@charset "UTF-8";@media only screen and (max-width: 767px) {}.lity-container,.lity-vimeo{width: 96.4rem;}@media only screen and (max-width: 1060px){.lity-container,.lity-content{width: 94%;margin: auto;}}.main_visual{margin-top: 2.8rem;}.mv_wrap {position: relative;background-image: url('/keirinkan/chu_r7/navi/images/mv_navi.webp');background-repeat: no-repeat;background-size: cover;background-position: center;min-height: 48rem;}.kaisetsu_wrap{position: absolute;top: 50%;transform: translateY(-50%);}@media only screen and (max-width: 1250px) {.kaisetsu_wrap{padding-left: 3rem;}}@media only screen and (max-width: 767px) {.main_visual{margin-top: 0;}.mv_wrap {position: relative;background-image: url('/keirinkan/chu_r7/navi/images/mv_navi_sp.webp');max-width: 100%;margin: auto;margin-bottom: 45.33vw;min-height: 88vw;}.kaisetsu_wrap{top: 0;left: 50%;width: 84%;transform: translateX(-50%);padding: 0;}}.kaisetsu_wrap2{padding-top: 8rem;padding-bottom: 8rem;background-size: 144rem;background-image: url('/keirinkan/chu_r7/navi/images/kaisetsu_bg.webp');background-repeat: no-repeat;background-position: top;}.kaisetsu_tit, .kaisetsu_tit p{width: 51rem;font-size: 5rem;color: #0068B7;font-weight: bold;display: inline-flex;flex-direction: column;align-items: center;}.kaisetsu_tit::before, .kaisetsu_tit::after, .kaisetsu_tit p::before, .kaisetsu_tit p::after{display: block;content: "";width: 100%;}.kaisetsu_tit::before{border-top: solid 4px #A8D0EF;margin-bottom: .7rem;}.kaisetsu_tit::after{border-bottom: solid 4px #A8D0EF;margin-top: .7rem;}.kaisetsu_tit p::before{border-top: solid 2px #A8D0EF;margin-bottom: 1rem;}.kaisetsu_tit p::after{border-bottom: solid 2px #A8D0EF;margin-top: 1rem;}.kaisetsu_logo{display: flex;align-items: center;justify-content: space-between;margin: 2.3rem 0;width: 51rem;}.kaisetsu_logo img:nth-child(1){width: 8.6rem;}.kaisetsu_logo img:nth-child(2){width: 14.3rem;}.kaisetsu_logo img:nth-child(3){width: 19.2rem }.kaisetsu_box{margin: 2.5rem 0;max-width: 75.5rem;width: 100%;border-radius: 10px;border: 1px solid #0168B7;background-color: #fff;padding: .5em .75em;display: flex;justify-content: space-between;margin-left: 4.5rem;}.kaisetsu_box .bigmaru li::before{background: #0168B7;}#kaisetsu .basic_btn_wrap{justify-content: flex-start;}.kaisetsu_wrap2 .kaisetsu_box+.txt{margin-left: 6.5rem;}@media only screen and (max-width: 767px) {.kaisetsu_wrap2{padding-top: 0;padding-bottom: 10.66vw;background-image: none;}.kaisetsu_tit, .kaisetsu_tit p{width: 100%;font-size: 8.53vw;}.kaisetsu_tit::before{border-top: solid 2px #A8D0EF;margin-bottom: 1.33vw;}.kaisetsu_tit::after{border-bottom: solid 2px #A8D0EF;margin-top: 1.33vw;}.kaisetsu_tit p::before{border-top: solid 1px #A8D0EF;margin-bottom: 1.33vw;}.kaisetsu_tit p::after{border-bottom: solid 1px #A8D0EF;margin-top: 1.33vw;}.kaisetsu_logo{margin: 6vw 0 58.6vw 0;width: 100%;}.kaisetsu_logo p{width: 25.33vw;color: #fff;font-weight: bold;font-size: 6.4vw;text-align: center;border-radius: 8px;padding: 0.15em 0;}.kaisetsu_logo img:nth-child(1){width: 14.13vw;}.kaisetsu_logo img:nth-child(2){width: 23.46vw;}.kaisetsu_logo img:nth-child(3){width: 31.4vw;}.kaisetsu_box{margin: 0rem 0 2.5rem 0px;max-width: 100%;width: 100%;justify-content: space-between;margin-left: 0;flex-direction: column;}.kaisetsu_wrap2 .kaisetsu_box+.txt{margin-left: 0;}}.contents_wrap{padding: 6rem 0 10rem 0;background-repeat: no-repeat;background-size: cover;background-position: top right;}.math_area{background-color: #DEF1F5;background-image: url(/keirinkan/chu_r7/navi/images/math_bg.webp);}.science_area{background-color: #F1F7E2;background-image: url(/keirinkan/chu_r7/navi/images/science_bg.webp);}.english_area{background-color: #F0E8FA;background-image: url(/keirinkan/chu_r7/navi/images/english_bg.webp);}@media only screen and (max-width: 1440px) {.contents_wrap .inner_maxw1200{width: 94%;margin: auto;}}@media only screen and (max-width: 767px) {.contents_wrap{padding: 10.66vw 0 16vw 0;}.math_area{background-image: url(/keirinkan/chu_r7/navi/images/math_bg_sp.webp);}.science_area{background-image: url(/keirinkan/chu_r7/navi/images/science_bg_sp.webp);}.english_area{background-image: