main.main {
    width: 100vw;
}

.video-section {
    width: 100%;
    height: 100vh;
}

.video-section video {
    position: absolute;
    display: block;
    z-index: -5;
    margin: 0;
    border: 0;
    padding: 0;
    object-fit: cover;
}

.video-wrapper {
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .55);
}

.scroll-line {
    position: absolute;
    left: 50%;
    bottom: 130px;
    transform: translateX(-50%);
    background-color: #fff;
    width: 2px;
    height: 80px;
    animation: fadeInUp 1s ease-out forwards;
    opacity: 0;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #fff;
    z-index: 10;
    font-family: 'Segoe UI', sans-serif;
    animation: fadeInUp 1s ease-out forwards;
    opacity: 0;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid white;
    border-radius: 14px;
    margin: 0 auto 10px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: white;
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollDown 1.5s infinite;
}

.scroll-text {
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.8;
}

.business-section {
    background-color: #fff;
}

@keyframes scrollDown {
    0% {
        opacity: 1;
        top: 8px;
    }

    50% {
        opacity: 0.5;
        top: 16px;
    }

    100% {
        opacity: 0;
        top: 24px;
    }
}

@keyframes fadeInUp {
    from {
        transform: translate(-50%, 20px);
        opacity: 0;
    }

    to {
        transform: translate(-50%, 0);
        opacity: 0.6;
    }
}

.slogan-container {
    position: absolute;
    top: 55%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 5;
}

.slogan-text {
    color: #cfcfcf;
    font-size: 1.5rem;
    font-weight: 500;
    margin: 0.5em 0;
    opacity: 0;
    animation: fadeInText 1s ease-out forwards;
}

.slogan-text b {
    font-weight: 600;
    color: #fff;
    font-size: 2.2rem;
}

.slogan-text:nth-child(1) {
    animation-delay: 0.3s;
}

.slogan-text:nth-child(2) {
    animation-delay: 1.0s;
}

.slogan-text:nth-child(3) {
    animation-delay: 1.7s;
}

@keyframes fadeInText {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.business-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    /* 기본: 1칸 */
    gap: 2rem;
    padding: 1rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    height: 100%;
}

@media (min-width: 600px) {
    .business-wrapper {
        grid-template-columns: repeat(2, 1fr);
        /* 600px 이상: 2칸 */
    }
}

@media (min-width: 1200px) {
    .business-wrapper {
        grid-template-columns: repeat(4, 1fr);
        /* 1200px 이상: 4칸 */
    }
}

.business-card {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease-out;
    padding: 0.2rem;
    border-radius: 1rem;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.business-card.show {
    opacity: 1;
    transform: translateY(0);
}

.icon-circle {
    width: 70%;
    height: 70%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
}

.icon-circle img {
    width: 100%;
    height: 100%;
    transition: all .4s;
    object-fit: contain;
}

.business-card h3 {
    margin: 0.5rem 0;
    font-size: 1.2rem;
    color: #333;
}

.business-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.5;
}

.section-title {
    padding-top: 3rem;
    font-size: 2rem;
    text-align: center;
    color: #0E3D8A;
}

.section-title.white {
    color: #fff;
}

.notice-list-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.notice-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #222;
    margin-bottom: 20px;
    border-bottom: 2px solid #0d6efd;
    display: inline-block;
    padding-bottom: 5px;
    text-align: center;
}

.notice-list {
    width: 100%;
    list-style: none;
    padding-top: 40px;
    margin: 0;
}

.notice-list li {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    margin-bottom: 12px;
    transition: all 0.4s;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.28);
}

.notice-list li:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.58);
    transform: scale(1.01);
}

.notice-list a {
    font-size: 1rem;
    font-weight: 500;
    color: #0d6efd;
    text-decoration: none;
}

.notice-list a:hover {
    text-decoration: underline;
}

.notice-meta {
    font-size: 0.85rem;
    color: #777;
    margin-top: 6px;
}

.news-section {
    background-color: #315ab9;
}

.etc-list {
    list-style: none;
}

.etc-list-item {
    width: 100%;
    position: relative;
    background-image: url('/path/to/your-image.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

.etc-list-wrapper {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1240px;
    padding: 40px 40px;
    margin: auto;
    z-index: 10;
}

.etc-title {
    color: #fff;
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 10px;
}

.etc-detail {
    color: #f3f3f3;
    font-size: 1rem;
}

.etc-content-list {
    display: flex;
    flex-direction: row;
    align-items: center;
    list-style: none;
}

