/*
Theme Name: 事故車.com
Theme URI: https://jikosha.com
Author: jikosha.com
Description: 事故車売却の情報発信・比較サイト専用WordPressテーマ。オウンドメディアと比較サイトを融合したデザイン。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: jikosha
Tags: blog, news, custom-menu, featured-images, threaded-comments, responsive-layout
*/

/* ==========================================
   CSS カスタムプロパティ
========================================== */
:root {
  --color-primary:       #1a3a5c;
  --color-primary-dark:  #122c47;
  --color-primary-light: #2a5080;
  --color-accent:        #e85d00;
  --color-accent-hover:  #c44e00;
  --color-accent-light:  #fff3eb;
  --color-success:       #2e7d32;
  --color-bg:            #f5f7fa;
  --color-bg-dark:       #eef1f5;
  --color-text:          #222222;
  --color-text-mid:      #555555;
  --color-text-light:    #888888;
  --color-border:        #dde2e8;
  --color-white:         #ffffff;
  --color-rank1:         #d4a017;
  --color-rank2:         #9e9e9e;
  --color-rank3:         #c07942;

  --font-sans: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Noto Sans JP', 'Yu Gothic', 'Meiryo', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.8;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  20px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 24px rgba(0,0,0,.12);

  --container-width: 1140px;
  --container-narrow: 800px;

  --transition: .2s ease;
}

/* ==========================================
   リセット & ベース
========================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: var(--font-size-base); scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--line-height-base);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; height: auto; display: block; }
ul, ol { padding-left: 1.5em; }
table { border-collapse: collapse; width: 100%; }

/* ==========================================
   レイアウト共通
========================================== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.container--narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 20px;
}

.site-main { padding: 40px 0 60px; }

.content-area { width: 100%; }

.row {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.col-main { flex: 1; min-width: 0; }
.col-sidebar { width: 300px; flex-shrink: 0; }

@media (max-width: 900px) {
  .row { flex-direction: column; }
  .col-sidebar { width: 100%; }
}

/* ==========================================
   ヘッダー
========================================== */
.site-header {
  background: var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}

.site-branding { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.site-branding a { display: flex; align-items: center; gap: 12px; }

.site-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -.02em;
  line-height: 1;
}

.site-title span.accent { color: #f9a825; }

.site-tagline {
  font-size: .65rem;
  color: rgba(255,255,255,.7);
  font-weight: 400;
  margin-top: 3px;
}

/* ナビゲーション */
.primary-nav { display: flex; align-items: center; gap: 4px; }

.primary-nav ul { list-style: none; padding: 0; display: flex; gap: 2px; }

.primary-nav ul li a {
  display: block;
  padding: 8px 14px;
  color: rgba(255,255,255,.85);
  font-size: .875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}

.primary-nav ul li a:hover,
.primary-nav ul li.current-menu-item a {
  background: rgba(255,255,255,.15);
  color: var(--color-white);
}

/* ハンバーガー */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-primary-dark);
    padding: 16px 20px 24px;
    box-shadow: var(--shadow-lg);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; gap: 0; }
  .primary-nav ul li a { padding: 12px 16px; font-size: 1rem; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
}

/* ==========================================
   パンくずリスト
========================================== */
.breadcrumb {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
}

.breadcrumb__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  font-size: .8rem;
  color: var(--color-text-light);
}

.breadcrumb__item { display: flex; align-items: center; }

.breadcrumb__item + .breadcrumb__item::before {
  content: "›";
  margin: 0 8px;
  color: var(--color-border);
}

.breadcrumb__item a { color: var(--color-text-mid); }
.breadcrumb__item a:hover { color: var(--color-accent); }
.breadcrumb__item.is-current { color: var(--color-text); }

/* ==========================================
   ヒーローセクション（トップページ）
========================================== */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 60%, #1e5c8a 100%);
  padding: 64px 0 72px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: rgba(255,255,255,.04);
  border-radius: 50%;
}

.hero__inner {
  display: flex;
  align-items: center;
  gap: 48px;
  position: relative;
}

.hero__content { flex: 1; }

.hero__badge {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-xl);
  margin-bottom: 16px;
  letter-spacing: .05em;
}

