@charset "UTF-8";@media print,screen and (min-width:769px){html{overflow:auto}body{min-width:1300px;overflow:hidden}#main{width:1300px}}#main_area{position:relative;width:1370px;height:calc(540px + 78px);margin:auto;overflow:hidden;margin-bottom:65px;background-color:#fff}@media screen and (max-width:768px){#main_area{width:100%;height:auto;margin-bottom:13.8vw}}#math #main_area .main_area_bg{display:none;position:absolute;top:0;width:100%;height:100%;-webkit-animation-name:main_area_bg_fadeIn;animation-name:main_area_bg_fadeIn;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-duration:13s;animation-duration:13s}#math #main_area .main_area_bg img{width:100%}@media screen and (max-width:768px){#math #main_area .main_area_bg{position:absolute;left:-10%;width:117%;height:100%;-webkit-animation-name:main_area_bg_fadeIn_sp;animation-name:main_area_bg_fadeIn_sp;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-duration:13s;animation-duration:13s}}#math .main_area_logo{display:none;width:330px;margin:45px auto 30px auto;opacity:0;-webkit-animation-name:normal_fadeIn;animation-name:normal_fadeIn;-webkit-animation-duration:1.5s;animation-duration:1.5s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-delay:.5s;animation-delay:.5s}@media screen and (max-width:768px){#math .main_area_logo{width:38.6vw;margin:9.06vw auto}}#science #main_area .main_area_bg{display:none;position:absolute;top:78px;width:100%;height:100%;-webkit-animation-name:science_fadeOut;animation-name:science_fadeOut;-webkit-animation-duration:3s;animation-duration:3s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-delay:4s;animation-delay:4s}#science #main_area .main_area_bg img{opacity:0;position:absolute;top:0;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards}#science #main_area .main_area_bg img.anime_01{-webkit-animation-name:science_fadeInL;animation-name:science_fadeInL;-webkit-animation-duration:1s;animation-duration:1s;-webkit-animation-delay:.25s;animation-delay:.25s}#science #main_area .main_area_bg img.anime_02{-webkit-animation-name:science_fadeInR;animation-name:science_fadeInR;-webkit-animation-duration:1s;animation-duration:1s;-webkit-animation-delay:.5s;animation-delay:.5s}#science #main_area .main_area_bg img.anime_03{-webkit-animation-name:science_fadeInL;animation-name:science_fadeInL;-webkit-animation-duration:1s;animation-duration:1s;-webkit-animation-delay:.75s;animation-delay:.75s}#science #main_area .main_area_bg img.anime_04{-webkit-animation-name:science_fadeInR;animation-name:science_fadeInR;-webkit-animation-duration:1s;animation-duration:1s;-webkit-animation-delay:1s;animation-delay:1s}#science #main_area .main_area_bg img.anime_bg{-webkit-animation-name:normal_fadeIn;animation-name:normal_fadeIn;-webkit-animation-duration:2s;animation-duration:2s;-webkit-animation-delay:2.5s;animation-delay:2.5s}@media screen and (max-width:768px){#science #main_area .main_area_bg{top:9.86vw}}#science .main_area_logo{opacity:0;display:none;position:absolute;top:107px;left:50%;transform:scale(.3) rotate(-180deg) translateX(-50%);transform-origin:0 center;-webkit-animation-name:science_scale;animation-name:science_scale;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-duration:1.25s;animation-duration:1.25s;-webkit-animation-delay:1.5s;animation-delay:1.5s}@media screen and (max-width:768px){#science .main_area_logo{width:41.3vw;top:14.25vw}}#english #main_area .main_area_bg{display:none;position:absolute;top:78px;width:100%;height:calc(618px - 78px)}#english #main_area .main_area_img{opacity:0;-webkit-animation-name:normal_fadeIn;animation-name:normal_fadeIn;-webkit-animation-duration:5s;animation-duration:5s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-delay:1s;animation-delay:1s}#english #main_area .main_area_bg::after{content:"";position:absolute;bottom:0;width:100%;height:8px;opacity:0;-webkit-transform-origin:center;-ms-transform-origin:center;transform-origin:center;-webkit-animation-name:main_area_tit_scale;animation-name:main_area_tit_scale;-webkit-animation-duration:.75s;animation-duration:.75s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-delay:.75s;animation-delay:.75s}#english #main_area .main_area_bg:nth-of-type(1)::after{background-color:#0081cc}#english #main_area .main_area_bg:nth-of-type(2)::after{background-color:#e8aa00}#english #main_area .main_area_bg:nth-of-type(3)::after{background-color:#22ac38}#english #main_area .main_area_bg img{position:absolute}#english #main_area .main_area_bg img.anime_bg{transform:scale(1.3);-webkit-animation-name:english_zoomOut;animation-name:english_zoomOut;-webkit-transform-origin:center;-ms-transform-origin:center;transform-origin:center;-webkit-animation-duration:13s;animation-duration:13s;-webkit-animation-delay:.5s;animation-delay:.5s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards}@media print,screen and (min-width:769px){#english #main_area .main_area_bg:nth-of-type(1) img.anime_bg{top:-190px}#english #main_area .main_area_bg:nth-of-type(2) img.anime_bg{top:0}#english #main_area .main_area_bg:nth-of-type(3) img.anime_bg{top:-190px}}@media screen and (max-width:768px){#english #main_area .main_area_bg{top:9.86vw;height:62.6vw;overflow:hidden}#english #main_area .main_area_bg:nth-of-type(1) img.anime_bg{top:30px}#english #main_area .main_area_bg:nth-of-type(2) img.anime_bg{top:60px}#english #main_area .main_area_bg:nth-of-type(3) img.anime_bg{top:40px}}#english .main_area_logo{opacity:0;display:none;position:absolute;top:102px;left:50%;-webkit-transform:scale(0) translateX(-50%);-ms-transform:scale(0) translateX(-50%);transform:scale(0) translateX(-50%);-webkit-transform-origin:0 center;-ms-transform-origin:0 center;transform-origin:0 center;-webkit-animation-name:english_scale;animation-name:english_scale;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-duration:1.5s;animation-duration:1.5s;-webkit-animation-delay:.75s;animation-delay:.75s}@media screen and (max-width:768px){#english .main_area_logo{width:53.4vw;top:12.3vw;left:50%}}.main_area_tit{position:relative;height:78px;text-align:center;z-index:3}.main_area_tit::before{content:"";top:0;left:0;position:absolute;width:100%;height:100%;z-index:-1;-webkit-transform-origin:center;-ms-transform-origin:center;transform-origin:center;-webkit-animation-name:main_area_tit_scale;animation-name:main_area_tit_scale;-webkit-animation-duration:.75s;animation-duration:.75s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards}#math .main_area_tit::before{background-color:#85afdd}#science .main_area_tit::before{background-color:#8fc379}#english .main_area_tit::before{background-color:#f9a064}.main_area_tit img{opacity:0;-webkit-animation-name:normal_fadeIn;animation-name:normal_fadeIn;-webkit-animation-duration:1.5s;animation-duration:1.5s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-delay:.5s;animation-delay:.5s}@media screen and (max-width:768px){.main_area_tit{height:9.86vw}}.main_area_tb{margin:auto;letter-spacing:-.4em}.main_area_tb li{display:inline-block;letter-spacing:normal;opacity:0;-webkit-animation-name:main_area_tb_fadeIn;animation-name:main_area_tb_fadeIn;-webkit-animation-duration:1s;animation-duration:1s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards}.main_area_tb li:last-child{margin-right:0!important}#math .main_area_tb{width:calc((170px*3) + 16px)}#math .main_area_tb li{width:170px;margin-right:8px}#math .main_area_tb li:nth-child(1){-webkit-animation-delay:1.5s;animation-delay:1.5s}#math .main_area_tb li:nth-child(2){-webkit-animation-delay:2s;animation-delay:2s}#math .main_area_tb li:nth-child(3){-webkit-animation-delay:2.5s;animation-delay:2.5s}#science .main_area_tb{width:calc((184px*3));margin-top:285px}#science .main_area_tb li{width:184px;margin-right:0}#science .main_area_tb li:nth-child(1){-webkit-animation-delay:3s;animation-delay:3s}#science .main_area_tb li:nth-child(2){-webkit-animation-delay:3.5s;animation-delay:3.5s}#science .main_area_tb li:nth-child(3){-webkit-animation-delay:4s;animation-delay:4s}#english .main_area_tb{width:calc((190px*3));margin-top:250px}#english .main_area_tb li{width:190px;margin-right:0}#english .main_area_tb li:nth-child(1){-webkit-animation-delay:2s;animation-delay:2s}#english .main_area_tb li:nth-child(2){-webkit-animation-delay:2.5s;animation-delay:2.5s}#english .main_area_tb li:nth-child(3){-webkit-animation-delay:3s;animation-delay:3s}@media screen and (max-width:768px){.main_area_tb li{margin-right:0}#math .main_area_tb{width:94%}#math .main_area_tb li{width:calc((100% / 3));margin-right:0}#science .main_area_tb{width:94%;margin-top:51.7vw}#science .main_area_tb li{width:calc((100% / 3))}#english .main_area_tb{width:94%;margin-top:36.7vw}#english .main_area_tb li{width:calc((100% / 3))}}.sub_tit{font-size:1.55rem;font-weight:100;text-align:center;margin-bottom:50px}@media print,screen and (min-width:769px){.sub_tit::after,.sub_tit::before{content:"";display:inline-block;width:20px;border:1px solid;vertical-align:middle}.sub_tit::before{margin-right:1em}.sub_tit::after{margin-left:1em}}.sub_tit_s{font-size:1.16rem;line-height:1.8em}@media screen and (max-width:768px){.sub_tit{font-size:4.66vw;margin-bottom:6.4vw}.sub_tit_s{font-size:3.2vw}}.sub_box{width:790px;margin:0 auto 50px auto}.sub_boxL img{margin-bottom:15px}.sub_boxL .square_btn{width:calc(100% - 5px);letter-spacing:.25em;font-size:.88em}.sub_boxR{width:490px}.sub_boxR_tit{color:#fff;font-weight:100;text-align:center;line-height:1.77em;margin-bottom:20px}.sub_boxR_tit{color:#fff;font-weight:100;text-align:center;line-height:1.77em;margin-bottom:20px}.digest_ex{margin-top:15px;justify-content:center}.digest_ex img{width:440px}@media print,screen and (min-width:769px){.sub_box{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}}@media screen and (max-width:768px){.sub_box{width:100%;margin:0 auto 13.3vw auto}.sub_boxL{margin-bottom:6.4vw;text-align:center}.digest_box .sub_boxL{margin-bottom:0}.sub_boxL img{width:33.3vw;margin-bottom:10.6vw}.sub_boxL .square_btn{width:56.5vw;letter-spacing:.25em;font-size:3.46vw}.sub_boxR{width:100%}.sub_boxR_tit{position:relative;font-size:4.66vw;line-height:2.5em;margin-bottom:6.4vw}.sub_boxR_tit::after{content:"";position:absolute;right:1em;top:40%;width:10px;height:10px;border-top:solid 2px #fff;border-right:solid 2px #fff;-webkit-transform-origin:top;-ms-transform-origin:top;transform-origin:top;-webkit-transform:rotate(135deg);-ms-transform:rotate(135deg) translateY(-50%);transform:rotate(135deg) translateY(-50%)}.digest_box .sub_boxR_tit::after{content:none}.sub_boxR_tit.open::after{top:56%;-webkit-transform:rotate(315deg) translateY(-50%);-ms-transform:rotate(315deg) translateY(-50%);transform:rotate(315deg) translateY(-50%)}}.pamphlet_top *{font-size:.88em;line-height:1.75}.pamphlet_top{width:790px;margin:auto;text-align:left;margin-bottom:30px}.pamphlet_tit{font-size:1.55rem;font-weight:700;display:inline-block;margin-bottom:10px}#math .pamphlet_tit{background:linear-gradient(transparent 45%,#94d4ed 0)}#science .pamphlet_tit{background:linear-gradient(transparent 45%,#c8d862 0)}#english .pamphlet_tit{background:linear-gradient(transparent 45%,#f7bd8f 0)}@media screen and (max-width:768px){.pamphlet_top{width:100%;font-size:4.26vw;margin-bottom:4vw}.pamphlet_tit{font-size:4.5vw;margin-bottom:2vw}}@media print,screen and (min-width:769px){.sub_boxR_dl{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap}.sub_boxR_dl li:nth-child(2n+1){margin-right:6px}}.sub_boxR_dl li{position:relative;width:242px;font-size:.77rem;margin-bottom:8px;border:1px solid #c9caca}.sub_boxR_dl li a{display:block;padding:.5em;padding-right:calc(.5em + 20px + .5em)}.sub_boxR_dl li a::after{content:"";position:absolute;top:50%;-webkit-transform:translateY(-50%);-ms-transform:translateY(-50%);transform:translateY(-50%);right:.5em;width:20px;height:20px;background-image:url(/keirinkan/chu/text_2021/images/icon_dl.png);background-repeat:no-repeat;background-position:center;background-size:contain}@media screen and (max-width:768px){.sub_boxR_dl{width:90%;margin:auto;display:none}.sub_boxR_dl li{width:100%;font-size:4.26vw;margin-bottom:5.33vw;border:2px solid #c9caca}.digest_box .sub_boxR_dl{display:block}.sub_boxR_dl li a{padding:.5em;padding-right:calc(.5em + 6.66vw + .5em)}.sub_boxR_dl li a::after{width:6.66vw;height:6.66vw}}.video_box{width:370px}.video_box img{width:100%;border:solid 1px #b5b5b6;margin-bottom:1rem}.lity-container{width:100%;max-width:964px!important}.lity-container video{width:100%}.lity-container video:hover{opacity:1}.video_p{font-size:16px;text-align:center;width:110%;margin-left:-5%}.is-coloeMode_dark .video_p{color:#fff!important}.video_p:after,.video_p:before{content:"";display:inline-block;width:.5em;height:1px;background:#595757;vertical-align:middle}.video_p:before{margin-right:6px}.video_p:after{margin-left:6px}.is-coloeMode_dark .video_p:after,.is-coloeMode_dark .video_p:before{background:#fff!important}#english #con03 .video_p{font-size:20px}.video_box.kinjitu a{pointer-events:none}.video_box.kinjitu a:hover,.video_box.kinjitu a:hover *{opacity:1;cursor:default}@media screen and (max-width:768px){.video_box{width:100%;margin-bottom:10.6vw}.lity-container{width:100%;max-width:964px!important}.lity-container video{width:100%}.lity-container video:hover{opacity:1}.video_p{font-size:4vw;width:100%;margin-left:0}.video_p:after,.video_p:before{content:"";display:inline-block;width:4.5px;height:1px;background:#595757;vertical-align:middle}.video_p:before{margin-right:6px}.video_p:after{margin-left:6px}.is-coloeMode_dark .video_p:after,.is-coloeMode_dark .video_p:before{background:#fff!important}#english #con03 .video_p{font-size:4.26vw}#english #con03 .video_p:after,#english #con03 .video_p:before{content:normal}}.content_area{position:relative;width:1300px}.content_area .square_btn{opacity:0}.content_area .bg_dot{opacity:0}.content_area .icon_video{opacity:0}.content_area .video_p{opacity:0}.content_bg{position:absolute;opacity:0;z-index:-1;width:840px;height:350px;background-size:inherit;background-image:url(/keirinkan/chu/text_2021/images/bg_plaid.png)}#con01 .content_bg,#con03 .content_bg{left:0}#con02 .content_bg,#con04 .content_bg{right:0}.content_bg.light_green{background-color:#f2f9f8}.content_bg.light_purple{background-color:#f2f2f9}.content_bg.light_blue{background-color:#edf7fd}.content_bg.light_yellow_green{background-color:#f2fcf7}.content_bg.light_pink{background-color:#fff5fa}.content_bg.light_gray{background-color:#f2f2f2}.content_box{width:1016px;margin:auto;margin-bottom:40px;padding-top:100px}@media print,screen and (min-width:769px){.content_box{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}#con02 .content_box,#con04 .content_box{-webkit-box-orient:horizontal;-webkit-box-direction:reverse;-ms-flex-direction:row-reverse;flex-direction:row-reverse}}.content_box_img{width:550px;height:auto;opacity:0}.content_box_img