/* =====================================================================
   MT5メディア「MT5のいろは」 一覧画面用スタイル
   コントローラ: catalog/controller/blog/blog.php
   主要構造: hero → カテゴリチップ → 記事グリッド → ページネーション
   カラー: 本体 Element UI(#409eff) と差別化するため緑系(#00a661)を採用
   ===================================================================== */

.mt5-blog-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    color: #1a2332;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", sans-serif;
}

/* ---------- ヒーロー ---------- */
.mt5-blog-hero {
    margin: 24px 0 40px;
    padding: 48px 32px;
    background: linear-gradient(135deg, #0a3d2c 0%, #00a661 100%);
    border-radius: 12px;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.mt5-blog-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.10) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}
.mt5-blog-hero h1 {
    /* 共通CSSの h1{color:#555} を打ち消すため !important で白を指定 */
    color: #fff !important;
    font-size: 34px;
    font-weight: 700;
    margin: 0 0 14px;
    letter-spacing: 0.04em;
    position: relative;
}
.mt5-blog-hero p {
    color: #fff;
    font-size: 16px;
    line-height: 1.8;
    margin: 0;
    opacity: 0.95;
    position: relative;
}
@media (max-width: 768px) {
    .mt5-blog-hero { padding: 32px 20px; }
    .mt5-blog-hero h1 { font-size: 24px; }
    .mt5-blog-hero p { font-size: 13px; }
}

/* ---------- カテゴリチップ ---------- */
.mt5-blog-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 24px 0 32px;
}
.mt5-blog-category-chip {
    display: inline-block;
    padding: 8px 16px;
    background: #f0f8f4;
    color: #00a661;
    border: 1px solid #d8ebe0;
    border-radius: 20px;
    font-size: 13px;
    text-decoration: none;
    transition: all 0.2s;
}
.mt5-blog-category-chip:hover,
.mt5-blog-category-chip.is-active {
    background: #00a661;
    color: #fff;
    border-color: #00a661;
}

/* ---------- 記事カードグリッド ---------- */
.mt5-blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 32px 0;
}
@media (max-width: 992px) {
    .mt5-blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .mt5-blog-grid { grid-template-columns: 1fr; gap: 16px; }
}

.mt5-blog-card {
    background: #fff;
    border: 1px solid #e8edf2;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.25s;
    display: flex;
    flex-direction: column;
}
.mt5-blog-card:hover {
    border-color: #00a661;
    box-shadow: 0 4px 16px rgba(0, 166, 97, 0.12);
    transform: translateY(-2px);
}
.mt5-blog-card-thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #f0f3f7;
}
.mt5-blog-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s;
}
.mt5-blog-card:hover .mt5-blog-card-thumb img { transform: scale(1.05); }
.mt5-blog-card-body {
    padding: 16px 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.mt5-blog-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: #7a8499;
    margin-bottom: 8px;
}
.mt5-blog-card-meta .mt5-blog-card-cat {
    color: #00a661;
    font-weight: 600;
}
.mt5-blog-card-title {
    font-size: 17px;
    line-height: 1.5;
    font-weight: 700;
    color: #1a2332;
    margin: 0 0 8px;
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.mt5-blog-card-title:hover { color: #00a661; }
.mt5-blog-card-excerpt {
    font-size: 13px;
    line-height: 1.7;
    color: #5a6680;
    margin: 0 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.mt5-blog-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
}
.mt5-blog-card-tag {
    font-size: 11px;
    padding: 2px 8px;
    background: #f5f7fa;
    color: #7a8499;
    border-radius: 3px;
    text-decoration: none;
}
.mt5-blog-card-tag:hover { background: #e8edf2; color: #00a661; }

/* ---------- ページネーション ---------- */
.mt5-blog-pagination {
    margin: 40px 0;
    text-align: center;
}

/* ---------- 空状態 ---------- */
.mt5-blog-empty {
    padding: 64px 24px;
    text-align: center;
    color: #7a8499;
    background: #f9fbfc;
    border-radius: 8px;
    margin: 32px 0;
}