{"id":9579,"date":"2026-03-17T11:48:14","date_gmt":"2026-03-17T02:48:14","guid":{"rendered":"https:\/\/fastcoding.jp\/blog\/?p=9579"},"modified":"2026-03-17T11:48:21","modified_gmt":"2026-03-17T02:48:21","slug":"css-glassmorphism-brand-site","status":"publish","type":"post","link":"https:\/\/fastcoding.jp\/blog\/all\/html-css\/css-glassmorphism-brand-site\/","title":{"rendered":"\u30d6\u30e9\u30f3\u30c9\u30b5\u30a4\u30c8\u3067\u5dee\u3092\u3064\u3051\u308b\uff01CSS\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af"},"content":{"rendered":"<div class=\"the_content\">\n<p>\u304a\u306f\u3088\u3046\u3054\u3056\u3044\u307e\u3059\uff01\u682a\u5f0f\u4f1a\u793e\u30d5\u30a1\u30b9\u30c8\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u50cd\u304f\u304a\u304b\u3093\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6700\u8fd1\u3001\u4e0a\u306e\u5b50\u304ciPad\u3067\u5929\u6c17\u30a2\u30d7\u30ea\u3092\u898b\u3066\u3044\u305f\u3093\u3067\u3059\u3088\u306d\u3002\u753b\u9762\u3092\u306e\u305e\u304d\u8fbc\u3093\u3060\u3089\u3001\u80cc\u666f\u306e\u7a7a\u306e\u5199\u771f\u306e\u4e0a\u306b\u3059\u308a\u30ac\u30e9\u30b9\u307f\u305f\u3044\u306a\u30ab\u30fc\u30c9\u304c\u3075\u308f\u3063\u3068\u6d6e\u304b\u3093\u3067\u3044\u3066\u3001\u306a\u3093\u3060\u304b\u3059\u3054\u304f\u304a\u3057\u3083\u308c\u3060\u3063\u305f\u3093\u3067\u3059\u3002\u300c\u304d\u308c\u3044\u3060\u306d\u301c\u300d\u306a\u3093\u3066\u5b50\u3069\u3082\u3068\u4e00\u7dd2\u306b\u898b\u3066\u3044\u305f\u3093\u3067\u3059\u304c\u3001\u3075\u3068\u300c\u3053\u308c\u3001Web\u30b5\u30a4\u30c8\u3067\u3082\u3084\u308a\u305f\u3044\u306a\u300d\u3063\u3066\u601d\u3063\u305f\u3093\u3067\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u300c\u3059\u308a\u30ac\u30e9\u30b9\u3063\u307d\u3044\u534a\u900f\u660e\u306e\u6f14\u51fa\u300d\u3001\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\uff08Glassmorphism\uff09\u3063\u3066\u3044\u3046\u30c7\u30b6\u30a4\u30f3\u624b\u6cd5\u306a\u3093\u3067\u3059\u3002Apple\u306eiOS\u3084macOS\u3001Microsoft\u306eFluent Design\u3067\u3082\u4f7f\u308f\u308c\u3066\u3044\u3066\u3001\u6700\u8fd1\u306fWeb\u30b5\u30a4\u30c8\u3067\u3082\u3088\u304f\u898b\u304b\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u5c11\u3057\u524d\u306b\u3001\u30d6\u30e9\u30f3\u30c9\u30b5\u30a4\u30c8\u306e\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u6848\u4ef6\u3067\u3053\u306e\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u63d0\u6848\u3057\u305f\u3068\u3053\u308d\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u300c\u9ad8\u7d1a\u611f\u304c\u3042\u3063\u3066\u3044\u3044\u3067\u3059\u306d\u300d\u3068\u597d\u8a55\u3067\u3057\u305f\u3002\u4eca\u56de\u306f\u305d\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u30e1\u30ea\u30c3\u30c8<\/h2>\n\n\n\n<p>\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u7279\u5fb4\u306f\u3001\u80cc\u666f\u304c\u3046\u3063\u3059\u3089\u900f\u3051\u3066\u898b\u3048\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306b\u306f3\u3064\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5965\u884c\u304d\u304c\u51fa\u308b<\/strong> \u2500 \u8981\u7d20\u304c\u300c\u6d6e\u3044\u3066\u3044\u308b\u300d\u3088\u3046\u306b\u898b\u3048\u3066\u3001\u753b\u9762\u306b\u7acb\u4f53\u611f\u304c\u751f\u307e\u308c\u307e\u3059<\/li>\n<li><strong>\u9ad8\u7d1a\u611f\u304c\u51fa\u308b<\/strong> \u2500 \u3059\u308a\u30ac\u30e9\u30b9\u306e\u8cea\u611f\u306f\u3001\u30ea\u30a2\u30eb\u306a\u4e16\u754c\u3067\u3082\u300c\u4e0a\u54c1\u300d\u306a\u30a4\u30e1\u30fc\u30b8\u304c\u3042\u308a\u307e\u3059<\/li>\n<li><strong>\u80cc\u666f\u3092\u6d3b\u304b\u305b\u308b<\/strong> \u2500 \u5199\u771f\u3084\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u4e0a\u306b\u8f09\u305b\u3066\u3082\u3001\u80cc\u666f\u306e\u96f0\u56f2\u6c17\u304c\u4f1d\u308f\u308a\u307e\u3059<\/li>\n<\/ul>\n\n\n\n<p>\u7279\u306b\u30d6\u30e9\u30f3\u30c9\u30b5\u30a4\u30c8\u3084\u30b3\u30fc\u30dd\u30ec\u30fc\u30c8\u30b5\u30a4\u30c8\u3067\u4f7f\u3046\u3068\u3001\u300c\u3061\u3083\u3093\u3068\u30c7\u30b6\u30a4\u30f3\u306b\u304a\u91d1\u3092\u304b\u3051\u3066\u3044\u308b\u611f\u300d\u304c\u51fa\u308b\u3093\u3067\u3059\u3088\u306d\u3002\u30c7\u30a3\u30ec\u30af\u30bf\u30fc\u3055\u3093\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u63d0\u6848\u3059\u308b\u3068\u304d\u306b\u3082\u3001\u30d3\u30b8\u30e5\u30a2\u30eb\u306e\u30a4\u30f3\u30d1\u30af\u30c8\u304c\u3042\u308b\u306e\u3067\u8aac\u660e\u3057\u3084\u3059\u3044\u304b\u306a\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u57fa\u672c\u306eCSS \u2500 backdrop-filter\u3092\u4f7f\u3046<\/h2>\n\n\n\n<p>\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u6838\u306b\u306a\u308b\u306e\u306f\u3001CSS\u306e<code>backdrop-filter<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002\u3053\u308c\u306f\u300c\u8981\u7d20\u306e\u80cc\u666f\u306b\u3042\u308b\u3082\u306e\u300d\u306b\u307c\u304b\u3057\u3084\u8272\u8abf\u6574\u3092\u304b\u3051\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305a\u30b7\u30f3\u30d7\u30eb\u306a\u4f8b\u304b\u3089\u898b\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* \u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u57fa\u672c *\/\n.glass-card {\n  background: rgba(255, 255, 255, 0.15);\n  backdrop-filter: blur(12px);\n  -webkit-backdrop-filter: blur(12px);\n  border: 1px solid rgba(255, 255, 255, 0.3);\n  border-radius: 16px;\n  padding: 32px;\n  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);\n}<\/code><\/pre>\n\n\n\n<p>\u3053\u308c\u3060\u3051\u3067\u3001\u3059\u308a\u30ac\u30e9\u30b9\u3063\u307d\u3044\u30ab\u30fc\u30c9\u304c\u4f5c\u308c\u307e\u3059\u3002\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>background: rgba(255, 255, 255, 0.15)<\/code> \u2500 \u767d\u306e\u534a\u900f\u660e\u80cc\u666f\u3002\u900f\u660e\u5ea6\u306f0.1\u301c0.25\u304f\u3089\u3044\u304c\u9069\u5207\u3067\u3059<\/li>\n<li><code>backdrop-filter: blur(12px)<\/code> \u2500 \u80cc\u666f\u3092\u307c\u304b\u3059\u3002\u3053\u308c\u304c\u300c\u3059\u308a\u30ac\u30e9\u30b9\u611f\u300d\u306e\u6b63\u4f53\u3067\u3059<\/li>\n<li><code>border: 1px solid rgba(255, 255, 255, 0.3)<\/code> \u2500 \u3046\u3063\u3059\u3089\u767d\u3044\u67a0\u7dda\u3067\u3001\u30ab\u30fc\u30c9\u306e\u5883\u754c\u3092\u306f\u3063\u304d\u308a\u3055\u305b\u307e\u3059<\/li>\n<li><code>box-shadow<\/code> \u2500 \u3075\u3093\u308f\u308a\u3057\u305f\u5f71\u3067\u6d6e\u904a\u611f\u3092\u30d7\u30e9\u30b9<\/li>\n<\/ul>\n\n\n\n<p><code>-webkit-backdrop-filter<\/code>\u306fSafari\u7528\u306e\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3067\u3059\u3002\u3053\u308c\u3092\u5fd8\u308c\u308b\u3068iPhone\u3067\u52b9\u304b\u306a\u3044\u306e\u3067\u3001\u5fc5\u305a\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u8df5\u4f8b\u2460 \u2500 \u30d2\u30fc\u30ed\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u30ab\u30fc\u30c9<\/h2>\n\n\n\n<p>\u30d6\u30e9\u30f3\u30c9\u30b5\u30a4\u30c8\u3067\u4e00\u756a\u4f7f\u3044\u3084\u3059\u3044\u306e\u306f\u3001\u30d2\u30fc\u30ed\u30fc\u753b\u50cf\u306e\u4e0a\u306b\u30ac\u30e9\u30b9\u30ab\u30fc\u30c9\u3092\u8f09\u305b\u308b\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;!-- HTML --&gt;\n&lt;section class=\"hero\"&gt;\n  &lt;div class=\"hero-content glass-card\"&gt;\n    &lt;h1&gt;Beauty in Every Detail&lt;\/h1&gt;\n    &lt;p&gt;\u79c1\u305f\u3061\u306f\u3001\u7d30\u90e8\u306b\u307e\u3067\u3053\u3060\u308f\u3063\u305f\n    \u30c7\u30b6\u30a4\u30f3\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002&lt;\/p&gt;\n    &lt;a href=\"\/contact\" class=\"cta-button\"&gt;\n      \u304a\u554f\u3044\u5408\u308f\u305b\n    &lt;\/a&gt;\n  &lt;\/div&gt;\n&lt;\/section&gt;<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* CSS *\/\n.hero {\n  position: relative;\n  min-height: 80vh;\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  background: url('\/images\/hero-bg.jpg') center \/ cover;\n}\n\n.hero-content {\n  max-width: 560px;\n  text-align: center;\n  color: #fff;\n}\n\n.hero-content h1 {\n  font-size: 2rem;\n  margin-bottom: 16px;\n  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);\n}\n\n.hero-content p {\n  margin-bottom: 24px;\n  line-height: 1.8;\n}\n\n.cta-button {\n  display: inline-block;\n  padding: 12px 32px;\n  background: rgba(255, 255, 255, 0.25);\n  backdrop-filter: blur(8px);\n  -webkit-backdrop-filter: blur(8px);\n  border: 1px solid rgba(255, 255, 255, 0.4);\n  border-radius: 50px;\n  color: #fff;\n  text-decoration: none;\n  transition: background 0.3s ease;\n}\n\n.cta-button:hover {\n  background: rgba(255, 255, 255, 0.4);\n}<\/code><\/pre>\n\n\n\n<p>\u80cc\u666f\u5199\u771f\u304c\u3046\u3063\u3059\u3089\u900f\u3051\u3066\u898b\u3048\u308b\u306e\u3067\u3001\u5199\u771f\u306e\u96f0\u56f2\u6c17\u3092\u6d3b\u304b\u3057\u3064\u3064\u3001\u30c6\u30ad\u30b9\u30c8\u3082\u3061\u3083\u3093\u3068\u8aad\u3081\u307e\u3059\u3002CTA\u30dc\u30bf\u30f3\u306b\u3082\u30ac\u30e9\u30b9\u52b9\u679c\u3092\u304b\u3051\u308b\u3068\u7d71\u4e00\u611f\u304c\u51fa\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u8df5\u4f8b\u2461 \u2500 \u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30d0\u30fc<\/h2>\n\n\n\n<p>\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u305f\u3068\u304d\u306b\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u304c\u30ac\u30e9\u30b9\u3063\u307d\u304f\u306a\u308b\u6f14\u51fa\u3082\u3001\u6700\u8fd1\u3088\u304f\u898b\u304b\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u3082<code>backdrop-filter<\/code>\u3067\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>.navbar {\n  position: fixed;\n  top: 0;\n  left: 0;\n  width: 100%;\n  padding: 16px 24px;\n  z-index: 100;\n  transition: background 0.3s ease;\n}\n\n\/* \u30b9\u30af\u30ed\u30fc\u30eb\u5f8c\u306b\u30ac\u30e9\u30b9\u52b9\u679c\u3092\u4ed8\u3051\u308b *\/\n.navbar.scrolled {\n  background: rgba(255, 255, 255, 0.7);\n  backdrop-filter: blur(20px);\n  -webkit-backdrop-filter: blur(20px);\n  border-bottom: 1px solid rgba(255, 255, 255, 0.3);\n  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);\n}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u30b9\u30af\u30ed\u30fc\u30eb\u3067\u30af\u30e9\u30b9\u3092\u5207\u308a\u66ff\u3048\nwindow.addEventListener('scroll', function() {\n  var navbar = document.querySelector('.navbar');\n  if (window.scrollY > 50) {\n    navbar.classList.add('scrolled');\n  } else {\n    navbar.classList.remove('scrolled');\n  }\n});<\/code><\/pre>\n\n\n\n<p>\u30b9\u30af\u30ed\u30fc\u30eb\u3059\u308b\u3068\u3001\u900f\u660e\u3060\u3063\u305f\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u304c\u3075\u308f\u3063\u3068\u30ac\u30e9\u30b9\u3063\u307d\u304f\u306a\u308a\u307e\u3059\u3002\u30da\u30fc\u30b8\u306e\u4e2d\u8eab\u304c\u900f\u3051\u3066\u898b\u3048\u308b\u306e\u3067\u3001\u300c\u56fa\u5b9a\u30d8\u30c3\u30c0\u30fc\u304c\u753b\u9762\u3092\u5727\u8feb\u3059\u308b\u300d\u3068\u3044\u3046\u554f\u984c\u3082\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u8df5\u4f8b\u2462 \u2500 \u30ab\u30fc\u30c9\u30b0\u30ea\u30c3\u30c9<\/h2>\n\n\n\n<p>\u30b5\u30fc\u30d3\u30b9\u7d39\u4ecb\u3084\u7279\u5fb4\u3092\u4e26\u3079\u308b\u30ab\u30fc\u30c9\u306b\u3082\u4f7f\u3048\u307e\u3059\u3002\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u80cc\u666f\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u304d\u308c\u3044\u306a\u3093\u3067\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;section class=\"features\"&gt;\n  &lt;div class=\"feature-grid\"&gt;\n    &lt;div class=\"feature-card glass-card\"&gt;\n      &lt;h3&gt;\u30c7\u30b6\u30a4\u30f3&lt;\/h3&gt;\n      &lt;p&gt;\u30d6\u30e9\u30f3\u30c9\u306e\u4e16\u754c\u89b3\u3092\u5927\u5207\u306b\u3057\u305f\n      \u30c7\u30b6\u30a4\u30f3\u3092\u4f5c\u308a\u307e\u3059\u3002&lt;\/p&gt;\n    &lt;\/div&gt;\n    &lt;div class=\"feature-card glass-card\"&gt;\n      &lt;h3&gt;\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0&lt;\/h3&gt;\n      &lt;p&gt;\u9ad8\u54c1\u8cea\u306a\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u5b9f\u88c5\u3092\n      \u304a\u5c4a\u3051\u3057\u307e\u3059\u3002&lt;\/p&gt;\n    &lt;\/div&gt;\n    &lt;div class=\"feature-card glass-card\"&gt;\n      &lt;h3&gt;\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9&lt;\/h3&gt;\n      &lt;p&gt;\u8868\u793a\u901f\u5ea6\u306b\u3053\u3060\u308f\u3063\u305f\n      \u8efd\u91cf\u306a\u30b5\u30a4\u30c8\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002&lt;\/p&gt;\n    &lt;\/div&gt;\n  &lt;\/div&gt;\n&lt;\/section&gt;<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>.features {\n  padding: 80px 24px;\n  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);\n}\n\n.feature-grid {\n  display: grid;\n  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\n  gap: 24px;\n  max-width: 960px;\n  margin: 0 auto;\n}\n\n.feature-card {\n  text-align: center;\n  color: #fff;\n}\n\n.feature-card h3 {\n  font-size: 1.25rem;\n  margin-bottom: 12px;\n}\n\n.feature-card:hover {\n  background: rgba(255, 255, 255, 0.25);\n  transform: translateY(-4px);\n  transition: all 0.3s ease;\n}<\/code><\/pre>\n\n\n\n<p>\u7d2b\u301c\u9752\u306e\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u80cc\u666f\u306b\u3001\u767d\u3044\u534a\u900f\u660e\u306e\u30ab\u30fc\u30c9\u304c\u4e26\u3076\u3068\u3001\u4e00\u6c17\u306b\u300c\u4eca\u3063\u307d\u3044\u300d\u30c7\u30b6\u30a4\u30f3\u306b\u306a\u308a\u307e\u3059\u3002\u30db\u30d0\u30fc\u3067\u5c11\u3057\u6d6e\u304d\u4e0a\u304c\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u4ed8\u3051\u308b\u3068\u3001\u64cd\u4f5c\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306b\u3082\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u306b\u3082\u5bfe\u5fdc\u3055\u305b\u308b<\/h2>\n\n\n\n<p>\u591c\u3001\u5b50\u3069\u3082\u304c\u5bdd\u305f\u5f8c\u306b\u30b9\u30de\u30db\u3067\u30b5\u30a4\u30c8\u3092\u898b\u308b\u3053\u3068\u3063\u3066\u591a\u3044\u3067\u3059\u3088\u306d\u3002\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u306e\u3068\u304d\u306f\u767d\u30d9\u30fc\u30b9\u3060\u3068\u307e\u3076\u3057\u3044\u306e\u3067\u3001\u8272\u3092\u53cd\u8ee2\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* \u30e9\u30a4\u30c8\u30e2\u30fc\u30c9\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09 *\/\n.glass-card {\n  background: rgba(255, 255, 255, 0.15);\n  border: 1px solid rgba(255, 255, 255, 0.3);\n  color: #fff;\n}\n\n\/* \u30c0\u30fc\u30af\u30e2\u30fc\u30c9 *\/\n@media (prefers-color-scheme: dark) {\n  .glass-card {\n    background: rgba(0, 0, 0, 0.3);\n    border: 1px solid rgba(255, 255, 255, 0.1);\n    color: #f0f0f0;\n  }\n}<\/code><\/pre>\n\n\n\n<p>\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u3067\u306f<code>rgba(0, 0, 0, 0.3)<\/code>\u306e\u3088\u3046\u306b\u9ed2\u30d9\u30fc\u30b9\u306e\u534a\u900f\u660e\u306b\u3059\u308b\u3060\u3051\u3067\u3059\u3002\u307c\u304b\u3057\u5177\u5408\u306f\u305d\u306e\u307e\u307e\u3067\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6c17\u3092\u3064\u3051\u305f\u3044\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<p>\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306f\u304a\u3057\u3083\u308c\u306a\u3093\u3067\u3059\u304c\u3001\u3044\u304f\u3064\u304b\u6ce8\u610f\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u30cf\u30de\u3063\u305f\u3068\u3053\u308d\u3082\u542b\u3081\u3066\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c6\u30ad\u30b9\u30c8\u306e\u53ef\u8aad\u6027<\/h3>\n\n\n\n<p>\u80cc\u666f\u304c\u900f\u3051\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u80cc\u666f\u306e\u8272\u3084\u67c4\u306b\u3088\u3063\u3066\u30c6\u30ad\u30b9\u