/* Hakoly 公開サイト共通スタイル。外部フォント・外部CDNは使わない（審査時に読み込み失敗で見え方が崩れるのを避ける）。 */
:root {
  --bg: #ffffff;
  --fg: #16181d;
  --muted: #5b6472;
  --line: #e3e6ec;
  --card: #f7f8fa;
  --accent: #1f6feb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --fg: #e8eaed;
    --muted: #9aa3b2;
    --line: #262a33;
    --card: #171a20;
    --accent: #5b9cff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Segoe UI", sans-serif;
  line-height: 1.8;
  font-size: 16px;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header.site { border-bottom: 1px solid var(--line); padding: 18px 0; }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { font-weight: 700; font-size: 18px; text-decoration: none; color: var(--fg); display: flex; align-items: center; gap: 9px; }
.brand img { border-radius: 6px; display: block; }
.brand span { color: var(--muted); font-weight: 400; font-size: 14px; margin-left: 8px; }
nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-size: 14px; }
nav a:hover { color: var(--fg); }
main { padding: 40px 0 64px; }
h1 { font-size: 30px; line-height: 1.45; margin: 0 0 16px; letter-spacing: .01em; }
h2 { font-size: 20px; margin: 40px 0 12px; padding-top: 8px; border-top: 1px solid var(--line); }
h3 { font-size: 16px; margin: 24px 0 8px; }
p { margin: 0 0 16px; }
ul, ol { margin: 0 0 16px; padding-left: 22px; }
li { margin-bottom: 6px; }
a { color: var(--accent); }
.lead { font-size: 18px; color: var(--muted); margin-bottom: 28px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; margin: 0 0 20px; }
.card h3 { margin-top: 0; }
table { width: 100%; border-collapse: collapse; margin: 0 0 20px; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }
code { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; font-size: 13px; word-break: break-all; }
.meta { color: var(--muted); font-size: 14px; }
footer.site { border-top: 1px solid var(--line); padding: 24px 0 48px; color: var(--muted); font-size: 14px; }
footer.site a { color: var(--muted); }
.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li { counter-increment: step; position: relative; padding-left: 38px; margin-bottom: 14px; }
.steps li::before {
  content: counter(step);
  position: absolute; left: 0; top: 2px;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}