html {
    scroll-behavior: smooth;
}

.Toc-Wrapper {
    margin: 64px auto;
    padding: 40px 80px;
    background-color: #f2f2f2;
    width: 800px;
}

@media (max-width: 640px) {
    .Toc-Wrapper {
        padding: 16px;
        width: auto;
    }
}

.Toc-Wrapper a {
    color: #333333;

}

.Toc-Wrapper li:hover {
    background-color: #e6e6e6;
}

.Toc-Header {
    border: none;
}

.Toc-Title {
    font-weight: bold;
    padding-left: 24px;
    position: relative;
}

.Toc-Header {
    width: 100%;
    text-align: left; 
    background: transparent; 
}

.Toc-Title::before {
    content: '';
    display: inline-block;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: url(/jp/common/v2/img/icon_page-link-large.svg) no-repeat center;
    background-size: contain;
    transition: transform 0.2s ease;
}

.Toc-Header:hover .Toc-Title::before {
    transform: translateY(-50%) rotate(-90deg);
}

.closed .Toc-Title::before {
    transform: translateY(-50%) rotate(-90deg);
}

.Toc-Header.closed:hover .Toc-Title::before {
    transform: translateY(-50%) rotate(0deg);
}

#Toc-Body {
    overflow: hidden;
}

.Toc-Contents {
    padding: 8px 0 8px 8px;
}

.Toc-Contents a {
    display: block;
}

.Toc-Contents:last-child{
    border-bottom: none;
}

.Toc-Item--lvl1 {
    font-weight: bold;
    margin-top: 16px;
}

.Toc-Item--lvl2 {
    margin-left: 40px;
    border-bottom: 1px solid #cfcfcf;
}