<!DOCTYPE html>
<html lang="ja">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="static/css/style.css">

    <!-- タイトル -->
    <title>Flaskサンプル-{% block title %}{% endblock %}</title>  
</head>

<!-- コンテンツ内容 -->
<body>
    {% block content %}
    {% endblock %}
</body>

</html>