*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial,'Noto Sans','Apple Color Emoji','Segoe UI Emoji';color:#111;background:#fafafa}
.site-header{padding:32px 16px;text-align:center;background:#fff;border-bottom:1px solid #eee}
h1{margin:0;font-size:40px;letter-spacing:-0.02em}
.subtitle{margin:8px 0 0;color:#555}
.container{max-width:980px;margin:0 auto;padding:24px 16px}
.hero{background:#fff;border:1px solid #eee;border-radius:16px;padding:24px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.btn{display:inline-block;padding:12px 16px;border-radius:12px;border:1px solid #111;text-decoration:none;color:#111;font-weight:600}
.btn:hover{transform:translateY(-1px)}
.btn.outline{background:transparent}
.site-footer{padding:24px 16px;text-align:center;color:#666}
.form{background:#fff;border:1px solid #eee;border-radius:16px;padding:20px;max-width:720px;margin:0 auto}
.input, textarea, select{width:100%;padding:12px;border:1px solid #ccc;border-radius:10px}
label{font-weight:600;margin:12px 0 6px;display:block}
.radio-row{display:flex;gap:16px;align-items:center;margin:8px 0}
.notice{background:#f5f8ff;border:1px solid #c9d8ff;border-radius:12px;padding:12px;margin:12px 0;color:#1a2b6b}
.success{background:#f5fff6;border:1px solid #bfe5c2;color:#174d1d}
.error{background:#fff5f5;border:1px solid #f0c7c7;color:#6b1a1a}
.small{color:#666;font-size:14px}
.result{white-space:pre-wrap;background:#fff;border:1px dashed #ddd;border-radius:12px;padding:12px}
.center{text-align:center}