/* main common */
section {
    padding: 160px 0;
}

/* main common */


/* visual section */
.visual-section {
    height: 300vh;
    position: relative;
    top: 0;
    left: 0;
    padding: 0;
}

.background-layer {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    transition: opacity .6s ease;
}

.bg-white {
    background: var(--colorWhite);
    z-index: 1;
}

.bg-gradient {
    background: var(--gradient);
    z-index: 2;
    opacity: 0;
}

.logo-group {
    position: fixed;
    width: 100%;
    height: 100vh;
    z-index: 3;
    top: 0;
    left: 0;
}

.logo {
    position: absolute;
    width: 655px;
    transition: opacity .6s ease;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.white-logo {
    opacity: 0;
}

.whitespace {
    width: 100%;
    height: 50vh;
}

.visual-content {
    width: 100%;
    position: sticky;
    top: 0;
    padding: 50vh 0 350px;
    z-index: 5;
}

.phone-group {
    display: flex;
    align-items: center;
    flex-direction: column;
}

.phone-image {
    width: 375px;
    position: relative;
}

.phone-image img {
    width: 100%;
    position: relative;
    z-index: 10;
    filter: drop-shadow(-40px 30px 60px rgba(1, 0, 35, 0.06)) drop-shadow(0px 1.158px 6.949px rgba(20, 27, 41, 0.08));
}

.phone-image::before {
    content: "";
    width: 375px;
    height: 800px;
    border-radius: var(--borderRadius4Xl);
    background-color: var(--colorPrimary);
    position: absolute;
    right: 60px;
    top: 60px;
}

.phone-group .title-group {
    align-items: center;
    margin: 170px 0 40px;
}

.phone-group .title {
    text-align: center;
}

.phone-group .desc {
    text-align: center;
    font-size: var(--fontSize2Xl);
    line-height: var(--lineHeight3Xl);
}

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

.phone-group .btn:hover {
    background-color: var(--colorWhite);
    color: var(--colorPrimary);
    border: none;
}


/* main section1 */
.first-section {
    position: relative;
    z-index: 5;
    background-color: var(--colorWhite);
}

.first-section .content-inner {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 60px 0;
}

.grid-group {
    width: 100%;
    display: grid;
    align-items: flex-start;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.item-group {
    background-color: var(--colorGray100);
    border-radius: var(--borderRadius2Xl);
    box-sizing: border-box;
    cursor: pointer;
    transition: background-color .5s;
}

.static-vpn,
.dynamic-vpn {
    height: 566px;
    padding: 50px 20px 20px 50px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.download,
.ip-change {
    height: 246px;
    padding: 50px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.download .section-title,
.ip-change .section-title {
    height: 100%;
}

.dynamic-vpn {
    margin-top: -320px;
}

.item-content-group {
    height: 100%;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 60px 0;
}

.item-group .section-title {
    position: relative;
    transition: padding .5s, color .5s;
}

.item-group .section-title::before {
    content: "";
    width: 6px;
    height: 6px;
    background-color: var(--colorTransparent);
    position: absolute;
    top: 22px;
    left: 0;
    transition: background-color .5s;
}

.item-group .desc {
    transition: color .5s;
}

.item-image {
    width: 220px;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    transition: background-image .5s;
}

.static-vpn .item-image {
    background-image: url(../../images/main/staticGridIcon.png);
}

.dynamic-vpn .item-image {
    background-image: url(../../images/main/dynamicGridIcon.png);
}

.item-image img {
    transition: content .5s;
}

.item-group:hover {
    background-color: var(--colorPrimary);
}

.item-group .btn {
    border: 1px solid var(--colorBlack);
    color: var(--colorBlack);
    background-color: var(--colorTransparent);
}

.item-group:hover .btn {
    background-color: var(--colorWhite);
    color: var(--colorPrimary);
    border: none;
}

.item-group:hover .section-title,
.item-group:hover .desc {
    color: var(--colorWhite) !important;
}

.item-group:hover .section-title {
    padding-left: 18px;
}

.item-group:hover .section-title:before {
    background-color: var(--colorWhite);
}

.static-vpn:hover .item-image {
    background-image: url(../../images/main/staticGridIconHover.png);
}

.dynamic-vpn:hover .item-image {
    background-image: url(../../images/main/dynamicGridIconHover.png);
}


/* main section2 */
.second-section {
    position: relative;
    z-index: 5;
    background-color: var(--colorPrimary100);
}

.second-section .content-inner {
    display: flex;
    justify-content: space-between;
}

