:root { --fg:#1f1f1f; --sub:#5c5c5c; --line:#e3ddd3; --bg:#ffffff; --cream:#faf5ec; --brown:#8a5a2b; --brownDark:#4a2f17; }
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:16px/1.85 "Yu Gothic UI","Yu Gothic","Meiryo","Segoe UI",sans-serif; -webkit-text-size-adjust:100%; word-break:auto-phrase; }
a { color:var(--brownDark); }
header { border-bottom:1px solid var(--line); }
header .inner { display:flex; align-items:center; justify-content:space-between; height:56px; }
.logo { display:flex; align-items:center; gap:8px; text-decoration:none; color:var(--brownDark); font:700 18px/1 "Segoe UI",sans-serif; letter-spacing:.06em; }
.logo img { width:24px; height:24px; }
.inner { max-width:760px; margin:0 auto; padding:0 24px; }
main { padding:40px 0 64px; }
.draft { border:1px solid #e0b28a; background:#fdf6ef; padding:10px 14px; font-size:13px; color:#7a3b0e; margin:0 0 28px; border-radius:4px; }
h1 { font-size:26px; line-height:1.45; margin:0 0 6px; }
.date { color:var(--sub); font-size:13px; margin:0 0 28px; }
h2 { font-size:18px; line-height:1.5; margin:36px 0 10px; padding-top:20px; border-top:1px solid var(--line); }
h3 { font-size:16px; margin:20px 0 6px; }
p { margin:0 0 12px; }
ol, ul { margin:0 0 12px; padding-left:1.5em; }
li { margin:4px 0; }
.pending { color:#9a3412; }
.opt { border-left:3px solid #cfc7b9; padding:2px 0 2px 16px; margin:12px 0 16px; }
.opt .label { font-size:13px; color:var(--sub); font-weight:700; margin:0 0 4px; }
table { border-collapse:collapse; width:100%; font-size:15px; margin:8px 0 16px; }
th, td { text-align:left; vertical-align:top; padding:10px 12px; border-bottom:1px solid var(--line); }
th { width:30%; font-weight:normal; color:var(--sub); }
.toc { font-size:14px; background:var(--cream); padding:12px 16px 12px 36px; border-radius:4px; }
.toc li { margin:2px 0; }
footer { border-top:1px solid var(--line); padding:20px 0 32px; font-size:13px; color:var(--sub); }
footer ul { list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap:6px 20px; }
footer a { color:var(--sub); }
@media (max-width:760px) {
  .inner { padding:0 16px; }
  main { padding:28px 0 48px; }
  h1 { font-size:22px; }
  table, tbody, tr, th, td { display:block; width:auto; }
  th { border-bottom:0; padding:10px 0 0; }
  td { padding:2px 0 10px; }
}
code { font:13px/1.4 Consolas,monospace; background:#f3efe8; padding:1px 5px; border-radius:3px; word-break:break-all; }
.small { font-size:13px; color:var(--sub); }