/* =============================================================
   通常投稿（single.php）専用スタイル
   docs/DESIGN.md のトークンに準拠
   ※ body.single-post 配下に限定し、survey.css 側と衝突しないようにする
============================================================= */

/* =============================================================
   ヒーロー
============================================================= */
body.single-post .single-hero {
  background: var(--content-bg, #FDF5F0);
  padding: 48px 0 40px;
  border-bottom: 1px solid var(--content-border, #E8D8CE);
}
body.single-post .single-hero__cats { margin-bottom: 12px; }
body.single-post .single-hero__cat {
  display: inline-block;
  background: var(--content-accent, #F7C948);
  color: var(--content-dark, #3D2B1F);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 1000px;
  text-decoration: none;
  margin-right: 4px;
}
body.single-post .single-hero__title {
  font-size: clamp(22px, 3.5vw, 34px);
  font-weight: 800;
  color: var(--content-dark, #3D2B1F);
  line-height: 1.4;
  margin: 0 0 20px;
}
body.single-post .single-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}
body.single-post .single-hero__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: #6b5040;
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
}
body.single-post .single-hero__meta-item svg { color: var(--content-primary, #f2952c); flex-shrink: 0; }
body.single-post .single-hero__avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

/* =============================================================
   本文レイアウト
============================================================= */
body.single-post .single-content {
  padding: 48px 0 64px;
}
body.single-post .single-content__eyecatch {
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 32px;
}
body.single-post .single-content__eyecatch img {
  width: 100%;
  display: block;
}

/* タグ */
body.single-post .single-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--content-border, #E8D8CE);
}
body.single-post .single-tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 1000px;
  border: 1px solid var(--content-border, #E8D8CE);
  font-size: 13px;
  color: #6b5040;
  text-decoration: none;
  transition: all .2s;
}
body.single-post .single-tag:hover {
  background: var(--content-bg, #FDF5F0);
  border-color: var(--content-primary, #f2952c);
  color: var(--content-primary, #f2952c);
}

/* 著者ボックス */
body.single-post .single-author {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-top: 40px;
  padding: 24px;
  background: var(--content-bg, #FDF5F0);
  border-radius: 12px;
  border: 1px solid var(--content-border, #E8D8CE);
}
body.single-post .single-author__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex-shrink: 0;
}
body.single-post .single-author__name {
  font-size: 14px;
  font-weight: 700;
  color: var(--content-dark, #3D2B1F);
  margin: 0 0 4px;
}
body.single-post .single-author__bio {
  font-size: 13px;
  color: #6b5040;
  line-height: 1.6;
  margin: 0;
}

/* 前後ナビ */
body.single-post .single-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 40px;
}
body.single-post .single-nav a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  background: var(--content-bg, #FDF5F0);
  border-radius: 12px;
  text-decoration: none;
  border: 1px solid var(--content-border, #E8D8CE);
  transition: box-shadow .2s;
}
body.single-post .single-nav a:hover { box-shadow: var(--shadow-card, 0 10px 15px -3px rgba(168,58,8,.08)); }
body.single-post .single-nav span { font-size: 12px; color: var(--content-primary, #f2952c); font-weight: 600; }
body.single-post .single-nav strong { font-size: 14px; color: var(--content-dark, #3D2B1F); line-height: 1.5; }
body.single-post .single-nav__next { text-align: right; }
body.single-post .single-nav__next a { align-items: flex-end; }

/* 関連記事 */
body.single-post .single-related {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--content-border, #E8D8CE);
}
body.single-post .single-related__title {
  font-size: 20px;
  font-weight: 800;
  color: var(--content-dark, #3D2B1F);
  margin: 0 0 24px;
}
body.single-post .single-related__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
body.single-post .single-related__item a {
  display: block;
  text-decoration: none;
  color: inherit;
}
body.single-post .single-related__thumb {
  aspect-ratio: 16/9;
  border-radius: 12px;
  overflow: hidden;
  background: var(--content-bg, #FDF5F0);
  margin-bottom: 10px;
}
body.single-post .single-related__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
body.single-post .single-related__item-title {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--content-dark, #3D2B1F);
}

/* 一覧へ戻る */
body.single-post .single-back-btn {
  display: inline-block;
  margin-top: 40px;
  padding: 12px 28px;
  border-radius: 1000px;
  border: 2px solid var(--content-primary, #f2952c);
  color: var(--content-primary, #f2952c);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: all .2s ease;
}
body.single-post .single-back-btn:hover {
  background: var(--content-primary, #f2952c);
  color: #fff;
}

/* =============================================================
   Responsive
============================================================= */
@media (max-width: 768px) {
  body.single-post .single-related__list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  body.single-post .single-nav { grid-template-columns: 1fr; }
  body.single-post .single-related__list { grid-template-columns: 1fr; }
  body.single-post .single-author { flex-direction: column; align-items: flex-start; }
}