body,
html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Helvetica Neue', Arial, Helvetica, sans-serif;
}

#container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

header {
    background-color: #f8f9fa;
    padding: 10px 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

h1 {
    margin: 0 0 10px 0;
    font-size: 1.5rem;
    color: #333;
}

#controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

#map {
    flex-grow: 1;
    z-index: 1;
}

#status-message {
    color: #666;
    font-size: 0.9rem;
}

/* 凡例スタイル */
.info.legend {
    padding: 6px 8px;
    font: 14px/18px Arial, Helvetica, sans-serif;
    background: white;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
    border-radius: 5px;
    color: #555;
}

.info.legend h4 {
    margin: 0 0 5px;
    color: #777;
}

.info.legend i {
    width: 18px;
    height: 18px;
    float: left;
    margin-right: 8px;
    opacity: 0.7;
}