{"id":11746,"date":"2026-04-20T13:42:21","date_gmt":"2026-04-20T04:42:21","guid":{"rendered":"https:\/\/code-plus.jp\/gp\/?page_id=11746"},"modified":"2026-04-22T21:16:03","modified_gmt":"2026-04-22T12:16:03","slug":"specificity-calculator","status":"publish","type":"page","link":"https:\/\/code-plus.jp\/gp\/tools\/specificity-calculator\/","title":{"rendered":"CSS\u30bb\u30ec\u30af\u30bf \u8a73\u7d30\u5ea6\u8a08\u7b97\u30c4\u30fc\u30eb"},"content":{"rendered":"<!-- \u25bc.page-CSS\u30bb\u30ec\u30af\u30bf \u8a73\u7d30\u5ea6\u8a08\u7b97\u30c4\u30fc\u30eb \uff08\/tools\/specificity-calculator\/\uff09\r\n* \u30da\u30fc\u30b8\u30af\u30e9\u30b9\uff1apg-saracnvtvkaa\uff08WordPress\u304c\u5c0f\u6587\u5b57\u3067\u3057\u304b\u51fa\u529b\u3067\u304d\u306a\u3044\u305f\u3081\uff09\r\n* \u8b58\u5225\u30b3\u30fc\u30c9\uff1acnvtVkaA\uff08section\/dept \u306e\u30af\u30e9\u30b9\u540d, \u753b\u50cf\u540d\u306b\u4f7f\u7528\uff09\r\n====================================== -->\r\n\r\n<div class=\"pg-saracnvtvkaa\">\r\n\r\n<!-- .mezzala\uff08\u4f59\u767d\u8abf\u6574\uff1apage\u4e0a\uff09 -->\r\n<hr class=\"spacer-mezzala\" \/>\r\n\r\n<hr id=\"ch-TextConverter\" anchor \/>\r\n  <header class=\"page-header mx-auto\">\r\n    <!-- \u30d1\u30f3\u304f\u305a\u30ea\u30b9\u30c8 --><div><!-- breadcrumb.php -->\n\n<nav class=\"breadcrumb leckermaul mx-auto py-0.5r\">\n  <ul class=\"breadcrumb-wrapper\">\n    <!-- \u30c8\u30c3\u30d7\u30da\u30fc\u30b8\u3078\u306e\u30ea\u30f3\u30af\u3092\u8868\u793a -->\n    <li><a href=\"https:\/\/code-plus.jp\/gp\/\"><i><\/i>\u30c8\u30c3\u30d7<\/a><\/li>\n\n          <!-- \u56fa\u5b9a\u30da\u30fc\u30b8\uff08\u305d\u308c\u4ee5\u5916\uff09\uff1a \u5148\u7956\u30da\u30fc\u30b8\u540d\u3068\u3001\u73fe\u5728\u306e\u30da\u30fc\u30b8\u540d\u3092\u8868\u793a -->\n      <li><a href=\"https:\/\/code-plus.jp\/gp\/tools\/\">TOOLS\uff08\u30c4\u30fc\u30eb\u4e00\u89a7\uff09<\/a><\/li><li class=\"current_page_item\"><a>\u30c4\u30fc\u30eb<\/a><\/li>    <!-- \/\/\/if (is_page()) -->\n\n  <\/ul>\n<\/nav><\/div>\r\n  <\/header><!-- \/\/\/.inheader -->\r\n\r\n\r\n\r\n\r\n  <!-- .section -->\r\n  <section class=\"sect-cnvtVkaA-Intro\" style=\"contain-intrinsic-size:1000px;\">\r\n    <header class=\"section__inheader mx-auto scroll-fadeIn\">\r\n      <div class=\"hgroup-wrapper d-iblock mb-0.5r\">\r\n        <h1 class=\"fz-xxl hdg-page mb-0.25pc\"><span>CSS\u30bb\u30ec\u30af\u30bf \u8a73\u7d30\u5ea6\u8a08\u7b97\u30c4\u30fc\u30eb<\/span><\/h1>\r\n        <p class=\"page-foreword fz-ss\">CSS\u30bb\u30ec\u30af\u30bf\u306e\u8a73\u7d30\u5ea6\uff08Specificity\uff09\u3092\u8a08\u7b97\u3059\u308b\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3002\u8907\u6570\u30bb\u30ec\u30af\u30bf\u3092\u4e00\u62ec\u8a08\u7b97\u3002<code>:is()<\/code> \/ <code>:not()<\/code> \/ <code>:has()<\/code> \/ <code>:where()<\/code> \/ <code>:nth-child(n of S)<\/code> \u306b\u5bfe\u5fdc\u3002<\/p>\r\n      <\/div><!