The most famous train network in Japan is undeniably the Shinkansen, globally renowned as the bullet train system that revolutionized high-speed rail transportation when it debuted prior to the Tokyo Olympic Games. Symbolizing Japanese technological innovation, engineering precision, and operational punctuality, iconic lines like the Tokaido Shinkansen connect major megacities seamlessly. Beyond the high-speed network, Japan is also internationally famous for its luxurious scenic sightseeing trains, such as the Seven Stars in Kyushu and the Casiopeia sleeper trains, which offer opulent hospitality, gourmet dining, and breathtaking panoramic views across the mountainous and coastal landscapes of the country.