/* カスタム CSS をここに入力してください */
h1 {
  position: relative;
  padding-bottom: .5em;
}
h1::before,
h1::after {
  position: absolute;
  bottom: -4px;
  left: 0;
  content: '';
  height: 4px;
}
h1::before {
  z-index: 2;
  width: 15%;
  background-color: #1f275b;
}
h1::after {
  width: 100%;
  background: -webkit-repeating-linear-gradient(45deg, #fff, #fff 2px, #aaa 2px, #aaa 4px);
  background: repeating-linear-gradient(45deg, #fff, #fff 2px, #aaa 2px, #aaa 4px);
}

h2 {
  padding: .25em 0 .25em .75em;
  border-left: 6px solid #1f275b;
}