{"id":18163,"date":"2026-07-15T06:20:07","date_gmt":"2026-07-15T06:20:07","guid":{"rendered":"https:\/\/withcode.tech\/media\/?p=18163"},"modified":"2026-07-21T11:37:44","modified_gmt":"2026-07-21T11:37:44","slug":"css-object-fit","status":"publish","type":"post","link":"https:\/\/withcode.tech\/media\/css-object-fit\/","title":{"rendered":"\u30102026\u5e74\u7248\u3011object-fit\u3067\u753b\u50cf\u3092\u30c8\u30ea\u30df\u30f3\u30b0\uff5ccover\/contain\u306e\u4f7f\u3044\u65b9\u3068\u6bd4\u7387\u8abf\u6574"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Web\u30b5\u30a4\u30c8\u306b\u753b\u50cf\u3092\u914d\u7f6e\u3057\u305f\u3068\u304d\u3001\u300c\u7e26\u6a2a\u6bd4\u304c\u304a\u304b\u3057\u304f\u306a\u3063\u3066\u4eba\u7269\u304c\u6a2a\u306b\u6f70\u308c\u305f\u300d\u300c\u4f59\u767d\u3060\u3089\u3051\u3067\u4f59\u3063\u3066\u3057\u307e\u3063\u305f\u300d\u300c\u30ab\u30fc\u30c9\u578b\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u753b\u50cf\u306e\u9ad8\u3055\u304c\u30d0\u30e9\u30d0\u30e9\u306b\u306a\u3063\u305f\u300d\u2014\u2014\u305d\u3093\u306a\u7d4c\u9a13\u306f\u306a\u3044\u3060\u308d\u3046\u304b\u3002\u3053\u308c\u3089\u306f\u3059\u3079\u3066\u3001CSS\u306e<strong>object-fit<\/strong>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3048\u3070\u307b\u307c\u89e3\u6c7a\u3067\u304d\u308b\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">object-fit\u306f\u3001<strong>&lt;img&gt;\u3084&lt;video&gt;\u8981\u7d20\u304c\u300c\u67a0\uff08\u30b3\u30f3\u30c6\u30ca\uff09\u300d\u306e\u4e2d\u306b\u3069\u306e\u3088\u3046\u306b\u30d5\u30a3\u30c3\u30c8\u3059\u308b\u304b<\/strong>\u3092\u5236\u5fa1\u3059\u308bCSS\u30d7\u30ed\u30d1\u30c6\u30a3\u3060\u3002\u80cc\u666f\u753b\u50cf\u306e<code>background-size<\/code>\u306b\u76f8\u5f53\u3059\u308b\u5f79\u5272\u3092\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u8981\u7d20\u306b\u5bfe\u3057\u3066\u679c\u305f\u3059\u3002\u5024\u306f5\u7a2e\u985e\u3042\u308a\u3001\u7528\u9014\u306b\u5fdc\u3058\u3066\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u3067\u3001\u3042\u3089\u3086\u308b\u30b5\u30a4\u30ba\u30fb\u6bd4\u7387\u306e\u753b\u50cf\u3092\u7f8e\u3057\u304f\u30c8\u30ea\u30df\u30f3\u30b0\u30fb\u8868\u793a\u3067\u304d\u308b\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001object-fit\u306e5\u3064\u306e\u5024\u306e\u9055\u3044\u3092\u30d3\u30b8\u30e5\u30a2\u30eb\u306b\u8fd1\u3044\u5f62\u3067\u89e3\u8aac\u3057\u3001object-position\u306b\u3088\u308b\u8868\u793a\u4f4d\u7f6e\u306e\u8abf\u6574\u3001aspect-ratio\u3068\u7d44\u307f\u5408\u308f\u305b\u305f\u67a0\u306e\u56fa\u5b9a\u3001background-size\u3068\u306e\u4f7f\u3044\u5206\u3051\u307e\u3067\u5fb9\u5e95\u7684\u306b\u6271\u3046\u3002\u30b3\u30fc\u30c9\u306f\u3059\u3079\u3066\u30b3\u30d4\u30da\u3067\u52d5\u304f\u5b9f\u8df5\u30b9\u30bf\u30a4\u30eb\u3067\u63d0\u4f9b\u3059\u308b\u3002\u521d\u5fc3\u8005\u304b\u3089\u4e2d\u7d1a\u8005\u307e\u3067\u300c\u3053\u308c\u4e00\u672c\u8aad\u3081\u3070\u5b9f\u52d9\u3067\u56f0\u3089\u306a\u3044\u300d\u3092\u76ee\u6307\u3057\u305f\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">object-fit\u3068\u306f\u4f55\u304b\u30fb\u57fa\u672c\u306e\u4ed5\u7d44\u307f<\/h2>\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305a\u5927\u524d\u63d0\u3092\u6574\u7406\u3059\u308b\u3002<strong>img\u30bf\u30b0\u306b\u5e45\u30fb\u9ad8\u3055\u3092\u4e21\u65b9\u6307\u5b9a\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u753b\u50cf\u3092\u5f15\u304d\u4f38\u3070\u3057\u3066\u67a0\u3044\u3063\u3071\u3044\u306b\u8868\u793a\u3059\u308b<\/strong>\u3002\u5143\u306e\u7e26\u6a2a\u6bd4\u304c4:3\u306a\u306e\u306b\u67a0\u304c1:1\u306a\u3089\u3001\u753b\u50cf\u306f\u6b63\u65b9\u5f62\u306b\u62bc\u3057\u3064\u3076\u3055\u308c\u308b\u3002\u3053\u308c\u304c\u300c\u6f70\u308c\u554f\u984c\u300d\u306e\u6b63\u4f53\u3060\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">img\u306b\u5e45\u30fb\u9ad8\u3055\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067\u306f\u4f55\u304c\u8d77\u304d\u308b\u304b<\/h3>\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u57fa\u672c\u30b3\u30fc\u30c9\u3092\u898b\u3066\u307b\u3057\u3044\u3002width\u3068height\u3092\u4e21\u65b9\u6307\u5b9a\u3057\u305f\u5834\u5408\u3001object-fit\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e<code>fill<\/code>\u304c\u9069\u7528\u3055\u308c\u308b\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* object-fit\u672a\u6307\u5b9a\uff1d\u30c7\u30d5\u30a9\u30eb\u30c8\u306ffill\uff08\u5f15\u304d\u4f38\u3070\u3057\uff09 *\/\nimg {\n  width: 300px;\n  height: 200px;\n  \/* \u3053\u306e\u307e\u307e\u3060\u3068\u753b\u50cf\u304c\u6b6a\u3080 *\/\n}\n\n\/* object-fit\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u6b6a\u307f\u3092\u9632\u3052\u308b *\/\nimg {\n  width: 300px;\n  height: 200px;\n  object-fit: cover; \/* \u67a0\u3092\u57cb\u3081\u3064\u3064\u6bd4\u7387\u3092\u7dad\u6301 *\/\n}<\/code><\/pre><\/div>\n\n<p class=\"wp-block-paragraph\">object-fit\u306fimg\u30fbvideo\u306a\u3069\u306e<strong>\u7f6e\u63db\u8981\u7d20\uff08replaced element\uff09<\/strong>\u306b\u306e\u307f\u6709\u52b9\u3060\u3002div\u3084p\u306b\u306f\u52b9\u304b\u306a\u3044\u70b9\u306f\u899a\u3048\u3066\u304a\u3053\u3046\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">object-fit\u304c\u52b9\u304f\u8981\u7d20\u30fb\u52b9\u304b\u306a\u3044\u8981\u7d20<\/h3>\n\n<ul class=\"wp-block-list\">\n<li>\u6709\u52b9\uff1a<strong>img \/ video \/ iframe \/ canvas \/ embed \/ object<\/strong><\/li>\n<li>\u7121\u52b9\uff1adiv \/ section \/ p \/ span \u306a\u3069\u901a\u5e38\u306eHTML\u8981\u7d20\uff08\u3053\u3061\u3089\u306fbackground-size\u3092\u4f7f\u3046\uff09<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u306fChrome\u30fbFirefox\u30fbSafari\u30fbEdge\u3001\u3044\u305a\u308c\u3082\u73fe\u884c\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u5b8c\u5168\u5bfe\u5fdc\u6e08\u307f\u3002IE11\u306f\u30b5\u30dd\u30fc\u30c8\u5bfe\u8c61\u5916\u306e\u73fe\u5834\u304c\u307b\u3068\u3093\u3069\u306b\u306a\u3063\u305f2026\u5e74\u6642\u70b9\u3067\u306f\u3001\u30dd\u30ea\u30d5\u30a3\u30eb\u306a\u3057\u3067\u4f7f\u3048\u308b\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">5\u3064\u306e\u5024\u3092\u5fb9\u5e95\u89e3\u8aac\uff1afill \/ contain \/ cover \/ none \/ scale-down<\/h2>\n\n\n<p class=\"wp-block-paragraph\">object-fit\u306b\u306f5\u3064\u306e\u5024\u304c\u3042\u308b\u3002\u305d\u308c\u305e\u308c\u306e\u52d5\u4f5c\u306e\u9055\u3044\u3092\u9806\u756a\u306b\u7406\u89e3\u3059\u308c\u3070\u3001\u3069\u3093\u306a\u5834\u9762\u3067\u3069\u308c\u3092\u9078\u3076\u3079\u304d\u304b\u304c\u81ea\u7136\u3068\u308f\u304b\u308b\u3088\u3046\u306b\u306a\u308b\u3002\u3053\u3053\u3067\u306f300px \u00d7 200px\u306e\u67a0\u306b\u5bfe\u3057\u3066\u3001\u6a2a\u9577\uff081600\u00d7900\uff09\u30fb\u7e26\u9577\uff08900\u00d71600\uff09\u30fb\u5c0f\u3055\u3044\u753b\u50cf\uff08100\u00d7100\uff09\u3092\u5165\u308c\u305f\u3068\u304d\u306e\u52d5\u4f5c\u3092\u610f\u8b58\u3057\u306a\u304c\u3089\u8aad\u3093\u3067\u307b\u3057\u3044\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">fill\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09\uff1a\u7e26\u6a2a\u6bd4\u3092\u7121\u8996\u3057\u3066\u5f15\u304d\u4f38\u3070\u3059<\/h3>\n\n<p