#header #key {
    background: url(../img/course/key.jpg) no-repeat center top/cover;
    height: 100vw;
}
#sec1 {
    padding: 20vw 0 25vw;
    position: relative;
}
#sec1::before {
    content: "";
    background: url(../img/course/sec1_deco1.png) no-repeat left top/100% auto;
    position: absolute;
    top: 0;
    left: -10%;
    right: 30%;
    bottom: 0;
    z-index: -1;
}
#sec1::after {
    content: "";
    background: url(../img/course/sec1_deco2.png) no-repeat right bottom/100% auto;
    position: absolute;
    top: 0;
    right: -45%;
    left: 20%;
    bottom: 10vw;
    z-index: -1;
}
#sec1 .item1 h2 {
    text-align: center;
    margin-bottom: 12vw;
}
#sec1 .item1 h2 img {
    width: 50%;
}
#sec1 .item1 .js .sl img {
    width: 100%;
    height: 65vw;
    -o-object-fit: cover;
    object-fit: cover;
}
#sec1 .item2 .gr-txt {
    margin-top: 10vw;
}
#sec2 .set1 .box-parallax {
    height: 80vw;
}
#sec2 .set2 {
    padding: 20vw 0 15vw;
    position: relative;
}
#sec2 .set2::before {
    content: "";
    background: url(../img/course/sec2_deco1.png) no-repeat right top/100% auto;
    position: absolute;
    top: -3vw;
    right: 0;
    width: 40%;
    height: 34vw;
}
#sec2 .set2 h2 .ttl-eng {
    font-size: 3.5vw;
    margin-bottom: 1vw;
}
#sec2 .set2 h2 .ttl-jp {
    font-size: 8vw;
}
#sec2 .set2 .note {
    font-size: 14px;
    margin: 8vw 0 10vw;
}
#sec2 .set2 .bnr {
    overflow: hidden;
}
#sec2 .set2 .bnr a {
    display: block;
    position: relative;
    border: 1px solid #667041;
}
#sec2 .set2 .bnr a::before {
    content: "";
    background: url(../img/course/sec2_bnr_arr.png) no-repeat right bottom/100% auto;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 10vw;
    z-index: 1;
}
#sec2 .set2 .bnr .ttls {
    position: absolute;
    top: 5vw;
    left: 4%;
    color: #fff;
}
#sec2 .set2 .bnr .ttls dt {
    font-size: 3.6vw;
    letter-spacing: 0.1em;
    display: inline-block;
    text-transform: uppercase;
    position: relative;
}
#sec2 .set2 .bnr .ttls dt::before {
    content: "";
    border-top: 1px solid #fff;
    position: absolute;
    right: 1%;
    bottom: 1.7vw;
    left: -5vw;
}
#sec2 .set2 .bnr .ttls dd {
    font-size: 3.9vw;
    font-weight: 600;
    letter-spacing: 0.12em;
}
#sec2 .set3 {
    background: url(../img/shared/bg9.png);
    padding: 17vw 0 20vw;
}
#sec2 .set3 .content .col-l {
    text-align: center;
    font-size: 14px;
    letter-spacing: 0.12em;
}
#sec2 .set3 .content .col-l .price-box {
    font-size: 6vw;
    letter-spacing: 0.15em;
    color: #2a1a0b;
    line-height: 1.6;
}
#sec2 .set3 .content .col-l .price-box span {
    font-size: 5vw;
    letter-spacing: 0.15em;
}
#sec2 .set3 .content .col-l .gr-txt {
    margin: 12vw 0 0;
    padding: 10vw 0;
    border-top: 1px solid #beb3a8;
    border-bottom: 1px solid #beb3a8;
}
#sec2 .set3 .content .col-l .gr-txt h3 {
    font-size: 4.5vw;
    letter-spacing: 0.12em;
    line-height: 1.5;
    margin-bottom: 5vw;
}
#sec2 .set3 .content .col-l .btn-blog {
    margin: 12vw 5% 20vw;
}
#sec2 .set3 .content .col-r .item:not(:last-child) {
    margin-bottom: 10vw;
}
#sec2 .set3 .content .col-r .item .text {
    margin-top: 5vw;
}
#sec2 .set3 .content .col-r .item .text dt {
    font-family: "Forum";
    font-size: 4vw;
    letter-spacing: 0.1em;
    color: #636d3f;
    text-align: left;
    text-transform: uppercase;
