For years, Japan has been one of the easiest countries to visit. The process has been simple: Hop on a plane.Arrive in Japan.Start exploring, all without the need for a short-stay visa.This hassle-free entry has been one of the many reasons (and more recently, the very weak yen) Japan has remained a top destination for tourists worldwide. However, that ease of entry is set to change, as the Japanese government has announced plans to introduce a new travel authorization system, tentatively named “JESTA,” which will require visitors to submit personal information online before their trip. What i…