:root{
      --content-w: min(1100px, 92vw);
      --nav-h: 64px;
    }

    body{
      margin:0;
      font-family:system-ui,-apple-system,"Segoe UI","Noto Sans JP",sans-serif;
      color:#2e2e2e;
      background:#f7f7f5;
    }