.desc {
    font-size: var(--fontSizeMd);
    line-height: var(--lineHeightMd);
}

/* first-section */
.first-section {
    height: calc(100vh - 90px);
    min-height: 900px;
    position: relative;
    padding: 0;
}

.first-slide-group,
.slick-list,
.slick-track,
.slide-group {
    width: 100%;
    height: 100%;
}

.slide-group {
    position: relative;
    overflow: hidden;
}

.slide-group>img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-group.slick-active img {
    animation: imgZoom ease 6s;
}

@keyframes imgZoom {
    0% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

.slide-group .content-inner {
    max-width: 1440px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    box-sizing: border-box;
}

.slide-group .title-group {
    gap: 60px 0;
}

.slide-group .btn.secondary {
    border: 1px solid var(--colorWhite);
    color: var(--colorWhite);
    background-color: var(--colorTransparent);
}

/* first-section */

/* second-section */
.second-section {
    padding: 130px 0;
}

.second-section .content-inner {
    display: grid;
    align-items: center;
    justify-content: space-between;
    grid-template-columns: auto 650px;
}

.second-section .title-group {
    align-items: flex-start;
    flex-direction: column;
    gap: 40px 0;
}

.intro-slider {
    width: 100%;
    overflow: hidden;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
}

.intro-slider.dragging {
    cursor: grabbing;
}

.intro-slider-track {
    --gap: 16px;
    display: flex;
    align-items: stretch;
    gap: 0 30px;
    transition: transform 0.3s ease;
    will-change: transform;
}

.intro-slider-space {
    flex: 0 0 0;
    display: none;
}

.intro-slider-item {
    flex: 0 0 calc((100% - (30px * 2)) / 2.13);
    box-sizing: border-box;
    flex-shrink: 0;
    position: relative;
}

.intro-slider-item img {
    display: block;
    width: 100%;
    height: auto;
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
}

.intro-slider-item p {
    font-size: var(--fontSizeXl);
    line-height: var(--lineHeightXl);
    color: var(--colorWhite);
    font-weight: var(--fontWeightBold);
    position: absolute;
    left: 30px;
    bottom: 20px;
}

/* second-section */

/* third-section */
.third-section {
    padding: 130px 0;
    background-color: var(--colorGray100);
    position: relative;
}

.third-section>img {
    position: absolute;
}

.left-bg {
    max-width: 332px;
    width: 17.292vw;
    left: 0;
    bottom: 0;
}

.right-bg {
    max-width: 408px;
    width: 21.25vw;
    top: 0;
    right: 0;
}

.third-section .content-inner {
    width: max-content;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px 0;
    position: relative;
}

.desc-group {
    margin-left: 20px;
    border-left: 1px solid var(--colorBlack);
    padding: 209px 0 0 30px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px 0;
}

/* third-section */

/* fourth-section */
.fourth-section {
    padding: 130px 0;
}

.fourth-section .content-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px 0;
}

.connect-type-box {
    margin-left: 10px;
    box-sizing: border-box;
    border-left: 1px solid var(--colorBlack);
    padding: 90px 0 0 70px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.connect-type-box ul {
    max-width: 100%;
    width: 990px;
    display: grid;
    align-items: center;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.connect-type-box ul li {
    border-radius: var(--borderRadius2Xl);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.connect-type-box ul li img {
    width: 100%;
}

.connect-type-box ul li p {
    font-size: var(--fontSize2Xl);
    line-height: var(--lineHeight2Xl);
    font-weight: var(--fontWeightBold);
    color: var(--colorWhite);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* fourth-section */

/* fifth-section */
.fifth-section {
    padding: 130px 0;
}

.fifth-section .content-inner {
    width: max-content;
    display: grid;
    align-items: center;
    justify-content: center;
    grid-template-columns: auto 458px;
    gap: 0 120px;
    position: relative;
}

.fifth-section .content-inner>img {
    position: absolute;
    top: 0;
    left: -198px;
}

.fifth-section .title {
    margin-bottom: 72px;
}

.desc-box ul {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px 0;
}

.desc-box ul li {
    padding-left: 30px;
    border-left: 1px solid var(--colorBlack);
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px 0;
}

.desc-box .title-group {
    gap: 10px 0;
}

/* fifth-section */





/* responsive css */
@media screen and (min-width: 768px) and (max-width: 1279px) {
    #container {
        overflow: hidden;
    }

    .desc {
        font-size: var(--fontSizeBase);
        line-height: var(--lineHeightBase);
    }

    /* first-section */
    .first-section {
        height: calc(100vh - 75px);
        min-height: 950px;
    }

    .slide-group .content-inner {
        top: 120px;
        transform: translate(-50%, 0);
    }

    .slide-group .title-group {
        gap: 40px 0;
    }

    .first-section .title {
        font-size: var(--fontSize4Xl);
        line-height: var(--lineHeight4Xl);
    }

    /* first-section */

    /* second-section */
    .second-section {
        padding: 60px 0 80px;
    }

    .second-section .content-inner {
        width: 100%;
        grid-template-columns: 1fr;
        gap: 40px 0;
    }

    .second-section .title-group {
        gap: 30px 0;
        padding: 0 50px;
        box-sizing: border-box;
    }

    .intro-slider-track {
        gap: 0 20px;
    }

    .intro-slider-space-start,
    .intro-slider-space-end {
        display: block;
        flex-basis: 30px;
    }

    .intro-slider-item {
        flex: 0 0 calc((100% - (20px * 2) - 50px) / 2.67);
    }

