main {
    background: #f4f3f2;
}
main .title_wrap {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 5rem;
    text-align: center;
    gap: 1.2rem;
    background: #fff;
    position: relative;
}
main .title_wrap span {
    font-size: 1.8rem;
    font-weight: 600;
}
main .title_wrap span .cur {
    color: #f7a12f;
}
main .title_wrap span em {
    font-size: inherit;
    font-weight: inherit;
}
main .title_wrap .question {
    font-size: 2.4rem;
    font-weight: 600;
    line-height: 1.4;
}
main .title_wrap .bookmark {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 2.5rem;
    height: 2.5rem;
    background: url("../images/book_off.png") no-repeat center / contain;
    text-indent: -9999px;
}
main .title_wrap .bookmark.on {
    background: url("../images/book_on.png") no-repeat center / contain;
}
main .btn_wrap {
    display: flex;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
}
main .btn_wrap button {
    display: block;
    font-size: 1.8rem;
    font-weight: 600;
    width: 50%;
    padding: 1.5rem;
}
main .btn_wrap button.none {
    background: #eaeaea;
    text-indent: -9999px;
    pointer-events: none;
}
main .btn_wrap .prev {
    border-right: 1px solid #ddd;
    background: #fff url("../images/prev.png") no-repeat 10% 50% / .8rem;
}
main .btn_wrap .next {
    background: #fff url("../images/next2.png") no-repeat 90% 50% / .8rem;
}
main .btn_wrap .done {
    background: #fc7647 url("../images/next3.png") no-repeat 90% 50% / .8rem;
    color: #fff;
}
main .option_wrap {
    padding: 2rem 1.5rem;
}
main .option_wrap {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
main .option_wrap li {
    background: #fff;
}
main .option_wrap li input[type="radio"] {
    display: none;
}
main .option_wrap li label {
    font-size: 2rem;
    padding: 3rem 1.5rem;
    display: block;
    border: 1px solid #eaeaea;
}
main .option_wrap li label span {
    font-size: inherit;
    margin-left: .7rem;
    color: inherit;
}
main .option_wrap li input:checked + label {
    background: #f7a12f;
    color: #fff;
}

/* replay.php */
main .option_wrap .checked label {
    color: #aaa;
    position: relative;
}
main .option_wrap .checked label::before {
    content: "";
    width: 3rem;
    height: 3rem;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 1rem;
    background: url("../images/x.png") no-repeat center / contain;
}
main .option_wrap .correct label {
    color: #fc7647;
    position: relative;
}
main .option_wrap .correct label::before {
    content: "";
    width: 3rem;
    height: 3rem;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 1rem;
    background: url("../images/o.png") no-repeat center / contain;
}
main > .check {
    position: fixed;
    bottom: 0;
    left: 0;
    font-size: 1.8rem;
    font-weight: 600;
    color: #fff;
    background: #fc7647;
    width: 100%;
    height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 299;
}

/* MODAL */
.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    background: #fff;
    border-radius: .5rem;
    z-index: 999;
    text-align: center;
    width: 70%;
    overflow: hidden;
    box-shadow: rgba(50, 50, 93, 0.25) 0px 13px 27px -5px, rgba(0, 0, 0, 0.3) 0px 8px 16px -8px;
}
.modal .title {
    font-size: 2rem;
    font-weight: 600;
    padding: 3.5rem 2rem;
}
.modal .btn_wrap {
    display: flex;
}
.modal .btn_wrap button,
.modal .btn_wrap a {
    display: block;
    width: 50%;
    padding: 1.5rem;
    font-size: 1.8rem;
    font-weight: 600;
    border-top: 1px solid #ddd;
}
.modal .btn_wrap .no {
    background: #ededed;
}
.modal .btn_wrap .yes {
    background: #fc7647;
    color: #fff;
}