#introduction {
  padding: 80px 0 0 0;
}

.introduction_text {
  font-size: 16px;
  line-height: 2;
}

.illustration_introduction {
  margin: 48px 0 0 0;
}

.illustration_introduction img {
  width: 180px;
}
@media (max-width: 767px) {
  #introduction {
    padding: 50px 0 0 0;
  }

  .illustration_introduction {
    margin: 32px 0 0;
  }

  .illustration_introduction img {
    width: 170px;
  }
}