:root {
  --bg: #fff;
  --ink: #1a1a1a;
  --muted: #8a8a8a;
  --rule: #e6e6e6;
  --serif: "Newsreader", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--ink); font: 400 15px/1.55 var(--serif); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--muted); }

header, footer { display: flex; justify-content: space-between; padding: 18px 16px; font-size: 14px; }
header nav a { margin-left: 18px; }
header nav a.on { color: var(--muted); }
footer { color: var(--muted); font-size: 12px; padding-top: 80px; }

article { max-width: 680px; margin: 0 auto; padding: 90px 16px 0; }
.back { font: 12px var(--mono); color: var(--muted); display: inline-block; margin-bottom: 48px; }
article h1 { font-weight: 400; font-size: 32px; line-height: 1.2; margin-bottom: 14px; }
.meta { font: 12px var(--mono); color: var(--muted); margin-bottom: 56px; }
.meta span + span::before { content: " · "; }

.body p { font-size: 18px; line-height: 1.65; margin-bottom: 1.1em; }
.body h2 { font-weight: 400; font-style: italic; font-size: 20px; margin: 2em 0 .8em; }
.body blockquote { margin: 1.4em 0 1.4em 1.6em; color: #444; }
.body blockquote p { font-size: 16.5px; }
sup a { font: 10.5px var(--mono); color: var(--muted); padding: 0 1px; }

.notes { margin-top: 64px; padding-top: 18px; border-top: 1px solid var(--rule); }
.notes h3 { font: 11px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 400; margin-bottom: 18px; }
.notes ol, .notes ul { padding-left: 1.4em; }
.notes ul { list-style: none; padding-left: 0; }
.notes li { font-size: 13.5px; line-height: 1.5; color: #555; margin-bottom: .6em; overflow-wrap: anywhere; }
.notes ul li { padding-left: 1.6em; text-indent: -1.6em; }
.notes li a.ret { font: 11px var(--mono); color: var(--muted); margin-left: 4px; }

.pager { display: flex; justify-content: space-between; gap: 24px; margin-top: 64px; padding-top: 18px; border-top: 1px solid var(--rule); font-size: 14px; }
.pager span { display: block; font: 11px var(--mono); color: var(--muted); margin-bottom: 4px; }
.pager .next { text-align: right; }

@media (max-width: 720px) {
  article { padding-top: 50px; }
  article h1 { font-size: 26px; }
  .body p { font-size: 17px; }
}