body {
            font-family: 'Inter', 'Noto Sans JP', sans-serif;
            scroll-behavior: smooth;
        }
        .orange-primary { color: #FF6B00; }
        .bg-orange-primary { background-color: #FF6B00; }
        .border-orange-primary { border-color: #FF6B00; }
        
        .page-content {
            display: none;
            opacity: 0;
            transform: translateY(15px);
            transition: opacity 0.4s ease-out, transform 0.4s ease-out;
        }
        .active-page {
            display: block;
            opacity: 1;
            transform: translateY(0);
        }
        
        .nav-link-active {
            color: #FF6B00;
            position: relative;
        }
        .nav-link-active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #FF6B00;
        }
        
        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: 0 30px 40px -10px rgba(0, 0, 0, 0.12);
        }

        .logo-rakudis { height: 48px; }

        .lineup-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 24px;
            background-color: #FF6B00;
            margin-right: 12px;
            vertical-align: middle;
            border-radius: 2px;
        }

        .spec-table th {
            text-align: left;
            font-size: 0.75rem;
            color: #9CA3AF;
            padding: 0.85rem 0;
            border-bottom: 1px solid #F3F4F6;
            width: 45%;
        }
        .spec-table td {
            text-align: right;
            font-size: 0.875rem;
            font-weight: 700;
            color: #111827;
            padding: 0.85rem 0;
            border-bottom: 1px solid #F3F4F6;
        }

        /* 高度な仕様表のスタイル (LED販売用) */
        .complex-spec-container {
            width: 100%;
            overflow-x: auto;
            border-radius: 1.5rem;
            border: 1px solid #E5E7EB;
            background: white;
        }
        .complex-spec-table {
            width: 100%;
            min-width: 800px;
            border-collapse: collapse;
            font-size: 0.8125rem;
        }
        .complex-spec-table th, .complex-spec-table td {
            padding: 1rem;
            border-bottom: 1px solid #F3F4F6;
            border-right: 1px solid #F3F4F6;
        }
        .complex-spec-table th {
            background-color: #F9FAFB;
            color: #6B7280;
            font-weight: 700;
            text-align: left;
            width: 200px;
        }
        .complex-spec-table td {
            color: #111827;
            font-weight: 500;
            text-align: center;
        }
        .complex-spec-table .model-header {
            background-color: #111827;
            color: white;
            text-align: center;
            font-weight: 800;
            font-style: normal;
        }

        /* LCD仕様表スタイル */
        .lcd-spec-table {
            width: 100%;
            min-width: 900px;
            border-collapse: collapse;
            font-size: 0.8125rem;
            table-layout: fixed;
        }
        .lcd-spec-table th, .lcd-spec-table td {
            padding: 1.25rem 1rem;
            border-bottom: 1px solid #F3F4F6;
            border-right: 1px solid #F3F4F6;
            text-align: left;
            word-wrap: break-word;
        }
        .category-cell {
            background-color: #F3F4F6;
            color: #374151;
            font-weight: 800;
            width: 180px;
        }
        .item-header {
            background-color: #F9FAFB;
            color: #6B7280;
            font-weight: 700;
            width: 220px;
        }
        .content-cell {
            color: #111827;
            font-weight: 500;
        }

        .tag-indoor { background-color: #EFF6FF; color: #2563EB; border: 1px solid #DBEAFE; }
        .tag-outdoor { background-color: #FFF7ED; color: #EA580C; border: 1px solid #FFEDD5; }
        .tag-transparent { background-color: #ECFDF5; color: #059669; border: 1px solid #D1FAE5; }
        .tag-sales { background-color: #111827; color: white; }
        .tag-rental { background-color: #FF6B00; color: white; }

        .product-tag {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.625rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .dl-card {
            background: white;
            border: 1px solid #F3F4F6;
            border-radius: 1.25rem;
            padding: 1.125rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all 0.2s ease;
        }
        .dl-card:hover {
            border-color: #FF6B00;
            background-color: #FFF9F5;
        }

        .support-tab-btn {
            padding: 1rem 1.5rem;
            font-weight: 700;
            font-size: 0.875rem;
            border-bottom: 3px solid transparent;
            transition: all 0.2s;
            color: #9CA3AF;
            white-space: nowrap;
        }
        .support-tab-btn.active {
            color: #FF6B00;
            border-color: #FF6B00;
        }

        .image-content {
            display: none;
            animation: fadeIn 0.5s ease-in-out;
        }
        .image-content.active {
            display: block;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: scale(0.99); }
            to { opacity: 1; transform: scale(1); }
        }

        .slider-item {
            position: absolute;
            inset: 0;
            opacity: 0;
            transition: opacity 0.8s ease-in-out;
        }
        .slider-item.active {
            opacity: 1;
            z-index: 10;
        }