:root {
  --bg: #f6f8ef;
  --surface: #ffffff;
  --ink: #1e2a4a;
  --muted: #5d6680;
  --line: #e2e6d8;
  --accent: #2f9e57;
  --accent-ink: #ffffff;
  --accent-soft: #e3f4e6;
  --link: #227a44;
  --radius: 18px;
  --shadow: 0 6px 24px rgba(30, 42, 74, 0.08);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161f;
    --surface: #1b2130;
    --ink: #eef1f7;
    --muted: #a7b0c4;
    --line: #2b3346;
    --accent: #4cc477;
    --accent-ink: #0d1a12;
    --accent-soft: #1f3a2a;
    --link: #74d69a;
    --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--link); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; flex-wrap: wrap; }
.brand { font-weight: 800; text-decoration: none; color: var(--ink); letter-spacing: -0.01em; }
nav.top { display: flex; gap: 16px; flex-wrap: wrap; font-size: 15px; }
nav.top a { text-decoration: none; color: var(--muted); }
nav.top a:hover, nav.top a[aria-current="page"] { color: var(--ink); }

.hero { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; padding: 48px 0 32px; }
.hero h1 { font-size: clamp(34px, 6vw, 52px); line-height: 1.1; margin: 0 0 14px; letter-spacing: -0.02em; }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 24px; max-width: 34em; }
.hero img.shot { width: 100%; max-width: 380px; justify-self: center; border-radius: 28px; box-shadow: var(--shadow); border: 6px solid var(--surface); aspect-ratio: 4 / 5; object-fit: cover; }
.cta { display: inline-flex; align-items: center; gap: 10px; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 700; padding: 14px 22px; border-radius: 14px; }
.cta:hover { filter: brightness(1.05); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 8px 0 40px; }
.grid3 h3 { margin: 0 0 6px; font-size: 18px; }
.grid3 p { margin: 0; color: var(--muted); font-size: 15px; }

.download { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; margin-bottom: 48px; }
.download img { width: 200px; height: 200px; border-radius: 12px; background: #fff; padding: 6px; }
.download h2 { margin: 0 0 8px; }
.download p { margin: 0 0 16px; color: var(--muted); }

main.doc { padding: 32px 0 56px; }
main.doc .card { padding: 28px 24px; }
main.doc h1 { font-size: clamp(28px, 5vw, 38px); line-height: 1.15; margin: 0 0 4px; }
main.doc .updated { color: var(--muted); margin: 0 0 24px; font-size: 15px; }
main.doc h2 { font-size: 21px; margin: 28px 0 8px; }
main.doc p, main.doc li { max-width: 46em; }
main.doc ul { padding-left: 22px; }
.note { background: var(--accent-soft); border-radius: 12px; padding: 14px 16px; }

footer.site { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 14px; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 8px 16px; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; gap: 28px; padding-top: 32px; }
  .hero img.shot { max-width: 300px; }
  .grid3 { grid-template-columns: 1fr; }
  .download { grid-template-columns: 1fr; justify-items: center; text-align: center; }
}