/* ブログスライダー専用スタイル */

/* スライダーコンテナ */
.blog-slider-container {
    position: relative;
    width: 100%;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 100px;
}
@media screen and (max-width: 767px) {
    .blog-slider-container {
        margin-bottom: 150px;
    }
}
@media screen and (max-width: 500px) {
    .blog-slider-container {
        margin-bottom: 60px;
    }
}
/* スライダーラッパー */
.blog-slider-wrapper {
    position: relative;
    width: 100%;
    height: 350px;
    overflow-x: clip;
}
@media screen and (max-width: 767px) {
    .blog-slider-wrapper {
        height: 700px;
    }
}

/* スライドトラック */
.blog-slider-track {
    position: absolute;
    display: flex;
    align-items: center;
    height: 100%;
    transition: transform 0.6s ease;
    /* 中央揃えの基準点 */
    left: 50%;
}

/* スライドアイテム */
.blog-slider-slide {
    position: relative;
    width: 90vw;
    max-width: 1100px;
    height: 350px;
    background-color: var(--baseColor);
    overflow: hidden;
    flex-shrink: 0;
    padding: 0 0.528%;
    margin-right: 180px;
    transition: all 0.3s ease;

    box-shadow: 0 0 15px 5px rgba(0, 0, 0, 0.25);
}
@media screen and (max-width: 767px) {
    .blog-slider-slide {
        height: initial;
        margin-right: 180px;
        padding: 30px 15px 50px;
    }
}
.blog-slider-slide:last-child {
    margin-right: 0;
}

/* スライドリンク */
.blog-slider-link {
    position: relative;
    display: flex;
    align-items: center;
    column-gap: 33px;
    width: 100%;
    height: 100%;
    transition: opacity 0.3s ease;
    cursor: pointer;
    pointer-events: auto;
}

.blog-slider-slide.active .blog-slider-link:hover {
    opacity: 0.95;
}

/* 画像エリア */
.blog-slider-image {
    width: 40%;
    max-width: 412px;
    aspect-ratio: 412 / 283;
    overflow: hidden;
    flex-shrink: 0;
}

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

/* 画像なしの場合のプレースホルダー */
.blog-slider-image.no-image {
    background-color: #d9d9d9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-slider-placeholder {
    width: 100%;
    height: 100%;
    background-color: #d9d9d9;
}

/* コンテンツエリア */
.blog-slider-content {
    height: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: start;
    padding: 38px 0;
}

/* タイトル */
.blog-slider-title {
    font-size: 24px;
    font-weight: bold;
    line-height: 1em;
    color: var(--mainTextColor_1);
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* メタ情報 */
.blog-slider-meta {
    display: flex;
    justify-content: space-between;
    align-items: end;
    margin-bottom: 7px;
}

/* タグ */
.blog-slider-tag {
    padding: 10px 13px;
    font-size: 18px;
    font-weight: 700;
    color: var(--baseColor);
    background-color: var(--mainColor_1);
}

/* 日付 */
.blog-slider-date {
    color: var(--mainTextColor_1);
    font-weight: 400;
    font-size: 18px;
}

/* 説明文 */
.blog-slider-description {
    font-size: 18px;
    font-weight: 400;
    line-height: 2.2em;
    letter-spacing: 0.13em;
    color: var(--mainTextColor_1);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 記事を見るリンク */
.blog-slider-readmore {
    position: absolute;
    bottom: 40px;
    right: 0;
    font-size: 18px;
    font-weight: 400;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--mainTextColor_1);
    padding-right: 36px;
}
@media screen and (max-width: 767px) {
    .blog-slider-readmore {
        bottom: -20px;
    }
}

.blog-slider-readmore::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-45%);
    width: 20px;
    height: 19px;
    background: url(../image/common/arrow-black.svg) no-repeat center center / contain;
}

/* ナビゲーションボタン */
.blog-slider-nav-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    /* モバイルブラウザでのタッチイベントを最適化 */
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    /* タッチイベントの反応を向上させる */
    user-select: none;
    -webkit-user-select: none;
}
.blog-slider-nav-button::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 25px;
    height: 25px;
    z-index: -1;
}
@media screen and (max-width: 767px) {
    .blog-slider-nav-button::before {
        width: 15px;
        height: 15px;
    }
}
.blog-slider-nav-button:hover {
    transform: translateY(-50%) scale(1.1);
}

/* モバイルでのタッチフィードバック */
.blog-slider-nav-button:active {
    transform: translateY(-50%) scale(0.9);
}

.blog-slider-nav-button.prev {
    left: calc(50% - 660px);
}
.blog-slider-nav-button.prev::before {
    border-bottom: solid 4px var(--mainColor_1);
    border-left: solid 4px var(--mainColor_1);
}

.blog-slider-nav-button.next {
    right: calc(50% - 660px);
}
.blog-slider-nav-button.next::before {
    border-top: solid 4px var(--mainColor_1);
    border-right: solid 4px var(--mainColor_1);
}

/* ページネーション */
.blog-slider-pagination {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 17px;
}
@media screen and (max-width: 767px) {
    .blog-slider-pagination {
        bottom: -100px;
    }
}
@media screen and (max-width: 500px) {
    .blog-slider-pagination {
        bottom: -10px;
    }
}
.blog-slider-pagination-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: solid 1.5px var(--mainColor_1);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.blog-slider-pagination-dot.active {
    background-color: #7b3f99;
}

/* レスポンシブ */
@media (max-width: 1400px) {
    .blog-slider-nav-button.prev {
        left: 20px;
    }

    .blog-slider-nav-button.next {
        right: 20px;
    }
}

@media (max-width: 1200px) {
    .blog-slider-slide {
        width: 90vw;
        max-width: 1100px;
    }
}

@media (max-width: 768px) {
    .blog-slider-slide {
        height: auto;
        margin-right: 40px;
    }

    .blog-slider-link {
        flex-direction: column;
    }

    .blog-slider-image {
        width: 100%;
        max-width: 90%;
    }

    .blog-slider-content {
        padding: 30px;
    }

    .blog-slider-title {
        font-size: 22px;
    }

    .blog-slider-nav-button {
        width: 50px;
        height: 50px;
        font-size: 18px;
        /* スマートフォンでのタッチ領域を大きくする */
        padding: 10px;
        background-color: rgba(255, 255, 255, 0.9);
        border-radius: 50%;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        /* タッチイベントの反応を向上させる */
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    .blog-slider-nav-button:active {
        transform: translateY(-50%) scale(0.95);
        background-color: rgba(255, 255, 255, 0.8);
    }
    
    .blog-slider-nav-button.prev {
        left: 10px;
    }
    
    .blog-slider-nav-button.next {
        right: 10px;
    }

    .blog-slider-container {
        height: auto;
        padding: 20px 0;
        /* スワイプジェスチャーを有効化 */
        touch-action: pan-y pinch-zoom;
    }
}