class=\"wp-block-paragraph\"><strong>fill<\/strong>\u306fobject-fit\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3002\u753b\u50cf\u3092\u67a0\u306e\u30b5\u30a4\u30ba\u306b\u3042\u308f\u305b\u3066\u5f37\u5236\u7684\u306b\u5f15\u304d\u4f38\u3070\u3059\u3002\u7e26\u6a2a\u6bd4\u306f\u7121\u8996\u3055\u308c\u308b\u305f\u3081\u3001\u6bd4\u7387\u304c\u7570\u306a\u308b\u753b\u50cf\u3067\u306f\u5fc5\u305a\u6b6a\u3080\u3002\u307b\u307c\u4f7f\u308f\u306a\u3044\u5024\u3060\u304c\u3001\u67a0\u3068\u753b\u50cf\u306e\u6bd4\u7387\u304c\u5b8c\u5168\u306b\u4e00\u81f4\u3059\u308b\u5834\u5408\u306e\u307f\u304d\u308c\u3044\u306b\u8868\u793a\u3067\u304d\u308b\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.img-fill {\n  width: 300px;\n  height: 200px;\n  object-fit: fill; \/* \u30c7\u30d5\u30a9\u30eb\u30c8\u3002\u6bd4\u7387\u304c\u5408\u308f\u306a\u3044\u3068\u6b6a\u3080 *\/\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">contain\uff1a\u7e26\u6a2a\u6bd4\u3092\u7dad\u6301\u3057\u3066\u67a0\u306b\u53ce\u3081\u308b\uff08\u30ec\u30bf\u30fc\u30dc\u30c3\u30af\u30b9\uff09<\/h3>\n\n<p class=\"wp-block-paragraph\"><strong>contain<\/strong>\u306f\u753b\u50cf\u5168\u4f53\u304c\u67a0\u306b\u53ce\u307e\u308b\u3088\u3046\u7e2e\u5c0f\u30fb\u62e1\u5927\u3059\u308b\u3002\u7e26\u6a2a\u6bd4\u306f\u7dad\u6301\u3055\u308c\u308b\u305f\u3081\u3001\u67a0\u306e\u6bd4\u7387\u3068\u7570\u306a\u308b\u3068\u4f59\u767d\uff08\u30ec\u30bf\u30fc\u30dc\u30c3\u30af\u30b9\uff09\u304c\u751f\u307e\u308c\u308b\u3002\u753b\u50cf\u3092\u5207\u308a\u53d6\u3089\u308c\u305f\u304f\u306a\u3044\u5546\u54c1\u753b\u50cf\u30fb\u30ed\u30b4\u306b\u5411\u3044\u3066\u3044\u308b\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.img-contain {\n  width: 300px;\n  height: 200px;\n  object-fit: contain;\n  background-color: #f0f0f0; \/* \u4f59\u767d\u90e8\u5206\u306b\u80cc\u666f\u8272\u3092\u3064\u3051\u308b\u3068\u898b\u6804\u3048\u304c\u826f\u304f\u306a\u308b *\/\n}<\/code><\/pre><\/div>\n\n<p class=\"wp-block-paragraph\">\u4f59\u767d\u90e8\u5206\u306fimg\u81ea\u4f53\u306ebackground-color\u3067\u5857\u308c\u308b\u3002\u5546\u54c1\u30da\u30fc\u30b8\u306e\u30b5\u30e0\u30cd\u30a4\u30eb\u3067\u300c\u753b\u50cf\u306e\u5468\u308a\u3092\u767d\u304f\u3057\u305f\u3044\u300d\u5834\u5408\u306f\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u5b9a\u756a\u3060\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">cover\uff1a\u7e26\u6a2a\u6bd4\u3092\u7dad\u6301\u3057\u3066\u67a0\u3092\u57cb\u3081\u308b\uff08\u6700\u3082\u3088\u304f\u4f7f\u3046\uff09<\/h3>\n\n<p class=\"wp-block-paragraph\"><strong>cover<\/strong>\u306f\u67a0\u5168\u4f53\u3092\u753b\u50cf\u3067\u57cb\u3081\u3064\u3064\u3001\u7e26\u6a2a\u6bd4\u3092\u7dad\u6301\u3059\u308b\u3002\u306f\u307f\u51fa\u305f\u90e8\u5206\u306f\u30c8\u30ea\u30df\u30f3\u30b0\u3055\u308c\u308b\u3002\u30d6\u30ed\u30b0\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u30fb\u30ab\u30fc\u30c9\u306e\u30b5\u30e0\u30cd\u30a4\u30eb\u30fb\u30d2\u30fc\u30ed\u30fc\u753b\u50cf\u306a\u3069\u3001\u300c\u67a0\u3092\u5fc5\u305a\u57cb\u3081\u3066\u4f59\u767d\u3092\u51fa\u3055\u306a\u3044\u300d\u5834\u9762\u3067\u6700\u3082\u3088\u304f\u4f7f\u308f\u308c\u308b\u5024\u3060\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.img-cover {\n  width: 300px;\n  height: 200px;\n  object-fit: cover;\n  \/* \u306f\u307f\u51fa\u305f\u90e8\u5206\u306f\u30c8\u30ea\u30df\u30f3\u30b0\u3002\u8868\u793a\u4f4d\u7f6e\u306fobject-position\u3067\u8abf\u6574 *\/\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">none\uff1a\u30b5\u30a4\u30ba\u3092\u5909\u3048\u305a\u306b\u8868\u793a\uff08\u5b9f\u5bf8\u8868\u793a\uff09<\/h3>\n\n<p class=\"wp-block-paragraph\"><strong>none<\/strong>\u306f\u753b\u50cf\u3092\u30ea\u30b5\u30a4\u30ba\u3057\u306a\u3044\u3002\u5143\u306e\u89e3\u50cf\u5ea6\u306e\u307e\u307e\u67a0\u306e\u4e2d\u592e\u306b\u8868\u793a\u3057\u3001\u306f\u307f\u51fa\u305f\u90e8\u5206\u306f\u30c8\u30ea\u30df\u30f3\u30b0\u3055\u308c\u308b\u3002\u5c0f\u3055\u3044\u753b\u50cf\u306f\u4f59\u767d\u304c\u751f\u307e\u308c\u3001\u5927\u304d\u3044\u753b\u50cf\u306f\u7aef\u304c\u5207\u308c\u308b\u3002\u7528\u9014\u306f\u9650\u3089\u308c\u308b\u304c\u3001\u30c9\u30c3\u30c8\u7d75\u3084\u30b9\u30d7\u30e9\u30a4\u30c8\u753b\u50cf\u306a\u3069\u300c\u62e1\u5927\u7e2e\u5c0f\u3067\u54c1\u8cea\u304c\u843d\u3061\u3066\u306f\u3044\u3051\u306a\u3044\u300d\u7d20\u6750\u306b\u4f7f\u3046\u3053\u3068\u304c\u3042\u308b\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.img-none {\n  width: 300px;\n  height: 200px;\n  object-fit: none;\n  \/* \u5143\u30b5\u30a4\u30ba\u306e\u307e\u307e\u8868\u793a\u3002\u67a0\u3088\u308a\u5c0f\u3055\u3051\u308c\u3070\u4f59\u767d\u3001\u5927\u304d\u3051\u308c\u3070\u306f\u307f\u51fa\u3066\u30c8\u30ea\u30df\u30f3\u30b0 *\/\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">scale-down\uff1acontain\u3068none\u306e\u5c0f\u3055\u3044\u307b\u3046\u3092\u81ea\u52d5\u9078\u629e<\/h3>\n\n<p class=\"wp-block-paragraph\"><strong>scale-down<\/strong>\u306fcontain\u3068none\u3092\u6bd4\u8f03\u3057\u3066\u3001\u753b\u50cf\u304c\u5c0f\u3055\u304f\u8868\u793a\u3055\u308c\u308b\u307b\u3046\u3092\u81ea\u52d5\u7684\u306b\u9078\u3076\u3002\u300c\u753b\u50cf\u304c\u67a0\u3088\u308a\u5c0f\u3055\u3044\u3068\u304d\u306f\u5b9f\u5bf8\u3067\u3001\u67a0\u3088\u308a\u5927\u304d\u3044\u3068\u304d\u306fcontain\u3067\u7e2e\u5c0f\u300d\u3068\u3044\u3046\u52d5\u4f5c\u306b\u306a\u308b\u3002\u30ed\u30b4\u3084\u5c0f\u3055\u3044\u30a2\u30a4\u30b3\u30f3\u3092\u67a0\u306b\u914d\u7f6e\u3057\u3064\u3064\u300c\u62e1\u5927\u3055\u308c\u3066\u7c97\u304f\u306a\u308b\u306e\u3092\u9632\u304e\u305f\u3044\u300d\u5834\u9762\u3067\u4fbf\u5229\u3060\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.img-scale-down {\n  width: 300px;\n  height: 200px;\n  object-fit: scale-down;\n  \/* \u753b\u50cf\u304c\u67a0\u3088\u308a\u5c0f\u3055\u3051\u308c\u3070\u5b9f\u5bf8\u3001\u5927\u304d\u3051\u308c\u3070contain\u3068\u540c\u3058\u52d5\u4f5c *\/\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">5\u5024\u306e\u6bd4\u8f03\u307e\u3068\u3081<\/h3>\n\n<ul class=\"wp-block-list\">\n<li><strong>fill<\/strong>\uff1a\u6bd4\u7387\u7121\u8996\u3067\u5f15\u304d\u4f38\u3070\u3057\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09\u3002\u901a\u5e38\u306f\u4f7f\u308f\u306a\u3044<\/li>\n<li><strong>contain<\/strong>\uff1a\u6bd4\u7387\u7dad\u6301\u3067\u5168\u4f53\u8868\u793a\u3002\u4f59\u767d\u304c\u51fa\u308b\u3002\u5546\u54c1\u30fb\u30ed\u30b4\u5411\u304d<\/li>\n<li><strong>cover<\/strong>\uff1a\u6bd4\u7387\u7dad\u6301\u3067\u67a0\u57cb\u3081\u3002\u306f\u307f\u51fa\u305f\u5206\u306f\u30c8\u30ea\u30df\u30f3\u30b0\u3002\u30b5\u30e0\u30cd\u30a4\u30eb\u30fb\u30d2\u30fc\u30ed\u30fc\u5411\u304d<\/li>\n<li><strong>none<\/strong>\uff1a\u5b9f\u5bf8\u8868\u793a\u3002\u67a0\u3068\u306e\u5dee\u5206\u306f\u4f59\u767d\u307e\u305f\u306f\u30c8\u30ea\u30df\u30f3\u30b0<\/li>\n<li><strong>scale-down<\/strong>\uff1acontain\u3068none\u306e\u7e2e\u5c0f\u5074\u3092\u81ea\u52d5\u9078\u629e\u3002\u30ed\u30b4\u30fb\u30a2\u30a4\u30b3\u30f3\u5411\u304d<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\">object-position\u3067\u300c\u898b\u305b\u305f\u3044\u90e8\u5206\u300d\u3092\u6307\u5b9a\u3059\u308b<\/h2>\n\n\n<p