.hero__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.35;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}

.hero__title .highlight {
  color: #f9a825;
  border-bottom: 3px solid #f9a825;
}

.hero__desc {
  font-size: 1rem;
  color: rgba(255,255,255,.85);
  margin-bottom: 32px;
  line-height: 1.7;
  max-width: 480px;
}

.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__search { flex: 0 0 360px; max-width: 360px; }

@media (max-width: 900px) {
  .hero__inner { flex-direction: column; gap: 32px; }
  .hero__search { flex: none; max-width: 100%; width: 100%; }
}

/* サーチボックス */
.search-box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
}

.search-box__title {
  font-size: .9rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  text-align: center;
}

.search-box__form { display: flex; gap: 8px; }

.search-box__input {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: .9rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
  outline: none;
}

.search-box__input:focus { border-color: var(--color-primary); }

.search-box__btn {
  padding: 12px 20px;
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-size: .9rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-sans);
  white-space: nowrap;
  transition: background var(--transition);
}

.search-box__btn:hover { background: var(--color-accent-hover); }

/* ==========================================
   ボタン
========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-sans);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  line-height: 1;
  text-align: center;
}

.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn--primary:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); color: var(--color-white); }

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,.6);
}

.btn--outline:hover { background: rgba(255,255,255,.15); color: var(--color-white); }

.btn--sm { padding: 10px 20px; font-size: .875rem; }
.btn--lg { padding: 18px 40px; font-size: 1.125rem; }

.btn--block { display: flex; width: 100%; }

/* ==========================================
   セクション共通
========================================== */
.section { padding: 56px 0; }
.section--bg { background: var(--color-white); }
.section--gray { background: var(--color-bg); }
.section--dark { background: var(--color-primary); }

.section__header { margin-bottom: 36px; }
.section__header--center { text-align: center; }

.section-title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -.02em;
  line-height: 1.3;
  position: relative;
  padding-bottom: 16px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-title--center::after { left: 50%; transform: translateX(-50%); }

.section-title--dark { color: var(--color-white); }
.section-title--dark::after { background: #f9a825; }

.section-desc {
  margin-top: 12px;
  color: var(--color-text-mid);
  font-size: .95rem;
}

/* ==========================================
   記事カード
========================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card-grid--2 { grid-template-columns: repeat(2, 1fr); }
.card-grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .card-grid, .card-grid--2, .card-grid--4 { grid-template-columns: 1fr; }
}

.article-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.article-card__thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg-dark);
  position: relative;
}

.article-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.article-card:hover .article-card__thumb img { transform: scale(1.04); }

.article-card__no-thumb {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, #dce2eb 100%);
  color: var(--color-primary);
  font-size: 2rem;
  font-weight: 900;
}

.article-card__body { padding: 20px; flex: 1; display: flex; flex-direction: column; }

.article-card__cat {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  color: var(--color-primary);
  background: #e8f0f8;
  padding: 3px 10px;
  border-radius: var(--radius-xl);
  margin-bottom: 10px;
  letter-spacing: .03em;
}

.article-card__title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.55;
  margin-bottom: 12px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .78rem;
  color: var(--color-text-light);
}

.article-card__date {}

/* ==========================================
   ランキングセクション（トップ）
========================================== */
.ranking-list { display: flex; flex-direction: column; gap: 16px; }

.ranking-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
}

.ranking-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.ranking-item--1 { border-left: 4px solid var(--color-rank1); }
.ranking-item--2 { border-left: 4px solid var(--color-rank2); }
.ranking-item--3 { border-left: 4px solid var(--color-rank3); }

.ranking-item__num {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--color-white);
  line-height: 1;
}

.ranking-item--1 .ranking-item__num { background: var(--color-rank1); }
.ranking-item--2 .ranking-item__num { background: var(--color-rank2); }
.ranking-item--3 .ranking-item__num { background: var(--color-rank3); }
.ranking-item:not(.ranking-item--1):not(.ranking-item--2):not(.ranking-item--3) .ranking-item__num {
  background: #bcc5d0;
  font-size: 1rem;
}