img{width:100%}.content_box_ex{width:450px}.content_box_ex_tit{width:428px;height:auto;opacity:0;margin:0 auto 35px auto}.content_box_ex_tit img{width:100%}.content_box_ex_tx *{font-size:.88em;opacity:0;line-height:1.75}.is-coloeMode_dark .content_box_ex_tx p{background:rgba(0,0,0,.5)}@media screen and (max-width:768px){.content_area{position:relative;width:106%;margin-left:-3%}.content_bg{width:86vw;height:55.4vw;top:35.4vw}.content_box{position:relative;width:100%;margin-bottom:8vw;padding-top:100px}.content_box_img{width:86vw;margin:0 auto 13.3vw auto}.content_box_img img{width:100%}.content_box_ex{width:86vw;margin:auto}.content_box_ex_tit{position:absolute;top:0;left:50%;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:72vw}.content_box_ex_tit img{width:100%}.content_box_ex_tx *{font-size:4.26vw}}#con01 .content_bg.add_anime,#con03 .content_bg.add_anime{-webkit-animation-name:content_bg_fadeInL;animation-name:content_bg_fadeInL}#con02 .content_bg.add_anime,#con04 .content_bg.add_anime{-webkit-animation-name:content_bg_fadeInR;animation-name:content_bg_fadeInR}#con01 .content_bg.add_anime,#con02 .content_bg.add_anime,#con03 .content_bg.add_anime,#con04 .content_bg.add_anime{-webkit-animation-duration:1.5s;animation-duration:1.5s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards}#con01 .content_box_img.add_anime,#con03 .content_box_img.add_anime{-webkit-animation-name:content_img_fadeInL;animation-name:content_img_fadeInL}#con02 .content_box_img.add_anime,#con04 .content_box_img.add_anime{-webkit-animation-name:content_img_fadeInR;animation-name:content_img_fadeInR}#con01 .content_box_img.add_anime,#con02 .content_box_img.add_anime,#con03 .content_box_img.add_anime,#con04 .content_box_img.add_anime{-webkit-animation-duration:1.75s;animation-duration:1.75s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-delay:.15s;animation-delay:.15s}#con01 .content_box_ex_tit.add_anime,#con02 .content_box_ex_tit.add_anime,#con03 .content_box_ex_tit.add_anime,#con04 .content_box_ex_tit.add_anime{-webkit-animation-name:normal_fadeIn;animation-name:normal_fadeIn;-webkit-animation-duration:.75s;animation-duration:.75s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-delay:1.25s;animation-delay:1.25s}#con01 .content_box_ex_tx.add_anime *,#con02 .content_box_ex_tx.add_anime *,#con03 .content_box_ex_tx.add_anime *,#con04 .content_box_ex_tx.add_anime *{-webkit-animation-name:normal_fadeIn;animation-name:normal_fadeIn;-webkit-animation-duration:.75s;animation-duration:.75s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-delay:1.5s;animation-delay:1.5s}#con01 .square_btn.add_anime,#con02 .square_btn.add_anime,#con03 .square_btn.add_anime,#con04 .square_btn.add_anime{-webkit-animation-name:normal_fadeIn;animation-name:normal_fadeIn;-webkit-animation-duration:.75s;animation-duration:.75s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-delay:1.75s;animation-delay:1.75s}@media print,screen and (min-width:769px){ul.link_bnr_area li:nth-child(3n) a{margin-right:0}ul.link_bnr_area{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap}}ul.link_bnr_area{width:1016px;margin:0 auto 60px auto}ul.link_bnr_area li a{position:relative;display:block;width:330px;margin-right:10px;margin-bottom:10px;background:-o-linear-gradient(top,#f7f9f9 0,#f7f9f9 30px,#f0efef 30px,#f0efef 100%);background:linear-gradient(180deg,#f7f9f9 0,#f7f9f9 30px,#f0efef 30px,#f0efef 100%);-webkit-box-shadow:6px 6px #c9caca;box-shadow:6px 6px #c9caca}ul.link_bnr_area li:not(.no_style) a{padding:.7em 1em;font-size:1.11em}ul.link_bnr_area li.no_style a img{width:100%}#math ul.link_bnr_area li:not(.no_style):not(.pdf_gray) a,.is-coloeMode_dark #math ul.link_bnr_area li:not(.no_style) a{color:#0085c9!important;border:2px solid #85afdd}#science