/*
Theme Name:  PalmFan
Theme URI:   https://palmfan.com
Author:      PalmFan
Description: Custom theme for palmfan.com — Apple & tech blog
Version:     1.1.0
License:     GNU General Public License v2 or later
Text Domain: palmfan
*/

/* ============================================================
   CSS Variables
   ============================================================ */
:root {
  --pf-accent:       #3b8dbd;
  --pf-accent-light: #e6f3fa;
  --pf-accent-dark:  #2a6e9a;
  --pf-text:         #1d1d1f;
  --pf-text-sub:     #6e6e73;
  --pf-bg:           #ffffff;
  --pf-bg-2:         #f5f5f7;
  --pf-border:       #d2d2d7;
  --pf-radius:       6px;
  --pf-gold:         #c8960c;
  --pf-gold-light:   #fdf3d9;
  --pf-gold-2:       #e8a800;
  --pf-font-en:      'Inter', sans-serif;
  --pf-font-ja:      'Noto Sans JP', sans-serif;
  --pf-max-width:    1200px;
  --pf-content-width: 960px;
}

/* ダークモード変数：body[data-theme="dark"] で JS制御、OS設定フォールバック */
body[data-theme="dark"] {
  --pf-accent:       #5aaed8;
  --pf-accent-light: #0d1f2e;
  --pf-accent-dark:  #7ac4e8;
  --pf-text:         #f5f5f7;
  --pf-text-sub:     #a1a1a6;
  --pf-bg:           #111111;
  --pf-bg-2:         #1c1c1e;
  --pf-border:       #3a3a3c;
}

@media (prefers-color-scheme: dark) {
  body:not([data-theme="light"]) {
    --pf-accent:       #5aaed8;
    --pf-accent-light: #0d1f2e;
    --pf-accent-dark:  #7ac4e8;
    --pf-text:         #f5f5f7;
    --pf-text-sub:     #a1a1a6;
    --pf-bg:           #111111;
    --pf-bg-2:         #1c1c1e;
    --pf-border:       #3a3a3c;
  }
}


/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--pf-font-ja);
  background: var(--pf-bg);
  color: var(--pf-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--pf-accent); text-decoration: none; }
a:hover { color: var(--pf-accent-dark); }

/* ============================================================
   Layout
   ============================================================ */
.site-container {
  max-width: var(--pf-content-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  padding: 2.5rem 0 4rem;
  max-width: var(--pf-content-width);
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.site-layout.full-width {
  grid-template-columns: 1fr;
}

main { min-width: 0; }

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--pf-border);
  transition: background 0.3s, border-color 0.3s;
}

body[data-theme="dark"] .site-header,
@media (prefers-color-scheme: dark) {
  body:not([data-theme="light"]) .site-header {
    background: rgba(17, 17, 17, 0.92);
  }
}

body[data-theme="dark"] .site-header {
  background: rgba(17, 17, 17, 0.92);
}

.header-inner {
  max-width: var(--pf-content-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-branding a {
  font-family: var(--pf-font-en);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.04em;
  color: var(--pf-text);
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.main-navigation a {
  font-family: var(--pf-font-en);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--pf-text-sub);
  transition: color 0.2s;
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a {
  color: var(--pf-accent);
}

/* ドロップダウン */
.main-navigation li { position: relative; }

.main-navigation .sub-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 180px;
  background: var(--pf-bg);
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  flex-direction: column;
  gap: 0;
  z-index: 200;
  overflow: hidden;
}

/* 親liとサブメニューの隙間を疑似要素で埋めてhoverが切れないようにする */
.main-navigation li::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 0.6rem;
  display: block;
}

.main-navigation li:hover > .sub-menu { display: flex; }

.main-navigation .sub-menu a {
  display: block;
  padding: 0.6rem 1rem;
  font-size: 0.78rem;
  color: var(--pf-text);
  border-bottom: 1px solid var(--pf-border);
}

.main-navigation .sub-menu li:last-child a { border-bottom: none; }
.main-navigation .sub-menu a:hover { background: var(--pf-bg-2); color: var(--pf-accent); }

/* ============================================================
   Hero（トップページ）
   ============================================================ */
.home-hero {
  background: var(--pf-bg-2);
  border-bottom: 1px solid var(--pf-border);
  padding: 2.5rem 0 0;
}

.hero-inner {
  max-width: var(--pf-content-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: end;
}

.hero-content .cat-badge { margin-bottom: 1rem; }

.hero-title {
  font-family: var(--pf-font-en), var(--pf-font-ja);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.025em;
  color: var(--pf-text);
  margin-bottom: 0.75rem;
}