.ranking-item__logo {
  width: 80px;
  height: 48px;
  flex-shrink: 0;
  object-fit: contain;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px;
  background: var(--color-white);
}

.ranking-item__logo-placeholder {
  width: 80px;
  height: 48px;
  flex-shrink: 0;
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .65rem;
  color: var(--color-text-light);
  text-align: center;
}

.ranking-item__body { flex: 1; min-width: 0; }

.ranking-item__name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.ranking-item__point {
  font-size: .82rem;
  color: var(--color-text-mid);
  line-height: 1.5;
}

.ranking-item__point strong { color: var(--color-accent); }

.ranking-item__rating { display: flex; align-items: center; gap: 6px; margin-top: 6px; }

.stars {
  display: flex;
  gap: 2px;
  color: #f9a825;
  font-size: .9rem;
}

.stars__count { font-size: .82rem; font-weight: 700; color: var(--color-text-mid); }

.ranking-item__cta { flex-shrink: 0; }

@media (max-width: 600px) {
  .ranking-item { flex-wrap: wrap; }
  .ranking-item__cta { width: 100%; }
  .ranking-item__cta .btn { width: 100%; }
}

/* ==========================================
   比較テーブル
========================================== */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: .9rem;
}

.comparison-table th,
.comparison-table td {
  padding: 14px 16px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: .85rem;
}

.comparison-table th:first-child { text-align: left; }
.comparison-table td:first-child { text-align: left; font-weight: 700; color: var(--color-text); }

.comparison-table tr:last-child td { border-bottom: none; }

.comparison-table tr:nth-child(even) td { background: #f8f9fb; }

.comparison-table .rank-col { width: 60px; }
.comparison-table .name-col { min-width: 140px; }

.check { color: var(--color-success); font-weight: 700; font-size: 1.1rem; }
.cross { color: #c62828; font-weight: 700; font-size: 1.1rem; }
.triangle { color: #f57f17; font-weight: 700; }

.comparison-table .highlight-row td { background: #fffbf0 !important; border-left: 3px solid var(--color-rank1); }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll .comparison-table { min-width: 620px; }

/* ==========================================
   記事本文
========================================== */
.entry-content {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-text);
}

.entry-content h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 2em 0 .8em;
  padding: 14px 18px;
  background: linear-gradient(90deg, #e8f0f8 0%, #f5f8fc 100%);
  border-left: 5px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  line-height: 1.4;
}

.entry-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 1.8em 0 .7em;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
  position: relative;
}

.entry-content h3::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--color-accent);
}

.entry-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 1.5em 0 .6em;
  padding-left: 12px;
  border-left: 3px solid var(--color-accent);
}

.entry-content p { margin-bottom: 1.4em; }

.entry-content ul, .entry-content ol { margin-bottom: 1.4em; }
.entry-content li { margin-bottom: .5em; }

.entry-content strong { color: var(--color-primary); font-weight: 700; }

.entry-content blockquote {
  margin: 1.8em 0;
  padding: 20px 24px;
  background: var(--color-bg);
  border-left: 4px solid var(--color-primary-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-mid);
  font-style: italic;
}

.entry-content table {
  margin: 1.8em 0;
  font-size: .9rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.entry-content table th { background: var(--color-primary); color: var(--color-white); padding: 12px 16px; font-weight: 700; }
.entry-content table td { padding: 11px 16px; border-bottom: 1px solid var(--color-border); }
.entry-content table tr:nth-child(even) td { background: #f8f9fb; }

.entry-content .wp-block-image { margin: 2em 0; }
.entry-content .wp-block-image img { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }

/* インフォボックス */
.info-box {
  margin: 1.8em 0;
  padding: 20px 24px;
  background: #e8f0f8;
  border: 1px solid #b8d0e8;
  border-radius: var(--radius-md);
}

.info-box__title {
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  font-size: .95rem;
}

.caution-box {
  background: #fff8e1;
  border: 1px solid #ffe082;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 1.8em 0;
}

.caution-box__title { font-weight: 700; color: #f57f17; margin-bottom: 8px; font-size: .95rem; }

/* ==========================================
   目次
========================================== */
.toc-box {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin: 0 0 2.4em;
}

