.mainContent dl{
  margin-top: 50px;
  border-bottom: 1px solid #E3E8E8;
  padding-bottom: 50px;
}
.mainContent dl:last-child{
  border-bottom: 0;
  padding-bottom: 0;
}

.mainContent dt{
  margin-bottom: 30px;
  font-weight: bold;
  font-size: 20px;
  text-align: center;
}
.mainContent dd a.btn_reverse{
  font-size: 14px;
}
.mainContent dd p{
  text-align: center;
}
.mainContent dd a.btn_reverse.twoline{
  padding: 7px 20px;
}
.mainContent dd a.outlink{
  position: relative;
}
.mainContent dd a.outlink:after{
  display: block;
  content: "";
  width: 17px;
  height: 12px;
  background-image: url('../images/common/ico_outlink.png');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  position: absolute;
  top: calc(50% - 6px);
  right: 10px;
}
.mainContent dd a.outlink:hover:after{
  background-image: url('../images/common/ico_outlink_wh.png');
}