.title-tab-group {
    width: max-content;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 60px 0;
    padding-top: 40px;
}

.tab-box {
    width: 240px;
}

.tab-box ul {
    width: 100%;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 15px 0;
}

.tab-box ul li {
    width: 100%;
    height: 62px;
    background-color: var(--colorWhite);
    border-radius: var(--borderRadius3Xl);
    padding: 0 30px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    font-size: var(--fontSizeXl);
    color: var(--colorPrimary);
    font-weight: var(--fontWeightBold);
    cursor: pointer;
    transition: background-color .5s;
}

.tab-content {
    width: max-content;
    height: 700px;
    overflow-y: scroll;
    padding-right: 30px;
}

.tab-content.scroll-custom::-webkit-scrollbar {
    width: 10px;
}

.tab-list-box {
    width: 800px;
}

.tab-list-box ul {
    width: 100%;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 25px 0;
}

.tab-list-box ul li {
    width: 100%;
    height: 196px;
    padding: 45px 35px;
    background-color: var(--colorWhite);
    border-radius: var(--borderRadiusLg);
    box-sizing: border-box;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    justify-content: space-between;
    margin: 2px;
    border: 1px solid var(--colorGray200);
    outline: 2px solid var(--colorTransparent);
    transition: border .5s, outline .5s;
}

.tab-list-box ul li:hover {
    border: 1px solid var(--colorTransparent);
    outline: 2px solid var(--colorPrimary);
}

.swiper-pagination{
    display: none;
}

.category-group {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0 15px;
}

.category-item-group {
    display: flex;
    align-items: center;
    gap: 0 10px;
}

.category-item-group p {
    display: flex;
    align-items: center;
    gap: 0 6px;
    color: var(--colorGray600);
    line-height: var(--lineHeightXl);
}

.category-item-group span {
    font-weight: var(--fontWeightBold);
    line-height: var(--lineHeightXl);
}

.more-group {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.price-text {
    font-size: var(--fontSize5Xl);
    line-height: var(--lineHeight6Xl);
    font-weight: var(--fontWeightExtrabold);
    display: flex;
    align-items: center;
    gap: 0 6px;
}

.price-text span {
    font-size: var(--fontSizeLg);
    line-height: var(--lineHeightXl);
    font-weight: var(--fontWeightMedium);
}


/* main section3 */
.third-stack {
    position: relative;
}

.third-section {
    position: sticky;
    top: 0;
    height: 100vh;
    width: 100%;
    background: var(--colorWhite);
    display: grid;
    place-items: center;
}

.third-section { z-index: 1; }
.third-section:nth-of-type(2) { z-index: 2; }
.third-section:nth-of-type(3) { z-index: 3; }

.third-section .content-inner {
    height: 100%;
    display: flex;
    align-items: center;
    gap: 0 140px;
    padding: 0 200px;
    box-sizing: border-box;
}

.third-section .content-inner>img {
    width: 300px;
    filter: drop-shadow(-32px 24px 48px rgba(1, 0, 35, 0.06)) drop-shadow(0px 0.926px 5.559px rgba(20, 27, 41, 0.08));
}

.overlay-group {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 30px 0;
}

.section-category {
    padding: 8px 14px;
    background-color: var(--colorPrimary);
    border-radius: var(--borderRadius2Xl);
    font-weight: var(--fontWeightBold);
    color: var(--colorWhite);
    line-height: var(--lineHeightXl);
}


/* main section4 */
.fourth-section {
    position: relative;
    z-index: 5;
    background-color: var(--colorGray100);
}

.fourth-section .content-inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
    gap: 0 20px;
}

.support-content {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 20px 0;
}

.support-content .section-title {
    display: flex;
    align-items: center;
    gap: 0 10px;
    font-size: var(--fontSize4Xl);
    line-height: var(--lineHeight5Xl);
}

.support-content .section-title a {
    display: flex;
    align-items: center;
    justify-content: center;
}

.support-content .section-title a:hover img {
    content: url(../../images/common/moreBtnIconHover.svg);
}

.notice-list-box {
    width: 100%;
    height: 330px;
    background-color: var(--colorWhite);
    border-radius: var(--borderRadiusLg);
}

.notice-list-box ul {
    width: 100%;
    height: 100%;
    padding: 40px 30px;
    box-sizing: border-box;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 30px 0;
}

.notice-list-box ul li {
    width: 100%;
}

.notice-list-box ul li a {
    width: 100%;
    display: grid;
    align-items: center;
    justify-content: space-between;
    grid-template-columns: minmax(400px, auto) auto;
    gap: 0 20px;
}

