{"id":1741,"date":"2025-05-22T01:07:57","date_gmt":"2025-05-22T01:07:57","guid":{"rendered":"https:\/\/satokotadesign.com\/blog\/?p=1741"},"modified":"2025-05-22T01:07:57","modified_gmt":"2025-05-22T01:07:57","slug":"css_supports","status":"publish","type":"post","link":"https:\/\/satokotadesign.com\/blog\/css_supports\/","title":{"rendered":"CSS @supports \u3067\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u3092\u898b\u6975\u3081\uff01\u30b9\u30de\u30fc\u30c8\u306aCSS\u5236\u5fa1\u306e\u65b9\u6cd5\u3068\u306f\uff1f"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\uff01\u9759\u5ca1\u770c\u6d5c\u677e\u5e02\u3067WEB\u30c7\u30b6\u30a4\u30ca\u30fc\u3092\u3057\u3066\u3044\u307e\u3059\u5c0f\u7027\u3067\u3059\u3002<br \/>\n\u6700\u8fd1\u3067\u306fCSS\u3082\u304b\u306a\u308a\u9032\u5316\u3057\u3066\u3001\u300c<span class=\"sc_marker-animation\">\u3048\u3063\u3001JavaScript\u4f7f\u308f\u306a\u304f\u3066\u3082\u3053\u308c\u3067\u304d\u3061\u3083\u3046\u306e\uff1f<\/span>\u300d\u306a\u3093\u3066\u9a5a\u304f\u3053\u3068\u3082\u5897\u3048\u3066\u304d\u307e\u3057\u305f\u3088\u306d\u3002<\/p>\n<p>\u3067\u3082\u3001\u305d\u3093\u306a\u4fbf\u5229\u306a\u65b0\u6a5f\u80fd\u306b\u3082\u3072\u3068\u3064\u5927\u304d\u306a\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u305d\u308c\u306f\u300c\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u304c\u540c\u3058\u3088\u3046\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u300d\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u4eca\u56de\u306e\u30c6\u30fc\u30de\u306f\u3001CSS\u306e\u4e2d\u3067\u4f7f\u3048\u308b\u3061\u3087\u3063\u3068\u4fbf\u5229\u306a\u69cb\u6587<br \/>\n<span class=\"sc_marker-animation\">@supports<\/span> \u3092\u4f7f\u3063\u3066\u3001<br \/>\n\u300c\u3053\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u4f7f\u3048\u308b\u306a\u3089\u3053\u3046\u3057\u3088\u3046\u300d\u300c\u4f7f\u3048\u306a\u3044\u306a\u3089\u4ee3\u308f\u308a\u306b\u3053\u308c\uff01\u300d\u3068\u3044\u3046\u3075\u3046\u306b\u3001\u30b9\u30de\u30fc\u30c8\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u5207\u308a\u66ff\u3048\u308b\u30c6\u30af\u30cb\u30c3\u30af\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<hr class=\"diver-hr style-solid hr-content-text is-align-center\" style=\"color:#ccc;height:1px;background-image:linear-gradient(to right, #ccc, #ccc);\">\n<h3 class=\"sc_heading bborder b blue\"><span class=\"sc_title\">@supports \u3063\u3066\u306a\u306b\uff1f<\/span><\/h3>\n<p><span class=\"sc_marker-animation\">CSS\u306e @supports \u306f\u3001\u6307\u5b9a\u3057\u305f\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u305d\u306e\u74b0\u5883\uff08\u30d6\u30e9\u30a6\u30b6\uff09\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u6761\u4ef6\u6587\u3067\u3059\u3002<\/span><br \/>\n\u3044\u308f\u3070\u3001CSS\u7248\u306e\u300cif\u6587\u300d\u307f\u305f\u3044\u306a\u3082\u306e\u3067\u3059\u306d\u3002<\/p>\n<p>\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n<pre class=\"line-numbers\"><code class=\"language-css\">@supports (display: grid) {\r\n  .container {\r\n    display: grid;\r\n  }\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u300c\u3082\u3057 <span class=\"fontbackground\" style=\"background:;\">display: grid<\/span> \u304c\u4f7f\u3048\u308b\u30d6\u30e9\u30a6\u30b6\u306a\u3089\u3001<span class=\"fontbackground\" style=\"background:;\">.container<\/span> \u306b\u5bfe\u3057\u3066 <span