body {margin: 0;}
img {width: 100%;}

#wrap {
	width: 100%;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	background: url("../img/index_background.png") no-repeat 0 0 / cover;
}

.img_wrap {
	width: 17rem;
}

a {
	display: block;
	width: 20rem;
	margin-top: 4rem;
}