/*
Theme Name: 修理のキクチ コラム
Theme URI: https://kikuchi-repair.jp/column/
Author: 修理のキクチ
Description: 修理のキクチ公式サイトのデザインに合わせたコラム（ブログ）テーマ
Version: 1.0.0
Text Domain: kikuchi-column
*/

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  color: #1A1A1A;
  line-height: 1.8;
  background: #fff;
}
h1, h2, h3, h4 { text-wrap: balance; overflow-wrap: break-word; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== VARIABLES ===== */
:root {
  --yellow: #FFCC00;
  --yellow-dark: #E6B800;
  --dark: #1A1A1A;
  --dark2: #2C2C2C;
  --gray-light: #F7F7F5;
  --gray: #EBEBEB;
  --text-muted: #666;
  --max-w: 1100px;
  --radius: 8px;
}

/* ===== UTILITIES ===== */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  text-align: center;
  margin-bottom: 0.4em;
  line-height: 1.3;
}
.yellow-bar {
  display: block;
  width: 48px;
  height: 5px;
  background: var(--yellow);
  border-radius: 3px;
  margin: 0.6rem auto 1.5rem;
}
.btn-primary {
  display: inline-block;
  background: var(--yellow);
  color: var(--dark);
  font-weight: 900;
  font-size: 1.05rem;
  padding: 16px 44px;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.15s;
  letter-spacing: 0.05em;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: var(--yellow-dark); transform: translateY(-2px); }
.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--dark);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 36px;
  border-radius: var(--radius);
  border: 2px solid var(--dark);
  transition: all 0.2s;
}
.btn-secondary:hover { background: var(--dark); color: #fff; }

/* ===== HEADER ===== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 3px solid var(--yellow);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 40px; width: auto; }
.logo-text { font-size: 1.2rem; font-weight: 900; color: var(--dark); }
.logo-text span { color: var(--yellow-dark); }
nav { margin-left: auto; }
nav ul { display: flex; gap: 28px; }
nav a { font-size: 0.88rem; font-weight: 700; color: var(--dark); transition: color 0.15s; }
nav a:hover, nav a.current { color: var(--yellow-dark); }
.header-cta { margin-left: 20px; }
.header-cta .btn-primary { padding: 10px 22px; font-size: 0.88rem; }
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 4px;
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
  background: var(--gray-light);
  border-bottom: 1px solid var(--gray);
  padding: 10px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.breadcrumb-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-muted); transition: color 0.15s; }
.breadcrumb a:hover { color: var(--yellow-dark); }
.breadcrumb span { color: #bbb; }

/* ===== PAGE HERO (コラムTOP) ===== */
.column-hero {
  background: var(--dark);
  color: #fff;
  padding: 56px 24px;
  text-align: center;
}
.column-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.column-hero h1 .em { color: var(--yellow); }
.column-hero p {
  font-size: 0.95rem;
  color: #ccc;
  margin-top: 0.8rem;
}

/* ===== LAYOUT (記事一覧 + サイドバー) ===== */
.column-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px 24px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

/* ===== 記事カード一覧 ===== */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.post-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray);
  transition: box-shadow 0.2s, transform 0.2s;
}
.post-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
  transform: translateY(-3px);
}
.post-card-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--gray-light);
}
.post-card-thumb-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--dark) 0%, #444 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.post-card-thumb-placeholder span {
  font-size: 2rem;
}
.post-card-body { padding: 20px; }
.post-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.post-card-cat {
  display: inline-block;
  background: var(--yellow);
  color: var(--dark);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
}
.post-card-date {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.post-card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--dark);
  transition: color 0.15s;
}
.post-card:hover .post-card-title { color: var(--yellow-dark); }
.post-card-excerpt {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== ページネーション ===== */
.pagination {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  border: 2px solid var(--gray);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--dark);
  transition: all 0.15s;
}
.pagination a:hover { border-color: var(--yellow); background: var(--yellow); }
.pagination .current { background: var(--yellow); border-color: var(--yellow); }

/* ===== サイドバー ===== */
.sidebar { display: flex; flex-direction: column; gap: 32px; }
.sidebar-widget {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 24px;
}
.sidebar-widget h3 {
  font-size: 0.92rem;
  font-weight: 900;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--yellow);
  color: var(--dark);
}
.sidebar-widget ul { display: flex; flex-direction: column; gap: 8px; }
.sidebar-widget li a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.15s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.sidebar-widget li a::before {
  content: '›';
  color: var(--yellow-dark);
  font-weight: 900;
}
.sidebar-widget li a:hover { color: var(--yellow-dark); }
.sidebar-cta {
  background: var(--dark);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  color: #fff;
}
.sidebar-cta p {
  font-size: 0.85rem;
  color: #ccc;
  margin-bottom: 16px;
  line-height: 1.7;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.tag-cloud a {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--gray);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: all 0.15s;
}
.tag-cloud a:hover { background: var(--yellow); border-color: var(--yellow); color: var(--dark); }

