:root{--ca-blue:#135d96;--ca-green:#0d7a64;--ca-ink:#122033;--ca-muted:#5e6d7e;--ca-line:#dce5ef;--ca-soft:#eef6ff}
.ca-page .seo-hero{padding-bottom:30px}.ca-hero-visual{position:relative;min-height:360px;border-radius:32px;overflow:hidden;background:linear-gradient(145deg,#0f5f91,#0d7a64);box-shadow:0 22px 70px rgba(18,32,51,.16)}
.ca-hero-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}.ca-hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,28,47,.08),rgba(8,28,47,.62))}.ca-hero-note{position:absolute;z-index:2;left:22px;right:22px;bottom:20px;color:white}.ca-hero-note small{font-weight:900;letter-spacing:.08em}.ca-hero-note strong{display:block;margin-top:6px;font-size:24px;line-height:1.15}
.ca-trust{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 0}.ca-pill{display:inline-flex;align-items:center;gap:7px;padding:9px 12px;border-radius:999px;border:1px solid var(--ca-line);background:white;color:#38506c;font-size:13px;font-weight:800}
.ca-toc{display:flex;gap:10px;flex-wrap:wrap;margin:8px 0 30px}.ca-toc a{padding:10px 13px;border:1px solid #d8e6f4;background:#fff;border-radius:12px;text-decoration:none;color:#23405f;font-weight:800;font-size:13px}.ca-toc a:hover{border-color:#9fc3e6;transform:translateY(-1px)}
.ca-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}.ca-article{background:#fff;border:1px solid var(--ca-line);border-radius:28px;padding:32px;box-shadow:0 16px 48px rgba(18,32,51,.07);line-height:1.72;color:#34465b}.ca-article h2{font-size:clamp(28px,3vw,40px);line-height:1.08;color:var(--ca-ink);letter-spacing:-.025em;margin:44px 0 14px}.ca-article h2:first-child{margin-top:0}.ca-article h3{font-size:21px;color:var(--ca-ink);margin:28px 0 8px}.ca-article p{margin:0 0 16px}.ca-article ul,.ca-article ol{padding-left:22px}.ca-article li{margin:8px 0}.ca-article a{color:#0f5f91;font-weight:800}.ca-aside{position:sticky;top:92px;display:grid;gap:14px}.ca-side-card{padding:20px;border-radius:22px;background:#fff;border:1px solid var(--ca-line);box-shadow:0 10px 34px rgba(18,32,51,.055)}.ca-side-card small{font-size:11px;color:var(--ca-green);font-weight:900;letter-spacing:.08em}.ca-side-card h3{margin:8px 0;font-size:20px}.ca-side-card p{margin:0;color:var(--ca-muted);line-height:1.55;font-size:14px}.ca-side-card a{display:inline-block;margin-top:12px;color:#0f5f91;font-weight:850;text-decoration:none}
.ca-picks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0}.ca-pick{padding:18px;border-radius:20px;background:#f7fbff;border:1px solid #dbe9f8}.ca-pick b{display:block;font-size:17px;color:var(--ca-ink);margin-bottom:5px}.ca-pick span{color:var(--ca-muted);line-height:1.5;font-size:14px}
.ca-plan{display:grid;gap:12px;margin:18px 0}.ca-step{display:grid;grid-template-columns:62px 1fr;gap:14px;padding:16px;border:1px solid var(--ca-line);border-radius:18px;background:#fbfdff}.ca-time{font-weight:900;color:var(--ca-blue)}.ca-step b{display:block;color:var(--ca-ink)}.ca-step p{margin:4px 0 0;font-size:14px;color:var(--ca-muted)}
.ca-callout{margin:24px 0;padding:20px 22px;border-radius:20px;background:linear-gradient(135deg,#eaf6f2,#eef6ff);border:1px solid #cae2dc}.ca-callout b{display:block;color:#0d6b59;margin-bottom:5px}.ca-callout p{margin:0}
.ca-sources{margin-top:42px;padding-top:22px;border-top:1px solid var(--ca-line)}.ca-sources h2{margin-top:0;font-size:24px}.ca-sources ul{font-size:13px;color:var(--ca-muted)}.ca-updated{font-size:12px;color:var(--ca-muted);margin-top:14px}.ca-related{margin:34px 0 10px}.ca-related h2{font-size:30px;margin-bottom:14px}.ca-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.ca-related a{display:block;padding:18px;border-radius:18px;background:white;border:1px solid var(--ca-line);text-decoration:none;color:var(--ca-ink);font-weight:850}.ca-related a span{display:block;color:var(--ca-muted);font-weight:500;font-size:13px;margin-top:5px;line-height:1.45}
.ca-faq details{background:#fff;border:1px solid var(--ca-line);border-radius:16px;padding:16px 18px;margin:10px 0}.ca-faq summary{cursor:pointer;font-weight:850;color:var(--ca-ink)}.ca-faq p{margin:10px 0 0;color:var(--ca-muted)}
@media(max-width:900px){.ca-layout{grid-template-columns:1fr}.ca-aside{position:static;grid-template-columns:1fr 1fr}.ca-hero-visual{min-height:300px}.ca-related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.ca-article{padding:21px}.ca-aside,.ca-picks,.ca-related-grid{grid-template-columns:1fr}.ca-step{grid-template-columns:1fr}.ca-hero-visual{min-height:250px}.ca-article h2{margin-top:34px}}