    margin-bottom: 2vw;
}
#sec2 .set3 .content .col-r .item .text dd {
    font-size: 14px;
}
#sec3 .set1 .box-parallax {
    height: 80vw;
}
#sec3 .set2 {
    padding: 20vw 0 0;
    position: relative;
}
#sec3 .set2::before {
    content: "";
    background: url(../img/course/sec3_deco.png) no-repeat left top/100% auto;
    position: absolute;
    top: 0;
    left: -15%;
    right: 55%;
    bottom: 0;
    z-index: -1;
}
#sec3 .set2 h2 {
    margin-bottom: 10vw;
}
#sec3 .set2 h2 .ttl-eng {
    margin-bottom: 2vw;
}
#sec3 .set2 .item1 {
    margin-bottom: 15vw;
}
#sec3 .set2 .item1 .price {
    font-size: 5.5vw;
    letter-spacing: 0.15em;
    color: #2a1a0b;
    margin-bottom: 5vw;
}
#sec3 .set2 .item1 .price span {
    font-size: 4.5vw;
    letter-spacing: 0.15em;
}
#sec3 .set2 .item2 {
    position: relative;
    padding: 0 10% 10vw;
    overflow: hidden;
}
#sec3 .set2 .item2::before {
    content: "";
    border: 1px solid #747474;
    border-top: 0;
    position: absolute;
    top: 3.5vw;
    right: 0;
    bottom: 0;
    left: 0;
}
#sec3 .set2 .item2 h3 {
    margin-bottom: 6vw;
}
#sec3 .set2 .item2 h3 span {
    font-size: 5vw;
    letter-spacing: 0.15em;
    color: #000;
    display: inline-block;
    position: relative;
}
#sec3 .set2 .item2 h3 span::before {
    content: "";
    border-top: 1px solid #747474;
    position: absolute;
    left: calc(100% + 2vw);
    top: 50%;
    right: -1000px;
}
#sec3 .set2 .item2 h3 span::after {
    content: "";
    border-top: 1px solid #747474;
    position: absolute;
    right: calc(100% + 2vw);
    top: 50%;
    left: -1000px;
}
#sec3 .set2 .item2 .list li {
    position: relative;
    padding-left: 8px;
}
#sec3 .set2 .item2 .list li::before {
    content: "";
    background: #333;
    border-radius: 50%;
    width: 3px;
    height: 3px;
    position: absolute;
    top: 11px;
    left: 0;
}
#sec4 {
    padding: 20vw 0 0;
    position: relative;
}
#sec4::before {
    content: "";
    background: url(../img/course/sec4_deco.png) no-repeat right top/100% auto;
    position: absolute;
    top: -10vw;
    right: -10%;
    left: 45%;
    bottom: 0;
    z-index: -1;
}
#sec4 .group {
    margin: 0 3%;
    padding: 15vw 5% 15vw;
    position: relative;
}
#sec4 .group::before {
    content: "";
    background: url(../img/shared/bg4.png);
    box-shadow: 0px 3px 7px rgba(0, 0, 0, 0.2);
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: -1;
}
#sec4 .group .gr-txt h2 .ttl-eng {
    font-family: "Forum";
    font-size: 4vw;
    letter-spacing: 0.1em;
    color: #636d3f;
    text-transform: uppercase;
    margin-bottom: 7vw;
    display: block;
}
#sec4 .group .gr-txt h2 .ttl-jp .t {
    display: inline-block;
    font-size: 5.5vw;
    letter-spacing: 0.1em;
    padding: 2vw 2%;
    border-top: 1px solid #747474;
    border-bottom: 1px solid #747474;
}
#sec4 .group .gr-txt h2 .ttl-jp .p {
    font-size: 6.5vw;
    letter-spacing: 0.1em;
    color: #2a1a0b;
    display: inline-block;
    margin: 5vw 0 0 -3.5vw;
}
#sec4 .group .gr-txt .price {
    font-size: 5.5vw;
    letter-spacing: 0.15em;
    color: #2a1a0b;
    margin: 10vw 0 5vw;
}
#sec4 .group .gr-txt .price span {
    font-size: 4.5vw;
    letter-spacing: 0.15em;
}
#sec4 .group .photo {
    margin-top: 10vw;
}
#sec5 {
    padding: 20vw 0;
    position: relative;
}
#sec5::before {
    content: "";
    background: url(../img/course/sec5_deco1.png) no-repeat right top/100% auto;