class=\"fontbackground\" style=\"background:;\">grid<\/span> \u3092\u4f7f\u304a\u3046\u306d\u300d\u3068\u3044\u3046\u5185\u5bb9\u3067\u3059\u3002<\/p>\n<p>\u9006\u306b not \u3092\u4f7f\u3063\u3066\u300c\u3053\u306e\u6a5f\u80fd\u304c\u4f7f\u3048\u306a\u3044\u306a\u3089\u2026\u300d\u3068\u3044\u3046\u30cd\u30ac\u30c6\u30a3\u30d6\u6761\u4ef6\u3082\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"line-numbers\"><code class=\"language-css\">@supports not (display: grid) {\r\n  .container {\r\n    display: flex;\r\n  }\r\n}\r\n<\/code><\/pre>\n<h3 class=\"sc_heading bborder b blue\"><span class=\"sc_title\">\u306a\u305c @supports \u3092\u4f7f\u3046\u3079\u304d\u306a\u306e\uff1f<\/span><\/h3>\n<p>\u6700\u8fd1\u306eCSS\u306f\u4fbf\u5229\u306a\u6a5f\u80fd\u304c\u5897\u3048\u305f\u4e00\u65b9\u3001\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u307e\u3060\u672a\u5bfe\u5fdc\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\n\u305d\u3093\u306a\u3068\u304d\u306b @supports \u3092\u6d3b\u7528\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div class=\"sc_designlist ul fa_check blue\">\n<ul>\n<li><span class=\"sc_marker-animation\">\u898b\u305f\u76ee\u304c\u5d29\u308c\u306b\u304f\u3044<\/span>\uff08\u5bfe\u5fdc\u3057\u3066\u306a\u3044\u74b0\u5883\u3067\u3082\u4ee3\u66ff\u30b9\u30bf\u30a4\u30eb\u3067\u8868\u793a\uff09<\/li>\n<li><span class=\"sc_marker-animation\">JavaScript\u306b\u983c\u3089\u305aCSS\u3060\u3051\u3067\u51e6\u7406\u3067\u304d\u308b<\/span><\/li>\n<li><span class=\"sc_marker-animation\">\u5c06\u6765\u306eCSS\u66f4\u65b0\u306b\u3082\u67d4\u8edf\u306b\u5bfe\u5fdc\u3067\u304d\u308b<\/span><\/li>\n<\/ul>\n<\/div>\n<p>\u3064\u307e\u308a\u3001<span class=\"sc_marker-animation\">\u30e2\u30c0\u30f3\u306a\u30c7\u30b6\u30a4\u30f3\u3092\u5b9f\u73fe\u3057\u306a\u304c\u3089\u3001\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u74b0\u5883\u3082\u30b1\u30a2\u3067\u304d\u308b<\/span>\u3002<br \/>\n\u305d\u308c\u304c @supports \u306e\u9b45\u529b\u306a\u3093\u3067\u3059\u3002<\/p>\n<hr class=\"diver-hr style-solid hr-content-text is-align-center\" style=\"color:#ccc;height:1px;background-image:linear-gradient(to right, #ccc, #ccc);\">\n<h3 class=\"sc_heading bborder b blue\"><span class=\"sc_title\">\u5177\u4f53\u4f8b\u3067\u4f7f\u3044\u65b9\u3092\u30a4\u30e1\u30fc\u30b8\u3057\u3088\u3046<\/span><\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u3044\u304f\u3064\u304b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"sc_designlist ol radius solid blue\">\n<ol>\n<li> <span class=\"sc_marker-animation\">clamp() \u304c\u4f7f\u3048\u306a\u3044\u3068\u304d\u306e\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba\u306e\u4ee3\u66ff\u6307\u5b9a<\/span><br \/> \n<pre class=\"line-numbers\"><code class=\"language-css\">@supports (font-size: clamp(1rem, 2vw, 2rem)) {\r\n  h1 {\r\n    font-size: clamp(1rem, 2vw, 2rem);\r\n  }\r\n}\r\n@supports not (font-size: clamp(1rem, 2vw, 2rem)) {\r\n  h1 {\r\n    font-size: 1.5rem;\r\n  }\r\n}\r\n<\/code><\/pre>\n<\/li>\n<li> <span class=\"sc_marker-animation\">backdrop-filter \u3092\u4f7f\u3063\u305f\u30ac\u30e9\u30b9\u98a8\u30a8\u30d5\u30a7\u30af\u30c8\u306e\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af<\/span><br \/> \n<pre class=\"line-numbers\"><code class=\"language-css\">@supports (backdrop-filter: blur(10px)) {\r\n  .overlay {\r\n    backdrop-filter: blur(10px);\r\n    background-color: rgba(255, 255, 255, 0.2);\r\n  }\r\n}\r\n@supports not (backdrop-filter: