@charset "UTF-8";

#About {
    position: relative;
    padding-top: 108px;
    width: 100%;
    overflow-x: hidden;
}

#About .top-section-wrapper {
    margin-bottom: 130px;
}
@media screen and (max-width: 767px) {
    #About .top-section-wrapper {
        margin-bottom: 80px;
    }
}

#About .concept-section {
    position: relative;
}

#About .concept-background-text {
    position: absolute;
    z-index: 1;
    font-size: 350px;
    font-weight: 500;
    top: 400px;
    left: -430px;
}

#About .concept-inner {
    position: relative;
    max-width: 1470px;
    margin: 0 auto;
    padding: 0 15px;
}

#About .concept-content-wrapper {
    display: flex;
    justify-content: space-between;
}
@media screen and (max-width: 1100px) {
    #About .concept-content-wrapper {
        flex-direction: column;
        align-items: center;
        padding-bottom: 50px;
    }
}

#About .concept-text-content {
    width: 100%;
    max-width: 935px;
    padding-top: 130px;
    margin-left: 170px;
}
@media screen and (max-width: 1100px) {
    #About .concept-text-content {
        width: 70%;
        text-align: center;
        margin: 0 auto;
        padding: 0;
    }
}
@media screen and (max-width: 767px) {
    #About .concept-text-content {
        width: 100%;
    }
}

#About .concept-title-wrapper {
    margin-bottom: 70px;
}
@media screen and (max-width: 1100px) {
    #About .concept-title-wrapper {
        transform: translateX(-42px);
    }
}
@media screen and (max-width: 767px) {
    #About .concept-title-wrapper {
        margin-bottom: 30px;
    }
}

#About .concept-heading {
    font-size: 40px;
    font-weight: 600;
    line-height: 1.75em;
    letter-spacing: 0.08em;
    margin-bottom: 110px;
}
@media screen and (max-width: 1100px) {
    #About .concept-heading {
        margin-bottom: 30px;
    }
}
@media screen and (max-width: 767px) {
    #About .concept-heading {
        font-size: 32px;
    }
}
@media screen and (max-width: 400px) {
    #About .concept-heading br {
        display: none;
    }
}

#About .concept-description {
    font-size: 16px;
    line-height: 1;
    color: #333;
    margin-bottom: 40px;
    line-height: 2.2em;
    letter-spacing: 0.032em;
}

#About .concept-image-wrapper {
    position: absolute;
    top: 0;
    right: 15px;
    width: 44.9%;
    max-width: 660px;
    z-index: -30;
}
@media screen and (max-width: 1100px) {
    #About .concept-image-wrapper {
        position: relative;
        width: 70%;
    }
}
@media screen and (max-width: 767px) {
    #About .concept-image-wrapper {
        width: 100%;
    }
}

#About .concept-image {
    width: 100%;
}

#About .video-section {
    position: relative;
    z-index: 0;
    padding: 61px 0 63px;
    text-align: center;
    background-color: rgba(173, 187, 198, 0.5);
}

#About .video-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

#About .video-title-wrapper {
    display: flex inline;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-bottom: 70px;
}

#About .video-decoration-left {
    position: absolute;
    left: -30%;
    top: 50%;
    transform: translateY(-40%);
    width: 60px;
    aspect-ratio: 60 / 115;
}
@media screen and (max-width: 767px) {
    #About .video-decoration-left {
        width: 40px;
        left: -17%;
    }
}

#About .video-title {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.028em;
}
@media screen and (max-width: 767px) {
    #About .video-title {
        font-size: 32px;
    }
}

#About .video-decoration-right {
    position: absolute;
    right: -35%;
    top: 50%;
    transform: translateY(-40%);
    width: 93px;
    aspect-ratio: 93 / 91;
}
@media screen and (max-width: 767px) {
    #About .video-decoration-right {
        width: 60px;
        right: -20%;
    }
}
@media screen and (max-width: 400px) {
    #About .video-decoration-left,
    #About .video-decoration-right {
        display: none;
    }
}


#About .video-decoration-bottom {
    position: absolute;
    left: 50%;
    bottom: -50%;
    transform: translate(-50%, 28px);
    width: 169px;
    height: auto;
}

#About .video-frame-container {
    position: relative;
    aspect-ratio: 16/9;
    max-width: 700px;
    margin: 0 auto;
}

#About .video-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

#About .reason-section {
    position: relative;
    padding: calc(58px + 150px) 0 80px;
    margin-top: -150px;
}

#About .reason-background-text {
    position: absolute;
    z-index: 1;
    font-size: 350px;
    font-weight: 500;
    top: 330px;
    right: 500px;
}

#About .reason-inner {
    max-width: 1330px;
    margin: 0 auto;
    position: relative;
    z-index: 0;
}

#About .reason-title-wrapper {
    padding-left: 103px;
    padding-right: 0;
    max-width: 1440px;
    margin: 0 auto 100px;
}
@media screen and (max-width: 1300px) {
    #About .reason-title-wrapper {
        padding-left: 0;
        text-align: center;
        transform: translateX(-42px);
    }
}

