Capacity first
A stated maximum is only a first screen. It does not explain which ages, beds, meals, or rates are allowed.
Screen the exact room against the full party, child ages, stated capacity, bed-sharing language, extra-bed needs, and connecting-room requirements. Then send the unresolved questions to the property.
It compares your full party, child ages, stated maximum guests, bed-sharing language, extra-bed needs, and connecting-room requirements against the exact room type you plan to book.
No. Only the property and final rate terms can confirm occupancy, bed sharing, charges, bedding, and room placement.
Child categories, meal charges, and bed-sharing rules vary by property and booking channel. Ages affect whether the listing is even eligible.
Generate the bilingual hotel inquiry, keep written confirmation with the reservation, and compare backup room structures with equal cancellation terms.
A stated maximum is only a first screen. It does not explain which ages, beds, meals, or rates are allowed.
There is no safe universal age rule to apply across every Japanese hotel, room, rate, and booking channel.
Ask about the exact room type and save the answer with the reservation before the free-cancellation deadline.