main > .title_wrap {
    padding: 2rem 1.5rem;
    background: #fff8e9;
}
main > .title_wrap h1 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: .6rem;
}
main > .title_wrap p {
    font-size: 1.5rem;
    color: #666;
}

main .search_wrap {
    padding: 1.5rem 0;
    margin: 0 1.5rem;
    border-bottom: 1px solid #ddd;
}
main .search_wrap form {
    position: relative;
}
main .search_wrap form input[type="text"] {
    width: 100%;
    font-size: 1.8rem;
    background: #f4f3f2;
    padding: 1.2rem 1.5rem;
    padding-right: 4.5rem;
    outline: none;
    border-radius: .8rem;
}
main .search_wrap form input[type="text"]::placeholder {
    color: #bbb;
}
main .search_wrap form .submit {
    position: absolute;
    top: 0;
    right: 0;
    background: url("../images/search.png") no-repeat center / 2rem;
    width: 4.5rem;
    height: 100%;
}

main .list_wrap {
    padding: 1.5rem;
    position: relative;
}
main .list_wrap > h2 {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
}
main .list_wrap > h2 em {
    font-size: inherit;
    font-weight: inherit;
    color: #fc7647;
}
main .list_wrap > .bin,
main .list_wrap > .cancel {
    position: absolute;
    top: 1.7rem;
    right: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: #a0a7af;
}
main .list_wrap > .all_remove {
    position: absolute;
    top: 1.7rem;
    right: 5.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: #dd3f3f;
}
main .list_wrap > .bin::before {
    content: "";
    position: absolute;
    top: 45%;
    transform: translateY(-50%);
    left: -2rem;
    width: 1.8rem;
    height: 1.8rem;
    background: url("../images/delete.png") no-repeat center / contain;
}
main .list_wrap .all {
    font-size: 1.6rem;
    color: #777;
    margin-bottom: 1.5rem;
}
main .list_wrap .all em {
    font-size: inherit;
    font-weight: 600;
    color: #fc7647;
}
main .list_wrap ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
main .list_wrap ul li {
    position: relative;
}
main .list_wrap ul li .bookmark {
    width: 5.5rem;
    height: 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 0;
    text-indent: -9999px;
    background: url("../images/book_off.png") no-repeat center / 2.5rem;
    z-index: 99;
}
main .list_wrap ul li .bookmark.on {
    background: url("../images/book_on.png") no-repeat center / 2.5rem;
}
main .list_wrap ul li .bin {
    width: 5rem;
    height: 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 0;
    text-indent: -9999px;
    background: url("../images/delete-color.png") no-repeat center / 2rem;
    z-index: 99;
}
main .list_wrap ul li a {
    display: flex;
    background: #f4f3f2;
    padding: 2rem 1.5rem;
    padding-right: 5rem;
    gap: 1rem;
}
main .list_wrap ul li a p {
    font-size: 2rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* exam.php */
main .exam_wrap {
    text-align: center;
    padding: 3rem 1.5rem;
    border-top: 1px solid #ddd;
}
main .exam_wrap h2 {
    font-size: 2.2rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 3rem;
}
main .exam_wrap ul {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
main .exam_wrap ul li a {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: .8rem 1.2rem;
    border: 1px solid #ddd;
    border-radius: 1rem;
}
main .exam_wrap ul li a img {
    width: 5.5rem;
}
main .exam_wrap ul li a .title {
    font-size: 1.8rem;
    font-weight: 600;
}

/* alphabet.php */
main .alphabet_wrap {
    display: flex;
    justify-content: flex-end;
}
main .alphabet_wrap .category_wrap {
    width: 20%;
    position: fixed;
    left: 0;
    top: 5.9rem;
}
main .alphabet_wrap .category_wrap ul {
    height: calc(100vh - 5.9rem);
}
main .alphabet_wrap .category_wrap ul li {
    display: flex;
    align-items: center;
    justify-content: center;
    height: calc((100vh - 5.9rem) / 14);
    text-align: center;
}
main .alphabet_wrap .category_wrap ul li button {
    display: block;
    font-size: 1.8rem;
    font-weight: 600;
    flex-grow: 1;
    height: 100%;
    border-right: 1px solid #ddd;
}
main .alphabet_wrap .category_wrap ul li button.on {
    background: #fc7647;
    color: #fff;
}
main .alphabet_wrap .category_wrap ul li:not(:last-child) {
    border-bottom: 1px solid #ddd;
}
main .alphabet_wrap .list_wrap {
    width: 80%;
}