{"id":1660,"date":"2025-05-19T05:31:52","date_gmt":"2025-05-19T05:31:52","guid":{"rendered":"https:\/\/satokotadesign.com\/blog\/?p=1660"},"modified":"2025-05-19T05:31:52","modified_gmt":"2025-05-19T05:31:52","slug":"css_will-change","status":"publish","type":"post","link":"https:\/\/satokotadesign.com\/blog\/css_will-change\/","title":{"rendered":"CSS\u306ewill-change\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u30ab\u30af\u3064\u304d\u3092\u9632\u3050\uff01\u52b9\u679c\u7684\u306a\u4f7f\u3044\u65b9\u3068\u6ce8\u610f\u70b9"},"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<\/p>\n<p>Web\u30b5\u30a4\u30c8\u306b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u52a0\u3048\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u76ee\u3092\u5f15\u304d\u3001\u30c7\u30b6\u30a4\u30f3\u306b\u52d5\u304d\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3088\u306d\u3002<br \/>\n\u3057\u304b\u3057\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c<span class=\"sc_marker-animation\">\u201c\u30ab\u30af\u3064\u304f\u201d\u3001\u52d5\u4f5c\u304c\u91cd\u304f\u306a\u308b<\/span>\u3068\u3044\u3063\u305f\u554f\u984c\u306b\u76f4\u9762\u3057\u305f\u7d4c\u9a13\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f<\/p>\n<p>\u305d\u3053\u3067\u767b\u5834\u3059\u308b\u306e\u304c\u3001CSS\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u3072\u3068\u3064\u3067\u3042\u308b\u3010<span class=\"sc_marker-animation\">will-change<\/span>\u3011\u3067\u3059\u3002<br \/>\n\u3053\u308c\u306f\u300c\u3053\u308c\u304b\u3089\u5909\u5316\u3059\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3088\u300d\u3068\u30d6\u30e9\u30a6\u30b6\u306b\u4e8b\u524d\u306b\u4f1d\u3048\u3066\u3001\u63cf\u753b\u51e6\u7406\u306e\u6700\u9069\u5316\u3092\u52a9\u3051\u308b\u4fbf\u5229\u306aCSS\u6a5f\u80fd\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001\u3053\u306ewill-change\u306b\u3064\u3044\u3066\u3001\u4f7f\u3044\u65b9\u304b\u3089\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3001\u4f7f\u7528\u6642\u306e\u6ce8\u610f\u70b9\u307e\u3067\u3001\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\uff01<\/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<h2 class=\"sc_heading solid blue\"><span class=\"sc_title\">will-change \u3068\u306f\uff1f<\/span><\/h2>\n<p>will-change\u306f\u3001CSS\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30d6\u30e9\u30a6\u30b6\u306b<span class=\"sc_marker-animation\">\u300c\u3053\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u4eca\u5f8c\u5909\u308f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u300d<\/span>\u3068\u4f1d\u3048\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"line-numbers\"><code class=\"language-css\"> .box { will-change: transform; } <\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u4e8b\u524d\u306bGPU\u30ec\u30a4\u30e4\u30fc\u306a\u3069\u306e\u6e96\u5099\u3092\u6574\u3048\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u6642\u306e\u63cf\u753b\u8ca0\u8377\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><span class=\"sc_marker-animation\">\u6ce8\u610f\u70b9\u3068\u3057\u3066\u3001\u300c\u4eca\u3059\u3050\u3067\u306f\u306a\u3044\u3051\u3069\u5909\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u300d\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u4f7f\u3046\u306e\u304c\u7406\u60f3<\/span>\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<h2 class=\"sc_heading solid blue\"><span class=\"sc_title\">\u3069\u3093\u306a\u3068\u304d\u306b\u4f7f\u3046\u3079\u304d\uff1f<\/span><\/h2>\n<div class=\"sc_designlist ul fa_check blue\">\n<ul>\n<li>\u30db\u30d0\u30fc\u3067\u56de\u8ee2\u30fb\u62e1\u5927\u3059\u308b\u30dc\u30bf\u30f3\u3084\u753b\u50cf<\/li>\n<li>\u30b9\u30af\u30ed\u30fc\u30eb\u9023\u52d5\u306e\u30d5\u30a7\u30fc\u30c9\u30a4\u30f3\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/li>\n<li>\u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u958b\u9589\u30a8\u30d5\u30a7\u30af\u30c8<\/li>\n<\/ul>\n<\/div>\n<p>\u305f\u3068\u3048\u3070\u3001transform\u3084opacity\u306a\u3069\u3001<span class=\"sc_marker-animation\">\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30a2\u30af\u30bb\u30e9\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u5bfe\u8c61\u306b\u306a\u308a\u3084\u3059\u3044\u30d7\u30ed\u30d1\u30c6\u30a3<\/span>\u3068\u4e00\u7dd2\u306b\u4f7f\u3046\u3068\u52b9\u679c\u7684\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<h2 class=\"sc_heading solid blue\"><span