{"id":1156,"date":"2025-07-06T11:19:02","date_gmt":"2025-07-06T02:19:02","guid":{"rendered":"https:\/\/blog.espresso.earth\/?p=1156"},"modified":"2025-07-09T23:55:53","modified_gmt":"2025-07-09T14:55:53","slug":"css-selector","status":"publish","type":"post","link":"https:\/\/blog.espresso.earth\/index.php\/2025\/07\/06\/css-selector\/","title":{"rendered":"CSS \u30bb\u30ec\u30af\u30bf\u30fc\u306e\u7d39\u4ecb(is,not,has,where)"},"content":{"rendered":"\n<p>\u4eba\u306b\u3088\u3063\u3066\u66f8\u304d\u65b9\u304c\u7570\u306a\u308a\u8ca0\u50b5\u5316\u3059\u308b\u305f\u3081\u304b\u3001\u3042\u307e\u308a\u4e0b\u8a18\u306e\u3088\u3046\u306a\u6307\u5b9a\u3092\u5b9f\u969b\u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u306e\u30bd\u30fc\u30b9\u306a\u3069\u3067\u898b\u304b\u3051\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u81ea\u5206\u3067\u4f5c\u308b\u6642\u306b\u306f\u975e\u5e38\u306b\u6709\u7528\u306a\u305f\u3081\u3001\u66f8\u304d\u6b8b\u3057\u3066\u304a\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 <code>:is()<\/code> \/ <code>:not()<\/code> \/ <code>:has()<\/code> \/ <code>:where()<\/code><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">CSS\u306e\u6700\u65b0\u30bb\u30ec\u30af\u30bf\u30fc \u00d7 \u82f1\u8a9e\u306e\u610f\u5473\u3067\u7406\u89e3\u3059\u308b<\/h3>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd39 <code>:is()<\/code> \u2014 <strong>\u300c\u301c\u3067\u3042\u308b\u3082\u306e\u300d<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u82f1\u8a9e\u611f\uff1a<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;is&#8221; = \u300c\u301c\u3067\u3042\u308b\u300d<\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\">CSS\u7528\u9014\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8907\u6570\u30bb\u30ec\u30af\u30bf\u30fc\u3092<strong>\u4e00\u62ec\u6307\u5b9a<\/strong>\u3057\u305f\u3044\u3068\u304d\u306b\u4f7f\u3046<\/li>\n\n\n\n<li>\u30cd\u30b9\u30c8\u306e\u4e2d\u3067<strong>\u89aa\u306e\u5171\u901a\u90e8\u5206\u3060\u3051\u66f8\u304d\u305f\u3044<\/strong>\u3068\u304d\u306b\u3082\u4fbf\u5229<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b5\u30f3\u30d7\u30eb\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>:is(h1, h2, h3) {\n  font-weight: bold;\n}\n<\/code><\/pre>\n\n\n\n<p>\ud83d\udccc h1\u301ch3\u3059\u3079\u3066\u306b\u592a\u5b57\u3092\u9069\u7528<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd39 <code>:not()<\/code> \u2014 <strong>\u300c\u301c\u3067\u306a\u3044\u3082\u306e\u300d<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u82f1\u8a9e\u611f\uff1a<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;not&#8221; = \u300c\u301c\u3067\u306a\u3044\u300d<\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\">CSS\u7528\u9014\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6307\u5b9a\u3057\u305f\u6761\u4ef6<strong>\u4ee5\u5916<\/strong>\u306e\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u5f53\u3066\u305f\u3044\u3068\u304d<\/li>\n\n\n\n<li>\u9664\u5916\u30bb\u30ec\u30af\u30bf\u30fc<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b5\u30f3\u30d7\u30eb\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>li:not(.active) {opacity: 