“Business-class” cabins are seen at First Cabin hotel, which was converted from an old office building, in Tokyo, July 3, 2015. Record tourists to Japan are stretching the ability of hotels to accommodate them in a sector constrained by high costs, forcing developers to think out of the box for means to quickly increase lodging options without breaking the bank. (Photo by Toru Hanai/Reuters)

A waiter works in a bar at First Cabin hotel, which was converted from an old office building, in Tokyo, July 3, 2015. (Photo by Toru Hanai/Reuters)

“Business-class” cabins are seen at First Cabin hotel, which was converted from an old office building, in Tokyo, July 3, 2015. (Photo by Toru Hanai/Reuters)

People stand at the front desk near a bar at First Cabin hotel, which was converted from an old office building, in Tokyo, July 3, 2015. (Photo by Toru Hanai/Reuters)

“Business-class” cabins are seen at First Cabin hotel, which was converted from an old office building, in Tokyo, July 3, 2015. (Photo by Toru Hanai/Reuters)

A woman walks in an elevator hall at First Cabin hotel, which was converted from an old office building, in Tokyo, July 8, 2015. (Photo by Toru Hanai/Reuters)

A man walks near the entrance of First Cabin hotel, which was converted from an old office building, in Tokyo, July 3, 2015. (Photo by Toru Hanai/Reuters)

A television screen showing Japan's Prime Minister Shinzo Abe is seen inside a “business-class cabin” at First Cabin hotel, which was converted from an old office building, in Tokyo, July 3, 2015. (Photo by Toru Hanai/Reuters)