html{
	height: 100%;
}
body{
	margin: 0;
	background: url("../img/index_bg.png") no-repeat center center/cover;
	position: relative;
	font-family: 'M PLUS Rounded 1c', sans-serif;
}
body:before{
	content: '';
	background: rgba(0,0,0,0.7);;
	width: 100vw;
	height: 100vh;
	position: absolute;
	top: 0;
	left: 0;
}
.close_btn{
	position: absolute;
	right: 10vw;
	top: 8vh;
	z-index: 1;
}
.close_btn a{
	padding: 30px;
	color: #fff;
	font-size: 2rem;
	display: inline-block;
}
.iframe_movie{
	position: fixed;
	width: 100%;
	height: 100%;
	overflow: hidden;
}
.iframe_movie iframe{
	width: 100%;
	height: 100%;
	max-width: 800px;
	max-height: 600px;
	display: block;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	-webkit-transform: translate(-50%, -50%);
	border: none;
}
#chapter {
	position: fixed;
	bottom: 2.5rem;
	left: 50%;
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	width: 80%;
	margin: 0;
	padding: 0;
	list-style: none;
	transform: translate(-50%, 0);
}
#chapter li {
	margin: 0.5rem 1rem;
}
#chapter li i {
	margin-right: 0.5rem;
	color: #fff;
}
#chapter li a {
	color: #fff;
	text-decoration: none;
}
#chapter li a:hover {
	text-decoration: underline;
}
/*
#chapter li a::before {
	font-family: "Font Awesome 5 Free";
	content: '\f0da';
}
*/
#chapter li.current i,
#chapter li.current a {
	color: #E6D80E;
}

@media (max-width: 1199.98px) {
	.close_btn{
		right: 0;
		top: 0;
	}
	#chapter li {
		width: calc(25% - 2rem);
	}
}
@media (max-width: 575.98px) {
	.iframe_movie iframe{
		max-width: 100%;
		max-height: 200px;
	}
	.close_btn{
		left: 0;
	}
	.close_btn a{
		font-size: 1.1rem;
		margin: 20px;
		color: #999797;
		background: #232323;
		padding: 5px 8px;
		line-height: 1;
		border-radius: 5px;
	}
	#chapter {
		width: 100%;
	}
	#chapter li {
		width: auto;
	}
}