#contents_header h1 {
  background-image: url(../images/main_title_sp.svg);
}

#section_article p {
  -webkit-font-feature-settings: "liga", "clig", "calt", "kern";
  font-feature-settings: "liga", "clig", "calt", "kern";
  font-variant-ligatures: common-ligatures;
  font-kerning: normal;
  font-size: 15px;
  line-height: 2em;
  letter-spacing: 0em;
  text-align: left;
  font-family: Palatino, "Palatino Linotype", "Book Antiqua", FreeSerif, serif;
}

@media screen and (min-width: 641px) {
  #contents_header h1 {
    background-image: url(../images/main_title_pc.svg);
  }

  #section_article p {
    font-size: 20px;
  }
}