:root{--accent:#e8837b;--bg:#f4f4f6;--card:#fff;--text:#333;--muted:#888;--ok:#4caf7d;--warn:#e8837b;--mild:#f0a884;font-family:Hiragino Sans,Noto Sans JP,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}.container{max-width:820px;margin:0 auto;padding:16px}.card{background:var(--card);border-radius:12px;margin-bottom:16px;padding:16px}.btn{cursor:pointer;color:var(--text);text-align:center;background:#eee;border:none;border-radius:8px;padding:12px 24px;font-size:16px;text-decoration:none;display:inline-block}.btn-primary{background:var(--accent);color:#fff}.btn-large{padding:16px 32px;font-size:18px}.btn:disabled{opacity:.5}input,select{border:1px solid #ccc;border-radius:8px;width:100%;padding:10px;font-size:16px}.field{margin-bottom:12px}.field label{color:var(--muted);margin-bottom:4px;font-size:14px;display:block}.row{align-items:center;gap:12px;display:flex}.spacer{flex:1}.error{color:#c0392b;font-size:14px}.disclaimer{color:var(--muted);margin-top:24px;font-size:12px}