:root{--color-primary: #1a365d;--color-primary-light: #2a4a7f;--color-accent: #c9a962;--color-bg: #f7f8fa;--color-surface: #ffffff;--color-text: #1a202c;--color-text-muted: #718096;--color-border: #e2e8f0;--color-success: #38a169;--color-warning: #d69e2e;--color-danger: #e53e3e;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 12px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.app-layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--color-primary);color:#fff;padding:1.5rem 0;position:sticky;top:0;height:100vh;overflow-y:auto}.sidebar-logo{padding:0 1.5rem 1.5rem;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:1rem}.sidebar-logo h1{font-size:1.1rem;font-weight:700;color:var(--color-accent)}.sidebar-logo p{font-size:.75rem;opacity:.7;margin-top:.25rem}.sidebar-nav{list-style:none}.sidebar-nav li a{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.5rem;color:#fffc;font-size:.9rem;transition:all .2s}.sidebar-nav li a:hover,.sidebar-nav li a.active{background:#ffffff1a;color:#fff;text-decoration:none}.sidebar-nav li a.active{border-right:3px solid var(--color-accent)}.main-content{padding:2rem;max-width:1200px}.card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem;margin-bottom:1.5rem}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.card-header h2{font-size:1.1rem;font-weight:600}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}.kpi-card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem;text-align:center}.kpi-card .label{font-size:.8rem;color:var(--color-text-muted);margin-bottom:.5rem}.kpi-card .value{font-size:2rem;font-weight:700;color:var(--color-primary)}.kpi-card .unit{font-size:.85rem;color:var(--color-text-muted)}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1.2rem;border-radius:var(--radius);border:none;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-light)}.btn-accent{background:var(--color-accent);color:var(--color-primary)}.btn-accent:hover{opacity:.9}.btn-outline{background:transparent;border:1px solid var(--color-border);color:var(--color-text)}.btn-outline:hover{background:var(--color-bg)}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:.85rem;font-weight:500;margin-bottom:.4rem;color:var(--color-text)}.form-group select,.form-group input,.form-group textarea{width:100%;padding:.6rem .8rem;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.9rem;font-family:inherit;background:#fff}.form-group textarea{min-height:100px;resize:vertical}.form-group select:focus,.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px #1a365d26}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:.75rem;text-align:left;border-bottom:1px solid var(--color-border);font-size:.9rem}.data-table th{font-weight:600;color:var(--color-text-muted);font-size:.8rem;text-transform:uppercase}.data-table tr:hover{background:var(--color-bg)}.badge{display:inline-block;padding:.2rem .6rem;border-radius:12px;font-size:.75rem;font-weight:500}.badge-success{background:#e6ffed;color:var(--color-success)}.badge-warning{background:#fff9e6;color:var(--color-warning)}.badge-danger{background:#ffe6e6;color:var(--color-danger)}.badge-info{background:#e8f0fe;color:var(--color-primary)}.result-item{border:1px solid var(--color-border);border-radius:var(--radius);padding:1rem;margin-bottom:1rem}.result-item h3{font-size:.95rem;margin-bottom:.5rem;color:var(--color-primary)}.result-item .caption{white-space:pre-wrap;font-size:.9rem;line-height:1.7;margin-bottom:.75rem}.result-item .hashtags{color:var(--color-primary-light);font-size:.85rem}.result-item .meta{display:flex;gap:.5rem;margin-top:.5rem}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:2rem;color:var(--color-text-muted)}.auth-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--color-primary)}.auth-card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:2.5rem;width:100%;max-width:400px;text-align:center}.auth-card h1{color:var(--color-primary);font-size:1.5rem;margin-bottom:.5rem}.auth-card p{color:var(--color-text-muted);margin-bottom:2rem;font-size:.9rem}@media(max-width:768px){.app-layout{grid-template-columns:1fr}.sidebar{position:fixed;left:-240px;z-index:100;transition:left .3s}.sidebar.open{left:0}.main-content{padding:1rem}.card-grid{grid-template-columns:1fr}}