.ttl_center5 {
    font-weight: bold;
    width: fit-content;
    margin: auto;
    padding: 0.5em 1em;
    margin-bottom: 0.3em;
    text-align: center;
    position: relative;
  }
  .ttl_center5::before, .ttl_center5::after {
    content: '';
    background-color: #4c9ac0;
    width: 50%;
    height: 3px;
    position: absolute;
  }
  .ttl_center5::before {
    top: 0;
    left: 0;
  }
  .ttl_center5::after {
    bottom: 0;
    right: 0;
  }

  main h3{
    padding: .5rem 1rem;
    border-left: 4px solid #000;
  }