:root {
            --pd-accent: #C5A065;
            --pd-bg-light: #FAFAFA;
            --pd-border: #eee;
        }

        body {
            background-color: var(--pd-bg-light);
            color: #333;
        }

        main {
            padding-top: 0;
            padding-bottom: 0;
        }

        /* Hero Section */
        .hero-section {
            background: #111;
            color: #fff;
            padding: 160px 0 80px;
            margin-bottom: 80px;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap: 60px;
        }

        .hero-label {
            display: inline-block;
            font-family: 'Outfit', sans-serif;
            font-size: 1.1rem;
            color: var(--pd-accent);
            letter-spacing: 0.2em;
            margin-bottom: 16px;
            font-weight: 600;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 24px;
            letter-spacing: 0.05em;
            line-height: 1.3;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: #ccc;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .hero-visual img {
            width: 100%;
            border-radius: 16px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            display: block;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-content {
                text-align: center;
            }
        }

        /* Product Detail Container */
        .container-narrow {
            max-width: 1100px;
            margin: 0 auto;
            width: 90%;
        }

        /* Feature Cards */
        .concept-section {
            text-align: center;
            margin-bottom: 100px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .section-desc {
            color: #666;
            margin-bottom: 40px;
            line-height: 1.8;
            font-size: 1.1rem;
        }

        .feature-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border-radius: 16px;
            padding: 40px 32px;
            text-align: center;
            border: 1px solid var(--pd-border);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
            transition: transform 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
        }

        .feature-card-icon {
            /* 共有のstyle.cssにて定義されています */
        }

        .feature-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #111;
            line-height: 1.4;
        }

        .feature-card-desc {
            font-size: 0.95rem;
            color: #666;
            line-height: 1.6;
            text-align: left;
        }

        @media (max-width: 768px) {
            .feature-cards {
                grid-template-columns: 1fr;
            }
        }

        /* Video Section */
        .video-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .video-wrapper {
            aspect-ratio: 16/9;
            background: #000;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        @media (max-width: 900px) {
            .video-grid {
                grid-template-columns: 1fr;
            }
        }

        /* CTA Section styles removed */

        /* Lineup Section */
        .lineup-section {
            background: #FAFAFA;
            padding: 80px 0;
        }

        .lineup-title-area {
            text-align: center;
            margin-bottom: 48px;
        }

        .lineup-main-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .lineup-sub-title {
            color: #666;
            font-size: 1rem;
        }

        .lineup-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .lineup-item {
            background: #fff;
            border: 1px solid #eee;
            border-radius: 12px;
            padding: 32px;
            display: flex;
            gap: 40px;
            align-items: center;
        }

        .lineup-content {
            flex: 1;
        }

        .lineup-title {
            display: flex;
            align-items: baseline;
            gap: 16px;
            border-bottom: 1px solid #eee;
            padding-bottom: 16px;
            margin-bottom: 16px;
        }

        .lineup-name {
            font-size: 1.8rem;
            font-weight: 700;
            color: #111;
        }

        .lineup-desc {
            font-size: 0.95rem;
            color: #d32f2f;
            font-weight: 500;
        }

        .lineup-text {
            color: #555;
            line-height: 1.8;
            font-size: 0.95rem;
        }

        .lineup-price {
            display: inline-flex;
            align-items: baseline;
            gap: 12px;
            margin-top: 14px;
            color: #555;
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .lineup-price-label {
            font-weight: 500;
            white-space: nowrap;
        }

        .lineup-price-value {
            color: #111;
            font-weight: 700;
            white-space: nowrap;
        }

        .lineup-image {
            width: 320px;
            height: 200px;
            background: #f5f5f5;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            overflow: hidden;
        }

        .lineup-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .maker-link-container {
            text-align: center;
            margin-top: 48px;
        }

        .btn-maker-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #1e293b;
            color: #fff;
            padding: 16px 32px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }

        .btn-maker-link:hover {
            background: #0f172a;
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .lineup-item {
                flex-direction: column-reverse;
                gap: 24px;
                padding: 24px;
            }

            .lineup-title {
                flex-direction: column;
                gap: 8px;
            }

            .lineup-image {
                width: 100%;
            }

            .lineup-price {
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .lineup-price {
                align-items: flex-start;
                flex-direction: column;
                gap: 8px;
            }
        }

        /* Product Navigation */
        .product-nav-section {
            padding: 60px 0;
            background: #fff;
            border-top: 1px solid #eee;
        }

        .product-nav-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .product-nav-card {
            display: block;
            padding: 24px;
            text-align: center;
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 12px;
            text-decoration: none;
            color: #333;
            transition: all 0.3s;
        }

        .product-nav-card:hover {
            background: #fff;
            border-color: var(--pd-accent);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
            transform: translateY(-3px);
        }

        .product-nav-name {
            font-size: 1.2rem;
            font-weight: 700;
            font-family: 'Outfit', sans-serif;
            margin-bottom: 8px;
        }

        .product-nav-arrow {
            color: var(--pd-accent);
            font-size: 0.9rem;
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .product-nav-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .product-nav-grid {
                grid-template-columns: 1fr;
            }
        }