.article {
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
}
.article__title {
  margin-bottom: 0.8rem;
  font-size: 2.2rem;
  line-height: 1.4;
}
@media screen and (min-width: 900px) {
  .article__title {
    font-size: 3.2rem;
  }
}
.article__date {
  font-size: 1.2rem;
}
@media screen and (min-width: 900px) {
  .article__date {
    font-size: 1.4rem;
  }
}
.article__contents {
  margin-top: 3.2rem;
  font-size: 1.4rem;
  line-height: 1.8;
}
@media screen and (min-width: 900px) {
  .article__contents {
    font-size: 1.6rem;
  }
}
.article__contents p {
  margin-bottom: 1.6rem;
}