0.5;}<\/code><\/pre>\n\n\n\n<p>\ud83d\udccc <code>.active<\/code> \u304c<strong>\u3064\u3044\u3066\u306a\u3044 li<\/strong>\u3060\u3051\u534a\u900f\u660e\u306b\u3059\u308b<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd39 <code>:has()<\/code> \u2014 <strong>\u300c\u301c\u3092\u6301\u3063\u3066\u3044\u308b\u3082\u306e\u300d<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u82f1\u8a9e\u611f\uff1a<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;has&#8221; = \u300c\u301c\u3092\u6301\u3064\u300d\u300c\u301c\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u300d<\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\">CSS\u7528\u9014\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b50\u8981\u7d20\u306e\u6709\u7121\u3067\u89aa\u8981\u7d20\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u3048\u305f\u3044<\/strong><\/li>\n\n\n\n<li>\u304b\u3064\u3066\u306fJS\u304c\u5fc5\u8981\u3060\u3063\u305f\u69cb\u9020\u7684\u306a\u6307\u5b9a\u304c\u53ef\u80fd\u306b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b5\u30f3\u30d7\u30eb\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>.card:has(img) {\n  padding-top: 2rem;\n}\n<\/code><\/pre>\n\n\n\n<p>\ud83d\udccc <code>.card<\/code> \u306e\u4e2d\u306b <code>img<\/code> \u304c\u3042\u308b\u5834\u5408\u3060\u3051\u3001\u4f59\u767d\u3092\u8ffd\u52a0<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd39 <code>:where()<\/code> \u2014 <strong>\u300c\u301c\u306b\u304a\u3044\u3066\uff08\u3069\u308c\u3067\u3082\uff09\u300d<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u82f1\u8a9e\u611f\uff1a<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;where&#8221; = \u300c\u301c\u306b\u304a\u3044\u3066\u300d\u300c\u3069\u308c\u3067\u3082\uff08\u6761\u4ef6\u306b\u5408\u3046\u3082\u306e\u306a\u3089\uff09\u300d<\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\">CSS\u7528\u9014\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>:is()<\/code>\u3068\u540c\u3058\u304f\u8907\u6570\u30bb\u30ec\u30af\u30bf\u30fc\u3092\u307e\u3068\u3081\u3089\u308c\u308b<\/li>\n\n\n\n<li>\u305f\u3060\u3057\uff01<strong>CSS\u306e\u512a\u5148\u5ea6\uff08specificity\uff09\u3092\u30bc\u30ed\u306b\u3059\u308b<\/strong><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b5\u30f3\u30d7\u30eb\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>:where(header, footer, nav) {\n  margin: 0;\n}\n<\/code><\/pre>\n\n\n\n<p>\ud83d\udccc \u5171\u901a\u8981\u7d20\u306b\u30ea\u30bb\u30c3\u30c8\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b\u306e\u306b\u6700\u9069<br>\ud83d\udc49 \u512a\u5148\u5ea6\u304c\u4f4e\u3044\u306e\u3067\u3001\u3042\u3068\u304b\u3089\u4ed6\u306e\u30b9\u30bf\u30a4\u30eb\u3067<strong>\u7c21\u5358\u306b\u4e0a\u66f8\u304d\u3067\u304d\u308b<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 \u307e\u3068\u3081\uff1a\u82f1\u8a9e \u00d7 CSS \u306e\u5bfe\u5fdc\u8868<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30bb\u30ec\u30af\u30bf\u30fc<\/th><th>\u82f1\u8a9e\u306e\u610f\u5473<\/th><th>\u4e3b\u306a\u4f7f\u3044\u3069\u3053\u308d<\/th><th>\u512a\u5148\u5ea6<\/th><th>\u30b5\u30f3\u30d7\u30eb\u4f8b<\/th><\/tr><\/thead><tbody><tr><td><code>:is()<\/code><\/td><td>\u300c\u301c\u3067\u3042\u308b\u300d<\/td><td>\u8907\u6570\u306e\u30bb\u30ec\u30af\u30bf\u30fc\u3092\u307e\u3068\u3081\u305f\u3044<\/td><td>\u9ad8\uff08\u901a\u5e38\u901a\u308a\uff09<\/td><td><code>:is(h1, h2)<\/code><\/td><\/tr><tr><td><code>:not()<\/code><\/td><td>\u300c\u301c\u3067\u306a\u3044\u300d<\/td><td>\u9664\u5916\u3057\u305f\u3044\u6761\u4ef6\u304c\u3042\u308b\u3068\u304d<\/td><td>\u9ad8\uff08\u901a\u5e38\u901a\u308a\uff09<\/td><td><code>li:not(.active)<\/code><\/td><\/tr><tr><td><code>:has()<\/code><\/td><td>\u300c\u301c\u3092\u6301\u3063\u3066\u3044\u308b\u300d<\/td><td>\u5b50\u8981\u7d20\u306e\u6709\u7121\u306b\u5fdc\u3058\u3066\u89aa\u3092\u5909\u3048\u305f\u3044<\/td><td>\u9ad8\uff08\u901a\u5e38\u901a\u308a\uff09<\/td><td><code>.box:has(img)<\/code><\/td><\/tr><tr><td><code>:where()<\/code><\/td><td>\u300c\u3069\u308c\u3067\u3082\u3001\u306b\u304a\u3044\u3066\u300d<\/td><td>\u5171\u901a\u30b9\u30bf\u30a4\u30eb\u306e\u30ea\u30bb\u30c3\u30c8\u3084\u8efd\u91cf\u6307\u5b9a<\/td><td><strong>\u4f4e\uff080\uff09<\/strong><\/td><td><code>:where(nav, footer)<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2728 \u3053\u3093\u306a\u899a\u3048\u65b9\u3082\u3042\u308a\uff01<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>:is()<\/code> \u2192\u300c\u3053\u308c\u3089<strong>\u3067\u3042\u308b<\/strong>\u306a\u3089\u30b9\u30bf\u30a4\u30eb\u3059\u308b\u300d<\/li>\n\n\n\n<li><code>:not()<\/code> \u2192\u300c\u3053\u308c\u3089<strong>\u3067\u306a\u3044<\/strong>\u306a\u3089\u30b9\u30bf\u30a4\u30eb\u3059\u308b\u300d<\/li>\n\n\n\n<li><code>:has()<\/code> \u2192\u300c\u4e2d\u306b\u3053\u308c\u304c<strong>\u3042\u308b\u306a\u3089<\/strong>\u30b9\u30bf\u30a4\u30eb\u3059\u308b\u300d<\/li>\n\n\n\n<li><code>:where()<\/code> \u2192\u300c\u3053\u308c\u3089<strong>\u3069\u308c\u3067\u3082OK\uff08\u3067\u3082\u512a\u5148\u5ea6\u4f4e\u3044\uff09<\/strong>\u300d<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 <code>:is()<\/code>\u7cfb\u306b\u4f3c\u305fCSS\u7591\u4f3c\u30af\u30e9\u30b9\u30fb\u30bb\u30ec\u30af\u30bf\u30fc\u4e00\u89a7<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u82f1\u8a9e\u7684\u306b\u8aad\u3081\u308b \/ \u6761\u4ef6\u6587\u3063\u307d\u3044CSS\u30bb\u30ec\u30af\u30bf\u30fc<\/strong>\u3092\u4e2d\u5fc3\u306b\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd37 \u6761\u4ef6\u3063\u307d\u3044\u610f\u5473\u306e\u30bb\u30ec\u30af\u30bf\u30fc<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30bb\u30ec\u30af\u30bf\u30fc<\/th><th>\u8aad\u307f\u611f \/ \u82f1\u8a9e\u7684\u610f\u5473<\/th><th>\u7528\u9014\u30fb\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td><code>:is()<\/code><\/td><td>\u300c\u301c\u3067\u3042\u308b\u300d<\/td><td>\u8907\u6570\u306e\u30bb\u30ec\u30af\u30bf\u30fc\u3092\u307e\u3068\u3081\u308b<\/td><\/tr><tr><td><code>:not()<\/code><\/td><td>\u300c\u301c\u3067\u306a\u3044\u300d<\/td><td>\u6307\u5b9a\u3057\u305f\u3082\u306e\u3092\u9664\u5916\u3059\u308b<\/td><\/tr><tr><td><code>:has()<\/code><\/td><td>\u300c\u301c\u3092\u542b\u3093\u3067\u3044\u308b\u300d<\/td><td>\u5b50\u8981\u7d20\u3092\u898b\u3066\u89aa\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528<\/td><\/tr><tr><td><code>:where()<\/code><\/td><td>\u300c\u3069\u308c\u3067\u3082\uff08\u6761\u4ef6\u4ed8\u304d\uff09\u300d<\/td><td><code>:is()<\/code>\u3068\u540c\u3058\u69cb\u6587\uff0b\u512a\u5148\u5ea6\u30bc\u30ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd37 \u72b6\u614b\u3092\u8868\u3059\u30bb\u30ec\u30af\u30bf\u30fc\uff08\u72b6\u614b\u52d5\u8a5e\u7cfb\uff09<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30bb\u30ec\u30af\u30bf\u30fc<\/th><th>\u82f1\u8a9e\u7684\u610f\u5473<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td><code>:hover<\/code><\/td><td>\u300c\u30db\u30d0\u30fc\u3057\u3066\u3044\u308b\u300d<\/td><td>\u30de\u30a6\u30b9\u30ab\u30fc\u30bd\u30eb\u304c\u4e57\u3063\u3066\u3044\u308b\u3068\u304d<\/td><\/tr><tr><td><code>:focus<\/code><\/td><td>\u300c\u30d5\u30a9\u30fc\u30ab\u30b9\u3055\u308c\u3066\u3044\u308b\u300d<\/td><td>\u5165\u529b\u3084\u9078\u629e\u72b6\u614b\u306b\u3042\u308b\u3068\u304d<\/td><\/tr><tr><td><code>:checked<\/code><\/td><td>\u300c\u30c1\u30a7\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u300d<\/td><td>\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u306a\u3069<\/td><\/tr><tr><td><code>:disabled<\/code><\/td><td>\u300c\u7121\u52b9\u3067\u3042\u308b\u300d<\/td><td>\u30dc\u30bf\u30f3\u3084\u5165\u529b\u306a\u3069<\/td><\/tr><tr><td><code>:enabled<\/code><\/td><td>\u300c\u6709\u52b9\u3067\u3042\u308b\u300d<\/td><td>\u2191\u306e\u9006<\/td><\/tr><tr><td><code>:required<\/code><\/td><td>\u300c\u5fc5\u9808\u3067\u3042\u308b\u300d<\/td><td>\u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u306a\u3069<\/td><\/tr><tr><td><code>:optional<\/code><\/td><td>\u300c\u4efb\u610f\u3067\u3042\u308b\u300d<\/td><td>\u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u306a\u3069<\/td><\/tr><tr><td><code>:read-only<\/code><\/td><td>\u300c\u8aad\u307f\u53d6\u308a\u5c02\u7528\u3067\u3042\u308b\u300d<\/td><td>\u30d5\u30a9\u30fc\u30e0\u306a\u3069<\/td><\/tr><tr><td><code>:read-write<\/code><\/td><td>\u300c\u7de8\u96c6\u53ef\u80fd\u3067\u3042\u308b\u300d<\/td><td>\u2191\u306e\u9006<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udccc \u3053\u308c\u3089\u306f\u300c\u301c\u3067\u3042\u308b\u300d\u3068\u3044\u3046 <strong>\u72b6\u614b\u5224\u5b9a<\/strong> \u30bb\u30ec\u30af\u30bf\u30fc\u3002<code>:is()<\/code> \u306b\u8fd1\u3044\u30cb\u30e5\u30a2\u30f3\u30b9\u3092\u6301\u3064\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd37 \u69cb\u9020\u306b\u95a2\u3059\u308b\u30bb\u30ec\u30af\u30bf\u30fc\uff08\u95a2\u4fc2\u8a5e\u3063\u307d\u3044\uff09<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30bb\u30ec\u30af\u30bf\u30fc<\/th><th>\u82f1\u8a9e\u7684\u610f\u5473 \/ \u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td><code>:first-child<\/code><\/td><td>\u6700\u521d\u306e\u5b50\u3067\u3042\u308b<\/td><\/tr><tr><td><code>:last-child<\/code><\/td><td>\u6700\u5f8c\u306e\u5b50\u3067\u3042\u308b<\/td><\/tr><tr><td><code>:nth-child(n)<\/code><\/td><td>n\u756a\u76ee\u306e\u5b50\u3067\u3042\u308b<\/td><\/tr><tr><td><code>:nth-of-type(n)<\/code><\/td><td>\u7279\u5b9a\u30bf\u30b0\u306en\u756a\u76ee<\/td><\/tr><tr><td><code>:only-child<\/code><\/td><td>\u552f\u4e00\u306e\u5b50\u3067\u3042\u308b<\/td><\/tr><tr><td><code>:empty<\/code><\/td><td>\u4e2d\u8eab\u304c\u7a7a\u3067\u3042\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udccc <code>:has()<\/code> \u307b\u3069\u5f37\u529b\u3067\u306f\u306a\u3044\u304c\u3001\u300c\u69cb\u9020\u30d9\u30fc\u30b9\u306e\u6761\u4ef6\u300d\u3068\u3057\u3066\u7d44\u307f\u5408\u308f\u305b\u306b\u4f7f\u3048\u308b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd37 HTML\u5c5e\u6027\u306b\u95a2\u3059\u308b\u7591\u4f3c\u30af\u30e9\u30b9\uff08\u82f1\u8a9e\u7684\u306b\u610f\u5473\u3092\u3082\u3064\uff09<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30bb\u30ec\u30af\u30bf\u30fc<\/th><th>\u82f1\u8a9e\u611f<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td><code>[attr]<\/code><\/td><td>\u300c\u5c5e\u6027\u3092\u6301\u3064\u300d<\/td><td><code>input[required]<\/code> \u306a\u3069<\/td><\/tr><tr><td><code>[attr=value]<\/code><\/td><td>\u300c\u5c5e\u6027\u304c=\u3067\u3042\u308b\u300d<\/td><td><code>a[target=_blank]<\/code> \u306a\u3069<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <code>:has()<\/code> \u7684\u306a\u300c\u301c\u3092\u6301\u3063\u3066\u308b\u300d\u30cb\u30e5\u30a2\u30f3\u30b9\u306b\u8fd1\u3044\u4f7f\u3044\u65b9\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 \u82f1\u8a9e\u3063\u307d\u304f\u8aad\u3081\u308b\u7591\u4f3c\u30af\u30e9\u30b9\u307e\u3068\u3081<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30ab\u30c6\u30b4\u30ea<\/th><th>\u30bb\u30ec\u30af\u30bf\u30fc\u4f8b<\/th><th>\u82f1\u8a9e\u7684\u610f\u5473<\/th><\/tr><\/thead><tbody><tr><td>\u6761\u4ef6\u7cfb<\/td><td><code>:is()<\/code>, <code>:not()<\/code>, <code>:has()<\/code>, <code>:where()<\/code><\/td><td>\u301c\u3067\u3042\u308b\uff0f\u306a\u3044\uff0f\u542b\u3080\uff0f\u4efb\u610f<\/td><\/tr><tr><td>\u72b6\u614b\u7cfb<\/td><td><code>:hover<\/code>, <code>:checked<\/code>, <code>:disabled<\/code>\u306a\u3069<\/td><td>\u301c\u3057\u3066\u3044\u308b\uff0f\u3055\u308c\u305f<\/td><\/tr><tr><td>\u69cb\u9020\u7cfb<\/td><td><code>:first-child<\/code>, <code>:only-child<\/code><\/td><td>\u6700\u521d\u30fb\u552f\u4e00\u306a\u3069<\/td><\/tr><tr><td>\u5c5e\u6027\u30bb\u30ec\u30af\u30bf\u30fc<\/td><td><code>[attr]<\/code>, <code>[attr=value]<\/code><\/td><td>\u301c\u3068\u3044\u3046\u5c5e\u6027\u3092\u6301\u3064<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 \u4f3c\u305f\u66f8\u304d\u65b9\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\uff1f<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>button:is(:hover, :focus):not(:disabled) {\n  background-color: blue;\n}\n<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 <strong>\u30db\u30d0\u30fc or \u30d5\u30a9\u30fc\u30ab\u30b9<\/strong>\u3055\u308c\u3066\u3066\u3001<strong>\u7121\u52b9\u3067\u306a\u3044<\/strong>\u30dc\u30bf\u30f3\u306b\u3060\u3051\u9069\u7528\u3059\u308b<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcdd \u307e\u3068\u3081<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>CSS\u30bb\u30ec\u30af\u30bf\u30fc\u306f\u305f\u3060\u306e\u30eb\u30fc\u30eb\u3058\u3083\u306a\u304f\u3001<strong>\u82f1\u8a9e\u7684\u306b\u8aad\u3081\u308b\u300c\u6761\u4ef6\u6587\u300d\u307f\u305f\u3044\u306a\u3082\u306e<\/strong>\u3067\u3059\u3002<br><code>:is()<\/code> \u3067\u300c\u301c\u3067\u3042\u308b\u300d\u3001<code>:not()<\/code> \u3067\u300c\u301c\u3067\u306a\u3044\u300d\u3001<code>:has()<\/code> \u3067\u300c\u301c\u3092\u6301\u3064\u300d\u306a\u3069\u3001\u610f\u5473\u304c\u76f4\u611f\u7684\u306b\u4f1d\u308f\u308b\u306e\u3067\u3001\u3046\u307e\u304f\u4f7f\u3048\u3070<strong>CSS\u304c\u307e\u308b\u3067\u4f1a\u8a71\u6587<\/strong>\u306e\u3088\u3046\u306b\u66f8\u3051\u307e\u3059\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>\u4eba\u306b\u3088\u3063\u3066\u66f8\u304d\u65b9\u304c\u7570\u306a\u308a\u8ca0\u50b5\u5316\u3059\u308b\u305f\u3081\u304b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1436,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,8,24],"tags":[56],"class_list":["post-1156","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-css","category-it","category-web","tag-css"],"_links":{"self":[{"href":"https:\/\/blog.espresso.earth\/index.php\/wp-json\/wp\/v2\/posts\/1156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.espresso.earth\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.espresso.earth\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.espresso.earth\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.espresso.earth\/index.php\/wp-json\/wp\/v2\/comments?post=1156"}],"version-history":[{"count":9,"href":"https:\/\/blog.espresso.earth\/index.php\/wp-json\/wp\/v2\/posts\/1156\/revisions"}],"predecessor-version":[{"id":1275,"href":"https:\/\/blog.espresso.earth\/index.php\/wp-json\/wp\/v2\/posts\/1156\/revisions\/1275"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.espresso.earth\/index.php\/wp-json\/wp\/v2\/media\/1436"}],"wp:attachment":[{"href":"https:\/\/blog.espresso.earth\/index.php\/wp-json\/wp\/v2\/media?parent=1156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.espresso.earth\/index.php\/wp-json\/wp\/v2\/categories?post=1156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.espresso.earth\/index.php\/wp-json\/wp\/v2\/tags?post=1156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}