-- \/\/\/.hgroup -->\r\n\r\n      <a class=\"fl-right badge is-outlined is-gray fz-xs bdrs-0.25r\" href=\"#ch-Explanation\">\r\n        <i class=\"icon mas ma-help\"><\/i>&nbsp;<span>\u4f7f\u3044\u65b9<\/span>\r\n      <\/a>\r\n    <\/header><!-- \/\/\/.inheader -->\r\n  <\/section>\r\n\r\n\r\n  <!-- .section -->\r\n  <hr id=\"ch-Converter\" anchor \/>\r\n  <section class=\"sect-cnvtVkaA-Converter\" style=\"contain-intrinsic-size:1000px;\">\r\n    <div class=\"section__interior fxd-row mx-auto\">\r\n\r\n      <!-- \u5de6\u30ec\u30fc\u30f3\uff1a\u5165\u529b -->\r\n      <figure class=\"section__leftlane\">\r\n        <div class=\"hgroup-wrapper\">\r\n          <h3 class=\"fz-rg hdg-section mb-0.25pc\"><span>\u25bc\u30bb\u30ec\u30af\u30bf\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044<\/span><\/h3>\r\n        <\/div><!-- \/\/\/.hgroup -->\r\n\r\n        <div class=\"chest-wrapper relatived\">\r\n          <textarea id=\"encodeArea\" class=\"textarea\" style=\"height:17.5pc;\" placeholder=\"1\u884c1\u30bb\u30ec\u30af\u30bf\u3067\u5165\u529b&#10;\u672b\u5c3e\u306e { } , \u306f\u81ea\u52d5\u3067\u7121\u8996\u3055\u308c\u307e\u3059&#10;&#10;\u4f8b\uff09&#10;.nav a:hover&#10;#header .nav > a&#10;:is(.foo, #bar) .baz&#10;[class^=&quot;sect-&quot;] :is(.item):nth-of-type(n+2)\"><\/textarea>\r\n          <ins id=\"decodedMessage\"><\/ins>\r\n        <\/div><!-- \/\/\/.chest -->\r\n\r\n      <\/figure><!-- \/\/\/.leftlane -->\r\n\r\n\r\n      <!-- \u4e2d\u592e\u30ec\u30fc\u30f3\uff1a\u5909\u63db\u30dc\u30bf\u30f3 -->\r\n      <figure class=\"section__centerlane\">\r\n        <aside class=\"sticky-sidebar fxd-column pc-center\">\r\n          <a class=\"button is-solided is-primary\" href=\"#ch-Converter\" onclick=\"calcSpecificity()\"><span>\u8a08\u7b97&nbsp;\u00bb<\/span><\/a>\r\n          <a class=\"button is-outlined is-gray mt-2r\" href=\"#ch-Converter\" onclick=\"clearAll()\"><span>\u30af\u30ea\u30a2<\/span><\/a>\r\n        <\/aside>\r\n      <\/figure><!-- \/\/\/.centerlane -->\r\n\r\n\r\n      <!-- \u53f3\u30ec\u30fc\u30f3\uff1a\u51fa\u529b -->\r\n      <figure class=\"section__rightlane\">\r\n        <div class=\"chest-wrapper relatived\">\r\n          <h3 class=\"fz-rg hdg-section mb-0.25pc\"><span>\u25bc\u8a73\u7d30\u5ea6<\/span><\/h3>\r\n          <textarea class=\"textarea\" id=\"decodeArea\" style=\"height:17.5pc;\" placeholder=\"\u3053\u3053\u306b\u8a73\u7d30\u5ea6\u304c\u8868\u793a\u3055\u308c\u307e\u3059\" readonly><\/textarea>\r\n          <ins id=\"encodedMessage\"><\/ins>\r\n        <\/div><!-- \/\/\/.chest -->\r\n      <\/figure><!-- \/\/\/.rightlane -->\r\n\r\n    <\/div><!-- \/\/\/.interior.fxd-row -->\r\n  <\/section><!-- \/\/\/.section -->\r\n\r\n\r\n  <!