/*
 * single-from70-log.css
 * FROM70 活動ログ シングルページ専用スタイル
 * 対象テンプレート: single-from70-log.php
 * 依存: style.css（CSS変数・共通クラスを継承）
 * 色テーマ: category-from70-log.css と統一（緑系）
 */

/* ==========================================================================
   ページヘッダー
   ========================================================================== */

.from70-single-header {
    background: linear-gradient(135deg, #1b4332 0%, #2f855a 60%, #276749 100%);
    padding: 48px 0 44px;
    position: relative;
    overflow: hidden;
}

/* 背景グリッド装飾 */
.from70-single-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.from70-single-header .container {
    position: relative;
    z-index: 1;
}

/* パンくず */
.from70-single-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.from70-single-breadcrumb a {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    transition: color 0.2s;
}

.from70-single-breadcrumb a:hover {
    color: #68d391;
    opacity: 1;
}

.breadcrumb-sep {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.78rem;
}

.breadcrumb-current {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.5);
    /* 長いタイトルは省略 */
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 活動バッジ・タグ行 */
.from70-single-meta-top {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.from70-single-badge {
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #68d391;
    border: 1px solid rgba(104, 211, 145, 0.4);
    padding: 4px 14px;
    border-radius: 30px;
}

.from70-single-tag {
    display: inline-block;
    padding: 3px 12px;
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.85);
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    font-family: var(--font-sans);
    text-decoration: none;
    transition: background 0.2s;
}

.from70-single-tag:hover {
    background: rgba(255, 255, 255, 0.25);
    opacity: 1;
}

/* タイトル */
.from70-single-title {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.4;
    letter-spacing: 0.01em;
    margin-bottom: 20px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* 日付・著者 */
.from70-single-meta-bottom {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.from70-single-date,
.from70-single-author,
.from70-single-location,
.from70-single-members {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.72);
    letter-spacing: 0.04em;
}

/* ==========================================================================
   メインレイアウト（2カラム）
   ========================================================================== */

.from70-single-body {
    padding: 48px 0 80px;
    background: var(--osumi-bg);
}

.from70-single-layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.from70-single-main {
    flex: 1;
    min-width: 0;
}

.from70-single-sidebar {
    width: 280px;
    flex-shrink: 0;
    position: sticky;
    top: 80px;
}

/* ==========================================================================
   アイキャッチ
   ========================================================================== */

.from70-single-thumb {
    width: 100%;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 36px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.from70-single-thumb img {
    width: 100%;
    height: auto;
    display: block;
}

.from70-single-thumb-caption {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    color: var(--osumi-text);
    opacity: 0.65;
    padding: 8px 12px;
    background: #f0fdf4;
    border-top: 1px solid #d1fae5;
    margin: 0;
    text-align: center;
}

/* ==========================================================================
   本文エリア（entry-content を継承）
   ========================================================================== */

.from70-single-content {
    margin-bottom: 36px;
}

/* 見出しに緑のアクセント */
.from70-single-content h2 {
    border-left-color: #2f855a;
}

/* リンクカラーを緑系に */
.from70-single-content a {
    color: #276749;
    border-bottom-color: rgba(39, 103, 73, 0.3);
}

.from70-single-content a:hover {
    border-bottom-color: #276749;
    color: #276749;
}

/* ==========================================================================
   タグ一覧（本文下）
   ========================================================================== */

.from70-single-tags-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 20px 0;
    border-top: 1px solid #d1fae5;
    border-bottom: 1px solid #d1fae5;
    margin-bottom: 36px;
}

.from70-single-tags-label {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: #4a7c59;
    font-weight: 600;
}

.from70-single-tag-link {
    display: inline-block;
    padding: 4px 12px;
    background: #f0fdf4;
    color: #276749;
    border: 1px solid #a7f3d0;
    border-radius: 20px;
    font-size: 0.78rem;
    font-family: var(--font-sans);
    text-decoration: none;
    transition: all 0.2s;
}

.from70-single-tag-link:hover {
    background: #2f855a;
    color: #ffffff;
    border-color: #2f855a;
    opacity: 1;
}

/* ==========================================================================
   関連コンテンツ
   ========================================================================== */