class=\"wp-block-paragraph\">object-fit: cover\u3092\u4f7f\u3046\u3068\u753b\u50cf\u304c\u30c8\u30ea\u30df\u30f3\u30b0\u3055\u308c\u308b\u304c\u3001<strong>\u3069\u306e\u90e8\u5206\u3092\u898b\u305b\u308b\u304b<\/strong>\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u4e2d\u592e\uff08center center\uff09\u306b\u306a\u308b\u3002\u4eba\u7269\u5199\u771f\u3067\u3044\u3048\u3070\u9854\u3067\u306f\u306a\u304f\u80f4\u4f53\u304c\u5207\u308c\u308b\u30b1\u30fc\u30b9\u3082\u51fa\u3066\u304f\u308b\u3002\u3053\u308c\u3092\u5236\u5fa1\u3059\u308b\u306e\u304c<strong>object-position<\/strong>\u3060\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u306e\u69cb\u6587\uff1a\u30ad\u30fc\u30ef\u30fc\u30c9\u3068\u30d1\u30fc\u30bb\u30f3\u30c6\u30fc\u30b8<\/h3>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u6307\u5b9a *\/\nimg {\n  width: 300px;\n  height: 200px;\n  object-fit: cover;\n  object-position: top;        \/* \u4e0a\u57fa\u6e96 *\/\n  object-position: bottom;     \/* \u4e0b\u57fa\u6e96 *\/\n  object-position: left;       \/* \u5de6\u57fa\u6e96 *\/\n  object-position: right;      \/* \u53f3\u57fa\u6e96 *\/\n  object-position: center;     \/* \u4e2d\u592e\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09*\/\n}\n\n\/* X Y \u306e\u9806\u30672\u5024\u6307\u5b9a *\/\nimg {\n  object-fit: cover;\n  object-position: center top;    \/* \u6c34\u5e73\u4e2d\u592e\u3001\u5782\u76f4\u4e0a *\/\n  object-position: right bottom;  \/* \u53f3\u4e0b *\/\n}\n\n\/* \u30d1\u30fc\u30bb\u30f3\u30c6\u30fc\u30b8\u3067\u7d30\u304b\u304f\u6307\u5b9a *\/\nimg {\n  object-fit: cover;\n  object-position: 30% 20%; \/* \u5de6\u304b\u308930%\u3001\u4e0a\u304b\u308920%\u306e\u4f4d\u7f6e\u3092\u4e2d\u5fc3\u306b\u8868\u793a *\/\n}\n\n\/* px\u3067\u7d76\u5bfe\u6307\u5b9a\u3082\u53ef\u80fd *\/\nimg {\n  object-fit: cover;\n  object-position: 50px 100px;\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u4eba\u7269\u5199\u771f\u3067\u9854\u3092\u5207\u308a\u53d6\u3089\u306a\u3044\u3088\u3046\u306b\u3059\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">\u7e26\u9577\u306e\u4eba\u7269\u5199\u771f\u3092\u6a2a\u9577\u306e\u67a0\u306b\u5165\u308c\u308b\u3068\u304d\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\uff08center\uff09\u3067\u306f\u9854\u304c\u5207\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002object-position\u3067\u8abf\u6574\u3059\u308b\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.portrait-card {\n  width: 300px;\n  height: 180px;\n  object-fit: cover;\n  object-position: center 20%; \/* \u4e0a\u304b\u308920%\u306e\u4f4d\u7f6e\u3092\u8868\u793a\u306e\u4e2d\u5fc3\u306b\uff08\u9854\u304c\u4e0a\u306b\u3042\u308b\u5199\u771f\u306b\u6709\u52b9\uff09*\/\n}<\/code><\/pre><\/div>\n\n<p class=\"wp-block-paragraph\">\u4eba\u7269\u306e\u9854\u4f4d\u7f6e\u304c\u307b\u307c\u4e00\u5b9a\u306e\u30b3\u30fc\u30dd\u30ec\u30fc\u30c8\u30b5\u30a4\u30c8\u306e\u30b9\u30bf\u30c3\u30d5\u5199\u771f\u3067\u306f\u3001<code>object-position: top center<\/code>\u3092\u4e00\u5f8b\u306b\u5f53\u3066\u3066\u304a\u304f\u3068\u7834\u7dbb\u3057\u306b\u304f\u3044\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u5546\u54c1\u753b\u50cf\u3067\u7279\u5b9a\u306e\u90e8\u5206\u3060\u3051\u5207\u308a\u51fa\u3059<\/h3>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.product-thumb {\n  width: 240px;\n  height: 240px;\n  object-fit: cover;\n  object-position: right top; \/* \u5546\u54c1\u306e\u53f3\u4e0a\u306b\u7279\u5fb4\u7684\u306a\u90e8\u5206\u304c\u3042\u308b\u5834\u5408 *\/\n}<\/code><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">aspect-ratio\u3067\u67a0\u3092\u56fa\u5b9a\u3057\u3066\u5d29\u308c\u3092\u9632\u3050<\/h2>\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30fc\u30c9\u578b\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u8907\u6570\u306e\u753b\u50cf\u3092\u4e26\u3079\u308b\u3068\u304d\u3001\u753b\u50cf\u3054\u3068\u306b\u7e26\u6a2a\u6bd4\u304c\u9055\u3046\u3068\u9ad8\u3055\u304c\u30d0\u30e9\u3064\u3044\u3066\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u5d29\u308c\u308b\u3002\u3053\u308c\u3092\u9632\u3050\u306b\u306f<strong>aspect-ratio<\/strong>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3046\u3002width\u3060\u3051\u6307\u5b9a\u3057\u3066height\u3092aspect-ratio\u3067\u6c7a\u3081\u308b\u65b9\u6cd5\u304c\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u3068\u76f8\u6027\u304c\u826f\u3044\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">aspect-ratio\u306e\u57fa\u672c\u69cb\u6587<\/h3>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u5e45\u3060\u3051\u6307\u5b9a\u3057\u3066\u9ad8\u3055\u3092\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u3067\u81ea\u52d5\u8a08\u7b97 *\/\nimg {\n  width: 100%;\n  aspect-ratio: 16 \/ 9;   \/* 16:9\u306e\u6bd4\u7387\u3092\u56fa\u5b9a *\/\n  object-fit: cover;\n}\n\n\/* \u6b63\u65b9\u5f62\uff081:1\uff09\u30b5\u30e0\u30cd\u30a4\u30eb *\/\nimg {\n  width: 100%;\n  aspect-ratio: 1 \/ 1;\n  object-fit: cover;\n}\n\n\/* \u6620\u753b\u7684\u306a2.35:1 *\/\nimg {\n  width: 100%;\n  aspect-ratio: 2.35 \/ 1;\n  object-fit: cover;\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u30ab\u30fc\u30c9\u30b0\u30ea\u30c3\u30c9\u3067\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u3044\u65b9<\/h3>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-markup\" data-lang=\"HTML\"><code>&lt;div class=\"card-grid\"&gt;\n  &lt;article class=\"card\"&gt;\n    &lt;img src=\"thumbnail1.jpg\" alt=\"\u8a18\u4e8b\u30bf\u30a4\u30c8\u30eb1\" class=\"card__img\"&gt;\n    &lt;h2&gt;\u8a18\u4e8b\u30bf\u30a4\u30c8\u30eb1&lt;\/h2&gt;\n  &lt;\/article&gt;\n  &lt;article class=\"card\"&gt;\n    &lt;img src=\"thumbnail2.jpg\" alt=\"\u8a18\u4e8b\u30bf\u30a4\u30c8\u30eb2\" class=\"card__img\"&gt;\n    &lt;h2&gt;\u8a18\u4e8b\u30bf\u30a4\u30c8\u30eb2&lt;\/h2&gt;\n  &lt;\/article&gt;\n  &lt;article class=\"card\"&gt;\n    &lt;img src=\"thumbnail3.jpg\" alt=\"\u8a18\u4e8b\u30bf\u30a4\u30c8\u30eb3\" class=\"card__img\"&gt;\n    &lt;h2&gt;\u8a18\u4e8b\u30bf\u30a4\u30c8\u30eb3&lt;\/h2&gt;\n  &lt;\/article&gt;\n&lt;\/div&gt;<\/code><\/pre><\/div>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.card-grid {\n  display: grid;\n  grid-template-columns: repeat(3, 1fr);\n  gap: 24px;\n}\n\n.card__img {\n  width: 100%;\n  aspect-ratio: 16 \/ 9; \/* \u6bd4\u7387\u3092\u7d71\u4e00\u3002\u3069\u3093\u306a\u5143\u753b\u50cf\u3067\u3082\u540c\u3058\u9ad8\u3055\u306b\u306a\u308b *\/\n  object-fit: cover;\n  display: block; \/* img\u306e\u30c7\u30d5\u30a9\u30eb\u30c8 inline \u3092\u89e3\u9664\u3057\u3066\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u554f\u984c\u3092\u9632\u3050 *\/\n}\n\n@media (max-width: 640px) {\n  .card-grid {\n    grid-template-columns: 1fr;\n  }\n}<\/code><\/pre><\/div>\n\n<p class=\"wp-block-paragraph\">aspect-ratio\u306f\u3059\u3079\u3066\u306e\u73fe\u884c\u30d6\u30e9\u30a6\u30b6\u3067\u5bfe\u5fdc\u6e08\u307f\u3002\u53e4\u3044\u30b3\u30fc\u30c9\u3067\u3088\u304f\u898b\u3089\u308c\u305f\u300cpadding\u30c8\u30ea\u30c3\u30af\uff08padding-top: 56.25%\uff09\u300d\u306f\u307b\u307c\u4e0d\u8981\u306b\u306a\u3063\u305f\u30022026\u5e74\u73fe\u5728\u3067\u306f\u7d20\u76f4\u306baspect-ratio\u3092\u4f7f\u3063\u3066\u3088\u3044\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">height\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u3068\u306e\u6bd4\u8f03<\/h3>\n\n<ul