{"id":9611,"date":"2026-03-24T11:44:50","date_gmt":"2026-03-24T02:44:50","guid":{"rendered":"https:\/\/fastcoding.jp\/blog\/?p=9611"},"modified":"2026-03-24T11:44:57","modified_gmt":"2026-03-24T02:44:57","slug":"css-microinteraction-examples","status":"publish","type":"post","link":"https:\/\/fastcoding.jp\/blog\/all\/ui-ux\/css-microinteraction-examples\/","title":{"rendered":"\u6ede\u5728\u6642\u9593\u3092\u4f38\u3070\u3059\uff01\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u5b9f\u4f8b"},"content":{"rendered":"<div 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class=\"wp-block-heading\">\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3068\u306f<\/h2>\n\n\n\n<p>\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\u306b\u5bfe\u3059\u308b\u5c0f\u3055\u306a\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306e\u3053\u3068\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30dc\u30bf\u30f3\u306b\u30de\u30a6\u30b9\u3092\u4e57\u305b\u305f\u3068\u304d\u306e\u8272\u306e\u5909\u5316\u3001\u5165\u529b\u30d5\u30a9\u30fc\u30e0\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u304d\u306e\u67a0\u7dda\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u8981\u7d20\u304c\u3075\u308f\u3063\u3068\u73fe\u308c\u308b\u52d5\u304d\u306a\u3069\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u3064\u3072\u3068\u3064\u306f\u5730\u5473\u306a\u6f14\u51fa\u306a\u3093\u3067\u3059\u304c\u3001\u3053\u308c\u304c\u3042\u308b\u304b\u306a\u3044\u304b\u3067\u3001\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u5370\u8c61\u304c\u304b\u306a\u308a\u5909\u308f\u308b\u3093\u3067\u3059\u3088\u306d\u3002\u300c\u3061\u3083\u3093\u3068\u53cd\u5fdc\u3057\u3066\u304f\u308c\u308b\u30b5\u30a4\u30c8\u300d\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u5b89\u5fc3\u611f\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UX\u306b\u4e0e\u3048\u308b3\u3064\u306e\u52b9\u679c<\/h2>\n\n\n\n<p>\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u304cUX\u306b\u3069\u3046\u5f71\u97ff\u3059\u308b\u306e\u304b\u3001\u4e3b\u306a\u52b9\u679c\u3092\u6574\u7406\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6ede\u5728\u6642\u9593\u306e\u5411\u4e0a<\/strong>\uff1a\u52d5\u304d\u306e\u3042\u308b\u30b5\u30a4\u30c8\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u8996\u7dda\u3092\u81ea\u7136\u306b\u8a98\u5c0e\u3057\u307e\u3059\u3002NNGroup\uff08Nielsen Norman 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class=\"wp-block-heading\">CSS\u3060\u3051\u3067\u5b9f\u88c5\u3067\u304d\u308b\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f34\u9078<\/h2>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u306f\u3001JavaScript\u3092\u4f7f\u308f\u305aCSS\u3060\u3051\u3067\u5b9f\u88c5\u3067\u304d\u308b\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u30924\u3064\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3069\u308c\u3082\u30b3\u30d4\u30fc\u3057\u3066\u3059\u3050\u306b\u4f7f\u3048\u308b\u30b3\u30fc\u30c9\u4f8b\u3092\u8f09\u305b\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u6b21\u306e\u6848\u4ef6\u3067\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u30dc\u30bf\u30f3\u30db\u30d0\u30fc\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af<\/h3>\n\n\n\n<p>\u6700\u3082\u3088\u304f\u4f7f\u308f\u308c\u308b\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u304c\u30dc\u30bf\u30f3\u306e\u30db\u30d0\u30fc\u30a8\u30d5\u30a7\u30af\u30c8\u3067\u3059\u3002\u30de\u30a6\u30b9\u3092\u4e57\u305b\u305f\u3068\u304d\u306b\u8272\u304c\u5909\u308f\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u5c11\u3057\u6d6e\u304d\u4e0a\u304c\u308b\u3088\u3046\u306a\u5f71\u3092\u3064\u3051\u308b\u3068\u300c\u62bc\u305b\u308b\u30dc\u30bf\u30f3\u3060\u300d\u3068\u76f4\u611f\u7684\u306b\u4f1d\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;!