参考に https://www.mizusagashi.com/entry/passenger_service_charge https://blog.2nd-train.net/overseas/?p=299 https://voyageavance.global/how-to-avoid-british-tax https://www.etour.co.jp/air_tax/eu.html https://ameblo.jp/533726/entry-12337581540.html https://www.fivestar-club.jp/public/pdf/airporttax.pdf https://halohalo.space/archives/19910