-- .section -->\r\n  <hr id=\"ch-Explanation\" anchor \/>\r\n  <section class=\"sect-cnvtVkaA-Explanation pt-3r\" style=\"contain-intrinsic-size:1000px;\">\r\n    <div class=\"section__interior mx-auto scroll-fadeIn\">\r\n      <div class=\"box is-broad is-solided c-text\">\r\n        <h4 class=\"hdg-explanation fz-md mb-0.25pc\">\u4f7f\u3044\u65b9<\/h4>\r\n        <p class=\"fz-ss mb-1r\">\r\n          \u5de6\u5074\u306e\u30c6\u30ad\u30b9\u30c8\u30a8\u30ea\u30a2\u306bCSS\u30bb\u30ec\u30af\u30bf\u30921\u884c1\u4ef6\u3067\u5165\u529b\u3057\u3001\u300c\u8a08\u7b97 \u00bb\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u53f3\u5074\u306b\u8a73\u7d30\u5ea6\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002\u751f\u6210\u5f8c\u306f\u81ea\u52d5\u3067\u30af\u30ea\u30c3\u30d7\u30dc\u30fc\u30c9\u306b\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3059\u3002\r\n        <\/p>\r\n\r\n        <h5 class=\"hdg-subexplanation fz-rg mb-0.25pc mt-2r\">\ud83d\udcdd \u5165\u529b\u5f62\u5f0f<\/h5>\r\n        <p class=\"fz-ss mb-0.5r\">CSS\u304b\u3089\u305d\u306e\u307e\u307e\u30b3\u30d4\u30fc\u3057\u3066\u8cbc\u308a\u4ed8\u3051\u3066\u3082OK\u3002\u672b\u5c3e\u306e <code>{<\/code> <code>}<\/code> <code>,<\/code> \u306f\u81ea\u52d5\u3067\u9664\u53bb\u3055\u308c\u307e\u3059\u3002<\/p>\r\n        <pre class=\"fz-xs\"><code>.nav a:hover\r\n#header .nav > a { color: red; }   \u2190 { \u4ee5\u964d\u306f\u7121\u8996\r\n:is(.foo, #bar) .baz,              \u2190 \u672b\u5c3e , \u3082\u7121\u8996<\/code><\/pre>\r\n\r\n        <h5 class=\"hdg-subexplanation fz-rg mb-0.25pc mt-2r\">\ud83d\udd22 \u8a73\u7d30\u5ea6\u306e\u898b\u65b9 <code>(A, B, C)<\/code><\/h5>\r\n        <ul class=\"fz-ss mb-1r\">\r\n          <li><b>A\uff1a<\/b> ID\u30bb\u30ec\u30af\u30bf\u306e\u6570\uff08<code>#id<\/code>\uff09<\/li>\r\n          <li><b>B\uff1a<\/b> \u30af\u30e9\u30b9\u30fb\u5c5e\u6027\u30fb\u7591\u4f3c\u30af\u30e9\u30b9\u306e\u6570\uff08<code>.class<\/code> \/ <code>[attr]<\/code> \/ <code>:hover<\/code> \u7b49\uff09<\/li>\r\n          <li><b>C\uff1a<\/b> \u30bf\u30a4\u30d7\u30bb\u30ec\u30af\u30bf\u30fb\u7591\u4f3c\u8981\u7d20\u306e\u6570\uff08<code>div<\/code> \/ <code>::before<\/code> \u7b49\uff09<\/li>\r\n        <\/ul>\r\n        <p class=\"fz-ss mb-1r\">\u6bd4\u8f03\u306f <b>A \u2192 B \u2192 C<\/b> \u306e\u9806\u3067\u884c\u3044\u3001A\u304c\u5927\u304d\u3044\u307b\u3069\u512a\u5148\u3055\u308c\u307e\u3059\u3002<\/p>\r\n\r\n        <h5 class=\"hdg-subexplanation fz-rg mb-0.25pc mt-2r\">\u2699\ufe0f \u5bfe\u5fdc\u3057\u3066\u3044\u308b\u7279\u6b8a\u69cb\u6587<\/h5>\r\n        <ul class=\"fz-ss\">\r\n          <li><code>:is(A, B)<\/code> \/ <code>:not(A, B)<\/code> \/ <code>:has(A, B)<\/code> \u2192 \u5f15\u6570\u306e\u4e2d\u3067\u6700\u3082\u8a73\u7d30\u5ea6\u304c\u9ad8\u3044\u3082\u306e\u3092\u63a1\u7528<\/li>\r\n          <li><code>:where(A, B)<\/code> \u2192 \u5e38\u306b\u8a73\u7d30\u5ea6 0\uff08\u4ed5\u69d8\u901a\u308a\uff09<\/li>\r\n          <li><code>:nth-child(n of .sel)<\/code> \u2192 <code>of<\/code> \u4ee5\u964d\u306e\u30bb\u30ec\u30af\u30bf\u3082\u52a0\u7b97<\/li>\r\n          <li><code>*<\/code> <code>&amp;<\/code> \u2192 \u8a73\u7d30\u5ea6\u306a\u3057\uff080, 0, 0\uff09<\/li>\r\n        <\/ul>\r\n      <\/div><!