#About .reason-container {
    position: relative;
    display: flex;
    column-gap: 100px;
    padding-bottom: 93px;
}
@media screen and (max-width: 1150px) {
    #About .reason-container {
        padding-top: 30px;
        padding-bottom: 30px;
        column-gap: 40px;
    }
}

#About .reason-container.last {
    margin-bottom: 0;
}

#About .reason-container:not(.last) {
    margin-bottom: 100px;
}
@media screen and (max-width: 1150px) {
    #About .reason-container:not(.last) {
        margin-bottom: 60px;
    }
}

#About .reason-container.left {
    padding-left: 103px;
}
@media screen and (max-width: 1300px) {
    #About .reason-container.left {
        padding-left: 10px;
        align-items: center;
    }
}
@media screen and (max-width: 767px) {
    #About .reason-container.left {
        flex-direction: column;
        row-gap: 30px;
    }
}

#About .reason-container.right {
    justify-content: flex-end;
    padding-right: 103px;
}
@media screen and (max-width: 1300px) {
    #About .reason-container.right {
        padding-right: 10px;
        align-items: center;
    }
}
@media screen and (max-width: 767px) {
    #About .reason-container.right {
        flex-direction: column-reverse;
        row-gap: 30px;
    }
}

#About .reason-blend-bg {
    position: absolute;
    top: 0;
    z-index: 1;
    width: 100vw;
    height: 100%;
    background-color: rgba(14, 20, 36, 0.5);
}

#About .reason-container.left .reason-blend-bg {
    left: 103px;
}
@media screen and (max-width: 1300px) {
    #About .reason-container.left .reason-blend-bg {
        left: 10px;
    }
}

#About .reason-container.right .reason-blend-bg {
    right: 103px;
}
@media screen and (max-width: 1300px) {
    #About .reason-container.right .reason-blend-bg {
        right: 10px;
    }
}

#About .reason-blend-bg::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    transform: translateY(-100%);
    width: 100%;
    height: 30px;
    background-color: #fff;
    mix-blend-mode: difference;
}

#About .reason-point-number {
    position: absolute;
    top: -34px;
    font-size: 48px;
    font-weight: 500;
    letter-spacing: -0.048em;
    color: #fff;
    mix-blend-mode: difference;
}

#About .reason-container.left .reason-point-number {
    left: 620px;
}
@media screen and (max-width: 1150px) {
    #About .reason-container.left .reason-point-number {
        right: initial;
        left: 50%;
        transform: translateX(-80%);
    }
}

#About .reason-container.right .reason-point-number {
    right: 990px;
}
@media screen and (max-width: 1150px) {
    #About .reason-container.right .reason-point-number {
        right: initial;
        left: 50%;
        transform: translateX(-30%);
    }
}

#About .reason-accent {
    position: absolute;
    top: 0;
    z-index: 1;
    width: 10px;
    height: 100%;
    opacity: 0.5;
}

#About .reason-container.left .reason-accent {
    left: 103px;
    transform: translateX(-100%);
}
@media screen and (max-width: 1300px) {
    #About .reason-container.left .reason-accent {
        left: 10px;
    }
}

#About .reason-container.right .reason-accent {
    right: 103px;
    transform: translateX(100%);
}
@media screen and (max-width: 1300px) {
    #About .reason-container.right .reason-accent {
        right: 10px;
    }
}

#About .reason-image-container {
    position: relative;
    z-index: 1;
    width: 503px;
}
@media screen and (max-width: 767px) {
    #About .reason-image-container {
        width: 90%;
    }
}

#About .reason-container.left .reason-image-container {
    left: 0;
}

#About .reason-container.right .reason-image-container {
    right: 0;
}

#About .reason-image {
    width: 100%;
}

#About .reason-content {
    padding-top: 100px;
    color: #fff;
    z-index: 10;
    width: fit-content;
}

h4.bottom_line::before {
    content: "";
    position: absolute;
    bottom: -40px;
    z-index: 100;
    width: 100vw;
    height: 3px;
    opacity: 0.6;
    background-color: #fff;
}
h4.bottom_line.left::before {
    left: -5px;
}
h4.bottom_line.right::before {
    right: 0;
}
@media screen and (max-width: 767px) {
    h4.bottom_line.left::before,
    h4.bottom_line.right::before {
        display: none;
    }
}

@media screen and (max-width: 1150px) {
    #About .reason-content {
        padding-top: 0;
    }
}

#About .reason-title {
    font-size: 36px;
    font-weight: 500;
    letter-spacing: 0.009em;
    margin-bottom: 70px;
    border-left: 5px solid #fff;
    padding-left: 17px;
    width: fit-content;
}
@media screen and (max-width: 767px) {
    #About .reason-title {
        width: 100%;
        text-align: center;
        padding-left: 0;
        border: none;
        margin-bottom: 30px;
        font-size: 32px;
    }
}

#About .reason-description {
    width: 100%;
    max-width: 500px;
    font-size: 18px;
    line-height: 2.2em;
    letter-spacing: 0.045em;
    padding-left: 17px;
}
@media screen and (max-width: 767px) {
    #About .reason-description {
        max-width: 550px;
        display: block;
        text-align: center;
        font-size: 16px;
        padding-left: 15px;
        padding-right: 15px;
    }
}
@media screen and (max-width: 500px) {
    #About .pc_only {
        display: none;
    }
}