-- HTML --&gt;\n&lt;a href=\"#\" class=\"btn-primary\"&gt;\u304a\u554f\u3044\u5408\u308f\u305b\u306f\u3053\u3061\u3089&lt;\/a&gt;<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* CSS *\/\n.btn-primary {\n  display: inline-block;\n  padding: 14px 32px;\n  background: #2563EB;\n  color: #fff;\n  text-decoration: none;\n  border-radius: 6px;\n  font-size: 0.95rem;\n  font-weight: 600;\n  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\n  transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;\n}\n\n.btn-primary:hover {\n  background: #1D4ED8;\n  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);\n  transform: translateY(-2px);\n}\n\n.btn-primary:active {\n  transform: translateY(0);\n  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\n}<\/code><\/pre>\n\n\n\n<p>\u30dd\u30a4\u30f3\u30c8\u306f<code>transition<\/code>\u3067\u5909\u5316\u306e\u901f\u3055\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u90e8\u5206\u3067\u3059\u30020.25\u79d2\u304f\u3089\u3044\u304c\u3061\u3087\u3046\u3069\u81ea\u7136\u306a\u901f\u3055\u3067\u3001\u901f\u3059\u304e\u305a\u9045\u3059\u304e\u305a\u3001\u300c\u53cd\u5fdc\u3057\u3066\u304f\u308c\u305f\u300d\u3068\u611f\u3058\u3089\u308c\u307e\u3059\u3002<code>:active<\/code>\u3067\u30af\u30ea\u30c3\u30af\u6642\u306b\u5143\u306e\u4f4d\u7f6e\u306b\u623b\u3059\u3053\u3068\u3067\u3001\u300c\u62bc\u3057\u305f\u300d\u611f\u899a\u3082\u518d\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u30d5\u30a9\u30fc\u30e0\u5165\u529b\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u30d5\u30a9\u30fc\u30ab\u30b9\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<p>\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u3084\u4f1a\u54e1\u767b\u9332\u30d5\u30a9\u30fc\u30e0\u3067\u3001\u5165\u529b\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u304d\u306b\u67a0\u7dda\u304c\u5909\u5316\u3059\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u300c\u4eca\u3069\u3053\u306b\u5165\u529b\u3057\u3066\u3044\u308b\u304b\u300d\u304c\u4e00\u76ee\u3067\u308f\u304b\u308b\u306e\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u8ff7\u3044\u3092\u6e1b\u3089\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;!-- HTML --&gt;\n&lt;div class=\"form-group\"&gt;\n  &lt;label for=\"email\"&gt;\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9&lt;\/label&gt;\n  &lt;input type=\"email\" id=\"email\" class=\"form-input\" placeholder=\"example@mail.com\"&gt;\n&lt;\/div&gt;<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* CSS *\/\n.form-group {\n  margin-bottom: 1.5rem;\n}\n\n.form-group label {\n  display: block;\n  font-size: 0.85rem;\n  font-weight: 600;\n  color: #374151;\n  margin-bottom: 0.5rem;\n}\n\n.form-input {\n  width: 100%;\n  padding: 12px 16px;\n  font-size: 1rem;\n  border: 2px solid #D1D5DB;\n  border-radius: 6px;\n  outline: none;\n  background: #fff;\n  transition: border-color 0.3s ease, box-shadow 0.3s ease;\n}\n\n.form-input:focus {\n  border-color: #2563EB;\n  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);\n}\n\n.form-input::placeholder {\n  color: #9CA3AF;\n}<\/code><\/pre>\n\n\n\n<p><code>box-shadow<\/code>\u3067\u5916\u5074\u306b\u3046\u3063\u3059\u3089\u8272\u3092\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u3066\u3044\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u3088\u308a\u76ee\u7acb\u3064\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f<code>outline: none<\/code>\u3092\u4f7f\u3063\u3066\u3044\u308b\u70b9\u3067\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u3092\u6d88\u3059\u5834\u5408\u306f\u3001\u5fc5\u305a<code>:focus<\/code>\u3067\u4ee3\u66ff\u306e\u8996\u899a\u7684\u306a\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u7528\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306fWCAG 2.1\u306e\u30d5\u30a9\u30fc\u30ab\u30b9\u8868\u793a\u8981\u4ef6\uff08Success Criterion 2.4.7\uff09\u3067\u3082\u6c42\u3081\u3089\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u30b9\u30af\u30ed\u30fc\u30eb\u9023\u52d5\u306e\u30d5\u30a7\u30fc\u30c9\u30a4\u30f3<\/h3>\n\n\n\n<p>\u30da\u30fc\u30b8\u3092\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u305f\u3068\u304d\u306b\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u3075\u308f\u3063\u3068\u73fe\u308c\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u4ee5\u524d\u306fJavaScript\u3067\u5b9f\u88c5\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3057\u305f\u304c\u3001CSS\u306e<code>@keyframes<\/code>\u3068<code>animation-timeline: view()<\/code>\u3092\u4f7f\u3048\u3070\u3001CSS\u3060\u3051\u3067\u5b9f\u73fe\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;!-- HTML --&gt;\n&lt;div class=\"fade-in-section\"&gt;\n  &lt;h3&gt;\u30b5\u30fc\u30d3\u30b9\u306e\u7279\u5fb4&lt;\/h3&gt;\n  &lt;p&gt;\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002&lt;\/p&gt;\n&lt;\/div&gt;<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* CSS *\/\n@keyframes fadeInUp {\n  from {\n    opacity: 0;\n    transform: translateY(30px);\n  }\n  to {\n    opacity: 1;\n    transform: translateY(0);\n  }\n}\n\n.fade-in-section {\n  animation: fadeInUp ease both;\n  animation-timeline: view();\n  animation-range: entry 0% entry 30%;\n}<\/code><\/pre>\n\n\n\n<p><code>animation-timeline: view()<\/code>\u306f\u3001\u8981\u7d20\u304c\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\u306b\u5165\u3063\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u59cb\u3059\u308bCSS\u6a5f\u80fd\u3067\u3059\u3002<code>animation-range<\/code>\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u767a\u706b\u3059\u308b\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u30022026\u5e743\u6708\u6642\u70b9\u3067\u3001Chrome 115\u4ee5\u964d\u3001Edge 115\u4ee5\u964d\u3001Safari 19\u4ee5\u964d\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>Firefox\u3067\u306f\u307e\u3060\u672a\u5bfe\u5fdc\u306e\u305f\u3081\u3001\u5bfe\u5fdc\u304c\u5fc5\u8981\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f<a href=\"https:\/\/caniuse.com\/css-animation-timeline\">Can I use<\/a>\u3067\u6700\u65b0\u306e\u30b5\u30dd\u30fc\u30c8\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u975e\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306a\u3057\u3067\u8981\u7d20\u304c\u305d\u306e\u307e\u307e\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u5d29\u308c\u308b\u5fc3\u914d\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u30ab\u30fc\u30c9\u30db\u30d0\u30fc\u306e\u6d6e\u304d\u4e0a\u304c\u308a\u30a8\u30d5\u30a7\u30af\u30c8<\/h3>\n\n\n\n<p>\u30b5\u30fc\u30d3\u30b9\u7d39\u4ecb\u3084\u30d6\u30ed\u30b0\u4e00\u89a7\u3067\u3088\u304f\u4f7f\u308f\u308c\u308b\u30ab\u30fc\u30c9UI\u306b\u3001\u30db\u30d0\u30fc\u6642\u306e\u6d6e\u304d\u4e0a\u304c\u308a\u30a8\u30d5\u30a7\u30af\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u524d\u56de\u306e\u8a18\u4e8b\u3067\u3082\u30ab\u30fc\u30c9\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u304c\u3001\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u52a0\u3048\u308b\u3053\u3068\u3067\u300c\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u8981\u7d20\u3060\u300d\u3068\u3044\u3046\u8a8d\u8b58\u3092\u81ea\u7136\u306b\u4fc3\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;!