body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;background:#fff;color:#222;text-align:center}
main{padding:48px 20px;max-width:420px;margin:0 auto;line-height:1.8}
p{margin:0 0 24px;font-size:15px}
a.btn{display:inline-block;background:#06c755;color:#fff;font-weight:bold;text-decoration:none;padding:14px 48px;border-radius:999px;font-size:16px}
.qr{margin:40px auto}.qr svg{display:block;width:240px;height:240px;margin:0 auto;shape-rendering:crispEdges}