@charset "UTF-8";

html{
    overflow-x: hidden;
}

.all{
    width: 100%;
    margin: 0 auto;
    max-width: 1280px;
}

/*-------------------------------*/

.top{
    margin-top:125px;
    width: 100%;
    height: auto;
    background-color: aliceblue;
    padding: 6% 14%;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
}

.top::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 100%;
    background-color: aliceblue;
    z-index: -1;
}

.top .big_title{
    width: 37%;
}

.top .big_title img{
    width: 100%;
    min-width: 80%;
}

.top .title_bar{
    width:16%;
    height:1px;
    background-color: #00a0ff;
    margin-top:2%;
}

.top .small_title{
    color: #00a0ff;
    font-size: 20px;
    padding-top:1%;
}
/*-------------------------------*/


.branching_links{
    padding:2% 5%;
    color: #00a0ff;
    font-size: 14px;
}

.branching_links .br_links a{
    color: #00a0ff;
    text-decoration: none;
}

.branching_links .br_links a:hover{
    color: #8aceff;
    transition: all ease 0.3s;
}

/*-------------------------------*/

.btns {
    width: 72%;
    margin: 0 auto;
    display: flex;
    gap: 2%;
    justify-content: space-between;
}

.btns a {
    display: block;
    text-decoration: none;
    flex: 1;
    width: 100%;
}

.btns .btn {
    font-size: clamp(16px, 2vw, 22px);
    white-space: nowrap;
    color: #00a0ff;
    padding: 5% 1%;
    border: 1px solid #00a0ff;
    border-top: none;
    border-left: none;
    border-bottom-right-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-height: 50px;
    box-sizing: border-box;
    position: relative;
}

.btns .btn .tr {
    width: 8px;
    height: 12px;
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    display: inline-block;
    margin: 0;
    background-color: transparent;
    flex-shrink: 0;
}

.btns .btn .tr::before {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    border-bottom: 2px solid #00a0ff;
    border-right: 2px solid #00a0ff;
    transform: rotate(45deg);
    right: 0;
    top: 50%;
    margin-top: -4px;
}




/*-------------------------------*/

.course{
    width: 100%;
    scroll-margin-top: 150px;
}

.course .sentence{
    font-size: clamp(8px, 1.7vw, 16px);
}

.course .ttl .top_img{
    margin: 5% 2% 0 0;
    text-align: center;
}

.course .ttl .top_img img{
    width: 80%;
}


.course .sentence1{
    margin-left: 10%;
    margin-right: 10%;
}


.course .ttl1 .container{
    width: 60%;
    display: flex;
    margin: 6% auto;
    gap: 4%;
    position: relative;
    z-index: 1;
}

.course .ttl1 .container .course{
    flex: 1 1 0;
    max-width: 25%;
    margin: 0;
    position: relative;
    cursor: pointer;
}

.course .ttl1 .container .course1 img{
    filter: drop-shadow(0 min(7.5vw, 96px) 0 rgb(255,148,167,0.2));
}
.course .ttl1 .container .course2 img{
    filter: drop-shadow(0 min(7.5vw, 96px) 0 rgb(246,173,95,0.2));
}
.course .ttl1 .container .course3 img{
    filter: drop-shadow(0 min(7.5vw, 96px) 0 rgb(168,223,100,0.2));
}
.course .ttl1 .container .course4 img{
    filter: drop-shadow(0 min(7.5vw, 96px) 0 rgb(115,193,247,0.2));
}

.course .ttl1 .container .course img{
    width: 100%;
}

.course .ttl1 .container .course .line{
    position: absolute;
    top: 115%;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 0;
    transition: height 1.2s ease;
    z-index: 5;
}

.course .ttl1 .container .course.is-active .line {
    height: 30%;
}

.course .ttl1 .container .course .line1{
    background-color: #ff94a7;

}

.course .ttl1 .container .course .line2{
    background-color: #f6ad5f;

}

.course .ttl1 .container .course .line3{
    background-color: #a8df64;
}

.course .ttl1 .container .course .line4{
    background-color: #73c1f7;
}


/*-------------------------------*/

.relative_box {
    width: 90%;
    position: relative;
    margin: 0 auto;
    z-index: 2;
}

