:root {
  --green: #4D9412;
  --green-deep: #2B6608;
  --ink: #0F0F12;
  --slate: #666B63;
  --paper: #FFFFFF;
  --mist: #F7FAF5;
  --card-shadow: 0 18px 44px rgba(0, 0, 0, 0.08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --green: #75CC3D;
    --green-deep: #9EE66B;
    --ink: #F2F5F2;
    --slate: #A8B0A6;
    --paper: #212421;
    --mist: #121412;
    --card-shadow: 0 18px 44px rgba(0, 0, 0, 0.55);
  }
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  background: var(--mist);
  color: var(--ink);
  min-height: 100dvh;
  padding: 24px 20px calc(32px + env(safe-area-inset-bottom));
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
.blob { position: fixed; border-radius: 50%; filter: blur(48px); pointer-events: none; z-index: 0; }
.blob-1 { width: 340px; height: 340px; background: rgba(102, 189, 41, 0.22); top: -110px; left: -90px; }
.blob-2 { width: 300px; height: 300px; background: rgba(102, 189, 41, 0.22); bottom: -100px; right: -80px; }
.wrap { position: relative; z-index: 1; width: 100%; max-width: 720px; margin: 0 auto; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.logo-link { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 18px; }
.logo { width: 40px; height: 40px; object-fit: contain; }
.nav { display: flex; flex-wrap: wrap; gap: 12px 16px; font-size: 14px; }
.nav a { color: var(--slate); text-decoration: none; }
.nav a:hover, .nav a.active { color: var(--green-deep); }
.card {
  background: var(--paper);
  border-radius: 24px;
  box-shadow: var(--card-shadow);
  padding: 32px 28px;
}
h1 { font-size: 28px; font-weight: 700; letter-spacing: -0.4px; margin-bottom: 8px; }
.meta { color: var(--slate); font-size: 14px; margin-bottom: 28px; }
h2 { font-size: 18px; font-weight: 700; margin: 28px 0 10px; color: var(--green-deep); }
h2:first-of-type { margin-top: 0; }
p, li { font-size: 16px; margin-bottom: 12px; }
ul, ol { padding-left: 22px; margin-bottom: 12px; }
a { color: var(--green-deep); }
.foot { margin-top: 24px; text-align: center; font-size: 13px; color: var(--slate); }
.foot a { color: var(--slate); }