Mt. Fuji’s climbing season started Monday when one of the four main hiking trails opened, with local authorities for the first time charging entrance fees and restricting numbers of climbers to ease congestion. Yamanashi Prefecture now accepts a maximum of 4,000 climbers per day on the Yoshida Trail, the most commonly used route up the 3,776-meter mountain, and charges 2,000 yen ($12). The route to the summit is expected to remain open through Sept. 10. A gate has been set up at the 5th station to close the trail between 4 p.m. and 3 a.m. to anyone without a prior overnight reservation in a mo…