body{max-width:40em;margin:2em auto;padding:0 16px;background:#faf8f4;color:#222;font-family:system-ui,"Hiragino Sans","Yu Gothic UI",sans-serif;font-size:16px;line-height:1.8}
h1{font-size:1.5em;margin:0 0 .3em}
h2{font-size:1.1em;margin:1.5em 0 .3em}
ul{padding-left:1.4em;margin:.2em 0}
a{color:#1f5f8b}
a:visited{color:#6a4a8b}
hr{border:0;border-top:1px solid #ddd6c8;margin:2em 0 .5em}
.small{font-size:13px;color:#666}