/* ブログ記事ページ（赤基調） */
.blog-page{max-width:920px;margin:auto;padding:40px 30px 100px}

/* パンくず */
.b-crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:#fff;margin-bottom:30px}
.b-crumb a:hover{color:#d03e5c}
.b-crumb span{color:#fff}

/* ヒーロー */
.b-hero{border-bottom:1px solid #242429;padding-bottom:26px;margin-bottom:26px}
.b-cat{display:inline-block;color:#d03e5c;font-size:11px;font-weight:700;letter-spacing:.16em;margin:0 0 10px;padding:4px 10px;border:1px solid rgba(208,62,92,.4);border-radius:3px;background:rgba(208,62,92,.08)}
.b-hero h1{font-size:clamp(26px,4vw,40px);line-height:1.25;letter-spacing:-.03em;margin:0 0 12px}
.b-lead{color:#fff;font-size:14px;line-height:1.9;margin:0 0 14px}
.b-meta{color:#a9aeb8;font-size:11px;margin:0}

/* 目次 */
.b-toc{border:1px solid #242429;border-left:3px solid #d03e5c;border-radius:6px;background:#0b0b0d;padding:18px 22px;margin-bottom:44px}
.b-toc b{display:block;font-size:13px;color:#fff;margin-bottom:10px}
.b-toc ol{margin:0;padding-left:20px;color:#fff;font-size:13px;line-height:2.1}
.b-toc a:hover{color:#d03e5c}

/* セクション */
.b-sec{margin-bottom:52px;scroll-margin-top:80px}
.b-sec h2{display:flex;align-items:baseline;gap:12px;font-size:22px;margin:0 0 18px;padding-bottom:12px;border-bottom:1px solid #242429}
.b-sec h2 .num{color:#d03e5c;font-size:17px;font-weight:800;flex:none}
.b-sec h3{font-size:15px;color:#fff;margin:28px 0 12px;padding-left:12px;border-left:3px solid #d03e5c}
.b-sec p{font-size:13.5px;line-height:2;color:#fff;margin:0 0 14px}
.b-sec strong{color:#fff}

/* ✓ リスト */
.b-check{list-style:none;margin:0 0 16px;padding:0}
.b-check li{position:relative;padding-left:24px;font-size:13px;line-height:1.9;color:#fff;margin:8px 0}
.b-check li::before{content:"✓";position:absolute;left:2px;top:0;color:#d03e5c;font-weight:700}
.b-check li b{color:#fff}
.b-x{list-style:none;margin:0 0 16px;padding:0}
.b-x li{position:relative;padding-left:24px;font-size:13px;line-height:1.9;color:#fff;margin:8px 0}
.b-x li::before{content:"✕";position:absolute;left:2px;top:0;color:#d03e5c;font-weight:700}

/* 呼び出しボックス */
.b-note,.b-warn,.b-danger{border-radius:6px;padding:14px 18px;margin:18px 0;font-size:13px;line-height:1.9;color:#fff}
.b-note{border:1px solid #242429;background:#0e0e11}
.b-warn{border:1px solid rgba(240,169,75,.35);background:rgba(240,169,75,.06);color:#e8cba3}
.b-danger{border:1px solid rgba(208,62,92,.4);background:rgba(208,62,92,.07);color:#e5a4b3}
.b-note b,.b-warn b,.b-danger b{display:block;margin-bottom:6px}
.b-warn b{color:#f0a94b}.b-danger b{color:#d03e5c}.b-note b{color:#fff}

/* 表 */
.b-table{width:100%;border-collapse:collapse;margin:16px 0 22px;font-size:13px}
.b-table th,.b-table td{border:1px solid #242429;padding:10px 14px;text-align:left;line-height:1.7}
.b-table th{background:#131316;color:#fff;font-size:12px;white-space:nowrap}
.b-table td{color:#fff}
.b-table td:first-child{color:#fff}

/* 2カラムボックス */
.b-cols2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}
.b-box{border:1px solid #242429;border-radius:6px;background:#0b0b0d;padding:16px 18px}
.b-box b{display:block;color:#fff;font-size:13px;margin-bottom:8px}
.b-box b.hot{color:#d03e5c}
.b-box ul{list-style:none;margin:0;padding:0}
.b-box li{font-size:12.5px;color:#fff;line-height:1.8;margin:5px 0}

/* 手順 */
.b-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}
.b-step{border:1px solid #242429;border-radius:6px;background:#0b0b0d;padding:16px;text-align:center}
.b-step i{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:rgba(208,62,92,.14);border:1px solid rgba(208,62,92,.5);color:#d03e5c;font-style:normal;font-weight:800;font-size:13px;margin-bottom:10px}
.b-step b{display:block;font-size:12.5px;color:#fff;margin-bottom:4px}
.b-step small{font-size:11px;color:#fff;line-height:1.6;display:block}

/* CTA */
.b-cta{border:1px solid rgba(208,62,92,.45);border-radius:8px;background:linear-gradient(135deg,rgba(208,62,92,.14),rgba(208,62,92,.04));padding:28px;text-align:center;margin:44px 0}
.b-cta h2{font-size:20px;margin:0 0 8px;border:0;padding:0}
.b-cta p{color:#fff;font-size:13px;margin:0 0 18px}
.b-cta a{display:inline-block;padding:12px 34px;border-radius:5px;background:#d03e5c;color:#fff;font-size:13px;font-weight:700;transition:.15s}
.b-cta a:hover{background:#e95573}

