<h1 class="cp_h1title">見出しテキスト</h1>
.cp_h1title {
position: relative;
padding: .1em .3em .1em 1.3em;
}
.cp_h1title::before,.cp_h1title::after {
position: absolute;
content: "□";
width:4px;
height: 4px;
color: #FBC02D;
}
.cp_h1title::before {
left:0;
top:0;
}
.cp_h1title::after {
left: 5.5px;
top: 7.5px;
}