일러스트 지도에 마커삽입 구현 어떻게하나요???

<div id="map-container">
        <div id="marker" class="marker" onmouseover="showInfo()" onmouseout="hideInfo()"></div>
    </div>
    <div id="info" class="info">
        <p>Marker Info</p>
    </div>
    <script src="script.js"></script>

body {
    margin: 0;
    overflow: hidden;
}

#map-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    background-image: url('your-map-image.jpg'); /* 일러스트 지도 이미지 경로 입력 */
    background-size: cover;
}

.marker {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: red;
    border-radius: 50%;
    cursor: pointer;
}

.info {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: white;
    padding: 10px;
    display: none;
}

function showInfo() {
    document.getElementById('info').style.display = 'block';
}

function hideInfo() {
    document.getElementById('info').style.display = 'none';
}

document.getElementById('marker').addEventListener('mouseover', showInfo);
document.getElementById('marker').addEventListener('mouseout', hideInfo);