:root {
  --ink: #0e0e10;
  --white: #ffffff;
  --canvas: #ffffff;
  --muted: #6d6d76;
  --muted-mid: #4a4a52;
  --muted-soft: #8a8a92;
  --muted-faint: #b8b8c0;
  --text-secondary: #34343c;
  --fill: #f2f2f5;
  --surface: #f6f6f8;
  --surface-pressed: #eeeef2;
  --hairline: #e6e6ea;
  --chip: #eeeef2;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--canvas);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--muted-mid);
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 20px 72px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.mark {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: var(--fill);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand {
  flex: 1;
  min-width: 0;
}

.brand strong {
  display: block;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand span {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  gap: 6px;
}

.nav-links a {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.nav-links a:hover,
.nav-links a.is-active {
  background: var(--fill);
  color: var(--ink);
}

h1 {
  margin: 0 0 10px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.lede {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
}

.meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.group {
  margin-bottom: 22px;
}

.group-label {
  margin: 0 0 8px 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.09em;
}

.card {
  background: var(--surface);
  border-radius: 20px;
  padding: 4px;
}

.row {
  padding: 16px;
}

.row + .row {
  border-top: 1px solid var(--hairline);
  margin-top: 0;
}

.row h2 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.35;
}

.row p,
.row ul {
  margin: 0;
  color: var(--muted-mid);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
}

.row p + p {
  margin-top: 10px;
}

.row ul {
  padding-left: 18px;
}

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

.note {
  margin: 8px 6px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  margin-top: 8px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white) !important;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.cta:hover {
  background: var(--text-secondary);
  color: var(--white) !important;
}

footer {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

@media (max-width: 560px) {
  .wrap {
    padding: 22px 16px 56px;
  }

  .nav {
    flex-wrap: wrap;
  }

  h1 {
    font-size: 24px;
  }
}