/* ============================================================
   Oyaji Blog Theme v1.3
   ============================================================ */

:root {
  --navy:       #1a2744;
  --navy-dark:  #111d35;
  --navy-mid:   #1e3266;
  --blue:       #2563eb;
  --blue-h:     #1d4ed8;
  --blue-pale:  #eff6ff;
  --blue-light: #dbeafe;
  --gray-bg:    #f5f6f8;
  --gray-50:    #f9fafb;
  --gray-100:   #f3f4f6;
  --gray-200:   #e5e7eb;
  --white:      #ffffff;
  --text:       #1e2d3d;
  --text-light: #6b7280;
  --shadow:     0 2px 12px rgba(18,63,82,.08);
  --shadow-h:   0 14px 36px rgba(37,99,235,.17);
  --r:          8px;   /* カード角丸 8px */
  --r-sm:       6px;
  --max-w:      1200px;
  --hh:         66px;
  --sidebar-w:  260px;
  --t:          0.24s cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0 }

/* scroll-padding-top でアンカースクロール時にヘッダーが被らないよう補正 */
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--hh) + 16px);
}

body {
  font-family:'Noto Sans JP','Hiragino Kaku Gothic ProN','Hiragino Sans',Meiryo,sans-serif;
  font-size:16px; line-height:1.85; color:var(--text);
  background:var(--gray-bg); -webkit-font-smoothing:antialiased;
}
img { max-width:100%; height:auto; display:block }
ul,ol { list-style:none }
a { color:var(--blue); text-decoration:none; transition:color var(--t) }
a:hover { color:var(--blue-h) }
button { cursor:pointer; font-family:inherit }
.screen-reader-text {
  border:0; clip:rect(1px,1px,1px,1px); clip-path:inset(50%);
  height:1px; margin:-1px; overflow:hidden; padding:0; position:absolute; width:1px;
}
.container { max-width:var(--max-w); margin:0 auto; padding:0 24px }

/* ============================================================
   HEADER — ネイビー固定
   ============================================================ */
#masthead,
.site-header {
  position: sticky !important;
  top: 0 !important;
  z-index: 200 !important;
  height: var(--hh) !important;
  background-color: #1a2744 !important;
  background-image: linear-gradient(135deg,#1a2744 0%,#1e3266 100%) !important;
  box-shadow: 0 2px 20px rgba(0,0,0,.22) !important;
  border-bottom: 1px solid rgba(255,255,255,.07) !important;
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  /* padding 左右を少し狭め、ナビアイテムが入るスペースを確保 */
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: relative;
}

/* ロゴ — 最小幅を確保しつつ縮小可能にする */
.header-logo {
  flex: 0 1 auto;   /* shrink 可 */
  min-width: 0;
  display: flex;
  align-items: center;
}
.header-logo .custom-logo-link,
.header-logo > a { display:flex; align-items:center }
.header-logo .custom-logo {
  height: 40px;
  width: auto;
  max-width: 200px;   /* ロゴ幅上限を絞る */
  object-fit: contain;
}
.site-title-link {
  color: #fff !important;
  font-size: .95rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

/* ナビ — 縮小しない・アイテムが詰まっても表示 */
.site-nav { flex: 0 0 auto; display:flex; align-items:center }
.nav-menu { display:flex; align-items:center; gap:0 }
.nav-menu li a {
  display: block;
  color: #fff !important;
  /* ナビが多くても全て入るようパディングを絞る */
  font-size: .80rem;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 5px;
  white-space: nowrap;
  letter-spacing: .01em;
  transition: background var(--t);
}
.nav-menu li a:hover,
.nav-menu li.current-menu-item > a { background: rgba(255,255,255,.14) }

