:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #1b1f24;
  --muted: #59636e;
  --line: #d9dee3;
  --accent: #0e8597;
  --accent-text: #ffffff;
  --code-bg: #eef1f4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121417;
    --surface: #1b1e22;
    --text: #e6e8eb;
    --muted: #9aa4ae;
    --line: #2c3137;
    --accent: #22b8cc;
    --accent-text: #0b1214;
    --code-bg: #1f2328;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.top { display: flex; align-items: center; justify-content: space-between; padding-top: 20px; padding-bottom: 20px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; }
.gh { color: var(--muted); text-decoration: none; font-weight: 600; }
.gh:hover { color: var(--text); }
h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.15; margin: 32px 0 20px; letter-spacing: -0.02em; max-width: 18em; }
h2 { font-size: 24px; margin: 56px 0 16px; }
.points { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 12px; max-width: 46em; }
.points li { padding-left: 18px; border-left: 3px solid var(--accent); color: var(--muted); }
.points strong { color: var(--text); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 32px; }
.button { display: inline-block; padding: 10px 18px; border-radius: 8px; background: var(--accent); color: var(--accent-text); font-weight: 600; text-decoration: none; }
.button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.shot { margin: 0; }
.shot img { border: 1px solid var(--line); border-radius: 10px; }
.shot figcaption { color: var(--muted); font-size: 15px; margin-top: 8px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); gap: 28px; }
pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; overflow-x: auto; font-size: 15px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
p code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; font-size: 0.9em; overflow-wrap: anywhere; }
.plain { padding-left: 20px; max-width: 46em; }
.plain li { margin-bottom: 8px; }
.notice > p { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; max-width: 46em; }
.foot { margin-top: 64px; padding-top: 24px; padding-bottom: 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; }
@media (max-width: 480px) {
  pre { font-size: 13px; }
}