:root{--bg:#f5f6f8;--panel:#ffffff;--border:#e2e5ea;--text:#1f2430;--muted:#6b7280;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-soft:#eff4ff;--danger:#dc2626;--ok:#059669}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Noto Sans JP,Meiryo,sans-serif;font-size:15px;line-height:1.6}a{color:var(--primary)}.container{max-width:880px;margin:0 auto;padding:32px 20px 64px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:24px}h1{font-size:22px;margin:0 0 4px}h2{font-size:16px;margin:0 0 12px}.muted{color:var(--muted);font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:8px;border:1px solid var(--primary);background:var(--primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s}.btn:hover:not(:disabled){background:var(--primary-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:#fff;color:var(--text);border-color:var(--border)}.btn-ghost:hover:not(:disabled){background:#f3f4f6}.tab{padding:8px 16px;border:none;border-bottom:2px solid transparent;background:none;color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;margin-bottom:-1px}.tab:hover{color:var(--text)}.tab-active{color:var(--primary);border-bottom-color:var(--primary)}.btn-link,.btn-link-danger{border:none;background:none;padding:0;font-size:13px;font-weight:600;cursor:pointer;text-decoration:underline}.btn-link{color:var(--primary)}.btn-link-danger{color:var(--danger)}.field{margin-bottom:16px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.field input,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit}.field textarea{resize:vertical;min-height:80px}.field .req{color:var(--danger);margin-left:2px}.error-text{color:var(--danger);font-size:13px;margin-top:8px}.week-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.week-range{font-weight:700;font-size:15px}.week-grid{display:grid;grid-template-columns:56px repeat(5,1fr);border:1px solid var(--border);border-radius:8px;overflow:hidden;background:#fff}.week-grid>.cell{border-right:1px solid var(--border);border-bottom:1px solid var(--border);padding:6px 4px;font-size:13px;text-align:center;min-height:38px;display:flex;align-items:center;justify-content:center}.week-grid>.cell.col-last{border-right:none}.week-grid>.cell.row-last{border-bottom:none}.week-grid>.cell.head{background:#f8fafc;font-weight:700;font-size:13px;color:var(--text);padding:8px 4px;flex-direction:column;gap:2px}.week-grid>.cell.head .wd{font-size:11px;color:var(--muted);font-weight:600}.week-grid>.cell.head.today{background:var(--primary-soft);color:var(--primary)}.week-grid>.cell.head.head-holiday{color:var(--danger)}.week-grid>.cell.time{background:#f8fafc;color:var(--muted);font-size:12px;font-weight:600}.week-grid>.cell.slot-cell{padding:4px;background:#fff}.week-grid>.cell.slot-cell.disabled{background:#f3f4f6;color:#cbd5e1}.week-grid>.cell.slot-cell.holiday{background:#fafafa}.slot-btn{display:block;width:100%;padding:6px 4px;border:1px solid var(--primary);border-radius:6px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;cursor:pointer;transition:all .12s}.slot-btn.selected,.slot-btn:hover{background:var(--primary);color:#fff}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}.badge-on{background:#d1fae5;color:var(--ok)}.badge-off{background:#f3f4f6;color:var(--muted)}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-size:12px;font-weight:600}.toggle{position:relative;width:44px;height:24px;border-radius:999px;background:#cbd5e1;border:none;cursor:pointer;transition:background .15s}.toggle.on{background:var(--ok)}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .15s}.toggle.on:after{transform:translateX(20px)}