body{margin:0;font-family:system-ui,-apple-system,"Hiragino Sans","Noto Sans JP","Yu Gothic",sans-serif;color:#202124;line-height:1.8;background:#fff}
main{max-width:720px;margin:0 auto;padding:24px 20px 64px}
h1{font-size:24px;line-height:1.4;margin:8px 0 4px}
h2{font-size:17px;margin:32px 0 8px;padding-top:16px;border-top:1px solid #e0e3e7}
p,li{font-size:15px}
a{color:#1a73e8}
.sub{color:#5f6368;font-size:13px}
.button{display:inline-block;margin:8px 0;padding:12px 22px;border-radius:24px;background:#1a73e8;color:#fff;font-weight:700;text-decoration:none}
table{border-collapse:collapse;width:100%;font-size:14px}
td,th{border:1px solid #e0e3e7;padding:8px;text-align:left;vertical-align:top}
header{background:#1a73e8;color:#fff;padding:14px 20px;font-weight:800;font-size:18px}
header a{color:#fff;text-decoration:none}
footer{margin-top:40px;font-size:13px;color:#5f6368}