30c8\u304c\u8aad\u307f\u306b\u304f\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u79c1\u3082\u6700\u521d\u306b\u5b9f\u88c5\u3057\u305f\u3068\u304d\u3001\u5199\u771f\u306e\u660e\u308b\u3044\u90e8\u5206\u3067\u767d\u6587\u5b57\u304c\u898b\u3048\u306a\u304f\u306a\u3063\u3066\u56f0\u308a\u307e\u3057\u305f\u3002\u5bfe\u7b56\u306f<code>text-shadow<\/code>\u3092\u5c11\u3057\u304b\u3051\u308b\u304b\u3001\u80cc\u666f\u306e\u900f\u660e\u5ea6\u3092\u8abf\u6574\u3057\u3066\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd44.5:1\u4ee5\u4e0a\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3067\u3059\u3002WCAG\u306e\u57fa\u6e96\u306a\u306e\u3067\u3001\u3053\u3053\u306f\u610f\u8b58\u3057\u3066\u304a\u304d\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">backdrop-filter\u306e\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6<\/h3>\n\n\n\n<p>Can I use\uff08<a href=\"https:\/\/caniuse.com\/css-backdrop-filter\">caniuse.com<\/a>\uff09\u306b\u3088\u308b\u3068\u3001<code>backdrop-filter<\/code>\u306e\u30d6\u30e9\u30a6\u30b6\u5bfe\u5fdc\u7387\u306f\u7d0495%\u4ee5\u4e0a\u3067\u3059\uff082025\u5e74\u6642\u70b9\uff09\u3002Chrome\u3001Safari\u3001Edge\u3001Firefox\u306e\u6700\u65b0\u7248\u306f\u3059\u3079\u3066\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3001\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u5411\u3051\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u7528\u610f\u3057\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* \u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af *\/\n@supports not (backdrop-filter: blur(12px)) {\n  .glass-card {\n    background: rgba(30, 30, 60, 0.85);\n  }\n}<\/code><\/pre>\n\n\n\n<p><code>@supports<\/code>\u3092\u4f7f\u3063\u3066\u3001<code>backdrop-filter<\/code>\u304c\u4f7f\u3048\u306a\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u5c11\u3057\u6fc3\u3044\u80cc\u666f\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u306a\u3089\u900f\u3051\u306a\u304f\u3066\u3082\u3001\u30c7\u30b6\u30a4\u30f3\u304c\u5d29\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u6ce8\u610f<\/h3>\n\n\n\n<p><code>backdrop-filter<\/code>\u306fGPU\u3092\u4f7f\u3046\u306e\u3067\u3001\u8981\u7d20\u304c\u591a\u3059\u304e\u308b\u3068\u30b9\u30de\u30db\u3067\u63cf\u753b\u304c\u91cd\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30ac\u30e9\u30b9\u52b9\u679c\u306f\u300c\u3053\u3053\u305e\u300d\u3068\u3044\u3046\u30dd\u30a4\u30f3\u30c8\u306b\u7d5e\u3063\u3066\u4f7f\u3046\u306e\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002\u30da\u30fc\u30b8\u5168\u4f53\u306b\u30ac\u30e9\u30b9\u30ab\u30fc\u30c9\u304c20\u679a\u3082\u3042\u308b\u3068\u3001\u3055\u3059\u304c\u306b\u30ab\u30af\u3064\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u52b9\u679c<\/h2>\n\n\n\n<p>\u5192\u982d\u3067\u89e6\u308c\u305f\u30d6\u30e9\u30f3\u30c9\u30b5\u30a4\u30c8\u306e\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u3067\u306f\u3001\u30d2\u30fc\u30ed\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u3068\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306b\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