:root{color-scheme:light;font-family:"Helvetica Neue","Noto Sans JP",system-ui,sans-serif}
body{margin:0;min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,#f3f6f3,#e8eee9);color:#1f2a23}
.card{width:min(380px,calc(100% - 32px));padding:28px 24px;border-radius:18px;background:#fff;border:1px solid #dfe7e1;box-shadow:0 20px 60px rgba(27,43,33,.12);display:grid;justify-items:center;gap:12px;text-align:center}
.brand{display:flex;align-items:center;gap:10px}
.mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#1f563d;color:#fff;font-weight:800}
h1{margin:6px 0 0;font-size:19px}
p{margin:0;color:#56625a;font-size:14px;line-height:1.7}
.google-button{min-height:44px;display:grid;place-items:center}
.cancel{border:0;background:none;color:#56625a;font-size:13px;text-decoration:underline;cursor:pointer}
[data-state="error"] h1{color:#9b3b3b}
.detail{margin:4px 0 0;padding:8px 10px;border-radius:8px;background:#f5f7f5;color:#56625a;font:12px/1.6 ui-monospace,Menlo,monospace;word-break:break-all;justify-self:stretch;text-align:left}