.hero-title a { color: inherit; }
.hero-title a:hover { color: var(--pf-accent); }

.hero-excerpt {
  font-size: 0.9rem;
  color: var(--pf-text-sub);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.hero-meta {
  font-family: var(--pf-font-en);
  font-size: 0.74rem;
  color: var(--pf-text-sub);
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero-thumbnail {
  border-radius: 10px 10px 0 0;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--pf-border);
}

.hero-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================================
   Section Header（一覧タイトル）
   ============================================================ */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--pf-border);
}

.section-label {
  font-family: var(--pf-font-en);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pf-text-sub);
  padding-bottom: 0.6rem;
  margin-bottom: -0.6rem;
  border-bottom: 2px solid var(--pf-accent);
}

.section-more {
  font-family: var(--pf-font-en);
  font-size: 0.72rem;
  color: var(--pf-accent);
}

/* ============================================================
   Card Grid（記事カード）
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.card {
  border: 1px solid var(--pf-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--pf-bg);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.card-thumbnail {
  height: 180px;
  overflow: hidden;
  background: var(--pf-bg-2);
  display: block;
}

.card-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:hover .card-thumbnail img { transform: scale(1.03); }

.card-body { padding: 1rem 1.1rem 1.2rem; }

.card-cat {
  font-family: var(--pf-font-en);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pf-accent);
  margin-bottom: 0.4rem;
}

.card-title {
  font-family: var(--pf-font-en), var(--pf-font-ja);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--pf-text);
  margin-bottom: 0.4rem;
}

.card-title a { color: inherit; }
.card-title a:hover { color: var(--pf-accent); }

.card-meta {
  font-family: var(--pf-font-en);
  font-size: 0.68rem;
  color: var(--pf-text-sub);
}

/* ============================================================
   Cat Badge（カテゴリバッジ）
   ============================================================ */
.cat-badge {
  display: inline-block;
  font-family: var(--pf-font-en);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--pf-accent);
  background: var(--pf-accent-light);
  padding: 0.22em 0.7em;
  border-radius: 4px;
}

.cat-badge a { color: inherit; }

/* ============================================================
   記事ページ — Entry
   ============================================================ */
.entry-header { margin-bottom: 2rem; }

.entry-cats { margin-bottom: 0.85rem; display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* h1 記事タイトル */
.entry-title {
  font-family: var(--pf-font-en), var(--pf-font-ja);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.025em;
  color: var(--pf-text);
  margin-bottom: 0;
  position: relative;
}

.entry-title::after {
  content: '';
  display: block;
  margin-top: 0.65rem;
  width: 3rem;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--pf-accent) 0%, #5bbfdf 100%);
  transition: width 0.35s ease;
}

.entry-title:hover::after { width: 7rem; }

.entry-meta {
  font-family: var(--pf-font-en);
  font-size: 0.76rem;
  color: var(--pf-text-sub);
  display: flex;
  gap: 1.2rem;
  align-items: center;
  border-top: 1px solid var(--pf-border);
  border-bottom: 1px solid var(--pf-border);
  padding: 0.75rem 0;
  margin-top: 1.25rem;
}

.entry-thumbnail {
  margin-bottom: 2rem;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--pf-bg-2);
}

.entry-thumbnail img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================================
   記事本文 — entry-content
   ============================================================ */
.entry-content {
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--pf-text);
}

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

.entry-content a {
  color: var(--pf-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

/* h2 */
.entry-content h2 {
  font-family: var(--pf-font-en), var(--pf-font-ja);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--pf-text);
  margin: 3rem 0 1rem;
  padding: 0.1em 0 0.1em 0.85em;
  border-left: 3.5px solid var(--pf-accent);
  transition: border-color 0.2s ease;
}

.entry-content h2:hover { border-left-color: #5bbfdf; }

/* h3 */
.entry-content h3 {
  font-family: var(--pf-font-en), var(--pf-font-ja);
  font-size: clamp(0.88rem, 2vw, 1.08rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--pf-accent);
  margin: 2rem 0 0.8rem;
  padding: 0.4em 0.9em;
  background: var(--pf-accent-light);
  border-radius: var(--pf-radius);
  display: inline-block;
}

/* h4 */
.entry-content h4 {
  font-family: var(--pf-font-en), var(--pf-font-ja);
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--pf-text);
  margin: 1.75rem 0 0.6rem;
}

.entry-content ul,
.entry-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.4rem;
}