-- \/\/\/.box -->\r\n    <\/div><!-- \/\/\/.interior -->\r\n  <\/section><!-- \/\/\/.section -->\r\n\r\n\r\n  <!-- .department -->\r\n  <hr id=\"ch-Relation\" anchor \/>\r\n  <section class=\"sect-cnvtVkaA-Relation pt-3r\" style=\"contain-intrinsic-size:1000px;\">\r\n    <div class=\"section__interior mx-auto scroll-fadeIn\">\r\n      <div class=\"hgroup-wrapper hgroupA mb-0.5pc\">\r\n        <h5 class=\"hdg-relation fz-rg\"><span>\u95a2\u9023\u30c4\u30fc\u30eb<\/span><\/h5>\r\n      <\/div><!-- \/\/\/.hgroup -->\r\n\r\n      <ul class=\"shelf-wrapper_pc shelfA\" data-cols_pc=\"2\">\r\n        <li class=\"slide\">\r\n          <a href=\"https:\/\/code-plus.jp\/gp\/tools\/clamp-calculator\/\" class=\"linkbox\">\r\n            <h4 class=\"linkbox-title\">CSS clamp() \u4e00\u62ec\u751f\u6210\u30c4\u30fc\u30eb<\/h4>\r\n            <span class=\"linkbox-excerpt\">\r\n              JSON\u5f62\u5f0f\u3067\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u306a clamp() \u5024\u3092\u4e00\u62ec\u751f\u6210\u3002\r\n              <u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\r\n            <\/span>\r\n          <\/a>\r\n        <\/li>\r\n        <li class=\"slide\">\r\n          <a href=\"https:\/\/code-plus.jp\/gp\/tools\/markdown-converter\/\" class=\"linkbox\">\r\n            <h4 class=\"linkbox-title\">Markdown \u2192 HTML \u5909\u63db\u30c4\u30fc\u30eb<\/h4>\r\n            <span class=\"linkbox-excerpt\">\r\n              Markdown\u8a18\u6cd5\u3092HTML\u306b\u5909\u63db\u3002HTML\u2192Markdown\u9006\u5909\u63db\u3082\u53ef\u80fd\u3002\r\n              <u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\r\n            <\/span>\r\n          <\/a>\r\n        <\/li>\r\n      <\/ul><!-- \/\/\/.shelf -->\r\n    <\/div><!-- \/\/\/.interior -->\r\n  <\/section><!-- \/\/\/.section -->\r\n\r\n\r\n<\/div><!-- \/\/\/.pg-saracnvtvkaa -->\r\n\r\n\r\n\r\n\r\n<script>\r\n\/* ============================================================\r\n   CSS \u30bb\u30ec\u30af\u30bf\u8a73\u7d30\u5ea6\u8a08\u7b97\u30c4\u30fc\u30eb\r\n   \/tools\/specificity-calculator\/\r\n   ============================================================ *\/\r\n\r\n(function () {\r\n  'use strict';\r\n\r\n  \/* ---- \u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3 ---- *\/\r\n\r\n  \/\/ \u5bfe\u5fdc\u3059\u308b\u30ab\u30c3\u30b3\u306e\u9589\u3058\u4f4d\u7f6e\u3092\u8fd4\u3059\r\n  function findClose(str, start, open, close) {\r\n    let depth = 0;\r\n    for (let i = start; i < str.length; i++) {\r\n      if (str[i] === open) depth++;\r\n      else if (str[i] === close) { depth--; if (depth === 0) return i; }\r\n    }\r\n    return str.length - 1;\r\n  }\r\n\r\n  \/\/ \u30ab\u30c3\u30b3\u3092\u8003\u616e\u3057\u306a\u304c\u3089\u30bb\u30d1\u30ec\u30fc\u30bf\u3067\u5206\u5272\r\n  function splitTopLevel(str, sep) {\r\n    const parts = [];\r\n    let depth = 0, current = '';\r\n    for (const ch of str) {\r\n      if (ch === '(' || ch === '[') depth++;\r\n      else if (ch === ')' || ch === ']') depth--;\r\n      if (ch === sep && depth === 0) {\r\n        if (current.trim()) parts.push(current.trim());\r\n        current = '';\r\n      } else {\r\n        current += ch;\r\n      }\r\n    }\r\n    if (current.trim()) parts.push(current.trim());\r\n    return parts;\r\n  }\r\n\r\n  \/\/ \u8a73\u7d30\u5ea6\u306e\u5927\u5c0f\u6bd4\u8f03\uff08a > b \u306a\u3089\u6b63\uff09\r\n  function compareSpec(a, b) {\r\n    if (a.A !== b.A) return a.A - b.A;\r\n    if (a.B !== b.B) return a.B - b.B;\r\n    return a.C - b.C;\r\n  }\r\n\r\n  \/* ---- \u30e1\u30a4\u30f3\u8a08\u7b97 ---- *\/\r\n\r\n  function parseSelector(str) {\r\n    let A = 0, B = 0, C = 0;\r\n    let i = 0;\r\n\r\n    \/\/ \u5f15\u6570\u30ea\u30b9\u30c8\u306e\u6700\u5927\u8a73\u7d30\u5ea6\u3092\u8fd4\u3059\r\n    function partsMax(parts) {\r\n      let max = { A: 0, B: 0, C: 0 };\r\n      for (const p of parts) {\r\n        const s = parseSelector(p.trim());\r\n        if (compareSpec(s, max) > 0) max = s;\r\n      }\r\n      return max;\r\n    }\r\n\r\n    while (i < str.length) {\r\n      const ch = str[i];\r\n\r\n      \/\/ \u30b3\u30f3\u30d3\u30cd\u30fc\u30bf\u30fb\u7a7a\u767d\u3092\u30b9\u30ad\u30c3\u30d7\r\n      if (\/[\\s+>~]\/.test(ch)) { i++; continue; }\r\n      \/\/ \u30ab\u30e9\u30e0\u30b3\u30f3\u30d3\u30cd\u30fc\u30bf ||\r\n      if (ch === '|' && str[i + 1] === '|') { i += 2; continue; }\r\n      \/\/ \u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u30fb\u30cd\u30b9\u30c6\u30a3\u30f3\u30b0\u30bb\u30ec\u30af\u30bf\r\n      if (ch === '*' || ch === '&') { i++; continue; }\r\n\r\n      \/\/ ID\u30bb\u30ec\u30af\u30bf  #name\r\n      let m = str.slice(i).match(\/^#([\\w-]+)\/);\r\n      if (m) { A++; i += m[0].length; continue; }\r\n\r\n      \/\/ \u30af\u30e9\u30b9\u30bb\u30ec\u30af\u30bf  .name\r\n      m = str.slice(i).match(\/^\\.([\\w-]+)\/);\r\n      if (m) { B++; i += m[0].length; continue; }\r\n\r\n      \/\/ \u5c5e\u6027\u30bb\u30ec\u30af\u30bf  [...]\r\n      if (ch === '[') {\r\n        const end = findClose(str, i, '[', ']');\r\n        B++;\r\n        i = end + 1;\r\n        continue;\r\n      }\r\n\r\n      \/\/ \u7591\u4f3c\u8981\u7d20  ::name\r\n      if (ch === ':' && str[i + 1] === ':') {\r\n        i += 2;\r\n        m = str.slice(i).match(\/^[\\w-]+\/);\r\n        if (m) {\r\n          i += m[0].length;\r\n          C++;\r\n          if (str[i] === '(') { const end = findClose(str, i, '(', ')'); i = end + 1; }\r\n        }\r\n        continue;\r\n      }\r\n\r\n      \/\/ \u7591\u4f3c\u30af\u30e9\u30b9  :name  or  :name(...)