class=\"wp-block-list\">\n<li><strong>width\u3068height\u3092\u56fa\u5b9apx\u6307\u5b9a<\/strong>\uff1a\u7d76\u5bfe\u30b5\u30a4\u30ba\u304c\u6c7a\u307e\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u30b7\u30f3\u30d7\u30eb\u3002\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u306b\u5f31\u3044<\/li>\n<li><strong>width: 100% + aspect-ratio<\/strong>\uff1a\u89aa\u8981\u7d20\u306e\u5e45\u306b\u8ffd\u5f93\u3057\u306a\u304c\u3089\u6bd4\u7387\u3092\u7dad\u6301\u3002\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u3068\u76f8\u6027\u25ce<\/li>\n<li><strong>width: 100% + height: \u56fa\u5b9apx<\/strong>\uff1a\u6bd4\u7387\u304c\u5d29\u308c\u3084\u3059\u3044\u3002aspect-ratio\u3067\u4ee3\u66ff\u53ef\u80fd<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\">background-size: cover\u3068\u306e\u9055\u3044\u3068\u4f7f\u3044\u5206\u3051<\/h2>\n\n\n<p class=\"wp-block-paragraph\">\u300cbackground-size: cover\u3068\u4f55\u304c\u9055\u3046\u306e\uff1f\u300d\u3068\u3044\u3046\u7591\u554f\u306f\u3088\u304f\u805e\u304f\u3002\u6a5f\u80fd\u7684\u306b\u306f\u4f3c\u3066\u3044\u308b\u304c\u3001\u4f7f\u3046\u5834\u9762\u30fb\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u7570\u306a\u308b\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u6839\u672c\u7684\u306a\u9055\u3044<\/h3>\n\n<ul class=\"wp-block-list\">\n<li><strong>object-fit<\/strong>\uff1aimg\u30bf\u30b0\uff08HTML\u306e\u5b9f\u8981\u7d20\uff09\u306b\u4f7f\u3046\u3002alt\u5c5e\u6027\u3067\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3092\u62c5\u4fdd\u3067\u304d\u308b\u3002Lighthouse\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8a08\u6e2c\u306e\u5bfe\u8c61\u306b\u306a\u308b<\/li>\n<li><strong>background-size<\/strong>\uff1aCSS\u306ebackground-image\u306b\u4f7f\u3046\u3002HTML\u306b\u753b\u50cf\u30bf\u30b0\u304c\u6b8b\u3089\u306a\u3044\u3002alt\u5c5e\u6027\u306a\u3057\uff08\u88c5\u98fe\u6271\u3044\uff09<\/li>\n<\/ul>\n\n\n<h3 class=\"wp-block-heading\">\u305d\u308c\u305e\u308c\u306e\u30b3\u30fc\u30c9\u6bd4\u8f03<\/h3>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* ---------- object-fit\u30d1\u30bf\u30fc\u30f3 ---------- *\/\n.hero-img {\n  width: 100%;\n  height: 400px;\n  object-fit: cover;\n  object-position: center center;\n  display: block;\n}\n\n\/* ---------- background-size\u30d1\u30bf\u30fc\u30f3 ---------- *\/\n.hero-bg {\n  width: 100%;\n  height: 400px;\n  background-image: url('hero.jpg');\n  background-size: cover;\n  background-position: center center;\n  background-repeat: no-repeat;\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u3069\u3061\u3089\u3092\u9078\u3076\u3079\u304d\u304b\uff1a\u5224\u65ad\u57fa\u6e96<\/h3>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b3\u30f3\u30c6\u30f3\u30c4\u753b\u50cf\uff08\u4eba\u7269\u30fb\u5546\u54c1\u30fb\u8a18\u4e8b\u30b5\u30e0\u30cd\u30a4\u30eb\u306a\u3069\uff09<\/strong>\u2192 <strong>object-fit\u3092\u4f7f\u3046<\/strong>\u3002alt\u5c5e\u6027\u3067SEO\u30fb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3067\u304d\u308b<\/li>\n<li><strong>\u7d14\u7c8b\u306a\u88c5\u98fe\u30fb\u80cc\u666f\uff08\u30c6\u30af\u30b9\u30c1\u30e3\u30fb\u30d1\u30bf\u30fc\u30f3\u30fb\u88c5\u98fe\u5199\u771f\uff09<\/strong>\u2192 <strong>background-size\u3092\u4f7f\u3046<\/strong>\u3002HTML\u3092\u6c5a\u3055\u305a\u3001CSS\u5074\u3067\u5b8c\u7d50\u3059\u308b<\/li>\n<li><strong>\u753b\u50cf\u306b\u30ea\u30f3\u30af\u3092\u8cbc\u308a\u305f\u3044\u30fblazy load\u3092\u52b9\u304b\u305b\u305f\u3044<\/strong>\u2192 <strong>object-fit\u3092\u4f7f\u3046<\/strong><\/li>\n<li><strong>\u30c6\u30ad\u30b9\u30c8\u3092\u753b\u50cf\u306e\u4e0a\u306b\u91cd\u306d\u308b\u3060\u3051\u3067\u3088\u3044<\/strong>\u2192 <strong>background-size\u3067\u3082\u5341\u5206<\/strong><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Google\u306e\u30b3\u30a2\u30a6\u30a7\u30d6\u30d0\u30a4\u30bf\u30eb\u30fbLCP\uff08Largest Contentful Paint\uff09\u306e\u89b3\u70b9\u3067\u306f\u3001\u30d2\u30fc\u30ed\u30fc\u753b\u50cf\u306fimg\u30bf\u30b0\u3067\u5b9f\u88c5\u3057fetchpriority=&#8221;high&#8221;\u3092\u4ed8\u3051\u308b\u307b\u3046\u304c\u6709\u5229\u3060\u3002CSS\u306ebackground-image\u306f\u30d7\u30ea\u30ed\u30fc\u30c9\u304c\u52b9\u304d\u306b\u304f\u304f\u3001LCP\u304c\u9045\u5ef6\u3057\u3084\u3059\u3044\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">video\u8981\u7d20\u3067\u306eobject-fit\u6d3b\u7528<\/h2>\n\n\n<p class=\"wp-block-paragraph\">object-fit\u306fvideo\u30bf\u30b0\u306b\u3082\u4f7f\u3048\u308b\u3002\u80cc\u666f\u52d5\u753b\u30fb\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u52d5\u753b\u3092\u5b9f\u88c5\u3059\u308b\u3068\u304d\u3001video\u306e\u7e26\u6a2a\u6bd4\u304c\u30d6\u30e9\u30a6\u30b6\u30a6\u30a3\u30f3\u30c9\u30a6\u3068\u7570\u306a\u308b\u3068\u9ed2\u5e2f\u304c\u51fa\u308b\u3002\u3053\u308c\u3092object-fit: cover\u3067\u89e3\u6d88\u3067\u304d\u308b\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u80cc\u666f\u52d5\u753b\u306e\u5b9f\u88c5<\/h3>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-markup\" data-lang=\"HTML\"><code>&lt;div class=\"video-hero\"&gt;\n  &lt;video\n    class=\"video-hero__video\"\n    autoplay\n    muted\n    loop\n    playsinline\n    src=\"hero-video.mp4\"\n  &gt;&lt;\/video&gt;\n  &lt;div class=\"video-hero__content\"&gt;\n    &lt;h1&gt;\u30ad\u30e3\u30c3\u30c1\u30b3\u30d4\u30fc\u3092\u3053\u3053\u306b&lt;\/h1&gt;\n  &lt;\/div&gt;\n&lt;\/div&gt;<\/code><\/pre><\/div>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.video-hero {\n  position: relative;\n  width: 100%;\n  height: 100vh; \/* \u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\u306e\u5168\u9ad8 *\/\n  overflow: hidden;\n}\n\n.video-hero__video {\n  position: absolute;\n  inset: 0; \/* top:0; right:0; bottom:0; left:0; \u306e\u7701\u7565\u5f62 *\/\n  width: 100%;\n  height: 100%;\n  object-fit: cover;     \/* \u7e26\u6a2a\u6bd4\u3092\u7dad\u6301\u3057\u3066\u67a0\u3092\u57cb\u3081\u308b *\/\n  object-position: center;\n}\n\n.video-hero__content {\n  position: relative; \/* video\u8981\u7d20\u306e\u4e0a\u306b\u91cd\u306d\u308b\u305f\u3081z-index\u3092\u6a5f\u80fd\u3055\u305b\u308b *\/\n  z-index: 1;\n  color: #fff;\n  text-align: center;\n  padding-top: 40vh;\n}<\/code><\/pre><\/div>\n\n<p class=\"wp-block-paragraph\">playsinline\u5c5e\u6027\u306fiOS Safari\u3067\u81ea\u52d5\u518d\u751f\u3092\u8a31\u53ef\u3059\u308b\u305f\u3081\u306b\u5fc5\u9808\u3002muted\u5c5e\u6027\u304c\u306a\u3044\u3068Autoplay\u30dd\u30ea\u30b7\u30fc\u3067\u81ea\u52d5\u518d\u751f\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u3002\u3053\u306e2\u3064\u306f\u30bb\u30c3\u30c8\u3067\u899a\u3048\u3066\u304a\u3053\u3046\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">iframe\u306e\u57cb\u3081\u8fbc\u307f\u306b\u3082\u5fdc\u7528\u3067\u304d\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">YouTube\u306eiframe\u57cb\u3081\u8fbc\u307f\u3067\u3082\u540c\u69d8\u306e\u554f\u984c\u304c\u8d77\u304d\u308b\u3002\u305f\u3060\u3057iframe\u306fobject-fit\u304c\u52b9\u304b\u306a\u3044\u305f\u3081\u3001\u89aa\u8981\u7d20\u306bpadding-top\u30c8\u30ea\u30c3\u30af\u307e\u305f\u306faspect-ratio\u3092\u4f7f\u3046\u306e\u304c\u6b63\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\u3060\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* YouTube