/* ================================================================
   single.css — 個別記事ページ
================================================================ */

.single-sec {
  padding: 64px 0;
}
.single-sec-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── メタ情報 ── */
.single-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.single-date {
  font-size: 14px;
  color: var(--gray-600);
}

/* ── タイトル ── */
.single-title {
  font-size: 24px;
  font-weight: 900;
  color: var(--ink);
  line-height: 1.6;
  margin: 0 0 32px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--green);
}

/* ── 本文 ── */
.single-body {
  font-size: 15px;
  color: var(--ink);
  line-height: 2;
  margin-bottom: 40px;
}
.single-body p {
  margin-bottom: 20px;
}
.single-body img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}
.single-body a {
  color: var(--green);
  text-decoration: underline;
}

/* ── アイキャッチ ── */
.single-thumbnail {
  margin-bottom: 32px;
}
.single-thumbnail img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

/* ── 戻るボタン ── */
.single-back {
  text-align: center;
  padding-top: 20px;
}
.single-back-btn {
  display: inline-block;
  padding: 14px 48px;
  font-size: 15px;
  font-weight: 700;
  color: var(--green);
  text-decoration: none;
  border: 2px solid var(--green);
  border-radius: 40px;
  transition: background 0.2s ease, color 0.2s ease;
}
.single-back-btn:hover {
  background: var(--green);
  color: var(--white);
}

/* ── レスポンシブ ── */
@media (max-width: 900px) {
  .single-sec {
    padding: 40px 0;
  }
  .single-sec-inner {
    padding: 0 16px;
  }
  .single-title {
    font-size: 20px;
    margin-bottom: 24px;
  }
  .single-body {
    font-size: 14px;
  }
  .single-back-btn {
    font-size: 14px;
    padding: 12px 32px;
  }
}