領収書アプリ 「REGITAN」Branding - Work クライアント:新日設機工 紙を一切使わない領収書の作成~発行・受取まで、全てスマホ上で完結する領収書発行・受取アプリ。 A receipt issuing and receiving app that allows you to create, issue, and receive receipts without using any paper at all, all on your smartphone.