\r\n      if (ch === ':') {\r\n        i++;\r\n        m = str.slice(i).match(\/^([\\w-]+)\/);\r\n        if (!m) continue;\r\n        const name = m[1].toLowerCase();\r\n        i += m[0].length;\r\n\r\n        if (str[i] === '(') {\r\n          const end = findClose(str, i, '(', ')');\r\n          const innerStr = str.slice(i + 1, end);\r\n          i = end + 1;\r\n\r\n          if (name === 'where') {\r\n            \/\/ :where() \u2192 \u8a73\u7d30\u5ea60\uff08\u4ed5\u69d8\u901a\u308a\uff09\r\n\r\n          } else if (name === 'is' || name === 'not' || name === 'has') {\r\n            \/\/ \u5f15\u6570\u30ea\u30b9\u30c8\u306e\u6700\u5927\u8a73\u7d30\u5ea6\u3092\u63a1\u7528\r\n            const parts = splitTopLevel(innerStr, ',');\r\n            const max = partsMax(parts);\r\n            A += max.A; B += max.B; C += max.C;\r\n\r\n          } else if (name === 'nth-child' || name === 'nth-last-child') {\r\n            B++; \/\/ \u7591\u4f3c\u30af\u30e9\u30b9\u81ea\u4f53\r\n            \/\/ :nth-child(An+B of S) \u306e \"of S\" \u90e8\u5206\u3082\u8a08\u7b97\r\n            const ofMatch = innerStr.match(\/\\bof\\b([\\s\\S]+)$\/i);\r\n            if (ofMatch) {\r\n              const parts = splitTopLevel(ofMatch[1].trim(), ',');\r\n              const max = partsMax(parts);\r\n              A += max.A; B += max.B; C += max.C;\r\n            }\r\n\r\n          } else {\r\n            \/\/ :lang(), :nth-of-type(), :nth-child(n), :is() without parens, etc.\r\n            B++;\r\n          }\r\n        } else {\r\n          \/\/ :hover, :focus, :first-child, etc.\r\n          B++;\r\n        }\r\n        continue;\r\n      }\r\n\r\n      \/\/ \u30bf\u30a4\u30d7\u30bb\u30ec\u30af\u30bf  div, span, a ...\r\n      m = str.slice(i).match(\/^[a-zA-Z][\\w-]*\/);\r\n      if (m) { C++; i += m[0].length; continue; }\r\n\r\n      \/\/ \u4e0d\u660e\u6587\u5b57\u306f\u30b9\u30ad\u30c3\u30d7\r\n      i++;\r\n    }\r\n\r\n    return { A, B, C };\r\n  }\r\n\r\n  \/\/ \u30c6\u30ad\u30b9\u30c8\u5168\u4f53\u304b\u3089\u30bb\u30ec\u30af\u30bf\u3060\u3051\u3092\u62bd\u51fa\r\n  \/\/ \u2460 \/* *\/ \u30b3\u30e1\u30f3\u30c8\u3092\u9664\u53bb\r\n  \/\/ \u2461 { } \u30d6\u30ed\u30c3\u30af\uff08\u30d7\u30ed\u30d1\u30c6\u30a3\u5024\uff09\u3092\u9664\u53bb\r\n  \/\/ \u2462 () [] \u306e\u5185\u5074\u306e\u6539\u884c\u3092\u30b9\u30da\u30fc\u30b9\u306b\u5909\u63db\uff08\u8907\u6570\u884c\u30bb\u30ec\u30af\u30bf\u30921\u884c\u306b\uff09\r\n  \/\/ \u2463 \u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u306e\u30ab\u30f3\u30de\u3067\u500b\u5225\u30bb\u30ec\u30af\u30bf\u306b\u5206\u5272\r\n  function extractSelectors(text) {\r\n    \/\/ \u2460 \u30b3\u30e1\u30f3\u30c8\u9664\u53bb\r\n    let s = text.replace(\/\\\/\\*[\\s\\S]*?