.page-richtext-001 h1 {
  display: flex;
  justify-content: center;
  margin-bottom: 0.4rem;
}
.page-richtext-001>img {
  position: absolute;
  z-index: -1;
  width: 100%;
  bottom: 0;
  left: 0;
}
        @media (max-width: 960px) {
  .page-richtext-001 h1 {
    margin-bottom: 20px;
  }
}