/* Shared style for Syngularail document pages (privacy / terms / support). */
:root{
  --bg:#f5f6f9; --surface:#ffffff; --fg:#161a24; --muted:#5a6173; --line:#dde1ea; --accent:#2a5bd7;
  --display:"Unbounded","Avenir Next","Helvetica Neue",sans-serif;
  --body:"Zen Kaku Gothic New","Hiragino Sans","Noto Sans JP",system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){:root{--bg:#0d0f17;--surface:#151827;--fg:#e8eaf2;--muted:#9aa1b6;--line:#272b3d;--accent:#8fb4ff;color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.85;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.wrap{max-width:760px;margin:0 auto;padding-block:32px 72px}
header.site{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:40px}
header.site a{color:var(--fg);text-decoration:none;font-family:var(--display);font-weight:600;font-size:15px}
header.site a small{color:var(--muted);font-weight:400;font-size:11px;letter-spacing:.14em;margin-left:6px}
nav.lang a{font-family:var(--body);font-weight:500;font-size:13px;color:var(--muted);margin-left:12px}
h1{font-family:var(--display);font-weight:600;font-size:clamp(26px,5vw,34px);line-height:1.3;margin:0 0 8px;text-wrap:balance}
.meta{color:var(--muted);font-size:13px;margin:0 0 32px}
h2{font-size:19px;margin:36px 0 8px;padding-top:12px;border-top:1px solid var(--line)}
p,li{max-width:42em}
ul,ol{padding-left:1.3em}
a{color:var(--accent)}
.box{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:16px 0}
.mail{font-family:ui-monospace,Menlo,monospace;font-size:15px;user-select:all}
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:10px 0}
summary{cursor:pointer;font-weight:700}
footer.site{margin-top:64px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;display:flex;gap:18px;flex-wrap:wrap}
footer.site a{color:inherit}
.en{margin-top:56px}