    position: absolute;
    top: 82vw;
    right: -5%;
    width: 30%;
    bottom: 0;
    z-index: -1;
}
#sec5 .item1 {
    margin-bottom: 8vw;
}
#sec5 .item1 .js .sl img {
    border-radius: 0 15px 0 15px;
}
#sec5 .item1 h2 {
    margin: 10vw 0 8vw;
}
#sec5 .item1 h2 .ttl-eng {
    font-family: "Forum";
    font-size: 4vw;
    letter-spacing: 0.1em;
    color: #636d3f;
    text-transform: uppercase;
    margin-bottom: 7vw;
    display: block;
}
#sec5 .item1 h2 .ttl-jp .t {
    display: inline-block;
    font-size: 5vw;
    letter-spacing: 0.1em;
    padding: 2vw 2%;
    border-top: 1px solid #747474;
    border-bottom: 1px solid #747474;
}
#sec5 .item1 h2 .ttl-jp .p {
    font-size: 6.5vw;
    letter-spacing: 0.1em;
    color: #2a1a0b;
    display: inline-block;
    margin: 5vw 0 0 0;
}
#sec5 .item1 h2 .ttl-jp .p span {
    letter-spacing: 0.1em;
}
#sec5 .item1 h2 .ttl-jp .p .fs35 {
    font-size: 6vw;
}
#sec5 .item1 h2 .ttl-jp .p .fs65 {
    font-size: 10vw;
}
#sec5 .item1 .price {
    font-size: 5.5vw;
    letter-spacing: 0.15em;
    color: #2a1a0b;
}
#sec5 .item1 .price span {
    font-size: 4.5vw;
    letter-spacing: 0.15em;
}
#sec5 .item3 {
    padding: 20vw 0 0;
    position: relative;
}
#sec5 .item3::before {
    content: "";
    background: url(../img/course/sec5_deco2.png) no-repeat left top/100% auto;
    position: absolute;
    top: 5vw;
    left: -5%;
    width: 23%;
    bottom: 0;
    z-index: -1;
}
#sec5 .item3 .box {
    padding: 9vw 5% 11.5vw;
    background: url(../img/shared/bg4.png);
    box-shadow: 0px 3px 7px rgba(0, 0, 0, 0.2);
    text-align: center;
}
#sec5 .item3 .box h3 {
    font-size: 5.5vw;
    font-weight: 500;
    letter-spacing: 0.1em;
    line-height: 1.5;
}
#sec5 .item3 .box .note {
    font-size: 14px;
    letter-spacing: 0.12em;
    margin: 3vw 0 5vw;
}
#sec5 .item3 .box .info .btn-web {
    max-width: 88%;
    margin: 9vw auto 5vw;
    padding-bottom: 8vw;
    position: relative;
}
#sec5 .item3 .box .info .btn-web::before {
    content: "";
    border-top: 1px dashed #bcb2a7;
    position: absolute;
    right: 5%;
    bottom: 0;
    left: 5%;
}
#sec5 .item3 .box .info .tel img {
    width: 15px;
    height: auto;
    margin-right: 10px;
    position: relative;
    top: -4px;
    left: 4px;
}
#sec5 .item3 .box .info .tel span {
    font-family: "Tenor Sans";
    font-size: 30px;
    letter-spacing: 0.05em;
    font-weight: 400;
}
#sec5 .item3 .box .info .tel small {
    font-size: 10px;
    letter-spacing: 0.12em;
    color: #897c70;
    display: block;
}
#sec6 {
    background:
        url(../img/course/sec6_bg.png) no-repeat center bottom/100% auto,
        url(../img/index/sec3_bg_sp.png) no-repeat center top/100% auto,
        url(../img/shared/bg2.jpg);
    color: #fff;
    padding: 38vw 0 60vw;
}
#sec6 .gr-txt .photo {
    margin: 13vw 0 7vw;
}
@media screen and (min-width: 768px) {
    main {
        overflow: visible;
    }
    #header > *:not(h1) {
        overflow: hidden;
    }
    #footer {
        overflow: hidden;
    }
    .nav-target > div {
        overflow: hidden;
    }
    #sec1 {
        padding: 179px 0 226px;
    }
    #sec1::before {
        width: 751px;
        height: 739px;
        left: auto;
        right: calc(50% + 197px);
        bottom: auto;
    }
    #sec1::after {
        width: 887px;
        height: 153px;
