.concept{margin-top:102px!important;padding:94px 0 154px;background-color:#f6f6f6}.concept_inner{-webkit-box-sizing:border-box;box-sizing:border-box;width:960px;margin:0 auto;padding:0 122px}.concept_section{margin-top:48px}.concept_section:first-child{margin-top:0}.concept_title{text-align:center}.concept_lower-title{font-size:1.7rem;line-height:1.65;text-align:left;font-weight:700}.concept_text{font-size:1.7rem;line-height:1.65;text-align:left}.concept_title+.concept_text{margin-top:47px}.concept_body{position:relative}.concept_body_inner{margin-top:49px}.concept_trigger{position:absolute;right:0;top:100%;margin-top:54px!important}.concept_trigger>a{white-space:nowrap;text-indent:110%;overflow:hidden;position:relative;display:block;width:145px;height:45px;background:url(/kyousai/kokumin/campaign/hub-guide/img/concept_img04.png) no-repeat center center/100% 100%}.concept_trigger>a::after,.concept_trigger>a::before{content:'';display:block;position:absolute;top:0;right:7px;bottom:0;width:31px;height:0;margin:auto 0;border-top:3px solid #fff;-webkit-transition:-webkit-transform .3s ease;transition:-webkit-transform .3s ease;transition:transform .3s ease;transition:transform .3s ease,-webkit-transform .3s ease;-webkit-backface-visibility:hidden;backface-visibility:hidden}.concept_trigger>a::after{-webkit-transform:rotate(90deg);-ms-transform:rotate(90deg);transform:rotate(90deg)}.is-expanded .concept_trigger>a::after{-webkit-transform:rotate(360deg);-ms-transform:rotate(360deg);transform:rotate(360deg)}.concept_trigger>a:active::before,.concept_trigger>a:hover::before{-webkit-transform:scale(1.1);-ms-transform:scale(1.1);transform:scale(1.1)}.concept_trigger>a:active::after,.concept_trigger>a:hover::after{-webkit-transform:rotate(90deg) scale(1.1);-ms-transform:rotate(90deg) scale(1.1);transform:rotate(90deg) scale(1.1)}.is-expanded .concept_trigger>a:active::after,.is-expanded .concept_trigger>a:hover::after{-webkit-transform:rotate(360deg) scale(1.1);-ms-transform:rotate(360deg) scale(1.1);transform:rotate(360deg) scale(1.1)}