:root{--primary:#2563eb;--primary-hover:#1d4ed8;--success:#16a34a;--danger:#dc2626;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-500:#6b7280;--gray-700:#374151;--gray-900:#111827;--background:#fff;--foreground:#111827}*{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100vw;overflow-x:hidden}body{color:var(--foreground);background:var(--gray-50);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif;line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:960px;margin:0 auto;padding:24px 16px}.header{background:var(--background);border-bottom:1px solid var(--gray-200);margin-bottom:24px;padding:16px 0}.header h1{max-width:960px;color:var(--gray-900);margin:0 auto;padding:0 16px;font-size:20px}.card{background:var(--background);border:1px solid var(--gray-200);border-radius:8px;margin-bottom:16px;padding:24px}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;padding:12px 24px;font-size:16px;font-weight:600;transition:background .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-primary:disabled{background:var(--gray-300);cursor:not-allowed}.btn-success{background:var(--success);color:#fff;min-width:120px;min-height:48px;font-size:16px}.btn-success:hover{background:#15803d}.btn-back{background:var(--gray-200);color:var(--gray-700)}.btn-back:hover{background:var(--gray-300)}.error-message{color:var(--danger);background:#fef2f2;border:1px solid #fecaca;border-radius:8px;margin-bottom:16px;padding:12px 16px}.info-message{color:var(--primary);background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;margin-bottom:16px;padding:12px 16px}select{border:1px solid var(--gray-300);background:var(--background);color:var(--foreground);border-radius:8px;width:100%;max-width:400px;padding:10px 14px;font-size:16px}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--gray-200);padding:12px 8px}th{color:var(--gray-500);font-size:14px;font-weight:600}td{font-size:15px}.status-done{color:var(--success);font-weight:600}.status-pending{color:var(--gray-500)}.tabs{border-bottom:2px solid var(--gray-200);gap:4px;margin-bottom:20px;display:flex;overflow-x:auto}.tab{cursor:pointer;color:var(--gray-500);white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-2px;padding:12px 20px;font-size:15px;font-weight:500}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.tab:hover:not(.active){color:var(--gray-700)}.prompt-content{background:var(--gray-50);border:1px solid var(--gray-200);white-space:pre-wrap;word-wrap:break-word;border-radius:8px;max-height:60vh;padding:20px;font-size:14px;line-height:1.8;overflow-y:auto}.copy-area{justify-content:flex-end;margin-bottom:12px;display:flex}@media (max-width:640px){.container{padding:16px 12px}.card{padding:16px}th,td{padding:8px 4px;font-size:13px}.btn,.btn-success{width:100%}.hide-mobile{display:none}.prompt-content{padding:12px;font-size:13px}}