Tokyo, Dec. 21 (Jiji Press)--The mother of Matsuri Takahashi, a then 24-year-old employee of advertising giant Dentsu Inc. who committed suicide nearly a decade ago after working excessive hours, has called for a society without such deaths and voiced her opposition to relaxing regulations on work hours. "I want to tell Matsuri that there is no more 'karoshi' (death from overwork) in Japan ...