class=\"sc_title\">\u4f7f\u7528\u4f8b\uff1atransform\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u6ed1\u3089\u304b\u306b<\/span><\/h2>\n<p>\u4ee5\u4e0b\u306f\u3001\u30dc\u30bf\u30f3\u306b\u30db\u30d0\u30fc\u30a8\u30d5\u30a7\u30af\u30c8\u3092\u52a0\u3048\u308b\u4f8b\u3067\u3059\u3002<\/p>\n<p class=\"codepen\" data-height=\"300\" data-default-tab=\"html,result\" data-slug-hash=\"myygYbw\" data-pen-title=\"Untitled\" data-user=\"ekwwawpb-the-styleful\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ekwwawpb-the-styleful\/pen\/myygYbw\"><br \/>\n  Untitled<\/a> by \u5c0f\u7027\u8ce2 (<a href=\"https:\/\/codepen.io\/ekwwawpb-the-styleful\">@ekwwawpb-the-styleful<\/a>)<br \/>\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<p><script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script><br \/>\nwill-change: transform;\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30db\u30d0\u30fc\u6642\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u30ab\u30af\u3064\u304b\u305a\u30b9\u30e0\u30fc\u30ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div class=\"sc_frame_wrap inline blue\">\n<div class=\"sc_frame_title\">\u30dd\u30a4\u30f3\u30c8<\/div>\n<div class=\"sc_frame\"> <span class=\"sc_marker-animation\">\u983b\u7e41\u306b\u4f7f\u308f\u308c\u308bUI\u90e8\u54c1\u306b\u5bfe\u3057\u3066\u3001\u610f\u56f3\u7684\u306bwill-change\u3092\u4f7f\u3046\u306e\u304c\u30d9\u30b9\u30c8<\/span>\u3067\u3059\u3002 <\/div>\n<\/div>\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<h2 class=\"sc_heading solid blue\"><span class=\"sc_title\">\u4f7f\u3044\u3059\u304e\u6ce8\u610f\uff01will-change\u306e\u843d\u3068\u3057\u7a74<\/span><\/h2>\n<p>\u3068\u3066\u3082\u4fbf\u5229\u306awill-change\u3067\u3059\u304c\u3001<span class=\"sc_marker-animation\">\u3042\u3089\u3086\u308b\u8981\u7d20\u306b\u4ed8\u3051\u308b\u306e\u306fNG<\/span>\u3067\u3059\u3002<\/p>\n<div class=\"sc_designlist ul fa_check blue\">\n<ul>\n<li>\u4f7f\u3044\u3059\u304e\u308b\u3068\u30d6\u30e9\u30a6\u30b6\u306eGPU\u51e6\u7406\u3084\u30e1\u30e2\u30ea\u6d88\u8cbb\u304c\u5897\u52a0<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306e\u30c7\u30d0\u30a4\u30b9\u6027\u80fd\u306b\u3088\u3063\u3066\u306f\u9006\u306b\u9045\u304f\u306a\u308b<\/li>\n<\/ul>\n<\/div>\n<p>\u4f7f\u7528\u5f8c\u306b\u4e0d\u8981\u306b\u306a\u3063\u305f\u5834\u5408\u306f\u3001auto\u3067\u30ea\u30bb\u30c3\u30c8\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"line-numbers\"><code class=\"language-css\"> .element { will-change: auto; } <\/code><\/pre>\n<p><span class=\"sc_marker-animation\">\u4e00\u6642\u7684\u306a\u4f7f\u7528<\/span>\u3084<span class=\"sc_marker-animation\">\u7279\u5b9a\u306e\u30e6\u30fc\u30b6\u30fc\u30a2\u30af\u30b7\u30e7\u30f3\u524d\u306b\u8ffd\u52a0 \u2192 \u7d42\u4e86\u5f8c\u306b\u524a\u9664<\/span>\u3068\u3044\u3046\u904b\u7528\u304c\u7406\u60f3\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<h2 class=\"sc_heading solid blue\"><span class=\"sc_title\">\u307e\u3068\u3081\uff1a\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u8cea\u3092\u4e0a\u3052\u308b\u88cf\u6280\u7684\u30d7\u30ed\u30d1\u30c6\u30a3<\/span><\/h2>\n<div class=\"sc_designlist ul fa_check blue\">\n<ul>\n<li>will-change\u306f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u30b9\u30e0\u30fc\u30ba\u306b\u3059\u308b\u5f37\u529b\u306a\u30c4\u30fc\u30eb<\/li>\n<li>transform\u3084opacity\u3068\u76f8\u6027\u304c\u629c\u7fa4<\/li>\n<li><span class=\"sc_marker-animation\">\u4f7f\u3044\u3069\u3053\u308d\u3092\u898b\u6975\u3081\u308b\u3053\u3068\u304c\u6210\u529f\u306e\u9375<\/span><\/li>\n<\/ul>\n<\/div>\n<p>CSS\u3084JavaScript\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u591a\u7528\u3059\u308b\u30b5\u30a4\u30c8\u3067\u306f\u3001\u5c11\u3057\u306e\u5de5\u592b\u3067\u5feb\u9069\u306aUX\u306b\u5927\u304d\u304f\u8ca2\u732e\u3067\u304d\u307e\u3059\u3002<br \/>\n\u305c\u3072\u3001\u81ea\u5206\u306e\u30b5\u30a4\u30c8\u306b\u3082\u53d6\u308a\u5165\u308c\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff01<\/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, 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Web\u30b5\u30a4\u30c8\u306b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u52a0\u3048\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u76ee\u3092\u5f15\u304d\u3001\u30c7\u30b6\u30a4\u30f3\u306b\u52d5\u304d\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3088\u306d\u3002 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