.entry-content li { margin-bottom: 0.4rem; }

.entry-content blockquote {
  border-left: 3px solid var(--pf-accent);
  padding: 0.75rem 1.2rem;
  margin: 1.5rem 0;
  background: var(--pf-bg-2);
  border-radius: 0 var(--pf-radius) var(--pf-radius) 0;
  color: var(--pf-text-sub);
  font-style: italic;
}

.entry-content hr {
  border: none;
  border-top: 1px solid var(--pf-border);
  margin: 2.5rem 0;
}

.entry-content img {
  border-radius: var(--pf-radius);
  margin: 1.5rem 0;
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.entry-content th,
.entry-content td {
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--pf-border);
  text-align: left;
}

.entry-content th {
  background: var(--pf-bg-2);
  font-weight: 700;
  font-family: var(--pf-font-en);
  font-size: 0.78rem;
}

.entry-content code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.87em;
  background: var(--pf-bg-2);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  color: var(--pf-accent-dark);
}

.entry-content pre {
  background: var(--pf-bg-2);
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius);
  padding: 1.2rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.entry-content pre code {
  background: none;
  padding: 0;
  font-size: 0.87rem;
  color: var(--pf-text);
}

/* ============================================================
   記事ナビ（前後）
   ============================================================ */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--pf-border);
}

.nav-previous, .nav-next { }
.nav-next { text-align: right; }

.post-navigation .nav-label {
  font-family: var(--pf-font-en);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pf-text-sub);
  display: block;
  margin-bottom: 0.3rem;
}

.post-navigation a {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--pf-text);
  line-height: 1.4;
}

.post-navigation a:hover { color: var(--pf-accent); }

/* ============================================================
   Breadcrumb
   ============================================================ */
.breadcrumb {
  font-family: var(--pf-font-en);
  font-size: 0.72rem;
  color: var(--pf-text-sub);
  margin-bottom: 1.25rem;
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--pf-text-sub); }
.breadcrumb a:hover { color: var(--pf-accent); }
.breadcrumb .sep { opacity: 0.5; }

/* ============================================================
   Sidebar
   ============================================================ */
.sidebar { font-size: 0.9rem; }

.widget { margin-bottom: 2.5rem; }

.widget-title {
  font-family: var(--pf-font-en);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pf-text-sub);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--pf-border);
  margin-bottom: 1rem;
}

.widget ul { list-style: none; }

.widget ul li {
  border-bottom: 1px solid var(--pf-border);
  padding: 0.5rem 0;
  font-size: 0.85rem;
}

.widget ul li:last-child { border-bottom: none; }
.widget ul li a { color: var(--pf-text); }
.widget ul li a:hover { color: var(--pf-accent); }

/* ============================================================
   Archive / Category Page
   ============================================================ */
.archive-header {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--pf-border);
}

.archive-title {
  font-family: var(--pf-font-en), var(--pf-font-ja);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--pf-text);
}

.archive-description {
  font-size: 0.88rem;
  color: var(--pf-text-sub);
  margin-top: 0.5rem;
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.pagination .page-numbers {
  font-family: var(--pf-font-en);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4em 0.85em;
  border-radius: var(--pf-radius);
  border: 1px solid var(--pf-border);
  color: var(--pf-text-sub);
  transition: all 0.2s;
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  background: var(--pf-accent);
  border-color: var(--pf-accent);
  color: #fff;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--pf-border);
  padding: 2.5rem 0;
  margin-top: 4rem;
}

.footer-inner {
  max-width: var(--pf-content-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--pf-font-en);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.03em;
  color: var(--pf-text);
}

.footer-copy {
  font-family: var(--pf-font-en);
  font-size: 0.72rem;
  color: var(--pf-text-sub);
}

.footer-nav ul {
  display: flex;
  list-style: none;
  gap: 1.25rem;
}

.footer-nav a {
  font-family: var(--pf-font-en);
  font-size: 0.75rem;
  color: var(--pf-text-sub);
}

.footer-nav a:hover { color: var(--pf-accent); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .site-layout {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  /* スマホ幅ではヒーローサムネイルを縦積みで表示 */
  .hero-thumbnail {
    display: block;
    border-radius: 10px;
    margin-top: 1rem;
  }

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

@media (max-width: 600px) {
  .header-inner { gap: 1rem; }

  /* PCナビは非表示、ハンバーガーを表示 */
  .main-navigation { display: none; }
  .main-navigation.is-open { display: block; }

