:root {
  --bg: #ffffff;
  --fg: #1d1d1f;
  --muted: #86868b;
  --line: #e5e5e7;
  --link: #0066cc;
  --mark: rgba(255, 196, 0, 0.22);
  --maxw: 700px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1c1e;
    --fg: #f5f5f7;
    --muted: #98989d;
    --line: #38383a;
    --link: #2997ff;
    --mark: rgba(255, 196, 0, 0.28);
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
  color: var(--fg);
  background: var(--bg);
  padding: 28px 20px 80px;
}

main { max-width: var(--maxw); margin: 0 auto; }

.site-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 14px;
  margin-bottom: 40px;
}
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover { color: var(--fg); }
.site-nav a[aria-current="page"] { color: var(--fg); font-weight: 600; }

h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.021em;
  margin-bottom: 6px;
}
.updated { font-size: 14px; color: var(--muted); margin-bottom: 4px; }
.intro { font-size: 16px; margin: 18px 0 4px; }

h2 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 36px 0 10px;
}
h3 { font-size: 16px; font-weight: 600; margin: 24px 0 8px; }

p, li { font-size: 16px; margin-bottom: 12px; }
ul { padding-left: 22px; margin-bottom: 16px; }
li { margin-bottom: 6px; }
a { color: var(--link); }
strong { font-weight: 600; }

.app-notes h3:first-of-type { margin-top: 10px; }

.placeholder {
  background: var(--mark);
  padding: 0 4px;
  border-radius: 3px;
  font-style: normal;
}

.footer {
  margin-top: 60px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

/* ---- home (index.html) ---- */
.hero {
  background: #2d2d30;
  border-radius: 22px;
  padding: 48px 28px 38px;
  text-align: center;
  margin-bottom: 38px;
}
.hero h1 {
  color: #ffffff;
  font-size: clamp(28px, 7vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin: 0;
}
.hero .tagline {
  color: rgba(245, 245, 247, 0.66);
  font-size: 16px;
  margin: 14px 0 0;
}
.hero img {
  display: block;
  width: 100%;
  max-width: 540px;
  height: auto;
  margin: 30px auto 22px;
}
.hero .series {
  font-size: 12px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: rgba(245, 245, 247, 0.5);
  margin: 0;
}
.apps { margin: 14px 0 6px; }
.app {
  border-left: 4px solid var(--c, #888);
  padding: 2px 0 2px 16px;
  margin-bottom: 22px;
}
.app h3 {
  margin: 0;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.app h3::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--c, #888);
  display: inline-block;
  flex: none;
}
.app .role {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin: 4px 0 8px;
}
.app .desc { margin: 0 0 8px; }
.app .store { margin: 0; font-size: 14px; }