/* --------------------------------------------------------
 * News Archive - Minimal Sharp Theme (Reverted Title & Image Border)
 * -------------------------------------------------------- */

body {
    margin: 0;
    padding: 0;
    background-color: #fff;
    color: #000;
    -webkit-font-smoothing: antialiased;
}

.l-container-header{
    max-width: 1200px;
    margin: 6.6rem auto 40px auto;
    padding: 0 15px;
}
.news-container {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 40px;
}

/* ページタイトル - 位置とサイズを調整して戻しました */
.page-header {
    margin-bottom: 40px;
    position: relative;
}

.page-header h1 {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    margin: 0;
    text-transform: uppercase;
    line-height: 1.1;
}

.header-separator {
    border: none;
    height: 2px;
    background-color: #000;
    width: 60px;
    margin-top: 15px;
}

/* ニュースグリッド */
.news-list-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    column-gap: 40px;
    row-gap: 60px;
    margin-top: 40px;
}

.news-item {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* 画像エリア - 最初のパターンのように黒い囲いを追加 */
.news-thumbnail-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    margin-bottom: 20px;
    background-color: #f8f8f8;
    border: 1px solid #000; /* 黒い囲い */
	border-radius:8px;
    box-sizing: border-box;
}

.news-item img.news-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.news-item:hover img.news-thumbnail {
    transform: scale(1.05);
}

.news-item:hover {
    opacity: 0.7;
}

/* テキストコンテンツ */
.news-text-content {
    display: flex;
    flex-direction: column;
}

.news-date-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.news-date {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.new-indicator {
    font-size: 0.65rem;
    color: #fff;
    background-color: #000;
    padding: 2px 6px;
    font-weight: 800;
    text-transform: uppercase;
}

.news-title {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 10px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-summary {
    font-size: 0.85rem;
    color: #666;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 年度ナビゲーション - Sharp & Minimal */
.year-nav-footer {
    display: flex;
    justify-content: center;
    margin-top: 100px;
    padding-bottom: 80px;
}

.year-list-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0;
}

.year-list-nav li {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #000;
    margin-left: -1px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 800;
    transition: all 0.2s ease;
    color: #000;
    position: relative;
    background-color: #fff;
}

.year-list-nav li:first-child {
    margin-left: 0;
}

.year-list-nav li:hover {
    background-color: #f8f8f8;
    z-index: 1;
}

.year-list-nav li.active {
    background-color: #000;
    color: #fff;
    z-index: 2;
}

.year-list-nav li.nav-arrow {
    width: auto;
    padding: 0 18px;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    border: 1px solid #000;
    text-transform: uppercase;
}

.year-list-nav li.nav-arrow:hover {
    background-color: #000;
    color: #fff;
}

/* レスポンシブ */
@media (max-width: 1024px) {
    .news-list-panel {
        grid-template-columns: repeat(2, 1fr);
        column-gap: 30px;
    }
}

@media (max-width: 640px) {
    .news-container {
        padding: 0 20px;
        margin: 40px auto;
    }
    .page-header h1 {
        font-size: 2.5rem;
    }
    .news-list-panel {
        grid-template-columns: 1fr;
        row-gap: 40px;
    }
    .year-list-nav li {
        width: 44px;
        height: 44px;
    }
}