  /* ハンバーガーボタン */
  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: 1px solid var(--pf-border);
    border-radius: 50%;
    cursor: pointer;
    padding: 8px;
    flex-shrink: 0;
    transition: border-color 0.2s;
  }

  .hamburger:hover { border-color: var(--pf-accent); }

  .hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--pf-text);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
  }

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

  /* スマホ時のナビ展開表示 */
  .main-navigation.is-open {
    display: block;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--pf-bg);
    border-bottom: 1px solid var(--pf-border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    z-index: 99;
    padding: 1rem 1.5rem;
  }

  .main-navigation.is-open ul {
    flex-direction: column;
    gap: 0;
  }

  .main-navigation.is-open > ul > li {
    border-bottom: 1px solid var(--pf-border);
  }

  .main-navigation.is-open > ul > li:last-child {
    border-bottom: none;
  }

  .main-navigation.is-open a {
    display: block;
    padding: 0.75rem 0;
    font-size: 0.9rem;
    color: var(--pf-text);
  }

  .main-navigation.is-open .sub-menu {
    display: block;
    position: static;
    box-shadow: none;
    border: none;
    background: none;
    padding-left: 1rem;
  }

  .main-navigation.is-open .sub-menu a {
    font-size: 0.82rem;
    color: var(--pf-text-sub);
    border-bottom: none;
    padding: 0.4rem 0;
  }

  .card-grid { grid-template-columns: 1fr; }

  .post-navigation { grid-template-columns: 1fr; }
  .nav-next { text-align: left; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav ul { flex-wrap: wrap; justify-content: center; }
}

/* ハンバーガーはPCでは非表示 */
.hamburger { display: none; }

/* ============================================================
   ロゴ
   ============================================================ */
.branding-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.branding-link img {
  height: 32px;
  width: auto;
  display: block;
}

.site-title {
  font-family: var(--pf-font-en);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.04em;
  color: var(--pf-text);
}

/* DIアイコン（ダイナミックアイランド風） */
.di-logo-icon {
  width: 16px;
  height: 26px;
  border: 2px solid var(--pf-text);
  border-radius: 5px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 3px;
  flex-shrink: 0;
  transition: border-color 0.3s;
}

.di-logo-pill {
  width: 7px;
  height: 4px;
  background: var(--pf-text);
  border-radius: 3px;
  transition: background 0.3s, box-shadow 0.3s;
}

/* ダーク時：枠はホワイト、ピルだけ青く光る */
body[data-theme="dark"] .di-logo-icon {
  border-color: var(--pf-text);
}
body[data-theme="dark"] .di-logo-pill {
  background: var(--pf-accent);
  box-shadow: 0 0 5px rgba(90, 174, 216, 0.8);
}

@media (prefers-color-scheme: dark) {
  body:not([data-theme="light"]) .di-logo-icon {
    border-color: var(--pf-text);
  }
  body:not([data-theme="light"]) .di-logo-pill {
    background: var(--pf-accent);
    box-shadow: 0 0 5px rgba(90, 174, 216, 0.8);
  }
}

/* ============================================================
   トップページ セクション共通
   ============================================================ */
.top-sections {
  padding-top: 2.5rem;
  padding-bottom: 4rem;
}

.top-section {
  margin-bottom: 3.5rem;
}

.section-more .arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}

.section-more:hover .arrow {
  transform: translateX(4px);
}

/* ============================================================
   アクセスランキング＆レビューランキング（タブ切り替え）
   ============================================================ */

/* タブ */
.ranking-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--pf-border);
  margin-bottom: 0;
}

.ranking-tab {
  font-family: var(--pf-font-en);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--pf-text-sub);
  padding: 0.55rem 1rem 0.65rem;
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s;
}

.ranking-tab.active {
  color: var(--pf-accent);
  border-bottom-color: var(--pf-accent);
}

.ranking-tab.active.gold {
  color: var(--pf-gold);
  border-bottom-color: var(--pf-gold);
}

/* タブパネル */
.ranking-panel {
  display: none;
}
.ranking-panel.active {
  display: block;
}

/* リスト共通 */
.ranking-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--pf-border);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 1rem;
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--pf-border);
  background: var(--pf-bg);
  transition: background 0.15s;
}

.ranking-item:last-child { border-bottom: none; }
.ranking-item:hover { background: var(--pf-bg-2); }

.rank-num {
  font-family: var(--pf-font-en);
  font-weight: 800;
  font-size: 1.1rem;
  min-width: 1.8rem;
  text-align: center;
  color: var(--pf-text-sub);
}

