#about_cover,
#view,
#view canvas,
body,
html {
	height: 100%;
	width: 100%
}

#about,
#about_cover,
#bt_fs,
#ng,
.ok {
	display: none
}

#about a,
#bt_about a,
#bt_backtrack a,
#bt_feedback a,
#bt_start a {
	color: #fff;
	text-decoration: none;
	border-bottom: dashed 1px #fff
}

body,
html {
	position: absolute;
	overflow: hidden;
	text-align: center;
	background: #8cc;
	color: #fff;
	font-family: Quicksand, "游ゴシック", "Yu Gothic", "游ゴシック体", YuGothic, "Yu Gothic UI", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "Meiryo UI", "メイリオ", Meiryo, sans-serif
}

#about_cover,
#view {
	position: fixed;
	top: 0;
	z-index: 1
}

#bt_back,
#bt_fs {
	position: absolute;
	z-index: 100;
	padding: 10px;
	left: 0;
	font-size: 1rem;
	cursor: pointer;
	transition: .2s ease
}

#bt_fs {
	left: auto;
	right: 0
}

#scene_main,
#scene_top {
	width: 90%
}

#scene_loading {
	width: 100%
}

#about,
#scene_loading,
#scene_main,
#scene_top {
	position: absolute;
	top: 50%;
	left: 50%;
	-webkit-transform: translate(-50%, -50%);
	-ms-transform: translate(-50%, -50%);
	transform: translate(-50%, -50%);
	z-index: 100;
	display: none
}

#scene_top h1 {
	font-size: 1.5rem;
	margin-bottom: 25px
}

#bt_start {
	margin-bottom: 15px
}

#scene_top .attention {
	font-size: .9rem;
	margin-top: 25px
}

#scene_top .tit {
	margin-top: 20px;
	margin-bottom: 10px
}

#scene_top .con {
	letter-spacing: -.5rem
}

#scene_top .sns {
	margin: 0 8px;
	cursor: pointer
}

#scene_top .sns img {
	width: 40px
}

#ng .atten {
	font-size: .9rem;
	margin-bottom: 20px
}

#scene_loading hr {
	width: "0%"
}

#scene_main,
#scene_main .attention {
	pointer-events: none
}

#bt_backtrack,
#bt_feedback {
	font-size: .9rem;
	margin-top: 20px;
	pointer-events: auto
}

#about_cover {
	z-index: 900;
	background: #fff;
	opacity: .5
}

#about {
	z-index: 1000;
	color: #fff;
	background: #8cc;
	max-width: 640px;
	letter-spacing: .2rem;
	line-height: 1.2;
	width: 100%
}

#about_in {
	padding: 40px
}

#bt_close {
	font-size: 2rem;
	cursor: pointer
}

#about .close {
	margin-bottom: 30px
}

#about .con {
	line-height: 1.7;
	margin-bottom: 20px
}

#about .link {
	margin-top: 30px;
	margin-bottom: 10px;
	line-height: 1.5
}

#bt_back:hover,
#bt_backtrack:hover,
#bt_close:hover,
#bt_feedback:hover,
#bt_fs:hover,
#scene_top .sns:hover,
a:hover {
	animation: animover .2s linear;
	-webkit-animation: animover .2s linear
}

@keyframes animover {
	0.00% {
		opacity: 0
	}
	100% {
		opacity: 1
	}
}

@-webkit-keyframes animover {
	0.00% {
		opacity: 0
	}
	100% {
		opacity: 1
	}
}

@media (max-width:640px) {
	#scene_top h1 {
		font-size: 1.2rem;
		margin-bottom: 18px
	}
	#bt_start,
	#scene_top .tit {
		margin-bottom: 10px
	}
	#bt_about a,
	#bt_start a {
		font-size: .9rem
	}
	#scene_top .attention {
		font-size: .6rem;
		margin-top: 18px
	}
	#scene_top .tit {
		font-size: .9rem;
		margin-top: 20px
	}
	#scene_top .con {
		letter-spacing: -.5rem
	}
	#scene_top .sns {
		margin: 0 8px
	}
	#scene_top .sns img {
		width: 30px
	}
	#ng .atten {
		font-size: .6rem;
		margin-bottom: 15px
	}
	#bt_backtrack,
	#bt_feedback {
		font-size: .7rem
	}
	#about_in {
		padding: 30px
	}
	#bt_close {
		font-size: 1.8rem;
		cursor: pointer
	}
	#about {
		letter-spacing: .1rem
	}
	#about a {
		color: #fff;
		text-decoration: none;
		border-bottom: dashed 1px #fff
	}
	#about .con,
	#about .link {
		font-size: .9rem
	}
}