/*==================================
  全体レイアウト（サイドバー含む）
==================================*/
.products-container {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    margin-bottom: 80px;
}

.products-sidebar {    
    padding: clamp(10px, 5vw, 20px);
    width: clamp(120px, 15vw, 250px);
    background-color: var(--color-white-emphasis);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.products-content {
    flex: 1;
}

.sidebar-title {
    font-size: var(--font-size-h4);
    font-weight: bold;
    color: var(--color-main-text);
    margin-bottom: 15px;
    padding-bottom: 5px;
    border-bottom: 2px solid #ddd;
}

/*==================================
  カテゴリセレクター（サイドバー用）
==================================*/
.products-nav ul.category-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.products-nav ul.category-list .category-button {
    width: 100%;
    text-align: left;
    background-color: transparent;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    font-size: var(--font-size-body-text);
    font-weight: normal;
    transition: background-color 0.3s ease, color 0.3s ease;
    cursor: pointer;
}

.products-nav ul.category-list .category-button.active,
.products-nav ul.category-list .category-button:hover {
    background-color: var(--color-link-text);
    color: var(--color-body-text-dark);
}

/*==================================
  製品グリッドとアイテム（カード表示）
==================================*/
.product-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 0;
}

.product-item {
    padding: 15px;
    text-align: center;
    background-color: var(--color-background);
    border: 1px solid var(--color-background-border);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease;
}

.product-item:hover {
    background-color: var(--color-white-emphasis);
}

.product-item a {
    display: block;
    text-decoration: none;
    color: inherit;
}

.product-image-container {
    width: 100%;
    padding-bottom: 100%;
    position: relative;
    overflow: hidden;
    margin-bottom: 10px;
}

.product-item img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

.product-title {
    margin: 5px 0;
    color: var(--color-body-text);
    font-size: var(--font-size-body-text);
}

.product-details {
    padding: 0;
    text-align: left;
    font-size: var(--font-size-caption);
}

/*==================================
  モバイル用スライドインメニュー
==================================*/
.mobile-menu-container {
    position: fixed;
    top: 0;
    left: -60%;
    width: 60%;
    height: 100%;
    background-color: var(--color-background);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    transition: left 0.3s ease-in-out;
    z-index: 1001;
}

.mobile-menu-container.is-open {
    left: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid #ddd;
}

.mobile-menu-title {
    font-size: var(--font-size-body-text);
    margin: 0;
}

.close-menu-btn {
    background: none;
    color: var(--color-body-text);
    border: none;
    font-size: var(--font-size-h2);
    cursor: pointer;
    line-height: 1;
}

.mobile-category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-category-list li .category-button {
    background: none;
    border: none;
    color: var(--color-body-text);
    width: 100%;
    text-align: left;
    padding: clamp(11px, 1vw, 15px) 20px;
    font-size: var(--font-size-body-text);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.mobile-category-list li .category-button:hover,
.mobile-category-list li .category-button.active {
    background-color: var(--color-white-emphasis);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); 
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s, opacity 0.3s linear;
    z-index: 1000;
}

.mobile-menu-overlay.is-visible {
    visibility: visible;
    opacity: 1;
}

/*==================================
  レスポンシブ対応
==================================*/
@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .product-details {
        line-height: 1.3;
    }
}

@media (max-width: 600px) {
    .products-sidebar {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
        position: absolute;
        color: #333;
        top: 100px;
        left: 100%;
        transform: translateX(0);
        width: 10px;
        text-align: left;
        background-color: rgba(0, 0, 0, 0.05);
        border: 1px solid rgba(0, 0, 0, 0.05);
        border-left: none;
        padding: 15px 15px 15px 10px;
        font-size: var(--font-size-body-text);
        font-weight: bold;
        cursor: pointer;
        border-radius: 0 4px 4px 0;
        box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .mobile-menu-toggle::after {
        content: '›';
        font-size: var(--font-size-h2);
        line-height: 1;
        transition: transform 0.3s ease;
    }

    .mobile-menu-toggle.is-active::after {
        transform: rotate(180deg);
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-details {
        line-height: 1.1;
    }
}

@media (min-width: 600px) {
    .mobile-menu-toggle,
    .mobile-menu-container,
    .mobile-menu-overlay {
        display: none;
    }
}