blur(10px)) {\r\n  .overlay {\r\n    background-color: rgba(255, 255, 255, 0.8);\r\n  }\r\n}\r\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<\/div>\n<p>\u3069\u3061\u3089\u3082\u300c\u30e2\u30c0\u30f3\u306a\u30d6\u30e9\u30a6\u30b6\u306b\u306f\u30ea\u30c3\u30c1\u306a\u898b\u305f\u76ee\u3092\u63d0\u4f9b\u300d\u3057\u306a\u304c\u3089\u3001<br \/>\n\u300c\u672a\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u306b\u306f\u52a3\u5316\u7248\u306e\u30c7\u30b6\u30a4\u30f3\u3092\u63d0\u4f9b\u300d\u3059\u308b\u5f62\u3067\u3059\u3002<\/p>\n<p>\u3053\u3046\u3059\u308c\u3070\u3001\u3069\u306e\u74b0\u5883\u3067\u3082\u5d29\u308c\u306a\u3044\u3001\u5b89\u5fc3\u306e\u8a2d\u8a08\u304c\u3067\u304d\u307e\u3059\u3088\u3002<\/p>\n<h3 class=\"sc_heading bborder b blue\"><span class=\"sc_title\">\u3088\u304f\u3042\u308b\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/span><\/h3>\n<p>@supports \u3092\u4f7f\u3046\u3046\u3048\u3067\u77e5\u3063\u3066\u304a\u304d\u305f\u3044\u30dd\u30a4\u30f3\u30c8\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<div class=\"sc_designlist ul fa_check blue\">\n<ul>\n<li><span class=\"sc_marker-animation\">\u30d7\u30ed\u30d1\u30c6\u30a3\u5358\u4f4d\u3067\u306f\u306a\u304f\u300c\u30d7\u30ed\u30d1\u30c6\u30a3\uff0b\u5024\u300d\u3067\u66f8\u304f<\/span>\uff08\u4f8b\uff1a`(display: grid)`\uff09<\/li>\n<li><span class=\"sc_marker-animation\">\u69cb\u6587\u30df\u30b9\u3059\u308b\u3068\u3001\u6761\u4ef6\u3054\u3068\u7121\u8996\u3055\u308c\u3066\u3057\u307e\u3046<\/span><\/li>\n<li><span class=\"sc_marker-animation\">\u8907\u96d1\u306a\u6761\u4ef6\u306f `(A) and (B)` \u3084 `or` \u3092\u4f7f\u3063\u3066\u5236\u5fa1\u53ef\u80fd<\/span><\/li>\n<\/ul>\n<\/div>\n<p>\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8907\u6570\u6761\u4ef6\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u66f8\u304f\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<pre class=\"line-numbers\"><code class=\"language-css\">@supports (display: grid) and (gap: 1rem) {\r\n  .grid-layout {\r\n    display: grid;\r\n    gap: 1rem;\r\n  }\r\n}\r\n<\/code><\/pre>\n<h3 class=\"sc_heading bborder b blue\"><span class=\"sc_title\">\u307e\u3068\u3081<\/span><\/h3>\n<p>CSS\u306e <span class=\"fontbackground\" style=\"background:;\">@supports<\/span> \u306f\u3001\u30e2\u30c0\u30f3\u306a\u6a5f\u80fd\u3092\u53d6\u308a\u5165\u308c\u3064\u3064\u3001<span class=\"sc_marker-animation\">\u4e92\u63db\u6027\u306e\u554f\u984c\u306b\u3082\u30b9\u30de\u30fc\u30c8\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u512a\u79c0\u306a\u30c4\u30fc\u30eb\u3067\u3059\uff01<\/span><br \/>\n\u3061\u3087\u3063\u3068\u3057\u305f\u66f8\u304d\u65b9\u306e\u5de5\u592b\u3067\u3001\u3042\u306a\u305f\u306eWeb\u30b5\u30a4\u30c8\u304c\u3082\u3063\u3068\u5b89\u5b9a\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u512a\u3057\u3044\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u304b\u3089\u3069\u3093\u3069\u3093\u9032\u5316\u3057\u3066\u3044\u304fCSS\u306e\u4e16\u754c\u3067\u3082\u3001\u3053\u3046\u3044\u3063\u305f\u300c\u72b6\u6cc1\u306b\u5fdc\u3058\u305f\u6700\u9069\u5316\u300d\u3092\u610f\u8b58\u3059\u308b\u3053\u3068\u3067\u3001\u3042\u306a\u305f\u306e\u30b3\u30fc\u30c9\u3082\u4e00\u6b69\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306b\u8fd1\u3065\u3044\u3066\u3044\u304d\u307e\u3059!