.sub_text {
  font-size: 1rem;
  color: #555555;
  margin-bottom: 40px;
  text-align: center;
}

.image_block.explain {
  width: 45%;
}

.explain_wrapper {
  width: 50%;
}

.explain_title {
  font-size: 1.25rem;
  font-weight: 600;
  width: fit-content;
  margin: 0 0 20px 0;
  color: #010101;
}

.explain_text {
  font-size: 1rem;
  line-height: 1.8;
  color: #333333;
  margin-bottom: 30px;
}

/* 768px以下 */
@media screen and (max-width: 768px) {
  .image_block.explain {
    width: 100%;
    margin-bottom: 30px;
  }

  .explain_wrapper {
    width: 100%;
  }
}