:root {
	--head-h: 74px;
}

main {
	max-width: 800px;
	margin: auto;
}

header {
	background: var(--bn);
	position: fixed;
	height: var(--head-h);
	width: 100%;
	top: 0;
	left: 0;
	z-index: 9999;
	box-shadow: 4px 4px 16px 4px rgba(0, 0, 0, 0.03);
}

header h1 {
	padding: 6px 12px;
	font-family: Uchiyama;
	font-size: 3.4rem;
	background: -webkit-linear-gradient(var(--r), var(--ng));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	user-select: none;
}

header nav {
	position: absolute;
	bottom: 50%;
	right: 20px;
	transform: translate(0, 50%);
}

header li {
	display: inline-block;
	padding: 4px 8px 6px 8px;
	border: 1px solid var(--ng);
	margin-left: 10px;
}

header li:hover {
	background: var(--ng);
	color: var(--bn);
}

footer {
	height: 100px;
	text-align: right;
	padding: 20px;
}

footer svg {
	height: 80%;
	position: absolute;
	left: 20px;
	top: 10px;
}

h2 {
	font-size: 3rem;
	margin-top: 20px;
}

.h2-n {
	color: var(--bn);
	text-align: center;
}

@media screen and (max-width: 900px) {
	:root {
		--head-h: 40px;
	}

	header {
		width: 100vw;
	}

	header h1 {
		font-size: 1.4rem;
		display: inline-block;
	}

	header nav {
		font-size: 0.9rem;
	}

	header nav ul {
		display: inline;
	}

	header nav li {
		border: none;
		margin: 0;
	}
}

@media screen and (max-width: 450px) {
	:root {
		--head-h: 30px;
	}

	header h1 {
		font-size: 1rem;
	}

	header * {
		text-align: center;
		width: 100%;
	}

	header nav {
		bottom: 4px;
		transform: none;
		width: 100%;
		left: 0;
		top: var(--head-h);
	}

	header nav ul {
		display: block;
		background-color: var(--bone);
		overflow-x: auto;
		width: 100%;
		height: var(--head-h);
		background-color: var(--bn);
		border-bottom: 1px solid #ddd;
	}

	header nav li {
		width: auto;
		display: inline;
		border: none;
		padding: 0;
		margin: 0;
	}

	header nav a {
		padding: 0 8px;
		font-size: 1rem;
	}
}