-- HTML --&gt;\n&lt;a href=\"#\" class=\"card-hover\"&gt;\n  &lt;div class=\"card-hover__img\"&gt;\n    &lt;img src=\"service.jpg\" alt=\"Web\u5236\u4f5c\u30b5\u30fc\u30d3\u30b9\" loading=\"lazy\"&gt;\n  &lt;\/div&gt;\n  &lt;div class=\"card-hover__body\"&gt;\n    &lt;h3&gt;Web\u5236\u4f5c&lt;\/h3&gt;\n    &lt;p&gt;\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002&lt;\/p&gt;\n  &lt;\/div&gt;\n&lt;\/a&gt;<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* CSS *\/\n.card-hover {\n  display: block;\n  text-decoration: none;\n  color: inherit;\n  background: #fff;\n  border-radius: 12px;\n  overflow: hidden;\n  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n  transition: transform 0.3s ease, box-shadow 0.3s ease;\n}\n\n.card-hover:hover {\n  transform: translateY(-6px);\n  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);\n}\n\n.card-hover__img img {\n  width: 100%;\n  height: auto;\n  display: block;\n  transition: transform 0.3s ease;\n}\n\n.card-hover:hover .card-hover__img img {\n  transform: scale(1.03);\n}\n\n.card-hover__body {\n  padding: 1.2rem;\n}\n\n.card-hover__body h3 {\n  font-size: 1.1rem;\n  margin-bottom: 0.5rem;\n}\n\n.card-hover__body p {\n  font-size: 0.9rem;\n  color: #6B7280;\n  line-height: 1.7;\n}<\/code><\/pre>\n\n\n\n<p>\u30ab\u30fc\u30c9\u5168\u4f53\u304c<code>translateY(-6px)<\/code>\u3067\u5c11\u3057\u6d6e\u304d\u4e0a\u304c\u308a\u3001\u540c\u6642\u306b\u5f71\u304c\u5e83\u304c\u308b\u3053\u3068\u3067\u300c\u6301\u3061\u4e0a\u304c\u3063\u305f\u300d\u3088\u3046\u306b\u898b\u3048\u308b\u3093\u3067\u3059\u3002\u3055\u3089\u306b\u753b\u50cf\u3092<code>scale(1.03)<\/code>\u3067\u308f\u305a\u304b\u306b\u62e1\u5927\u3059\u308b\u3068\u3001\u3088\u308a\u52d5\u304d\u304c\u51fa\u307e\u3059\u3002\u62e1\u5927\u3057\u3059\u304e\u308b\u3068\u4e0d\u81ea\u7136\u306b\u306a\u308b\u306e\u3067\u30011.03\u301c1.05\u7a0b\u5ea6\u304c\u81ea\u7136\u306a\u7bc4\u56f2\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">prefers-reduced-motion\u3078\u306e\u914d\u616e<\/h2>\n\n\n\n<p>\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306b\u3001\u5fd8\u308c\u3066\u306f\u3044\u3051\u306a\u3044\u306e\u304c<strong>\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3078\u306e\u914d\u616e<\/strong>\u3067\u3059\u3002\u524d\u5ead\u969c\u5bb3\u306e\u3042\u308b\u65b9\u3084\u3001\u52d5\u304d\u306e\u591a\u3044\u753b\u9762\u3067\u9154\u3044\u3084\u3059\u3044\u65b9\u306f\u3001OS\u306e\u8a2d\u5b9a\u3067\u300c\u8996\u899a\u52b9\u679c\u3092\u6e1b\u3089\u3059\u300d\u3092\u6709\u52b9\u306b\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002CSS\u3067\u306f\u3053\u306e\u8a2d\u5b9a\u3092<code>prefers-reduced-motion<\/code>\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u3067\u691c\u77e5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* \u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u6e1b\u3089\u3059\u8a2d\u5b9a\u304c\u6709\u52b9\u306a\u5834\u5408 *\/\n@media (prefers-reduced-motion: reduce) {\n  *,\n  *::before,\n  *::after {\n    animation-duration: 0.01ms !important;\n    animation-iteration-count: 1 !important;\n    transition-duration: 0.01ms !important;\n  }\n}<\/code><\/pre>\n\n\n\n<p>\u3053\u306eCSS\u3092\u8ffd\u52a0\u3057\u3066\u304a\u304f\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u304cOS\u3067\u300c\u8996\u899a\u52b9\u679c\u3092\u6e1b\u3089\u3059\u300d\u8a2d\u5b9a\u3092\u30aa\u30f3\u306b\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3068\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u304c\u5b9f\u8cea\u7684\u306b\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002W3C\u306eWCAG 2.1\u3067\u306f\u3001Success Criterion 2.3.3\u300cAnimation from Interactions\u300d\uff08Level AAA\uff09\u3068\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u7121\u52b9\u5316\u3067\u304d\u308b\u624b\u6bb5\u306e\u63d0\u4f9b\u304c\u898f\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002Level AAA\u306f\u6700\u9ad8\u30ec\u30d9\u30eb\u306e\u57fa\u6e96\u3067\u3059\u304c\u3001prefers-reduced-motion\u3078\u306e\u5bfe\u5fdc\u306fCSS\u3092\u6570\u884c\u8ffd\u52a0\u3059\u308b\u3060\u3051\u306a\u306e\u3067\u3001\u5b9f\u88c5\u30b3\u30b9\u30c8\u306e\u9762\u304b\u3089\u3082\u7a4d\u6975\u7684\u306b\u53d6\u308a\u5165\u308c\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u300c\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u5bfe\u5fdc\u306f\u3069\u3053\u307e\u3067\u3084\u308b\u3079\u304d\u304b\u300d\u3068\u805e\u304b\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3093\u3067\u3059\u304c\u3001\u3053\u306e\u6570\u884c\u3092\u5165\u308c\u308b\u3060\u3051\u3067\u304b\u306a\u308a\u5bfe\u5fdc\u7bc4\u56f2\u304c\u5e83\u304c\u308b\u306e\u3067\u3001\u79c1\u306f\u3044\u3064\u3082\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u542b\u3081\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u5c0e\u5165\u52b9\u679c<\/h2>\n\n\n\n<p>\u3053\u3053\u3067\u3001\u5b9f\u969b\u306b\u6848\u4ef6\u3067\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u5c0e\u5165\u3057\u305f\u7d4c\u9a13\u3092\u304a\u8a71\u3057\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3042\u308b\u30b3\u30fc\u30dd\u30ec\u30fc\u30c8\u30b5\u30a4\u30c8\u306e\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u6848\u4ef6\u3067\u3001\u65e2\u5b58\u30b5\u30a4\u30c8\u306b\u306f\u4e00\u5207\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u30dc\u30bf\u30f3\u3092\u30db\u30d0\u30fc\u3057\u3066\u3082\u8272\u304c\u5909\u308f\u3089\u305a\u3001\u30ab\u30fc\u30c9\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3082\u53cd\u5fdc\u304c\u306a\u3044\u72b6\u614b\u3067\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u300c\u30b5\u30a4\u30c8\u304c\u53e4\u81ed\u3044\u5370\u8c61\u3092\u53d7\u3051\u308b\u300d\u3068\u3044\u3046\u58f0\u304c\u3042\u308a\u3001\u4eca\u56de\u7d39\u4ecb\u3057\u305f\u3088\u3046\u306a\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\u306b\u884c\u3063\u305f\u306e\u306f\u3001\u4ee5\u4e0b\u306e3\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30dc\u30bf\u30f3\u306b\u30db\u30d0\u30fc\u30a8\u30d5\u30a7\u30af\u30c8\u3068<code>:active<\/code>\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u8ffd\u52a0<\/li>\n<li>\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u306e\u30d5\u30a9\u30fc\u30ab\u30b9\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5<\/li>\n<li>\u5404\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u9023\u52d5\u306e\u30d5\u30a7\u30fc\u30c9\u30a4\u30f3\u3092\u8ffd\u52a0<\/li>\n<\/ul>\n\n\n\n<p>\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u5f8c\u3001Google