.contents-wrap-sample-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1em;
  margin: 2em 0;
}

.contents-box-sample-list {
  margin: 0;
  padding: 0;
  width: 15%;
}

.contents-box-sample-list img {
  display: block;
  width: 100%;
  height: auto;
}

@media screen and (max-width: 768px) {
  .contents-wrap-sample-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1em;
  }

  .contents-box-sample-list {
    margin: 0;
    padding: 0;
    width: 30%;
  }

  .contents-box-sample-list img {
    display: block;
    width: 100%;
    height: auto;
  }
}