<h1 class="cp_h1title">見出しテキスト</h1>

.cp_h1title {
  position:relative;
  color:#fff;
  background:#EC407A;
  padding: 0 5px;
  margin-left: 10px;
}
.cp_h1title:before,
.cp_h1title:after {
  position: absolute;
  content:'';
}
.cp_h1title:before {
  content: '<';/*棒と旗をつなぐ「＜」*/
  color: #FDD835;
  font-size: 25px;
  top: 0;
  left: -12px;
}
.cp_h1title:after {
  top: -2px;
  left: -10px;
  width: 0;
  height: 160%;
  border: 2px solid #5D4037;
  border-radius: 2px;
  transform: rotate(-2deg);/*棒の部分を少し斜めに傾ける*/
}