I am looking for ideas on ski-in / ski-out resort hotel. Although adults are skiing also, the primary purpose is getting our inexperienced kids to ski. So doesn't have to be a mega ski place, although a decent terrain would still be a bonus. We want convenient access from the hotel to ski area. I would've loved to take my family to Zao, but I don't think there's a ski-in/out hotel there.

Our criteria:
- Within 4 hours (via train+bus) of Tokyo
- Hotel is decent and clean
- Hotel has onsen

Would like:
- Ski area not too packed (we're probably skiing 25~27 Dec)
- Well-organized ski school
- Ski area has at least 5 or 6 beginner/intermediate runs longer than ~800m for us adults.
- Resort has some additional recreational stuff beyond skiing and onsen (such as kids' play area).

So far I'm considering the following, but each has drawbacks:
- NASPA Yuzawa New Otani (ski area almost too small even for our purpose, probably pricey)
- Prince Naeba (not a fan of Prince hotels and the hotel reviews support my fear, inadequate onsen facilities, prob crowded)
- Tanguramu Furumi Tokyu Resort (I've never been there, which makes me wary)
- Joetsu Kokusai Green Plaza (haven't been there in a while, but I'm reading reviews that the hotel has deteriorated).

Would appreciate any suggestions. So far I'm leaning towards NASPA, but they may be too expensive for us.

Also open to hotel resorts that are not ski in/out as long as they offer frequent shuttles or something that make it super easy and quick (<5min) to get to the ski place.