/* ハンバーガー */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px; height: 38px; padding: 7px;
  background: none; border: none; border-radius: 5px;
  transition: background var(--t);
}
.menu-toggle:hover { background: rgba(255,255,255,.1) }
.menu-toggle-bar {
  display: block; width: 100%; height: 2px;
  background: #fff; border-radius: 2px;
  transform-origin: center;
  transition: transform .2s, opacity .15s;
}
.menu-toggle.is-active .menu-toggle-bar:nth-child(1) { transform:translateY(7px) rotate(45deg) }
.menu-toggle.is-active .menu-toggle-bar:nth-child(2) { opacity:0; transform:scaleX(0) }
.menu-toggle.is-active .menu-toggle-bar:nth-child(3) { transform:translateY(-7px) rotate(-45deg) }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  background-color: #1a2744;
  background-image: linear-gradient(135deg,#1a2744 0%,#1e3266 50%,#1a3a7c 100%);
  color: #fff;
  padding: 56px 24px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content:''; position:absolute; inset:0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner { position:relative; max-width:720px; margin:0 auto }
.hero-eyebrow {
  display:inline-block;
  background:rgba(255,255,255,.12); color:rgba(255,255,255,.85);
  font-size:.72rem; font-weight:700;
  padding:4px 14px; border-radius:100px;
  letter-spacing:.08em; margin-bottom:16px;
}
.hero-title {
  font-size: clamp(1.4rem,3vw,2.05rem);
  font-weight: 900; line-height: 1.5; margin-bottom: 14px;
}
.hero-desc {
  font-size:.95rem; color:rgba(255,255,255,.76);
  line-height:1.8; max-width:540px; margin:0 auto 26px;
}
.hero-actions { display:flex; justify-content:center; gap:12px; flex-wrap:wrap }
.hero-btn-primary {
  display:inline-flex; align-items:center;
  background:var(--blue); color:#fff !important;
  font-size:.88rem; font-weight:700;
  padding:11px 26px; border-radius:var(--r);
  box-shadow:0 4px 14px rgba(37,99,235,.35);
  transition:background var(--t),transform var(--t);
}
.hero-btn-primary:hover { background:var(--blue-h); transform:translateY(-2px) }
.hero-btn-secondary {
  display:inline-flex; align-items:center;
  background:rgba(255,255,255,.1); color:rgba(255,255,255,.88) !important;
  font-size:.88rem; font-weight:700;
  padding:11px 26px; border-radius:var(--r);
  border:1px solid rgba(255,255,255,.2);
  transition:background var(--t);
}
.hero-btn-secondary:hover { background:rgba(255,255,255,.18); color:#fff !important }

/* ============================================================
   SITE CONTENT & PAGE TOP PADDING
   ヘッダーと最初のコンテンツが被らないよう site-content に
   padding-top を確保する（ヒーローがある場合は hero が吸収）
   ============================================================ */
.site-content {
  min-height: calc(100vh - var(--hh) - 200px);
}
/* ヒーローなし（archive / single / page）のとき container に余白 */
.container.with-padding,
.content-wrap-outer {
  padding-top: 44px;
  padding-bottom: 64px;
}
/* ヒーローありトップページの #posts コンテナ */
#posts.container {
  padding-top: 40px;
  padding-bottom: 64px;
}
/* archive.php, search.php は .archive-container クラスで区別 */
.archive-container {
  padding-top: 44px;
  padding-bottom: 64px;
}

/* ============================================================
   INDEX / ARCHIVE LAYOUT — メイン（3列）＋ 右サイドバー
   ============================================================ */
.index-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  gap: 32px;
  align-items: start;
}
.index-main  { min-width: 0 }
.index-sidebar {
  position: sticky;
  top: calc(var(--hh) + 16px);
  display: flex; flex-direction: column; gap: 20px;
}

/* ============================================================
   POSTS GRID — 3列・gap 20px
   ============================================================ */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;   /* ← 指定通り 20px */
  margin-bottom: 36px;
}
.posts-grid--related {
  grid-template-columns: repeat(3,1fr);
  gap: 16px; margin-bottom: 0;
}

/* ============================================================
   POST CARD — コンパクト・角丸 8px・サムネイル 220px
   ============================================================ */
.post-card {
  background: var(--white);
  border-radius: var(--r);   /* 8px */
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .30s cubic-bezier(.34,1.28,.64,1), box-shadow .26s ease;
  display: flex; flex-direction: column;
  position: relative;
}
.post-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--blue),#60a5fa);
  opacity:0; transition:opacity var(--t); z-index:1;
}
.post-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(37,99,235,.15), 0 3px 8px rgba(0,0,0,.05);
}
.post-card:hover::before { opacity:1 }

/* サムネイル — 220px 統一 */
.card-thumbnail-link { display:block; overflow:hidden }
.card-thumbnail {
  height: 220px;           /* ← 220px */
  overflow: hidden;
  background: var(--gray-100);
}
.card-thumbnail img {
  width:100%; height:100%; object-fit:cover;
  transition: transform .38s cubic-bezier(.4,0,.2,1);
}
.post-card:hover .card-thumbnail img { transform:scale(1.05) }
.no-thumbnail {
  width:100%; height:100%;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,#dbeafe 0%,#ede9fe 100%);
  font-size:2rem;
}

