:root { --bg:#fbfbfe; --fg:#171826; --fg2:#5b5e73; --line:#e6e7ef; --accent:#6d4cff; --soft:#efeaff; --card:#fff; }
@media (prefers-color-scheme: dark) { :root { --bg:#101117; --fg:#ecedf5; --fg2:#a6a9bf; --line:#2a2b38; --accent:#8b6dff; --soft:#2c2452; --card:#16171e; } }
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif; background: var(--bg); color: var(--fg); line-height: 1.85; font-size: 16px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 24px 20px 60px; }
header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 30px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; text-decoration: none; color: var(--fg); }
.logo { width: 26px; height: 26px; border-radius: 8px; background: linear-gradient(135deg, var(--accent), #b98cff); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; }
h1 { font-size: 28px; line-height: 1.4; margin: 0 0 8px; }
.meta { color: var(--fg2); font-size: 13px; margin-bottom: 26px; }
h2 { font-size: 21px; margin: 40px 0 10px; border-left: 4px solid var(--accent); padding-left: 12px; }
h3 { font-size: 17px; margin: 26px 0 6px; }
a { color: var(--accent); }
code { font-family: ui-monospace, Menlo, monospace; font-size: 14px; background: var(--soft); padding: 2px 6px; border-radius: 5px; }
pre { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; overflow-x: auto; font-size: 13.5px; line-height: 1.6; }
pre code { background: none; padding: 0; }
.cta { margin: 36px 0; padding: 20px 22px; border: 1px solid var(--accent); border-radius: 14px; background: var(--card); }
.cta h3 { margin: 0 0 6px; }
.cta p { margin: 0 0 12px; color: var(--fg2); font-size: 14.5px; }
.btn { display: inline-block; padding: 10px 18px; border-radius: 10px; background: var(--accent); color: #fff; text-decoration: none; font-weight: 700; font-size: 14px; }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; } th, td { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: left; vertical-align: top; } th { color: var(--fg2); font-weight: 600; }
img { max-width: 100%; border-radius: 10px; border: 1px solid var(--line); }
footer { border-top: 1px solid var(--line); margin-top: 40px; padding-top: 18px; color: var(--fg2); font-size: 13px; }
.toc { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 18px; font-size: 14px; } .toc ol { margin: 6px 0 0; padding-left: 20px; }