.news-more {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition:
    max-height 0.6s ease,
    opacity 0.4s ease;
}
.news-more.is-open {
  max-height: 6000px;
  opacity: 1;
}
/* View more */
.viewmore-wrap {
  text-align: center;
  margin-top: 30px;
}
.viewmore-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 36px;
  font-size: 14px;
  letter-spacing: .05em;
  background: #000;
  color: #fff;
  border: none;
  cursor: pointer;
  transition: opacity .3s ease;
}
.viewmore-btn:hover {
  opacity: .7;
}
.viewmore-btn .icon {
  font-size: 18px;
  line-height: 1;
  transition: transform .3s ease;
}
/* 開いた状態 */
.viewmore-btn.is-open .icon {
  transform: rotate(90deg);
}