/* カードBody — コンパクト */
.card-body {
  padding: 12px 14px 16px;  /* 小さめパディング */
  flex: 1;
  display: flex; flex-direction: column; gap: 7px;
}

.card-meta { display:flex; align-items:center; gap:6px; flex-wrap:wrap }
.card-category {
  display:inline-flex; align-items:center;
  background:var(--blue); color:#fff;
  font-size:.63rem; font-weight:700;
  padding:2px 8px; border-radius:100px;
  letter-spacing:.05em; white-space:nowrap;
  transition:background var(--t);
}
.card-category:hover { background:var(--blue-h); color:#fff }
.card-date { font-size:.68rem; color:var(--text-light) }

/* タイトル — 2行クランプ */
.card-title {
  font-size: .86rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-title a { color:inherit }
.card-title a:hover { color:var(--blue) }

/* 抜粋 — 2-3行クランプ */
.card-excerpt {
  font-size: .74rem;
  color: var(--text-light);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

/* 続きを読む ボタン */
.card-readmore {
  display:inline-flex; align-items:center; gap:5px;
  background:var(--blue); color:#fff !important;
  font-size:.70rem; font-weight:700;
  padding:5px 12px; border-radius:var(--r-sm);
  align-self:flex-start; margin-top:4px;
  box-shadow:0 2px 6px rgba(37,99,235,.18);
  transition:background var(--t),transform var(--t);
}
.card-readmore:hover { background:var(--blue-h); transform:translateY(-1px) }
.card-readmore-arrow { transition:transform var(--t) }
.card-readmore:hover .card-readmore-arrow { transform:translateX(3px) }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display:flex; justify-content:center; align-items:center;
  gap:5px; flex-wrap:wrap;
}
.pagination span,.pagination a {
  display:inline-flex; align-items:center; justify-content:center;
  min-width:38px; height:38px; padding:0 9px;
  border-radius:var(--r); font-size:.84rem; font-weight:700;
  background:var(--white); color:var(--text);
  box-shadow:0 1px 4px rgba(0,0,0,.07);
  transition:background var(--t),color var(--t),transform var(--t);
}
.pagination a:hover { background:var(--blue); color:#fff; transform:translateY(-1px) }
.pagination .current { background:var(--navy); color:#fff; box-shadow:none }
.pagination .dots { background:none; box-shadow:none; color:var(--text-light) }

/* ============================================================
   ARCHIVE HEADER
   ============================================================ */
.archive-header { margin-bottom:24px; padding-bottom:16px; border-bottom:2px solid var(--gray-200) }
.archive-title { font-size:1.35rem; font-weight:700; color:var(--text); display:flex; align-items:center; gap:10px; flex-wrap:wrap }
.archive-label { font-size:.68rem; font-weight:700; background:var(--blue); color:#fff; padding:2px 10px; border-radius:100px; letter-spacing:.06em }
.archive-description { margin-top:8px; font-size:.88rem; color:var(--text-light); line-height:1.7 }

/* ============================================================
   INDEX SIDEBAR
   ============================================================ */
.index-sidebar .widget,
.index-sidebar .profile-widget {
  background:var(--white); border-radius:var(--r);
  padding:16px 18px; box-shadow:var(--shadow);
}
.index-sidebar .widget-title {
  font-size:.82rem; font-weight:700; color:var(--navy);
  border-bottom:2px solid var(--blue); padding-bottom:8px; margin-bottom:12px;
}
.recent-posts-list { display:flex; flex-direction:column; gap:9px }
.recent-post-item {
  display:flex; align-items:flex-start; gap:9px;
  padding-bottom:9px; border-bottom:1px solid var(--gray-100);
}
.recent-post-item:last-child { border-bottom:none; padding-bottom:0 }
.recent-post-thumb { flex-shrink:0 }
.recent-post-thumb img { width:48px; height:48px; object-fit:cover; border-radius:5px }
.recent-post-info { display:flex; flex-direction:column; gap:2px; min-width:0 }
.recent-post-title {
  font-size:.74rem; font-weight:700; color:var(--text); line-height:1.42;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.recent-post-title:hover { color:var(--blue) }
.recent-post-date { font-size:.65rem; color:var(--text-light) }
.index-sidebar .widget ul { list-style:none; padding:0 }
.index-sidebar .widget ul li { padding:5px 0; border-bottom:1px solid var(--gray-100); font-size:.78rem }
.index-sidebar .widget ul li:last-child { border-bottom:none }
.index-sidebar .widget ul li a { color:var(--text); display:flex; justify-content:space-between }
.index-sidebar .widget ul li a:hover { color:var(--blue) }

