:root{font-family:system-ui,sans-serif;color:#1e1c1a;background:#f7f5f0}body{margin:0}main{max-width:480px;margin:16vh auto;padding:36px;background:#fff;border:1px solid #dcd3c4;border-radius:12px}h1{font-size:32px;line-height:1.2}p{line-height:1.6;color:#4a453f}a{display:inline-block;background:#23211f;color:#f3efe8;padding:12px 20px;border-radius:8px;text-decoration:none;margin-top:16px}.brand{color:#85592a;letter-spacing:.08em;font-size:13px;font-weight:700}.note{font-size:13px;color:#6a645b}@media(max-width:550px){main{margin:12vh 16px;padding:24px}}