.cms-public .block.kenkei_image_block .image_listitem {
 width: 32%;
 margin: 1em 0.5%;
}

.cms-public .block.kenkei_image_block2 .image_listitem:nth-child(odd) {
 width: 48%;
 margin: 1em 1.5% 1em 0;
}

.cms-public .block.kenkei_image_block2 .image_listitem:nth-child(even) {
 width: 48%;
 margin: 1em 0 1em 1.5%;
}

a:active {
  opacity: 0.8;
}

@media screen and (max-width: 700px) {
  .cms-public .block.kenkei_image_block .image_listitem ,
  .cms-public .block.kenkei_image_block2 .image_listitem:nth-child(odd) ,
  .cms-public .block.kenkei_image_block2 .image_listitem:nth-child(even) {
    margin: 1em 0;
  }
}