.article-stage{padding-top:clamp(1.5rem,4vw,3.5rem);padding-bottom:5rem}.article-feature-image{margin:0 auto 2rem;max-width:1120px}.article-feature-image img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:28px;box-shadow:0 24px 60px rgba(47,39,28,.14)}.article-feature-image figcaption{color:var(--muted,#716b61);font-size:.82rem;margin:.6rem 1rem}.answer-box{max-width:900px;margin:0 auto 3rem;padding:clamp(1.4rem,4vw,2.4rem);border-radius:24px;background:#f2eee4;border:1px solid rgba(80,67,45,.12)}.answer-box h2{margin:.35rem 0 1rem}.answer-box ul{margin:0;padding-left:1.25rem;display:grid;gap:.65rem}.longform-grid{display:grid;grid-template-columns:minmax(210px,260px) minmax(0,760px);gap:clamp(2rem,5vw,5rem);justify-content:center;align-items:start}.article-toc{position:sticky;top:110px;padding:1.3rem;border-radius:18px;background:#fff;border:1px solid rgba(80,67,45,.13);max-height:calc(100vh - 140px);overflow:auto}.article-toc strong{display:block;margin-bottom:.7rem}.article-toc ol{margin:0;padding-left:1.2rem;font-size:.88rem;line-height:1.35}.article-toc li+li{margin-top:.48rem}.article-toc a{color:inherit;text-decoration:none}.article-toc a:hover{text-decoration:underline}.guide-section{scroll-margin-top:110px;padding:0 0 2.6rem;margin-bottom:2.6rem;border-bottom:1px solid rgba(80,67,45,.14)}.guide-section h2{font-size:clamp(1.65rem,3vw,2.35rem);margin:.35rem 0 1rem}.guide-section p{font-size:1.06rem;line-height:1.78}.section-number{font-weight:800;letter-spacing:.12em;color:#9b7240}.practice-note{margin:1.3rem 0;padding:1.15rem 1.25rem;border-left:4px solid #9b7240;background:#f7f3ea;border-radius:0 14px 14px 0;line-height:1.65}.faq-section{scroll-margin-top:110px;margin:3rem 0}.faq-section details{border-bottom:1px solid rgba(80,67,45,.16);padding:1rem 0}.faq-section summary{cursor:pointer;font-weight:750;font-size:1.08rem}.faq-section details p{line-height:1.7}.source-section{padding:1.5rem;border-radius:18px;background:#f5f7f1;margin:2rem 0}.source-section li+li{margin-top:.5rem}.related-card{max-width:1020px;margin:3.5rem auto 0;padding:clamp(1.4rem,4vw,2.4rem);border-radius:24px;background:#273d32;color:#fff}.related-card h2{color:inherit}.related-card>div{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem}.related-card a{display:flex;justify-content:space-between;gap:1rem;padding:1rem;border-radius:13px;background:rgba(255,255,255,.1);color:#fff;text-decoration:none}.notice{display:block;padding:1.2rem;border-radius:14px;background:#fff7dc;line-height:1.6}@media(max-width:850px){.longform-grid{grid-template-columns:1fr}.article-toc{position:static;max-height:none}.related-card>div{grid-template-columns:1fr}}@media(max-width:600px){.article-feature-image img{border-radius:18px}.guide-section p{font-size:1rem}.article-stage{padding-inline:.15rem}}