.relative_box .absolute_content{
    position: absolute;
    top: 35px;
    margin: 0 auto;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.2s ease, visibility 1s ease;
    z-index: 1;
}

.relative_box .absolute_content::before{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    border-radius: 30px;
    z-index: -1;
    border: 1px solid transparent;
}

.relative_box .absolute_content.is-active{
    opacity: 1;
    visibility: visible;
    z-index: 10;
}

.relative_box .absolute_content .course{
    padding: 1% 15%;
    margin: 0 5%;
    width: 30%;
    color: #FFF;
    font-size: clamp(0px, 2.3vw, 23px);
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;
    text-align: center;
    font-weight: 500;
}

.relative_box .absolute_content .flexbox{
    display: flex;
}

.relative_box .absolute_content .flexbox .sentence{
    margin: 8% 3% 8% 10%;
    width: 40%;
}

.relative_box .absolute_content .flexbox .sentence .ttl{
    font-size: clamp(20px, 2.3vw, 23px);
    margin-bottom: 7%;
    line-height: 1.5;
    font-weight: 500;
}

.relative_box .absolute_content .flexbox .sentence .snt{
    font-size: 20px;
    line-height: 1.7;
}

.relative_box .absolute_content .flexbox .image{
    margin:5% 5% 5% 2%;
    width: 50%;
}

.relative_box .absolute_content .flexbox .image img{
    width: 100%;
}

.relative_box .absolute_content .shadow{
    position: absolute;
    z-index: -2;
    width: 100%;
    height: 100%;
    background-image:
    radial-gradient(at 5% 95%, rgb(236, 240, 255) 0px, transparent 40%),
    radial-gradient(at 90% 90%, rgb(189, 244, 255) 0px, transparent 50%),
    radial-gradient(at 30% 40%, rgb(255, 251, 193) 0px, transparent 45%),
    radial-gradient(at 80% 10%, rgb(203, 216, 255) 0px, transparent 50%),
    radial-gradient(at 10% 20%, rgb(236, 220, 253) 0px, transparent 40%);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    border-radius: 30px;
    top: 8%;
    left: 5%;
}

.relative_box .absolute1::before{
    border: #ff94a7 1px solid;
}

.relative_box .absolute_content .course1{
    background-color: #ff94a7;
}

.relative_box .absolute2::before{
    border: #f6ad5f 1px solid;
}

.relative_box .absolute_content .course2{
    background-color: #f6ad5f;
}

.relative_box .absolute3::before{
    border: #a8df64 1px solid;
}

.relative_box .absolute_content .course3{
    background-color: #a8df64;
}

.relative_box .absolute4::before{
    border: #73c1f7 1px solid;
}

.relative_box .absolute_content .course4{
    background-color: #73c1f7;
}

.relative_box .absolute_content .line{
    position: absolute;
    width: 1px;
    height: 35%;
    top: -35%;
}

.relative_box .absolute_content .course_mark{
    position: absolute;
    top: 22%;
    left: 2%;
    width: 15%;
    z-index: -1;
}

.relative_box .absolute_content .course_mark img{
    width: 100%;
}

/*----------------------------------*/


.common_btn {
    font-size: 20px;
    background-color: #fff;
    width: 350px;
    max-width: 350px;
    aspect-ratio: 330 / 55;
    height: auto;
    text-align: center;
    border: 1px solid #00a0ff;
    border-radius: 999px;
    position: relative;
    transition: background-color 0.25s ease, border-color 0.25s ease;
    margin: 10% auto 0;
}

.common_btn a {
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
}

.common_btn .word {
    color: #00a0ff;
    transition: color 0.25s ease;
}

.common_btn .btn_pointer {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-42%);
    width: 3vw;
}

.common_btn .btn_pointer img {
    width: 80%;
    max-width: 25px;
    min-width: 20px;
    height: auto;
}

.common_btn:hover {
    background-color: #00a0ff;
}

.common_btn:hover .word {
    color: #fff;
}

.common_btn .btn_pointer img.hover {
    display: none;
}

.common_btn:hover .btn_pointer img.normal {
    display: none;
}

.common_btn:hover .btn_pointer img.hover {
    display: inline;
}

/*---------------------------*/

.course2{
    position: relative;
    width: 100%;
}

.cs2{
    padding-bottom: 5%;
}

.course2 .container{
    margin: -3.7% -50% 0% 0%;
    border: 1px solid #bce5ff;
    border-radius: 40px;
    z-index: 2;
    position: relative;
    transform: translateZ(0);
}

