.post_navi {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  padding: 20px 0;
  gap: 20px;
}

.post_navi-item {
  flex: 1;
  padding: 1em;
  background: #f4f4f4;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: background 0.3s ease;
}

.post_navi-item:hover {
  background: #e2e2e2;
}

.post_navi-label {
  font-size: 0.9em;
  font-weight: bold;
  color: #555;
  margin-bottom: 5px;
}

.post_navi-title {
  font-size: 1em;
  line-height: 1.4;
  color: #000;
}