body {
	font-family:
		"Jost",
 		"M PLUS 2",
		"Yu Gothic UI",
		sans-serif;
}

header{
	text-align:center;
}

main{
	text-align:center;
}

footer{
	text-align:center;
}

.top-menu{
	display: flex;
	flex-direction: column;
	gap: 12px;
	
	width: min(100%, 360px);
	padding: 0 16px;
	margin: 0 auto;
	box-sizing: border-box;
}

.top-menu-btn{
	display:inline-flex;
	align-items: center;
	justify-content: center;
	
	padding: 0.75em 1.5em;
	border: 1px solid #000;
	border-radius: 0;
	background: transparent;
	
	color: #000;
	text-decoration: none;
	
	transition:
		background-color 0.15s ease,
		color 0.15s ease;
}

.top-menu-btn:hover,
.top-menu-btn:active{
	background: #000;
	color: #fff;
}

.top-menu-btn:focus-visible{
	outline: none;
	background: #000;
	color: #fff;
}