#main {
  background: rgb(167 111 247 / 30%);
}
.ranktitle {
  font-size: 24px;
  color: #9e7c17;
  font-weight: bold;
  padding-bottom: 5px;
  border-bottom: 1px solid #9e7c17;
  margin-top: 20px;
  margin-bottom: 20px;
}
.rankingwrap {
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-align-items: center;
  align-items: center;
}
.rankingwrap .castlist {
  width: 33%;
}
.ranknum img {
  width: 50%;
}
@media screen and (max-width: 640px) {
  .ranktitle {
    font-size: 18px;
  }
}