@charset "UTF-8";section + section{margin-top: 15rem;}@media only screen and (max-width: 767px) {section + section{margin-top: 17.86vw;}}.basic_btn{width: 27rem;text-align: center;}@media only screen and (max-width: 767px) {.basic_btn{width: 100%;}}.mv_anime {position: relative;max-width: 1440px;overflow: hidden;margin: auto;}[class^="mv_icon_"] {position: absolute;animation-duration: .5s;width: 9.8%;}[class^="mv_icon_"] img {animation-duration: .5s;}.mv_icon_communication {top: 81.3%;left: 77.7%;}.mv_icon_communication img {animation-delay: .3s;}.mv_icon_testtube01 {top: 64.9%;left: 87.9%;}.mv_icon_testtube01 img {animation-delay: .5s;}.mv_icon_globe {top: 44.9%;left: 84%;}.mv_icon_globe img {animation-delay: .1s;}.mv_icon_flask {top: 24.5%;left: 88.8%;}.mv_icon_flask img {animation-delay: .6s;}.mv_icon_cube {top: 4.0%;left: 87.7%;}.mv_icon_cube img {animation-delay: .8s;}.mv_icon_ruler01 {top: 79.5%;left: 10.4%;}.mv_icon_ruler01 img {animation-delay: .9s;}.mv_icon_testtube02 {top: 69.5%;left: 1.9%;}.mv_icon_testtube02 img {animation-delay: .2s;}.mv_icon_calculator {top: 49.5%;left: 5.2%;}.mv_icon_calculator img {animation-delay: .7s;}.mv_icon_ruler02 {top: 11.5%;left: 2.7%;}.mv_icon_ruler02 img {animation-delay: .4s;}.mv_title_wrap {width: 53%;position: absolute;transform: translateX(-50%);top: 0;left: 50%;}.mv_title_wrap_inner {position: relative;animation-delay: 1.5s;animation-duration: .5s;}.mv_title {position: absolute;top: 0;left: 0;animation-delay: 2s;animation-duration: .5s;}[class^="mv_title_tile"] {position: absolute;top: 0;left: 0;opacity: 0;transition: .25s opacity ease-in-out;}[class^="mv_title_tile"].active {opacity: 1;}@media only screen and (max-width: 767px) {.mv_title_wrap {width: 124%;}[class^="mv_icon_"] {width: 19%;}.mv_icon_communication {top: 56.7%;left: 32.7%;}.mv_icon_testtube01 {display: none;}.mv_icon_globe {top: 80.1%;left: 65.2%;}.mv_icon_flask {top: 71.5%;left: 81.8%;}.mv_icon_cube {display: none;}.mv_icon_ruler01 {top: 79%;left: 21.4%;}.mv_icon_testtube02 {top: 76.5%;left: 1.9%;}.mv_icon_calculator {top: 68.6%;left: 47.2%;}.mv_icon_ruler02 {display: none;}}.top_txbook{max-width: 77.5rem;width: 100%;margin: -3rem auto 0 auto;z-index: 2;position: relative;display: flex;justify-content: space-between;}.top_txbook img{width: auto;height: 28.6rem;box-shadow: 0rem 0rem 1.5rem rgb(0 0 0 / 30%);}@media only screen and (max-width: 767px) {.top_txbook{max-width: 100%;margin: 0 auto;}.top_txbook img{height: 30.1vw;}}#concept{position: relative;background-image: url("/keirinkan/chu_r7/images/top_concept_bg.webp");background-repeat: no-repeat;background-size: 23.7rem 36.6rem;background-position-y: 46.5rem;}#concept::after{position: absolute;right: 0;top: 35rem;content: "";width: 23.7rem;height: 36.6rem;background-image: url(/keirinkan/chu_r7/images/top_concept_bg.webp);background-repeat: no-repeat;background-size: contain;transform: rotate(180deg);}.top_concept{padding-top: 15rem;}.top_concept_tx{display: flex;flex-direction: column;align-items: center;font-size: 2.2rem;line-height: 2;text-align: center;}.top_concept_tx::before, .top_concept_tx::after{content: "";background-image: url("/keirinkan/chu_r7/images/top_concept_hr.webp");width: 44rem;height: 2px;background-repeat: no-repeat;background-size: contain;}.top_concept_tx::before{margin-bottom: 6.8rem;}.top_concept_tx::after{margin-top: 6.5rem;}@media only screen and (max-width: 767px) {#concept{position: relative;background-image: url("/keirinkan/chu_r7/images/top_concept_bg_sp.webp");background-repeat: no-repeat;background-size: 8vw 15.2vw;background-position-y: bottom;background-position-x: 8%;}#concept::after{position: absolute;right: 6%;top: 20%;width: 8vw;height: 15.2vw;background-image: url('/keirinkan/chu_r7/images/top_concept_bg_sp.webp');}.top_concept{width: 100%;margin: auto;padding-top: 21.33vw;}.top_concept_tit{font-size: 5.33vw;text-align: center;}.top_concept_tx{font-size: 4.8vw;}.top_concept_tx::before{width: 100%;margin-bottom: 8vw;margin-top: 1.15em;}.top_concept_tx::after{background-image: none;margin-top: 14vw;}}#kaisetsu .inner_maxw1440{position: relative;background-image: url("/keirinkan/chu_r7/images/kaisetsu_bg.webp");background-size: cover;background-repeat: no-repeat;background-position: center;padding-top: 6rem;padding-bottom: 5rem;}.kaisetsu_area{position: relative;z-index: 2;}.kaisetsu_bg_anime{position: absolute;width: 52%;animation-name: scroll_fadein_RtoL;animation-duration: 1.75s;animation-fill-mode: forwards;top: 0;right: 0;z-index: 1;}.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;}.kaisetsu_box .bigmaru li::before{background: #0168B7;}#kaisetsu .basic_btn_wrap{justify-content: flex-start;}@media only screen and (max-width: 767px) {#kaisetsu {background-image: url("/keirinkan/chu_r7/images/kaisetsu_bg_sp.webp");background-repeat: no-repeat;background-size: contain;}#kaisetsu .inner_maxw1440{background-image:none;padding-top: 5.66vw;padding-bottom: 8vw;}.kaisetsu_area{position: relative;z-index: 2;}.kaisetsu_bg_anime{position: relative;width: 120%;animation-name: scroll_fadein_RtoL;animation-duration: 1.75s;animation-fill-mode: forwards;top: 7px;left: -10%;z-index: 1;}.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{display: flex;align-items: center;justify-content: space-between;margin: 6vw 0 3vw 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 p:nth-child(1){background-color: #009DDA;}.kaisetsu_logo p:nth-child(2){background-color: #13A200;}.kaisetsu_logo p:nth-child(3){background-color: #6545CC;}#kaisetsu .basic_btn_wrap{margin-top: 8vw;margin-bottom: 5.5vw;}}.contents_list + .contents_list {margin-top: 1.7rem;}.contents_math {background-color: #DEF1F5;}.contents_science {background-color: #EAF3D3;}.contents_english {background-color: #F0E8FA;}.flex_box_contents {position: relative;width: 100%;min-height: 33.1rem;}.contents_math .flex_box_contents, .contents_english .flex_box_contents {margin: 0 0 0 auto;}.contents_science .flex_box_contents {margin: 0 0 0 auto;justify-content: flex-end;}.contents_math .flex_box_contents .flex_item:first-child, .contents_science .flex_box_contents .flex_item:last-child, .contents_english .flex_box_contents .flex_item:first-child {width: 96.4%;padding: 1.3% 0;z-index: 1;}.contents_science .flex_box_contents .flex_item:last-child {padding-left: 48.5%;}.contents_math .flex_box_contents .flex_item:last-child, .contents_science .flex_box_contents .flex_item:first-child, .contents_english .flex_box_contents .flex_item:last-child {width: auto;}.contents_list_tit {font-size: 6rem;font-weight: bold;}.contents_math .contents_list_tit {color: #0083D0;}.contents_science .contents_list_tit {color: #137800;}.contents_english .contents_list_tit {color: #4D28A5;}.contents_list_top {display: flex;align-items: center;}.contents_list_marks {position: relative;flex: 1;}.contents_list_marks > span {color: #fff;font-size: 1.5rem;display: inline-block;background-color: #80805359;border-radius: 0.2em;padding: 0.2em 0.6em;margin: 0.8rem 0 0 1.7rem;}.contents_math .contents_list_marks > span {background-color: #5EBDD1;}.contents_science .contents_list_marks > span {background-color: #AECB66;}.contents_english .contents_list_marks > span {background-color: #AB91D3;}.contents_math .flex_box_contents .flex_item:last-child, .contents_science .flex_box_contents .flex_item:first-child{position: absolute;bottom: 0;left: 50%;width: 144rem;transform: translateX(-50%);}.contents_english .flex_box_contents .flex_item:last-child {position: absolute;bottom: 0;left: 54%;width: 155.4rem;transform: translateX(-50%);}.contents_science .flex_box_contents .flex_item:first-child{right: 50%;left: auto;transform: translateX(50%);}.contents_list .basic_btn {margin-top: 2.5rem;}.contents_list .txt{overflow-wrap: break-word;}@media only screen and (max-width: 767px) {.contents_list + .contents_list {margin-top: 6.4vw;}.contents_list {position: relative;padding: 0 0 10.66vw;}.contents_math .flex_box_contents .flex_item:first-child, .contents_science .flex_box_contents .flex_item:last-child, .contents_english .flex_box_contents .flex_item:first-child {width: 100%;padding: 0;}.contents_math .flex_box_contents .flex_item:last-child, .contents_science .flex_box_contents .flex_item:first-child, .contents_english .flex_box_contents .flex_item:last-child {width: 120%;max-width: 120%;bottom: auto;transform: initial;margin-top: 0;}.contents_math .flex_box_contents .flex_item:last-child, .contents_science .flex_box_contents .flex_item:first-child, .contents_english .flex_box_contents .flex_item:last-child{right: -10%;left: auto;top: -8%;}.contents_english .flex_box_contents .flex_item:last-child{top: -6%;}.contents_science .scroll_anime.scroll_flex_LtoR.show .flex_item:first-child {animation-name: scroll_fadein_RtoL;}.contents_list_top {flex-direction: column;align-items: flex-start;margin-bottom: 5.33vw;}.contents_list_tit {font-size: 12.8vw;margin: 18.6vw 0 2.66vw;}.contents_list_marks {bottom: 0;display: inline-flex;flex-direction: column;align-items: flex-start;}.contents_list_marks > span {font-size: 4.8vw;border-radius: 4px;margin: 0;}.contents_list_marks > span + span {margin-top: 1rem;}.contents_list .basic_btn {margin-top: 2rem;}}.section_ict {position: relative;background-color: #F4F7FA;}.ict_tit {position: absolute;min-width: 62.6rem;margin-left: -7.2%;padding: 0.45em 1em 0.45em 3em;color: #222223;font-size: 4rem;top: 5rem;font-weight: bold;background-image: linear-gradient(90deg, rgba(151, 181, 229, 1), rgba(183, 205, 240, 1));z-index: 2;}.section_ict .txt {margin: 18.8rem 0 15.7rem 0;}.section_ict .flex_item {min-width: 39rem;width: 100%;z-index: 2;}.section_ict .flex_item:last-child {max-width: 89rem;min-width: 89rem;width: 100%;z-index: 1;}.section_ict .flex_item:last-child img {position: absolute;top: 50%;transform: translateY(-50%);left: 2.5%;width: 100%;}.ict_btns {display: flex;align-items: center;position: absolute;bottom: 6rem;}.ict_btns li + li {margin-left: 3.8rem;}@media only screen and (max-width: 767px) {.section_ict {padding-top: 14.4vw;padding-bottom: 12.8vw;}.ict_tit {position: static;min-width: 120%;margin-left: -10%;padding: 0.25em 0;font-size: 8.53vw;text-align: center;}.section_ict .txt {margin: 10.66vw 0;}.section_ict .flex_item {min-width: 100%;}.section_ict .flex_item:last-child {max-width: 100%;min-width: 100%;width: 100%;z-index: 1;}.section_ict .flex_item:last-child img {width: 120%;bottom: -76.33vw;top: auto;transform: translateY(0%);left: -10%;}.ict_btns {display: flex;flex-direction: column;position: static;}.ict_btns li{width: 100%;}.ict_btns li + li {margin-left: 0;margin-top: 6.666vw;}}.section_multilingual {margin-top: 10.7rem;background-color: #FAF7F4;position: relative;}.multi_tit_box{margin-bottom: 2.1rem;}.multi_logo{width: 39.5rem;margin-bottom: 4.3rem;}.multi_tit {font-size: 2.4rem;font-weight: bold;}.multi_txt {padding-left: 8%;}.multi_txt .txt {width: 39.2rem }.section_multilingual .txt {margin-bottom: 3.4rem;}.section_multilingual .flex_item {width: 45%;}.section_multilingual .flex_item:last-child {margin: 3rem 0 5rem 0;}.section_multilingual .flex_item:first-child {width: 55%;}.section_multilingual .flex_item:first-child img {position: absolute;top: 50%;transform: translateY(-50%);left: -5.5%;width: 122.5%;}.section_multilingual .basic_btn{display: block;margin: auto;}@media only screen and (max-width: 767px) {.section_multilingual{margin-top: 76.33vw;padding-top: 12.26vw;padding-bottom: 70.33vw;}.section_multilingual .flex_box.flex_box_multi{display: block;}.multi_tit_box{margin-bottom: 2.1rem;}.multi_logo{width: 100%;margin-bottom: 12.26vw;}.multi_tit {font-size: 2.4rem;font-weight: bold;}.multi_txt {padding-left: 0;}.multi_txt .txt {width: 100%;}.section_multilingual .txt {margin-bottom: 3.4rem;}.section_multilingual .flex_item {width: 100%;}.section_multilingual .flex_item:last-child {margin: 0;}.section_multilingual .flex_item:first-child {position: absolute;width: 100%;bottom: 0;}.section_multilingual .flex_item:first-child img {position: absolute;top: auto;bottom: 0;transform: translateY(0);left: -8%;width: 100%;}.section_multilingual .basic_btn{display: block;margin: auto;}}.scroll_anime.scroll_flex_LtoR .flex_item:first-child, .scroll_anime.scroll_flex_RtoL .flex_item:last-child {opacity: 0;}.scroll_anime.scroll_flex_LtoR.show .flex_item:first-child {animation-name: scroll_fadein_LtoR;animation-duration: 1.75s;animation-fill-mode: forwards;}@keyframes scroll_fadein_LtoR {0% {opacity: 0;transform: translateX(-300px);}100% {opacity: 1;}}.scroll_anime.scroll_flex_RtoL.show .flex_item:last-child {animation-name: scroll_fadein_RtoL;animation-duration: 1.75s;animation-fill-mode: forwards;}@keyframes scroll_fadein_RtoL {0% {opacity: 0;transform: translateX(300px);}100% {opacity: 1;}}.scroll_anime.scroll_flex_LtoR .flex_item:last-child, .scroll_anime.scroll_flex_RtoL .flex_item:first-child {opacity: 0;}.scroll_anime.scroll_flex_LtoR.show .flex_item:last-child, .scroll_anime.scroll_flex_RtoL.show .flex_item:first-child {animation-name: scroll_fadein;animation-duration: .75s;animation-fill-mode: forwards;animation-delay: .75s;}@keyframes scroll_fadein {0% {opacity: 0;}100% {opacity: 1;}}