【ログイン確認】セゾンカードのセキュリティ確認
<html>
<head>
<style>
body { font-family: Arial, sans-serif; }
.header { background-color: #4CAF50; color: white; padding: 10px; }
.content { padding: 20px; }
.footer { background-color: #f1f1f1; padding: 10px; text-align: center; }
</style>
</head>
<body>
<div class="header">
<h1>Rich HTML Email</h1>
</div>
<div class="content">
<p>This is a rich HTML email with styling.</p>
<p>You can customize this template as needed.</p>
</div>
<div class="footer">
<p>© 2026 Your Company</p>
</div>
</body>
</html>