/* 関連記事 */
.b-rel{display:block;margin-top:50px}
.b-rel>b{display:block;font-size:16px;color:#fff;margin-bottom:14px}
.b-rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.b-rel-card{display:block;border:1px solid #242429;border-radius:6px;background:#0b0b0d;padding:16px;transition:border-color .15s}
.b-rel-card:hover{border-color:#d03e5c}
.b-rel-card b{display:block;font-size:13px;color:#fff;margin-bottom:6px}
.b-rel-card small{color:#fff;font-size:11px;line-height:1.6}
.b-rel-card span{display:block;color:#d03e5c;font-size:11px;margin-top:10px}

/* 記事フッターの戻る */
.b-back{display:inline-block;margin-top:40px;color:#fff;font-size:13px}
.b-back:hover{color:#d03e5c}

/* ブログ一覧（/blog/） */
.blog-list{max-width:1200px;margin:auto;padding:45px 30px 100px}
.blog-list .eyebrow{color:#d03e5c;font-size:12px;font-weight:700;letter-spacing:.18em;margin:0 0 8px}
.blog-list h1{font-size:clamp(30px,4.5vw,44px);margin:0 0 8px;letter-spacing:-.03em}
.blog-list .page-lead{color:#fff;font-size:14px;margin:0 0 34px}

/* ツールバー */
.blog-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;border:1px solid #242429;border-radius:8px;background:#0b0b0d;padding:14px 16px;margin-bottom:12px}
.blog-search{display:flex;align-items:center;gap:10px;border:1px solid #242429;border-radius:5px;background:#08080a;padding:9px 14px;min-width:min(300px,100%)}
.blog-search input{background:transparent;border:0;outline:0;color:#fff;font-size:13px;font-family:inherit;width:100%}
.blog-search input::placeholder{color:#a9aeb8}
.blog-toolbar-sub{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.blog-filter{display:flex;flex-wrap:wrap;gap:8px}
.blog-filter button{border:1px solid #242429;border-radius:4px;background:#0b0b0d;color:#fff;font-size:12px;padding:7px 14px;cursor:pointer;font-family:inherit;transition:.15s}
.blog-filter button:hover{border-color:#3a3a42;color:#fff}
.blog-filter button.active{border-color:rgba(208,62,92,.55);background:rgba(208,62,92,.1);color:#d03e5c;font-weight:700}
.blog-result{color:#fff;font-size:11px;white-space:nowrap;font-variant-numeric:tabular-nums}

/* 記事カード */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:12px}
.blog-card{position:relative;display:flex;flex-direction:column;gap:8px;border:1px solid #242429;border-radius:7px;background:linear-gradient(180deg,#0d0d10,#0a0a0c);padding:20px;overflow:hidden;transition:border-color .15s,transform .15s}
.blog-card:hover{border-color:rgba(208,62,92,.55);transform:translateY(-3px)}
.blog-card:before{content:"";position:absolute;left:0;top:0;right:0;height:2px;background:linear-gradient(90deg,#d03e5c,transparent 70%);opacity:0;transition:opacity .2s}
.blog-card:hover:before{opacity:1}
.blog-card.is-hidden{display:none}
.blog-card .b-cat{margin:0 0 2px;align-self:flex-start}
.blog-card b{font-size:15.5px;color:#fff;line-height:1.55}
.blog-card small{color:#fff;font-size:12px;line-height:1.75;flex:1}
.blog-card-meta{display:flex;align-items:center;justify-content:flex-end;gap:10px;border-top:1px solid #1c1c20;padding-top:12px;margin-top:6px}
.blog-card-arrow{color:#d03e5c;font-size:11px;font-weight:700}
.blog-no-hit{border:1px dashed #242429;border-radius:7px;padding:40px;text-align:center;color:#fff;font-size:13px;display:none}
.blog-no-hit.show{display:block}

@media(max-width:760px){
  .b-cols2{grid-template-columns:1fr}
  .b-steps{grid-template-columns:repeat(2,1fr)}
  .b-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
}
@media(max-width:520px){
  .blog-page,.blog-list{padding:28px 18px 80px}
  .b-steps{grid-template-columns:1fr}
}

/* 本文内リンク */
.b-sec a{color:#e46a86;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(208,62,92,.45)}
.b-sec a:hover{color:#d03e5c;text-decoration-color:#d03e5c}

/* FAQアコーディオン */
details.b-faq{border:1px solid #242429;border-radius:7px;background:#0b0b0d;margin-bottom:10px;overflow:hidden;transition:border-color .15s}
details.b-faq:hover{border-color:#33333b}
details.b-faq[open]{border-color:rgba(208,62,92,.4)}
details.b-faq summary{cursor:pointer;padding:14px 18px;display:flex;gap:12px;align-items:baseline;color:#fff;font-size:14px;font-weight:700;list-style:none}
details.b-faq summary::-webkit-details-marker{display:none}
details.b-faq summary .qtag{color:#d03e5c;font-size:12px;flex-shrink:0;font-weight:800}
details.b-faq summary:after{content:"+";margin-left:auto;color:#d03e5c;font-weight:700;flex-shrink:0}
details.b-faq[open] summary:after{content:"−"}
details.b-faq .a{border-top:1px solid #1c1c20;padding:14px 18px;color:#fff;font-size:13px;line-height:1.9}
details.b-faq .a a{color:#e46a86;text-decoration:underline;text-underline-offset:3px}
details.b-faq .a a:hover{color:#d03e5c}