TOKYO — The pledge by Japanese Prime Minister Sanae Takaichi to “work, work, work, work and work” for her country has been named the catchphrase of the year, recognizing the effort Japan ’s first female leader had to make to reach the top. The ultraconservative Takaichi uttered the phrase in October when she was elected as head of the governing Liberal Democratic Party. Many were initially as worried about her work ethic as supportive of her enthusiasm. In a country notorious for long working