/*
Theme Name: Geneika
Theme URI: https://money.geneika.com
Description: AI副業・Webマネタイズ情報サイト（Zennスタイル・下マージンのみ統一）
Author: ハル
Author URI: https://money.geneika.com/about/
Version: 1.4.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Tags: blog, money, ai, responsive, custom-colors, translation-ready, minimal
Text Domain: geneika
*/

/* ============================================
   カラーパレット・全体設計
   ============================================ */
:root {
    --color-primary: #1d4ed8;
    --color-primary-light: #eff6ff; 
    --color-accent: #059669;
    --color-text: #111827;
    --color-text-secondary: #6b7280;
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;
}

/* ============================================
   ベース
   ============================================ */
body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", "Hiragino Sans", "Yu Gothic", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.85;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   リンク
   ============================================ */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #1e40af;
}

.single-article__content p a, 
.single-article__content li a {
    background-image: linear-gradient(to right, var(--color-primary) 0%, var(--color-primary) 100%);
    background-size: 0% 1px;
    background-repeat: no-repeat;
    background-position: left bottom;
    transition: background-size 0.3s ease, color 0.2s ease;
    padding-bottom: 2px;
}

.single-article__content p a:hover, 
.single-article__content li a:hover {
    background-size: 100% 1px;
    text-decoration: none;
    color: #1e40af;
}

/* ============================================
   見出し（下マージンのみ統一）
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-text);
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 0.8em 0; /* 上0、下のみ */
}

h1 { 
    font-size: 1.875rem; 
    margin-bottom: 0.8em;
    padding-bottom: 0.5em;
    border-bottom: 2px solid var(--color-border-light);
    position: relative;
}

h1::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--color-primary);
}

h2 { 
    font-size: 1.5rem; 
    margin-bottom: 2.5em; /* 下のみ：十分な間隔 */
    padding-left: 1em;
    border-left: 4px solid var(--color-accent);
    line-height: 1.6;
    display: block;
    text-align: left;
}

h3 { 
    font-size: 1.25rem; 
    margin-bottom: 2em; /* 下のみ */
    padding-left: 0.8em;
    border-left: 3px solid var(--color-primary-light);
    color: #374151;
    font-weight: 600;
    line-height: 1.5;
}

h4 { 
    font-size: 1.1rem; 
    margin-bottom: 1.5em; /* 下のみ */
    color: #374151;
    font-weight: 600;
    line-height: 1.4;
}

/* ============================================
   段落・テキスト
   ============================================ */
p {
    margin: 0 0 1.5em 0; /* 下のみ */
    line-height: 1.85;
}

strong {
    font-weight: 600;
    color: var(--color-text);
}

/* ============================================
   引用（下マージンのみ）
   ============================================ */
blockquote {
    background: #f8fafc;
    border-left: 4px solid var(--color-primary);
    margin: 0 0 2.5em 0; /* 下のみ */
    padding: 1.2em 1.5em;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    color: var(--color-text-secondary);
    position: relative;
    line-height: 1.7;
}

blockquote::before {
    content: '"';
    position: absolute;
    top: -0.1em;
    left: 0.4em;
    font-size: 2.5em;
    color: var(--color-primary);
    opacity: 0.15;
    font-style: normal;
    line-height: 1;
}

blockquote p {
    margin-bottom: 0.5em;
}

blockquote p:last-child {
    margin-bottom: 0;
}

/* ============================================
   リスト（下マージンのみ）
   ============================================ */
ul, ol {
    margin: 0 0 1.5em 0; /* 下のみ */
    padding-left: 0;
}

li {
    margin: 0 0 0.6em 0; /* 下のみ */
    padding-left: 1.5em;
    line-height: 1.8;
    position: relative;
}

