Japan works beautifully as a contrast-driven trip: loud and quiet, hyper-modern and traditional, fast trains and unhurried gardens.
Build around neighborhoods
Instead of racing through attractions, choose two or three neighborhoods per city and walk them deeply. Early mornings reveal a different rhythm before the crowds arrive.
Travel less like a checklist and more like a series of long walks.
Use the rail system
Intercity rail makes it easy to pair Tokyo with Kyoto and one smaller stop. Keep luggage compact and transfer days become part of the experience rather than a chore.