.text-divider {
  display: flex;
  align-items: center;
}
.text-divider::before,
.text-divider::after {
  content: '';
  height: 1px;
  background-color: #333;
  flex-grow: 1;
}

.oneArea {
  background: linear-gradient(90deg, #ffffff 0%, #ffffff 40%,#90ee90 40%, #90ee90 60%, #ffffff 60%, #ffffff 100%);
  width: 100%;
  height: 12000px;
}
.oneArea p {
    text-align: center
    letter-spacing: 0;
  color: #000000;
  font-size: 15px;
  font-weight: bold;
}
.oneArea b {
    text-align: center
    letter-spacing: 0;
    margin-left: 100px;
  color: #000000;
  font-size: 15px;
  font-weight: bold;
}

/*====================================================================
以下は不要です。
====================================================================*/
body {
  font-family: YuGothic, "游ゴシック体", "Yu Gothic", "ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  font-size: 16px;
  letter-spacing: .025em;
  line-height: 1.8;
  margin: 0;
}
@media screen and (max-width: 1024px) {
  body {
    font-size: 14px;
  }
}
.section {
  max-width: 100%;
  margin: 0 auto;
  padding: 0 0 50px;
}
.section p._a {
  font-size: 12px;
  font-weight: bold;
  margin: 30px 0 0;
}
.section p._a .link {
  display: inline-block;
  color: #607D8B;
  padding-left: 1.3em;
  text-indent: -1.3em;
}
.section p._a .link:before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-top: 2px solid #607D8B;
  border-right: 2px solid #607D8B;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
  margin-right: 10px;
}