.main-section {
  display: flex;
  gap: 40px;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 20px;
}

.single-column-page {
  flex: 2;
}

.ranking-wrapper {
  flex: 1;
}

.entry-title {
  font-size: 2.5rem;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.entry-meta {
  font-size: 0.9rem;
  color: #888;
  margin-bottom: 2rem;
}

.entry-thumbnail {
  margin-bottom: 2rem;
}

.entry-content {
  line-height: 1.8;
  font-size: 1.1rem;
}

.entry-footer {
  margin-top: 3rem;
  border-top: 1px solid #ddd;
  padding-top: 1rem;
}

.tag-label {
  font-weight: bold;
}

.back-link {
  margin-top: 1rem;
}
/* ===== 前後記事ナビゲーション ===== */
.post-navigation {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  margin: 2rem 0;
  gap: 1rem;
}

.post-navigation a {
  display: block;
  padding: 0.75rem 1rem;
  background-color: #f7f7f7;
  border-radius: 6px;
  color: #333;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.post-navigation a:hover,
.post-navigation a:focus {
  background-color: #343434;
  color: #fff;
}

.post-navigation .nav-previous {
  flex: 1;
}

.post-navigation .nav-next {
  flex: 1;
  text-align: right;
}

/* スマホ対応 */
@media (max-width: 600px) {
  .post-navigation {
    flex-direction: column;
    align-items: stretch;
  }
  .post-navigation .nav-previous,
  .post-navigation .nav-next {
    text-align: left;
  }
}

#post-311 .entry-header{
  display: none;
}