{"id":9279,"date":"2025-10-29T10:20:16","date_gmt":"2025-10-29T01:20:16","guid":{"rendered":"https:\/\/fastcoding.jp\/blog\/?p=9279"},"modified":"2025-10-29T10:20:26","modified_gmt":"2025-10-29T01:20:26","slug":"css%e3%81%a0%e3%81%91%e3%81%a7%e4%bd%9c%e3%82%8b%e6%b2%a1%e5%85%a5%e5%9e%8b%e6%bc%94%e5%87%ba","status":"publish","type":"post","link":"https:\/\/fastcoding.jp\/blog\/all\/webdesign\/css%e3%81%a0%e3%81%91%e3%81%a7%e4%bd%9c%e3%82%8b%e6%b2%a1%e5%85%a5%e5%9e%8b%e6%bc%94%e5%87%ba\/","title":{"rendered":"\u52d5\u753b\u3088\u308a\u8efd\u3044\uff01CSS\u3060\u3051\u3067\u4f5c\u308b\u6ca1\u5165\u578b\u6f14\u51fa"},"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\uff01<\/p>\n\n\n\n<p>\u6700\u8fd1\u3001\u5b50\u3069\u3082\u305f\u3061\u3068\u4e00\u7dd2\u306bYouTube\u3092\u898b\u3066\u3044\u3066\u6c17\u3065\u3044\u305f\u3093\u3067\u3059\u304c\u3001\u52d5\u753b\u306e\u8aad\u307f\u8fbc\u307f\u304c\u9045\u3044\u3068\u9014\u7aef\u306b\u8208\u5473\u3092\u5931\u3046\u3093\u3067\u3059\u3088\u306d\u3002\u307b\u3093\u306e\uff12\u79d2\u5f85\u3064\u3050\u3089\u3044\u3067\u3082\u3001\u3082\u3046\u8ae6\u3081\u3066\u30d5\u30ea\u30c3\u30af\u3057\u3066\u3044\u308b\uff08\u30b7\u30e7\u30fc\u30c8\u52d5\u753b\u3067\u3059\uff09\u3093\u3067\u3059\u3002\u5b50\u4f9b\u306f\u6b63\u76f4\u3067\u3001\u3042\u308b\u610f\u5473\u6975\u7aef\u3060\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u79c1\u305f\u3061\u5927\u4eba\u3082\u540c\u3058\u3067\u3001Web\u30b5\u30a4\u30c8\u3067\u30ab\u30c3\u30b3\u3044\u3044\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u3042\u3063\u3066\u3082\u3001\u91cd\u304f\u3066\u8868\u793a\u304c\u9045\u3044\u3068\u3059\u3050\u306b\u30da\u30fc\u30b8\u3092\u9589\u3058\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u969b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u300c\u30a4\u30f3\u30d1\u30af\u30c8\u306e\u3042\u308b\u6f14\u51fa\u304c\u6b32\u3057\u3044\u300d\u3068\u8a00\u308f\u308c\u3066\u3001\u3064\u3044\u52d5\u753b\u80cc\u666f\u3092\u63d0\u6848\u3057\u305f\u304f\u306a\u308b\u6c17\u6301\u3061\u306f\u3088\u304f\u308f\u304b\u308a\u307e\u3059\u3002\u3067\u3082\u3001\u52d5\u753b\u30d5\u30a1\u30a4\u30eb\u306f\u89e3\u50cf\u5ea6\u3092\u76f8\u5f53\u3046\u307e\u304f\u3057\u306a\u3044\u3068\u8868\u793a\u304c\u91cd\u304f\u306a\u308a\u304c\u3061\u3067\u3059\u3057\u3001\u30e2\u30d0\u30a4\u30eb\u74b0\u5883\u3067\u306f\u81ea\u52d5\u518d\u751f\u306e\u5236\u9650\u3082\u3042\u3063\u3066\u601d\u3044\u901a\u308a\u306b\u52d5\u304b\u306a\u3044\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\u4eca\u56de\u306f\u3001CSS\u3060\u3051\u3067\u6ca1\u5165\u611f\u3092\u6f14\u51fa\u3059\u308b\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u8efd\u91cf\u3067\u3042\u308a\u306a\u304c\u3089\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u5f15\u304d\u8fbc\u3080\u8868\u73fe\u306f\u5341\u5206\u306b\u4f5c\u308c\u307e\u3059\u3002\u5b9f\u969b\u306b\u6848\u4ef6\u3067\u4f7f\u3063\u305f\u624b\u6cd5\u3082\u542b\u3081\u3066\u89e3\u8aac\u3057\u307e\u3059\u306e\u3067\u3001\u6b21\u306e\u63d0\u6848\u306b\u6d3b\u304b\u3057\u3066\u3082\u3089\u3048\u308c\u3070\u5b09\u3057\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CSS\u3067\u5b9f\u73fe\u3059\u308b\u6ca1\u5165\u578b\u6f14\u51fa\u306e3\u3064\u306e\u624b\u6cd5<\/h2>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u306f\