日本内阁官房长官林芳正：日本正全力通过外交谈判解决核问题，并认为美伊之间的对话至关重要。

Core Viewpoint - Japan is fully committed to resolving nuclear issues through diplomatic negotiations and considers dialogue between the U.S. and Iran to be crucial [1] Group 1 - Japan's Chief Cabinet Secretary, Hirokazu Matsuno, emphasizes the importance of diplomatic efforts in addressing nuclear concerns [1] - The Japanese government believes that effective communication between the U.S. and Iran is essential for progress in nuclear negotiations [1]