:root {
  color-scheme: light;
  --ink: #14221b;
  --muted: #536159;
  --line: #d7e2da;
  --paper: #fbfdfb;
  --panel: #ffffff;
  --accent: #176b46;
  --accent-soft: #e6f4ec;
}

* { box-sizing: border-box; }

html { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.65;
}

header, main, footer {
  width: min(760px, calc(100% - 40px));
  margin-inline: auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 10px;
  background: var(--accent);
  color: white;
  font-size: 19px;
}

nav { display: flex; gap: 18px; }
nav a, footer a { color: var(--accent); text-underline-offset: 4px; }

main { padding: 72px 0 80px; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -0.055em;
}

.lede {
  max-width: 660px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 1.18rem;
}

.notice {
  margin: 42px 0;
  padding: 22px 24px;
  border: 1px solid #b8d8c6;
  border-radius: 16px;
  background: var(--accent-soft);
}

h2 {
  margin: 48px 0 12px;
  font-size: 1.45rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

p, ul { max-width: 700px; }
ul { padding-left: 22px; }
li + li { margin-top: 8px; }

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 44px;
}

.fact {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.fact strong { display: block; margin-bottom: 6px; }
.fact span { color: var(--muted); font-size: 0.95rem; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 640px) {
  header, footer { align-items: flex-start; flex-direction: column; }
  main { padding-top: 52px; }
  .facts { grid-template-columns: 1fr; }
}