Which lodgings in Jozankei Onsen offer a buffet and are child-friendly?

I'm thinking of taking my children to Jozankei Onsen. Since each member family has different tastes, I'm looking for an inn that has a buffet. In addition, it would be nice if there was a room where family could relax.

My wife and I would like to know where we can find a good sake brewery in hot spring near Kanto region. [Budget: 50,000 yen for a two-day, one-night trip]

I live in Tokyo. I would like to do some tasting and tours at a sake brewery, so please recommend a hot hot spring is within 3 hours of Tokyo. If possible, I would be happy if I could order the sake at the inn. Any season is fine. Preferably somewhere around Gunma or Nagano.

Could you please tell me about a lodging in Beppu Onsen that has a traditional, rustic atmosphere?

married couple and I would like to stay at Beppu Onsen on our wedding anniversary. We are looking for a traditional hot spring inn with rustic atmosphere and 100% natural hot spring. Do you have any recommendations?

Can you recommend a place to stay on Sado Island where you can enjoy the sunset over the Sea of Japan?

married couple and I are planning to go on a trip to Sado Island. We want to stay at a hotel where we can enjoy a hot spring bath while watching the sun set into the Sea of Japan. We are thinking of keeping the budget at around 30,000 yen. Are there any recommended hotels?

We are planning a trip Kyoto to celebrate our golden wedding anniversary and enjoy the autumn leaves. Can you tell me where we can stay for 4 people for under 100,000 yen per night?

I'm planning a trip to Kyoto to see the autumn leaves and celebrate my parents-in-law's golden wedding anniversary. I'd like to find a place where I can treat them well and that they'll be happy, but since I'm pregnant, I'm looking for a place with good transportation access and flexible food options. I'd like two rooms for under 100,000 yen per night for four people. Do you have any recommendations?

Could you please recommend some hot hot spring inns with beautiful snow scenery near Nagano and Yamanashi Prefecture?

I would like to stay at a hotel where I can see the snow scenery in February. Please let me know of any recommended hotels with great open-air bath and great staff service. We are four adults and our budget is within 30,000 yen One person.