.toc-box__title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.toc-box__list { list-style: none; padding: 0; counter-reset: toc; }

.toc-box__list li {
  counter-increment: toc;
  padding: 6px 0;
  border-bottom: 1px dashed var(--color-border);
}

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

.toc-box__list li a {
  font-size: .9rem;
  color: var(--color-primary-light);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.toc-box__list li a::before {
  content: counter(toc) ".";
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
  min-width: 24px;
}

.toc-box__list li a:hover { color: var(--color-accent); }

/* ==========================================
   記事ヘッダー
========================================== */
.entry-header { margin-bottom: 32px; }

.entry-cats { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }

.cat-badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-xl);
  background: var(--color-primary);
  color: var(--color-white);
}

.entry-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--color-text);
  line-height: 1.4;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: .82rem;
  color: var(--color-text-light);
  padding: 12px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.entry-meta__item { display: flex; align-items: center; gap: 6px; }
.entry-meta__label { font-weight: 600; color: var(--color-text-mid); }

.entry-thumbnail {
  margin-bottom: 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.entry-thumbnail img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

/* ==========================================
   CTA ボックス（記事内）
========================================== */
.cta-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin: 2.4em 0;
  color: var(--color-white);
}

.cta-box__title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.4;
}

.cta-box__desc { font-size: .9rem; opacity: .9; margin-bottom: 20px; line-height: 1.6; }

/* ==========================================
   サイドバー
========================================== */
.sidebar { position: sticky; top: 88px; }

.widget {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
}

.widget__title {
  background: var(--color-primary);
  color: var(--color-white);
  font-size: .9rem;
  font-weight: 800;
  padding: 12px 18px;
  letter-spacing: .03em;
}

.widget__body { padding: 20px; }

/* サイドバーランキング */
.sidebar-ranking { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 12px; }

.sidebar-ranking__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-ranking__item:last-child { border-bottom: none; padding-bottom: 0; }

.sidebar-ranking__num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 900;
  color: var(--color-white);
  flex-shrink: 0;
  background: #bcc5d0;
}

.sidebar-ranking__item:nth-child(1) .sidebar-ranking__num { background: var(--color-rank1); }
.sidebar-ranking__item:nth-child(2) .sidebar-ranking__num { background: var(--color-rank2); }
.sidebar-ranking__item:nth-child(3) .sidebar-ranking__num { background: var(--color-rank3); }

.sidebar-ranking__name { font-size: .85rem; font-weight: 700; color: var(--color-primary); line-height: 1.4; }
.sidebar-ranking__score { font-size: .78rem; color: var(--color-text-light); margin-top: 2px; }

/* 最新記事ウィジェット */
.widget-posts { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 12px; }

.widget-post {
  display: flex;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.widget-post:last-child { border-bottom: none; padding-bottom: 0; }

.widget-post__thumb {
  width: 72px;
  height: 54px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-bg-dark);
}

.widget-post__thumb img { width: 100%; height: 100%; object-fit: cover; }

.widget-post__title {
  font-size: .82rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.widget-post__title a { color: inherit; }
.widget-post__title a:hover { color: var(--color-accent); }

/* ==========================================
   ページネーション
========================================== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: .9rem;
  font-weight: 600;
  color: var(--color-text-mid);
  background: var(--color-white);
  transition: all var(--transition);
}

.page-numbers:hover { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }
.page-numbers.current { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }

/* ==========================================
   フッター
========================================== */
.site-footer {
  background: #0e2238;
  color: rgba(255,255,255,.75);
  padding: 56px 0 0;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand__title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 8px;
}

.footer-brand__title span { color: #f9a825; }

.footer-brand__desc { font-size: .82rem; line-height: 1.7; margin-top: 12px; }

.footer-col__title {
  font-size: .88rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,.15);
}

.footer-nav { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 8px; }

.footer-nav li a {
  font-size: .82rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}

.footer-nav li a:hover { color: var(--color-white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom__links { display: flex; gap: 20px; flex-wrap: wrap; }

