/* ===============================================
   Index Page Specific Styles
   =============================================== */

/* Donki-Bot Series */
.donki-bot-series {
    padding: 80px 0;
    background: var(--color-background);
}

.series-header {
    text-align: center;
    margin-bottom: 0px; /* 画像の余白を優先するため削除 */
}

.series-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 32px;
    line-height: 1.3;
    position: relative;
}

.series-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    margin: 20px auto 0;
}

.series-description {
    color: var(--color-text-dark);
    font-size: 18px;
    line-height: 1.7;
    max-width: 900px;
    margin: 0 auto;
}

/* Donki-Bot Series 追加画像（縦長対策: 高さ上限を設定） */
.series-inline-image {
    display: block !important;
    /* 幅・高さは比率維持、はみ出し防止 */
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
    max-height: none !important; /* 横幅を優先して拡大表示 */
    margin-top: 60px !important;
    margin-bottom: 80px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    border-radius: var(--border-radius-medium) !important;
    box-shadow: var(--shadow-card) !important;
    padding: 0 !important;
}

.product-series {
    margin-bottom: 80px;
}

.series-subtitle {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 40px;
    text-align: center;
    line-height: 1.4;
    position: relative;
}

.series-subtitle::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: var(--color-primary);
    margin: 12px auto 0;
}

/* Product Cards */
.product-card {
    padding: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 24px;
    text-align: left;
    transition: all var(--transition-normal);
}

.product-image {
    flex-shrink: 0;
    width: 200px;
    height: 150px;
    background: var(--color-background-alt);
    border-radius: var(--border-radius-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.product-info {
    flex: 1;
    padding: 24px;
}

.product-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 16px;
    line-height: 1.3;
}

.product-spec {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Package Cards */
.package-card {
    padding: 32px;
    text-align: center;
    transition: all var(--transition-normal);
}

.package-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--color-background-alt);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.package-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--color-primary);
}

.package-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 16px;
}

.package-description {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 24px;
}

/* PC表示でのセクションパディング強化 */
@media (min-width: 1024px) {
    .section {
        padding: 120px 0;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

/* Tablet Styles */
@media (max-width: 1023px) {
    .series-title {
        font-size: 32px;
    }
    
    .product-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .product-image {
        width: 100%;
        max-width: 300px;
        height: 200px;
    }
    
    .product-info {
        padding: 24px;
        text-align: center;
    }
}

/* Mobile Styles */
@media (max-width: 767px) {
    .donki-bot-series {
        padding: 60px 0;
    }
    
    .series-header {
        margin-bottom: 0px !important;
    }
    
    .series-title {
        font-size: 28px;
        margin-bottom: 24px;
    }
    
    .series-description {
        font-size: 16px;
        line-height: 1.7;
        margin-bottom: 32px;
    }
    
    /* モバイルでのTFC画像の余白調整 */
    .series-inline-image {
        margin-top: 40px !important;
        margin-bottom: 60px !important;
        border-radius: var(--border-radius-small) !important;
        display: block !important;
        padding: 0 !important;
        max-height: 320px !important; /* モバイルでの縦の伸びすぎを抑制 */
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .series-subtitle {
        font-size: 20px;
        margin-bottom: 32px;
    }
    
    .product-name {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .product-spec {
        font-size: 14px;
        margin-bottom: 16px;
    }
    
    .product-image {
        height: 180px;
    }
    
    .package-card {
        padding: 24px;
    }
    
    .package-title {
        font-size: 18px;
    }
    
    .package-description {
        font-size: 14px;
    }
}

/* TFS Technology Section */
.tfs-technology {
    padding: 80px 0;
    background: var(--color-background-alt);
}

.tech-content {
    padding: 40px;
    text-align: center;
}

.tech-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 32px;
    line-height: 1.3;
    position: relative;
}

.tech-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    margin: 20px auto 0;
}

.tech-description {
    color: var(--color-text-dark);
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 48px;
    text-align: left;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 48px;
}

.tech-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 48px;
}

.benefit-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.benefit-item p {
    color: var(--color-text-dark);
    font-size: 16px;
    line-height: 1.7;
}

/* Contact CTA */
.contact-cta {
    padding: 80px 0;
    background: var(--color-background);
}

.cta-content {
    text-align: center;
    padding: 40px;
}

.cta-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 32px;
    line-height: 1.3;
}

.cta-description {
    color: var(--color-text-light);
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-background);
    padding: 16px 32px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 18px;
    transition: all var(--transition-normal);
}

.cta-button:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Additional responsive styles for TFS section */
@media (max-width: 1023px) {
    .tech-benefits {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 767px) {
    .tfs-technology,
    .contact-cta {
        padding: 60px 0;
    }
    
    .tech-content,
    .cta-content {
        padding: 24px;
    }
    
    .tech-title,
    .cta-title {
        font-size: 28px;
        margin-bottom: 24px;
    }
    
    .tech-description,
    .cta-description {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 32px;
    }
    
    .benefit-item h3 {
        font-size: 18px;
        margin-bottom: 8px;
    }
    
    .benefit-item p {
        font-size: 15px;
        line-height: 1.6;
    }
    
    .cta-button {
        padding: 16px 32px;
        font-size: 16px;
        min-height: 52px;
    }
}