main .content_wrap {
    margin-bottom: 3.5rem;
}
main .content_wrap h1,
main .cert_wrap h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 2rem;
}
main .content_wrap ul li {
    width: fit-content;
}
main .content_wrap ul li a {
    display: block;
    width: 12rem;
}
main .content_wrap ul li a img {
    width: 100%;
}

main .method_wrap {
    margin: 3.5rem 0;
}
main .method_wrap img {
    width: 100%;
}

main .quick_wrap {
    padding: 1.5rem;
    border: 1px solid #eee;
    border-radius: 1rem;
    margin: 3.5rem 0;
    box-shadow: rgba(66, 66, 66, 0.1) 0px 1px 5px;
}
main .quick_wrap ul {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
main .quick_wrap ul li a {
    display: flex;
    align-items: center;
    font-size: 1.8rem;
    gap: 1rem;
    background: url("../img/arrow.png") no-repeat 100% 50% / .7rem;
    letter-spacing: -.05rem;
}
main .quick_wrap ul li a img {
    width: 5rem;
}

main .cert_wrap ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}
main .cert_wrap ul li a img {
    width: 100%;
}

/* content.php */
#content pre {
    font-size: 1.8rem;
    line-height: 1.5;
    padding-top: 1.5rem;
    color: #666;
}

/* way.php */
#way .banner_wrap {
    margin: 1.5rem 0;
    margin-top: 0;
}
#way .banner_wrap a {
    display: block;
    font-size: 0;
}
#way .banner_wrap img {
    width: 100%;
}
#way .list_wrap ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
#way .list_wrap ul li {
    padding: 1.5rem;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 1rem;
}
#way .list_wrap ul li .question {
    font-size: 1.8rem;
    font-weight: 600;
    background: url("../img/tab_open.png") no-repeat 100% 50% / 1rem;
    line-height: 1.4;
    padding-right: 2rem;
}
#way .list_wrap ul li .answer {
    display: none;
    font-size: 1.7rem;
    padding-top: 1.5rem;
    margin-top: 1.5rem;
    border-top: 1px solid #eee;
    line-height: 1.5;
    color: #666;
}
#way .list_wrap ul li.on .question {
    background: url("../img/tab_close.png") no-repeat 100% 50% / 1rem;
}
#way .list_wrap ul li.on .answer {
    display: block;
}