html {
  font-size: 100%;
}
body {
  color: #fefefe;
  background-color: #000;
}
a {
  color: #121212;
  text-decoration: none;
}
img {
  max-width: 100%;
}
img.toplogo {
  width: 10rem;
}
img.aboutlogo {
  width: 60%;
}
li {
  list-style: none;
  padding: 5px;
}
.wrapper {
  max-width: 960px;
  margin: 0 auto 50px auto;
  font-size: 0.9rem;
  padding: 0 4%;
}
.site-title {
  line-height: 1px;
}
.site-title a {
  display: block;
}
.sec-title {
  font-size: calc(30px + 5 * (100vw - 600px) / 400);
  margin-bottom: 30px;
  text-shadow: 0 0 5px #fff;
  text-align: center;
  font-family: 'Oswald', sans-serif;
  letter-spacing: 0.1em
}
.sec-area {
  font-size: calc(20px + 10 * (100vw - 600px) / 400);
  margin-bottom: 50px;
  text-shadow: 0 0 10px #fff;
  text-align: center;
}

/*フェード表示させる要素に使用するためのクラス*/
.fadein {
  opacity : 0;
  transform: translateY(20px);
  transition: all 1s;
}

/*全て共通：hideエリアをはじめは非表示*/
.hide-area{
	display: none;
}

/*全て共通：モーダルのボタンの色を変更したい場合*/
.modaal-close:after, 
.modaal-close:before{
	background:#ccc;	
}

.modaal-close:focus:after,
.modaal-close:focus:before,
.modaal-close:hover:after,
.modaal-close:hover:before{
	background:#666;
}

/*-------------------------------------------
ヘッダー
-------------------------------------------*/
/*
「position: fixed;」でヘッダーを固定し、「z-index: 10;」で前面に表示
※他のコンテンツでpositionをrelative、absolute、fixedのいずれかに
設定している場合は、z-indexの数値が大きい方が前面に表示される
*/
#header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  position: fixed;
  z-index: 10;
  background-color: rgb(0, 0, 0);
}
ul.gmenu {
  display: flex;
  padding: 5px 50px;
}
ul.gmenu li {
  font-size: 0.9rem;
  margin-left: 30px;
}
ul.gmenu li a {
  color: #ffffff;
}
.gnav__menu{
  display: flex;
}
.gnav__menu__item{
  margin-left: 20px;
}
.gnav__menu__item a{
  color: #333;
  text-decoration: none;
}
/*
ハンバーガーメニュー
*/
#navi {
  display: block;
  position: fixed;
  top: 0;
  left: -300px;
  bottom: 0;
  width: 300px;
  color: #fff;
  padding: 60px 25px;
  background-color: #121212;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transition: all .5s;
  z-index: 20;
  opacity: 0;
}
#navi a {
  color: #fff;
}
.open #navi {
  left: 0;
  opacity: 1;
}
#navi ul {
  margin: 0;
  padding: 0;
}
#navi ul.nav-menu {
  margin-bottom: 60px;
  border-top: solid 1px #fff;
}
#navi ul.nav-menu li {
  position: relative;
  margin: 0;
  padding: 20px 0;
  border-bottom: solid 1px #fff;
}
#navi ul.nav-sns li {
  padding: 5px 0;
}
.toggle_btn {
  display: block;
  position: fixed;
  top: 25px;
  right: 45px;
  width: 30px;
  height: 30px;
  transition: all .5s;
  cursor: pointer;
  z-index: 20;
}
.toggle_btn span {
  display: block;
  position: absolute;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: rgb(255, 255, 255);
  border-radius: 4px;
  transition: all .5s;
}
.toggle_btn span:nth-child(1) {
  top: 4px;
}
.toggle_btn span:nth-child(2) {
  top: 14px;
}
.toggle_btn span:nth-child(3) {
  bottom: 4px;
}
.open .toggle_btn span {
  background-color: #fff;
}
.open .toggle_btn span:nth-child(1) {
  -webkit-transform: translateY(10px) rotate(-315deg);
  transform: translateY(10px) rotate(-315deg);
}
.open .toggle_btn span:nth-child(2) {
  opacity: 0;
}
.open .toggle_btn span:nth-child(3) {
  -webkit-transform: translateY(-10px) rotate(315deg);
  transform: translateY(-10px) rotate(315deg);
}
#mask {
  display: none;
  transition: all .5s;
}
.open #mask {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: .8;
  z-index: 10;
  cursor: pointer;
}

