body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column; /* 縦方向に配置 */
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #e0f7fa; /* 淡いシアン */
    color: #333;
    text-align: center;
}

.container {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    max-width: 770px;
    height: 100%;
}

h1 {
    color: #00796b; /* ダークシアン */
    margin-bottom: 20px;
    font-size: 1.8em;
}

p {
    line-height: 1.5;
    margin-bottom: 10px;
    font-size: 0.95em;
}

button {
    background-color: #009688; /* グリーン */
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1em;
    transition: background-color 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
}

button:hover {
    background-color: #00796b;
    transform: translateY(-2px);
}

button:active {
    background-color: #00695c;
    transform: translateY(0);
}

.sensor-display {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
}

.sensor-display h2 {
    color: #3f51b5; /* インディゴ */
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.2em;
}

.sensor-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95em;
}

.sensor-table td {
    padding: 8px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.sensor-table tr:last-child td {
    border-bottom: none;
}

.sensor-table td:first-child {
    width: 50%;
    font-weight: bold;
}


.message {
    margin-top: 20px;
    font-size: 0.9em;
    color: #666;
}

/* フッターのスタイル */
.lifewarelab-credit {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    padding: 15px 0;
    text-align: center;
    font-size: 1em;
    color: #555;
    border-top: 1px solid #eee;
    box-shadow: 0 -2px 5px rgba(0,0,0,0.05);
}

.lifewarelab-credit div {
    display: flex;
    justify-content: center;
    align-items: center;
}

.lifewarelab-credit span {
    margin-right: 10px;
}

.lifewarelab-logo {
    height: 24px; /* ロゴの高さを調整 */
    vertical-align: middle;
}

.language-switcher {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1000;
}

.language-switcher a {
    display: inline-block;
    padding: 8px 15px;
    background-color: #009688;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.9em;
    transition: background-color 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.language-switcher a:hover {
    background-color: #00796b;
}