<h1 class="cp_h1title">見出しテキスト</h1>

.cp_h1title {
  position: relative;
  padding: 0px 30px;
}
.cp_h1title::before,
.cp_h1title::after {
  position: absolute;
  content: '';
  top: -25px;
  left: 0;
}
.cp_h1title::before {
  background: #063b40;
  clip-path: polygon(0% 0%, 0% 100%, 2px 100%, 2px 65%, 100% 40%, 90% 30%, 100% 20%);
  width: 50px;
  height: 65px;
}
.cp_h1title::after {
  content: 'Point';
  top: -10px;
  left: 6px;
  color: #fff;
  font-size: 9px;
  transform: rotate(-18deg);
}