.list-title {
    display: flex;
    align-items: center;
    gap: 0 10px;
}

.list-title p {
    min-width: calc(100% - 50px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--colorGray700);
    line-height: var(--lineHeightXl);
}

.notice-list-box ul li a:hover p {
    font-weight: var(--fontWeightExtrabold);
}

.list-date {
    color: var(--colorGray500);
    line-height: var(--lineHeightXl);
}

.cs-group {
    width: 100%;
    height: 330px;
    background-color: var(--colorWhite);
    border-radius: var(--borderRadiusLg);
    padding: 40px 50px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cs-info-group {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 30px 0;
}

.cs-number-group {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px 0;
}

.cs-number-group p {
    font-size: var(--fontSizeXl);
    color: var(--colorGray600);
    line-height: var(--lineHeight2Xl);
    font-weight: var(--fontWeightBold);
}

.cs-number {
    font-size: var(--fontSize7Xl);
    line-height: var(--lineHeight8Xl);
    font-weight: var(--fontWeightExtrabold);
}

.time-box ul {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px 0;
}

.time-box ul li {
    display: flex;
    align-items: center;
    gap: 0 12px;
    color: var(--colorGray600);
    line-height: var(--lineHeightXl);
}

.time-box ul li span {
    display: flex;
    align-items: center;
    gap: 0 5px;
}

.time-box ul li span strong {
    font-weight: var(--fontWeightBold);
}





/* responsive css */
@media screen and (min-width: 768px) and (max-width: 1279px) {

    /* main common */
    section {
        padding: 80px 0;
    }

    /* main common */


    /* visual section */
    .logo {
        width: 366px;
    }

    .visual-content {
        padding: 50vh 0 175px;
    }

    .phone-image {
        width: 300px;
    }

    .phone-image::before {
        width: 300px;
        height: 640px;
        right: 44px;
        top: 47px;
        border-radius: var(--borderRadius3Xl);
    }

    .phone-group .title-group {
        margin: 128px 0 40px;
    }

    .phone-group .desc {
        font-size: var(--fontSizeXl);
        line-height: var(--lineHeight2Xl);
    }


    /* main section1 */
    .first-section .content-inner {
        gap: 30px 0;
    }

    .static-vpn,
    .dynamic-vpn {
        height: 333px;
        grid-column: 1 / span 2;
        padding: 0;
        align-items: flex-end;
        justify-content: space-between;
    }

    .download,
    .ip-change {
        padding: 40px;
        align-items: flex-start;
        justify-content: space-between;
        flex-direction: column;
    }

    .download .section-title,
    .ip-change .section-title {
        height: auto;
    }

    .dynamic-vpn {
        margin-top: 0;
    }

    .item-content-group {
        justify-content: space-between;
        gap: 0;
        padding: 40px;
        box-sizing: border-box;
    }

    .item-group .section-title::before {
        content: none;
    }

    .item-group {
        border: 1px solid var(--colorGray100);
    }

    .item-group:hover {
        background-color: var(--colorWhite);
        border: 1px solid var(--colorPrimary);
    }

    .item-group:hover .btn {
        border: 1px solid var(--colorBlack);
        color: var(--colorBlack);
        background-color: var(--colorTransparent);
    }

    .item-group:hover .section-title {
        color: var(--colorBlack) !important;
    }

    .item-group:hover .desc {
        color: var(--colorGray600) !important;
    }

    .item-group:hover .section-title {
        padding-left: 0;
    }

    .static-vpn:hover .item-image {
        background-image: url(../../images/main/staticGridIcon.png);
    }

    .dynamic-vpn:hover .item-image {
        background-image: url(../../images/main/dynamicGridIcon.png);
    }


    /* main section2 */
    .second-section .content-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 40px 0;
    }

    .title-tab-group {
        width: 100%;
        gap: 30px 0;
        padding-top: 0;
    }

    .tab-box {
        width: 100%;
    }

    .tab-box ul {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
        gap: 0 10px;
    }

    .tab-box ul li {
        height: 52px;
        font-size: var(--fontSizeLg);
    }

    .tab-content {
        width: 100%;
        height: auto;
        overflow-y: visible;
        padding-right: 0;
    }

    .tab-list-box {
        width: 100%;
        overflow: hidden;
    }

    .tab-list-box ul {
        height: 608px;
        gap: 10px 0;
    }

    .tab-list-box ul li {
        height: 196px !important;
        margin: 0;
        outline: 0;
    }

