$this['security.access_rules'] = array(
    array("^/{$this['config']['admin_route']}/login", 'IS_AUTHENTICATED_ANONYMOUSLY'),
    array("^/{$this['config']['admin_route']}", 'ROLE_ADMIN'),
    array('^/mypage/login', 'IS_AUTHENTICATED_ANONYMOUSLY'),
    array('^/mypage/withdraw_complete', 'IS_AUTHENTICATED_ANONYMOUSLY'),
    array('^/mypage/change', 'IS_AUTHENTICATED_FULLY'),
    array('^/mypage', 'ROLE_USER'),
    array('^/', 'ROLE_USER'), // 追加
);