.course2 .container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #FFF;
    border: 1px solid #bce5ff;
    border-radius: 40px;
    z-index: 0;
}

.course2 .container .sentence{
    margin:4% 0 2% 7%;
    font-size: 16px;
    line-height: 1.8;
    position: relative;
    z-index: 5;
}

.course2 .container .images{
    display: grid;
    grid-template-columns: auto auto auto;
    width: 55%;
    margin:0 4% 2% 6.8%;
    gap: 2%;
    padding-right: 2%;
    position: relative;
    z-index: 5;
}



.course2 .container .images .img img{
    width: 100%;
}

.course2 .container .images .img_snt{
    text-align: center;
    margin-top: 3%;
    font-size: 16px;
}

.course2 .container .shadow{
    position: absolute;
    z-index: -1;
    width: 102%;
    height: 102%;
    background-image:
    radial-gradient(at 5% 95%, rgb(236, 240, 255) 0px, transparent 40%),
    radial-gradient(at 90% 90%, rgb(189, 244, 255) 0px, transparent 50%),
    radial-gradient(at 30% 40%, rgb(255, 251, 193) 0px, transparent 45%),
    radial-gradient(at 80% 10%, rgb(203, 216, 255) 0px, transparent 50%),
    radial-gradient(at 10% 20%, rgb(236, 220, 253) 0px, transparent 40%);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    border-radius: 40px;
    top:7%;
    left: 2.5%;
}

/*---------------------------*/

.course3{
    position: relative;
}

.cs3{
    padding-bottom: 5%;
}

.course3 .container{
    margin: -3.7% 0% 0% -50%;
    border: 1px solid #bce5ff;
    border-radius: 40px;
    z-index: 2;
    position: relative;
    transform: translateZ(0);
}

.course3 .container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #FFF;
    border: 1px solid #bce5ff;
    border-radius: 40px;
    z-index: 0;
}

.course3 .container .sentence{
    margin:4% 5% 2% 40.5%;
    font-size: 16px;
    line-height: 1.8;
    position: relative;
    z-index: 5;
}

.course3 .container .images{
    display: grid;
    grid-template-columns: auto auto auto;
    margin:0 0% 2% 40.2%;
    width: 55%;
    gap: 2%;
    padding-right: 2%;
    position: relative;
    z-index: 5;
}



.course3 .container .images .img img{
    width: 100%;
}

.course3 .container .images .img_snt{
    text-align: center;
    margin-top: 3%;
    font-size: 16px;
}

.course3 .container .shadow{
    position: absolute;
    z-index: -1;
    width: 102%;
    height: 102%;
    background-image:
    radial-gradient(at 5% 95%, rgb(236, 240, 255) 0px, transparent 40%),
    radial-gradient(at 90% 90%, rgb(189, 244, 255) 0px, transparent 50%),
    radial-gradient(at 30% 40%, rgb(255, 251, 193) 0px, transparent 45%),
    radial-gradient(at 80% 10%, rgb(203, 216, 255) 0px, transparent 50%),
    radial-gradient(at 10% 20%, rgb(236, 220, 253) 0px, transparent 40%);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    border-radius: 40px;
    top:7%;
    right: -2.5%;
}

.course2 .container .images,
.course3 .container .images {
    scroll-behavior: auto !important;
}


/*------------------------------------*/

.course4{
    margin: 0 auto 15%;
    width: 100%;
}

.course4 .flexbox{
    align-items: center;
    display: flex;
    margin:0 10.5% 0 7%;
}

.course4 .flexbox .left_flex {

    margin-right: 5%;
    width: 100%;
}

.course4 .flexbox .left_flex .sentence4{
    line-height: 1.8;
    margin-left: 9.5%;
}

.course4 .flexbox .right_flex{
    width: 120%;
}

.course4 .flexbox .right_flex img{
    width: 100%;
}

.course4 .box{
    background-color: #e5f5ff;
    margin: 5% auto;
    padding:3% 7%;
    width: 80%;
    position: relative;
}

.course4 .box:before{
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 100%;
    background-color: #e5f5ff;
    z-index: -1;
}

