body {
    display: flex;
    flex-direction: column;
    height: 100vh;
    margin: 0;
    overflow: hidden; /* 全体スクロール禁止 */
}
#app {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
#map-container {
    flex-grow: 1;
    position: relative;
    overflow: hidden;
}
#map {
    height: 100%;
    width: 100%;
}
.map-button {
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    cursor: pointer;
    z-index: 1000;
}
#search-button {
    top: 20px;
    right: 20px;
    background-color: #007bff;
    color: white;
}
#post-button {
    bottom: 20px;
    right: 20px;
    background-color: #28a745;
    color: white;
}
.location-overlay {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    z-index: 1000;
    pointer-events: none; /* Clicks go through to the map */
        }