@charset "utf-8";
/* CSS Document */

/*リンク*/
a:link {
	text-decoration: none;
	color: white;
	text-decoration: none;
}

a:visited {
	text-decoration: none;
	color: white;
}

a:hover {
	color: white;
}

a:active {
	text-decoration: none;
	color: white;
}

* {
	box-sizing: border-box;
}

a:hover img {
	opacity: 0.8;
	filter: alpha(opacity=80);
	-moz-opacity: 0.8;
	-webkit-transition: all 0.7s ease;
	-moz-transition: all 0.7s ease;
	-o-transition: all 0.7s ease;
	transition: all 0.7s ease;
}

.select_language {
    position: fixed;
    top: 25px;
    left: 5px;
    z-index: calc(infinity);
    transition: 0.3s ease;
}

.select_language select {
	width: 120px;
	height: 36px;
	border-radius: 9px;
	padding: 0 10px;
	background: rgba(255, 255, 255, 0.84);
	border-color: #1d0000;
	color: #1d0000;
	font-size: 15px;
}

.select_language.move {
	top: 0;
	transition: 0.3s ease;
}

html {
	overscroll-behavior: none;
	/*scroll-behavior: smooth;*/
	margin: 0 auto;
}


img {
	width: 100%;
	height: auto;
	display: block;
}

body {
	min-width: 320px;
	word-wrap: break-word;
	padding: 0;
	margin: 0 auto;
	color: white;
	overflow-x: hidden;
	font-family: SimSun, serif;
	font-style: normal;
	background: black;
}

.yahei {
	font-family: Microsoft YaHei;
}

#wrapper {
	max-width: 640px;
	width: 100%;
	height: auto;
	margin: 0 auto;
}

h1 {
	width: 100%;
	height: 48px;
	text-align: center;
	font-size: 24px;
	line-height: 48px;
}
  
header {
	width: 100%;
	height: 653px;
	background: url(../images/enter/enter_img.jpg) center bottom no-repeat;
	background-size: 100% auto;
}


header #logo {
	width: 526px;
	height: 352px;
	margin: 122px auto 33px;
	position: relative;
}

header #logo::after {
	content: "";
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	background: url(../images/enter/logo_light.png) center top no-repeat;
	background-size: 100% auto;
	mix-blend-mode: screen;
}

#entrance_text {
	font-size: 32px;
	text-align: center;
	text-shadow:0 0 12px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000,0 0 4px #000;
}

#entrance_btn {
	width: 519px;
	height: auto;
	margin: 0 auto;
}

#entrance_btn .btn {
	width: 100%;
	height: auto;
	position: relative;
	margin-bottom: 20px;
}

#entrance_btn .btn img {
	transition: all 0.7s ease;
}

#entrance_btn .btn::after {
	content: "";
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	background: url(../images/enter/btn_light.png) center top no-repeat;
	background-size: 100% auto;
	mix-blend-mode: screen;
	pointer-events: none;
}

#notice {
	width: 100%;
	background: url(../images/enter/r18.png) center top no-repeat;
	margin: 0 auto 70px;
	font-size: 24px;
	color: #fdf2df;
	text-align: center;
	padding-top: 88px;
}

#contents_wrapper {
	width: 100%;
	height: auto;
	background: #110000;
	padding: 65px 0;
}

footer {
	width: 100%;
	height: 128px;
	background: url(../images/enter/footer_img.jpg) center top no-repeat;
	background-size: 100% auto;
	display: flex;
	justify-content: center;
	align-items: center;
}

footer #copy {
	font-size: 20px;
	text-align: center;
	font-family: "Noto Serif JP", serif;
	font-style: normal;
}


@media screen and (max-width: 640px) {

	header {
		height: 102.03vw;
		background-size: 100% 94.53vw;
	}

	header h1 {
		height: 7.5vw;
		font-size: 3.75vw;
		line-height: 7.5vw;
	}

	header #logo {
		width: 82.18vw;
		height: auto;
		margin: 19.25vw auto 5.15vw;
	}
	
	#entrance_text {
		margin: 20px;
		font-size: 5vw;
		text-shadow:0 0 12px #000,0 0 0.62vw #000,0 0 0.62vw #000,0 0 0.62vw #000,0 0 0.62vw #000,0 0 0.62vw #000,0 0 0.62vw #000,0 0 0.62vw #000,0 0 0.62vw #000,0 0 0.62vw #000,0 0 0.62vwx #000,0 0 0.62vw #000,0 0 0.62vw #000,0 0 0.62vw #000,0 0 0.62vw #000,0 0 0.62vw #000;
	}
	
	#entrance_btn {
		width: 81.09vw;
		margin-bottom: 3.12vw;
	}
	
	#notice {
		background: url(../images/enter/r18.png) center top no-repeat;
		background-size: 9.06vw 8.9vw;
		margin: 0 auto 10.93vw;
		font-size: 3.75vw;
		padding-top: 13.75vw;
	}
	
	#contents_wrapper {
		padding: 10.15vw 0;
	}
	
	footer {
		height: 20vw;
	}
	
	footer #copy {
		font-size: 3.12vw;
	}
}