@media only screen and (min-width: 580px) {
  .aitsuPage .contents .wrap {
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
  }
  .aitsuPage .contents .wrap .item {
    width: 30%;
    margin: 0 4.5% 3em 0;
  }
  .aitsuPage .contents .wrap .item:nth-child(3n) {
    margin-right: 0;
  }
}