        top: auto;
        right: auto;
        left: calc(50% - 137px);
        bottom: 115px;
    }
    #sec1 .item1 {
        margin-bottom: 60px;
    }
    #sec1 .item1 h2 {
        text-align: left;
        margin-bottom: 0;
        position: absolute;
        top: 45px;
        left: -71px;
    }
    #sec1 .item1 h2 img {
        width: auto;
    }
    #sec1 .item1 .js {
        margin: 0 -250px 0 308px;
    }
}
@media screen and (min-width: 768px) and (max-width: 1499px) {
    #sec1 .item1 .js {
        margin-right: calc(-50vw + 50%);
    }
}
@media screen and (min-width: 768px) {
    #sec1 .item1 .js .sl {
        height: 600px;
    }
    #sec1 .item1 .js .sl img {
        height: 100%;
    }
}
@media screen and (min-width: 768px) {
    #sec1 .item2 {
        display: flex;
    }
    #sec1 .item2 .photo {
        flex: 1;
        height: 425px;
        margin-left: -154px;
    }
}
@media screen and (min-width: 768px) and (max-width: 1299px) {
    #sec1 .item2 .photo {
        margin-left: calc(-50vw + 50%);
    }
}
@media screen and (min-width: 768px) {
    #sec1 .item2 .gr-txt {
        margin: 20px -54px 0 101px;
        width: 522px;
    }
    #sec1 .item2 .gr-txt .txt {
        line-height: 33px;
        text-align: justify;
    }
    #sec1 .item2 .gr-txt .btn-link {
        margin: 50px 0 0;
    }
}
@media screen and (min-width: 768px) {
    #sec2 {
        overflow: visible;
    }
    #sec2 .set1 {
        overflow: hidden;
    }
    #sec2 .set1 .box-parallax {
        height: 640px;
    }
    #sec2 .set2 {
        padding: 145px 0 110px;
        overflow: hidden;
    }
    #sec2 .set2::before {
        top: -38px;
        right: auto;
        left: calc(50% + 285px);
        width: 513px;
        height: 359px;
    }
    #sec2 .set2 h2 .ttl-eng {
        font-size: 20px;
        margin-bottom: 20px;
    }
    #sec2 .set2 h2 .ttl-jp {
        font-size: 45px;
    }
    #sec2 .set2 .note {
        font-size: 16px;
        line-height: 25px;
        letter-spacing: 0.12em;
        margin: 90px 0 73px;
    }
    #sec2 .set2 .bnr {
        width: 700px;
        margin: 0 auto;
    }
    #sec2 .set2 .bnr a {
        border: 2px solid #667041;
    }
    #sec2 .set2 .bnr a:hover img {
        filter: grayscale(90%);
    }
    #sec2 .set2 .bnr a::before {
        width: 80px;
    }
    #sec2 .set2 .bnr img {
        transition-duration: 0.3s;
    }
    #sec2 .set2 .bnr .ttls {
        top: 31px;
        left: 29px;
    }
    #sec2 .set2 .bnr .ttls dt {
        font-size: 28px;
    }
    #sec2 .set2 .bnr .ttls dt::before {
        right: 8px;
        bottom: 9px;
        left: -32px;
    }
    #sec2 .set2 .bnr .ttls dd {
        font-size: 30px;
        margin: 11px 0 0 -3px;
    }
    #sec2 .set3 {
        padding: 0 0 223px;
    }
    #sec2 .set3 .wrap {
        max-width: 100%;
        max-width: 1500px;
    }
    #sec2 .set3 .content {
        display: flex;
    }
    #sec2 .set3 .content .col-l {
        position: sticky;
        top: 0;
        left: 0;
        height: -moz-fit-content;
        height: fit-content;
        width: 43%;
        font-size: 16px;
        line-height: 30px;
        padding-top: 127px;
    }
    #sec2 .set3 .content .col-l .inner {
        max-width: 460px;
        margin: 0 auto;
    }
    #sec2 .set3 .content .col-l .price-box {
        font-size: 35px;
        line-height: 50px;
    }
