.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");padding-bottom:30px}.is-error404 .st-PageIntro_Title{line-height:1}}.error404-Message{padding-top:73px;position:relative}.error404-Message::after{content:"";display:block;background-color:#e6e6e6;width:50%;height:310px;position:absolute;top:0;right:0;z-index:-1}.error404-Message_Inner{max-width:1000px;margin-inline:auto;padding-inline:20px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;row-gap:73px}.error404-Message_Text{font-size:.875rem}.error404-Message_Text_Item{line-height:2}.error404-Message_Text_Item+.error404-Message_Text_Item{margin-top:15px}.error404-Message_Image{text-align:center}.error404-Message_Image_Item{width:100%;height:auto}.error404-Message_Text,.error404-Message_Image{-webkit-box-flex:1;-ms-flex:1;flex:1}@media screen and (min-width: 700px){.error404-Message_Inner{-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;-webkit-column-gap:30px;-moz-column-gap:30px;column-gap:30px;-webkit-box-align:start;-ms-flex-align:start;align-items:flex-start}}@media screen and (min-width: 960px){.error404-Message{padding-top:134px}.error404-Message::after{height:340px}.error404-Message_Inner{padding-inline:40px;-webkit-column-gap:60px;-moz-column-gap:60px;column-gap:60px}.error404-Message_Image{margin-top:5px}}.error404-Back{max-width:320px;margin:52px auto 190px;padding-inline:20px}.error404-Back .sw-Btn06{width:100%}@media screen and (min-width: 960px){.error404-Back{margin-block:82px 230px;padding-inline:40px}}