#flow_explain {
  counter-reset: count 0;
  background: url(/assets/img/common/bg_gradation_sp.jpg) no-repeat center top 18% / cover;
  @media (min-width:768px) {
    background-image: url(/assets/img/common/bg_gradation_pc.jpg);
  }
}
#flow_explain .intro_text {
  font-family: var(--ff-maru);
  font-size: clamp( 1.6rem, calc( 1.4rem + 0.5555555555555556vw ), 2.1rem );
  width: fit-content;
  margin: 0 auto 5rem;
  @media (min-width:768px) {
    margin: 0 auto 10rem;
  }
}
#flow_explain .block_title {
  display: flex;
  align-items: center;
  counter-increment: count 1;
  &::before {
    display: flex;
    content: counter(count);
    font-size: 82%;
    justify-content: center;
    align-items: center;
    width: 1.2em;
    height: 1.2em;
    margin-right: 0.2em;
    border: 0.1rem solid;
    border-radius: 50%;
  }
}
#flow_explain .content_block .text {
  font-weight: 700;
}