.concept__contents {
  padding: 0 26px;
  text-align: center;
}

.concept__contents-row {
  margin-bottom: 26px;
}

.concept__contents-row-wrapper {
  display: inline-block;
  padding: 15px 0;
  margin-top: 19px;
  border-top: 1px solid #7d97bf;
  border-bottom: 1px solid #7d97bf;
}

.concept__contents-row--margin-none {
  margin-bottom: 0;
}

@media screen and (max-width: 320px) {
  .concept__contents {
    padding: 0 11px;
  }
}