動画パターン 条件: ①HD5,936kb ②4K5,116kb ※先読みなし ①HD5,936kb https://xserver-cache.work/wp-content/uploads/2020/05/HD6_1MB_960_540.mp4 ②4K5,116kb https://xserver-cache.work/wp-content/uploads/2020/05/4K_5_2MB_1280_720.mp4