:root {
  --bg: #fff;
  --fg: #000;
  --fg2: rgba(60, 60, 67, .6);
  --fill: #f2f2f7;
  --red: #ff3b45;
  --rounded: ui-rounded, "SF Pro Rounded", "Nunito", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; margin: 0; }
body {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 16px;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--rounded);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
header, main, footer { width: 100%; max-width: 680px; }
header { margin-bottom: 40px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 700; font-size: 19px; }
.brand img { width: 36px; height: 36px; filter: drop-shadow(0 4px 10px rgba(255, 30, 40, .22)); }
h1 { font: 700 clamp(30px, 6vw, 40px)/1.15 var(--rounded); margin-bottom: 8px; }
.updated { color: var(--fg2); font-weight: 600; font-size: 15px; margin-bottom: 28px; }
.summary { background: var(--fill); border-radius: 20px; padding: 20px 22px; margin-bottom: 36px; }
.summary p + p { margin-top: 8px; }
h2 { font: 700 21px/1.3 var(--rounded); margin: 36px 0 10px; }
p + p, p + ul, ul + p { margin-top: 12px; }
ul { padding-left: 22px; }
li + li { margin-top: 6px; }
strong { font-weight: 700; }
a { color: var(--red); font-weight: 600; text-decoration: none; }
a:hover { text-decoration: underline; }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--fill); display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer a { color: var(--fg2); font-size: 15px; }
footer a:hover { color: var(--fg); text-decoration: none; }
footer a[aria-current="page"] { color: var(--fg); }