u3001\u5b9f\u969b\u306b\u6848\u4ef6\u3067\u4f7f\u3063\u305fCSS\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u624b\u6cd5\u30923\u3064\u7d39\u4ecb\u3057\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u30b3\u30fc\u30c9\u4f8b\u3082\u8f09\u305b\u307e\u3059\u306e\u3067\u3001\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u30d1\u30e9\u30e9\u30c3\u30af\u30b9\u52b9\u679c\u3067\u5965\u884c\u304d\u3092\u6f14\u51fa<\/h3>\n\n\n\n<p>\u30d1\u30e9\u30e9\u30c3\u30af\u30b9\u306f\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u306b\u5fdc\u3058\u3066\u80cc\u666f\u3068\u524d\u666f\u304c\u7570\u306a\u308b\u901f\u5ea6\u3067\u52d5\u304f\u8868\u73fe\u3067\u3059\u3002\u5965\u884c\u304d\u611f\u304c\u751f\u307e\u308c\u308b\u305f\u3081\u3001\u6ca1\u5165\u611f\u3092\u9ad8\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u88c5\u306b\u306f<code>transform: translateZ()<\/code>\u3092\u4f7f\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u57fa\u672c\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3067\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: xml; title: ; notranslate\" title=\"\">\n&lt;div class=&quot;parallax-container&quot;&gt;\n  &lt;div class=&quot;parallax-layer layer-back&quot;&gt;\n    &lt;div class=&quot;content-back&quot;&gt;&lt;\/div&gt;\n  &lt;\/div&gt;\n  &lt;div class=&quot;parallax-layer layer-base&quot;&gt;\n    &lt;div class=&quot;content-front&quot;&gt;\n      &lt;h1&gt;Welcome&lt;\/h1&gt;\n    &lt;\/div&gt;\n  &lt;\/div&gt;\n&lt;\/div&gt;\n<\/pre><\/div>\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: css; title: ; notranslate\" title=\"\">\n.parallax-container {\n  height: 100vh;\n  overflow-x: hidden;\n  overflow-y: auto;\n  perspective: 1px;\n}\n\n.parallax-layer {\n  position: absolute;\n  top: 0;\n  left: 0;\n  right: 0;\n  bottom: 0;\n}\n\n.layer-back {\n  transform: translateZ(-1px) scale(2);\n}\n\n.layer-back .content-back {\n  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);\n  height: 100%;\n}\n\n.layer-base {\n  transform: translateZ(0);\n}\n\n.content-front {\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  height: 100vh;\n}\n\n.content-front h1 {\n  font-size: 4rem;\n  color: white;\n  text-shadow: 2px 2px 8px rgba(0,0,0,0.3);\n}\n<\/pre><\/div>\n\n\n<div class=\"wp-block-cp-codepen-gutenberg-embed-block cp_embed_wrapper\"><iframe id=\"cp_embed_pvgZWBz\" src=\"\/\/codepen.io\/anon\/embed\/pvgZWBz?height=450&amp;theme-id=1&amp;slug-hash=pvgZWBz&amp;default-tab=result\" height=\"450\" scrolling=\"no\" frameborder=\"0\" allowfullscreen allowpaymentrequest name=\"CodePen Embed pvgZWBz\" title=\"CodePen Embed pvgZWBz\" class=\"cp_embed_iframe\" style=\"width:100%;overflow:hidden\">CodePen Embed Fallback<\/iframe><\/div>\n\n\n\n<p class=\"has-medium-font-size\">\uff0a\u3061\u3087\u3063\u3068\u308f\u304b\u308a\u306b\u304f\u3044\u3093\u3067\u3059\u304c\u3001\u3001\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>perspective<\/code>\u3068<code>translateZ<\/code>\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u80cc\u666f\u3068\u524d\u666f\u306e\u52d5\u304f\u901f\u5ea6\u3092\u5909\u3048\u3066\u3044\u307e\u3059\u3002\u30b9\u30af\u30ed\u30fc\u30eb\u3059\u308b\u3060\u3051\u3067\u7acb\u4f53\u611f\u304c\u751f\u307e\u308c\u3001\u52d5\u753b\u3092\u4f7f\u308f\u306a\u304f\u3066\u3082\u6ca1\u5165\