/*  */

html {
  width: 100%;
}

body {
  width: 100%;
  background-color: #000;
  color: #FFFFFF;
  background-image: url("../img/daimanga-top/background-2.jpg");
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: 100%;
  font-family: 游ゴシック, "ヒラギノ角ゴ Pro W3", メイリオ, sans-serif;
}

.section {
  width: 100%;
  height: 100vh;
  font-size: 1.4em;
  overflow-x: hidden;
}

/*  */

.back {
  width: 20em;
  margin: -5em 0em 0em 3em;
  position: absolute;
  z-index: 30;
}

.back a:hover {
  margin: -5em 0em 0em -1em;
  transition: 0.3s;
}

.sec-top {
  position: relative;
}

.logo-daimanga {
  width: 9em;
  margin: 0 auto;
  margin-top: 7em;
}

.detail {
  margin: unset;
}

h4.heading {
  text-align: center;
  font-size: 1.7em;
  margin-bottom: 1.0em;
}

.sec-hello {
  width: auto;
  margin: 5% 20% 0 20%;
  line-height: 2em;
  font-size: 1.7em;
}

.sec-mangasan {
  width: auto;
  margin: 5% 20% 0 20%;
  line-height: 2em;
  font-size: 1.7em;
}

.sec-name {
  width: auto;
  margin: 5% 20% 10% 20%;
  text-align: right;
  font-size: 1.7em;
}

.sec-name span {
  font-size: 1.4em;
  font-weight: bold;
}

/* 開催中の展示 */

.now-img {
  margin: 0 18% 5em;
  width: 5.551%;
}

.exhibition>.detail {
  text-indent: 0;
}

.sec-now {
  margin: 0 25%;
  line-height: 2em;
}

.exhibition {
  text-align: center;
}

.ex-link-block {
  margin-bottom: 20%;
}

.ex-link-block a {
  color: #ffffff;
  text-decoration: none;
}

.ex-link-block:hover {
  opacity: 0.8;
}

h3.heading {
  font-size: 3.2em;
  border-bottom: solid 2px white;
  padding-bottom: 0.2em;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-align-items: center;
  align-items: center;
  margin: 0 -5%;
  line-height: 1.1em;
}

.date {
  margin-top: 1em;
}

p.date {
  font-size: 1.1em;
  font-weight: bold;
}

.place {
  margin: 0.5em 0 1.5em 0;
}

p.place {
  font-size: 1.5em;
}

.overview {
  margin-top: 0.1em;
  text-align: left;
}

p.overview {
  font-size: 1.3em;
  line-height: 2.0em;
}

.exhibition-img {
  margin: 0 auto;
  margin-bottom: 2em;
}

.btn {
  margin-top: 5em;
}

.a-btn {
  font-weight: bold;
  background-color: #FFFFFF;
  border-radius: 0.2em;
  color: #000;
  font-size: 1.2em;
  padding: 0.5em 3em;
}

a.a-btn:hover {
  text-decoration: none;
  font-weight: bold;
  color: #FFFFFF;
  background-color: #777777;
  transition: 0.3s;
}

/*　アーカイブ */

.archives-img {
  margin: 20em 18% 5em 18%;
  width: 14%;
}

.sec-archives {
  margin: 0 25%;
  line-height: 2em;
}

p.margin {
  text-align: center;
  margin-top: 1.0em;
}

.movie-img {
  position: relative;
  margin-top: -15%;
  margin-bottom: 20%;
}

p.movie-text {
  top: 80%;
  position: absolute;
  font-size: 2.0em;
  width: 100%;
}

.movie-img span {
  font-size: 0.7em;
}

.youtube {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 10%;
}


.back-bottom {
  width: 20em;
  margin: 9em 0em 7em 3em;
  z-index: 30;
}

.back-bottom a:hover {
  margin: -5em 0em 0em -1em;
  transition: 0.3s;
}

/* フッター */

footer {
  background-color: #FFFFFF;
  color: 0.2em;
}

.footer-logo {
  margin: 0 auto;
  width: 15%;
  padding: 3em 0;
}

.copyright {
  color: #000;
  text-align: center;
  border-top: solid 1px #7d7d7d;
  font-size: 1em;
  padding: 1em 0;
}

.copyright p {
  margin: 0;
}

/* 768pxからはここを読み込む */

@media (max-width: 768px) {
  body {
    width: 100%;
    background-color: #000;
    color: #FFFFFF;
    background-image: url(../img/daimanga-top/background-2.jpg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position-x: center;
    background-size: cover;
  }
  .sec-hello, .sec-mangasan, .sec-name {
    width: auto;
    margin: 5% 10% 0 10%;
    line-height: 2em;
    font-size: 1.4em;
  }
  .sec-now, .sec-archives {
    margin: 0 10%;
    line-height: 2em;
  }
  h3.heading {
    margin: 0 0 3% 0 ;
    font-size: 2.6em;
    line-height: 1.15em;
  }
  .now-img {
    width: 20%;
    margin: 20% auto 10% auto;
  }
  .archives-img {
    width: 50%;
    margin: 20% auto 10% auto;
  }
  .back {
    width: 9em;
    margin: -5em 0em 0em 2em;
    position: absolute;
  }
  .back-bottom {
    width: 9em;
    margin: 5em 0em 0em 2em;
  }
  .btn {
    font-weight: bold;
    background-color: #FFFFFF;
    border-radius: 0.2em;
    color: #000;
    font-size: 1.2em;
    padding: 0.5em 1em;
    margin-top: 10em;
  }
  .footer-logo {
    margin: 0 auto;
    width: 50%;
    margin-top: 10%;
    padding: 1em 0;
  }
}

@media (max-width: 468px) {
  h3.heading {
    font-size: 1.6em;
    border-bottom: solid 2px white;
    padding-bottom: 0.2em;
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-align-items: center;
    align-items: center;
    margin: 0;
  }

  p.place {
    font-size: 1em;
  }
  p.margin {
    text-align: left;
    margin-left: 0;
  }
  p.movie-text {
    top: 75%;
    position: absolute;
    font-size: 1.1em;
    width: 100%;
  }
  .movie-img span {
    font-size: 0.7em;
  }
}