1. The problem is to understand what knowledge and study areas are needed to become like Takashi Kotegawa. 2. Takashi Kotegawa is a professional footballer, so the focus is on sports science, physical training, and football skills. 3. Important areas to study include: - Physical fitness and conditioning: understanding how to train the body for endurance, strength, and agility. - Football techniques and tactics: mastering ball control, passing, shooting, and game strategies. - Sports psychology: learning mental toughness, focus, and teamwork. - Nutrition: knowing how diet affects performance and recovery. - Injury prevention and recovery: understanding how to avoid and treat sports injuries. 4. Additionally, practical experience through regular training, playing matches, and coaching is essential. 5. In summary, becoming like Takashi Kotegawa requires a combination of physical training, technical football skills, mental preparation, and knowledge of sports science.