/* 無障礙 css */

.skip-link {
    position: absolute;
    top: -40px;
    left: 10px;
    background: #9dc3fc;
    color: #000000;
    padding: 8px 16px;
    z-index: 1000;
    border-radius: 4px;
    transition: top 0.3s;
}
.skip-link:focus {
    top: 10px;
}

a:focus,
button:focus,
input:focus {
    box-shadow: 0 0 0 .25rem gray !important;
    border-radius: 4px;
}