/* ════════════════════════════════
   Lunaria: 関連記事ブロック
   ════════════════════════════════ */

.pb-related-posts {
  box-sizing: border-box;
  padding: 48px 0;
}

/* 見出し */
.pb-related__heading-wrap {
  text-align: center;
  margin-bottom: 36px;
}
.pb-related__heading {
  font-family: var(--pb-font-serif, serif);
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 600;
  color: var(--pb-text, #332518);
  letter-spacing: .06em;
  display: inline-flex;
  align-items: center;
  gap: 16px;
}
.pb-related__heading::before,
.pb-related__heading::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--pb-taupe, #C9B99A);
}

/* 共通 */
.pb-related__link {
  text-decoration: none;
  color: inherit;
  display: block;
}
.pb-related__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.pb-related__link:hover .pb-related__thumb img {
  transform: scale(1.04);
}
.pb-related__no-thumb {
  width: 100%;
  height: 100%;
  background: var(--pb-sand, #EDE4D5);
}
.pb-related__cat {
  display: inline-block;
  font-family: var(--pb-font-sans, sans-serif);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--pb-accent, #C07A52);
  margin-bottom: 6px;
}
.pb-related__title {
  font-family: var(--pb-font-serif, serif);
  font-size: clamp(13px, 1.6vw, 16px);
  font-weight: 600;
  color: var(--pb-text, #332518);
  line-height: 1.6;
  margin: 0 0 6px;
}
.pb-related__excerpt {
  font-family: var(--pb-font-sans, sans-serif);
  font-size: 12px;
  color: var(--pb-text-sub, #7A6550);
  line-height: 1.7;
  margin: 0 0 6px;
}
.pb-related__date {
  font-family: var(--pb-font-sans, sans-serif);
  font-size: 11px;
  color: var(--pb-taupe, #C9B99A);
  letter-spacing: .06em;
}

/* ════════════════════════════════
   A. カードグリッド型
   ════════════════════════════════ */
.pb-related--card-grid .pb-related__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pb-related--card-grid .pb-related__item {
  background: var(--pb-warm-white, #FFFEFB);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(60,30,10,.07);
  transition: box-shadow .3s, transform .3s;
}
.pb-related--card-grid .pb-related__item:hover {
  box-shadow: 0 6px 24px rgba(60,30,10,.12);
  transform: translateY(-3px);
}
.pb-related--card-grid .pb-related__thumb {
  aspect-ratio: 3/2;
  overflow: hidden;
}
.pb-related--card-grid .pb-related__body {
  padding: 16px;
}

/* ════════════════════════════════
   B. 横長リスト型
   ════════════════════════════════ */
.pb-related--list .pb-related__inner {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--pb-sand, #EDE4D5);
  border: 1px solid var(--pb-sand, #EDE4D5);
  border-radius: 4px;
  overflow: hidden;
}
.pb-related--list .pb-related__item {
  background: var(--pb-warm-white, #FFFEFB);
}
.pb-related--list .pb-related__link {
  display: flex;
  gap: 20px;
  padding: 20px;
  transition: background .2s;
}
.pb-related--list .pb-related__link:hover {
  background: var(--pb-cream, #FAF7F2);
}
.pb-related--list .pb-related__thumb {
  flex-shrink: 0;
  width: 120px;
  height: 80px;
  overflow: hidden;
  border-radius: 3px;
}
.pb-related--list .pb-related__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ════════════════════════════════
   C. マガジン型
   ════════════════════════════════ */
.pb-related--magazine .pb-related__inner {
  display: grid;
  gap: 16px;
}
.pb-related--magazine .pb-related__inner {
  grid-template-columns: 1fr;
}
.pb-related--magazine .pb-related__item:first-child {
  grid-column: 1 / -1;
}
@media (min-width: 640px) {
  .pb-related--magazine .pb-related__inner {
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: auto auto;
  }
  .pb-related--magazine .pb-related__item:first-child {
    grid-row: 1 / 3;
  }
}
.pb-related--magazine .pb-related__item {
  overflow: hidden;
  border-radius: 4px;
  position: relative;
}
.pb-related--magazine .pb-related__link {
  position: relative;
}
.pb-related--magazine .pb-related__thumb {
  aspect-ratio: 3/2;
  overflow: hidden;
}
.pb-related--magazine .pb-related__item:first-child .pb-related__thumb {
  aspect-ratio: 4/3;
}
.pb-related--magazine .pb-related__body {
  padding: 12px;
  background: var(--pb-warm-white, #FFFEFB);
}