/* プロフィールウィジェット */
.profile-widget {
  background:var(--white); border-radius:var(--r); padding:18px; box-shadow:var(--shadow);
  display:flex; flex-direction:column; align-items:center; text-align:center; gap:10px;
}
.profile-avatar-img { width:64px; height:64px; border-radius:50%; object-fit:cover; border:3px solid var(--blue-light); display:block; margin:0 auto }
.profile-info { display:flex; flex-direction:column; gap:6px }
.profile-name { font-size:.88rem; font-weight:700; color:var(--text) }
.profile-bio { font-size:.72rem; color:var(--text-light); line-height:1.7 }
.profile-link { font-size:.72rem; font-weight:700; color:var(--blue) }
.profile-link:hover { color:var(--blue-h) }

/* ============================================================
   SINGLE POST
   ============================================================ */
.content-wrap { display:grid; grid-template-columns:1fr 260px; gap:28px; align-items:start }
.site-main { min-width:0 }
.post-featured-image { border-radius:var(--r) var(--r) 0 0; overflow:hidden; aspect-ratio:16/9 }
.post-featured-image img { width:100%; height:100%; object-fit:cover }
.post-article { background:var(--white); border-radius:var(--r); overflow:hidden; box-shadow:var(--shadow) }
.post-article .post-featured-image { border-radius:0 }
.post-header { padding:28px 32px 20px; border-bottom:1px solid var(--gray-200) }
.post-meta { display:flex; align-items:center; gap:9px; margin-bottom:11px; flex-wrap:wrap }
.post-title { font-size:1.5rem; font-weight:700; line-height:1.45; color:var(--text) }
.entry-content { padding:28px 32px 36px; line-height:1.9; font-size:1rem; overflow-wrap:break-word; word-break:break-word }
.entry-content>*:first-child { margin-top:0 }
.entry-content p { margin-bottom:1.4em }
.entry-content h2 { font-size:1.2rem; font-weight:700; color:var(--navy); background:var(--blue-pale); border-left:4px solid var(--blue); padding:10px 16px; margin:2.4em 0 1.1em; border-radius:0 var(--r) var(--r) 0 }
.entry-content h3 { font-size:1.05rem; font-weight:700; color:var(--text); border-left:3px solid var(--blue); padding:5px 11px; margin:1.8em 0 .9em }
.entry-content h4 { font-size:1rem; font-weight:700; margin:1.5em 0 .7em }
.entry-content ul,.entry-content ol { padding-left:1.8em; margin-bottom:1.4em }
.entry-content ul { list-style:disc } .entry-content ol { list-style:decimal }
.entry-content li { margin-bottom:.4em }
.entry-content blockquote { border-left:4px solid var(--blue); background:var(--blue-light); padding:13px 18px; border-radius:0 var(--r) var(--r) 0; margin:1.5em 0; color:var(--text-light) }
.entry-content figure { margin:1.4em 0 }
.entry-content img { border-radius:var(--r) }
.entry-content figcaption { margin-top:5px; font-size:.78rem; color:var(--text-light); text-align:center }
.entry-content a { text-decoration:underline; text-underline-offset:2px }
.entry-content code { font-family:'SFMono-Regular',Menlo,Monaco,Consolas,monospace; background:var(--gray-100); border:1px solid var(--gray-200); padding:1px 6px; border-radius:4px; font-size:.875em; color:#e53e3e }
.entry-content pre { background:#1e2d3d; padding:20px 22px; border-radius:var(--r); overflow-x:auto; margin:1.5em 0; font-size:.875em; line-height:1.6 }
.entry-content pre code { background:none; border:none; padding:0; color:#e2e8f0; font-size:1em }
.entry-content table { width:100%; border-collapse:collapse; margin:1.5em 0; font-size:.9rem }
.entry-content th,.entry-content td { padding:9px 12px; border:1px solid var(--gray-200) }
.entry-content th { background:var(--gray-100); font-weight:700 }
.entry-content tr:nth-child(even) td { background:var(--gray-50) }
.post-tags { padding:16px 32px; border-top:1px solid var(--gray-200); display:flex; gap:7px; flex-wrap:wrap }
.post-tag { display:inline-block; background:var(--gray-100); color:var(--text-light); font-size:.73rem; padding:3px 11px; border-radius:100px; border:1px solid var(--gray-200); transition:background var(--t),color var(--t),border-color var(--t) }
.post-tag:hover { background:var(--blue); color:#fff; border-color:var(--blue) }
.post-navigation { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:20px }
.post-nav-item { display:flex; flex-direction:column; gap:5px; background:var(--white); border-radius:var(--r); padding:14px 16px; box-shadow:var(--shadow); color:var(--text); min-width:0; transition:transform var(--t),box-shadow var(--t) }
.post-nav-item:hover { transform:translateY(-2px); box-shadow:var(--shadow-h); color:var(--text) }
.post-nav-next { text-align:right }
.post-nav-label { font-size:.68rem; font-weight:700; color:var(--blue); letter-spacing:.06em }
.post-nav-title { font-size:.82rem; font-weight:700; line-height:1.4; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden }
.related-posts { margin-top:20px }
.related-posts-title { font-size:.98rem; font-weight:700; color:var(--text); margin-bottom:16px; padding-left:11px; border-left:4px solid var(--blue) }