.course4 .box .ttl{
    font-size: 25px;
    color: #00a0ff;
    margin-bottom: 3%;
    width: 80%;
}

.course4 .box .small_flex{
    display: grid;
    grid-auto-flow: column;
    grid-template-rows: repeat(4, auto);
    grid-template-columns: repeat(3, 1fr);
    gap:0 6%;
    margin: 0 auto;
    font-size: 20px;
    line-height: 2;
}

.course4 .box .small_flex .circle{
    color: #8dcfff;
}

.course4 .box .small_flex .last{
    text-align: right;
}


/*--------------------------*/

.last_sentence{
    background: linear-gradient(to right, #50b8f2, #57cf9f);
    width: 100vw;
    height: 140px;
    display: flex;
    justify-content: center;
    margin-top: 10%;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
}

.last_sentence .word{
    color: #fff;
    font-size: 25px;
    margin: 50px auto;
    white-space: wrap;
}

.last_sentence .img{
    align-items: flex-end;
    align-self: flex-end;
    margin: -10% 0 0 0;
}

.last_sentence .img img{
    width: 100%;
    display: block;
}

.course .ttl .top_img_sp{
    display: none;
}


/*--------------------------*/

@media screen and (max-width:1270px){
    .course4 .box .small_flex{
        display: grid;
        grid-auto-flow: column;
        grid-template-rows: repeat(5, auto);
        grid-template-columns: repeat(2, 1fr);
        font-size: 16px;
        white-space: nowrap;
        gap: 0 2%;
    }
}

@media screen and (max-width:1050px){
    .top{
        margin-top: 90px;
    }
}


@media screen and (max-width: 960px){
    .all .top{
        margin-top: 85px;
        padding: 12% 5%;
    }

    .all .top .small_title{
        font-size: 20px;
    }

    .branching_links{
        font-size: 16px;
        padding: 3% 5%;
    }

    .all .btns {
        display: grid;
        grid-template-columns: 1fr 1fr;
        width: 79%;
        margin: 3% auto;
    }

    .all .btns .btn{
        margin: 1% 0;
        width: 90%;
        font-size: 22px;
        padding: 10px 2px;
        box-sizing: border-box;
    }
    .all .course{
        scroll-margin-top: 100px;
    }

    .all .course .container .images .img .img_snt{
        font-size: 22px;
    }

    .all .course .container .sentence{
        width: 57%;
    }

    .all .course1 .ttl1 .container{
        width: 80%;
    }

    .all .course1 .ttl1 .container .is-active .line{
        height: 40%;
    }

    .all .sentence{
        font-size: 20px !important;
    }

    .all .relative_box .absolute_content{
        left: 0;
    }

    .all .relative_box .absolute_content .shadow{
        left: 5%;
        top: 5%;
    }

    .all .relative_box .absolute_content .course{
        font-size: 19px;
        font-weight: 550;
        width: 50%;
        padding: 6px;
        border-bottom-left-radius: 20px;
        border-bottom-right-radius: 20px;
    }

    .all .relative_box .absolute_content .flexbox{
        display: grid;
        width: 100%;
        margin: 0 auto;
    }

    .all .relative_box .absolute_content .flexbox .sentence,
    .all .relative_box .absolute_content .flexbox .image
    {
        width: 90%;
    }

    .all .relative_box .absolute_content .flexbox .sentence{
        margin: 2% auto;
    }

    .relative_box .absolute_content .flexbox .sentence .ttl{
        margin-top: 5%;
        font-size: 28px;
    }

    .relative_box .absolute_content .flexbox .sentence .snt{
        font-size: 22px;
    }

    .all .relative_box .absolute_content .flexbox .image{
        margin: 3% auto 5%;
    }

    .all .relative_box .absolute_content .course_mark{
        top: 8% !important;
        left: 2% !important;
        width: 15% !important;
        display: block;
    }

    .common_btn{
        margin: 25% auto 0;
    }

    .all .course .container .sentence{
        width: 60%;
    }

    .all .course .ttl1 .container .course.is-active .line{
        height: 26%;
    }

    .all .course .container .images{
        display: grid;
        grid-template-columns: 1fr 1fr;
        width: 60%;
    }