.etc-content-list-item {
    position: relative;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: rgba(16, 97, 199, 0.8);
    margin-left: 20px;
    transition: all .4s;
}

.sky .etc-content-list-item {
    background-color: rgba(63, 165, 233, 0.8);
}

.cyan .etc-content-list-item {
    background-color: rgba(27, 149, 170, 0.8);
}

.etc-content-list-item:hover {
    opacity: .8;
}

.etc-content-list-item a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    text-align: center;
    text-decoration: none;
    color: #fff;
    font-size: 1rem;
    padding: 30px 0;
}

.etc-list-fade {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    opacity: .5;
    transition: all .4s;
    pointer-events: none;
    z-index: 1;
}

.etc-list-item:hover .etc-list-fade {
    opacity: .7;
}

.item-icon {
    width: 60px;
    height: 60px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    filter: brightness(0) invert(1);
}


.container {
    margin-top: 200px;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#flipbook {
    width: 960px;
    height: 600px;
}

#flipbook .page {
    background: white;
}

#flipbook img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.scene-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    min-height: 500px;
    overflow: hidden;
    z-index: 1;
}

.scene {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 1;
}

.scene.active {
    z-index: 2;
}

.scene-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;

    /* 초기 clip-path는 전체 사각형 */
    clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
    /* clip-path transition 제거 */
}

/* 사선 닦임 애니메이션 키프레임 */
@keyframes wipe-out-diagonal {
    0% {
        clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
    }

    100% {
        clip-path: polygon(100% 0%, 200% 0%, 200% 100%, 100% 100%);
    }
}

.scene.wipe-out .scene-item {
    animation: wipe-out-diagonal 1.2s ease-in-out forwards;
}

.scene-text-container {
    position: absolute;
    bottom: calc(5% + 70px + 20px);
    left: 100px;
    color: white;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease, transform 1s ease;
    z-index: 3;
}

.scene-text-container.show {
    opacity: 1;
    transform: translateY(0);
}

.scene-text-title {
    font-size: 3.2rem;
    font-weight: 900;
    padding-bottom: 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 3px solid #fff;
    /* 텍스트 쉐도우 추가 */
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.7);
}

.scene-text-detail span {
    display: block;
    font-size: 1.5rem;
    line-height: 1.6;
    /* 텍스트 쉐도우 추가 */
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

.slide-controls {
    position: absolute;
    bottom: 5%;
    left: 100px;
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 8px 0;
    border-radius: 8px;
    color: white;
    font-weight: bold;
    user-select: none;
    z-index: 10;
}

.slide-btn {
    background: transparent;
    border: none;
    color: white;
    font-size: 1.3rem;
    cursor: pointer;
    padding: 10px 14px;
    border-radius: 4px;
    transition: all 0.3s ease;
    background-color: rgba(0, 0, 0, 0.8);
}

.slide-btn:hover {
    background-color: rgba(50, 50, 50, 0.6);
}

/* 프로그레스 바 컨테이너 */
.slide-progress-container {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 320px;
}

/* 각 개별 막대기 */
.progress-bar {
    position: relative;
    width: 75px;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    overflow: hidden;
    transition: height 0.3s ease;
    cursor: pointer;
}

/* 활성 막대는 두꺼워짐 */
.progress-bar.active {
    height: 10px;
    background: rgba(255, 255, 255, 0.6);
}

/* 진행률 채우는 흰색 바 */
.progress-bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: white;
    border-radius: 4px 0 0 4px;
    transition: width 0.1s linear;
    pointer-events: none;
}

@media (max-width: 1023px) {
    .etc-list-wrapper {
        flex-direction: column;
    }

    .etc-list-text {
        text-align: center;
        margin-bottom: 2rem;
    }
}

@media (max-width: 767px) {
    .slide-controls {
        width: 100%;
        left: 0;
        display: flex;
        flex-direction: row;
        justify-content: center;
    }

    .scene-text-container {
        width: 100%;
        left: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
    }

    .etc-content-list {
        flex-direction: column;
    }

    .etc-content-list-item {
        margin-left: 0;
        margin-bottom: 20px;
    }

    .scene-item {
        object-position: 60% 20%;
    }

    .scene-text-container {
        bottom: 40%;
    }

    .slide-progress-container {
        width: 200px;
    }

    .progress-bar {
        width: 45px;
    }
}