.about-us .title-large,
.about-us .title-xlarge {
    margin: 2.4rem 0;
    color: var(--white-color);
}

.about-us .visual .bg {
    background: url("/assets/images/about/aboutUs/bg_visual.jpg") 50% 50%/cover no-repeat;
}

.about-us .pit-stop {
    position: relative;
    background-color: var(--white-color);
}

.about-us .pit-stop .inner {
    display: flex;
    flex-flow: row;
    align-items: center;
    justify-content: space-between;
    height: 100vh;
    min-height: auto;
}

.about-us .pit-stop .txt-group {
    flex: 1;
}

.about-us .pit-stop .txt-group .title {
    display: flex;
    width: 60rem;
    margin-bottom: 4.8rem;
    font-size: 8.4rem;
    color: var(--primary-color);
}

.about-us .pit-stop .txt-group .mo-img {
    display: none;
}

.about-us .pit-stop .txt-group .desc-large {
    display: flex;
    flex-flow: column;
    color: var(--gray-color-5);
    gap: 2.4rem;
}

.about-us .pit-stop .imgs {
    position: relative;
    align-self: flex-start;
    width: 56.4rem;
}

.about-us .pit-stop .imgs picture {
    display: block;
    width: fit-content;
}

.about-us .pit-stop .imgs picture:not(:first-child) {
    margin-top: 7.2rem;
}

.about-us .pit-stop .imgs picture:nth-child(odd) {
    transform: translate3d(53%, 0, 0);
}

.about-us .pit-stop .imgs img {
    max-width: 36.8rem;
}

.about-us .pit-stop .bg {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(17, 22, 26, 0) 60%, #11161A 100%);
    pointer-events: none;
}

.about-us .work {
    margin-top: -0.1rem;
    text-align: center;
    color: var(--white-color);
    background: url("/assets/images/about/aboutUs/bg_misson.jpg") 50% 50%/cover no-repeat;
}

.about-us .work .inner {
    display: flex;
    flex-flow: column;
    justify-content: center;
    min-height: 100vh;
}

.about-us .work .work-list {
    position: relative;
    margin-top: 7.2rem;
}

.about-us .work .line {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 0.2rem;
    background-color: var(--primary-color);
    transform: translate(-50%, -50%);
    transform-origin: left center;
}

.about-us .work ul {
    position: relative;
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 2.4rem;
}

.about-us .work ul li {
    position: relative;
    width: 35.2rem;
    height: 35.2rem;
    gap: 2.4rem;
}

.about-us .work ul li .circle {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: -1;
    width: 100%;
    height: 100%;
    border: 0.1rem solid var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.about-us .work ul li .txt-group {
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 4.9rem;
    border-radius: 50%;
    box-sizing: border-box;
    text-align: center;
    color: var(--white-color);
    background-color: var(--primary-color);
    gap: 2.4rem;
}

.about-us .work ul li strong {
    font-size: 3.2rem;
}

.about-us .work ul li p {
    font-size: 1.8rem;
}

.about-us .history {
    margin-top: -0.1rem;
    overflow: hidden;
}

.about-us .history .inner {
    display: flex;
    flex-flow: column;
    justify-content: center;
    min-height: 100vh;
}

.about-us .history .inner {
    align-items: flex-start;
}

.about-us .history .desc-large {
    margin: 2.4rem 0 7.2rem;
}

.about-us .history .line {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 100vw;
    height: 0.1rem;
    background-color: var(--primary-color);
}

.about-us .history .history-list {
    position: relative;
}

.about-us .history .history-list>ul {
    display: flex;
    flex-wrap: nowrap;
    font-size: 1.8rem;
}

.about-us .history .history-list>ul>li {
    position: relative;
    display: flex;
    min-width: 69rem;
    padding-top: 4rem;
    padding-right: 2.4rem;
    gap: 3.6rem;
}

.about-us .history .circle {
    position: absolute;
    top: -0.9rem;
    left: 0;
    display: block;
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 50%;
    background-color: var(--primary-color);
}

.about-us .history .year {
    margin-left: 0.8rem;
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 100%;
}

.about-us .history .month {
    flex-shrink: 0;
    width: 4rem;
    text-align: right;
}

.about-us .history .month em {
    font-weight: 400;
}

.about-us .history .event-box {
    display: inline-block;
    margin-top: 2.4rem;
    margin-left: -2.4rem;
    padding: 2.4rem;
    border-radius: 1.2rem;
    color: #0C6DD2;
    background-color: #FBFBFB;
}

.about-us .history .event-box>p {
    margin-bottom: 2.4rem;
    font-weight: 700;
}

