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This is the official website of Tokyo University's Graduate School of Arts and Sciences, Department of Basic Science. It is a Japanese-language academic institution website with a corporate/informational structure. The teal/dark green color scheme (#065252, #abeecb) is typical for educational institutions. No direct contact information (emails/phones) is visible in the provided footer content, though menu items suggest contact options exist elsewhere on the site. The footer confirms this is an official university department page.