:root{color-scheme:light;--ink:#142b37;--muted:#526774;--accent:#006c67;--line:#d9e5e7;--paper:#fff;--bg:#f3f7f7;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);line-height:1.7}a{color:var(--accent);text-underline-offset:3px}a:focus-visible{outline:3px solid #008c85;outline-offset:4px}header,main,footer{max-width:960px;margin:auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{font-weight:750;font-size:1.15rem;text-decoration:none;color:var(--ink)}.tag{color:var(--accent);text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;font-weight:700}h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.12;letter-spacing:-.035em;margin:16px 0 24px}h2{line-height:1.3;font-size:1.35rem;margin-top:32px}p{margin:0 0 16px}.intro{font-size:1.18rem;color:var(--muted);max-width:690px}.hero{padding:38px 0 28px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card,.notice{background:var(--paper);padding:24px;border:1px solid var(--line);border-radius:16px}.card h2{margin:0 0 12px}.notice{margin-top:24px;border-left:4px solid var(--accent)}.button{display:inline-block;background:var(--accent);color:white;text-decoration:none;padding:12px 20px;border-radius:8px;font-weight:650;margin-top:10px}.policy{max-width:780px}.policy h1{font-size:clamp(2rem,4vw,2.8rem)}li{margin-bottom:8px}code{padding:2px 7px;background:#e5efef;border-radius:4px}footer{border-top:1px solid var(--line);margin-top:32px;color:var(--muted);font-size:.9rem}footer p{margin-bottom:8px}.skip{position:absolute;left:16px;top:-90px;background:white;padding:10px}.skip:focus{top:10px}@media(max-width:680px){header,main,footer{padding:20px}.cards{grid-template-columns:1fr}header{align-items:flex-start;flex-direction:column;gap:8px}.hero{padding-top:24px}}