.about-us .history .sub-list li,
.about-us .history .event-list li {
    display: flex;
    gap: 1.2rem;
}

.about-us .history .sub-list li:not(:first-child),
.about-us .history .event-list li:not(:first-child) {
    margin-top: 2.4rem;
}

.about-us .history .sub-list li span,
.about-us .history .event-list li span {
    display: block;
}

.about-us .history .sub-list li span+span,
.about-us .history .event-list li span+span {
    margin-top: 0.8rem;
}

.about-us .history .event-list p {
    font-weight: 500;
}

.about-us .story-list .inner {
    display: flex;
    flex-flow: column;
    justify-content: center;
    min-height: 100vh;
}

.about-us .story-list .desc-large {
    color: var(--gray-color-5);
}

.about-us .intro .inner {
    display: flex;
    flex-flow: column;
    justify-content: center;
    min-height: 100vh;
}

.about-us .intro .title {
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
}

.about-us .intro .title img {
    width: 55rem;
}

.about-us .intro .bg {
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.about-us .intro .bg img {
    position: absolute;
    top: 50%;
    left: 50%;
    width: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.about-us .info .inner,
.about-us .info2 .inner,
.about-us .info3 .inner {
    display: flex;
    flex-flow: column;
    justify-content: center;
    min-height: 100vh;
}

.about-us .info .title-large,
.about-us .info2 .title-large,
.about-us .info3 .title-large {
    margin: 0;
}

.about-us .info .desc-large,
.about-us .info2 .desc-large,
.about-us .info3 .desc-large {
    margin: 4.8rem 0 0;
    color: var(--gray-color-1);
}

.about-us .info .desc-large .txt-line+.txt-line,
.about-us .info2 .desc-large .txt-line+.txt-line,
.about-us .info3 .desc-large .txt-line+.txt-line {
    margin-top: 1.2rem;
}

.about-us .info {
    z-index: 100;
    background: url("/assets/images/about/aboutUs/bg_info.jpg") 50% 50%/cover no-repeat;
}

.about-us .info2 {
    z-index: 200;
    background: url("/assets/images/about/aboutUs/bg_info2.jpg") 50% 50%/cover no-repeat;
}

.about-us .info3 {
    z-index: 300;
    background: url("/assets/images/about/aboutUs/bg_info3.jpg") 50% 50%/cover no-repeat;
}

.about-us .info3 .txt-line:last-child {
    display: inline-block;
    margin-top: 4rem !important;
    padding: 1.2rem;
    border-radius: 1.2rem;
    font-size: 1.4rem;
    background: rgba(0, 0, 0, 0.17);
}

.about-us .info3 .txt-line:last-child em {
    display: block;
    margin-bottom: 1.2rem;
}

.ceo-message .bg {
    background: url("/assets/images/about/ceoMessage/bg_visual.jpg") 50% 50%/cover no-repeat;
}

.ceo-message .desc {
    display: flex;
    flex-wrap: wrap;
    font-size: 1.8rem;
    gap: 2.4rem;
}

.ceo-message .desc>div {
    flex: 1 1 35.3rem;
}

.ceo-message .desc .sign {
    display: flex;
    align-items: center;
    margin-top: 4.8rem;
    color: var(--base-text-color);
    gap: 2.4rem;
}

.ceo-message .desc .sign strong {
    font-size: 2rem;
}

.ceo-message .desc .sign img {
    max-width: 16.19rem;
}

.ceo-message .desc .img {
    position: relative;
    max-width: 38rem;
    cursor: pointer;
}

.ceo-message .desc .img.active picture {
    visibility: hidden;
    opacity: 0;
}

.ceo-message .desc .img.active .hover-img {
    visibility: visible;
    opacity: 1;
}

.ceo-message .desc .img picture {
    display: block;
    transition: all 300ms ease;
}

.ceo-message .desc .mo-sign {
    display: none;
    align-items: center;
    margin-top: 4.8rem;
    color: var(--base-text-color);
    gap: 2.4rem;
}

.ceo-message .desc .mo-sign img {
    max-width: 11.716rem;
}

.ceo-message .desc .hover-img {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0 0;
    visibility: hidden;
    opacity: 0;
    transition: all 300ms ease;
}

.aia-pp-only .bg {
    background: url("/assets/images/about/aiaPpOnly/bg_visual.jpg") 50% 50%/cover no-repeat;
}