    .all .course .container .images .img{
        width: 100%;
    }

    .all .cs2 .container .images,
    .all .cs3 .container .images{
        right: 0%;
        margin-bottom: 5%;
    }

    .all .cs2{
        padding-bottom: 80px;
        overflow: hidden;
    }

    .all .cs3{
        padding-bottom: 80px;
        overflow: hidden;
    }

    .course2 .container,
    .course3 .container{
        height: fit-content;
    }

    .course2 .container .images,
    .course3 .container .images{
        grid-template-columns: auto auto;
    }

    .course2 .container .images .img,
    .course3 .container .images .img{
        width: 100%;
    }

    .course2 .container .images .img .img_snt,
    .course3 .container .images .img .img_snt{
        margin-right: 52%;
        transform: translateX(42%);
    }

    .course2 .container .images .img img,
    .course3 .container .images .img img{
        width: 90%;
        margin: 0 auto;
    }

    .course2 .container .shadow,
    .course3 .container .shadow {
        top: 15px;
        height: calc(100% + 30px);
    }

    .course2 .container .images{
        margin: 3% 4% 2% 6.8%;
    }

    .course3 .container .images{
        margin: 3% 0% 2% 40.2%;
    }

    .course4 .flexbox{
        display: grid;
    }

    .course4 .flexbox .left_flex{
        margin-left: -5%;
    }

    .course4 .flexbox .right_flex{
        width: 80%;
        margin: 4% auto 0;
    }

    .course4 .box .ttl{
        font-size: 22px;
    }

    .course4 .flexbox{
        margin: 0 7%;
    }

    .course4 .flexbox .right_flex{
        width: 90%;
    }

    .course4 .box .ttl{
        font-size: 30px;
    }

    .course4 .box .small_flex{
        font-size: 21px;
    }

    .last_sentence .word{
        margin: 0 10%;
        font-size: 24px;
        display: flex;
        align-items: center;
    }

    .last_sentence .word{
        display: block;
        margin: 5% 10%;
        white-space: wrap;
    }


    .last_sentence{
        height: 9%;
    }

    .last_sentence .word{
        align-items: center;
        display: block;
        margin: 5% 4% 5% 7%;
        font-size: 26px;
        font-weight: 550;
        white-space: wrap;
    }

    .course .ttl .top_img{
        display: none;
    }

    .course .ttl .top_img_sp{
        display: block;
        width: 70%;
    }

    .course .ttl2 .top_img_sp,
    .course .ttl3 .top_img_sp{
        margin-bottom: -7%;
    }

    .course .ttl1 .top_img_sp img,
    .course .ttl4 .top_img_sp img{
        width: 87%;
    }

    .course .ttl2 .top_img_sp img{
        width: 30%;
        margin-bottom: 3%;
    }

    .course .ttl3 .top_img_sp img{
        width: 37%;
        margin-bottom: 3%;
    }

    .all .course .container .images .img .img_snt{
        font-size: 20px;
    }
}

@media screen and (max-width:700px){
    .all .btns .btn {
        padding: 10px 2px;
        font-size: 19px;
    }

    .relative_box .absolute_content .flexbox .sentence .ttl{
        font-size: 23px;
    }

    .relative_box .absolute_content .flexbox .sentence .snt{
        font-size: 18px;
    }

    .course4 .flexbox .left_flex{
        margin-left: 0;
    }

    .course .ttl4 .top_img{
        margin-top: 0;
    }

    .course4 .flexbox{
        margin: 0 7% 10%;
    }

    .course4 .flexbox .left_flex .sentence4{
        margin-left: 3.5%;
    }

    .course4 .flexbox .right_flex{
        width: 95%;
    }

    .course4 .box .ttl{
        font-size: 20px;
    }

    .course4 .box .small_flex{
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        grid-auto-flow: row;
        gap: 10px 0;
        font-size: 17px;
    }

    .course4 .box{
        padding: 5% 7%;
    }

    .course4 .box .ttl{
        margin-bottom: 5%;
    }

    .last_sentence .word{
        font-size: 24px;
    }
}

@media screen and (max-width:600px){


    .course .ttl .top_img_sp {
        width: 85%;
    }

    .course .ttl2 .top_img_sp img{
        margin-bottom: 1%;
    }

    .course .ttl3 .top_img_sp img{
        margin-bottom: 1%;
    }
}


@media screen and (max-width:550px){
    .all .top{
        margin-top: 75px;
        padding: 15% 7% 12%;
    }

