@startuml left to right direction skinparam packageStyle rectangle actor "乗客" as Passenger actor "支払いサービス" as PaymentService actor "切符発行システム" as TicketSystem rectangle "Web予約システム" { usecase "路線検索" as SearchRoute usecase "座席予約" as ReserveSeat usecase "支払い" as MakePayment usecase "予約確認" as ConfirmReservation usecase "予約キャンセル" as CancelReservation } Passenger --> SearchRoute Passenger --> ReserveSeat Passenger --> MakePayment Passenger --> ConfirmReservation Passenger --> CancelReservation MakePayment --> PaymentService : <<include>> ReserveSeat --> TicketSystem : <<include>> @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       🎉 Discover the future PlantUML Web Editor! 🚀  PNG  SVG  ASCII Art