.aia-pp-only .inner {
    display: block;
    min-height: auto;
}

.aia-pp-only .section1 {
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
}

.aia-pp-only .title-large {
    margin-bottom: 4.8rem;
}

.aia-pp-only .btn-view {
    margin-top: 7.2rem;
}

.aia-pp-only .program-list+.program-list {
    margin-top: 14.4rem;
}

.aia-pp-only .program-list h4 {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.aia-pp-only .program-list .tag {
    padding: 0.4rem 1.2rem;
    border-radius: 3rem;
    color: var(--white-color);
    background-color: var(--primary-color);
}

.aia-pp-only .program-list .desc {
    margin: 2.4rem 0 4.8rem;
}

.contact-us .bg {
    background: url("/assets/images/about/contactUs/bg_visual.jpg") 50% 50%/cover no-repeat;
}

.contact-us .map {
    width: 100%;
}

.contact-us .map .info {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    margin: 7.2rem 0 2.4rem;
    gap: 1.2rem;
}

.contact-us .map dl {
    display: grid;
    grid-template-columns: 6.7rem auto;
    font-size: 1.8rem;
    column-gap: 0.8rem;
    row-gap: 0.4rem;
}

.contact-us .map dl dt {
    color: var(--gray-color-5);
}

.contact-us .map dl dd {
    font-weight: 700;
    color: #333333;
}

.contact-us .map .map-area .loading {
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    min-height: 50rem;
    border-radius: 1.2rem;
    font-size: 1.8rem;
    background-color: rgba(0, 0, 0, 0.1);
    gap: 2.4rem;
}

.contact-us .map .map-area+.map-link {
    display: none;
    flex-flow: column;
    margin-top: 2.4rem;
    gap: 0.6rem;
}

.contact-us .map .map-area+.map-link a {
    width: 100%;
    height: 5.6rem;
}

.contact-us .office {
    margin-top: 7.2rem;
}

.contact-us .office .img-scroll {
    margin-top: 2.4rem;
}

@media screen and (max-width: 1024px) {
    .about-us .pit-stop .inner {
        align-items: flex-start;
    }

    .about-us .pit-stop .txt-group .title {
        width: 40rem;
    }

    .about-us .pit-stop .imgs {
        position: absolute;
        right: 7.2rem;
        z-index: -1;
        width: 31.2rem;
    }

    .about-us .pit-stop .imgs img {
        max-width: 19.2rem;
    }

    .about-us .work .inner {
        align-items: flex-start;
        text-align: left;
    }

    .about-us .work ul li {
        width: 30rem;
        height: 30rem;
    }

    .about-us .work ul li strong {
        font-size: 2.8rem;
    }

    .about-us .work ul li p {
        font-size: 1.6rem;
    }

    .about-us .work .line {
        left: -7.2rem;
        transform: translateY(-50%);
    }

    .about-us .history .history-list>ul {
        font-size: 1.6rem;
    }

    .about-us .history .year {
        font-size: 3.2rem;
    }

    .ceo-message .desc {
        margin-top: 4.8rem;
        font-size: 1.6rem;
        gap: 4.8rem;
    }

    .ceo-message .desc .sign {
        display: none;
    }

    .ceo-message .desc .img {
        max-width: 50rem;
    }

    .ceo-message .desc .mo-sign {
        display: flex;
    }

    .ceo-message .desc .mo-sign strong {
        font-size: 1.8rem;
    }
}

@media screen and (max-width: 768px) {
    .about-us .pit-stop .inner {
        flex-flow: column;
        justify-content: flex-start;
        height: auto;
        min-height: 100vh;
    }

    .about-us .pit-stop .txt-group {
        flex: none;
        width: 100%;
    }

    .about-us .pit-stop .txt-group .title {
        flex-flow: column;
        width: 100%;
        gap: 1.2rem;
    }

    .about-us .pit-stop .txt-group .mo-img {
        display: block;
    }

    .about-us .pit-stop .txt-group .mo-img:nth-of-type(1) {
        width: 140px;
    }

    .about-us .pit-stop .txt-group .mo-img:nth-of-type(2) {
        width: 240px;
    }

    .about-us .pit-stop .txt-group .pc-img {
        display: none;
    }

    .about-us .pit-stop .txt-group .desc-large {
        height: 20rem;
        overflow: hidden;
    }

    .about-us .pit-stop .txt-group .desc-large .txt-line {
        display: none;
    }

    .about-us .pit-stop .imgs {
        position: relative;
        right: 0;
        width: 100%;
        margin-top: 3rem;
    }

    .about-us .pit-stop .imgs picture {
        position: absolute;
        top: 0;
        left: 0;
        opacity: 0;
    }

    .about-us .pit-stop .imgs picture:not(:first-child) {
        margin-top: 0;
    }

    .about-us .pit-stop .imgs picture:nth-child(odd) {
        transform: translate3d(0, 0, 0);
    }

