* {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-o-box-sizing: border-box;
	-ms-box-sizing: border-box;
    box-sizing: border-box;
}
html, body {
	height: 100%;
	margin: 0;
	padding: 0;
}
img {
	width: 100%;
	height: auto;
}

#main {
	width: 100%;
	position: relative;
	margin: 0 auto;
}

#bg {
	position: relative;
	z-index: 5;
}

a {
	width: 30%;
	position: absolute;
	top: 77%;
	z-index: 10;
	display: block;
}
#hosuiku_enter {
	left: 10%;
}
#rehost_enter {
	right: 10%;
}

@media(min-width: 800px) {
	#main {
		width: 800px;
		height: 1200px;
	}
	a {
		width: 228px;
		height: 59px;
		top: 930px;
	}
	#hosuiku_enter {
		left: 70px;
	}
	#rehost_enter {
		right: 70px;
	}
}