    .top .big_title{
        width: 54.705%;
    }

    .all .top .small_title{
        font-size: 14px;
    }

    .branching_links{
        font-size: 12px;
        padding: 2% 7% 4%;
    }

    .all .btns{
        margin: 0% auto 6%;
        gap: 7% 3%;
        width: 86%;
    }

    .all .btns .btn{
        padding: 8px 0 12px;
        font-size: 15px;
        background-color: #fff;
        color: #00a0ff;
        border-radius: 99px;
        width: 100%;
        border: 1px solid #00a0ff;
    }

    .btns .btn .tr{
        left: 47.2%;
        top: 80%;
    }

    .btns .btn .tr::before{
        border-bottom: 1px solid #00a0ff;
        border-right: 1px solid #00a0ff;
    }

    .all .sentence{
        font-size: 16px !important;
    }

    .relative_box .absolute_content{
        top: 7px;
    }

    .relative_box .absolute_content .flexbox .sentence .ttl{
        font-size: 16px;
    }

    .relative_box .absolute_content .shadow{
        top: 5%;
    }

    .relative_box .absolute_content .flexbox .sentence .snt{
        font-size: 15px;
        line-height: 1.7;
    }

    .all .relative_box .absolute_content .course{
        font-size:15px;
    }

    .all .relative_box .absolute_content .course{
        font-size: 14px;
        margin: 0 8%;
    }

    .course .ttl1 .container{
        margin: 5% auto 10%;
    }

    .all .course .ttl1 .container .course.is-active .line{
        height: 22%;
    }

    .relative_box .absolute_content .course_mark{
        left: 4%;
    }

    .relative_box .absolute_content .course_mark img{
        width: 140%;
    }

    .all .course1 .ttl1 .container{
        width: 90%;
    }

    .course .ttl .top_img_sp{
        width: 106%;
    }

    .course .ttl3 .top_img{
        margin: 0 2% 0 0;
    }

    .course .ttl .top_img img{
        width: 99%;
    }

    .course .ttl1 .top_img_sp img, .course .ttl4 .top_img_sp img{
        width: 87%;
    }

    .course .ttl2 .top_img_sp img{
        width: 30%;
    }

    .course .ttl2 .top_img_sp, .course .ttl3 .top_img_sp{
        margin-bottom: -13%;
    }

    .course .ttl2 .top_img_sp img, .course .ttl3 .top_img_sp img{
        margin-bottom: 5%;
    }

    .all .course .container .images .img .img_snt{
        font-size:13px;
    }

    .all .course .container .sentence{
        width: 56%;
    }

    .course .ttl1 .top_img{
        margin-top: 10%;
    }

    .course .sentence1{
        margin: -5px 10% 0;
    }

    .course2 .container .shadow{
        width: 100%;
    }

    .course2 .container,
    .course3 .container{
        height: fit-content;
    }

    .course2 .container .shadow, .course3 .container .shadow{
        top: 0px;
    }

    .common_btn {
        margin: 20% auto 5%;
        font-size: 18px;
        width: 300px;
    }

    .common_btn .btn_pointer{
        right: 10%;
    }

    .course2 .container .images{
        margin: 0 4% 2% 4.8%;
    }

    .all .cs3 .container .images{
        right: 2%;
    }

    .all .cs3{
        padding-bottom: 65px;
    }

    .course4 .flexbox .left_flex{
        margin-left: 0;
    }

    .course .ttl4 .top_img{
        margin-top: 0;
    }

    .course4 .flexbox{
        margin: 0 7% 10%;
    }

    .course4 .flexbox .left_flex .sentence4{
        margin-left: 3.5%;
    }

    .course4 .flexbox .right_flex{
        width: 95%;
    }

    .course4 .box .ttl{
        font-size: 20px;
    }

    .course4 .box .small_flex{
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        grid-auto-flow: row;
        gap: 10px 0;
        font-size: 17px;
    }

    .course4 .box{
        padding: 5% 7%;
    }

    .course4 .box .ttl{
        margin-bottom: 5%;
    }

    .last_sentence .word{
        font-size: 16px;
        margin: 5% 0% 5% 9%;
        display: flex;
        align-items: center;
        width: 80%;
        white-space: normal;
    }