.footer-bottom__links a {
  font-size: .78rem;
  color: rgba(255,255,255,.5);
}

.footer-bottom__links a:hover { color: rgba(255,255,255,.85); }

.footer-copyright { font-size: .78rem; color: rgba(255,255,255,.45); }

/* ==========================================
   アーカイブページ
========================================== */
.archive-header {
  background: var(--color-primary);
  padding: 32px 0;
  margin-bottom: 0;
}

.archive-title-wrap { }

.archive-label {
  font-size: .75rem;
  font-weight: 700;
  color: rgba(255,255,255,.65);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.archive-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.3;
}

.archive-desc { margin-top: 8px; font-size: .9rem; color: rgba(255,255,255,.75); }

/* ==========================================
   検索ページ
========================================== */
.search-header { background: var(--color-primary); padding: 32px 0; }
.search-header .search-query { color: #f9a825; font-weight: 900; }
.search-header p { color: var(--color-white); font-size: 1.3rem; font-weight: 700; }
.search-header .result-count { font-size: .9rem; color: rgba(255,255,255,.7); margin-top: 6px; }

/* ==========================================
   404 ページ
========================================== */
.error-page { text-align: center; padding: 80px 20px; }
.error-page__code { font-size: 6rem; font-weight: 900; color: var(--color-border); line-height: 1; }
.error-page__title { font-size: 1.5rem; font-weight: 800; color: var(--color-primary); margin: 16px 0 12px; }
.error-page__desc { color: var(--color-text-mid); margin-bottom: 32px; }

/* ==========================================
   タグ一覧
========================================== */
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }

.tag-item {
  display: inline-block;
  padding: 5px 14px;
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  font-size: .8rem;
  color: var(--color-text-mid);
  transition: all var(--transition);
}

.tag-item:hover { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }

/* ==========================================
   前後記事ナビ
========================================== */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

@media (max-width: 600px) { .post-navigation { grid-template-columns: 1fr; } }

.post-navigation__item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: box-shadow var(--transition);
}

.post-navigation__item:hover { box-shadow: var(--shadow-md); }

.post-navigation__label { font-size: .72rem; color: var(--color-text-light); margin-bottom: 6px; }
.post-navigation__title { font-size: .9rem; font-weight: 700; color: var(--color-primary); line-height: 1.45; }
.post-navigation__item.next { text-align: right; }

/* ==========================================
   コメント
========================================== */
.comments-area {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.comments-area h2 { font-size: 1.3rem; font-weight: 800; color: var(--color-primary); margin-bottom: 24px; }

.comment-list { list-style: none; padding: 0; }

.comment {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
}

.comment-author { font-weight: 700; color: var(--color-primary); font-size: .9rem; }
.comment-meta { font-size: .78rem; color: var(--color-text-light); margin-bottom: 10px; }
.comment-body p { font-size: .9rem; margin: 0; }

.comment-form label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 6px; color: var(--color-text); }
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: .9rem;
  outline: none;
  transition: border-color var(--transition);
  margin-bottom: 16px;
}

.comment-form input:focus, .comment-form textarea:focus { border-color: var(--color-primary); }
.comment-form textarea { height: 120px; resize: vertical; }

/* ==========================================
   スキップリンク（アクセシビリティ）
========================================== */
.skip-link {
  position: absolute;
  top: -999px;
  left: -999px;
  padding: 8px 16px;
  background: var(--color-primary);
  color: var(--color-white);
  z-index: 9999;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.skip-link:focus { top: 0; left: 20px; }

/* ==========================================
   ユーティリティ
========================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* アラインメント（Gutenberg） */
.aligncenter { margin: 0 auto; display: block; }
.alignright { float: right; margin-left: 24px; }
.alignleft { float: left; margin-right: 24px; }
.alignwide { margin-left: -40px; margin-right: -40px; max-width: calc(100% + 80px); }
.alignfull { margin-left: calc(50% - 50vw); width: 100vw; max-width: 100vw; }

@media (max-width: 768px) {
  .alignright, .alignleft { float: none; margin: 0 0 1em; }
  .alignwide { margin-left: 0; margin-right: 0; max-width: 100%; }
  .alignfull { margin-left: -20px; width: calc(100% + 40px); }
}