Japan first timer itinerary (10 days, June to July) – Is it too packed?

Hi! We're a family of 4 going to Japan for the first time from 23rd june to 4th july. I tried to fit as much of the the stuff i wanted to do as i could. Does this work or is it too much? Anything i could fix?

Tokyo Fly into Tokyo by afternoon, go to Sensoji temple, Metropolitan Government Building for sunset views.
Tokyo Fuji Day Trip: Visit Mt. Fuji 5th Station and Lake Kawaguchi (Fuji Five Lakes). Afternoon in Hakone for the Ropeway and Pirate Ship.
Takayama Travel to Takayama (approx. 4.5h via Nagoya). Explore the Sanmachi Suji Edo-era old town.
Takayama Visit the Hida Folk Village (UNESCO-style thatched houses). Travel to Osaka.
Osaka Day Trip: Hiroshima Peace Memorial Park and the "floating" Torii gate on Miyajima Island.
Osaka Himeji & Osaka: Morning at Himeji Castle. Evening Samurai Experience and street food in Dotonbori.
Osaka Universal Studios Japan: A full day at the park. Super Nintendo World and the Wizarding World of Harry Potter.
Kyoto Leave Osaka, visit Nara Park and Todai-ji Temple. Afternoon Tea Ceremony in Kimono in Kyoto. Evening walk through the historic Gion District.
Kyoto Full Day Tour: Kinkaku-ji (Golden Pavilion), Fushimi Inari Shrine, and Kiyomizu-dera.
Tokyo Travel back to Tokyo, Shibuya & Harajuku: Meiji Shrine and Takeshita Street. Visit Nintendo TOKYO and Pokémon Center SHIBUYA (both on 6F of Shibuya PARCO).
Tokyo Morning at the Ghibli Museum. Ginza: Evening at Ginza Itoya (12-story stationery shop).
Tokyo Fly back.

by pika7651