Analytics\u3067\u8a08\u6e2c\u3057\u305f\u3068\u3053\u308d\u3001\u30da\u30fc\u30b8\u5e73\u5747\u6ede\u5728\u6642\u9593\u304c\u7d0415%\u5411\u4e0a\u3057\u3001\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u306e\u5b8c\u4e86\u7387\u3082\u6539\u5584\u304c\u898b\u3089\u308c\u307e\u3057\u305f\u3002\u3082\u3061\u308d\u3093\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3060\u3051\u304c\u8981\u56e0\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u300c\u5c0f\u3055\u306a\u52d5\u304d\u300d\u306e\u7a4d\u307f\u91cd\u306d\u304c\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u5370\u8c61\u3092\u5909\u3048\u305f\u306e\u306f\u9593\u9055\u3044\u306a\u3044\u3068\u611f\u3058\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u591c\u3001\u5b50\u3069\u3082\u305f\u3061\u304c\u5bdd\u305f\u5f8c\u306b\u30b3\u30fc\u30d2\u30fc\u3092\u98f2\u307f\u306a\u304c\u3089\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u524d\u5f8c\u306e\u52d5\u304d\u3092\u898b\u6bd4\u3079\u3066\u3044\u305f\u3093\u3067\u3059\u304c\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u5165\u3063\u305f\u3060\u3051\u3067\u300c\u3061\u3083\u3093\u3068\u3057\u305f\u30b5\u30a4\u30c8\u300d\u306b\u898b\u3048\u308b\u306e\u304c\u4e0d\u601d\u8b70\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5c0e\u5165\u5224\u65ad\u306e\u57fa\u6e96\u3068\u300c\u3084\u308a\u3059\u304e\u300d\u306e\u30e9\u30a4\u30f3<\/h2>\n\n\n\n<p>\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306f\u52b9\u679c\u7684\u3067\u3059\u304c\u3001\u5165\u308c\u3059\u304e\u308b\u3068\u9006\u52b9\u679c\u306b\u306a\u308a\u307e\u3059\u3002\u753b\u9762\u306e\u3042\u3061\u3053\u3061\u304c\u52d5\u3044\u3066\u3044\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u3069\u3053\u306b\u6ce8\u76ee\u3059\u308c\u3070\u3044\u3044\u304b\u308f\u304b\u3089\u306a\u304f\u306a\u308b\u3093\u3067\u3059\u3088\u306d\u3002\u5224\u65ad\u306e\u57fa\u6e96\u3068\u3057\u3066\u3001\u79c1\u304c\u73fe\u5834\u3067\u610f\u8b58\u3057\u3066\u3044\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u6574\u7406\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u76ee\u7684\u304c\u3042\u308b\u304b<\/strong>\uff1a\u300c\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u3053\u3068\u3092\u4f1d\u3048\u308b\u300d\u300c\u5165\u529b\u4f4d\u7f6e\u3092\u660e\u793a\u3059\u308b\u300d\u306a\u3069\u3001\u52d5\u304d\u306b\u7406\u7531\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u88c5\u98fe\u76ee\u7684\u3060\u3051\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u907f\u3051\u308b\u306e\u304c\u7121\u96e3\u3067\u3059<\/li>\n<li><strong>\u901f\u5ea6\u306f0.2\u301c0.4\u79d2\u4ee5\u5185\u304b<\/strong>\uff1aGoogle\u306e\u30de\u30c6\u30ea\u30a2\u30eb\u30c7\u30b6\u30a4\u30f3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3067\u3082\u3001UI\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f200\u301c400ms\u304c\u63a8\u5968\u3055\u308c\u308b\u76ee\u5b89\u3067\u3059\u3002\u3053\u308c\u3088\u308a\u9045\u3044\u3068\u300c\u3082\u3063\u3055\u308a\u300d\u3057\u305f\u5370\u8c61\u306b\u306a\u308a\u307e\u3059<\/li>\n<li><strong>\u4e00\u753b\u9762\u3067\u52d5\u304f\u306e\u306f1\u301c2\u8981\u7d20\u307e\u3067<\/strong>\uff1a\u540c\u6642\u306b\u8907\u6570\u306e\u8981\u7d20\u304c\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u3068\u3001\u60c5\u5831\u306e\u512a\u5148\u5ea6\u304c\u308f\u304b\u3089\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u8996\u7dda\u3092\u8a98\u5c