.heading-1::before,
.heading-1::after,
.ttl_h2::before,
.ttl_h2::after {
  width: calc(50% - 200px);
}
.container_section {
  margin-bottom: 96px;
}
.def_lst{
  border-top: none;
}
.def_lst_dd{
  border-bottom: 1px solid #ccc;
}


@media screen and (max-width: 767px) {
  .heading-1::before,
  .heading-1::after,
  .ttl_h2::before,
  .ttl_h2::after {
    width: calc(50% - 128px);
  }
  .container_section {
    margin-bottom: 64px;
  }
  .container_section:last-of-type {
    margin-bottom: 24px;
  }
}