/*-------------------------------------------
Main
-------------------------------------------*/
#main {
  padding-top: 80px;
  text-align: center;
}

/*-------------------------------------------
mv
-------------------------------------------*/
img.mv {
  width: 90%;
}

/*-------------------------------------------
trailer
-------------------------------------------*/
.responsive {
  width: 50%;
  margin-left: auto;
	margin-right: auto;
  margin-bottom: 60px;
  aspect-ratio: 16/9;
  }

/*-------------------------------------------
image
-------------------------------------------*/
#image {
  width: 100%;
  padding: 100px 0 0 0;
}
.image-area {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(100px, auto);
  padding: 5px 15px 15px 15px;
  grid-gap: 10px;
}

/*-------------------------------------------
Story
-------------------------------------------*/
#story {
  width: 100%;
  padding: 100px 0 5px ;
}
#story .content {
  display: flex;
  justify-content: center;
  align-items: center;
}
.fadetext {
  text-align: center;
  margin-bottom: 70px;
  opacity : 0;
  transition: opacity 5s;
}
.fadetext.view {
  opacity: 1;
}

/*-------------------------------------------
gif部分
-------------------------------------------*/
#gifarea {
  padding: 50px 0;
}
#gifarea .slider li {
  padding: 0 10px;
}

/*-------------------------------------------
overview
-------------------------------------------*/
#overview {
  padding: 100px 50px 50px;
}

#overview dl {
  display: flex;
  flex-wrap: wrap;
  border-top: solid 1px #c8c8c8;
  margin-bottom: 5px;
}
#overview dt {
  width: 20%;
  border-bottom: solid 1px #c8c8c8;
  padding: 15px;
}
#overview dd {
  width: 80%;
  border-bottom: solid 1px #c8c8c8;
  padding: 15px;
}

/*-------------------------------------------
About
-------------------------------------------*/
#about .content {
  display: flex;
  justify-content: center;
  align-items: center;
}
#about img {
  width: 100px;
  height: 100px;
  margin-right: 30px;
  margin-bottom: 50px;
}
#about .text {
  text-align: left;
  margin-bottom: 50px;
}

/*-------------------------------------------
フッター
-------------------------------------------*/
#footer {
  background-color: #24292e;
  color: #fff;
  font-size: 0.5rem;
  padding: 10px 20px;
  text-align: center;
}

/*-------------------------------------------
SP
-------------------------------------------*/
@media screen and (max-width: 600px) {
  .wrapper {
    margin-bottom: 50px;
  }
  .sec-title {
    margin-bottom: 10px;
  }
  .responsive {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 60px;
    aspect-ratio: 16/9;
    }
  .image-area {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: minmax(100px, auto);
    grid-gap: 10px;
  }

  /*-------------------------------------------
  ヘッダー
  -------------------------------------------*/
  #header {
    max-width: 100%;
    height: auto;
    flex-direction: colrow;
  }
  #header li {
    font-size: 0.8rem;
  }
  #header li:first-child {
    margin-left: 0;
  }

  /*-------------------------------------------
  gif部分
  -------------------------------------------*/
  #gifarea {
    padding: 5px 0;
  }
  #gifarea .slider li {
    padding: 0 5px;
  }

  /*-------------------------------------------
  About
  -------------------------------------------*/
  #about .content {
    flex-direction: column;
  }
  #about img {
    margin-right: 0;
    margin-bottom: 10px;
  }
  #about .text {
    text-align: center;
    margin-bottom: 50px;
  }

  /*-------------------------------------------
  overview
  -------------------------------------------*/
  #overview dl {
    flex-direction: column;
  }
  #overview dt {
    width: 100%;
    border-bottom: none;
    padding-bottom: 0;
  }
  #overview dd {
    width: 100%;
    padding-top: 0;
  }
}