.from70-single-related {
    margin-bottom: 40px;
    padding: 28px;
    background: #f0fdf4;
    border-radius: 10px;
    border: 1px solid #c6f6d5;
}

.from70-single-related-title {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #276749;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid #a7f3d0;
}

.from70-single-related-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ==========================================================================
   オーサーボックス
   ========================================================================== */

.from70-author-box {
    background: #f0fdf4;
    border: 1px solid #c6f6d5;
    border-top: 4px solid #2f855a;
    border-radius: 8px;
    padding: 28px;
    margin-bottom: 36px;
}

.from70-author-inner {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.from70-author-avatar img {
    border-radius: 50%;
    border: 3px solid #a7f3d0;
    box-shadow: 0 2px 8px rgba(47, 133, 90, 0.15);
    display: block;
}

.from70-author-info {
    flex: 1;
    min-width: 0;
}

.from70-author-label {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #2f855a;
    margin-bottom: 6px;
}

.from70-author-name {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--osumi-navy);
    margin: 0 0 8px;
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}

.from70-author-org {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 400;
    color: #4a7c59;
    background: #d1fae5;
    padding: 2px 8px;
    border-radius: 4px;
}

.from70-author-desc {
    font-size: 0.9rem;
    line-height: 1.75;
    color: var(--osumi-text);
    margin: 0;
}

/* ==========================================================================
   前後記事ナビゲーション
   ========================================================================== */

.from70-post-nav {
    border-top: 2px solid #d1fae5;
    padding-top: 32px;
    margin-top: 8px;
}

.from70-post-nav-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 16px;
    align-items: center;
}

.from70-post-nav-prev {
    text-align: left;
}

.from70-post-nav-next {
    text-align: right;
}

.from70-post-nav-archive {
    text-align: center;
}

.from70-post-nav-link {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-decoration: none;
    color: inherit;
    padding: 14px 16px;
    background: #ffffff;
    border: 1px solid #d1fae5;
    border-radius: 8px;
    transition: all 0.25s ease;
}

.from70-post-nav-link:hover {
    background: #f0fdf4;
    border-color: #2f855a;
    box-shadow: 0 2px 10px rgba(47, 133, 90, 0.1);
    opacity: 1;
}

.from70-post-nav-dir {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #2f855a;
}

.from70-post-nav-title {
    font-size: 0.92rem;
    color: var(--osumi-navy);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.from70-post-nav-archive-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: #2f855a;
    color: #ffffff;
    border-radius: 50%;
    font-size: 0.82rem;
    font-family: var(--font-sans);
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    line-height: 1.2;
    transition: background 0.2s;
}

.from70-post-nav-archive-link:hover {
    background: #276749;
    opacity: 1;
}

/* ==========================================================================
   サイドバー（category-from70-log.css と共通クラスを使用）
   ここでは single 専用の上書きのみ記述
   ========================================================================== */

/* サイドバーを sticky にする（PC時） */
.from70-single-sidebar {
    position: sticky;
    top: 80px;
}

/* ==========================================================================
   レスポンシブ
   ========================================================================== */

@media (max-width: 1024px) {
    .from70-single-layout {
        flex-direction: column;
    }
    .from70-single-sidebar {
        width: 100%;
        position: static;
    }
}

@media (max-width: 768px) {
    .from70-single-header {
        padding: 36px 0 32px;
    }
    .from70-single-title {
        font-size: 1.5rem;
    }
    .from70-single-meta-bottom {
        flex-direction: column;
        gap: 6px;
        align-items: flex-start;
    }
    .from70-author-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .from70-author-name {
        justify-content: center;
    }
    .from70-post-nav-inner {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }
    .from70-post-nav-prev  { order: 2; }
    .from70-post-nav-archive { order: 1; }
    .from70-post-nav-next  { order: 3; text-align: left; }
    .from70-post-nav-archive-link {
        width: auto;
        height: auto;
        border-radius: 30px;
        padding: 8px 20px;
        font-size: 0.82rem;
    }
    .breadcrumb-current {
        max-width: 140px;
    }
}

@media (max-width: 480px) {
    .from70-single-related {
        padding: 20px 16px;
    }
    .from70-related-card {
        padding: 12px 14px;
    }
}