.keyvisual {
  position: relative;
  margin-top: 50px;
  margin-bottom: 16px;
  background: url(img/kv.webp) no-repeat center/cover;
  height: 450px;
}

.keyvisual .heading {
  position: absolute;
  top: 18px;
  left: 30px;
}

@media screen and (min-width: 980px) {
  .keyvisual {
    height: 750px;
  }
}

.main-copy {
  margin-bottom: 50px;
}

.section-flow .section:nth-of-type(odd) {
  color: white;
  background: var(--primary-container);
}

.section {
  padding: 50px 0;
}

.section .eyecatch {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 30px;
}

.section .heading {
  font-family: var(--serif);
  font-weight: bold;
  font-size: 16px;
  margin-bottom: 10px;
}

.section .action {
  border: 1px solid var(--light-gray);
  color: var(--light-gray);
  width: 220px;
  height: 37px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 32px auto 0 auto;
}