Group 1 - The core viewpoint of the article is that JTB forecasts a 3% decrease in the number of visitors to Japan by 2026, with uncertainties surrounding the behavior of Chinese tourists [2] Group 2 - JTB's prediction indicates a potential decline in tourism revenue, which could impact various sectors reliant on foreign visitors [2] - The article highlights the importance of understanding the trends in Chinese tourist behavior, as they represent a significant portion of Japan's tourism market [2] - Factors contributing to the uncertainty include geopolitical tensions and changing travel preferences among Chinese tourists [2]