067\u629c\u3051\u3084\u3059\u3044\u30bf\u30c3\u30d7\u9818\u57df\u3001\u30e2\u30fc\u30b7\u30e7\u30f3\u914d\u616e\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u306e\u57fa\u790e\u3092\u3001WCAG 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