/* ===== 記事本文（single.php） ===== */
.single-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 24px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}
.article-header { margin-bottom: 32px; }
.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.article-title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 20px;
}
.article-thumb {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 36px;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.article-body {
  font-size: 0.95rem;
  line-height: 1.9;
  color: #333;
}
.article-body h2 {
  font-size: 1.3rem;
  font-weight: 900;
  margin: 2.5rem 0 1rem;
  padding-left: 14px;
  border-left: 4px solid var(--yellow);
}
.article-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 2rem 0 0.8rem;
  color: var(--dark);
}
.article-body p { margin-bottom: 1.4rem; }
.article-body ul, .article-body ol {
  margin: 1rem 0 1.4rem 1.4rem;
  list-style: disc;
  display: block;
}
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 0.4rem; }
.article-body img {
  border-radius: var(--radius);
  margin: 1.5rem 0;
}
.article-body a { color: var(--yellow-dark); text-decoration: underline; }
.article-body blockquote {
  background: var(--gray-light);
  border-left: 4px solid var(--yellow);
  padding: 16px 20px;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.88rem;
}
.article-body th {
  background: var(--dark);
  color: #fff;
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
}
.article-body td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--gray);
}
.article-body tr:nth-child(even) td { background: var(--gray-light); }

/* ===== 記事フッター（タグ・シェア） ===== */
.article-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--gray);
}
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.article-tags a {
  display: inline-block;
  background: var(--gray-light);
  border: 1px solid var(--gray);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: all 0.15s;
}
.article-tags a:hover { background: var(--yellow); border-color: var(--yellow); color: var(--dark); }

/* 前後記事ナビ */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.nav-previous, .nav-next {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: background 0.15s;
}
.nav-next { text-align: right; }
.nav-previous:hover, .nav-next:hover { background: var(--gray); }
.nav-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 4px; }
.nav-title { font-size: 0.88rem; font-weight: 700; color: var(--dark); line-height: 1.5; }

/* ===== 関連記事 ===== */
.related-posts {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 2px solid var(--gray);
}
.related-posts h3 {
  font-size: 1.1rem;
  font-weight: 900;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.related-posts h3::after {
  content: '';
  flex: 1;
  height: 2px;
  background: var(--gray);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* ===== FOOTER ===== */
footer { background: var(--dark); color: #aaa; padding: 48px 24px 24px; }
.footer-inner { max-width: var(--max-w); margin: 0 auto; }
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 20px;
  margin-bottom: 36px;
}
.footer-logo img { height: 80px; margin-bottom: 12px; }
.footer-logo p { font-size: 0.82rem; line-height: 1.8; }
.footer-nav h4 {
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid #333;
}
.footer-nav ul { display: flex; flex-direction: column; gap: 8px; }
.footer-nav a { font-size: 0.82rem; color: #aaa; transition: color 0.15s; }
.footer-nav a:hover { color: var(--yellow); }
.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a { color: #aaa; transition: color 0.15s; }
.footer-bottom a:hover { color: var(--yellow); }

/* ===== NO POSTS / 404 ===== */
.not-found-wrap {
  text-align: center;
  padding: 80px 24px;
}
.not-found-wrap h1 { font-size: 5rem; font-weight: 900; color: var(--yellow); }
.not-found-wrap h2 { font-size: 1.5rem; margin: 1rem 0 0.5rem; }
.not-found-wrap p { color: var(--text-muted); margin-bottom: 2rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .column-layout, .single-layout {
    grid-template-columns: 1fr;
  }
  .sidebar { order: -1; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  nav { display: none; }
  nav.open { display: block; position: absolute; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 2px solid var(--yellow); padding: 16px 24px; }
  nav.open ul { flex-direction: column; gap: 12px; }
  .header-cta { display: none; }
  .menu-toggle { display: block; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .posts-grid { grid-template-columns: 1fr; }
  .post-navigation { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .column-hero { padding: 40px 20px; }
}
/* ページャー横並び修正 */
.pagination ul.page-numbers {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 0;
}
.pagination ul.page-numbers li {
  display: flex;
}