iframe\u306e\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc *\/\n.youtube-wrapper {\n  width: 100%;\n  aspect-ratio: 16 \/ 9;\n  position: relative;\n}\n\n.youtube-wrapper iframe {\n  position: absolute;\n  inset: 0;\n  width: 100%;\n  height: 100%;\n}<\/code><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u8df5\uff1a\u3088\u304f\u3042\u308b3\u3064\u306eUI\u30d1\u30bf\u30fc\u30f3<\/h2>\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067\u306e\u77e5\u8b58\u3092\u4f7f\u3044\u3001\u5b9f\u52d9\u3067\u3088\u304f\u767b\u5834\u3059\u308b3\u3064\u306eUI\u30d1\u30bf\u30fc\u30f3\u306e\u30b3\u30fc\u30c9\u3092\u5b8c\u5168\u306a\u5f62\u3067\u793a\u3059\u3002\u3044\u305a\u308c\u3082\u30b3\u30d4\u30da\u3067\u52d5\u304f\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30bf\u30fc\u30f31\uff1a\u6b63\u65b9\u5f62\u30b5\u30e0\u30cd\u30a4\u30eb\u4e00\u89a7\uff08\u30d6\u30ed\u30b0\u30fbEC\u30b5\u30a4\u30c8\uff09<\/h3>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-markup\" data-lang=\"HTML\"><code>&lt;ul class=\"thumb-grid\"&gt;\n  &lt;li class=\"thumb-grid__item\"&gt;\n    &lt;a href=\"#\"&gt;\n      &lt;img src=\"img01.jpg\" alt=\"\u5546\u54c1\u540d1\" class=\"thumb-grid__img\" loading=\"lazy\"&gt;\n    &lt;\/a&gt;\n  &lt;\/li&gt;\n  &lt;li class=\"thumb-grid__item\"&gt;\n    &lt;a href=\"#\"&gt;\n      &lt;img src=\"img02.jpg\" alt=\"\u5546\u54c1\u540d2\" class=\"thumb-grid__img\" loading=\"lazy\"&gt;\n    &lt;\/a&gt;\n  &lt;\/li&gt;\n  &lt;li class=\"thumb-grid__item\"&gt;\n    &lt;a href=\"#\"&gt;\n      &lt;img src=\"img03.jpg\" alt=\"\u5546\u54c1\u540d3\" class=\"thumb-grid__img\" loading=\"lazy\"&gt;\n    &lt;\/a&gt;\n  &lt;\/li&gt;\n  &lt;li class=\"thumb-grid__item\"&gt;\n    &lt;a href=\"#\"&gt;\n      &lt;img src=\"img04.jpg\" alt=\"\u5546\u54c1\u540d4\" class=\"thumb-grid__img\" loading=\"lazy\"&gt;\n    &lt;\/a&gt;\n  &lt;\/li&gt;\n&lt;\/ul&gt;<\/code><\/pre><\/div>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.thumb-grid {\n  list-style: none;\n  padding: 0;\n  margin: 0;\n  display: grid;\n  grid-template-columns: repeat(4, 1fr);\n  gap: 16px;\n}\n\n.thumb-grid__img {\n  display: block;\n  width: 100%;\n  aspect-ratio: 1 \/ 1;  \/* \u6b63\u65b9\u5f62\u56fa\u5b9a *\/\n  object-fit: cover;\n  object-position: center;\n  border-radius: 4px;\n  transition: transform 0.3s ease;\n}\n\n.thumb-grid__item a:hover .thumb-grid__img {\n  transform: scale(1.03); \/* \u30db\u30d0\u30fc\u3067\u8efd\u304f\u30ba\u30fc\u30e0 *\/\n}\n\n@media (max-width: 640px) {\n  .thumb-grid {\n    grid-template-columns: repeat(2, 1fr);\n    gap: 8px;\n  }\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30bf\u30fc\u30f32\uff1a\u5168\u5e45\u30d2\u30fc\u30ed\u30fc\u753b\u50cf\uff08\u30c8\u30c3\u30d7\u30da\u30fc\u30b8\uff09<\/h3>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-markup\" data-lang=\"HTML\"><code>&lt;section class=\"hero\"&gt;\n  &lt;img\n    src=\"hero.jpg\"\n    alt=\"\u30d6\u30e9\u30f3\u30c9\u30e1\u30a4\u30f3\u30d3\u30b8\u30e5\u30a2\u30eb\"\n    class=\"hero__img\"\n    fetchpriority=\"high\"\n    decoding=\"async\"\n  &gt;\n  &lt;div class=\"hero__text\"&gt;\n    &lt;h1&gt;\u3042\u306a\u305f\u306e\u66ae\u3089\u3057\u3092\u3001\u3082\u3063\u3068\u8c4a\u304b\u306b\u3002&lt;\/h1&gt;\n    &lt;a href=\"#contact\" class=\"hero__cta\"&gt;\u304a\u554f\u3044\u5408\u308f\u305b&lt;\/a&gt;\n  &lt;\/div&gt;\n&lt;\/section&gt;<\/code><\/pre><\/div>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.hero {\n  position: relative;\n  width: 100%;\n  overflow: hidden;\n}\n\n.hero__img {\n  display: block;\n  width: 100%;\n  height: 600px;\n  object-fit: cover;\n  object-position: center 30%; \/* \u7a7a\u304c\u591a\u3044\u5199\u771f\u306a\u3089\u4e0b\u5bc4\u308a\u306b\u8abf\u6574 *\/\n}\n\n.hero__text {\n  position: absolute;\n  inset: 0;\n  display: flex;\n  flex-direction: column;\n  align-items: center;\n  justify-content: center;\n  color: #fff;\n  background: rgba(0, 0, 0, 0.35); \/* \u30c6\u30ad\u30b9\u30c8\u306e\u53ef\u8aad\u6027\u3092\u78ba\u4fdd *\/\n  text-align: center;\n  padding: 24px;\n}\n\n.hero__cta {\n  display: inline-block;\n  margin-top: 24px;\n  padding: 14px 40px;\n  background: #d16176;\n  color: #fff;\n  text-decoration: none;\n  border-radius: 4px;\n  font-weight: bold;\n}\n\n@media (max-width: 640px) {\n  .hero__img {\n    height: 340px;\n    object-position: center center;\n  }\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30bf\u30fc\u30f33\uff1a\u4e38\u578b\u30a2\u30d0\u30bf\u30fc\uff08\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u30b9\u30bf\u30c3\u30d5\u7d39\u4ecb\uff09<\/h3>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-markup\" data-lang=\"HTML\"><code>&lt;div class=\"staff-card\"&gt;\n  &lt;img\n    src=\"staff01.jpg\"\n    alt=\"\u5c71\u7530 \u592a\u90ce\"\n    class=\"staff-card__avatar\"\n    loading=\"lazy\"\n  &gt;\n  &lt;p class=\"staff-card__name\"&gt;\u5c71\u7530 \u592a\u90ce&lt;\/p&gt;\n  &lt;p class=\"staff-card__role\"&gt;\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2&lt;\/p&gt;\n&lt;\/div&gt;<\/code><\/pre><\/div>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.staff-card {\n  display: flex;\n  flex-direction: column;\n  align-items: center;\n  gap: 8px;\n}\n\n.staff-card__avatar {\n  width: 120px;\n  height: 120px;\n  border-radius: 50%; \/* \u4e38\u304f\u3059\u308b *\/\n  object-fit: cover;\n  object-position: center top; \/* \u9854\u304c\u4e0a\u306b\u3042\u308b\u5199\u771f\u306b\u5bfe\u5fdc *\/\n  border: 3px solid #EFBDB7;\n}\n\n.staff-card__name {\n  font-weight: bold;\n  margin: 0;\n}\n\n.staff-card__role {\n  color: #666;\n  font-size: 0.875rem;\n  margin: 0;\n}<\/code><\/pre><\/div>\n\n<p class=\"wp-block-paragraph\">border-radius: 50%\u3092\u4f7f\u3048\u3070\u3001\u6b63\u65b9\u5f62\u306e\u67a0\u3092\u305d\u306e\u307e\u307e\u5186\u5f62\u306b\u3067\u304d\u308b\u3002object-fit: cover\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u7e26\u6a2a\u6bd4\u304c\u30d0\u30e9\u30d0\u30e9\u306a\u5199\u771f\u3067\u3082\u5e38\u306b\u9854\u304c\u4e2d\u592e\u306b\u8868\u793a\u3055\u308c\u308b\u30a2\u30d0\u30bf\u30fc\u304c\u5b8c\u6210\u3059\u308b\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\uff1a\u753b\u9762\u5e45\u306b\u3042\u308f\u305b\u3066\u6bd4\u7387\u3092\u5909\u3048\u308b<\/h2>\n\n\n<p class=\"wp-block-paragraph\">PC\u3067\u306f\u6a2a\u9577\uff0816:9\uff09\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3067\u306f\u6b63\u65b9\u5f62\uff081:1\uff09\u306a\u3069\u3001\u30c7\u30d0\u30a4\u30b9\u306b\u3088\u3063\u3066\u6700\u9069\u306a\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u304c\u7570\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u3068aspect-ratio\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u67d4\u8edf\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u3067aspect-ratio\u3092\u5207\u308a\u66ff\u3048\u308b<\/h3>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.featured-img {\n  width: 100%;\n  object-fit: cover;\n  object-position: center;\n  display: block;\n}\n\n\/* PC\uff1a\u6a2a\u9577 *\/\n@media (min-width: 641px) {\n  .featured-img {\n    aspect-ratio: 16 \/ 9;\n  }\n}\n\n\/* \u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\uff1a\u6b63\u65b9\u5f62\u306b\u8fd1\u3044\u6bd4\u7387 *\/\n@media (max-width: 640px) {\n  .featured-img {\n    aspect-ratio: 4 \/ 3;\n  }\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">CSS\u30ab\u30b9\u30bf\u30e0\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u6bd4\u7387\u3092\u52d5\u7684\u306b\u7ba1\u7406\u3059\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">\u8907\u6570\u7b87\u6240\u3067\u6bd4\u7387\u3092\u4f7f\u3044\u56de\u3059\u5834\u5408\u3001CSS\u30ab\u30b9\u30bf\u30e0\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u4e00\u5143\u7ba1\u7406\u3059\u308b\u3068\u4fdd\u5b88\u6027\u304c\u4e0a\u304c\u308b\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>:root {\n  --ratio-hero: 16 \/ 9;\n  --ratio-card: 3 \/ 2;\n  --ratio-square: 1 \/ 1;\n}\n\n.hero__img {\n  width: 100%;\n  aspect-ratio: var(--ratio-hero);\n  object-fit: cover;\n}\n\n.card__img {\n  width: 100%;\n  aspect-ratio: var(--ratio-card);\n  object-fit: cover;\n}\n\n@media (max-width: 640px) {\n  :root {\n    --ratio-hero: 4 \/ 3; \/* \u30e2\u30d0\u30a4\u30eb\u3067\u306f\u6bd4\u7387\u3092\u5909\u66f4 *\/\n  }\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">srcset\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u89e3\u50cf\u5ea6\u30fb\u6bd4\u7387\u3092\u4e21\u7acb\u3059\u308b<\/h3>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-markup\" data-lang=\"HTML\"><code>&lt;img\n  class=\"responsive-img\"\n  src=\"image-800.jpg\"\n  srcset=\"image-400.jpg 400w, image-800.jpg 800w, image-1600.jpg 1600w\"\n  sizes=\"(max-width: 640px) 100vw, 50vw\"\n  alt=\"\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u753b\u50cf\u306e\u4f8b\"\n  loading=\"lazy\"\n&gt;<\/code><\/pre><\/div>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.responsive-img {\n  width: 100%;\n  aspect-ratio: 16 \/ 9;\n  object-fit: cover;\n  display: block;\n}<\/code><\/pre><\/div>\n\n<p class=\"wp-block-paragraph\">srcset\u3067\u30d6\u30e9\u30a6\u30b6\u304c\u6700\u9069\u306a\u89e3\u50cf\u5ea6\u306e\u753b\u50cf\u3092\u9078\u3073\u3001object-fit\u3067\u6bd4\u7387\u30fb\u30c8\u30ea\u30df\u30f3\u30b0\u3092\u5236\u5fa1\u3059\u308b\u3002\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u898b\u305f\u76ee\u3092\u4e21\u7acb\u3055\u305b\u308b\u73fe\u4ee3\u7684\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3060\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u30df\u30b9\u3068\u5bfe\u51e6\u6cd5<\/h2>\n\n\n<h3 class=\"wp-block-heading\">\u30df\u30b91\uff1awidth\u304bheight\u306e\u3069\u3061\u3089\u304b\u4e00\u65b9\u3057\u304b\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044<\/h3>\n\n<p class=\"wp-block-paragraph\">object-fit\u304c\u6a5f\u80fd\u3059\u308b\u306b\u306f\u3001<strong>width\u3068height\u306e\u4e21\u65b9\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b<\/strong>\u3002\u7247\u65b9\u3060\u3051\u3060\u3068\u753b\u50cf\u306f\u901a\u5e38\u306e\u81ea\u52d5\u30ea\u30b5\u30a4\u30ba\u306b\u306a\u308a\u3001object-fit\u306f\u7121\u52b9\u306b\u306a\u308b\u3002aspect-ratio\u3092\u4f7f\u3046\u5834\u5408\u306fwidth\u3068aspect-ratio\u306e\u7d44\u307f\u5408\u308f\u305b\u3067height\u304c\u81ea\u52d5\u8a08\u7b97\u3055\u308c\u308b\u305f\u3081\u554f\u984c\u306a\u3044\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* NG\uff1awidth\u3057\u304b\u306a\u3044 \u2192 object-fit\u304c\u6a5f\u80fd\u3057\u306a\u3044 *\/\nimg {\n  width: 300px;\n  object-fit: cover; \/* \u52b9\u304b\u306a\u3044 *\/\n}\n\n\/* OK\uff1awidth\u3068height\u4e21\u65b9\u3092\u6307\u5b9a *\/\nimg {\n  width: 300px;\n  height: 200px;\n  object-fit: cover; \/* \u6b63\u5e38\u306b\u52d5\u304f *\/\n}\n\n\/* OK\uff1awidth\u3068aspect-ratio\u306e\u7d44\u307f\u5408\u308f\u305b *\/\nimg {\n  width: 100%;\n  aspect-ratio: 16 \/ 9;\n  object-fit: cover; \/* \u6b63\u5e38\u306b\u52d5\u304f *\/\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u30df\u30b92\uff1aimg\u306edisplay\u304cinline\u306e\u307e\u307e\u3067\u4f59\u767d\u304c\u51fa\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">img\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067inline\u8981\u7d20\u3002\u30a4\u30f3\u30e9\u30a4\u30f3\u8981\u7d20\u306f\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u63c3\u3048\u306b\u306a\u308b\u305f\u3081\u3001\u4e0b\u306b\u6570px\u306e\u4f59\u767d\u304c\u751f\u307e\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u7279\u306bimg\u3092\u56f2\u3080div\u3084li\u306e\u5e95\u306b\u8b0e\u306e\u7a7a\u767d\u304c\u51fa\u305f\u5834\u5408\u306f\u3053\u308c\u304c\u539f\u56e0\u3060\u3002<code>display: block<\/code>\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u89e3\u6d88\u3059\u308b\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>img {\n  display: block; \/* inline\u8981\u7d20\u306e\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u4f59\u767d\u3092\u89e3\u6d88 *\/\n  width: 100%;\n  aspect-ratio: 16 \/ 9;\n  object-fit: cover;\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u30df\u30b93\uff1adiv\u3084p\u306bobject-fit\u3092\u4f7f\u3063\u3066\u3044\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">\u7e70\u308a\u8fd4\u3057\u306b\u306a\u308b\u304cobject-fit\u306f\u7f6e\u63db\u8981\u7d20\uff08img, video\u7b49\uff09\u306b\u3057\u304b\u52b9\u304b\u306a\u3044\u3002div\u3084span\u306b\u6307\u5b9a\u3057\u3066\u3082\u4f55\u3082\u8d77\u304d\u306a\u3044\u3002div\u80cc\u666f\u306e\u5834\u5408\u306fbackground-size: cover\u3092\u4f7f\u3046\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u30df\u30b94\uff1aobject-position\u306e\u8ef8\u65b9\u5411\u3092\u9593\u9055\u3048\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">object-position\u306f<strong>\u300cX\uff08\u6c34\u5e73\uff09 Y\uff08\u5782\u76f4\uff09\u300d\u306e\u9806<\/strong>\u3002background-position\u3068\u540c\u3058\u9806\u5e8f\u306a\u306e\u3067\u6df7\u4e71\u3057\u306b\u304f\u3044\u304c\u3001\u300c\u4e0a\u306b\u3042\u308b\u9854\u3092\u898b\u305b\u305f\u3044\u300d\u306e\u306b<code>object-position: top<\/code>\u3060\u3051\u66f8\u3044\u3066\u52b9\u304b\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308b\u30021\u5024\u6307\u5b9a\u306e\u3068\u304d\u3001\u3082\u3046\u4e00\u65b9\u306e\u5024\u306fcenter\u306b\u306a\u308b\u3002\u610f\u56f3\u3057\u305f\u7d50\u679c\u304c\u51fa\u306a\u3044\u5834\u5408\u306f2\u5024\u3067\u660e\u793a\u7684\u306b\u66f8\u304f\u3053\u3068\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* 1\u5024\u6307\u5b9a\u306e\u3068\u304d\uff1a\u3082\u3046\u4e00\u65b9\u306fcenter *\/\nobject-position: top;         \/* = top center *\/\nobject-position: left;        \/* = left center *\/\n\n\/* \u610f\u56f3\u3092\u660e\u78ba\u306b\u3059\u308b\u306a\u30892\u5024\u3067\u66f8\u304f *\/\nobject-position: center top;  \/* \u6c34\u5e73\u4e2d\u592e\u3001\u5782\u76f4\u4e0a\u5bc4\u308a *\/<\/code><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/h2>\n\n\n<h3 class=\"wp-block-heading\">Q. object-fit\u3068background-size: cover\u306e\u898b\u305f\u76ee\u306f\u540c\u3058\u306a\u306e\u306b\u3001\u306a\u305cimg\u3092\u4f7f\u3046\u3079\u304d\u306a\u306e\uff1f<\/h3>\n\n<p