:root{color-scheme:light;--ink:#111827;--muted:#5b6472;--line:#d9dee8;--accent:#e11d48;--accent2:#0f766e;--paper:#fff;--soft:#f6f7fb}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}.site-header{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding:16px clamp(16px,4vw,48px);position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);z-index:3}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;text-decoration:none;letter-spacing:0}.mark{display:grid;place-items:center;width:40px;height:40px;background:var(--ink);color:white;border-radius:6px;font-size:13px}.site-header nav{display:flex;gap:14px}.site-header a{color:var(--ink);text-decoration:none}.hero{padding:52px clamp(16px,4vw,48px) 28px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#f9fafc)}.hero-inner,.content,.archive,.article{max-width:980px;margin:0 auto}.hero h1{font-size:clamp(36px,6vw,68px);line-height:1;margin:0 0 14px;font-weight:900}.hero p{max-width:700px;color:var(--muted);font-size:19px;margin:0}.content{padding:28px clamp(16px,4vw,48px)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.card{border:1px solid var(--line);border-radius:8px;padding:18px;background:#fff;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:10px;min-height:220px}.card:hover{border-color:var(--accent)}.card h2{font-size:21px;line-height:1.15;margin:0}.date{font-size:13px;text-transform:uppercase;color:var(--accent2);font-weight:800;letter-spacing:.04em}.excerpt{color:var(--muted);margin:0}.article{padding:38px clamp(16px,4vw,48px);max-width:820px}.article h1{font-size:clamp(32px,5vw,54px);line-height:1.04;margin:0 0 12px}.article-content{font-size:19px}.article-content img{max-width:100%;height:auto;border-radius:8px}.article-content a{color:var(--accent)}.archive{padding:34px clamp(16px,4vw,48px)}.archive-list{list-style:none;padding:0;margin:20px 0;display:grid;gap:10px}.archive-list a{color:var(--ink);font-weight:700}.site-footer{border-top:1px solid var(--line);padding:22px clamp(16px,4vw,48px);color:var(--muted);font-size:14px}.notice{border:1px solid #fed7aa;background:#fff7ed;color:#7c2d12;padding:12px 14px;border-radius:8px;margin:20px 0}@media (max-width:640px){.site-header{align-items:flex-start;flex-direction:column}.hero{padding-top:34px}.article-content{font-size:17px}}