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solid #cbd5e0;white-space:nowrap}.history-table td{padding:10px 14px;border-bottom:1px solid #edf2f7;color:#4a5568;vertical-align:top}.history-table tbody tr:hover{background:#f7fafc}.text-right{text-align:right}.text-muted{color:#a0aec0;font-style:italic;font-size:.82rem}.history-user{display:flex;align-items:center;gap:8px}.history-user-avatar{width:24px;height:24px;border-radius:50%;object-fit:cover}.history-type-badge{display:inline-block;padding:2px 10px;border-radius:10px;font-size:.78rem;font-weight:600}.history-type-badge.customers{background:#ebf8ff;color:#2b6cb0}.history-type-badge.sites{background:#f0fff4;color:#276749}.history-filters{display:flex;flex-wrap:wrap;gap:4px}.history-filter-tag{display:inline-block;background:#edf2f7;color:#4a5568;padding:2px 8px;border-radius:4px;font-size:.75rem;white-space:nowrap}.history-pagination{display:flex;justify-content:center;align-items:center;gap:16px;padding:14px 20px;border-top:1px solid #e2e8f0}.pagination-info{font-size:.82rem;color:#718096}.btn-sm{padding:5px 14px;font-size:.82rem;border:1px solid #e2e8f0;background:#fff;color:#4a5568;border-radius:4px;cursor:pointer;transition:all .2s}.btn-sm:hover:not(:disabled){background:#edf2f7;border-color:#cbd5e0}.btn-sm:disabled{opacity:.4;cursor:not-allowed}:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--secondary-color: #64748b;--success-color: #10b981;--danger-color: #ef4444;--warning-color: #f59e0b;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #94a3b8;--border-color: #e2e8f0;--border-radius: 8px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}*{margin:0;padding:0;box-sizing:border-box;font-family:inherit}body{font-family:Noto Sans JP,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.6}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-tertiary)}::-webkit-scrollbar-thumb{background:var(--secondary-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{padding:10px 20px;border:none;border-radius:var(--border-radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:8px}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-danger{background-color:var(--danger-color);color:#fff}.btn:disabled{opacity:.9;cursor:not-allowed;filter:saturate(.9) brightness(.98)}.card{background:var(--bg-primary);border-radius:var(--border-radius);padding:20px;box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.form-group{margin-bottom:8px}.form-label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-primary);font-size:14px}.form-input,.form-select,.form-textarea{width:100%;padding:10px 12px;border:1px solid var(--border-color);border-radius:var(--border-radius);font-size:14px;font-family:inherit;transition:border-color .2s ease}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.form-textarea{resize:vertical;min-height:100px}.table{width:100%;border-collapse:collapse;background:var(--bg-primary);border-radius:var(--border-radius);overflow:hidden}.table thead{background-color:var(--bg-tertiary)}.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-color)}.table th{font-weight:600;color:var(--text-primary);font-size:14px}.table td{color:var(--text-secondary);font-size:14px}.table tbody tr:hover{background-color:var(--bg-secondary)}.table tbody tr:last-child td{border-bottom:none}.alert{padding:12px 16px;border-radius:var(--border-radius);margin-bottom:20px;display:flex;align-items:center;gap:12px}.alert-success{background-color:#d1fae5;color:#065f46;border-left:4px solid var(--success-color)}.alert-error{background-color:#fee2e2;color:#991b1b;border-left:4px solid var(--danger-color)}.alert-warning{background-color:#fef3c7;color:#92400e;border-left:4px solid var(--warning-color)}.alert-info{background-color:#dbeafe;color:#1e40af;border-left:4px solid var(--primary-color)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background:var(--bg-primary);border-radius:var(--border-radius);padding:24px;max-width:600px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.spinner{border:3px solid var(--border-color);border-top:3px solid var(--primary-color);border-radius:50%;width:24px;height:24px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.container{padding:0 16px}.table{font-size:12px}.table th,.table td{padding:8px 12px}}``` ## プロジェクト構造（完全版） ``` customer-management/ ├── public/ │ ├── vite.svg │ └── logo192.png ├── src/ │ ├── main.jsx # Reactエントリーポイント │ ├── App.jsx # ルートコンポーネント │ ├── index.css # グローバルスタイル │ ├── config/ │ │ └── api.js │ ├── contexts/ │ │ └── AuthContext.jsx │ ├── pages/ │ │ ├── Login.jsx │ │ ├── Customers.jsx │ │ ├── CustomerDetail.jsx │ │ └── Sites.jsx │ ├── components/ │ │ ├── Header.jsx │ │ ├── Sidebar.jsx │ │ ├── EditHistory.jsx │ │ └── Modal.jsx │ └── utils/ │ └── axios.js ├── index.html # トップのHTML（これ！） ├── package.json ├── vite.config.js └── .env.local{}