u30ea\u30ea\u30fc\u30b9\u5f8c\u306b\u5f97\u3089\u308c\u305f\u6570\u5024\u304c\u3053\u3061\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table>\n<thead>\n<tr><th>\u6307\u6a19<\/th><th>\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u524d<\/th><th>\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u5f8c<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306e\u76f4\u5e30\u7387<\/td><td>52%<\/td><td>39%\uff08-13pt\uff09<\/td><\/tr>\n<tr><td>\u30da\u30fc\u30b8\u5e73\u5747\u6ede\u5728\u6642\u9593<\/td><td>1\u520612\u79d2<\/td><td>1\u520648\u79d2\uff08+36\u79d2\uff09<\/td><\/tr>\n<tr><td>\u304a\u554f\u3044\u5408\u308f\u305b\u30da\u30fc\u30b8\u3078\u306e\u9077\u79fb\u7387<\/td><td>3.1%<\/td><td>4.7%\uff08+1.6pt\uff09<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p>\u3082\u3061\u308d\u3093\u3001\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3060\u3051\u306e\u52b9\u679c\u3067\u306f\u306a\u304f\u3066\u3001\u30b3\u30d4\u30fc\u3084\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u898b\u76f4\u3057\u3082\u540c\u6642\u306b\u3084\u3063\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306f\u300c\u898b\u305f\u76ee\u306e\u7b2c\u4e00\u5370\u8c61\u304c\u30ac\u30e9\u30c3\u3068\u5909\u308f\u3063\u305f\u300d\u300c\u30d6\u30e9\u30f3\u30c9\u306e\u4e16\u754c\u89b3\u304c\u4f1d\u308f\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u300d\u3068\u3044\u3046\u58f0\u3092\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u203b\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306f\u3042\u304f\u307e\u3067\u30d3\u30b8\u30e5\u30a2\u30eb\u306e\u6f14\u51fa\u3067\u3059\u3002\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8cea\u3084\u5c0e\u7dda\u8a2d\u8a08\u304c\u3057\u3063\u304b\u308a\u3057\u3066\u3044\u306a\u3044\u3068\u3001\u3044\u304f\u3089\u898b\u305f\u76ee\u3092\u304a\u3057\u3083\u308c\u306b\u3057\u3066\u3082\u52b9\u679c\u306f\u51fa\u306b\u304f\u3044\u3068\u601d\u3044\u307e\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\u306e\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<code>backdrop-filter: blur()<\/code>\u3068\u534a\u900f\u660e\u306e\u80cc\u666f\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3060\u3051\u3067\u3001\u30b5\u30a4\u30c8\u306e\u5370\u8c61\u304c\u3050\u3063\u3068\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u62bc\u3055\u3048\u3066\u304a\u304d\u305f\u3044\u30dd\u30a4\u30f3\u30c8\u306f\u3053\u306e3\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>backdrop-filter: blur()<\/code>\u3068<code>rgba<\/code>\u306e\u534a\u900f\u660e\u80cc\u666f\u3067\u3001\u3059\u308a\u30ac\u30e9\u30b9\u52b9\u679c\u304c\u4f5c\u308c\u308b<\/li>\n<li>\u30d2\u30fc\u30ed\u30fc\u3001\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3001\u30ab\u30fc\u30c9\u30b0\u30ea\u30c3\u30c9\u306a\u3069\u3001\u4f7f\u3044\u3069\u3053\u308d\u3092\u7d5e\u308b\u3068\u52b9\u679c\u7684<\/li>\n<li>\u30c6\u30ad\u30b9\u30c8\u306e\u8aad\u307f\u3084\u3059\u3055\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u306f\u6c17\u3092\u3064\u3051\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306e\u76f4\u5e30\u7387\u304c13\