class=\"wp-block-paragraph\">SEO\u3068\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u3067\u5927\u304d\u304f\u7570\u306a\u308b\u3002img\u30bf\u30b0\u306falt\u5c5e\u6027\u3092\u6301\u3066\u308b\u305f\u3081\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u3084\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306b\u753b\u50cf\u306e\u5185\u5bb9\u3092\u4f1d\u3048\u3089\u308c\u308b\u3002background-image\u306fCSS\u3067\u88c5\u98fe\u7684\u306b\u4f7f\u3046\u3082\u306e\u3068\u898b\u306a\u3055\u308c\u3001alt\u60c5\u5831\u3092\u6301\u3066\u306a\u3044\u3002\u307e\u305f\u3001loading=&#8221;lazy&#8221;\u30fbfetchpriority\u30fbsrcset\u306a\u3069\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u5c5e\u6027\u3082img\u3060\u3051\u304c\u4f7f\u3048\u308b\u3002\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u3057\u3066\u610f\u5473\u306e\u3042\u308b\u753b\u50cf\u306f\u5fc5\u305aimg\u30bf\u30b0\uff0bobject-fit\u3092\u9078\u3076\u3079\u304d\u3060\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">Q. aspect-ratio\u304c\u4f7f\u3048\u306a\u3044\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u306b\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\uff1f<\/h3>\n\n<p class=\"wp-block-paragraph\">aspect-ratio\u306fChrome 88\u30fbFirefox 89\u30fbSafari 15\u304b\u3089\u5bfe\u5fdc\u30022026\u5e74\u6642\u70b9\u3067\u5bfe\u5fdc\u7387\u306f98%\u4ee5\u4e0a\u3042\u308a\u3001\u307b\u3068\u3093\u3069\u306e\u6848\u4ef6\u3067\u306f\u554f\u984c\u306a\u3044\u3002\u3069\u3046\u3057\u3066\u3082\u65e7Safari 14\u4ee5\u4e0b\u306a\u3069\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5834\u5408\u306f\u3001<code>padding-top: 56.25%\uff08= 9\/16 \u00d7 100%\uff09<\/code>\u3092\u89aa\u306ediv\u306b\u5f53\u3066\u3001\u305d\u306e\u4e2d\u306bimg\u3092position: absolute\u3067\u914d\u7f6e\u3059\u308b\u65e7\u6765\u306e\u65b9\u6cd5\u3092\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3068\u3057\u3066\u4f7f\u3046\u3002@supports\u3067\u5206\u5c90\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\uff08aspect-ratio\u975e\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u7528\uff09 *\/\n.img-wrapper {\n  position: relative;\n  width: 100%;\n  padding-top: 56.25%; \/* 16:9 *\/\n}\n\n.img-wrapper img {\n  position: absolute;\n  inset: 0;\n  width: 100%;\n  height: 100%;\n  object-fit: cover;\n}\n\n\/* aspect-ratio\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u4e0a\u66f8\u304d *\/\n@supports (aspect-ratio: 16\/9) {\n  .img-wrapper {\n    padding-top: 0;\n    aspect-ratio: 16 \/ 9;\n  }\n\n  .img-wrapper img {\n    position: static;\n  }\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">Q. contain\u4f7f\u7528\u6642\u306b\u51fa\u308b\u4f59\u767d\uff08\u80cc\u666f\uff09\u306e\u8272\u3092\u5909\u3048\u305f\u3044<\/h3>\n\n<p class=\"wp-block-paragraph\">object-fit: contain\u3067\u51fa\u308b\u4f59\u767d\u90e8\u5206\u306fimg\u8981\u7d20\u81ea\u8eab\u306ebackground\u304c\u8868\u793a\u3055\u308c\u308b\u3002img\u306b<code>background-color<\/code>\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067\u5909\u3048\u3089\u308c\u308b\u3002\u767d\u3044\u4f59\u767d\u306b\u3057\u305f\u3044\u306a\u3089<code>background-color: #fff<\/code>\u3001\u900f\u904e\u306b\u3057\u305f\u3044\u306a\u3089\u80cc\u666f\u3092\u6307\u5b9a\u3057\u306a\u3044\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u306f\u900f\u660e\uff09\u3002PNG\u753b\u50cf\u3067\u900f\u904e\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u3082\u540c\u69d8\u306b\u5236\u5fa1\u3067\u304d\u308b\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.product-img {\n  width: 240px;\n  height: 240px;\n  object-fit: contain;\n  background-color: #f8f8f8; \/* \u4f59\u767d\u90e8\u5206\u306e\u8272 *\/\n  padding: 12px; \/* \u4f59\u767d\u3092\u3055\u3089\u306b\u5e83\u3052\u305f\u3044\u5834\u5408 *\/\n  box-sizing: border-box;\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">Q. Next.js\uff08next\/image\uff09\u3084Nuxt\uff08nuxt\/image\uff09\u3067\u3082object-fit\u306f\u4f7f\u3048\u308b\uff1f<\/h3>\n\n<p class=\"wp-block-paragraph\">\u4f7f\u3048\u308b\u3002Next.js\u306eImage\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306fstyle\u5c5e\u6027\u307e\u305f\u306fclassName\u3067object-fit\u3092\u6e21\u305b\u308b\u3002fill prop\u3092\u4f7f\u3046\u5834\u5408\u306f\u89aa\u8981\u7d20\u3092position: relative\u306b\u3057\u3001img\u306bposition: absolute\u304c\u81ea\u52d5\u3067\u5f53\u305f\u308b\u8a2d\u8a08\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u305d\u306e\u307e\u307eobject-fit: cover\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u3088\u3044\u3002Nuxt\/image\u3082\u540c\u69d8\u306bclass\u5c5e\u6027\u3067CSS\u3092\u5f53\u3066\u3089\u308c\u308b\u3002\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u56fa\u6709\u306e\u6700\u9069\u5316\uff08\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u30fb\u81ea\u52d5WebP\u5909\u63db\uff09\u3092\u6d3b\u304b\u3057\u3064\u3064\u3001\u30c8\u30ea\u30df\u30f3\u30b0\u306e\u5236\u5fa1\u306fCSS\u306b\u59d4\u306d\u308b\u5f62\u306b\u306a\u308b\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">Q. CSS\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067object-position\u3092\u52d5\u304b\u3059\u3053\u3068\u306f\u3067\u304d\u308b\uff1f<\/h3>\n\n<p class=\"wp-block-paragraph\">\u3067\u304d\u308b\u3002object-position\u306ftransition\u3068animation\u306e\u5bfe\u8c61\u306b\u3067\u304d\u308b\u305f\u3081\u3001\u30db\u30d0\u30fc\u3084\u30b9\u30af\u30ed\u30fc\u30eb\u306b\u3042\u308f\u305b\u3066\u8868\u793a\u4f4d\u7f6e\u3092\u30b9\u30e9\u30a4\u30c9\u3055\u305b\u308b\u8868\u73fe\u304c\u53ef\u80fd\u3060\u3002\u305f\u3060\u3057GPU\u30b3\u30f3\u30dd\u30b8\u30c3\u30c8\u30ec\u30a4\u30e4\u30fc\u306b\u306f\u4e57\u3089\u306a\u3044\uff08transform\u306e\u3088\u3046\u306b\u9ad8\u901f\u3067\u306f\u306a\u3044\uff09\u305f\u3081\u3001\u591a\u6570\u306e\u8981\u7d20\u306b\u540c\u6642\u306b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3055\u305b\u308b\u3068\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u304c\u843d\u3061\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066will-change: object-position\u3092\u691c\u8a0e\u3059\u308b\u304c\u3001\u57fa\u672c\u7684\u306b\u306f\u614e\u91cd\u306b\u4f7f\u3046\u3053\u3068\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.img-animate {\n  width: 300px;\n  height: 200px;\n  object-fit: cover;\n  object-position: center 30%;\n  transition: object-position 0.5s ease;\n}\n\n.img-animate:hover {\n  object-position: center 70%; \/* \u30db\u30d0\u30fc\u3067\u8868\u793a\u4f4d\u7f6e\u304c\u4e0b\u306b\u30b9\u30e9\u30a4\u30c9 *\/\n}<\/code><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n<p class=\"wp-block-paragraph\">object-fit\u306f\u300c\u753b\u50cf\u306e\u898b\u305f\u76ee\u3092CSS\u3067\u5b8c\u5168\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u305f\u3081\u306e\u6838\u5fc3\u30d7\u30ed\u30d1\u30c6\u30a3\u300d\u3060\u3002\u4f7f\u3044\u3053\u306a\u305b\u308c\u3070\u3001\u3069\u3093\u306a\u30b5\u30a4\u30ba\u306e\u753b\u50cf\u304c\u5165\u3063\u3066\u304d\u3066\u3082\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u5d29\u308c\u306a\u3044\u30b3\u30fc\u30c9\u304c\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308b\u3002aspect-ratio\u30fbobject-position\u30fbsrcset\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u898b\u305f\u76ee\u30fb\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30fb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3092\u3059\u3079\u3066\u4e21\u7acb\u3067\u304d\u308b\u3002<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30d5\u30a9\u30eb\u30c8\uff08fill\uff09\u306f\u4f7f\u308f\u306a\u3044\u3002cover\u30fbcontain\u3092\u76ee\u7684\u306b\u5fdc\u3058\u3066\u9078\u3076<\/li>\n<li>\u30ab\u30fc\u30c9\u30fb\u30b5\u30e0\u30cd\u30a4\u30eb\u306b\u306f<strong>cover + aspect-ratio<\/strong>\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u30b5\u30a4\u30ba\u3092\u7d71\u4e00\u3059\u308b<\/li>\n<li>\u8868\u793a\u3057\u305f\u3044\u4f4d\u7f6e\u306f<strong>object-position<\/strong>\u3067\u7d30\u304b\u304f\u6307\u5b9a\u3059\u308b<\/li>\n<li>\u30b3\u30f3\u30c6\u30f3\u30c4\u753b\u50cf\u306fimg\u30bf\u30b0\uff0bobject-fit\u3001\u88c5\u98fe\u80cc\u666f\u306fbackground-size\u3068\u4f7f\u3044\u5206\u3051\u308b<\/li>\n<li>\u30d2\u30fc\u30ed\u30fc\u753b\u50cf\u306fimg\u30bf\u30b0\uff0bfetchpriority=&#8221;high&#8221;\u3067LCP\u3092\u6700\u9069\u5316\u3059\u308b<\/li>\n<li>video\u30bf\u30b0\u306b\u3082\u540c\u3058\u8a18\u6cd5\u3067object-fit: cover\u304c\u4f7f\u3048\u308b<\/li>\n<li>img\u306fdisplay: block\u306b\u3057\u3066\u30a4\u30f3\u30e9\u30a4\u30f3\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u4f59\u767d\u3092\u6d88\u3059\u7fd2\u6163\u3092\u3064\u3051\u308b<\/li>\n<li>width\u3068height\uff08\u307e\u305f\u306faspect-ratio\uff09\u306e\u4e21\u65b9\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068object-fit\u306f\u6a5f\u80fd\u3057\u306a\u3044<\/li>\n<\/ul>\n\n\n\n\n<!-- withmedia-related -->\n<h2 class=\"wp-block-heading\">\u95a2\u9023\u8a18\u4e8b<\/h2>\n\n\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/withcode.tech\/media\/css-border-radius\/\">CSS border-radius\u3067\u89d2\u4e38\u3092\u4f5c\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/heroimage-guide\/\">\u30d2\u30fc\u30ed\u30fc\u30a4\u30e1\u30fc\u30b8\u3068\u306f\uff5c\u30e1\u30a4\u30f3\u30d3\u30b8\u30e5\u30a2\u30eb\u8a2d\u8a08<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/css-table-design\/\">CSS\u3067\u304a\u3057\u3083\u308c\u306a\u8868\uff08\u30c6\u30fc\u30d6\u30eb\uff09\u3092\u4f5c\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/webdesign-first-view-size-description\/\">\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306e\u9ad8\u3055\u30fb\u30b5\u30a4\u30ba\u6700\u9069\u89e3<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/css-media-query\/\">CSS\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u5b8c\u5168\u30ac\u30a4\u30c9\uff5c\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/css-webdesign-technique-map\/\">CSS\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af\u5b8c\u5168\u30de\u30c3\u30d7<\/a><\/li>\n<\/ul>\n\n\n\n\n<!-- addon:newlink-ar-v1 -->\n<p class=\"wp-block-paragraph\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044\uff1a<a href=\"https:\/\/withcode.tech\/media\/css-aspect-ratio\/\">CSS aspect-ratio\u306e\u4f7f\u3044\u65b9\uff5c\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u3092\u4fdd\u3064\u65b9\u6cd5<\/a><\/p>\n\n\n<h2 class=\"wp-block-heading\">WithCode\u3092\u4f53\u9a13\u3067\u304d\u308b\u521d\u7d1a\u30b3\u30fc\u30b9\u516c\u958b\u4e2d\uff01<\/h2>\n\n<figure class=\"wp-block-image alignleft size-full\"><img decoding=\"async\" width=\"600\" height=\"500\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/04\/\u30d0\u30ca\u30fc_300\u00d7250_20240425.png\" alt=\"WithCode\u3092\u4f53\u9a13\u3067\u304d\u308b\u521d\u7d1a\u30b3\u30fc\u30b9\u516c\u958b\u4e2d\uff01\" class=\"wp-image-2650\"\/><\/figure>\n\n<h3 class=\"wp-block-heading\">\u521d\u7d1a\u30b3\u30fc\u30b9(\u00a549,800)\u304c\u5b8c\u5168\u7121\u6599\u306b\uff01<\/h3>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u671f\u9593\uff1a1\u9031\u9593<\/strong><\/li>\n<li><strong>\u5b66\u7fd2\u5185\u5bb9\uff1a<\/strong><br><strong>\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\/\u57fa\u790e\u77e5\u8b58\/\u74b0\u5883\u69cb\u7bc9\/HTML\/CSS\/LP\u30fb\u30dd\u30fc\u30c8\u30d5\u30a9\u30ea\u30aa\u4f5c\u6210<\/strong><br><strong>\u2192 <span class=\"swl-marker mark_yellow\">\u6b63\u3057\u3044\u5b66\u7fd2\u65b9\u6cd5\u3067\u300c\u78ba\u304b\u306a\u6210\u9577\u300d\u3092\u5b9f\u611f\u3067\u304d\u308b\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u3002<\/span><\/strong><\/li>\n<\/ul>\n\n<p>\u526f\u696d\u30fb\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u304c\u4e3b\u6d41\u306b\u306a\u3063\u3066\u3044\u308b\u4eca\u3053\u305d\u3001\u81ea\u3089\u306e\u30b9\u30ad\u30eb\u3067\u7a3c\u3052\u308b\u4eba\u6750\u3092\u76ee\u6307\u3057\u3066\u307f\u307e\u305b\u3093\u304b\uff1f<\/p>\n\n<p>\u672a\u7d4c\u9a13\u3067\u3082\u5fc3\u914d\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u521d\u7d1a\u30b3\u30fc\u30b9\u3092\u53d7\u8b1b\u3055\u308c\u308b\u65b9\u306e\u5927\u591a\u6570\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u672a\u7d4c\u9a13\u3067\u3059\u3002\u307e\u305a\u306f\u7121\u6599\u30ab\u30a6\u30f3\u30bb\u30ea\u30f3\u30b0\u3067\u3001\u60a9\u307f\u3084\u4e0d\u5b89\u3092\u304a\u805e\u304b\u305b\u304f\u3060\u3055\u3044\uff01<\/p>\n\n<div class=\"wp-block-buttons\"><div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/withcode.tech\/reservation\/\" style=\"background-color:#ffbf00\"><strong>\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u7121\u6599\u30ab\u30a6\u30f3\u30bb\u30ea\u30f3\u30b0\u306b\u7533\u3057\u8fbc\u3080 \u2192<\/strong><\/a><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Web\u30b5\u30a4\u30c8\u306b\u753b\u50cf\u3092\u914d\u7f6e\u3057\u305f\u3068\u304d\u3001\u300c\u7e26\u6a2a\u6bd4\u304c\u304a\u304b\u3057\u304f\u306a\u3063\u3066\u4eba\u7269\u304c\u6a2a\u306b\u6f70\u308c\u305f\u300d\u300c\u4f59\u767d\u3060\u3089\u3051\u3067\u4f59\u3063\u3066\u3057\u307e\u3063\u305f\u300d\u300c\u30ab\u30fc\u30c9\u578b\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u753b\u50cf\u306e\u9ad8\u3055\u304c\u30d0\u30e9\u30d0\u30e9\u306b\u306a\u3063\u305f\u300d\u2014\u2014\u305d\u3093\u306a\u7d4c\u9a13\u306f\u306a\u3044\u3060\u308d\u3046\u304b\u3002\u3053\u308c\u3089\u306f\u3059\u3079\u3066\u3001CSS\u306eobje [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":18292,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"swell_btn_cv_data":"","footnotes":"","vk-ltc-link":"","vk-ltc-target":""},"categories":[361],"tags":[],"class_list":["post-18163","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-css"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/posts\/18163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/comments?post=18163"}],"version-history":[{"count":2,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/posts\/18163\/revisions"}],"predecessor-version":[{"id":18781,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/posts\/18163\/revisions\/18781"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/media\/18292"}],"wp:attachment":[{"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/media?parent=18163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/categories?post=18163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/tags?post=18163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}