:root {
  color-scheme: dark;
  --bg: #090909;
  --panel: #171717;
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --line: #2a2a2d;
  --blue: #5ac8fa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: #090909;
  color: var(--text);
  font: 17px/1.62 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

.document {
  width: min(780px, calc(100% - 40px));
  margin: 0 auto;
  padding: 54px 0 84px;
}

.back {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--muted);
  font-weight: 750;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 8vw, 64px);
  line-height: 0.96;
  letter-spacing: -0.045em;
  font-weight: 850;
}

.effective {
  margin-top: 18px;
  color: var(--muted);
  font-weight: 700;
}

h2 {
  margin: 42px 0 10px;
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

h3 {
  margin: 28px 0 8px;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p, li {
  color: #d7d7dc;
  font-weight: 560;
}

ul {
  padding-left: 24px;
}

li + li {
  margin-top: 6px;
}

@media (max-width: 560px) {
  .document { padding-top: 38px; }
}