.bottom_image {
  text-align: center;
}
@media screen and (max-width: 768px) {
  .bottom_image img {
    width: 100%;
  }
}

main {
  background: url(../img/flow_bg.jpg);
}

dl {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin-bottom: 2em;
}
dl dt {
  width: 70px;
}
dl dd {
  width: calc(100% - 70px);
  padding-left: 30px;
}
dl dd h2 {
  font-size: 2.4rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}
dl dd h3 {
  color: #F36F56;
  border-radius: 30px;
  border: 1px solid #F36F56;
  background-color: #FFF;
  display: inline-block;
  padding: 0.2em 1em;
  font-weight: 600;
  font-size: 1.4rem;
}
dl dd h3, dl dd p {
  margin-bottom: 1em;
}

.back_shadow {
  background-color: #EFF9FF;
}