@charset "UTF-8";
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
body {
  background-color: #12151c;
  font-family: "Avenir Next Condensed", 'Noto Sans JP', "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  font-size: 18px;
  letter-spacing: 1px;
  line-height: 150%;
  font-weight: normal;
  text-align: justify;
  color: #f3f3f3;
}
.nav-list {
  max-width: 750px;
  margin: 0 auto;
}
a > img:hover {
  opacity: .75;
}
.footer #copyright {
  height: 20px;
  width: 750px;
  display: table-cell;
  text-align: center;
  vertical-align: middle;
  font-size: 11px;
}
.text-grey {
  color: #f3f3f3;
}
.about-content {
  max-width: 750px;
  margin-right: auto;
  margin-left: auto;
  line-height: 200%;
}
.about-answer {
  max-width: 750px;
}
.tit {
  font-size: 20px;
}