    .last_sentence .img{
        width: 60%;
    }
}



/* ==============================================
    縦並びレイアウト用スタイル (features_list.html用)
   ============================================== */


.vertical_course_list {
    width: 90%;
    margin: 14% auto 10%;
    display: flex;
    flex-direction: column;
    gap: 90px;
}


.course_card {
    position: relative;
    width: 100%;
    border-radius: 30px;
    z-index: 1;
    background-color: transparent;
}


.course_card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    border-radius: 30px;
    z-index: -1;
    border: 1px solid transparent;
}

.course_card .course_header {
    padding: 2% 15%;
    margin: 0 5%;
    width: 30%;
    color: #FFF;
    font-size: 23px;
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;
    text-align: center;
    font-weight: 500;
}

.course_card.type1 .course_header { background-color: #ff94a7; }
.course_card.type1::before { border: 1px solid #ff94a7; }

.course_card.type2 .course_header { background-color: #f6ad5f; }
.course_card.type2::before { border: 1px solid #f6ad5f; }

.course_card.type3 .course_header { background-color: #a8df64; }
.course_card.type3::before { border: 1px solid #a8df64; }

.course_card.type4 .course_header { background-color: #73c1f7; }
.course_card.type4::before { border: 1px solid #73c1f7; }

.course_card .flexbox {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course_card .flexbox .sentence {
    margin: 5% 3% 5% 8%;
    width: 45%;
}

.course_card .flexbox .sentence .ttl {
    font-size:23px;
    margin-bottom: 7%;
    line-height: 1.5;
    font-weight: 500;
}

.course_card .flexbox .sentence .snt {
    font-size: 16px;
    line-height: 1.8;
}

.course_card .flexbox .image {
    margin: 3% 5% 5% 0;
    width: 45%;
}

.course_card .flexbox .image img {
    width: 100%;
    height: auto;
    display: block;
}

.course_card .course_mark {
    position: absolute;
    top: 22%;
    left: 2%;
    width: 15%;
    z-index: -1;
}

.course_card .course_mark img {
    width: 100%;
}

.course_card .shadow {
    position: absolute;
    z-index: -2;
    width: 100%;
    height: 100%;
    background-image:
    radial-gradient(at 5% 95%, rgb(236, 240, 255) 0px, transparent 40%),
    radial-gradient(at 90% 90%, rgb(189, 244, 255) 0px, transparent 50%),
    radial-gradient(at 30% 40%, rgb(255, 251, 193) 0px, transparent 45%),
    radial-gradient(at 80% 10%, rgb(203, 216, 255) 0px, transparent 50%),
    radial-gradient(at 10% 20%, rgb(236, 220, 253) 0px, transparent 40%);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    border-radius: 30px;
    top: 8%;
    left: 5%;
}

@media screen and (max-width: 960px) {
    .vertical_course_list {
        gap: 100px;
        margin-right: 6%;
    }

    .course_card .shadow{
        top: 4%;
    }

    .course_card .course_header {
        width: 60%;
        padding: 2% 5%;
        font-size: 20px;
        margin-left: 8%;
        margin-bottom: 5%;
    }

    .course_card .flexbox {
        flex-direction: column;
    }

    .course_card .flexbox .sentence,
    .course_card .flexbox .image {
        width: 85%;
        margin: 0% auto 7%;
    }

    .course_card .flexbox .sentence .snt{
        font-size: 20px;
    }

    .course_card .course_mark {
        width: 25%;
        top: 10%;
    }
}


@media screen and (max-width:550px) {

    .top .title_bar{
        margin-top: 3%;
    }

    .top .small_title{
        font-size: 14px;
        padding-top: 3%;
    }

    .branching_links{
        font-size: 12px;
        padding: 2% 7% 4%;
    }

    .vertical_course_list{
        margin: 21% auto 10%;
        gap: 50px;
    }

    .course_card .course_header{
        width: 74%;
        border-bottom-left-radius: 20px;
        border-bottom-right-radius: 20px;
    }

    .course_card .flexbox .sentence .ttl{
        font-size: 20px;
    }

    .course_card .flexbox .sentence .snt{
        font-size: 16px;
    }

    .course_card .shadow{
        top: 3%;
    }

}