:root{--color-bg: #f3f4f6;--color-surface: #ffffff;--color-primary: #4f46e5;--color-primary-dark: #3730a3;--color-primary-light: #e0e7ff;--color-accent: #f59e0b;--color-danger: #ef4444;--color-text: #1f2937;--color-text-muted: #6b7280;--color-border: #e5e7eb;--shadow-card: 0 1px 3px rgba(0, 0, 0, .05), 0 4px 12px rgba(0, 0, 0, .03);--shadow-popup: 0 10px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--radius: 12px}*{box-sizing:border-box}body{background:var(--color-bg);color:var(--color-text);font-family:Outfit,Inter,Hiragino Sans,Yu Gothic,Meiryo,sans-serif}.tab-nav{display:flex;gap:4px;margin-bottom:20px;background:#e5e7eb;padding:4px;border-radius:calc(var(--radius) + 2px);flex-wrap:wrap}.tab-btn{flex:1;min-width:80px;padding:10px 14px;border:none;background:transparent;border-radius:var(--radius);font-size:.85rem;font-weight:600;cursor:pointer;color:var(--color-text-muted);transition:all .2s cubic-bezier(.4,0,.2,1);text-align:center;display:flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap}.tab-btn.active{background:#fff;color:var(--color-primary);box-shadow:0 2px 8px #4f46e51f}.tab-panel{display:none}.tab-panel.active{display:block}.card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:24px;margin-bottom:20px;border:1px solid rgba(229,231,235,.5);transition:transform .2s,box-shadow .2s;min-width:0}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;border-bottom:1px solid var(--color-border);padding-bottom:12px}.card-title{font-size:1.1rem;font-weight:700;color:var(--color-text);display:flex;align-items:center;gap:8px}label{display:block;font-size:.78rem;font-weight:600;color:var(--color-text-muted);margin-bottom:6px;letter-spacing:.02em}input[type=text],input[type=number],input[type=date],select,textarea{width:100%;padding:10px 14px;border:1.5px solid var(--color-border);border-radius:8px;font-size:.9rem;color:var(--color-text);background:#fafafa;transition:border-color .15s,box-shadow .15s,background-color .15s;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #4f46e526;background:#fff}.map-container{height:350px;width:100%;border-radius:var(--radius);border:1px solid var(--color-border);position:relative;z-index:10;box-shadow:var(--shadow-card)}.map-search-bar{display:flex;gap:6px;position:absolute;top:10px;left:50px;right:10px;z-index:1000;background:#fff;padding:4px;border-radius:8px;box-shadow:var(--shadow-popup);max-width:400px}.map-search-bar input{padding:6px 10px;border:1px solid var(--color-border);border-radius:6px;font-size:.82rem;flex:1}.map-search-bar button{padding:6px 12px;background:var(--color-primary);color:#fff;border:none;border-radius:6px;font-size:.82rem;font-weight:600;cursor:pointer}.shop-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-bottom:20px}.shop-card{background:#fff;border-radius:var(--radius);border:1px solid var(--color-border);padding:16px;display:flex;gap:16px;align-items:center;transition:all .2s;position:relative}.shop-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:#cbd5e1}.shop-logo-container{width:64px;height:64px;border-radius:8px;background:#f3f4f6;display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;border:1px solid #f1f5f9}.shop-logo-img{width:100%;height:100%;object-fit:contain}.shop-logo-fallback{font-size:1.8rem}.shop-info{flex:1;min-width:0}.shop-name{font-size:.95rem;font-weight:700;margin:0 0 4px;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.shop-memo{font-size:.78rem;color:var(--color-text-muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}.item-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.item-card{background:#fff;border-radius:var(--radius);border:1px solid var(--color-border);padding:20px;display:flex;flex-direction:column;transition:all .2s}.item-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px -6px #00000014;border-color:#cbd5e1}.item-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.item-name{font-size:1.1rem;font-weight:800;color:var(--color-text);margin:0}.item-category{display:inline-block;padding:2px 8px;background:#f1f5f9;border-radius:99px;font-size:.7rem;font-weight:600;color:#475569}.stats-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:#f8fafc;padding:10px;border-radius:8px;margin-bottom:12px}.stat-box{display:flex;flex-direction:column;gap:2px}.stat-box .lbl{font-size:.7rem;font-weight:600;color:var(--color-text-muted)}.stat-box .val{font-size:1.1rem;font-weight:800;color:var(--color-primary)}.stat-box .val.lowest{color:#10b981}.shop-prices-list{display:flex;flex-direction:column;gap:6px;flex:1}.shop-price-row{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;padding:4px 0;border-bottom:1px dashed #f1f5f9}.shop-price-row:last-child{border-bottom:none}.shop-price-name{color:var(--color-text);font-weight:500;display:flex;align-items:center;gap:4px}.shop-price-val{font-weight:700;color:var(--color-text)}.shop-price-val.is-lowest{color:#10b981}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border:none;border-radius:8px;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .15s cubic-bezier(.4,0,.2,1)}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px)}.btn-secondary{background:var(--color-border);color:var(--color-text)}.btn-secondary:hover{background:#cbd5e1}.btn-danger{background:#fee2e2;color:var(--color-danger)}.btn-danger:hover{background:#fecaca}.btn-sm{padding:6px 12px;font-size:.78rem}.btn-icon{padding:6px;background:transparent;border:none;cursor:pointer;border-radius:6px;color:var(--color-text-muted);transition:all .15s;display:inline-flex;align-items:center}.btn-icon:hover{background:var(--color-border);color:var(--color-text)}.btn-icon.danger:hover{background:#fee2e2;color:var(--color-danger)}.modal-overlay{display:none;position:fixed;inset:0;background:#0f172a99;z-index:1000;justify-content:center;align-items:center;backdrop-filter:blur(4px)}.modal-overlay.open{display:flex}.modal{background:#fff;border-radius:16px;padding:28px;width:min(580px,95vw);max-height:90vh;overflow-y:auto;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;border:1px solid var(--color-border)}.modal-title{font-size:1.2rem;font-weight:800;margin-bottom:20px;color:var(--color-text);border-bottom:1px solid var(--color-border);padding-bottom:12px}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:24px;border-top:1px solid var(--color-border);padding-top:16px}.price-table{width:100%;border-collapse:collapse;font-size:.85rem;white-space:nowrap;-webkit-overflow-scrolling:touch}.price-table th,.price-table td{white-space:nowrap;padding:10px 12px;text-align:left;border-bottom:1px solid var(--color-border)}.price-table th{font-weight:600;color:var(--color-text-muted);background:#f8fafc}.empty-state{text-align:center;padding:48px 24px;color:var(--color-text-muted);background:#fff;border-radius:var(--radius);border:1.5px dashed var(--color-border)}.empty-state .empty-icon{font-size:3rem;margin-bottom:12px}.empty-state p{font-size:.95rem;margin:0}.form-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}.form-group{margin-bottom:16px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}@media(max-width:600px){.form-row{grid-template-columns:minmax(0,1fr);gap:12px}}