Edit in JSFiddle

<div class="demo demo10">
  <div class="heading"><span>毎朝ちゃんと飲むUX</span></div>
</div>

body{
  background:#fff;
}
.demo {
  width: 500px;
  margin: 0 auto;
  padding: 10px 0;
  font-family: sans-serif;
  font-size: 20px;
  color:#3cb3e4;
}
.heading {
  margin: 10px 0
}
.demo10 .heading {
  position: relative;
  overflow: hidden;
  height: 40px;
  line-height: 40px;
  text-align: center;
}
.demo10 .heading:before,
.demo10 .heading:after {
  content: "";
  display: block;
  border: 2px solid #3cb3e4;
  height: 36px;
  width: 20px;
  position: absolute;
}
.demo10 .heading:after {
  right: 0;
  top: 0;
}
.demo10 .heading span:before,
.demo10 .heading span:after {
  content: "";
  display: block;
  background: #fff;
  width: 30px;
  height: 55px;
}
.demo10 .heading span:before {
  border-left: 2px solid #3cb3e4;
  transform: rotate(-30deg);
  position: absolute;
  left: 9px;
  top: -15px;
}
.demo10 .heading span:after {
  border-right: 2px solid #3cb3e4;
  transform: rotate(-30deg);
  position: absolute;
  right: 9px;
  top: 0px;
  z-index: 2;
}