ul.link_bnr_area li:not(.no_style):not(.pdf_gray) a,.is-coloeMode_dark #science ul.link_bnr_area li:not(.no_style) a{color:#45aa45!important;border:2px solid #8fc379}#english ul.link_bnr_area li:not(.no_style):not(.pdf_gray) a,.is-coloeMode_dark #english ul.link_bnr_area li:not(.no_style) a{color:#fa6e2a!important;border:2px solid #f9a064}.is-coloeMode_dark #english ul.link_bnr_area li.pdf_gray a,.is-coloeMode_dark #math ul.link_bnr_area li.pdf_gray a,.is-coloeMode_dark #science ul.link_bnr_area li.pdf_gray a,ul.link_bnr_area li.pdf_gray a{color:#b5b5b6!important;border:2px solid #b5b5b6!important;opacity:1;cursor:default}ul.link_bnr_area li.excel a,ul.link_bnr_area li.pdf a,ul.link_bnr_area li.pdf_gray a,ul.link_bnr_area li.word a{padding:.7em calc(38px + .7em + .25em) .7em 1em}ul.link_bnr_area li.excel a::after,ul.link_bnr_area li.pdf a::after,ul.link_bnr_area li.pdf_gray a::after,ul.link_bnr_area li.word a::after{content:"";position:absolute;top:50%;-webkit-transform:translateY(-50%);-ms-transform:translateY(-50%);transform:translateY(-50%);right:.7em;width:38px;height:38px;background-size:contain;background-repeat:no-repeat}ul.link_bnr_area li.word a::after{background-image:url(/keirinkan/chu/text_2021/images/icon_word.png)}ul.link_bnr_area li.pdf a::after{background-image:url(/keirinkan/chu/text_2021/images/icon_pdf.png)}ul.link_bnr_area li.pdf_gray a::after{background-image:url(/keirinkan/chu/text_2021/images/icon_pdf_gray.png)}ul.link_bnr_area li.excel a::after{background-image:url(/keirinkan/chu/text_2021/images/icon_excel.png)}@media screen and (max-width:768px){ul.link_bnr_area{width:calc(100% - 1.6vw);margin:0 auto 9.33vw auto}ul.link_bnr_area li a{color:#0085c9;display:block;width:100%;margin-right:0;margin-bottom:3.2vw;-webkit-box-shadow:1.6vw 1.6vw #c9caca;box-shadow:1.6vw 1.6vw #c9caca}ul.link_bnr_area li:not(.no_style) a{padding:.7em 1em;font-size:4.8vw}ul.link_bnr_area li.excel a,ul.link_bnr_area li.pdf a,ul.link_bnr_area li.pdf_gray a,ul.link_bnr_area li.word a{padding:.7em calc(7.46vw + .7em + .25em) .7em 1em}ul.link_bnr_area li.excel a::after,ul.link_bnr_area li.pdf a::after,ul.link_bnr_area li.pdf_gray a::after,ul.link_bnr_area li.word a::after{width:7.46vw;height:7.46vw}}.bg_dot{width:1260px;border:none;height:2px;margin:85px auto 43px auto;background-image:url(/keirinkan/chu/text_2021/images/bg_dot.png);background-size:contain}@media screen and (max-width:768px){.bg_dot{width:94%;margin:13.3vw auto}}.icon_video{position:relative;font-size:1.55em;text-align:center;margin-bottom:1em}.icon_video::before{content:"";display:inline-block;width:33px;height:23px;background-image:url(/keirinkan/chu/text_2021/images/icon_video.png);background-repeat:no-repeat;background-size:contain;margin-right:.5em;transform:translateY(2px)}.icon_video.add_anime,.video_p.add_anime{-webkit-animation-name:normal_fadeIn;animation-name:normal_fadeIn;-webkit-animation-duration:.75s;animation-duration:.75s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-delay:1.75s;animation-delay:1.75s}@media screen and (max-width:768px){.icon_video{font-size:4.8vw;padding-left:0}.icon_video::before{width:5.6vw;height:3.86vw}}.anchor_box{width:1016px;margin:auto;display:-webkit-box;display:-ms-flexbox;display:flex;margin-bottom:65px;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.anchor_box_btn{position:relative;width:calc((100% - 20px)/ 3);font-size:1.4em;border:1px solid;line-height:2.7em;text-align:center;font-weight:300;margin:0 5px}.anchor_box_btn::after{content:"";height:.5em;position:absolute;width:0;height:0;border-style:solid;border-width:9px 0 9px 10px;right:.25em;top:50%;-webkit-transform:translateY(-50%);-ms-transform:translateY(-50%);transform:translateY(-50%)}.anchor_box_btn