/* PRUST コラム用スタイル（試作） ※コラム一覧・カテゴリ・記事ページだけで読み込む */

/* ===== ページ見出し ===== */
.col-hero{min-height:0;padding:150px 0 60px}
.col-hero .wrap{grid-template-columns:minmax(0,1fr);gap:0}
.col-hero h1{font-size:clamp(21px,2.6vw,32px);line-height:1.6;max-width:980px;overflow-wrap:anywhere}
.col-hero-list .en{font-size:clamp(52px,8.4vw,128px)}
.col-hero-list .wrap>div{min-width:0}
.col-hero-list h1{font-size:clamp(24px,3vw,36px)}
.col-h1-sub{display:block;font-size:.5em;letter-spacing:.12em;opacity:.8;margin-top:6px}

/* パンくず */
.col-crumb{margin-bottom:18px}
.col-crumb ol{list-style:none;display:flex;flex-wrap:wrap;font-size:12px;line-height:1.7;opacity:.8}
.col-crumb li{min-width:0;overflow-wrap:anywhere}
.col-crumb li+li::before{content:"＞";margin:0 8px;opacity:.6}
.col-crumb a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.4)}
.col-crumb a:hover{text-decoration-color:#fff}

/* 日付・カテゴリ */
.col-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:22px;font-size:13px}
.col-date{display:inline-flex;align-items:center;gap:8px;font-family:var(--en);letter-spacing:.08em}
.col-date>span{font-family:var(--ja);font-size:11px;opacity:.7;letter-spacing:.1em}
.col-cats{display:flex;flex-wrap:wrap;gap:8px}
.col-cat{display:inline-block;font-size:12px;line-height:1.6;border:1px solid rgba(255,255,255,.5);padding:3px 12px;border-radius:999px;transition:background .3s,color .3s}
.col-cat:hover{background:#fff;color:var(--navy)}

/* ===== 記事 ===== */
.col-main{padding:64px 0 24px}
.col-article{width:min(880px,100% - 32px);margin-inline:auto;background:rgba(255,255,255,.86);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.8);border-radius:6px;padding:56px 60px 60px;box-shadow:0 30px 60px -40px rgba(20,26,51,.35)}
.col-eyecatch{margin:0 0 40px}
.col-eyecatch img{display:block;width:auto;max-width:100%;height:auto;max-height:640px;margin-inline:auto;border-radius:4px}
.col-eyecatch a{display:block;transition:opacity .3s}
.col-eyecatch a:hover{opacity:.85}
.col-eyecatch figcaption{font-size:12px;color:var(--mute);margin-top:8px;text-align:center}

/* 目次 */
.col-toc{background:#fff;border:1px solid var(--line);border-radius:4px;padding:24px 28px 20px;margin:0 0 48px}
.col-toc-ttl{display:flex;align-items:baseline;gap:12px;font-weight:500;color:var(--ink);font-size:15px;margin-bottom:8px}
.col-toc-ttl span{font-family:var(--en-display);font-size:12px;letter-spacing:.3em;color:var(--accent)}
.col-toc ol{list-style:none;counter-reset:toc}
.col-toc>ol>li{counter-increment:toc;border-top:1px dashed var(--line)}
.col-toc>ol>li:first-child{border-top:0}
.col-toc a{display:block;padding:9px 0 9px 34px;position:relative;font-size:14px;line-height:1.7;color:var(--ink);transition:color .3s}
.col-toc>ol>li>a::before{content:counter(toc,decimal-leading-zero);position:absolute;left:0;top:9px;font-family:var(--en);font-size:12px;color:var(--accent);letter-spacing:.04em}
.col-toc a:hover{color:var(--accent-2)}
.col-toc ol ol{padding:0 0 8px 34px}
.col-toc ol ol a{font-size:13px;padding:4px 0 4px 16px;color:var(--text)}
.col-toc ol ol a::before{content:"";position:absolute;left:2px;top:15px;width:6px;height:1px;background:var(--accent)}