/* ════════════════════════════════
   D. ポラロイドカード型
   ════════════════════════════════ */
.pb-related--polaroid .pb-related__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 24px;
  padding: 16px 8px;
}
.pb-related--polaroid .pb-related__item:nth-child(odd) {
  transform: rotate(-1.5deg);
}
.pb-related--polaroid .pb-related__item:nth-child(even) {
  transform: rotate(1.2deg);
}
.pb-related--polaroid .pb-related__item {
  transition: transform .3s ease, box-shadow .3s ease;
}
.pb-related--polaroid .pb-related__item:hover {
  transform: rotate(0deg) scale(1.03) !important;
  z-index: 2;
}
.pb-related--polaroid .pb-related__polaroid-frame {
  background: #fff;
  padding: 10px 10px 36px;
  box-shadow: 0 4px 20px rgba(60,30,10,.14), 0 1px 4px rgba(60,30,10,.08);
}
.pb-related--polaroid .pb-related__thumb {
  aspect-ratio: 1/1;
  overflow: hidden;
}
.pb-related--polaroid .pb-related__body {
  padding: 12px 4px 0;
  text-align: center;
}
.pb-related--polaroid .pb-related__title {
  font-size: 12px;
  font-weight: 600;
}
.pb-related--polaroid .pb-related__date {
  font-size: 10px;
}

/* ════════════════════════════════
   E. 横長サムネイル型
   ════════════════════════════════ */
.pb-related--thumb-list .pb-related__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.pb-related--thumb-list .pb-related__item {
  border-bottom: 1px solid var(--pb-sand, #EDE4D5);
  padding-bottom: 20px;
}
.pb-related--thumb-list .pb-related__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.pb-related--thumb-list .pb-related__link {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.pb-related--thumb-list .pb-related__link:hover .pb-related__title {
  color: var(--pb-accent, #C07A52);
}
.pb-related--thumb-list .pb-related__thumb {
  flex-shrink: 0;
  width: 160px;
  height: 107px;
  overflow: hidden;
  border-radius: 3px;
}
.pb-related--thumb-list .pb-related__body {
  flex: 1;
  min-width: 0;
}
.pb-related--thumb-list .pb-related__title {
  font-size: clamp(14px, 1.8vw, 17px);
  transition: color .2s;
}
.pb-related--thumb-list .pb-related__excerpt {
  font-size: 13px;
  margin-top: 8px;
}

/* ════════════════════════════════
   F. シネマティック型
   ════════════════════════════════ */
.pb-related--cinematic .pb-related__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
}
.pb-related--cinematic .pb-related__item {
  position: relative;
  overflow: hidden;
}
.pb-related--cinematic .pb-related__thumb {
  aspect-ratio: 2/3;
  overflow: hidden;
}
.pb-related--cinematic .pb-related__body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 16px 16px;
  background: linear-gradient(to top, rgba(30,15,5,.75) 0%, transparent 100%);
  transform: translateY(8px);
  opacity: 0;
  transition: opacity .35s, transform .35s;
}
.pb-related--cinematic .pb-related__item:hover .pb-related__body {
  opacity: 1;
  transform: translateY(0);
}
.pb-related--cinematic .pb-related__cat {
  color: var(--pb-taupe, #C9B99A);
}
.pb-related--cinematic .pb-related__title {
  color: #fff;
  font-size: 13px;
}
.pb-related--cinematic .pb-related__date {
  color: rgba(255,255,255,.6);
}

/* ════════════════════════════════
   レスポンシブ
   ════════════════════════════════ */
@media (max-width: 768px) {
  .pb-related--card-grid .pb-related__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .pb-related--polaroid .pb-related__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 16px;
  }
  .pb-related--cinematic .pb-related__inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .pb-related--cinematic .pb-related__body {
    opacity: 1;
    transform: translateY(0);
  }
  .pb-related--list .pb-related__thumb {
    width: 90px;
    height: 60px;
  }
  .pb-related--thumb-list .pb-related__thumb {
    width: 110px;
    height: 73px;
  }
}

@media (max-width: 480px) {
  .pb-related--card-grid .pb-related__inner,
  .pb-related--polaroid .pb-related__inner,
  .pb-related--cinematic .pb-related__inner {
    grid-template-columns: 1fr;
  }
  .pb-related--polaroid .pb-related__item:nth-child(odd),
  .pb-related--polaroid .pb-related__item:nth-child(even) {
    transform: none;
  }
  .pb-related--list .pb-related__link,
  .pb-related--thumb-list .pb-related__link {
    gap: 14px;
  }
}

/* ════════════════════════════════
   エディター
   ════════════════════════════════ */
.pb-related-editor-wrap {
  border: 1px dashed #c4b8a8;
  border-radius: 4px;
  padding: 20px;
  background: #faf7f2;
}
.pb-related-editor-header {
  display: flex;
  align-items: center;
  font-size: 13px;
  color: #332518;
}