@charset "utf-8";
html {
  scroll-behavior: smooth;
}
#overview {
  margin: 50px auto 80px;
}
#article-introduction dt {
  margin: 50px auto 20px;
  padding: 10px 10px 7px;
  background: linear-gradient(to right, #916E00 70%, #fff);
  color: #fff;
  font-weight: normal;
}
#article-introduction dd p {
  margin-left: 36px;
  font-size: 14px;
}

.mt80 {
  margin-top: 80px;
}
.mb99 {
  margin-bottom: 100px;
}

@media screen and (max-width: 600px) {
  #article-introduction dt {
    background: linear-gradient(to right, #916E00 90%, #fff);
  }
}