    .about-us .pit-stop .imgs picture:last-child {
        display: none;
    }

    .about-us .pit-stop .imgs img {
        max-width: 100%;
    }

    .about-us .work .line {
        left: -2.4rem;
    }

    .about-us .history .history-list .line {
        top: 0.8rem;
        left: 0.6rem;
        width: 0.1rem;
        height: 100%;
    }

    .about-us .history .history-list>ul {
        flex-flow: column;
        gap: 4.8rem;
    }

    .about-us .history .history-list>ul>li {
        flex-flow: column;
        min-width: auto;
        padding: 0 0 0 2.6rem;
        gap: 1.6rem;
    }

    .about-us .history .circle {
        top: 0;
        width: 1.2rem;
        height: 1.2rem;
    }

    .about-us .history .year {
        margin-left: 0;
        font-size: 2.4rem;
    }

    .about-us .history .sub-list li:not(:first-child),
    .about-us .history .event-list li:not(:first-child) {
        margin-top: 1.6rem;
    }

    .about-us .history .sub-list ul li {
        gap: 0.8rem;
    }

    .about-us .history .event-box {
        margin-top: 3.2rem;
        margin-left: 0;
        padding: 1rem;
        border: none;
    }

    .about-us .info {
        background-image: url("/assets/images/about/aboutUs/bg_m_info.jpg");
    }

    .about-us .info2 {
        background-image: url("/assets/images/about/aboutUs/bg_m_info2.jpg");
    }

    .about-us .info3 {
        background-image: url("/assets/images/about/aboutUs/bg_m_info3.jpg");
    }

    .about-us .info3 .txt-line:last-child {
        font-size: 1.2rem;
        backdrop-filter: blur(0.3rem);
    }

    .ceo-message .bg {
        background-image: url("/assets/images/about/ceoMessage/bg_m_visual.jpg");
    }

    .aia-pp-only .bg {
        background-image: url("/assets/images/about/aiaPpOnly/bg_m_visual.jpg");
    }

    .aia-pp-only .title-large {
        margin-bottom: 3.6rem;
    }

    .aia-pp-only .btn-view {
        margin-top: 3.3rem;
    }

    .aia-pp-only .program-list+.program-list {
        margin-top: 7.2rem;
    }

    .aia-pp-only .program-list h4 {
        gap: 0.4rem;
    }

    .aia-pp-only .program-list .title-mediumL {
        flex-flow: column-reverse;
        align-items: flex-start;
    }

    .aia-pp-only .program-list .desc {
        margin: 2.4rem 0 3.6rem;
    }

    .aia-pp-only .program-list .tag {
        padding: 0;
        color: var(--primary-color);
        background-color: transparent;
    }

    .contact-us .bg {
        background-image: url("/assets/images/about/contactUs/bg_m_visual.jpg");
    }

    .contact-us .map .info {
        margin-top: 4.8rem;
    }

    .contact-us .map dl {
        font-size: 1.6rem;
    }

    .contact-us .map dl+.map-link {
        display: none;
    }

    .contact-us .map .map-area+.map-link {
        display: flex;
    }
}

@media (hover: hover) and (pointer: fine) and (max-height: 999px) {
    .about-us .history .inner {
        align-items: flex-start;
        justify-content: flex-start;
        padding: 10rem 3.2rem;
    }

    .about-us .history .sub-list li,
    .about-us .history .event-list li {
        gap: 0.8rem;
    }

    .about-us .history .sub-list li:not(:first-child),
    .about-us .history .event-list li:not(:first-child) {
        margin-top: 1.2rem;
    }

    .about-us .history .sub-list li span+span,
    .about-us .history .event-list li span+span {
        margin-top: 0.4rem;
    }
}

@media (hover: hover) and (pointer: fine) and (max-height: 800px) {
    .about-us .history .inner {
        padding: 7rem 3.2rem;
    }

    .about-us .history .desc-large {
        margin: 2.4rem 0 3.2rem;
    }

    .about-us .history .history-list>ul>li {
        padding-top: 2rem;
    }

    .about-us .history .event-box {
        margin-top: 1.4rem;
        padding: 1.4rem;
    }

    .about-us .history .event-box>p {
        margin-bottom: 1.4rem;
    }

    .about-us .history .sub-list li,
    .about-us .history .event-list li {
        gap: 0.8rem;
    }

    .about-us .history .sub-list li:not(:first-child),
    .about-us .history .event-list li:not(:first-child) {
        margin-top: 1.2rem;
    }

    .about-us .history .sub-list li span+span,
    .about-us .history .event-list li span+span {
        margin-top: 0.4rem;
    }
}