.rank-1 { color: #c8960c; }
.rank-2 { color: #888; }
.rank-3 { color: #a0652a; }

.rank-thumb {
  flex-shrink: 0;
}

.rank-thumb img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--pf-radius);
}

.rank-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.rank-title {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--pf-text);
}

.rank-title:hover { color: var(--pf-accent); }

/* バートラック（アクセスランキング：青） */
.bar-track {
  width: 100%;
  height: 4px;
  background: var(--pf-bg-2);
  border-radius: 2px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--pf-accent);
  border-radius: 2px;
  transition: width 0.6s ease;
}

/* バートラック（レビューランキング：ゴールド） */
.bar-fill-gold {
  height: 100%;
  background: linear-gradient(90deg, var(--pf-gold) 0%, var(--pf-gold-2) 100%);
  border-radius: 2px;
  transition: width 0.6s ease;
}

/* スコアバッジ */
.score-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--pf-font-en);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--pf-gold);
  background: var(--pf-gold-light);
  padding: 0.18em 0.55em;
  border-radius: 4px;
  line-height: 1;
  white-space: nowrap;
  flex-shrink: 0;
}

/* バー＋バッジの行 */
.bar-score-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ============================================================
   最新記事一覧 — リスト表示（index.php）
   ============================================================ */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--pf-border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.post-list-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--pf-border);
  background: var(--pf-bg);
  transition: background 0.15s;
}

.post-list-item:last-child { border-bottom: none; }
.post-list-item:hover { background: var(--pf-bg-2); }

.post-list-thumb {
  flex-shrink: 0;
  width: 120px;
  height: 80px;
  border-radius: var(--pf-radius);
  overflow: hidden;
  display: block;
  background: var(--pf-bg-2);
}

.post-list-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.post-list-item:hover .post-list-thumb img { transform: scale(1.03); }

.post-list-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.post-list-cat {
  font-family: var(--pf-font-en);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pf-accent);
}

.post-list-title {
  font-family: var(--pf-font-en), var(--pf-font-ja);
  font-size: 0.97rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--pf-text);
}

.post-list-title a { color: inherit; }
.post-list-title a:hover { color: var(--pf-accent); }

.post-list-excerpt {
  font-size: 0.82rem;
  color: var(--pf-text-sub);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-list-meta {
  font-family: var(--pf-font-en);
  font-size: 0.68rem;
  color: var(--pf-text-sub);
  margin-top: 0.1rem;
}

@media (max-width: 600px) {
  .post-list-thumb {
    width: 80px;
    height: 60px;
  }
  .post-list-excerpt { display: none; }
}

/* ============================================================
   AdSense スロット
   ============================================================ */
.adsense-slot {
  display: flex;
  justify-content: center;
  background: var(--pf-bg-2);
  border-top: 1px solid var(--pf-border);
  border-bottom: 1px solid var(--pf-border);
  padding: 1rem;
  min-height: 90px; /* 空の時も高さを確保しない場合はこの行を削除 */
}

/* 空のスロットは非表示（AdSense未設定時） */
.adsense-slot:empty { display: none; }

/* ============================================================
   フッターナビ — 入れ子（ドロップダウン）
   ============================================================ */
.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 0;
}

.footer-nav > ul > li {
  position: relative;
}

.footer-nav > ul > li > a {
  display: block;
  font-family: var(--pf-font-en);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--pf-text-sub);
  padding: 0.4rem 0.9rem;
  transition: color 0.2s;
}

.footer-nav > ul > li > a:hover {
  color: var(--pf-accent);
}

/* 子メニュー：上に向けて展開 */
.footer-nav .sub-menu {
  display: none;
  position: absolute;
  bottom: calc(100% + 0.4rem);
  left: 0;
  min-width: 160px;
  background: var(--pf-bg);
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
  z-index: 200;
  overflow: hidden;
  flex-direction: column;
}

.footer-nav li:hover > .sub-menu {
  display: flex;
}

.footer-nav .sub-menu li a {
  display: block;
  font-family: var(--pf-font-en);
  font-size: 0.76rem;
  color: var(--pf-text);
  padding: 0.55rem 1rem;
  border-bottom: 1px solid var(--pf-border);
  transition: background 0.15s, color 0.15s;
}

.footer-nav .sub-menu li:last-child a {
  border-bottom: none;
}

.footer-nav .sub-menu li a:hover {
  background: var(--pf-bg-2);
  color: var(--pf-accent);
}