/* ============================================================
   SINGLE SIDEBAR
   ============================================================ */
.sidebar { position:sticky; top:calc(var(--hh) + 16px); display:flex; flex-direction:column; gap:20px }
.widget { background:var(--white); border-radius:var(--r); padding:18px; box-shadow:var(--shadow) }
.widget-title { font-size:.84rem; font-weight:700; color:var(--navy); border-bottom:2px solid var(--blue); padding-bottom:8px; margin-bottom:13px; letter-spacing:.04em }
.widget ul { list-style:none; padding:0 }
.widget ul li { padding:6px 0; border-bottom:1px solid var(--gray-100); font-size:.84rem }
.widget ul li:last-child { border-bottom:none }
.widget ul li a { color:var(--text) }
.widget ul li a:hover { color:var(--blue) }
.search-form { display:flex; gap:7px }
.search-field { flex:1; min-width:0; padding:8px 11px; border:1.5px solid var(--gray-200); border-radius:var(--r); font-size:.84rem; font-family:inherit; color:var(--text); background:var(--white); outline:none; transition:border-color .2s }
.search-field:focus { border-color:var(--blue) }
.search-submit { padding:8px 12px; background:var(--blue); color:#fff; border:none; border-radius:var(--r); font-size:.78rem; font-weight:700; white-space:nowrap; transition:background .2s }
.search-submit:hover { background:var(--blue-h) }

/* ============================================================
   FOOTER — ネイビー・白文字
   ============================================================ */
#colophon,.site-footer {
  background-color: #111d35 !important;
  color: rgba(255,255,255,.65) !important;
  padding: 48px 0 24px !important;
  margin-top: 0 !important;
  border-top: 3px solid var(--blue) !important;
}
.footer-inner { max-width:var(--max-w); margin:0 auto; padding:0 24px }
.footer-widgets { display:grid; grid-template-columns:repeat(3,1fr); gap:32px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,.08); margin-bottom:22px }
.footer-widget-title { font-size:.78rem; font-weight:700; color:rgba(255,255,255,.9); margin-bottom:11px; padding-bottom:8px; border-bottom:1px solid rgba(255,255,255,.1); letter-spacing:.06em }
.footer-widget ul { list-style:none; padding:0 }
.footer-widget ul li { padding:4px 0; font-size:.78rem }
.footer-widget a { color:rgba(255,255,255,.55) !important; font-size:.78rem }
.footer-widget a:hover { color:rgba(255,255,255,.88) !important }
.footer-bottom { display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap }
.footer-logo .custom-logo { height:26px; width:auto; opacity:.65 }
.footer-site-name { color:rgba(255,255,255,.5); font-weight:700; font-size:.8rem }
.footer-nav .footer-nav-menu { display:flex; gap:2px; list-style:none }
.footer-nav .footer-nav-menu a { color:rgba(255,255,255,.42) !important; font-size:.72rem; padding:3px 8px; border-radius:4px; transition:background var(--t),color var(--t) }
.footer-nav .footer-nav-menu a:hover { background:rgba(255,255,255,.06); color:rgba(255,255,255,.8) !important }
.copyright { font-size:.70rem; color:rgba(255,255,255,.28); letter-spacing:.04em }

