Japan's Golden Week hotel rates soar on international tourism boom / Heartbroken idol fans find healing at Japan hotel / IHG adds prestigious hotel in Hokkaido, boosts presence in Japan / IHG adds prestigious hotel in Hokkaido, boosts presense in Japan / Hong Kong investors turn to Japan's hotels as funds, tourists soar to record high / Japan hotels scramble for foreign workers as tourists flood country / Japan hotel rates spike 25% as weak yen draws foreign tourists / Japan hotels unleash luxury for dogs with $1,400 pet-friendly suites