@keyframes rotateBackground {
    from {
      transform: rotate(0deg);
    }
    to {
      transform: rotate(360deg);
    }
}
body {
    min-height: 100vh;
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background: linear-gradient(180deg, #F6FBFF 0%, #FFFFFF 70%);
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", Roboto, "Noto Sans KR", "Segoe UI", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif, NanumSquare !important;
}

.ibt-background-container {
    margin-top: -700px;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    background-image: url('https://cdn.coursemos.kr/csmsibt/assets/image/main-bg2.png');
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0px;
    animation: rotateBackground 60s linear infinite;
    transform-origin: center center;
}
.ibt-content-container { backdrop-filter: blur(100px); }
.launcher-container {
    padding-top: 300px;
    max-width: 900px;
    margin: 0 auto;
    display: flex;
}

/* Start Common */
.coursemos-text {
    color: #0075f8;
}
/* End Common */

/* Start Left Content */
.left-content {
    width: 50%;
}
.left-content > div:first-child {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
}
.left-content > div:nth-child(2) {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 32px;
}
.left-content > div:nth-child(3) {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.75;
    margin-bottom: 24px;
}
.left-content > div:nth-child(3) > ul {
    list-style-type: decimal;
    padding-left: 16px;
}
/* End Left Content */

/* Start Right Content */
.right-content {
    width: 50%;
    display: grid;
    grid-template-columns: 1fr;  /* 한 열 */
    gap: 20px;
}
.right-content > div {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0px 24px;
}
.windows-btn {
    /* windows button */
    background-color: #0075f8;
    border: none;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 50%;
    cursor: pointer;
}
.icon-windows {
    background-image: url('https://cdn.coursemos.kr/csmsibt/assets/image/windows-icon.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    width: 22px;
    height: 23px;
    display: inline-block;
    padding-right: 16px;
}
.windows-btn-text {
    color: #fff;
    font-size: 18px;
    font-weight: bold;
}

.mac-btn {
    /* mac button */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #0075f8;
    border: none;
    border-radius: 8px;
    height: 50%;
}
.mac-btn > div:nth-child(1) {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 8px;
}
.mac-btn > div:nth-child(2) {
    display: flex;
    gap: 12px;
}
.icon-mac {
    background-image: url('https://cdn.coursemos.kr/csmsibt/assets/image/mac-icon.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    width: 20px;
    height: 24px;
    display: inline-block;
    padding-right: 16px;
}
.mac-btn-text {
    color: white;
    font-weight: bold;
    font-size: 18px;
}
.mac-btn > div > button {
    width: 150px;
    height: 36px;
    background-color: white;
    border-radius: 8px;
    border: none;
    cursor: pointer;
}

/* End Right Content */