: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: #000;
    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-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 14px;
}

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

.lineup-content > .lineup-price {
    margin-top: 14px;
}

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

.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: 2px;
    }
}

/* 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;
    }
}