/* ========== レイアウト ========== */
.single main > .container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
  box-sizing: border-box;
}

/* ========== タイトル ========== */
.post-title {
  font-size: 2.4rem;
  font-weight: bold;
  color: var(--color-text);
  text-align: left;
  margin: 3rem 0 2rem;
}

/* ========== 本文 ========== */
.post-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.post-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 2rem 0;
}

.post-content h2,
.post-content h3,
.post-content h4 {
  margin-top: 2.5rem;
  margin-bottom: 1.2rem;
  color: var(--color-primary);
  font-weight: bold;
}

.post-content p {
  margin-bottom: 1.5rem;
}

/* ========== レスポンシブ対応 ========== */
@media (max-width: 768px) {
  .single main > .container {
    padding: 0 1rem; /* ← 統一済み */
  }

  .post-title {
    font-size: 1.6rem;
  }
}