    .tab-list-box ul li:hover{
        outline: 0;
        border: 1px solid var(--colorPrimary);
    }

    .tab-list-box .swiper-pagination {
        position: relative;
        margin-top: 30px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0 8px;
        top: 0;
    }

    .tab-list-box .swiper-pagination-bullet {
        width: 8px;
        height: 8px;
        border-radius: var(--borderRadiusLg);
        background-color: var(--colorPrimary200);
        opacity: 1;
        margin: 0 !important;
        transition: all .5s ease;
    }

    .tab-list-box .swiper-pagination-bullet-active {
        width: 25px;
        background-color: var(--colorPrimary);
    }

    .swiper-pagination{
        display: block;
    }

    .btn-group {
        width: max-content;
        display: flex;
    }


    /* main section3 */
    .third-section .content-inner {
        justify-content: center;
        gap: 0 60px;
        padding: 0 40px;
    }

    .third-section .content-inner>img {
        width: 225px;
    }

    .overlay-group {
        gap: 20px 0;
    }

    .section-category {
        padding: 8px 12px;
        font-size: var(--fontSizeBase);
        line-height: var(--lineHeightMd);
    }


    /* main section4 */
    .fourth-section .content-inner {
        grid-template-columns: 1fr;
        gap: 40px 0;
    }

    .support-content {
        width: 100%;
    }

    .support-content .section-title {
        font-size: var(--fontSize3Xl);
        line-height: var(--lineHeight4Xl);
    }

    .notice-list-box {
        width: 100%;
        height: auto;
    }

    .notice-list-box ul {
        padding: 40px 30px;
    }

    .list-title p {
        font-size: var(--fontSizeLg);
        line-height: var(--lineHeightXl);
    }

    .cs-group {
        width: 100%;
        height: auto;
        padding: 40px 50px;
        box-sizing: border-box;
    }

    .cs-info-group {
        gap: 20px 0;
    }

}

@media screen and (max-width: 767px) {

    /* main common */
    section {
        padding: 50px 0;
    }

    /* main common */


    /* visual section */
    .logo {
        width: 230px;
    }

    .visual-content {
        padding: 50vh 0 97px;
    }

    .phone-image {
        width: 190px;
    }

    .phone-image::before {
        width: 190px;
        height: 400px;
        right: 27px;
        top: 30px;
        border-radius: var(--borderRadius2Xl);
    }

    .phone-group .title-group {
        margin: 80px 0 30px;
    }

    .phone-group .desc {
        font-size: var(--fontSizeBase);
        line-height: var(--lineHeightMd);
    }


    /* main section1 */
    .first-section .content-inner {
        gap: 20px;
    }

    .grid-group {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .static-vpn,
    .dynamic-vpn {
        height: 170px;
        padding: 30px;
    }

    .download,
    .ip-change {
        height: 170px;
        padding: 30px;
        align-items: flex-start;
        flex-direction: column;
    }

    .download .section-title,
    .ip-change .section-title {
        height: auto;
    }

    .dynamic-vpn {
        margin-top: 0;
    }

    .item-content-group {
        width: 100%;
        gap: 0;
        justify-content: space-between;
    }

    .item-group .section-title::before {
        width: 40px;
        height: 40px;
        background-position: center center;
        background-repeat: no-repeat;
        background-size: cover;
        top: 50%;
        left: auto;
        right: -45px;
        transform: translateY(-50%);
    }

    .static-vpn .section-title::before {
        background-image: url(../../images/main/staticGridIcon.png);
    }

    .dynamic-vpn .section-title::before {
        background-image: url(../../images/main/dynamicGridIcon.png);
    }

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

    .item-image {
        display: none;
    }

    .item-image img {
        transition: none;
    }

    .item-group:hover {
        background-color: var(--colorGray100);
    }

    .item-group .btn {
        width: 100%;
    }

    .item-group:hover .btn {
        border: 1px solid var(--colorBlack);
        color: var(--colorBlack);
        background-color: var(--colorTransparent);
    }

    .item-group:hover .section-title,
    .item-group:hover .desc {
        color: var(--colorBlack) !important;
    }

    .item-group:hover .section-title {
        padding-left: 0;
    }

    .item-group:hover .section-title:before {
        background-color: var(--colorTransparent);
    }


    /* main section2 */
    .second-section .content-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 30px 0;
    }

    .title-tab-group {
        width: 100%;
        gap: 20px 0;
        padding-top: 0;
    }

