body{margin:0;background:#f5f6fa;color:#222;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Noto Sans JP',sans-serif}a{color:#0b65c2;text-decoration:none}.wrap{max-width:1100px;margin:0 auto;padding:28px}.card{background:#fff;border-radius:12px;padding:24px;margin:18px 0;box-shadow:0 2px 12px rgba(0,0,0,.06)}input,textarea,select{width:100%;box-sizing:border-box;padding:11px;border:1px solid #d8dce3;border-radius:8px;font-size:15px}textarea{min-height:180px}.btn{display:inline-block;background:#0969da;color:#fff;border:0;border-radius:8px;padding:10px 18px;cursor:pointer;font-weight:700}.btn.gray{background:#6b7280}.btn.red{background:#d33}.nav{background:#fff;border-bottom:1px solid #ddd}.nav .wrap{padding:14px 28px;display:flex;gap:16px;align-items:center}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{border-bottom:1px solid #eee;padding:10px;text-align:left;vertical-align:top}.muted{color:#6b7280}.error{background:#fff0f0;color:#a40000;padding:12px;border-radius:8px}.ok{background:#effaf1;color:#166534;padding:12px;border-radius:8px}.contract{max-width:900px;margin:0 auto;background:#fff;padding:40px;line-height:1.9}.contract-body{white-space:pre-wrap;border:1px solid #e5e7eb;padding:20px;border-radius:8px;background:#fff}.stamp-preview{display:inline-flex;align-items:center;justify-content:center;border:5px solid #d94b35;color:#d94b35;border-radius:50%;width:130px;height:130px;font-size:28px;font-weight:700;margin:12px}.checks label{display:block;margin:10px 0}.checks input{width:auto}.small{font-size:12px}.actions{display:flex;gap:8px;flex-wrap:wrap}@media(max-width:700px){.grid{grid-template-columns:1fr}.wrap{padding:16px}.contract{padding:18px}}