url(/keirinkan/chu_r7/navi/images/english_bg_sp.webp);}.contents_wrap .inner_maxw1200{width: 84%;margin: auto;}}.subject_tit{font-weight: bold;color: #fff;font-size: 4rem;border-radius: 0 0.8rem 0.8rem 0;width: 25rem;padding: 0.1em 1em 0.15em 3em;}.math_area .subject_tit{background-image: linear-gradient(180deg, rgba(0, 157, 218, 1), rgba(0, 201, 218, 1));}.science_area .subject_tit{background-image: linear-gradient(180deg, rgba(18, 162, 0, 1), rgba(133, 201, 4, 1));}.english_area .subject_tit{background-image: linear-gradient(180deg, rgba(101, 69, 204, 1), rgba(100, 115, 234, 1));}.concept_txt{font-size: 2rem;font-weight: bold;margin: 4rem 0 8rem 0;}@media only screen and (max-width: 767px) {.subject_tit{font-size: 6.4vw;width: 26.66vw;padding: 0.1em 0 0.15em 0;text-align: center;}.concept_txt{font-size: 4.8vw;margin: 8vw 0 10.66vw 0;}}h4{position: relative;max-width: 120rem;min-height: 8rem;margin-bottom: 6rem;}h4 p{position: relative;top: 3.5px;left: .5%;max-width: 99%;font-size: 3rem;font-weight: bold;background-color: #fff;padding: 0.36em 0 0.4em 1em;border-radius: 0 0.8rem 0.8rem 0;}h4::before{content: '';height: 100%;width: 100%;position: absolute;top: 0;left: 0px;border-radius: 0 1.2rem 1.2rem 0;}h4::after{content: '';position: absolute;width: 1.6rem;height: 100%;top: 0;left: 0;}.math_area h4 p{color: #009DDA;border: 1px solid #009DDA;}.math_area h4::before{border: 1px solid #009DDA;background-color: #CBEAF7;}.math_area h4::after{background-color: #009DDA;}.science_area h4 p{color: #13A200;border: 1px solid #13A200;}.science_area h4::before{border: 1px solid #13A200;background-color: #C5E5C2;}.science_area h4::after{background-color: #13A200;}.english_area h4 p{color: #6545CC;border: 1px solid #6545CC;}.english_area h4::before{border: 1px solid #6545CC;background-color: #DCD8EB;}.english_area h4::after{background-color: #6545CC;}@media only screen and (max-width: 767px) {h4{max-width: 100%;min-height: 10.66vw;margin-bottom: 8vw;}h4 p{top: 1vw;max-width: 98%;font-size: 5.33vw;padding: 0.2em 0 0.2em 1em;}h4::before{height: 120%;width: 100%;}h4.br::before{height: 110%;}h4::after{width: 3.2vw;height: 120%;}h4.br::after{height: 110%;}}.note{font-size: 1.5rem;}@media only screen and (max-width: 767px) {.note{font-size: 2.66vw;}}.navi_box + .navi_box{margin-top: 10rem;}.navi_innner{max-width: 112rem;width: 100%;margin: auto;}.navi_flex{display: flex;justify-content: space-between;align-items: flex-start;}.navi_flexL{max-width: 45rem;width: 100%;margin-right: 1em;}.navi_flexR{max-width: 58rem;width: 100%;}@media only screen and (max-width: 767px) {.navi_box + .navi_box{margin-top: 13.33vw;}.navi_innner{max-width: 100%;margin: auto;}.navi_flex{flex-direction: column;}.navi_flexL{max-width: 100%;width: 100%;margin-right: 0;}.navi_flexR{max-width: 100%;width: 100%;}}.vimeo_area{position: relative;margin-bottom: 8rem;}.math_img_ict01{margin-bottom: 22.1rem;}.math_img_ict01_thumb{position: absolute;display: block;max-width: 75rem;bottom: 0;right: 4rem;}.math_img_mondai03{margin-top: 6rem;margin-bottom: 31rem;}.math_img_mondai03_thumb{position: absolute;display: block;max-width: 75rem;bottom: 0;right: 23rem;}.math_img_ict02{position: absolute;bottom: 0;left: 0;width: 35rem;}.math_img_ict02 .txt{margin-bottom: 2rem;}@media only screen and (max-width: 1220px) {.math_img_ict01_thumb{max-width: 75rem;left: auto;bottom: auto;top: 56.26vw;}.math_img_ict02{margin-top: 10vw;position: static;width: 100%;}.math_img_ict02 .txt{margin-bottom: 2.6rem;}}@media only screen and (max-width: 767px) {.vimeo_area{margin-bottom: 10.66vw;}.math_img_ict01{margin-bottom: 15.2vw;}.math_img_ict01_thumb{max-width: 100%;width: 61vw;left: 5.33vw;bottom: auto;top: 56.26vw;}.math_img_mondai03{margin-top: 6vw;margin-bottom: 15.2vw;}.math_img_mondai03_thumb{max-width: 100%;width: 61vw;left: 5.33vw;bottom: -12vw;}.math_img_ict02{margin-top: 10vw;margin-bottom: 8vw;position: static;width: 100%;}.math_img_ict02 .txt{margin-bottom: 2.6rem;}.math_img_mondai01{margin-top: 8vw;}.math_img_mondai02{margin-top: 8vw;}.science_img_reidai, .science_img_douga{margin-top: 10.66vw;}}