/* ==========================================================================
   INFORMATION ページ固有のスタイル
   ========================================================================== */

/* ページ全体のコンテキスト設定 */
.page-information {
    background-color: var(--color-white);
}

/* ==========================================================================
   インフォメーションセクション
   ========================================================================== */
.information-section {
    padding: 140px 0 80px;
    background-color: var(--color-white);
}

.section-header {
    max-width: 1200px;
    margin: 0 auto 60px;
    padding: 0 20px;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 16px;
    color: #666;
    margin-bottom: 10px;
    padding-left: 120px;
}

.section-title {
    font-family: var(--font-headline);
    font-size: 60px;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: #000;
    margin: 0;
    line-height: 1.2;
    padding-left: 120px;
}

.information-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* グリッドレイアウト */
.info-grid {
    display: flex;
    margin-bottom: 60px;
    border-top: 1px solid #eee;
    padding-top: 40px;
}

.info-left-column {
    flex: 0 0 33.333%;
    padding-right: 20px;
}

.info-right-column {
    flex: 0 0 66.666%;
    padding-left: 20px;
}

/* 左カラム - 最新記事 */
.left-info-item {
    display: flex;
    flex-direction: column;
}

.left-info-image {
    width: 100%;
    margin-bottom: 20px;
    overflow: hidden;
}

.left-info-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.left-info-image:hover img {
    transform: scale(1.05);
}

.left-info-content .info-title {
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--color-black);
    line-height: 1.6;
    transition: color 0.3s ease;
}

.left-info-item:hover .info-title {
    color: #666;
}

.left-info-content .info-subtitle {
    font-family: var(--font-headline);
    font-size: 14px;
    font-style: italic;
    color: var(--color-gray);
    margin-bottom: 15px;
    line-height: 1.6;
}

.left-info-content .info-date {
    font-family: var(--font-headline);
    font-size: 14px;
    color: var(--color-black);
    margin-right: 15px;
    display: inline-block;
}

.left-info-content .info-category {
    font-family: var(--font-headline);
    font-size: 14px;
    color: var(--color-gray);
    font-weight: 400;
    display: inline-block;
}

/* 右カラム - 過去記事 */
.right-info-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
    transition: transform 0.3s ease;
}

.right-info-item:last-child {
    margin-bottom: 0;
    border-bottom: none;
}

.right-info-item:hover {
    transform: translateX(5px);
}

.right-info-content {
    flex: 0 0 65%;
}

.right-info-content .info-title {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--color-black);
    line-height: 1.6;
    transition: color 0.3s ease;
}

.right-info-item:hover .info-title {
    color: #666;
}

.right-info-content .info-subtitle {
    font-family: var(--font-headline);
    font-size: 13px;
    font-style: italic;
    color: var(--color-gray);
    margin-bottom: 15px;
    line-height: 1.6;
}

.right-info-content .info-date {
    font-family: var(--font-headline);
    font-size: 14px;
    color: var(--color-black);
    margin-right: 15px;
    display: inline-block;
}

.right-info-content .info-category {
    font-family: var(--font-headline);
    font-size: 14px;
    color: var(--color-gray);
    font-weight: 400;
    display: inline-block;
}

.right-info-image {
    flex: 0 0 30%;
    overflow: hidden;
}

.right-info-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.right-info-item:hover .right-info-image img {
    transform: scale(1.05);
}

/* ページネーション */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 60px;
}

.page-item {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    margin: 0 5px;
    font-family: var(--font-headline);
    font-size: 16px;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
}

.page-item:hover {
    color: #000;
}

.page-item.current {
    color: #000;
    position: relative;
}

.page-item.current::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 1px;
    background-color: #000;
}

/* アニメーション */
.info-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.info-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   レスポンシブスタイル - 共通ブレイクポイントを使用
   ========================================================================== */

/* 大型デスクトップ向け (1200px以上) */
@media screen and (min-width: 1200px) {
    .information-section {
        padding: 160px 0 100px;
    }
}

/* 中型デスクトップ・タブレット向け (1200px以下) */
@media screen and (max-width: 1200px) {
    .section-subtitle {
        padding-left: 60px;
    }
    
    .section-title {
        padding-left: 60px;
        font-size: 50px;
    }
}

/* タブレット・小型デスクトップ向け (991px以下) */
@media screen and (max-width: 991px) {
    .information-section {
        padding: 120px 0 60px;
    }
    
    .section-subtitle {
        padding-left: 40px;
    }
    
    .section-title {
        padding-left: 40px;
        font-size: 40px;
    }
    
    .info-grid {
        flex-direction: column;
    }
    
    .info-left-column {
        flex: 0 0 100%;
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .info-right-column {
        flex: 0 0 100%;
        padding-left: 0;
    }
    
    .left-info-content .info-title {
        font-size: 16px;
    }
}

/* タブレット・モバイル向け (767px以下) */
@media screen and (max-width: 767px) {
    .information-section {
        padding: 100px 0 50px;
    }
    
    .section-subtitle {
        padding-left: 20px;
        font-size: 14px;
    }
    
    .section-title {
        padding-left: 20px;
        font-size: 36px;
    }
    
    .right-info-item {
        flex-direction: column-reverse;
        padding-bottom: 20px;
        margin-bottom: 20px;
    }
    
    .right-info-content {
        flex: 0 0 100%;
        margin-top: 15px;
    }
    
    .right-info-image {
        flex: 0 0 100%;
    }
    
    .right-info-content .info-title {
        font-size: 15px;
    }
    
    .page-item {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
}

/* スマートフォン向け (576px以下) */
@media screen and (max-width: 576px) {
    .information-section {
        padding: 80px 0 40px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .left-info-content .info-title {
        font-size: 15px;
    }
    
    .left-info-content .info-subtitle {
        font-size: 12px;
    }
    
    .right-info-content .info-title {
        font-size: 14px;
    }
    
    .right-info-content .info-subtitle {
        font-size: 12px;
    }
    
    .left-info-content .info-date,
    .left-info-content .info-category,
    .right-info-content .info-date,
    .right-info-content .info-category {
        font-size: 12px;
    }
    
    .page-item {
        width: 30px;
        height: 30px;
        font-size: 13px;
        margin: 0 3px;
    }
}

/* 極小デバイス向け (375px以下) */
@media screen and (max-width: 375px) {
    .section-title {
        font-size: 28px;
    }
    
    .pagination {
        margin-top: 40px;
    }
}