protected function sendMail($formData) {
    // メール送信
    $message = \Swift_Message::newInstance()
        ->setSubject($formData['subject'])
        ->setFrom(array($this->BaseInfo->getEmail01() => $this->BaseInfo->getShopName()))
        ->setTo(array($formData['email']))
        //             ->setBcc($this->BaseInfo->getEmail01())
        ->setReplyTo($this->BaseInfo->getEmail03())
        ->setReturnPath($this->BaseInfo->getEmail04())
        ->setContentType('text/html')   // ★追加
        ->setBody($formData['body']);

    return $this->app->mail($message);
}