0e\u3057\u305f\u3044\u7b87\u6240\u306b\u7d5e\u308b\u306e\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059<\/li>\n<li><strong>prefers-reduced-motion\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b<\/strong>\uff1a\u524d\u8ff0\u306e\u3068\u304a\u308a\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3078\u306e\u914d\u616e\u306f\u5fc5\u9808\u3067\u3059<\/li>\n<\/ul>\n\n\n\n<p>\u30c7\u30a3\u30ec\u30af\u30bf\u30fc\u306e\u65b9\u304c\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u5b9f\u88c5\u3092\u4f9d\u983c\u3059\u308b\u5834\u5408\u306f\u3001\u300c\u3069\u306e\u8981\u7d20\u306b\u300d\u300c\u3069\u3093\u306a\u76ee\u7684\u3067\u300d\u300c\u3069\u306e\u7a0b\u5ea6\u306e\u52d5\u304d\u3092\u300d\u3064\u3051\u308b\u306e\u304b\u3092\u660e\u78ba\u306b\u4f1d\u3048\u308b\u3068\u3001\u30b9\u30e0\u30fc\u30ba\u306b\u9032\u307f\u307e\u3059\u3002\u300c\u5168\u4f53\u7684\u306b\u30ea\u30c3\u30c1\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u306e\u3088\u3046\u306a\u66d6\u6627\u306a\u6307\u793a\u3060\u3068\u3001\u3084\u308a\u3059\u304e\u306b\u306a\u3063\u305f\u308a\u7d71\u4e00\u611f\u304c\u306a\u304f\u306a\u3063\u305f\u308a\u3057\u304c\u3061\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u4eca\u56de\u306f\u3001CSS\u3060\u3051\u3067\u5b9f\u88c5\u3067\u304d\u308b\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u5b9f\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002\u30dc\u30bf\u30f3\u306e\u30db\u30d0\u30fc\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u30d5\u30a9\u30fc\u30ab\u30b9\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u9023\u52d5\u306e\u30d5\u30a7\u30fc\u30c9\u30a4\u30f3\u3001\u30ab\u30fc\u30c9\u306e\u6d6e\u304d\u4e0a\u304c\u308a\u3068\u3001\u3069\u308c\u3082\u6570\u884c\u306eCSS\u3067\u5b9f\u88c5\u3067\u304d\u308b\u3082\u306e\u3070\u304b\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u5c0e\u5165\u3067\u62bc\u3055\u3048\u3066\u304a\u304d\u305f\u3044\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u4ee5\u4e0b\u306e4\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c0f\u3055\u306a\u52d5\u304d\u3067\u3082UX\u3078\u306e\u5f71\u97ff\u306f\u5927\u304d\u3044\u3002\u6ede\u5728\u6642\u9593\u3084\u64cd\u4f5c\u611f\u306e\u6539\u5584\u306b\u3064\u306a\u304c\u308b<\/li>\n<li>CSS\u306e<code>transition<\/code>\u3068<code>transform<\/code>\u3060\u3051\u3067\u3001\u5b9f\u7528\u7684\u306a\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u304c\u4f5c\u308c\u308b<\/li>\n<li><code>prefers-reduced-motion<\/code>\u3067\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306b\u914d\u616e\u3059\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044<\/li>\n<li>\u3084\u308a\u3059\u304e\u306f\u9006\u52b9\u679c\u3002\u76ee\u7684\u306e\u3042\u308b\u52d5\u304d\u3060\u3051\u306b\u7d5e\u308b\u3053\u3068\u304c\u5927\u5207<\/li>\n<\/ul>\n\n\n\n<p>\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3053\u308c\u3089\u3092\u5c0e\u5165\u3057\u305f\u3068\u3053\u308d\u3001\u30da\u30fc\u30b8\u6ede\u5728\u6642\u9593\u306e\u5411\u4e0a\u3084\u30d5\u30a9\u30fc\u30e0\u5b8c\u4e86\u7387\u306e\u6539\u5584\u304c\u898b\u3089\u308c\u307e\u3057\u305f\u3002\u30b3\u30b9\u30c8\u3092\u304b\u3051\u305a\u306b\u30b5\u30a4\u30c8\u306e\u5370\u8c61\u3092\u5e95\u4e0a\u3052\u3067\u304d\u308b\u624b\u6cd5\u306a\u306e\u3067\u3001\u6b21\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u305c\u3072\u53d6\u308a\u5165\u308c\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p><a 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