/* ============================================================
   Table of Contents Plus — デフォルトのグレー背景を維持
   ============================================================ */
#toc_container {
  background: #f9f9f9 !important;
  border: 1px solid #aaa !important;
  padding: 10px !important;
  border-radius: 3px !important;
}

#toc_container .toc_title {
  color: #1d1d1f !important;
}

#toc_container ul li a {
  color: #1d1d1f !important;
  background: none !important;
  padding: 0 !important;
  border-radius: 0 !important;
}

#toc_container ul li a:hover {
  color: var(--pf-accent) !important;
}

/* ダーク/ライト トグルボタン */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--pf-border);
  background: var(--pf-bg);
  color: var(--pf-text-sub);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--pf-accent);
  color: var(--pf-accent);
  background: var(--pf-accent-light);
}

/* アイコン初期状態（JS起動前のフラッシュ防止） */
.icon-sun  { display: none; }
.icon-moon { display: block; }

/* ページネーション */
.pagination {
  display: flex;
  gap: 0.35rem;
  justify-content: center;
  align-items: center;
  margin-top: 3rem;
  flex-wrap: wrap;
}

/* paginate_links() の実際の出力クラスに合わせる */
.pagination a.page-numbers,
.pagination span.page-numbers {
  font-family: var(--pf-font-en);
  font-size: 0.82rem;
  font-weight: 600;
  min-width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--pf-border);
  color: var(--pf-text-sub);
  background: var(--pf-bg);
  transition: all 0.15s ease;
  text-decoration: none;
}

.pagination a.page-numbers:hover {
  border-color: var(--pf-accent);
  color: var(--pf-accent);
  background: var(--pf-accent-light);
}

.pagination span.page-numbers.current {
  background: var(--pf-accent);
  border-color: var(--pf-accent);
  color: #fff;
}

.pagination span.page-numbers.dots {
  border-color: transparent;
  background: transparent;
  color: var(--pf-text-sub);
  pointer-events: none;
}

.pagination a.prev.page-numbers,
.pagination a.next.page-numbers {
  padding: 0 0.9rem;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
}

/* ============================================================
   内部リンクカード
   WordPressの「リンク」ブロック / oEmbed / ブックマーク
   ============================================================ */

/* 共通ラッパー */
.wp-block-embed,
.wp-block-bookmark,
.rich-link,
figure.wp-block-embed {
  margin: 2rem auto;
  max-width: 560px;
  display: block;
}

/* カード本体 */
.wp-block-embed__wrapper,
.wp-block-bookmark__body,
.rich-link__quote,
.wp-block-embed .wp-block-embed__wrapper {
  border: 1px solid var(--pf-border);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--pf-bg);
  transition: box-shadow 0.2s;
  text-decoration: none;
}

.wp-block-embed__wrapper:hover,
.wp-block-bookmark__body:hover,
.rich-link:hover .rich-link__quote {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

/* サムネイル */
.wp-block-embed__wrapper img,
.wp-block-bookmark__image img,
.rich-link__image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* テキスト部分 */
.wp-block-bookmark__description,
.rich-link__description {
  padding: 0.85rem 1rem 1rem;
}

/* タイトル */
.wp-block-bookmark__name,
.rich-link__title {
  font-family: var(--pf-font-en), var(--pf-font-ja);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--pf-text);
  margin-bottom: 0.35rem;
  display: block;
}

/* 概要 */
.wp-block-bookmark__description p,
.rich-link__excerpt {
  font-size: 0.8rem;
  color: var(--pf-text-sub);
  line-height: 1.6;
}

/* URL表示 */
.rich-link__url {
  font-family: var(--pf-font-en);
  font-size: 0.72rem;
  color: var(--pf-accent);
  margin-top: 0.4rem;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============================================================
   前後記事ナビ — カード型
   ============================================================ */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--pf-border);
}

.nav-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem;
  border: 1px solid var(--pf-border);
  border-radius: 10px;
  background: var(--pf-bg);
  text-decoration: none;
  transition: box-shadow 0.2s, transform 0.2s;
}

.nav-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
  transform: translateY(-1px);
}

.nav-card--next {
  flex-direction: row-reverse;
  text-align: right;
}

.nav-card-thumb {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: var(--pf-radius);
  overflow: hidden;
}

.nav-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.nav-label {
  font-family: var(--pf-font-en);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--pf-accent);
}

.nav-card-title {
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--pf-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 600px) {
  .post-navigation {
    grid-template-columns: 1fr;
  }
  .nav-card--next {
    flex-direction: row;
    text-align: left;
  }
}