/* ============================================================
   404 / UTILS
   ============================================================ */
.not-found-wrap { text-align:center; padding:80px 24px; background:var(--white); border-radius:var(--r); box-shadow:var(--shadow); max-width:520px; margin:44px auto }
.not-found-code { font-size:4.5rem; font-weight:900; color:var(--blue); line-height:1; margin-bottom:14px }
.not-found-title { font-size:1.2rem; font-weight:700; margin-bottom:12px }
.not-found-text { font-size:.88rem; color:var(--text-light); line-height:1.8; margin-bottom:24px }
.btn-primary { display:inline-flex; align-items:center; gap:5px; padding:10px 24px; background:var(--blue); color:#fff !important; font-weight:700; font-size:.88rem; border-radius:var(--r); transition:background var(--t),transform var(--t) }
.btn-primary:hover { background:var(--blue-h); transform:translateY(-1px) }
.no-results { background:var(--white); border-radius:var(--r); padding:32px; box-shadow:var(--shadow); text-align:center; color:var(--text-light) }
.no-results p { margin-bottom:16px }
.wp-block-image img { border-radius:var(--r) }
.wp-block-quote { border-left:4px solid var(--blue) !important; background:var(--blue-light); padding:13px 18px !important; border-radius:0 var(--r) var(--r) 0 }
.wp-block-button__link { background:var(--blue) !important; border-radius:var(--r) !important; font-weight:700 !important }
.wp-block-button__link:hover { background:var(--blue-h) !important }

/* ============================================================
   RESPONSIVE — Tablet (≤1024px)
   ============================================================ */
@media(max-width:1024px) {
  .index-layout { grid-template-columns:1fr 220px; gap:20px }
  .posts-grid { grid-template-columns:repeat(2,1fr); gap:16px }
  .posts-grid--related { grid-template-columns:repeat(2,1fr) }
  .content-wrap { grid-template-columns:1fr }
  .sidebar,.index-sidebar { position:static }
  .footer-widgets { grid-template-columns:repeat(2,1fr); gap:20px }
  .post-navigation { grid-template-columns:1fr }
  .post-nav-next { text-align:left }
}

/* ============================================================
   RESPONSIVE — Mobile (≤767px)
   ============================================================ */
@media(max-width:767px) {
  :root { --hh:56px; --sidebar-w:0px }
  .container { padding:0 14px }
  .menu-toggle { display:flex }
  .nav-menu {
    display:none; position:absolute; top:var(--hh); left:0; right:0;
    background:#111d35; flex-direction:column; align-items:stretch; gap:0;
    padding:8px 0 16px; box-shadow:0 10px 30px rgba(0,0,0,.3);
  }
  .nav-menu.is-open { display:flex }
  .nav-menu li a { padding:12px 22px; border-radius:0; font-size:.9rem }
  .hero-section { padding:38px 16px 42px }
  .hero-title { font-size:1.3rem }
  .index-layout { grid-template-columns:1fr; gap:28px }
  .index-sidebar { position:static }
  .posts-grid,.posts-grid--related { grid-template-columns:1fr; gap:14px }
  .card-thumbnail { height:180px }  /* モバイルは少し低めに */
  .post-header { padding:18px 16px 14px }
  .post-title { font-size:1.15rem }
  .entry-content { padding:18px 16px 24px }
  .entry-content h2 { font-size:1.05rem }
  .post-tags { padding:13px 16px }
  .post-article { border-radius:0 }
  .post-navigation { gap:10px }
  .content-wrap { gap:20px }
  .footer-widgets { grid-template-columns:1fr; gap:18px }
  .footer-bottom { flex-direction:column; text-align:center; gap:10px }
  .footer-nav .footer-nav-menu { flex-wrap:wrap; justify-content:center }
  .header-inner { position:relative }
  #posts.container { padding-top:28px }
  .archive-container { padding-top:28px }
}
@media(max-width:480px) {
  .posts-grid { gap:10px }
  .card-body { padding:10px 12px 14px }
}