* {
  margin: 0;
  padding: 0;
  color: #333333;
}

html {
  font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "メイリオ", "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;
  font-weight: 500;
}

body {
  height: 100%;
}

header {
  display: inline-block;
  width: 100%;
  position: relative;
  z-index: 100;
}

header a {
  text-decoration: none;
  color: #333333;
  font-style: italic;
}

.content {
  min-height: calc(100vh - 48px);
}

.top {
  background-size: cover;
  background-repeat: no-repeat;
}

.top .allrights {
  position: absolute;
  right: 0;
  bottom: 0;
}

.allrights {
  text-align: right;
  padding: 8px;
  font-style: italic;
}

.content_2colmun {
  padding-bottom: 40px;
  margin: 0 10% 0 10%;
  display: inline-block;
  width: 80%;
}

.content_2colmun_first img {
  width: 100%;
}

.vtuber_content {
  position:relative;
  width:100%;
  padding-top: calc(100vh - 272px);
}
.vtuber_content iframe{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height: 100%;
  border: none;
}
.vtuber .allrights {
  position: absolute;
  right: 0;
  bottom: 0;
}

@media only screen and (max-width: 767px) {
  .top {
    background-image: url("../img/top_sp.jpg");
    width: 100%;
    min-height: calc(var(--vh, 1vh) * 100);
    background-position: center;
  }

  h1 {
    float: left;
    margin: 16px;
  }

  h1 a img {
    width: 100px;
  }
  .content_2colmun_title {
    height: 64px;
    margin: 0px 0 24px;
    text-align: center;
  }
  .content_2colmun_title img {
    height: 100%;
  }
  .content_2colmun_first {
    margin: 0 0 16px 0;
  }

  .content_tiktok_title {
    height: 64px;
    margin: 0px 0 24px;
    text-align: center;
  }
  .content_tiktok_title img {
    height: 100%;
  }
}

@media only screen and (min-width: 768px) {
  .top {
    background-image: url("../img/top.jpg");
    width: 100%;
    height: 100vh;
    background-position: top;
  }

  h1 a img {
    width: 130px;
  }

  h1 {
    float: left;
    margin: 30px 0 0 60px;
  }

  .content_2colmun_title {
    height: 104px;
    margin: 24px 0 40px 0;
    text-align: center;
  }

  .content_2colmun_title img {
    height: 100%;
  }

  .content_2colmun_first {
    width: 49%;
    float: left;
  }

  .content_2colmun_second {
    width: 49%;
    float: right;
  }
  
  .content_2colmun_first_tiktok {
    width: 59%;
    float: left;
  }

  .content_2colmun_second_tiktok {
    width: 39%;
    float: right;
  }
  
  .content_tiktok {
    padding-bottom: 40px;
    display: inline-block;
    margin: 0 10% 0 10%;
    width: 80%;
    min-width: 1000px;
  }

  .content_tiktok_title {
    height: 104px;
    margin: 24px 0 40px 0;
    text-align: center;
  }

  .content_tiktok_title img {
    height: 100%;
  }

  .content_tiktok_content {
    min-width: 33%;
    float: left;
  }

  .tiktok-embed {
    max-width: 325px!important;
  }
}