The operator of the Mos Burger chain will start recruiting skilled foreign workers to help restaurants cope with Japan’s labor shortage, officials of the fast food company have said, in a rare move for the sector. Mos Food Services Inc. will first introduce workers with skilled worker visas to its franchisees nationwide, with an eye to expanding the business to restaurants outside the group in the future, the officials said. Potential new hires will receive training required to work in the Mos Burger chain, such as how to speak to customers and handle ingredients, at an educational institution…