/* 言語切り替えのスタイル改善 */
.language-switcher {
    margin: 10px 0;
    padding: 10px;
}

.language-switcher a {
    color: #2980b9 !important;
    text-decoration: none;
    padding: 5px 10px;
    margin: 0 5px;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.language-switcher a:hover {
    background-color: #e7f2fa;
    color: #2c3e50 !important;
}

.language-switcher a.current {
    background-color: #2980b9;
    color: #ffffff !important;
    font-weight: bold;
}

/* 選択されていない言語のコントラストを改善 */
.language-switcher a:not(.current) {
    color: #404040 !important;
    font-weight: 500;
    border: 1px solid #d0d0d0;
}

.language-switcher a:not(.current):hover {
    border-color: #2980b9;
    color: #2980b9 !important;
}