section.first_section {
  background: #FFFFFF;
}

@media screen and (min-width: 768px) {
  #subpage_title_area h1 {
    font-size: 42px;
  }
  #news_detail {
    width: 800px;
    margin: 60px auto 0;
    padding-bottom: 100px;
  }
  #news_detail h2 {
    font-size: 23px;
  }
  #news_detail .date {
    color: #888;
    margin-top: 10px;
    letter-spacing: 0.02em;
    text-align: right;
  }
  #news_detail .contents {
    margin-top: 35px;
  }
  #news_detail .contents .txt {
    line-height: 2.1;
  }
}