.art{max-width:760px;margin:0 auto;padding-bottom:32px}.art:has(.art-list){max-width:1080px}.art-h1{font-size:clamp(28px,5vw,40px);font-weight:700;line-height:1.14;letter-spacing:-.02em;margin:6px 0 12px;color:var(--c-ink)}.art-meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13.5px;color:var(--c-sub);margin-bottom:18px}.art-meta>span{display:inline-flex;align-items:center;gap:6px}.art-lead{font-size:17px;line-height:1.65;color:var(--c-text);margin:0 0 22px;padding:16px 18px;border-radius:14px;background:color-mix(in srgb,var(--c-brand) 6%,var(--c-card));border:1px solid color-mix(in srgb,var(--c-brand) 18%,transparent)}.art-toc{margin:0 0 26px;padding:16px 18px;border-radius:14px;border:1px solid var(--c-border);background:var(--c-card)}.art-toc-t{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--c-sub);margin-bottom:10px}.art-toc ol{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px;font-size:15px}.art-toc a{color:var(--c-brand);text-decoration:none}.art-toc a:hover{text-decoration:underline}.art-body{max-width:none}.art-body h2{scroll-margin-top:84px}.art-body a{color:var(--c-brand);font-weight:600;text-underline-offset:3px}.art-body .tbl{overflow-x:auto;margin:8px 0 16px}.art-body .tbl table{width:100%;min-width:480px;margin:0}.art-cta{display:grid;gap:10px;margin:32px 0}@media(min-width:640px){.art-cta{grid-template-columns:1fr 1fr}}.art-cta-card{display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:14px;text-decoration:none;background:var(--c-card);color:var(--c-ink);border:1px solid var(--c-border);transition:border-color .15s ease,transform .15s ease}.art-cta-card>span{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}.art-cta-card small{color:var(--c-sub);font-size:13px}.art-cta-card.is-main{background:var(--c-brand);color:#fff;border-color:transparent}.art-cta-card.is-main small{color:#fffc}@media(hover:hover){.art-cta-card:hover{transform:translateY(-2px);border-color:var(--c-brand)}}.art-related h2{display:flex;align-items:center;gap:8px;font-size:20px;margin:8px 0 14px;color:var(--c-ink)}.art-related ul,.art-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.art .link-card{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border-radius:14px;text-decoration:none;background:var(--c-card);border:1px solid var(--c-border);color:var(--c-ink);line-height:1.45}.art .link-card span{color:var(--c-sub);font-size:13.5px}@media(hover:hover){.art .link-card:hover{border-color:var(--c-brand)}}.art-list{margin-top:8px}.art-item{display:flex;flex-direction:column;gap:8px;height:100%;padding:18px 20px;border-radius:16px;text-decoration:none;background:var(--c-card);color:var(--c-ink);border:1px solid var(--c-border);transition:border-color .15s ease,transform .15s ease}.art-item h2{font-size:18px;line-height:1.35;margin:0}.art-item p{margin:0;font-size:14.5px;line-height:1.55;color:var(--c-sub);flex:1}.art-item-foot{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--c-sub)}.art-item-foot>span{display:inline-flex;align-items:center;gap:5px}.art-item-foot svg:last-child{color:var(--c-brand)}@media(hover:hover){.art-item:hover{transform:translateY(-2px);border-color:var(--c-brand)}}