/* プライバシーポリシー・利用規約・サポート（LP と同じ色・文字・ヘッダー/フッター。本文は読みやすさ優先） */
:root{
  --bg:#FFFFFF; --ink:#10272C; --sub:#4E5D60; --muted:#7F8C8E; --line:#E3E8E8;
  --teal:#0E7F89; --card:#F8F7F3;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0D1C1F; --ink:#EEF4F3; --sub:#B3C2C3; --muted:#869597; --line:#24373A;
    --teal:#4CC3CA; --card:#13272B;
  }
}
:root[data-theme="dark"]{
  --bg:#0D1C1F; --ink:#EEF4F3; --sub:#B3C2C3; --muted:#869597; --line:#24373A;
  --teal:#4CC3CA; --card:#13272B;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",sans-serif;
  font-size:16px;line-height:1.9;letter-spacing:.02em;-webkit-font-smoothing:antialiased;overflow-wrap:anywhere}
a{color:var(--teal)}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}

.top{position:sticky;top:0;z-index:20;background:#0A5A63;color:#fff}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;max-width:1180px}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-weight:800;font-size:15px;letter-spacing:.06em;white-space:nowrap}
.brand img{width:30px;height:30px;border-radius:8px}
.top-link{color:inherit;text-decoration:none;font-weight:700;font-size:13px;letter-spacing:.06em;padding:10px 0;opacity:.9}

.doc{padding:36px 0 72px}
.doc h1{margin:0;font-size:30px;line-height:1.4;font-weight:800;letter-spacing:.03em}
.doc .updated{margin:8px 0 0;font-size:13px;color:var(--muted)}
.doc h2{margin:40px 0 0;padding-top:28px;border-top:1px solid var(--line);font-size:19px;line-height:1.6;font-weight:800;letter-spacing:.03em}
.doc p,.doc li{color:var(--sub);font-size:15.5px;line-height:1.95}
.doc p{margin:14px 0 0}
.doc ul{margin:14px 0 0;padding-left:1.3em}
.doc li+li{margin-top:6px}
.doc strong{color:var(--ink);font-weight:700}
.doc a{font-weight:700}
.doc .card{margin:24px 0 0;padding:6px 20px 20px;border-radius:20px;background:var(--card)}

footer{border-top:1px solid var(--line);padding:28px 0 40px;font-size:12.5px;color:var(--muted)}
footer nav{display:flex;flex-wrap:wrap;gap:4px 22px;margin-bottom:12px}
footer nav a{color:var(--ink);text-decoration:none;font-weight:700;font-size:13px;padding:4px 0}
footer nav a[aria-current]{color:var(--teal)}
footer p{margin:0}

@media (min-width:900px){
  .doc{padding:64px 0 110px}
  .doc h1{font-size:36px}
  .doc h2{font-size:20px}
}