a{display:inline-block;width:100%;opacity:1}@media print,screen and (min-width:769px){.anchor_box_btn a:hover::after{content:"";position:absolute;width:90%;bottom:8px;left:5%;border-bottom:2px #fff solid;-webkit-transform-origin:center;-ms-transform-origin:center;transform-origin:center;-webkit-animation-name:main_area_tit_scale;animation-name:main_area_tit_scale;-webkit-animation-duration:.75s;animation-duration:.75s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards}}.anchor_box_btn span{font-size:1em;margin-left:-.25em}.anchor_box_btn a:hover{-webkit-box-shadow:0 0 7px 0 rgba(0,0,0,.1);box-shadow:0 0 7px 0 rgba(0,0,0,.1)}.anchor_box_btn a:hover span{color:#fff;opacity:1}#math .anchor_box_btn{background-color:#eef7fb}#math .anchor_box_btn::after{border-color:transparent transparent transparent #0085c9}#math .anchor_box_btn a:hover{background-color:#0085c9}#science .anchor_box_btn{background-color:#f2f9f2}#science .anchor_box_btn::after{border-color:transparent transparent transparent #45aa45}#science .anchor_box_btn a:hover{background-color:#45aa45}#english .anchor_box_btn{background-color:#fef5f0}#english .anchor_box_btn::after{border-color:transparent transparent transparent #fa6e2a}#english .anchor_box_btn a:hover{background-color:#fa6e2a}.is-coloeMode_dark #english .anchor_box_btn::after,.is-coloeMode_dark #math .anchor_box_btn::after,.is-coloeMode_dark #science .anchor_box_btn::after{border-color:transparent transparent transparent #fff}@media screen and (max-width:768px){.anchor_box{width:94%;margin:auto;margin-bottom:6.4vw;display:block}.anchor_box_btn{width:100%;font-size:4.8vw;line-height:2em;margin-right:0;margin-bottom:4vw}.anchor_box_btn::after{border-width:2vw 0 2vw 2.4vw;right:.4em}.anchor_box_btn a:hover::after{width:94%;bottom:7%;left:3%}.anchor_box_btn span{margin-left:-.4em;font-size:4.66vw}}@-webkit-keyframes main_area_bg_fadeIn{0%{opacity:0;-webkit-transform:translateY(-50px);transform:translateY(-50px)}100%{opacity:.5;-webkit-transform:translateY(-270px);transform:translateY(-270px)}}@keyframes main_area_bg_fadeIn{0%{opacity:0;-webkit-transform:translateY(-50px);transform:translateY(-50px)}100%{opacity:.5;-webkit-transform:translateY(-270px);transform:translateY(-270px)}}@-webkit-keyframes main_area_bg_fadeIn_sp{0%{opacity:0;-webkit-transform:translateY(10.6vw);transform:translateY(10.6vw)}100%{opacity:.5;-webkit-transform:translateY(-15.2vw);transform:translateY(-15.2vw)}}@keyframes main_area_bg_fadeIn_sp{0%{opacity:0;-webkit-transform:translateY(10.6vw);transform:translateY(10.6vw)}100%{opacity:.5;-webkit-transform:translateY(-15.2vw);transform:translateY(-15.2vw)}}@-webkit-keyframes main_area_tit_scale{0%{-webkit-transform:scaleX(0);transform:scaleX(0)}100%{opacity:1;-webkit-transform:scaleX(1);transform:scaleX(1)}}@keyframes main_area_tit_scale{0%{-webkit-transform:scaleX(0);transform:scaleX(0)}100%{opacity:1;-webkit-transform:scaleX(1);transform:scaleX(1)}}@-webkit-keyframes normal_fadeIn{0%{opacity:0}100%{opacity:1}}@keyframes normal_fadeIn{0%{opacity:0}100%{opacity:1}}@-webkit-keyframes main_area_tb_fadeIn{0%{opacity:0;-webkit-transform:translateY(-80px);transform:translateY(-80px)}50%{opacity:.5}100%{opacity:1}}@keyframes main_area_tb_fadeIn{0%{opacity:0;-webkit-transform:translateY(-80px);transform:translateY(-80px)}50%{opacity:.5}100%{opacity:1}}@-webkit-keyframes content_bg_fadeInL{0%{opacity:0;-webkit-transform:translateX(-300px);transform:translateX(-300px)}50%{opacity:.5}100%{opacity:1}}@keyframes content_bg_fadeInL{0%{opacity:0;-webkit-transform:translateX(-300px);transform:translateX(-300px)}50%{opacity:.5}100%{opacity:1}}@-webkit-keyframes content_bg_fadeInR{0%{opacity:0;-webkit-transform:translateX(300px);transform:translateX(300px)}50%{opacity:.5}100%{opacity:1}}@keyframes