.int-background {
    background-color: #f5f5f5;
    padding: 0;
}

.int-background ul li::marker {
    display: none;
    color: transparent;
}
.int-video-slider {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}
.int-content {
    width: 92%;
    max-width: 1120px;
    margin: 30px auto;
    display: grid;
    grid-template-columns: 100%;
    align-items: center;
    gap: 20px;
}

.int-content-text {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 540px;
    color: #313235;
    padding: 0 10px;
}

.int-content-text h1 {
    font-size: clamp(20px, 6vw, 30px);
}

.int-video {
    width: 100%;
    max-width: 482px;
    margin: 0 auto;
    position: relative;
    aspect-ratio: 16 / 9;
    box-shadow: 0 8px 10px 0 rgba(0, 0, 0, 0.2);
    border-radius: 12px;
}

.int-video__iframe {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 12px;
}

.int-video__iframe2 {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 12px;
}

.int-content-thumbnail {
    width: 100%;
    overflow-x: auto;
}

.thumbnail-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 10px auto 0;
    gap: 8px;
}

.thumbnail-container img {
    cursor: pointer;
    height: 82px;
    width: 142px;
    max-width: 142px;
    min-width: 142px;
}

@media (min-width:768px) {
    .int-background ul li::marker {
        display: block;
        color: rgb(49, 50, 53);
    }

    .int-background {

        margin-top: -40px;
    }

    .int-content {
        grid-template-columns: 63% 35%;
        margin-bottom: 70px;
    }

    .int-video-slider {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        gap: 15px;
    }

    .int-content-text p {
        font-size: 18px;
        line-height: 24px;
    }

    .int-content-text ul {
        margin-left: 16px;
        margin-top: 8px;
        font-size: 18px;
        line-height: 24px;
        display: flex;
        flex-direction: column;
        gap: 5px;
    }

    .thumbnail-container {
        max-width: 480px;
    }
}