@media screen and (min-width: 600px) {
.sp_only {
  display: none;
}
}
@media screen and (max-width: 600px) {
.pc_only {
  display: none;
}
}
.btn {
  border-radius: 55px;
  display: inline-block;
  font-size: 1.8rem;
  font-weight: 100;
  margin: 60px 0 0;
  color: #fff;
  border: solid 2px #7f1083;
  transition: .4s;
}
.btn a {
  font-size: 20px;
  color: #7f1083;
  text-decoration-line: none!important;
  padding: 14px 50px;
  position: relative;
  display: block;
}
.btn a::after {
  position: absolute;
  top: 50%;
  right: 16px;
  content: '';
  margin-top: -6px;
  border: 7px solid transparent;
  border-top-width: 6px;
  border-bottom-width: 6px;
  border-left-color: #7f1083;
}
.btn:hover {
  background: #7f1083;
  color: #fff;
}
.btn a:hover {
  color: #fff;
  opacity: 1;
}
.btn a:hover::after {
  border-left-color: #fff;
}

@media only screen and (max-width: 600px) {
.btn {
  margin: 36px 10px 0;
}
.btn a {
  font-size: 14px;
  padding: 10px 60px;
  line-height: 18px;
}
.btn a::after {
  right: 10px;
}
}