You can contact the selected Embassy via phone calling the following number (507)263-6155 or visit the institution physically here Calle 50 y 60E, Obarrio, Apartado No. 1411, Republica de Panama. You can also apply for the Japanese e-Visa online following a quick and intuitive 3-step application process that requires no visits to the Embassy.
Visa to JapanJapan Electronic Travel Authorization