*{box-sizing:border-box;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial}
    body{margin:0;background:#f6f7fb;color:#111}
    .container{max-width:560px;margin:48px auto;background:#fff;padding:24px;border-radius:16px;box-shadow:0 10px 24px rgba(0,0,0,.06)}
    h1{margin:0 0 18px}
    label{display:block;margin:12px 0 8px}
    .req{color:#d00;margin-left:4px}
    input[type=text],input[type=tel]{width:100%;padding:12px;border:1px solid #ddd;border-radius:10px}
    .check{display:flex;gap:10px;align-items:center}
    button{margin-top:14px;width:100%;padding:12px 16px;border:0;border-radius:10px;cursor:pointer;background:#6040af;color:#fff;font-weight:600}
    button:hover{filter:brightness(.95)}
    .alert{background:#ffe8e8;border:1px solid #ffb0b0;padding:10px;border-radius:8px;margin-bottom:10px}