u611f\u3092\u6f14\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u969b\u306b\u306f\u3082\u3046\u5c11\u3057\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u304c\u3001\u304a\u5ba2\u69d8\u306e\u63a1\u7528\u30b5\u30a4\u30c8\u306e\u30c8\u30c3\u30d7\u30da\u30fc\u30b8\u306b\u63a1\u7528\u3057\u305f\u3068\u3053\u308d\u3001\u30da\u30fc\u30b8\u30b5\u30a4\u30ba\u306f\u52d5\u753b\u7248\u3068\u6bd4\u3079\u3066\u7d0480%\u524a\u6e1b\u3067\u304d\u3001\u8868\u793a\u901f\u5ea6\u3082\u5927\u5e45\u306b\u6539\u5584\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067\u52d5\u7684\u306a\u5370\u8c61\u3092<\/h3>\n\n\n\n<p>\u9759\u7684\u306a\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u3001\u8272\u304c\u52d5\u304f\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u3068\u3001\u52d5\u753b\u306e\u3088\u3046\u306a\u52d5\u304d\u3092\u518d\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: xml; title: ; notranslate\" title=\"\">\n&lt;div class=&quot;animated-gradient&quot;&gt;\n  &lt;div class=&quot;content&quot;&gt;\n    &lt;h2&gt;CSS\u3067\u52d5\u304f\u80cc\u666f&lt;\/h2&gt;\n    &lt;p&gt;\u8efd\u91cf\u3067\u30b9\u30e0\u30fc\u30ba\u306a\u6f14\u51fa&lt;\/p&gt;\n  &lt;\/div&gt;\n&lt;\/div&gt;\n<\/pre><\/div>\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: css; title: ; notranslate\" title=\"\">\n.animated-gradient {\n  position: relative;\n  min-height: 100vh;\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  background: linear-gradient(\n    45deg,\n    #ff6b6b,\n    #4ecdc4,\n    #45b7d1,\n    #f7b731,\n    #ff6b6b\n  );\n  background-size: 400% 400%;\n  animation: gradientShift 15s ease infinite;\n}\n\n@keyframes gradientShift {\n  0% {\n    background-position: 0% 50%;\n  }\n  50% {\n    background-position: 100% 50%;\n  }\n  100% {\n    background-position: 0% 50%;\n  }\n}\n\n.content {\n  text-align: center;\n  color: white;\n  z-index: 1;\n}\n\n.content h2 {\n  font-size: 3rem;\n  margin-bottom: 1rem;\n  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);\n}\n\n.content p {\n  font-size: 1.2rem;\n}\n<\/pre><\/div>\n\n\n<div class=\"wp-block-cp-codepen-gutenberg-embed-block cp_embed_wrapper\"><iframe id=\"cp_embed_ByjPwgv\" src=\"\/\/codepen.io\/anon\/embed\/ByjPwgv?height=450&amp;theme-id=1&amp;slug-hash=ByjPwgv&amp;default-tab=result\" height=\"450\" scrolling=\"no\" frameborder=\"0\" allowfullscreen allowpaymentrequest name=\"CodePen Embed ByjPwgv\" title=\"CodePen Embed ByjPwgv\" class=\"cp_embed_iframe\" style=\"width:100%;overflow:hidden\">CodePen Embed Fallback<\/iframe><\/div>\n\n\n\n<p>\u3053\u306e\u624b\u6cd5\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3001<code>background-size<\/code>\u3092\u5927\u304d\u304f\u8a2d\u5b9a\u3057\u3001<code>animation<\/code>\u3067\u4f4d\u7f6e\u3092\u5909\u3048\u308b\u3053\u3068\u3067\u3059\u3002\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u304c\u6ed1\u3089\u304b\u306b\u52d5\u304f\u305f\u3081\u3001\u9759\u6b62\u753b\u3067\u306f\u51fa\u305b\u306a\u3044\u8e8d\u52d5\u611f\u304c\u751f\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3042\u308b\u7f8e\u5bb9\u7cfb\u30b5\u30fc\u30d3\u30b9\u306eLP\u3067\u4f7f\u3063\u305f\u3068\u3053\u308d\u3001\u304a\u5ba2\u69d8\u304b\u3089\u300c\u52d5\u753b\u307f\u305f\u3044\u306b\u898b\u3048\u308b\u306e\u306b\u8efd\u3044\u300d\u3068\u597d\u8a55\u3067