.fade-in__left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 1s, transform 1s;
}
.fade-in__right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 1s, transform 1s;
}
.fade-in__right.show,
.fade-in__left.show {
    opacity: 1;
    transform: translateX(0);
}
nav .active {
    font-weight: bold;
    border-bottom: 2px solid #2563EB;
}
.contents-wrapper a {
    color: #2563EB;
}
.contents-wrapper a:hover {
    color: #3B82F6;
}
details .fa-minus {
    display: none;
}
details[open] .fa-plus {
    display: none;
}
details[open] .fa-minus {
    display: block;
}
summary {
    cursor: pointer;
}
summary span {
    opacity: 1;
    transition: opacity ease-in-out 0.1s;
}
summary:hover span {
    opacity: 0.8;
    transition: opacity ease-in-out 0.1s;
}
.faq-badge {
    position: absolute;
}