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Watanabe Gumi is a Japanese construction company. The menu reveals their business sectors: medical/healthcare facilities, commercial facilities, schools, warehouses, residential development, civil engineering, and port management. The website is a corporate informational site showcasing projects and company information. Language is Japanese (ja-JP) based on menu items (ホーム, 実績紹介, etc.) and company structure typical of Japanese corporations. Professional blue color scheme (#0068b7, #004695) is standard for construction/engineering firms. No explicit phone numbers or email addresses visible in provided data.