.is-error404 .st-PageIntro{background-image:url("../img/bg_error404_01_sp.jpg")}@media screen and (min-width: 700px){.is-error404 .st-PageIntro{background-image:url("../img/bg_error404_01_pc.jpg")}}.error404-Message{max-width:640px;margin-top:60px;margin-inline:auto;padding-inline:20px}.error404-Message_Title+.error404-Message_Text{margin-top:20px}.error404-Message_Text+.error404-Message_Text{margin-top:10px}@media screen and (min-width: 960px){.error404-Message{margin-top:80px;padding-inline:40px}.error404-Message_Image{margin-top:65px}.error404-Message_Image_Item{width:300px}}.error404-Back{max-width:400px;margin-top:60px;margin-bottom:100px;margin-inline:auto;padding-inline:20px}.error404-Back .sw-Btn01{width:100%}@media screen and (min-width: 960px){.error404-Back{margin-top:100px;margin-bottom:170px;padding-inline:40px}}