Edit in JSFiddle

<div class="demo demo6">
  <div class="heading">毎朝ちゃんと飲むUX</div>
</div>

.demo {
  width: 500px;
  margin: 0 auto;
  padding: 10px 0;
  font-family: sans-serif;
  font-size: 20px;
  color:#3cb3e4;
}
.heading {
  margin: 10px 0
}
.demo6 .heading {
  border-top: 4px solid #3cb3e4;
  border-bottom: 4px solid #3cb3e4;
  padding: 5px 20px;
  position: relative;
  width: 300px;
  text-align: center;
  margin: 30px auto;
  color: #3cb3e4;
  font-weight: bold;
}
.demo6 .heading:before {
  content: "";
  border-top: 3px solid #3cb3e4;
  border-bottom: 3px solid #3cb3e4;
  display: block;
  position: absolute;
  width: calc(100% - 20px);
  height: 58px;
  top: -12px;
  left: 10px;
}
.demo6 .heading:after {
  content: "";
  border-top: 2px solid #3cb3e4;
  border-bottom: 2px solid #3cb3e4;
  position: absolute;
  display: block;
  width: calc(100% - 40px);
  height: 74px;
  top: -19px;
  left: 20px;
}