/* 本文 */
.col-body{font-size:16px;line-height:1.9;letter-spacing:.03em;color:#2c3246;overflow-wrap:anywhere}
.col-body>*:first-child{margin-top:0}
.col-body p{margin:0 0 1.5em}
.col-body h2{font-size:clamp(19px,2.2vw,23px);font-weight:500;color:var(--ink);line-height:1.6;letter-spacing:.05em;margin:2.8em 0 1.1em;padding:14px 18px 14px 20px;border-left:3px solid var(--accent);background:linear-gradient(90deg,rgba(74,111,181,.1),rgba(74,111,181,0) 85%);scroll-margin-top:90px}
.col-body h3{font-size:18px;font-weight:500;color:var(--ink);line-height:1.6;margin:2.2em 0 .9em;padding-bottom:8px;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.col-body h4{font-size:16px;font-weight:700;color:var(--ink);margin:1.8em 0 .6em}
.col-body a{color:var(--accent-2);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.col-body a:hover{color:var(--navy-2)}
.col-body strong{font-weight:700;color:var(--ink);background:linear-gradient(transparent 66%,rgba(74,111,181,.16) 66%)}
.col-body ul,.col-body ol{margin:0 0 1.5em;padding-left:1.5em}
.col-body li{margin:.35em 0}
.col-body li::marker{color:var(--accent)}
.col-body img{display:block;max-width:100%;height:auto;margin:1.2em auto;border-radius:4px}
.col-body a:has(img){display:block}
.col-body hr{border:0;border-top:1px solid var(--line);margin:1.8em 0}
.col-body blockquote{margin:0 0 1.5em;padding:18px 22px;border-left:3px solid var(--mist-2);background:var(--mist);color:var(--text);font-size:15px}
.col-body blockquote p:last-child{margin-bottom:0}
.col-table{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1.6em;border:1px solid var(--line);border-radius:4px}
.col-body table{border-collapse:collapse;min-width:100%;font-size:14px;line-height:1.7;background:#fff}
.col-body th,.col-body td{padding:10px 14px;border:1px solid var(--line);vertical-align:top;text-align:left}
.col-body thead th{background:var(--navy-2);color:#fff;font-weight:500}
.col-body tbody th{background:var(--mist);color:var(--ink);font-weight:500}
.col-subttl{font-size:18px;font-weight:500;color:var(--ink);line-height:1.7;padding:20px 24px;background:var(--mist);border-radius:4px}
.col-note{font-size:12.5px;line-height:1.8;color:var(--mute);background:var(--mist);border:1px solid var(--line);border-radius:4px;padding:14px 18px}
.col-body small{font-size:12.5px;color:var(--mute)}

/* 関連キーワード */
.col-kw{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.col-kw p{font-size:12px;color:var(--mute);letter-spacing:.1em}
.col-kw ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.col-kw li{font-size:12px;background:var(--mist);color:var(--text);padding:3px 12px;border-radius:999px}

/* 執筆・監修 */
.col-author{display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;align-items:center;margin-top:40px;padding:24px 26px;background:linear-gradient(120deg,#141a33,#1e2b5c 70%,#2d4a8a);color:#fff;border-radius:6px}
.col-author-mark{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(255,255,255,.4);font-family:var(--en-display);font-size:26px}
.col-author-label{font-family:var(--en);font-size:10px;letter-spacing:.3em;opacity:.7}
.col-author-name{font-weight:500;margin:2px 0 6px;line-height:1.7}
.col-author-link{font-size:13px;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.4)}

