/* Astraデフォルトの余白をリセット */
body.single .site-content {
    padding: 0 !important;
}
body.single .ast-container {
    max-width: 100% !important;
    padding: 0 !important;
}

/* ページ全体 */
.single-post-wrap {
    min-height: 60vh;
    background: #f9fafb;
    padding: 56px 20px 80px;
}

.single-post-inner {
    max-width: 780px;
    margin: 0 auto;
}

/* パンくず */
.single-post-breadcrumb {
    font-size: 13px;
    color: #999;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.single-post-breadcrumb a {
    color: #5c6bc0;
    text-decoration: none;
}
.single-post-breadcrumb a:hover {
    text-decoration: underline;
}
.single-post-breadcrumb .sep {
    color: #ccc;
}

/* カード */
.single-post-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.07);
    overflow: hidden;
}

/* アイキャッチ画像 */
.single-post-thumbnail {
    width: 100%;
    aspect-ratio: 16 / 7;
    object-fit: cover;
    display: block;
}

/* 記事ヘッダー */
.single-post-header {
    padding: 36px 48px 28px;
    border-bottom: 1px solid #f0f0f0;
}

.single-post-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.single-post-category {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: bold;
}
.single-post-category.cat-notice {
    background: #dbeafe;
    color: #1e40af;
}
.single-post-category.cat-column {
    background: #dcfce7;
    color: #166534;
}
.single-post-category.cat-default {
    background: #f3f4f6;
    color: #666;
}

.single-post-date {
    font-size: 13px;
    color: #999;
}

.single-post-title {
    font-size: 24px;
    font-weight: 800;
    color: #1a1a2e;
    line-height: 1.5;
    margin: 0;
}

/* 記事本文 */
.single-post-body {
    padding: 36px 48px 44px;
    font-size: 15px;
    line-height: 1.9;
    color: #444;
}

.single-post-body h2 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 40px 0 16px;
    padding: 10px 16px;
    background: #f0f4ff;
    border-left: 4px solid #5c6bc0;
    border-radius: 0 8px 8px 0;
}

.single-post-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 32px 0 12px;
    padding-left: 12px;
    border-left: 3px solid #5c6bc0;
}

.single-post-body p {
    margin: 0 0 18px;
}
.single-post-body p:last-child {
    margin-bottom: 0;
}

.single-post-body ul,
.single-post-body ol {
    margin: 0 0 18px;
    padding-left: 1.6em;
}

.single-post-body li {
    margin-bottom: 8px;
    line-height: 1.8;
}

.single-post-body a {
    color: #5c6bc0;
    text-decoration: underline;
}
.single-post-body a:hover {
    color: #3949ab;
}

.single-post-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 8px 0;
}

.single-post-body blockquote {
    margin: 24px 0;
    padding: 16px 20px;
    background: #f8f8fc;
    border-left: 4px solid #5c6bc0;
    border-radius: 0 8px 8px 0;
    color: #555;
    font-style: italic;
}

/* 前後ナビ */
.single-post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 28px;
}

.single-post-nav-link {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px 20px;
    background: white;
    border-radius: 12px;
    text-decoration: none;
    box-shadow: 0 1px 4px rgba(0,0,0,0.07);
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.single-post-nav-link:hover {
    border-color: #ec4899;
    background: #FFF5F7;
}

.single-post-nav-link.prev {
    align-items: flex-start;
}

.single-post-nav-link.next {
    align-items: flex-end;
    text-align: right;
}

.single-post-nav-label {
    font-size: 11px;
    color: #ec4899;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 4px;
}

.single-post-nav-title {
    font-size: 13px;
    color: #333;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 一覧に戻るボタン */
.single-post-back {
    text-align: center;
    margin-top: 28px;
}

.single-post-back-link {
    display: inline-block;
    padding: 10px 32px;
    background: white;
    color: #ec4899;
    text-decoration: none;
    border-radius: 24px;
    font-weight: bold;
    font-size: 14px;
    border: 2px solid #ec4899;
    transition: all 0.3s ease;
}

.single-post-back-link:hover {
    background: #ec4899;
    color: white;
}

/* スマホ対応 */
@media (max-width: 768px) {
    .single-post-wrap {
        padding: 36px 16px 64px;
    }
    .single-post-header {
        padding: 24px 20px 20px;
    }
    .single-post-title {
        font-size: 20px;
    }
    .single-post-body {
        padding: 24px 20px 32px;
    }
    .single-post-body h2 {
        font-size: 18px;
    }
    .single-post-nav {
        grid-template-columns: 1fr;
    }
    .single-post-nav-link.next {
        align-items: flex-start;
        text-align: left;
    }
    .single-post-nav-label {
        flex-direction: row-reverse;
    }
}