    #sec2 .set3 .content .col-l .price-box dt {
        margin-bottom: 12px;
        letter-spacing: 0.1em;
    }
    #sec2 .set3 .content .col-l .price-box span {
        font-size: 30px;
    }
    #sec2 .set3 .content .col-l .gr-txt {
        margin: 51px 0 0;
        padding: 60px 0 65px;
    }
    #sec2 .set3 .content .col-l .gr-txt h3 {
        font-size: 20px;
        line-height: 30px;
        margin-bottom: 24px;
    }
    #sec2 .set3 .content .col-l .btn-blog {
        margin: 58px auto 0;
    }
    #sec2 .set3 .content .col-l .btn-blog a .t {
        padding: 15px 10px 16px 53px;
    }
    #sec2 .set3 .content .col-r {
        flex: 1;
    }
    #sec2 .set3 .content .col-r .item:not(:last-child) {
        margin-bottom: 57px;
    }
    #sec2 .set3 .content .col-r .item .photo img {
        width: 100%;
        height: auto;
    }
    #sec2 .set3 .content .col-r .item .text {
        margin: 25px 0 0 13px;
        display: flex;
        align-items: flex-start;
    }
    #sec2 .set3 .content .col-r .item .text dt {
        font-size: 20px;
        width: 110px;
        margin: 0 20px 0 0;
    }
    #sec2 .set3 .content .col-r .item .text dd {
        flex: 1;
        font-size: 16px;
        line-height: 30px;
        letter-spacing: 0.12em;
    }
}
@media screen and (min-width: 768px) {
    #sec3 .set1 .box-parallax {
        height: 640px;
    }
    #sec3 .set2 {
        padding: 88px 0 0;
    }
    #sec3 .set2::before {
        width: 650px;
        height: 623px;
        top: -305px;
        left: auto;
        right: calc(50% + 234px);
        bottom: auto;
    }
    #sec3 .set2 h2 {
        margin: 0 0 0 11px;
        display: flex;
    }
    #sec3 .set2 h2 .ttl-eng {
        margin: 39px 34px 0 0;
        text-align: left;
    }
    #sec3 .set2 h2 .ttl-jp {
        font-size: 35px;
        white-space: nowrap;
        letter-spacing: 0.15em;
    }
    #sec3 .set2 .item1 {
        margin: 55px 0 104px 337px;
        position: relative;
    }
    #sec3 .set2 .item1::before {
        content: "";
        background: url(../img/course/sec3_line.png) no-repeat;
        width: 356px;
        height: 354px;
        position: absolute;
        top: -220px;
        left: -234px;
    }
    #sec3 .set2 .item1 .price {
        font-size: 30px;
        margin-bottom: 27px;
    }
    #sec3 .set2 .item1 .price span {
        font-size: 25px;
    }
    #sec3 .set2 .item1 .txt {
        line-height: 33px;
        text-align: justify;
    }
    #sec3 .set2 .item2 {
        padding: 0 40px 53px 60px;
        margin: 0 81px 0 103px;
    }
    #sec3 .set2 .item2::before {
        top: 20px;
    }
    #sec3 .set2 .item2 h3 {
        margin-bottom: 35px;
    }
    #sec3 .set2 .item2 h3 span {
        font-size: 25px;
    }
    #sec3 .set2 .item2 h3 span::before {
        left: calc(100% + 16px);
    }
    #sec3 .set2 .item2 h3 span::after {
        right: calc(100% + 16px);
    }
    #sec3 .set2 .item2 .list li {
        padding-left: 13px;
        line-height: 33px;
    }
    #sec3 .set2 .item2 .list li::before {
        top: 16px;
    }
}
@media screen and (min-width: 768px) {
    #sec4 {
        padding: 139px 0 0;
    }
    #sec4::before {
        width: 697px;
        height: 638px;
        top: -327px;
        right: auto;
        left: calc(50% + 153px);
        bottom: auto;
    }
    #sec4 .group {
        margin: 0 auto;
