.section-about .section-heading {
  font-family: 游ゴシック体, YuGothic, 游ゴシック, "Yu Gothic", sans-serif!important;
  font-weight: 600;
  margin-bottom: 5rem;
}

.section-about-content {
  margin-bottom: 40px;
}

.section-about-txt {
  margin-bottom: 20px;
}

.section-about .box-1 {
  grid-column: 2 / 5;
  grid-row: 1 / 3;
}

.section-about .box-2 {
  grid-column: 1 / 2;
  grid-row: 2 / 4;
}

.section-about .box-3 {
  grid-column: 3 / 4;
  grid-row: 3 / 5;
}