.reason_section dd {
  text-align: left;
}
.mb100 {
  text-align: left;
}

@media (max-width: 767px) {
  h1,
  .h1_div {
    top: 25vw;
    font-size: 6vw;
  }
  .nav {
    display: block !important;
  }
  .imgCenter {
    text-align: center !important;
  }
}

@media (min-width: 768px) {
  .sns_icon {
    height: 40px;
    width: 40px;
  }
}