左右に線を配置した見出し

<h2 class="heading">採用情報について</h2>

.heading {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 32px;
}

.heading::before,
.heading::after {
  content: '';
  width: 70px;
  height: 3px;
  background-color: #e5c046;
}

.heading::before {
  margin-right: 30px;
}

.heading::after {
  margin-left: 30px;
}