    .tab-box {
        width: 100%;
    }

    .tab-box ul {
        gap: 12px 0;
    }

    .tab-box ul li {
        height: 45px;
        padding: 0 20px;
        font-size: var(--fontSizeMd);
    }

    .tab-content {
        width: 100%;
        height: auto;
        overflow-y: visible;
        padding-right: 0;
    }

    .tab-list-box {
        width: 100%;
        overflow: hidden;
    }

    .tab-list-box ul {
        height: 560px;
        gap: 10px 0;
    }

    .tab-list-box ul li {
        height: 180px !important;
        padding: 30px 20px;
        justify-content: space-between;
        margin: 0;
        outline: 0;
    }

    .tab-list-box ul li:hover{
        outline: 0;
        border: 1px solid var(--colorPrimary);
    }

    .category-item-group {
        gap: 0 8px;
    }

    .category-item-group p {
        gap: 0 4px;
        font-size: var(--fontSizeBase);
        line-height: var(--lineHeightMd);
    }

    .category-item-group p img {
        width: 18px;
    }

    .category-item-group span {
        font-size: var(--fontSizeBase);
        line-height: var(--lineHeightMd);
    }

    .more-group {
        align-items: flex-start;
        flex-direction: column;
        gap: 15px 0;
    }

    .price-text {
        font-size: var(--fontSize3Xl);
        line-height: var(--lineHeight4Xl);
    }

    .price-text span {
        font-size: var(--fontSizeMd);
        line-height: var(--lineHeightLg);
    }

    .tab-list-box .swiper-pagination {
        position: relative;
        margin-top: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0 8px;
        top: 0;
    }

    .tab-list-box .swiper-pagination-bullet {
        width: 8px;
        height: 8px;
        border-radius: var(--borderRadiusLg);
        background-color: var(--colorPrimary200);
        opacity: 1;
        margin: 0 !important;
        transition: all .5s ease;
    }

    .tab-list-box .swiper-pagination-bullet-active {
        width: 25px;
        background-color: var(--colorPrimary);
    }

    .swiper-pagination{
        display: block;
    }

    .btn-group {
        flex-direction: row;
        gap: 0 10px;
    }

    .btn-group .btn {
        width: inherit;
    }


    /* main section3 */
    .third-section .content-inner {
        justify-content: center;
        flex-direction: column;
        gap: 50px 0;
        padding: 0;
    }

    .third-section .content-inner>img {
        width: auto;
        height: 40vh;
        min-height: 250px;
    }

    .overlay-group {
        align-items: center;
        gap: 15px 0;
    }

    .section-category {
        padding: 7px 12px;
        font-size: var(--fontSizeXs);
        line-height: var(--lineHeightXs);
    }

    .overlay-group .section-title {
        text-align: center;
    }

    .overlay-group .desc {
        text-align: center;
    }


    /* main section4 */
    .fourth-section .content-inner {
        grid-template-columns: 1fr;
        gap: 40px 0;
    }

    .support-content {
        width: 100%;
        gap: 10px 0;
    }

    .support-content .section-title {
        gap: 0 5px;
        font-size: var(--fontSizeLg);
        line-height: var(--lineHeightXl);
    }

    .support-content .section-title a img {
        width: 24px;
    }

    .notice-list-box {
        width: 100%;
        height: auto;
    }

    .notice-list-box ul {
        padding: 30px 20px;
    }

    .notice-list-box ul li a {
        grid-template-columns: 1fr;
    }

    .list-title {
        width: 100%;
        align-items: flex-start;
        flex-direction: column;
        gap: 8px 0;
    }

    .list-title p {
        width: 100%;
        min-width: auto;
        white-space: inherit;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
        word-break: break-all;
        text-overflow: ellipsis;
        -webkit-line-clamp: 2;
        font-size: var(--fontSizeBase);
        line-height: var(--lineHeightMd)
    }

    .list-date {
        display: none;
    }

    .cs-group {
        width: 100%;
        height: auto;
        padding: 30px 20px;
        box-sizing: border-box;
        position: relative;
    }

    .cs-info-group {
        gap: 20px 0;
    }

    .cs-number-group p {
        font-size: var(--fontSizeMd);
        line-height: var(--lineHeightLg);
    }

    .cs-number {
        font-size: var(--fontSize5Xl);
        line-height: var(--lineHeight6Xl);
    }

    .time-box ul li {
        font-size: var(--fontSizeBase);
        line-height: var(--lineHeightMd);
    }

    .cs-group img {
        width: 60px;
        position: absolute;
        top: 52px;
        right: 20px;
    }
}