.functionBtn {
    position: fixed;
    z-index: 1000;
    background-color: #FFFFFFE6;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.floating-share-container {
    position: fixed;
    bottom: 150px;
    right: 90px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
}

.share-buttons-horizontal {
    display: none;
    flex-direction: row;
    gap: 10px;
    transition: all 0.3s ease;
}

.share-buttons-horizontal.show {
    display: flex;
}

.link-icon {
    position: relative;
    display: inline-block;
    width: 50px; /* 아이콘의 크기 */
    height: 50px; /* 아이콘의 크기 */
    border-radius: 50%;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;

    background-color: #FFFFFFE6;
    border: none;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.link-icon.x {
    background-image: url('../../image/share/icon-x.png'); /* 트위터 아이콘 */
}

.link-icon.facebook {
    background-image: url('../../image/share/icon-facebook.png'); /* 페이스북 아이콘 */
}

.link-icon.kakao {
    background-image: url('../../image/share/icon-kakao.png'); /* 카카오톡 아이콘 */
}

#shareBtn {
    bottom: 150px;
    right: 30px;
}

#scrollToTopBtn {
    bottom: 90px;
    right: 30px;
}

#scrollToBottomBtn {
    bottom: 30px;
    right: 30px;
}

.functionBtn:hover {
    background-color: #E6E6E6;
}

.link-icon:hover {
    filter: brightness(0.85); /* 어둡게 */
}

.functionBtn.show {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .functionBtn, .link-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
        right: 20px;
        box-shadow: 0 3px 5px rgba(0, 0, 0, 0.25);
    }

    .floating-share-container {
        bottom: 120px;
        right: 60px;
    }

    #shareBtn {
        bottom: 120px;
    }

    #scrollToTopBtn {
        bottom: 70px;
    }

    #scrollToBottomBtn {
        bottom: 20px;
    }
}