html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Pretendard', sans-serif;
}

button {
    cursor: pointer;
}

.slide-item {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

.slide-item.active {
    opacity: 1;
    visibility: visible;
    z-index: 10;
}

#main-header.scrolled {
    background-color: #ffffff !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}