.ttl_h3{
  font-weight: bold;
  border-bottom: solid 2px #898989;
  padding: 0 0 10px 10px;
}
.ttl_h4{
  font-weight: bold;
  color: #B32034;
  margin-bottom: 15px;
}
.ttl_h4::after{
  content: "";
  display: block;
  border-bottom: solid 2px #aaaaaa;
  width: 90px;
  margin-top: 5px;
}
.bank_table{
  margin: 0 0 30px;
  width: 70%;
  border-bottom: solid 1px #ccc;
  padding-bottom: 30px;
}
.bank_table td{
  padding: 5px 10px;
}
.bank_table td:first-child{
  width: 50%;
}
.container_section{
margin-bottom: 50px;
}
.postage_table td{
  padding: 10px;
  box-sizing: border-box;
  border-bottom: solid 1px #ccc;
}

@media only screen and (max-width: 768px) {
  .bank_table{
    margin: 0 auto 30px;
    width: 100%;
  }
  .postage_table td{
    display: block;
  }
}