@charset "utf-8";
/* CSS Document */
html {
  font-size: 100%;
	
}
body {
  color: #121212;
  font-family:'Noto Serif JP', sans-serif;
	
}
a {
  color: #121212;
  text-decoration: none;
}
img {
  max-width: 100%;
  vertical-align: bottom;
}
li {
  list-style: none;
}

.wrapper {
  padding: 80px 20px;
  margin: 0 auto;
  max-width:1400px;
}
/*.container {
  margin-left: 200px;
}*/
.site-title {
  line-height: 1px;
	width:40px;
    height: 40px;
    cursor: pointer;
    position: fixed;
    top: 12px;
    left: 43px;
    z-index: 20;
}
.site-title a {
  display: block;
}

.container{
	overflow-x: hidden;
	scroll-snap-type: y mandatory;
	height: 100vh;
}

.content{
	height: 100vh; 
	display: flex;
	position:relative;
	scroll-snap-align: start;
	
}

.section-title {
  font-size: 5rem;
  margin-top: 60px;
}

/*
.fadein {
  opacity : 0;
  transform: translateY(20px);
  transition: opacity 1s, transform .8s;
}

.fadein2 {
  opacity : 0;
	transform: translateY(20px);
  transition: opacity 1s, transform .8s;
}

.fadein2.is-fadein {
  opacity: 1;
  transform: translateY(0);
transition-delay: .5s;
}
*/
/*-------------------------------------------
ヘッダー
-------------------------------------------*/
/*
#sidebar {
  width: 200px;
  height: 100%;
  background-color: #fff;
  padding: 30px 30px 30px 30px;
  position: fixed;
  top: 0;
  /* 画面の高さが低くてメニューが隠れてしまった場合に、縦スクロールが出るよう設定 */
/*  overflow-y: auto;
}
#sidebar .nav-menu {
  margin: 50px auto;
}
#sidebar li {
  font-size: 0.875rem;
  padding: 8px 20px;
}

#sidebar li a .j{
	display: none;
}

#sidebar li a:hover .e{
	display: none;
}

#sidebar li a:hover .j{
	display: inline;
}
*/

/*-------------------------------------------
ヘッダー
-------------------------------------------*/

#sidebar {
  background-color: #fff;
  position: fixed;
  top: 0;
  /* 画面の高さが低くてメニューが隠れてしまった場合に、縦スクロールが出るよう設定 */
  overflow-y: auto;
  width: 100%;
  padding: 0;
  z-index: 10;
}
#sidebar .nav-menu {
  margin: 40px 0 60px 0;
}
#sidebar li {
  font-size: 0.875rem;
  padding: 8px 0;
}

#sidebar li a .j{
	display: none;
}

#sidebar li a:hover .e{
	display: none;
}

#sidebar li a:hover .j{
	display: inline;
}

 #navi {
    background: #fff;
    padding: 25px;
    position: fixed;
    top: 0;
    left: -300px;
    bottom: 0;
    opacity: 0;
    overflow-y: auto;
    transition: 0.5s;
    z-index: 20;
  }
  .open #navi {
    left: 0;
    opacity: 1;
  }
  #navi ul.nav-menu {
    margin-bottom: 30px;
  }
  #navi ul li {
    padding: 10px 0;
  }
  .hamburger {
    width: 30px;
    height: 30px;
    cursor: pointer;
    position: fixed;
    top: 22px;
    right: 50px;
    transition: 0.5s;
    z-index: 20;
  }
  .hamburger span {
    width: 30px;
    height: 2px;
    background-color: #121212;
    border-radius: 4px;
    display: block;
    position: absolute;
    left: 0;
    transition: 0.5s;
  }
  .hamburger span:nth-child(1) {
    top: 4px;
  }
  .hamburger span:nth-child(2) {
    top: 14px;
  }
  .hamburger span:nth-child(3) {
    bottom: 4px;
  }
  .open .hamburger span {
    background-color: #fff;
  }
  .open .hamburger span:nth-child(1) {
    transform: translateY(10px) rotate(-315deg);
  }
  .open .hamburger span:nth-child(2) {
    opacity: 0;
  }
  .open .hamburger span:nth-child(3) {
    transform: translateY(-10px) rotate(315deg);
  }
  #mask {
    display: none;
    transition: 0.5s;
  }
  .open #mask {
    width: 100%;
    height: 100%;
    background-color: #000;
    cursor: pointer;
    display: block;
    opacity: 0.8;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
  }


/*-------------------------------------------
Video
-------------------------------------------*/
/*
動画を全画面表示
*/
#video {
 height: 100vh; 
}

/*
「position: fixed;」で動画を固定し、「top: -220px;」で表示位置を調整
z-indexでマイナスを設定して、他のコンテンツの下に隠れるようにする
*/
#video .bg-video {
  height: 100vh;
  z-index: -10;
  overflow-x: hidden;
  object-fit: cover;
}

#mark{
	color:rgba(255,255,255,0.5);
	z-index: 0;
	position: absolute;
    top: 50%;
    left: 50%;
    transform: translateY(-50%) translateX(-50%);
}

#mark img{
	width:300px;
	margin:0 auto;
}

/*-------------------------------------------
ABOUT
-------------------------------------------*/
#about{
	
}

#about .text{
	width:50%;
}

#about .fade li{
	width:55%;
	opacity: 0;
	position: absolute;
	animation: fade 15s infinite;
	bottom:5%;
}

#about .fade li:nth-child(1){
	animation-delay:0s;
}

#about .fade li:nth-child(2){
	animation-delay:5s;
}

#about .fade li:nth-child(3){
	animation-delay:10s;
}

#about .fade li img{
	width:100%;
	height:60vh;
	object-fit:cover;
}

@keyframes fade {
  0% {
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  30% {
    opacity: 1;
  }
  45% {
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

#about .bg-img{
	position:absolute;
	bottom:5%;
	left:10%;
	z-index: -5;
	width:45%;
}

#about a{
	position:absolute;
	bottom:5%;
	left:40%;
}