*{box-sizing:border-box}body{margin:0;background:#f2f2f7;color:#1c1c1e;font:18px/1.65 system-ui,-apple-system,sans-serif}header,main,footer{max-width:960px;margin:auto;padding:28px}header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.brand{font-weight:750;text-decoration:none;display:flex;align-items:center;gap:12px;color:#1c1c1e}.brand img{width:48px;height:48px;border-radius:12px}nav{display:flex;gap:18px;flex-wrap:wrap}a{color:#0a60c8;text-underline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #8a5300;outline-offset:4px}h1{font-size:clamp(32px,5vw,58px);line-height:1.13;letter-spacing:-.035em}h2{line-height:1.25}.card{background:white;border:1px solid #c6c6c8;border-radius:22px;padding:28px;margin:24px 0}.notice{padding:16px;border-left:4px solid #8a5300;background:#fff0c2;font-size:16px}label{display:block;font-weight:650;margin-top:18px}input,textarea{width:100%;font:inherit;border:1px solid #8e8e93;border-radius:8px;padding:12px;background:white;color:#1c1c1e}button,.button{display:inline-block;border:0;border-radius:12px;background:#0a60c8;color:white;padding:14px 20px;font:inherit;text-decoration:none;margin-top:18px}footer{font-size:15px;color:#5b5b60}.muted{color:#5b5b60}form{max-width:660px}@media(max-width:500px){header,main,footer{padding:20px}.card{padding:20px}nav{gap:12px}}