:root{color-scheme:light;--ink:#183044;--muted:#566779;--line:#d9e2e8;--bg:#f7fafc;--accent:#176895}*{box-sizing:border-box}html{font-family:system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;line-height:1.75}body{margin:0;color:var(--ink);background:var(--bg)}.wrap{max-width:900px;margin:auto;padding:0 24px}header,footer{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}header{padding:22px 0;border-bottom:1px solid var(--line)}.brand{font-size:1.15rem;font-weight:750;color:var(--ink);text-decoration:none}nav{display:flex;gap:18px;flex-wrap:wrap}a{color:var(--accent);text-underline-offset:3px}nav a{text-decoration:none}nav a:hover,nav a[aria-current]{text-decoration:underline}main{padding:56px 0 64px}.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.08em;margin:0 0 4px}h1{font-size:clamp(2rem,5vw,3rem);line-height:1.25;margin:0 0 24px}.lead{font-size:1.13rem;color:#354d5f;max-width:65ch}section{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 26px;margin-top:24px}h2{font-size:1.2rem;margin:0 0 8px}section p,section ul{margin:0}li+li{margin-top:6px}.date{margin-top:28px;color:var(--muted)}footer{padding:20px 0 32px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}footer a{margin-left:14px}@media(max-width:560px){main{padding:36px 0 44px}section{padding:18px 20px}}