.un_ttl {
  margin-bottom: 35px;
  font-size: 20px;
  line-height: 1;
  font-weight: bold;
}
@media only screen and (max-width: 768px) {
  .un_ttl {
    padding-top: 2.666vw;
    margin-bottom: 5.333vw;
    font-size: 5.33vw;
    line-height: 1.6;
  }
}

.bl_lead {
  margin-bottom: 50px;
}
@media only screen and (max-width: 768px) {
  .bl_lead {
    margin-bottom: 10.66vw;
  }
}