content_bg_fadeInR{0%{opacity:0;-webkit-transform:translateX(300px);transform:translateX(300px)}50%{opacity:.5}100%{opacity:1}}@-webkit-keyframes content_img_fadeInL{0%{opacity:0;-webkit-transform:translateX(-300px);transform:translateX(-300px)}50%{opacity:.5}100%{opacity:1}}@keyframes content_img_fadeInL{0%{opacity:0;-webkit-transform:translateX(-300px);transform:translateX(-300px)}50%{opacity:.5}100%{opacity:1}}@-webkit-keyframes content_img_fadeInR{0%{opacity:0;-webkit-transform:translateX(300px);transform:translateX(300px)}50%{opacity:.5}100%{opacity:1}}@keyframes content_img_fadeInR{0%{opacity:0;-webkit-transform:translateX(300px);transform:translateX(300px)}50%{opacity:.5}100%{opacity:1}}@-webkit-keyframes science_fadeOut{0%{opacity:1}100%{opacity:.5}}@keyframes science_fadeOut{0%{opacity:1}100%{opacity:.5}}@-webkit-keyframes science_fadeInL{0%{opacity:0;-webkit-transform:translateX(-110px);transform:translateX(-110px)}50%{opacity:.5}100%{opacity:1}}@keyframes science_fadeInL{0%{opacity:0;-webkit-transform:translateX(-110px);transform:translateX(-110px)}50%{opacity:.5}100%{opacity:1}}@-webkit-keyframes science_fadeInR{0%{opacity:0;-webkit-transform:translateX(110px);transform:translateX(110px)}50%{opacity:.5}100%{opacity:1}}@keyframes science_fadeInR{0%{opacity:0;-webkit-transform:translateX(110px);transform:translateX(110px)}50%{opacity:.5}100%{opacity:1}}@-webkit-keyframes science_scale{0%{opacity:0;-webkit-transform:scale(.3) rotate(-180deg) translateX(-50%);transform:scale(.3) rotate(-180deg) translateX(-50%)}100%{opacity:1;-webkit-transform:scale(1) rotate(-360deg) translateX(-50%);transform:scale(1) rotate(-360deg) translateX(-50%)}}@keyframes science_scale{0%{opacity:0;-webkit-transform:scale(.3) rotate(-180deg) translateX(-50%);transform:scale(.3) rotate(-180deg) translateX(-50%)}100%{opacity:1;-webkit-transform:scale(1) rotate(-360deg) translateX(-50%);transform:scale(1) rotate(-360deg) translateX(-50%)}}@-webkit-keyframes english_scale{0%{opacity:0;-webkit-transform:scale(0) translateX(-50%);transform:scale(0) translateX(-50%)}100%{opacity:1;-webkit-transform:scale(1) translateX(-50%);transform:scale(1) translateX(-50%)}}@keyframes english_scale{0%{opacity:0;-webkit-transform:scale(0) translateX(-50%);transform:scale(0) translateX(-50%)}100%{opacity:1;-webkit-transform:scale(1) translateX(-50%);transform:scale(1) translateX(-50%)}}@-webkit-keyframes english_zoomOut{0%{-webkit-transform:scale(1.3);transform:scale(1.3)}100%{-webkit-transform:scale(1);transform:scale(1)}}@keyframes english_zoomOut{0%{-webkit-transform:scale(1.3);transform:scale(1.3)}100%{-webkit-transform:scale(1);transform:scale(1)}}@-webkit-keyframes english_zoomOut_sp{0%{-webkit-transform:scale(1.8);transform:scale(1.8)}100%{-webkit-transform:scale(1.6);transform:scale(1.6)}}@keyframes english_zoomOut_sp{0%{-webkit-transform:scale(1.8);transform:scale(1.8)}100%{-webkit-transform:scale(1.6);transform:scale(1.6)}}.showClass{display:block!important}.displayClass{-webkit-animation-name:normal_fadeIn;animation-name:normal_fadeIn;-webkit-animation-duration:1.5s;animation-duration:1.5s;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-delay:.5s;animation-delay:.5s}.noClass{-webkit-animation-delay:0s!important;animation-delay:0s!important}@media print{#english #main_area .main_area_bg::after,#english #main_area .main_area_img,#english .main_area_logo,#math .main_area_logo,#science #main_area .main_area_bg img,#science .main_area_logo,.content_area .bg_dot,.content_area .icon_video,.content_area .square_btn,.content_area .video_p,.content_bg,.content_box_ex_tit,.content_box_ex_tx *,.content_box_img,.main_area_tb li,.main_area_tit img{opacity:1}}