        max-width: 1304px;
        padding: 87px 0 86px;
    }
    #sec4 .group::before {
        right: 103px;
    }
    #sec4 .group .wrap {
        display: flex;
        align-items: flex-start;
    }
    #sec4 .group .gr-txt {
        width: 460px;
        margin: 20px 40px 0 0;
    }
    #sec4 .group .gr-txt h2 .ttl-eng {
        font-size: 20px;
        margin-bottom: 34px;
    }
    #sec4 .group .gr-txt h2 .ttl-jp .t {
        font-size: 30px;
        padding: 11px 0px 11px 9px;
    }
    #sec4 .group .gr-txt h2 .ttl-jp .p {
        font-size: 45px;
        margin: 35px 0 0 -25px;
        letter-spacing: -0.03em;
    }
    #sec4 .group .gr-txt .price {
        font-size: 30px;
        margin: 59px 0 29px;
    }
    #sec4 .group .gr-txt .price span {
        font-size: 25px;
    }
    #sec4 .group .gr-txt .txt {
        line-height: 33px;
    }
    #sec4 .group .photo {
        margin: 0 -177px 0 0;
        flex: 1;
        height: 487px;
    }
}
@media screen and (min-width: 768px) and (max-width: 1354px) {
    #sec4 .group .photo {
        margin-right: calc(-50vw + 50%);
    }
}
@media screen and (min-width: 768px) {
    #sec5 {
        padding: 146px 0 136px;
    }
    #sec5::before {
        height: 370px;
        top: 54px;
        right: auto;
        left: calc(50% + 503px);
        width: 281px;
        bottom: auto;
    }
    #sec5 .item1 {
        margin-bottom: 0;
    }
    #sec5 .item1 .js {
        margin: 0 217px 0 -152px;
    }
}
@media screen and (min-width: 768px) and (max-width: 1499px) {
    #sec5 .item1 .js {
        margin-left: calc(-50vw + 50%);
    }
}
@media screen and (min-width: 768px) {
    #sec5 .item1 .js .sl {
        height: 660px;
    }
    #sec5 .item1 .js .sl img {
        border-radius: 0 30px 0 30px;
    }
}
@media screen and (min-width: 768px) {
    #sec5 .item1 .gr-txt {
        position: absolute;
        top: 0;
        right: -81px;
    }
}
@media screen and (min-width: 768px) {
    #sec5 .item1 h2 {
        margin: 0;
        position: relative;
    }
    #sec5 .item1 h2 .ttl-eng {
        font-size: 20px;
        margin-bottom: 0;
        line-height: 25px;
        position: absolute;
        left: 25px;
        bottom: 139px;
        text-align: center;
    }
    #sec5 .item1 h2 .ttl-jp {
        white-space: nowrap;
    }
    #sec5 .item1 h2 .ttl-jp .t {
        font-size: 30px;
        padding: 9px 11px;
        border-left: 1px solid #747474;
        border-right: 1px solid #747474;
        border-top: 0;
        border-bottom: 0;
    }
    #sec5 .item1 h2 .ttl-jp .p {
        font-size: 45px;
        margin: 6px 0 0;
        position: relative;
        left: -53px;
    }
    #sec5 .item1 h2 .ttl-jp .p .fs35 {
        font-size: 35px;
    }
    #sec5 .item1 h2 .ttl-jp .p .fs65 {
        font-size: 65px;
    }
}
@media screen and (min-width: 768px) {
    #sec5 .item1 .price {
        position: relative;
        top: 6px;
        left: -90px;
        font-size: 30px;
    }
    #sec5 .item1 .price span {
        font-size: 25px;
    }
}
@media screen and (min-width: 768px) {
    #sec5 .item2 {
        margin: 65px 29px 0 32px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    #sec5 .item2 .txt {
        line-height: 33px;
        text-align: justify;
        width: 515px;
    }
    #sec5 .item2 .btn-blog {
        margin: 13px 0 0;
    }
    #sec5 .item2 .btn-blog a .t {