/* ============================================
   コード
   ============================================ */
code {
    background: #f1f5f9;
    padding: 0.2em 0.5em;
    border-radius: var(--radius-sm);
    font-family: "Courier New", Consolas, Monaco, monospace;
    font-size: 0.9em;
    color: #1e40af;
}

pre {
    background: #f8fafc;
    padding: 1.5em;
    border-radius: var(--radius);
    overflow-x: auto;
    border: 1px solid var(--color-border-light);
    margin: 0 0 2em 0; /* 下のみ */
    line-height: 1.6;
}

pre code {
    background: transparent;
    padding: 0;
    color: #1e293b;
    font-size: 0.9em;
}

/* ============================================
   画像（下マージンのみ）
   ============================================ */
img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
}

.post-thumbnail img,
.wp-post-image {
    width: 100% !important;
    height: 220px !important;
    object-fit: cover !important;
    border-radius: var(--radius) var(--radius) 0 0 !important;
}

.single .post-thumbnail img {
    height: auto !important;
    max-height: 450px;
    object-fit: cover;
    border-radius: var(--radius);
    margin: 0 0 2em 0 !important; /* 下のみ */
}

.single-article__content img {
    display: block;
    margin: 0 auto 2em auto; /* 下のみ */
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

/* ============================================
   記事一覧カード
   ============================================ */
.article-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid var(--color-border-light);
}

.article-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.article-card__content {
    padding: 1.5em 1.8em 1.8em;
}

.article-card__category {
    margin-bottom: 0.8em;
}

.article-card__category a {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-accent);
    background: #ecfdf5;
    padding: 0.25em 0.75em;
    border-radius: 9999px;
    transition: var(--transition);
}

.article-card__category a:hover {
    background: #d1fae5;
    text-decoration: none;
    background-image: none;
}

.article-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 0.6em 0;
    line-height: 1.5;
}

.article-card__title a {
    color: var(--color-text);
    background-image: none;
    padding-bottom: 0;
}

.article-card__title a:hover {
    color: var(--color-primary);
    text-decoration: none;
    background-size: 0;
}

.article-card__excerpt {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1em;
}

.article-card__meta {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    display: flex;
    gap: 1em;
    flex-wrap: wrap;
    padding-top: 1em;
    border-top: 1px solid var(--color-border-light);
}

.article-card__meta a {
    color: var(--color-text-secondary);
    background-image: none;
    padding-bottom: 0;
}

.article-card__meta a:hover {
    color: var(--color-primary);
    text-decoration: none;
    background-size: 0;
}

/* ============================================
   記事詳細（single.php）下マージンのみ統一
   ============================================ */
.single-article {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    padding: 2.5em 3em;
    border: 1px solid var(--color-border-light);
}

.single-article__header {
    margin-bottom: 2.5em;
    padding-bottom: 1.5em;
    border-bottom: 1px solid var(--color-border-light);
}

.single-article__title {
    font-size: 2rem;
    margin: 0 0 0.5em 0;
    line-height: 1.4;
    color: var(--color-text);
}

.single-article__meta {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    display: flex;
    gap: 1.2em;
    flex-wrap: wrap;
    align-items: center;
}

.single-article__meta a {
    color: var(--color-text-secondary);
    background-image: none;
    padding-bottom: 0;
}

.single-article__meta a:hover {
    color: var(--color-primary);
    text-decoration: none;
    background-size: 0;
}

/* 記事本文内要素（全て下マージンのみ） */
.single-article__content {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--color-text);
}

.single-article__content h2 {
    margin: 0 0 2.5em 0;
    padding-top: 0;
    border-top: none;
    border-left: 4px solid var(--color-accent);
}

.single-article__content h3 {
    margin: 0 0 2em 0;
}

.single-article__content h4 {
    margin: 0 0 1.5em 0;
}

.single-article__content p {
    margin: 0 0 1.5em 0;
    line-height: 1.85;
}

.single-article__content blockquote {
    margin: 0 0 2.5em 0;
}

.single-article__content ul,
.single-article__content ol {
    margin: 0 0 1.5em 0;
    list-style: none;
    padding-left: 0.5em;
}

.single-article__content li {
    margin: 0 0 0.6em 0;
    padding-left: 1.5em;
    line-height: 1.8;
    position: relative;
}

.single-article__content ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.2em;
    line-height: 1.2;
}

