Core Viewpoint - Japanese retailers are increasingly relaxing their dress codes, particularly regarding hair color and personal grooming, in response to a tight labor market and competition for staff [2][5][6] Group 1: Retailers' Policy Changes - Don Quijote has relaxed its rules on hair and nail polish, with nearly 25% of its employees now sporting brightly colored hair, and 55% having non-black hair [2][3] - Fuji Yakuhin has eliminated many restrictions for non-pharmacist employees, allowing any hair color, nail art, and various types of rings [3] - Other companies, such as Tokyu Store supermarkets, have also reduced restrictions on hair colors, styles, accessories, and piercings [3] Group 2: Historical Context - Japan's gradual relaxation of dress codes began with the 2005 "Cool Biz" campaign, which encouraged more casual summer attire to reduce air conditioning costs [4] - Over the past two decades, many companies have moved away from strict uniform requirements, with some even making white gloves optional for taxi drivers [4] Group 3: Labor Market Dynamics - Japan's working-age population has decreased by 16% since 1995, leading to intense competition for staff, particularly affecting smaller companies that face acute labor shortages [6]