/*
Theme Name: Yuzufuka Theme
Theme URI: https://yuzufuka.com
Author: Yuzufuka Project
Description: ゆずふかちゃんねるのWeb版テーマ。やさしい世界観のニュースメディア風テーマ。
Version: 0.2.0
License: GNU General Public License v2 or later
Text Domain: yuzufuka
*/

/* ===========================
   カラー変数
=========================== */
:root {
    --color-accent:      #5bb8b0;
    --color-accent-light: #e6f7f6;
    --color-accent-hover: #3fa09a;
    --color-border:      #d9eeec;
    --color-bg:          #f8fdfb;
    --color-text:        #2e2e2e;
    --color-muted:       #888;
}

/* ===========================
   リセット・基本設定
=========================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    background: var(--color-bg);
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===========================
   レイアウト
=========================== */
.site-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-main {
    padding: 0 0 60px;
}

/* ===========================
   ヘッダー
=========================== */
.site-header {
    background: #fff;
    border-bottom: 2px solid var(--color-border);
    padding: 16px 0;
}

.site-header .site-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.site-title a {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--color-accent);
    letter-spacing: 0.05em;
}

.site-nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.site-nav a {
    font-size: 0.9rem;
    color: #555;
}

.site-nav a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

/* ===========================
   Hero（サイト説明）
=========================== */
.site-hero {
    background: var(--color-accent-light);
    border-bottom: 1px solid var(--color-border);
    padding: 28px 0;
    margin-bottom: 40px;
}

.site-hero-text {
    font-size: 0.95rem;
    color: #3a6e6b;
    line-height: 1.8;
    max-width: 680px;
}

/* ===========================
   カテゴリ導線
=========================== */
.category-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.category-nav-item {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 20px;
    border: 1.5px solid var(--color-accent);
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: bold;
    transition: background 0.15s, color 0.15s;
}

.category-nav-item:hover {
    background: var(--color-accent);
    color: #fff;
    text-decoration: none;
}

/* ===========================
   セクションタイトル
=========================== */
.section-title {
    font-size: 1.05rem;
    font-weight: bold;
    color: var(--color-accent);
    border-left: 4px solid var(--color-accent);
    padding-left: 12px;
    margin-bottom: 24px;
}

/* ===========================
   記事グリッド
=========================== */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

/* ===========================
   記事カード
=========================== */
.post-card {
    background: #fff;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.2s;
}

.post-card:hover {
    box-shadow: 0 4px 20px rgba(91, 184, 176, 0.14);
    transform: translateY(-2px);
}

.post-card-body {
    padding: 20px 20px 18px;
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.post-card-category {
    font-size: 0.72rem;
    color: #fff;
    background: var(--color-accent);
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    white-space: nowrap;
}

.post-card-date {
    font-size: 0.78rem;
    color: var(--color-muted);
}

.post-card-title {
    font-size: 0.97rem;
    font-weight: bold;
    line-height: 1.55;
}

.post-card-title a {
    color: var(--color-text);
}

.post-card-title a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

/* ===========================
   記事なし表示
=========================== */
.no-posts {
    padding: 48px 0;
    text-align: center;
    color: var(--color-muted);
    font-size: 0.95rem;
    border: 1px dashed var(--color-border);
    border-radius: 8px;
    background: #fff;
}

/* ===========================
   記事詳細
=========================== */
.entry-header {
    margin-bottom: 32px;
}

.entry-title {
    font-size: 1.6rem;
    line-height: 1.5;
    margin: 12px 0;
}

.entry-meta {
    font-size: 0.85rem;
    color: var(--color-muted);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.entry-content {
    line-height: 2;
}

.entry-content h2 {
    font-size: 1.2rem;
    margin: 32px 0 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--color-border);
}

.entry-content p {
    margin-bottom: 1.5em;
}

/* ゆずふかコメント枠 */
.yuzufuka-comment {
    background: var(--color-accent-light);
    border-left: 4px solid var(--color-accent);
    border-radius: 0 8px 8px 0;
    padding: 16px 20px;
    margin: 32px 0;
    font-size: 0.95rem;
}

.yuzufuka-comment-label {
    font-size: 0.8rem;
    color: var(--color-accent);
    font-weight: bold;
    margin-bottom: 6px;
}

/* ===========================
   フッター
=========================== */
.site-footer {
    background: #fff;
    border-top: 1px solid var(--color-border);
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-muted);
}