/* ===== カード（一覧・関連記事） ===== */
.col-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.col-card>a{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:transform .4s,box-shadow .4s,border-color .4s}
.col-card>a:hover{transform:translateY(-4px);border-color:rgba(74,111,181,.5);box-shadow:0 24px 40px -26px rgba(20,26,51,.4)}
.col-card-img{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#141a33,#1e2b5c 60%,#3b5fa6)}
.col-card-img img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.col-card>a:hover .col-card-img img{transform:scale(1.04)}
.col-card-img.is-noimg{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#fff}
.col-card-img.is-noimg span{font-family:var(--en-display);font-size:24px;letter-spacing:.3em;opacity:.85}
.col-card-img.is-noimg small{font-size:11px;letter-spacing:.14em;opacity:.7}
.col-card-body{display:flex;flex-direction:column;gap:8px;padding:18px 20px 22px;flex:1}
.col-card-meta{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:12px;color:var(--mute)}
.col-card-meta time{font-family:var(--en);letter-spacing:.06em}
.col-card-meta span{color:var(--accent)}
.col-card-ttl{font-size:16px;font-weight:500;color:var(--ink);line-height:1.65;letter-spacing:.04em;overflow-wrap:anywhere}
.col-card-ex{font-size:13px;line-height:1.8;color:var(--mute);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* カテゴリタブ */
.col-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.col-tabs a{display:inline-flex;align-items:center;gap:8px;font-size:13px;padding:8px 18px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.8);color:var(--ink);transition:border-color .3s,background .3s,color .3s}
.col-tabs a small{font-family:var(--en);font-size:11px;color:var(--mute)}
.col-tabs a:hover{border-color:var(--accent)}
.col-tabs a[aria-current]{background:var(--navy-2);border-color:var(--navy-2);color:#fff}
.col-tabs a[aria-current] small{color:rgba(255,255,255,.7)}
.col-count{font-size:12px;color:var(--mute);margin-bottom:26px}
.col-list{padding-top:72px}

/* ページ送り */
.col-pager{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:56px}
.col-pager a,.col-pager span{min-width:44px;height:44px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:999px;background:#fff;font-family:var(--en);font-size:14px;color:var(--ink);transition:border-color .3s}
.col-pager a:hover{border-color:var(--accent)}
.col-pager span[aria-current]{background:var(--navy-2);border-color:var(--navy-2);color:#fff}
.col-pager .prev,.col-pager .next{font-family:var(--ja);font-size:13px}

/* 関連記事 */
.col-related{padding:72px 0 100px}
.col-related .sec-head{margin-bottom:36px}
.col-more{text-align:right;margin-top:24px;font-size:14px}
.col-more a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}

@media (max-width:1000px){
  .col-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .col-article{padding:44px 40px 48px}
}
@media (max-width:640px){
  .col-hero{padding:120px 0 40px}
  .col-hero-list{min-height:380px}
  .col-main{padding:32px 0 8px}
  .col-article{width:calc(100% - 20px);padding:26px 18px 30px}
  .col-eyecatch{margin-bottom:28px}
  .col-toc{padding:18px 16px 14px;margin-bottom:36px}
  .col-toc a{padding-left:28px}
  .col-toc ol ol{padding-left:22px}
  .col-body{font-size:15.5px;letter-spacing:.02em}
  .col-body h2{font-size:18px;padding:12px 12px 12px 14px;margin-top:2.4em}
  .col-body h3{font-size:16.5px}
  .col-subttl{font-size:16px;padding:16px 16px}
  .col-author{grid-template-columns:48px minmax(0,1fr);gap:14px;padding:20px 18px}
  .col-author-mark{width:48px;height:48px;font-size:20px}
  .col-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .col-list{padding-top:48px}
  .col-tabs{gap:8px}
  .col-tabs a{padding:6px 14px;font-size:12.5px}
  .col-related{padding:56px 0 72px}
}

/* 表（画像から作り直した表）：スマホでは列の最小幅を確保し、.table-wrap 内で横スクロール */
@media (max-width:640px){
  .col-body .table-wrap table{font-size:13.5px}
  .col-body .table-wrap th,.col-body .table-wrap td{min-width:5.5em;padding:8px 10px}
  .col-body .table-wrap:has(thead th:nth-child(3)) table{min-width:32em}
  .col-body .table-wrap:has(thead th:nth-child(4)) table{min-width:36em}
}

/* アイキャッチのない記事のカード（2026/9） */
.col-card-img.is-noimg{background:linear-gradient(160deg,rgba(20,26,51,.78),rgba(30,43,92,.55)),url(/assets/img/stock/desk-charts.jpg) center/cover !important;color:#fff}