u30dd\u30a4\u30f3\u30c8\u6539\u5584\u3057\u307e\u3057\u305f\u3002\u300c\u3061\u3087\u3063\u3068\u304a\u3057\u3083\u308c\u306b\u3057\u305f\u3044\u3051\u3069\u3001\u52d5\u753b\u3092\u5165\u308c\u308b\u307b\u3069\u306e\u4e88\u7b97\u306f\u306a\u3044\u300d\u3068\u3044\u3046\u3068\u304d\u306b\u3001\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306f\u3061\u3087\u3046\u3069\u3044\u3044\u9078\u629e\u80a2\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u682a\u5f0f\u4f1a\u793e\u30d5\u30a1\u30b9\u30c8\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u306f\u3001\u3053\u3046\u3057\u305fCSS\u306e\u6700\u65b0\u624b\u6cd5\u3092\u4f7f\u3063\u305f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u5b9f\u88c5\u3092\u304a\u624b\u4f1d\u3044\u3057\u3066\u3044\u307e\u3059\u3002\u300c\u30d6\u30e9\u30f3\u30c9\u30b5\u30a4\u30c8\u306e\u5370\u8c61\u3092\u5909\u3048\u305f\u3044\u300d\u300c\u63d0\u6848\u306b\u4f7f\u3048\u308b\u30c7\u30b6\u30a4\u30f3\u624b\u6cd5\u3092\u77e5\u308a\u305f\u3044\u300d\u3068\u3044\u3046\u65b9\u306f\u3001\u305c\u3072<a href=\"https:\/\/fastcoding.jp\/contact\/\">\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0<\/a>\u304b\u3089\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>CSS\u306ebackdrop-filter\u3092\u4f7f\u3063\u305f\u30ac\u30e9\u30b9\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u5fb9\u5e95\u89e3\u8aac\u3002\u30d6\u30e9\u30f3\u30c9\u30b5\u30a4\u30c8\u3067\u9ad8\u7d1a\u611f\u3092\u6f14\u51fa\u3059\u308b\u534a\u900f\u660e\u30c7\u30b6\u30a4\u30f3\u306e\u4f5c\u308a\u65b9\u3001\u30d2\u30fc\u30ed\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u30fb\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30ab\u30fc\u30c9\u30b0\u30ea\u30c3\u30c9\u3067\u306e\u5b9f\u88c5\u4f8b\u3001\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u5bfe\u5fdc\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u307e\u3067\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":12,"featured_media":9589,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"enabled":false},"version":2}},"categories":[575],"tags":[33,293,317,732],"class_list":{"0":"post-9579","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-html-css","8":"tag-css","10":"tag-ui-ux","11":"tag-732"},"acf":[],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/fastcoding.jp\/blog\/wp-content\/uploads\/2026\/03\/31820bd3caf9158247e62e852a6bb495.png","jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/posts\/9579","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/comments?post=9579"}],"version-history":[{"count":4,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/posts\/9579\/revisions"}],"predecessor-version":[{"id":9592,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/posts\/9579\/revisions\/9592"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/media\/9589"}],"wp:attachment":[{"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/media?parent=9579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/categories?post=9579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/tags?post=9579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}