[data-page="U251"] > main > article[data-title="1"] {
  margin: 20px 0 0 0;
  background: #7f7f7f;
}
[data-page="U251"] > main > article[data-title="1"] > div > div {
  width: 640px;
}
[data-page="U251"] > main > div {
  padding-top: 40px;
}
[data-page="U251"] > main > div h2:before {
  margin: 0 auto 10px auto;
  content: "";
  width: 25px;
  height: 21px;
  background-image: url(../img/U250/U251/title_mark.svg);
  background-repeat: no-repeat;
  background-size: contain;
  display: block;
}

@media screen and (max-width: 768px) {
  [data-page="U251"] > main > article[data-title="1"] {
    margin: 0;
  }
  [data-page="U251"] > main > article[data-title="1"] > div > div {
    width: 68vw;
  }
  [data-page="U251"] > main > div {
    padding-top: 0;
  }
}