:root {
  --bg: #FBF7F0; --bg-2: #F1E9DA;
  --text: #2B2622; --text-2: #6B6257;
  --accent: #B5651D; --line: rgba(43, 38, 34, 0.12);
  --serif: Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: var(--serif); color: var(--text);
  background: linear-gradient(160deg, var(--bg), var(--bg-2));
  background-attachment: fixed; line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 24px; }
nav {
  position: sticky; top: 0; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  background: rgba(251, 247, 240, 0.75); border-bottom: 1px solid var(--line);
}
.nav-inner { max-width: 720px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.logo-mark {
  width: 30px; height: 30px; border-radius: 7px;
  background: linear-gradient(135deg, #FBF7F0, #EEE2D0); border: 1px solid var(--line);
  display: grid; place-items: center; font-weight: 700; font-size: 17px;
}
.logo-name { font-size: 17px; font-weight: 700; }
.back { font-family: var(--sans); font-size: 14px; color: var(--text-2); text-decoration: none; }
main { padding: 56px 0 80px; }
h1 { font-size: 34px; letter-spacing: -0.015em; margin-bottom: 8px; }
.updated { font-family: var(--sans); font-size: 13px; color: var(--text-2); margin-bottom: 36px; }
h2 { font-size: 21px; margin: 36px 0 10px; }
p, li { font-size: 16px; color: var(--text); }
p + p { margin-top: 12px; }
ul { padding-left: 22px; margin: 10px 0; }
a { color: var(--accent); }
.placeholder {
  background: rgba(181, 101, 29, 0.08); border: 1px dashed rgba(181, 101, 29, 0.4);
  border-radius: 10px; padding: 12px 16px; font-family: var(--sans); font-size: 14px;
  color: var(--text-2); margin: 12px 0;
}
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; }
.footer-inner { max-width: 720px; margin: 0 auto; padding: 0 24px; font-family: var(--sans); font-size: 13px; color: var(--text-2); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-inner a { color: var(--text-2); text-decoration: none; margin-left: 18px; }