    .intro-slider-item p {
        font-size: var(--fontSizeLg);
        line-height: var(--lineHeightLg);
        left: 20px;
        bottom: 16px;
    }

    .second-section .desc br {
        display: none;
    }

    /* second-section */

    /* third-section */
    .third-section {
        padding: 0 0 80px;
        background-color: var(--colorWhite);
    }

    .third-section>img {
        display: none;
    }

    .third-section .content-inner {
        width: calc(100% - 100px);
        gap: 30px 0;
    }

    .third-section .title {
        text-align: right;
    }

    .desc-group {
        margin: 0 10px 0 0;
        border-left: 0;
        border-right: 1px solid var(--colorBlack);
        padding: 158px 30px 0 0;
        display: flex;
        align-items: flex-end;
        flex-direction: column;
        gap: 30px 0;
    }

    .desc-group .desc {
        text-align: right;
    }

    /* third-section */

    /* fourth-section */
    .fourth-section {
        padding: 0 0 80px;
    }

    .fourth-section .content-inner {
        gap: 30px 0;
    }

    .connect-type-box {
        padding: 82px 0 0 84px;
    }

    .connect-type-box ul {
        width: 100%;
        gap: 14px;
    }

    .connect-type-box ul li {
        border-radius: 22px;
    }

    .connect-type-box ul li p {
        font-size: var(--fontSizeXl);
        line-height: var(--lineHeightXl);
    }

    /* fourth-section */

    /* fifth-section */
    .fifth-section {
        padding: 0 0 100px;
    }

    .fifth-section .content-inner {
        width: calc(100% - 100px);
        grid-template-columns: 1fr;
        gap: 40px 0;
    }

    .fifth-section .content-inner>img {
        width: 106px;
        left: 300px;
        top: -55px;
    }

    .fifth-section .title {
        margin-bottom: 0;
    }

    .desc-box {
        margin-left: 10px;
    }

    .desc-box ul li {
        gap: 30px 0;
    }

    .desc-box .desc {
        font-size: var(--fontSizeMd);
        line-height: var(--lineHeightMd);
    }

    /* fifth-section */
}

@media screen and (max-width: 767px) {
    .desc {
        font-size: var(--fontSizeSm);
        line-height: var(--lineHeightSm);
    }

    /* first-section */
    .first-section {
        height: calc(100vh - 60px);
        min-height: 660px;
    }

    .slide-group .content-inner {
        max-width: 100%;
        top: 60px;
        transform: translate(-50%, 0);
    }

    .slide-group .title-group {
        gap: 30px 0;
    }

    .first-section .title {
        font-size: var(--fontSize2Xl);
        line-height: var(--lineHeight2Xl);
    }

    .first-section .title br {
        display: none;
    }

    .arrow-motion {
        display: none;
    }

    /* first-section */


    /* second-section */
    .second-section {
        padding: 40px 0 0;
    }

    .second-section .content-inner {
        width: 100%;
        grid-template-columns: 1fr;
        gap: 20px 0;
    }

    .second-section .title-group {
        padding: 0 20px;
        gap: 20px 0;
        box-sizing: border-box;
    }

    .intro-slider-track {
        gap: 0 10px;
    }

    .intro-slider-space-start,
    .intro-slider-space-end {
        display: block;
        flex-basis: 10px;
    }

    .intro-slider-item {
        flex: 0 0 calc((100% - 20px - 20px) / 1.77);
    }

    .intro-slider-item p {
        font-size: var(--fontSizeBase);
        line-height: var(--lineHeightBase);
        left: 14px;
        bottom: 14px;
    }

    /* second-section */


    /* third-section */
    .third-section {
        padding: 60px 0 0;
        background-color: var(--colorWhite);
    }

    .third-section>img {
        display: none;
    }

    .third-section .content-inner {
        width: calc(100% - 40px);
        align-items: flex-end;
        gap: 20px 0;
    }

    .third-section .title {
        text-align: right;
    }

    .desc-group {
        margin-left: 0;
        border-left: 0;
        border-right: 1px solid var(--colorBlack);
        padding: 64px 20px 0 0;
        gap: 20px 0;
        text-align: right;
        display: flex;
        align-items: flex-end;
        flex-direction: column;
    }

    .desc-group .desc br {
        display: none;
    }

    /* third-section */


    /* fourth-section */
    .fourth-section {
        padding: 60px 0 0;
    }

    .fourth-section .content-inner {
        gap: 20px 0;
    }

    .connect-type-box {
        margin-left: 0;
        padding: 34px 0 0 20px;
    }

    .connect-type-box ul {
        width: 100%;
        gap: 6px;
    }

    .connect-type-box ul li {
        border-radius: var(--borderRadiusXs);
    }

    .connect-type-box ul li p {
        font-size: var(--fontSizeSm);
        line-height: var(--lineHeightSm);
    }

    /* fourth-section */


    /* fifth-section */
    .fifth-section {
        padding: 60px 0 80px;
    }

    .fifth-section .content-inner {
        width: calc(100% - 40px);
        grid-template-columns: 1fr;
        gap: 30px 0;
    }

    .fifth-section .content-inner>img {
        width: 78px;
        left: 202px;
        top: -33px;
    }

    .fifth-section .title {
        margin-bottom: 0;
    }

    .desc-box ul {
        gap: 30px 0;
    }

    .desc-box ul li {
        padding-left: 20px;
        gap: 20px 0;
    }

    /* fifth-section */
}