.term-description {
  max-height: 4.5em; /* 約3行程度。適宜調整 */
  overflow: hidden;
  transition: max-height 0.3s ease;
  position: relative;
}

.term-description.expanded {
  max-height: 1000px; /* 展開時 */
}

.toggle-button {
  margin-top: 0.5em;
  background: none;
  border: none;
  color: #333;
  cursor: pointer;
  font-weight: bold;
	display: inline-block;
	padding: 0;
	text-align: center;
    width: 100%;
    margin: 10px 0;
}