\\*\\\/\/g, '');\r\n\r\n    \/\/ \u2461 { } \u30d6\u30ed\u30c3\u30af\u9664\u53bb\uff08\u6df1\u3055\u30ab\u30a6\u30f3\u30c8\uff09\r\n    let stripped = '';\r\n    let depth = 0;\r\n    for (let i = 0; i < s.length; i++) {\r\n      if (s[i] === '{') { depth++; continue; }\r\n      if (s[i] === '}') { depth = Math.max(0, depth - 1); continue; }\r\n      if (depth === 0) stripped += s[i];\r\n    }\r\n\r\n    \/\/ \u2462 () [] \u306e\u5185\u5074\u306e\u6539\u884c\u3092\u30b9\u30da\u30fc\u30b9\u306b\u5909\u63db\r\n    let normalized = '';\r\n    let parenDepth = 0;\r\n    for (const ch of stripped) {\r\n      if (ch === '(' || ch === '[') { parenDepth++; normalized += ch; }\r\n      else if (ch === ')' || ch === ']') { parenDepth = Math.max(0, parenDepth - 1); normalized += ch; }\r\n      else if ((ch === '\\n' || ch === '\\r') && parenDepth > 0) { normalized += ' '; }\r\n      else { normalized += ch; }\r\n    }\r\n\r\n    \/\/ \u2463 \u884c\u5206\u5272 \u2192 \u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u30ab\u30f3\u30de\u3067\u5206\u5272\r\n    const selectors = [];\r\n    for (const line of normalized.split('\\n')) {\r\n      const trimmed = line.trim().replace(\/[,\\s]+$\/, '').trim();\r\n      if (!trimmed) continue;\r\n      if (trimmed.startsWith('\/\/')) continue;\r\n      for (const part of splitTopLevel(trimmed, ',')) {\r\n        \/\/ \u5185\u5074\u306e\u9023\u7d9a\u7a7a\u767d\u30921\u30b9\u30da\u30fc\u30b9\u306b\u5727\u7e2e\r\n        const sel = part.replace(\/\\s+\/g, ' ').trim();\r\n        if (sel) selectors.push(sel);\r\n      }\r\n    }\r\n    return selectors;\r\n  }\r\n\r\n  \/* ---- UI ---- *\/\r\n\r\n  window.calcSpecificity = function () {\r\n    const input  = document.getElementById('encodeArea');\r\n    const output = document.getElementById('decodeArea');\r\n    if (!input || !output) return;\r\n\r\n    const selectors = extractSelectors(input.value);\r\n    const results   = [];\r\n\r\n    selectors.forEach(sel => {\r\n      const { A, B, C } = parseSelector(sel);\r\n      results.push({ selector: sel, A, B, C });\r\n    });\r\n\r\n    if (results.length === 0) {\r\n      showMessage('\u5165\u529b\u304c\u3042\u308a\u307e\u305b\u3093', false, 'encodedMessage');\r\n      return;\r\n    }\r\n\r\n    let out = '\/* \u8a73\u7d30\u5ea6 (Specificity): #IDs, .class\/[attr], types *\/\\n';\r\n    results.forEach(({ selector, A, B, C }) => {\r\n      out += `${selector} { specificity: ${A}, ${B}, ${C} }\\n`;\r\n    });\r\n    out = out.trimEnd();\r\n\r\n    output.value = out;\r\n\r\n    \/\/ \u30af\u30ea\u30c3\u30d7\u30dc\u30fc\u30c9\u3078\u81ea\u52d5\u30b3\u30d4\u30fc\r\n    navigator.clipboard.writeText(out).then(() => {\r\n      showMessage(`\u30af\u30ea\u30c3\u30d7\u30dc\u30fc\u30c9\u306b\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3057\u305f\uff01\uff08${results.length}\u4ef6\uff09`, true, 'encodedMessage');\r\n    }, () => {\r\n      