<\/p>\n<p>\u305c\u3072\u3001\u4eca\u5f8c\u306e\u6848\u4ef6\u3084\u81ea\u5206\u306e\u5236\u4f5c\u306b <span class=\"sc_marker-animation\">@supports<\/span> \u3092\u6d3b\u7528\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2 class=\"sc_heading solid red\"><span class=\"sc_title\">satokotadesign\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u5b9f\u65bd\u4e2d\uff01<\/span><\/h2>\n<div class=\"campaign_bnr\" style=\"margin:0 5%;\"><a href=\"https:\/\/hamameshi.jp\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/satokotadesign.com\/img\/bnr-hamameshi.webp\" alt=\"\u6d5c\u677e\u5e02\u306e\u98f2\u98df\u5e97\u9650\u5b9a\uff5c\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u7121\u6599\u4f5c\u6210\u30b5\u30fc\u30d3\u30b9\" style=\"border: 3px solid #00a08c;border-radius: 20px;\"><\/a><\/div>\n<div class=\"campaign_bnr\" style=\"margin:0 5%;\"><a href=\"https:\/\/satokotadesign.com\/contact\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" data-src=\"https:\/\/satokotadesign.com\/img\/bnr-onayami.png\" alt=\"\u3076\u3063\u3061\u3083\u3051\u7121\u6599\u76f8\u8ac7\u4f1a\uff01\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u5236\u4f5c\u306e\u60a9\u307f\u8a71\u3057\u3066\u307f\u307e\u305b\u3093\u304b\uff1f\" style=\"border: 3px solid #f02025;border-radius: 20px;\" class=\"lazyload\" \/><\/a><\/div>\n<div class=\"campaign_bnr\"  style=\"margin:0 5%;\"><a href=\"https:\/\/satokotadesign.com\/contact\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" data-src=\"https:\/\/satokotadesign.com\/img\/bnr-kansyasai.png\" alt=\"satokotadesign4\u5468\u5e74\u8a18\u5ff5\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\" style=\"border: 3px solid #4183fe;border-radius: 20px;\" class=\"lazyload\" \/><\/a><\/div>\n<p><figure id=\"attachment_475\" aria-describedby=\"caption-attachment-475\" style=\"width: 1500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/satokotadesign.com\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" data-src=\"https:\/\/satokotadesign.com\/blog\/wp-content\/uploads\/2022\/10\/bnr.jpg\" alt=\"\u9759\u5ca1\u770c\u6d5c\u677e\u5e02\u3067\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u5236\u4f5c\u306a\u3089satokotadesign\" width=\"1500\" height=\"500\" class=\"size-full wp-image-475 lazyload\" data-srcset=\"https:\/\/satokotadesign.com\/blog\/wp-content\/uploads\/2022\/10\/bnr.jpg 1500w, https:\/\/satokotadesign.com\/blog\/wp-content\/uploads\/2022\/10\/bnr-500x167.jpg 500w, https:\/\/satokotadesign.com\/blog\/wp-content\/uploads\/2022\/10\/bnr-1024x341.jpg 1024w, https:\/\/satokotadesign.com\/blog\/wp-content\/uploads\/2022\/10\/bnr-768x256.jpg 768w\" data-sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/a><figcaption id=\"caption-attachment-475\" class=\"wp-caption-text\"><a href=\"https:\/\/satokotadesign.com\/contact\/\" target=\"_blank\" rel=\"noopener\">\u9759\u5ca1\u770c\u6d5c\u677e\u5e02\u3067\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u5236\u4f5c\u306a\u3089satokotadesign<\/a><\/figcaption><\/figure><\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\uff01\u9759\u5ca1\u770c\u6d5c\u677e\u5e02\u3067WEB\u30c7\u30b6\u30a4\u30ca\u30fc\u3092\u3057\u3066\u3044\u307e\u3059\u5c0f\u7027\u3067\u3059\u3002 \u6700\u8fd1\u3067\u306fCSS\u3082\u304b\u306a\u308a\u9032\u5316\u3057\u3066\u3001\u300c\u3048\u3063\u3001JavaScript\u4f7f\u308f\u306a\u304f\u3066\u3082\u3053\u308c\u3067\u304d\u3061\u3083\u3046\u306e\uff1f\u300d\u306a\u3093\u3066\u9a5a\u304f\u3053\u3068\u3082\u5897\u3048\u3066\u304d\u307e\u3057\u305f\u3088\u306d\u3002 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