/* 連番は <p class="cnl-item"> のみ増える。h5は区切り用で連番に影響しない */
.cnl-wrap{
    counter-reset: cnl;
  }
  .cnl-wrap .cnl-item{
    position: relative;
    padding-left: 2.5em;
    margin: .4em 0;
  }
  .cnl-wrap .cnl-item::before{
    counter-increment: cnl;
    content: counter(cnl) ".";
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 600;
  }