.newsBox {
  background-color: #fff;
}
.newsBox li {
  padding: 2.5rem 4rem;
  border-bottom: 1px solid #f5f5f5;
}
.newsBox li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: opacity 0.3s ease;
}
.newsBox li a:hover {
  opacity: 0.7;
}
.newsBox li dl {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
  font-size: var(--fz18);
}
.newsBox li dl dt .date {
  color: var(--pointColor3);
  margin-right: 1rem;
}

.newsBox li dl dt .tag {
  color: var(--pointColor3);
  font-size: var(--fz14);
  border: 1px solid var(--pointColor3);
  border-radius: 20px;
  box-sizing: border-box;
  padding: 0.5rem 1rem;
}
.newsBox .newsContent {
  display: none;
  padding: 1rem;
  background: #004ea20d;
  border: 1px solid #ddd;
  margin-top: 2rem;
  border-radius: 5px;
  color: #555;
}
.arrow {
  width: 12px;
  height: 12px;
  border: solid #333;
  border-width: 0 2px 2px 0;
  display: inline-block;
  transform: rotate(45deg);
  margin-left: 10px;
  transition: transform 0.3s ease;
}
.arrow.open {
  transform: rotate(-135deg);
}
@media screen and (max-width: 640px) {
  /* お知らせ */
  .newsBox li {
    padding: 1.5rem 2rem;
  }
  .newsBox li dl {
    gap: 1rem;
  }
}