.single-article__content ol {
    counter-reset: item;
}

.single-article__content ol li {
    counter-increment: item;
}

.single-article__content ol li::before {
    content: counter(item) '.';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9em;
}

.single-article__content pre {
    margin: 0 0 2em 0;
}

.single-article__content img {
    margin: 0 auto 2em auto;
}

/* タグ */
.single-article__tags {
    margin-top: 2.5em;
    padding-top: 1.5em;
    border-top: 1px solid var(--color-border-light);
}

.single-article__tags a {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    padding: 0.3em 0.8em;
    border-radius: 9999px;
    margin-right: 0.5em;
    margin-bottom: 0.5em;
    transition: var(--transition);
    background-image: none;
    padding-bottom: 0.3em;
}

.single-article__tags a:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
    text-decoration: none;
    background-size: 0;
}

/* ============================================
   著者情報ボックス
   ============================================ */
.author-box {
    margin-top: 3em;
    padding: 2em;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.author-box__inner {
    display: flex;
    gap: 1.5em;
    align-items: flex-start;
}

.author-box__avatar img {
    border-radius: 50%;
    width: 64px;
    height: 64px;
    object-fit: cover;
}

.author-box__info {
    flex: 1;
}

.author-box__name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 0.5em 0;
}

.author-box__bio {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ============================================
   固定ページ
   ============================================ */
.page-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    padding: 2.5em 3em;
    border: 1px solid var(--color-border-light);
}

/* ============================================
   パンくず・ナビゲーション
   ============================================ */
.breadcrumbs {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.5em;
}

.breadcrumbs a {
    color: var(--color-text-secondary);
    background-image: none;
    padding-bottom: 0;
}

.breadcrumbs a:hover {
    color: var(--color-primary);
    background-size: 0;
}

/* ============================================
   ページネーション
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5em;
    margin-top: 2.5em;
    flex-wrap: wrap;
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.8em;
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 0.9rem;
    transition: var(--transition);
}

.pagination .page-numbers.current {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
}

.pagination a.page-numbers:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
    background-image: none;
}

/* ============================================
   サイドバー
   ============================================ */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5em;
}

.widget {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1.5em;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--color-border-light);
}

.widget-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 1em 0;
    padding-bottom: 0.5em;
    border-bottom: 2px solid var(--color-border-light);
}

.widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.widget li {
    padding: 0.5em 0;
    border-bottom: 1px solid var(--color-border-light);
    margin-bottom: 0;
}

.widget li:last-child {
    border-bottom: none;
}

.widget a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    background-image: none;
    padding-bottom: 0;
}

.widget a:hover {
    color: var(--color-primary);
    background-size: 0;
}

/* ============================================
   フッター（左空白徹底除去）
/* ============================================
   フッター（左空白徹底除去・センタリング強化）
   ============================================ */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border-light);
    padding: 2em 0;
    margin-top: 3em;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    text-align: center; /* 全体をセンタリング */
}

/* グリッド内要素も中央揃え */
.site-footer .grid {
    justify-items: center;
    text-align: center;
}

/* フッター内全要素の左余白リセット */
.site-footer * {
    padding-left: 0 !important;
    margin-left: 0 !important;
    text-align: center; /* 全要素を中央揃え */
}

/* メニュー・リスト特化リセット */
.site-footer ul,
.site-footer ol,
.site-footer .menu,
.site-footer .menu-item,
.site-footer .cat-item,
.site-footer .page-item {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 0 0.5em 0 !important;
    text-align: center; /* リスト内もセンター */
}

.site-footer li {
    padding: 0 !important;
    margin: 0 0 0.5em 0 !important;
}

/* リンクのスタイル */
.site-footer a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.site-footer a:hover {
    color: var(--color-primary);
}

/* ============================================
   レスポンシブ対応
   ============================================ */
@media (max-width: 768px) {
    .single-article,
    .page-content {
        padding: 1.5em;
    }
    
    .single-article__title {
        font-size: 1.5rem;
    }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.3rem; }
    h3 { font-size: 1.15rem; }
    
    .author-box__inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}