html {
	line-height: 2em;
	font-family: "Noto Sans JP",ui-sans-serif,-apple-system,BlinkMacSystemFont,"Hiragino Sans","ヒラギノ角ゴシック","Segoe UI","メイリオ",Meiryo,sans-serifsans-serif;
	font-size: medium;
	-webkit-text-size-adjust: none;
	text-size-adjust: none;
}

body {
	max-width: 40em;
	margin: 0 auto;
	padding: 1em;
}

p {
	text-indent: 1em;
	margin: 0;
}

code {
	background: #eee;
	margin: 0 .25em;
	padding: 0 .25em;
}

pre {
	background: #eee;
	line-height: 1.25em;
}
pre code {
	background: transparent;
}

nav, footer {
	margin: 2em 0;
}

img {
	max-width: 100%;
}