\u3057\u305f\u3002\u7279\u306b\u30b9\u30de\u30db\u3067\u306e\u8868\u793a\u304c\u5b89\u5b9a\u3057\u3066\u3044\u305f\u306e\u3082\u826f\u304b\u3063\u305f\u3093\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u30b9\u30de\u30db\u3067\u52d5\u753b\u3092\u8aad\u307f\u8fbc\u3080\u3068\u304d\u306f\u82e5\u5e72\u30ab\u30af\u30ab\u30af\u3057\u307e\u3059\u304b\u3089\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. CSS\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u30d6\u30ec\u30f3\u30c9\u30e2\u30fc\u30c9\u3067\u5965\u884c\u304d\u3092\u4f5c\u308b<\/h3>\n\n\n\n<p><code>backdrop-filter<\/code>\u3084<code>mix-blend-mode<\/code>\u3092\u4f7f\u3046\u3068\u3001\u91cd\u306a\u308a\u5408\u3046\u8981\u7d20\u306b\u900f\u904e\u52b9\u679c\u3084\u5408\u6210\u52b9\u679c\u3092\u52a0\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ec\u30a4\u30e4\u30fc\u304c\u91cd\u306a\u3063\u305f\u5965\u884c\u304d\u306e\u3042\u308b\u8868\u73fe\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: xml; title: ; notranslate\" title=\"\">\n&lt;div class=&quot;blend-container&quot;&gt;\n  &lt;div class=&quot;background-shape shape-1&quot;&gt;&lt;\/div&gt;\n  &lt;div class=&quot;background-shape shape-2&quot;&gt;&lt;\/div&gt;\n  &lt;div class=&quot;background-shape shape-3&quot;&gt;&lt;\/div&gt;\n  &lt;div class=&quot;glass-panel&quot;&gt;\n    &lt;h2&gt;\u5965\u884c\u304d\u306e\u3042\u308b\u6f14\u51fa&lt;\/h2&gt;\n    &lt;p&gt;CSS\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u5b9f\u73fe&lt;\/p&gt;\n  &lt;\/div&gt;\n&lt;\/div&gt;\n<\/pre><\/div>\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n.blend-container {\n  position: relative;\n  min-height: 100vh;\n  background: #1a1a2e;\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  overflow: hidden;\n}\n\n.background-shape {\n  position: absolute;\n  border-radius: 50%;\n  filter: blur(60px);\n  animation: float 20s ease-in-out infinite;\n}\n\n.shape-1 {\n  width: 400px;\n  height: 400px;\n  background: #ff6b6b;\n  top: -100px;\n  left: -100px;\n  mix-blend-mode: screen;\n  animation-delay: 0s;\n}\n\n.shape-2 {\n  width: 500px;\n  height: 500px;\n  background: #4ecdc4;\n  bottom: -150px;\n  right: -150px;\n  mix-blend-mode: screen;\n  animation-delay: 5s;\n}\n\n.shape-3 {\n  width: 350px;\n  height: 350px;\n  background: #f7b731;\n  top: 50%;\n  left: 50%;\n  transform: translate(-50%, -50%);\n  mix-blend-mode: screen;\n  animation-delay: 10s;\n}\n\n@keyframes float {\n  0%, 100% {\n    transform: translate(0, 0);\n  }\n  33% {\n    transform: translate(50px, -50px);\n  }\n  66% {\n    transform: translate(-50px, 50px);\n  }\n}\n\n.glass-panel {\n  position: relative;\n  padding: 3rem;\n  backdrop-filter: blur(10px);\n  background: rgba(255, 255, 255, 0.1);\n  border-radius: 20px;\n  border: 1px solid rgba(255, 255, 255, 0.2);\n  color: white;\n  text-align: center;\n  z-index: 10;\n}\n\n.glass-panel h2 {\n  font-size: 2.5rem;\n  margin-bottom: 1rem;\n}\n\n.glass-panel p {\n  font-size: 1.1rem;\n}\n<\/pre><\/div>\n\n\n<div class=\"wp-block-cp-codepen-gutenberg-embed-block cp_embed_wrapper\"><iframe id=\"cp_embed_MYKBOYa\" src=\"\/\/codepen.io\/anon\/embed\/MYKBOYa?height=450&amp;theme-id=1&amp;slug-hash=MYKBOYa&amp;default-tab=result\" height=\"450\" scrolling=\"no\" 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