:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#18312c;background:#f3f6f4}*{box-sizing:border-box}body{margin:0}main{max-width:960px;margin:64px auto;padding:0 24px}.brand{font-weight:800;letter-spacing:.16em;color:#24694f}h1{font-size:clamp(30px,5vw,44px);margin:20px 0 12px;letter-spacing:-.04em}.intro{color:#52665f;line-height:1.6;max-width:640px}.notice{padding:16px 20px;background:#e5efe8;border-radius:12px;margin:28px 0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}article{background:white;border:1px solid #dce5df;padding:24px;border-radius:14px}article h2{font-size:18px;margin:0 0 12px}article p{font-size:14px;line-height:1.6;color:#52665f}.badge{font-size:12px;background:#f1f3f2;padding:6px 9px;border-radius:6px;display:inline-block}footer{margin-top:28px;color:#52665f;font-size:13px}@media(max-width:700px){main{margin:32px auto}.cards{grid-template-columns:1fr}}