{"id":499,"date":"2025-05-04T19:20:28","date_gmt":"2025-05-04T10:20:28","guid":{"rendered":"https:\/\/torakappa-site.com\/?p=499"},"modified":"2026-02-23T16:07:50","modified_gmt":"2026-02-23T07:07:50","slug":"css%e3%81%a0%e3%81%91%e3%81%a7%e3%82%b9%e3%83%86%e3%83%83%e3%83%97%e8%a1%a8%e7%a4%ba%ef%bc%81%e3%82%ab%e3%82%a6%e3%83%b3%e3%82%bf%e3%83%bc%e3%81%a8%e7%b8%a6%e7%b7%9a%e3%81%a7%e3%82%bf%e3%82%a4","status":"publish","type":"post","link":"https:\/\/torakappa-site.com\/?p=499","title":{"rendered":"CSS\u3060\u3051\u3067\u30b9\u30c6\u30c3\u30d7\u8868\u793a\uff01\u30ab\u30a6\u30f3\u30bf\u30fc\u3068\u7e26\u7dda\u3067\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"\n<h2 id=\"%25e4%25bd%259c%25e6%2588%2590%25e3%2581%2599%25e3%2582%258b%25e3%2582%2582%25e3%2581%25ae\" class=\"wp-block-heading\">\u4f5c\u6210\u3059\u308b\u3082\u306e<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"806\" height=\"462\" src=\"https:\/\/torakappa-site.com\/wp-content\/uploads\/2025\/05\/step-img-2.png\" alt=\"\" class=\"wp-image-501\" srcset=\"https:\/\/torakappa-site.com\/wp-content\/uploads\/2025\/05\/step-img-2.png 806w, https:\/\/torakappa-site.com\/wp-content\/uploads\/2025\/05\/step-img-2-300x172.png 300w, https:\/\/torakappa-site.com\/wp-content\/uploads\/2025\/05\/step-img-2-768x440.png 768w\" sizes=\"auto, (max-width: 806px) 100vw, 806px\" \/><\/figure>\n\n\n\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306a\u30c7\u30b6\u30a4\u30f3\u306e\u5b9f\u88c5\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u304c\u9577\u304f\u306a\u3063\u305f\u308a\u7b49\u3082\u8003\u616e\u3057\u306a\u3044\u3068\u3001\u8868\u793a\u304c\u5d29\u308c\u3066\u3057\u307e\u3046\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30ab\u30a6\u30f3\u30bf\u30fc\u6a5f\u80fd\u7b49\u3092\u4f7f\u3063\u3066\u5bfe\u5fdc\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-default-tab=\"html,result\" data-slug-hash=\"qEEYWXj\" data-pen-title=\"\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\" data-user=\"sawakei\" 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\/sawakei\/pen\/qEEYWXj\">\n  \u30bf\u30a4\u30e0\u30e9\u30a4\u30f3<\/a> by keiichisawai (<a href=\"https:\/\/codepen.io\/sawakei\">@sawakei<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<h2 id=\"%25e8%25a7%25a3%25e8%25aa%25ac%25e3%2581%2599%25e3%2582%258b%25e3%2583%259d%25e3%2582%25a4%25e3%2583%25b3%25e3%2583%2588\" class=\"wp-block-heading\">\u89e3\u8aac\u3059\u308b\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<h3 id=\"%25e3%2582%25b9%25e3%2583%2586%25e3%2583%2583%25e3%2583%2597%25e7%2595%25aa%25e5%258f%25b712%25e3%2581%25afcss%25e3%2581%25ae%25e3%2582%25ab%25e3%2582%25a6%25e3%2583%25b3%25e3%2582%25bf%25e3%2583%25bc%25e6%25a9%259f%25e8%2583%25bd%25e3%2581%25a7%25e5%25ae%259f%25e8%25a3%2585%25e3%2581%2599%25e3%2582%258b\" class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d7\u756a\u53f7\uff081\u30012\u3001\u2026\uff09\u306fCSS\u306e\u30ab\u30a6\u30f3\u30bf\u30fc\u6a5f\u80fd\u3067\u5b9f\u88c5\u3059\u308b<\/h3>\n\n\n\n<p>HTML\u5185\u306b\u6570\u5024\u3092\u76f4\u63a5\u66f8\u304f\u3001\u3044\u308f\u3086\u308b\u6c7a\u3081\u6253\u3061\u306e\u65b9\u6cd5\u3067\u3082\u5b9f\u88c5\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001\u8981\u7d20\u304c\u5897\u6e1b\u3059\u308b\u305f\u3073\u306b\u5024\u3092\u5909\u66f4\u3059\u308b\u306e\u306f\u624b\u9593\u306a\u306e\u3067\u3001CSS\u306e\u30ab\u30a6\u30f3\u30bf\u30fc\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u5b9f\u88c5\u3059\u308b\u306e\u304c\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u30ea\u30bb\u30c3\u30c8 *\/\n.container {\n  counter-reset: step-index;\n}\n\n\/* \u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u5897\u3084\u3059 *\/\n.step {\n  counter-increment: step-index;\n}\n\n\/* \u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u51fa\u529b *\/\n.step-title::before {\n  content: counter(step-index);\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>counter-reset<\/strong>\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3001\u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u307e\u3059\u3002<strong>counter-increment<\/strong>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3046\u4e8b\u3067\u3001step\u30af\u30e9\u30b9\u304c\u73fe\u308c\u308b\u4e8b\u306b\u30ab\u30a6\u30f3\u30bf\u3092\u5897\u3084\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br><strong>content\u30d7\u30ed\u30d1\u30c6\u30a3\u3067 counter(\u2026)<\/strong> \u3092\u4f7f\u3063\u3066\u3001\u30ab\u30a6\u30f3\u30bf\u30fc\u306e\u5024\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 id=\"0%25e3%2581%258b%25e3%2582%2589%25e8%25a1%25a8%25e7%25a4%25ba%25e3%2581%2597%25e3%2581%259f%25e3%2581%2584%25e5%25a0%25b4%25e5%2590%2588\" class=\"wp-block-heading\">0\u304b\u3089\u8868\u793a\u3057\u305f\u3044\u5834\u5408<\/h4>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.step {\n  counter-increment: step-index -1;\n}<\/code><\/pre><\/div>\n\n\n\n<p>counter-reset\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3046\u3068\u3001\u30ab\u30a6\u30f3\u30bf\u30fc\u306f0\u304b\u3089\u30b9\u30bf\u30fc\u30c8\u3057\u307e\u3059\u3002counter-increment\u30671\u3068\u306a\u308a\u3001\u8868\u793a\u3055\u308c\u307e\u3059\u306e\u3067\u30010\u21921\u21922\u3068\u8868\u793a\u3055\u305b\u305f\u3044\u5834\u5408\u3001\u30ab\u30a6\u30f3\u30bf\u30fc\u306e\u521d\u671f\u5024\u3092-1\u3068\u3059\u308b\u305f\u3081\u306b\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"%25e7%25b8%25a6%25e3%2581%25ae%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%25b3%25e3%2581%25af%25e5%2590%2584%25e3%2582%25bb%25e3%2582%25af%25e3%2582%25b7%25e3%2583%25a7%25e3%2583%25b3%25e3%2582%2592%25e5%259b%25b2%25e3%2582%2580%25e8%25a6%2581%25e7%25b4%25a0%25e3%2581%25ae%25e5%25b7%25a6%25e5%2581%25b4%25e3%2581%25ab%25e7%2596%2591\" class=\"wp-block-heading\">\u7e26\u306e\u30e9\u30a4\u30f3\u306f\u3001\u5404\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u56f2\u3080\u8981\u7d20\u306e\u5de6\u5074\u306b\u3001\u7591\u4f3c\u8981\u7d20\u3092\u4f7f\u3063\u3066\u63cf\u753b<\/h3>\n\n\n\n<p>\u6570\u5024\u3092\u3064\u306a\u3050\u7e26\u306e\u30e9\u30a4\u30f3\u3067\u3059\u304c\u3001\u30c6\u30ad\u30b9\u30c8\u304c\u5897\u6e1b\u3057\u305f\u6642\u306b\u7dda\u304c\u5207\u308c\u3066\u3057\u307e\u308f\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.step \u30af\u30e9\u30b9\u306e\u9ad8\u3055\u306f\u30c6\u30ad\u30b9\u30c8\u91cf\u306b\u5fdc\u3058\u3066\u5909\u5316\u3059\u308b\u305f\u3081\u3001\u305d\u308c\u306b\u5408\u308f\u305b\u3066\u7e26\u7dda\u3082\u4f38\u7e2e\u3059\u308b\u3088\u3046\u3001\u7591\u4f3c\u8981\u7d20\u3092\u4f7f\u3063\u3066\u63cf\u753b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u7e26\u7dda\u306e\u4f4d\u7f6e\u306e\u57fa\u6e96\u3092\u8a2d\u5b9a *\/\n.step {\n  position: relative;\n}\n\n\/* \u7e26\u7dda\u306e\u63cf\u753b *\/\n.step:not(:last-child)::before {\n  position: absolute;\n  top: 0;\n  left: 25px;\n  width: 3px;\n  height: 100%;\n  content: &quot;&quot;;\n  background-color: #e5e9f0;\n}\n\n\/* \u7e26\u7dda\u304c\u6570\u5024\u30d0\u30c3\u30b8\u306e\u80cc\u9762\u306b\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b z-index \u3092\u8a2d\u5b9a\u3059\u308b *\/\n.step-title::before {\n  z-index: 1;\n}<\/code><\/pre><\/div>\n\n\n\n<h2 id=\"%25e3%2582%25b3%25e3%2583%25bc%25e3%2583%2589%25e5%2585%25a8%25e6%2596%2587\" class=\"wp-block-heading\">\u30b3\u30fc\u30c9\u5168\u6587<\/h2>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;div class=&quot;container&quot;&gt;\n  &lt;section class=&quot;step&quot;&gt;\n    &lt;h2 class=&quot;step-title&quot;&gt;\u304a\u7533\u3057\u8fbc\u307f&lt;\/h2&gt;\n    &lt;p class=&quot;step-text&quot;&gt;\n      \u5f0a\u793e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u5c02\u7528\u30d5\u30a9\u30fc\u30e0\u306b\u5fc5\u8981\u4e8b\u9805\u3092\u3054\u5165\u529b\u306e\u3046\u3048\u9001\u4fe1\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9001\u4fe1\u5f8c\u3001\u62c5\u5f53\u8005\u3088\u308a\u30b5\u30fc\u30d3\u30b9\u5185\u5bb9\u306e\u8a73\u7d30\u3084\u304a\u898b\u7a4d\u308a\u306b\u3064\u3044\u30662\u55b6\u696d\u65e5\u4ee5\u5185\u306b\u3054\u9023\u7d61\u3044\u305f\u3057\u307e\u3059\u306e\u3067\u3001\u3054\u4e0d\u660e\u70b9\u304c\u3042\u308c\u3070\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002\n    &lt;\/p&gt;\n  &lt;\/section&gt;\n  &lt;section class=&quot;step&quot;&gt;\n    &lt;h2 class=&quot;step-title&quot;&gt;\u3054\u5951\u7d04&lt;\/h2&gt;\n    &lt;p class=&quot;step-text&quot;&gt;\n      \u3054\u63d0\u6848\u5185\u5bb9\u3084\u304a\u898b\u7a4d\u308a\u306b\u3054\u7d0d\u5f97\u3044\u305f\u3060\u3051\u307e\u3057\u305f\u3089\u3001\u5951\u7d04\u66f8\u3092\u3054\u78ba\u8a8d\u306e\u3046\u3048\u7f72\u540d\u30fb\u62bc\u5370\u3092\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\u3002\u5951\u7d04\u624b\u7d9a\u304d\u5b8c\u4e86\u5f8c\u3001\u5951\u7d04\u66f8\u306e\u63a7\u3048\u3092\u30e1\u30fc\u30eb\u307e\u305f\u306f\u90f5\u9001\u306b\u3066\u304a\u9001\u308a\u3044\u305f\u3057\u307e\u3059\u3002\n    &lt;\/p&gt;\n  &lt;\/section&gt;\n  &lt;section class=&quot;step&quot;&gt;\n    &lt;h2 class=&quot;step-title&quot;&gt;\u30b5\u30fc\u30d3\u30b9\u958b\u59cb&lt;\/h2&gt;\n    &lt;p class=&quot;step-text&quot;&gt;\n      \u5951\u7d04\u624b\u7d9a\u304d\u304c\u5b8c\u4e86\u6b21\u7b2c\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c1\u30fc\u30e0\u304c\u7de8\u6210\u3055\u308c\u3001\u521d\u56de\u30df\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u7d4c\u3066\u30b5\u30fc\u30d3\u30b9\u3092\u6b63\u5f0f\u306b\u958b\u59cb\u3057\u307e\u3059\u3002\u9032\u6357\u72b6\u6cc1\u306f\u5b9a\u671f\u7684\u306b\u3054\u5831\u544a\u3057\u3001\u304a\u5ba2\u69d8\u306e\u3054\u8981\u671b\u306b\u5fdc\u3058\u3066\u67d4\u8edf\u306b\u5bfe\u5fdc\u3044\u305f\u3057\u307e\u3059\u3002\n    &lt;\/p&gt;\n  &lt;\/section&gt;\n&lt;\/div&gt;<\/code><\/pre><\/div>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.container {\n  width: min(90%, 760px);\n  padding: 40px 0;\n  margin-inline: auto;\n  \/* \u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u30ea\u30bb\u30c3\u30c8 *\/\n  counter-reset: step-index;\n}\n\n.step {\n  position: relative;\n  padding-bottom: 40px;\n  \/* \u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u5897\u3084\u3059 *\/\n  counter-increment: step-index;\n}\n\n\/* \u7e26\u7dda\u306e\u63cf\u753b *\/\n.step:not(:last-child)::before {\n  position: absolute;\n  top: 0;\n  left: 25px;\n  width: 3px;\n  height: 100%;\n  content: &quot;&quot;;\n  background-color: #e5e9f0;\n}\n\n.step-title {\n  display: grid;\n  grid-template-columns: 50px 1fr;\n  gap: 20px;\n  align-items: center;\n  font-size: 24px;\n  font-weight: bold;\n  color: #3b4252;\n}\n\n.step-title::before {\n  z-index: 1;\n  display: grid;\n  place-items: center;\n  width: 50px;\n  height: 50px;\n  font-size: 18px;\n  font-weight: bold;\n  color: #fff;\n  content: counter(step-index);\n  background-color: #81a1c1;\n}\n\n.step-text {\n  padding-left: 73px;\n  font-size: 16px;\n  line-height: 1.5;\n  color: #4c566a;\n}<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u6210\u3059\u308b\u3082\u306e \u4e0a\u8a18\u306e\u3088\u3046\u306a\u30c7\u30b6\u30a4\u30f3\u306e\u5b9f\u88c5\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u304c\u9577\u304f\u306a\u3063\u305f\u308a\u7b49\u3082\u8003\u616e\u3057\u306a\u3044\u3068\u3001\u8868\u793a\u304c\u5d29\u308c\u3066\u3057\u307e\u3046\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30ab\u30a6\u30f3\u30bf\u30fc\u6a5f\u80fd\u7b49\u3092\u4f7f\u3063\u3066\u5bfe\u5fdc\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002 See the Pen \u30bf\u30a4\u30e0\u30e9\u30a4\u30f3 by keiic [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":507,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[38,29],"class_list":["post-499","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-coding-blog","tag-counter","tag-css"],"_links":{"self":[{"href":"https:\/\/torakappa-site.com\/index.php?rest_route=\/wp\/v2\/posts\/499","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/torakappa-site.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/torakappa-site.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/torakappa-site.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/torakappa-site.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=499"}],"version-history":[{"count":6,"href":"https:\/\/torakappa-site.com\/index.php?rest_route=\/wp\/v2\/posts\/499\/revisions"}],"predecessor-version":[{"id":510,"href":"https:\/\/torakappa-site.com\/index.php?rest_route=\/wp\/v2\/posts\/499\/revisions\/510"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torakappa-site.com\/index.php?rest_route=\/wp\/v2\/media\/507"}],"wp:attachment":[{"href":"https:\/\/torakappa-site.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torakappa-site.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=499"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torakappa-site.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}