@charset "UTF-8";
:root {
  -webkit-font-smoothing: antialiased;
  --clr-facebook: #1877F2;
  --clr-twitter: #1D9BF0;
  --clr-line: #4CC764;
  --fzSP: 1.4rem;
  --fzPC: 1.6rem;
  --fz-headline: 4.6rem;
  --fz-heading: 2.3rem;
  --fz-subhead: 1.6rem;
  --lh: 2;
  --ls: normal;
  --ff-serif: "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝ProN W3", HiraMinProN-W3, "ヒラギノ明朝Pro W3", "Hiragino Mincho Pro", "ＭＳ 明朝", "MS Mincho", serif;
  --ff-sans: YakuHanJP, "Roboto", "Noto Sans JP", sans-serif;
}

#post {
  width: 92vw;
  margin-left: auto;
  margin-right: auto;
  margin-top: 10.6666666667vw;
}
@media (min-width: 768px) {
  #post {
    width: 1200px;
    margin-top: 60px;
  }
}

#postHeader {
  border: 1px solid #ccc;
  border-width: 1px 0;
  padding: 5.3333333333vw 0;
}
#postHeader time {
  font-size: 1.5rem;
  font-weight: 700;
  color: #999;
}
#postHeader h1 {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.5;
  margin-top: 2.6666666667vw;
}
@media (min-width: 768px) {
  #postHeader {
    padding: 40px 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  #postHeader time {
    font-size: 1.6rem;
    width: 130px;
  }
  #postHeader h1 {
    font-size: 3rem;
    margin-top: 0;
  }
}

#postBody {
  margin-top: 8vw;
  font-size: 1.6rem;
}
@media (min-width: 768px) {
  #postBody {
    margin-top: 50px;
  }
}

.postnav {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  margin-top: 8vw;
  border-top: 1px solid #ccc;
  padding: 6.6666666667vw 0;
}
@media (min-width: 768px) {
  .postnav {
    margin-top: 50px;
    padding: 28px 0;
  }
}
.postnav a {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0b308e;
}
@media (min-width: 768px) {
  .postnav a {
    font-size: 1.6rem;
  }
  .postnav a:hover {
    text-decoration: underline;
  }
}