showMessage(`${results.length}\u4ef6\u3092\u8a08\u7b97\u3057\u307e\u3057\u305f`, true, 'encodedMessage');\r\n    });\r\n  };\r\n\r\n  window.clearAll = function () {\r\n    ['encodeArea', 'decodeArea'].forEach(id => {\r\n      const el = document.getElementById(id);\r\n      if (el) el.value = '';\r\n    });\r\n    ['decodedMessage', 'encodedMessage'].forEach(id => {\r\n      const el = document.getElementById(id);\r\n      if (el) el.innerHTML = '';\r\n    });\r\n    const enc = document.getElementById('encodeArea');\r\n    if (enc) enc.focus();\r\n  };\r\n\r\n  \/* ---- \u30e1\u30c3\u30bb\u30fc\u30b8\u8868\u793a\uff08markdown-converter \u3068\u540c\u30d1\u30bf\u30fc\u30f3\uff09 ---- *\/\r\n  function showMessage(msg, isSuccess, areaId) {\r\n    const area = document.getElementById(areaId);\r\n    if (!area) return;\r\n    const cls   = isSuccess ? 'is-primary' : 'is-error';\r\n    const icon  = isSuccess ? 'ma-check_circle' : 'ma-error';\r\n    const color = isSuccess ? 'primary' : 'error';\r\n    area.innerHTML = `\r\n<p class=\"alert is-ghosted ${cls} mt-0.5r\">\r\n  <i class=\"icon mas ${icon} c-${color} mr-0.5r\"><\/i>\r\n  <span>${msg}<\/span>\r\n<\/p>`;\r\n    setTimeout(() => { area.innerHTML = ''; }, 3000);\r\n  }\r\n\r\n  \/\/ decodeArea \u30af\u30ea\u30c3\u30af\u3067\u5168\u9078\u629e\r\n  const dec = document.getElementById('decodeArea');\r\n  if (dec) dec.addEventListener('click', function () { if (this.value) this.select(); });\r\n\r\n})();\r\n<\/script>","protected":false},"excerpt":{"rendered":"CSS\u30bb\u30ec\u30af\u30bf\u306e\u8a73\u7d30\u5ea6\uff08Specificity\uff09\u3092\u8a08\u7b97\u3059\u308b\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3002\u8907\u6570\u30bb\u30ec\u30af\u30bf\u3092\u4e00\u62ec\u8a08\u7b97\u3002:is() \/ :not() \/ :has() \/ :where() \/ :nth-child(n of S) \u306b\u5bfe\u5fdc\u3002","protected":false},"author":1,"featured_media":0,"parent":173,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"page\/page-converter.php","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":{"0":"post-11746","1":"page","2":"type-page","3":"status-publish","5":"category-tool"},"_links":{"self":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/pages\/11746","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/comments?post=11746"}],"version-history":[{"count":4,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/pages\/11746\/revisions"}],"predecessor-version":[{"id":11793,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/pages\/11746\/revisions\/11793"}],"up":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/pages\/173"}],"wp:attachment":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/media?parent=11746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/categories?post=11746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/tags?post=11746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}