        padding-left: 53px;
    }
}
@media screen and (min-width: 768px) {
    #sec5 .item3 {
        padding: 115px 0 0;
    }
    #sec5 .item3::before {
        height: 135px;
        top: 88px;
        left: -137px;
        width: 135px;
        bottom: auto;
    }
    #sec5 .item3 .box {
        padding: 35px 53px 37px 63px;
        max-width: 715px;
        margin: 0 auto;
    }
    #sec5 .item3 .box h3 {
        font-size: 25px;
        line-height: 32px;
    }
    #sec5 .item3 .box .note {
        font-size: 16px;
        margin: 4px 0 42px;
    }
    #sec5 .item3 .box .info {
        position: relative;
        display: flex;
        align-items: flex-start;
        flex-direction: row-reverse;
        justify-content: space-between;
    }
    #sec5 .item3 .box .info::before {
        content: "";
        background: url(../img/index/shopinfo_liney.png) repeat-y;
        width: 1px;
        position: absolute;
        top: -6px;
        left: 49%;
        bottom: -5px;
    }
    #sec5 .item3 .box .info .tel {
        width: 250px;
        margin-top: 17px;
    }
    #sec5 .item3 .box .info .tel img {
        top: -5px;
    }
    #sec5 .item3 .box .info .tel small {
        font-family: "Shippori Mincho";
        font-size: 11px;
        line-height: 15px;
        margin-top: 3px;
        font-weight: 500;
    }
    #sec5 .item3 .box .info .btn-web {
        max-width: 100%;
        margin: 0;
        padding-bottom: 0;
    }
    #sec5 .item3 .box .info .btn-web::before {
        content: none;
    }
}
@media screen and (min-width: 768px) {
    #sec6 {
        background:
            url(../img/course/sec6_bg.png) no-repeat left bottom,
            url(../img/course/sec6_deco.png) repeat-x,
            url(../img/shared/bg2.jpg);
        padding: 250px 0 417px;
    }
    #sec6 .gr-txt {
        width: 360px;
        margin-left: 89px;
    }
    #sec6 .gr-txt .photo {
        margin: 0;
        position: absolute;
        top: -34px;
        right: -99px;
    }
    #sec6 .gr-txt .txt {
        text-align: justify;
        margin-top: 93px;
        width: 332px;
    }
    #sec6 .gr-txt .btn-popup {
        margin: 56px 0 0;
    }
    #sec6 .gr-txt .btn-popup a .t {
        padding-left: 54px;
    }
}
@media screen and (max-width: 1199px) and (min-width: 768px) {
    #sec1 .item1 h2 {
        left: calc(-50vw + 50% + 30px);
    }
    #sec1 .item2 .gr-txt {
        margin: 20px 0 0 41px;
    }
    #sec5 .item1 .gr-txt {
        right: calc(-50vw + 50%);
    }
}
@media screen and (max-height: 820px) and (min-width: 768px) {
    #sec2 .set3 .content .col-l .gr-txt {
        margin: 20px 0 0;
        padding: 20px 0 20px;
    }
    #sec2 .set3 .content .col-l .btn-blog {
        margin: 40px auto 0;
    }
}
@media screen and (max-height: 690px) and (min-width: 768px) {
    #sec2 .set3 .content .col-l {
        padding-top: 100px;
    }
}
@media screen and (max-height: 650px) and (min-width: 768px) {
    #sec2 .set3 .content .col-l .price-box {
        font-size: 30px;
    }
    #sec2 .set3 .content .col-l .price-box span {
        font-size: 25px;
    }
    #sec2 .set3 .content .col-l .price-box dt {
        margin-bottom: 0;
    }
    #sec2 .set3 .content .col-l .gr-txt {
        margin: 15px 0 0;
        padding: 15px 0 15px;
    }
    #sec2 .set3 .content .col-l .btn-blog {
        margin: 20px auto 0;
    }
}