html.modal-open,
body.modal-open {
    overflow: hidden;
}

.modal {
    padding: 40px 20px;
    text-align: center;
    background: rgba(0, 0, 0, 50%);
    box-sizing: border-box;
    overflow: auto;
    opacity: 0;
    visibility: hidden;
    transition: 0.4s;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.modal:before {
    content: "";
    display: inline-block;
    vertical-align: middle;
    height: 100%;
    margin-left: -0.2em;
}

.modal.is-active {
    opacity: 1;
    visibility: visible;
    overflow: hidden;
    z-index: 10;
}

.modal .modal-container {
    position: relative;
    display: inline-block;
    vertical-align: middle;
    max-width: 800px;
    width: 90%;
}

.modal .modal-container .modal-close {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    top: -20px;
    right: -20px;
    width: 40px;
    height: 40px;
    color: var(--mainwhite);
    background: #000;
    border-radius: 50%;
    cursor: pointer;
    z-index: 11;
}

.modal .modal-container .modal-content {
    background: var(--mainwhite);
    text-align: left;
    line-height: 1.8;
    position: relative;
}

.modal .modal-container .modal-content h3 {
    padding: 14px 14px 15px;
    color: var(--mainwhite);
    font-size: 20px;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    background-color: var(--mainclr);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal .modal-container .modal-content p {
    margin: 1em 1em 0;
    text-align: center;
}

.modal .modal-container .modal-content .form-row {
    max-height: 500px;
    max-width: 100%;
    position: relative;
    overflow-y: scroll;
}

.modal .modal-container .modal-content .form-row .option {
    position: relative;
    padding-top: 1rem;
    margin-top: 1rem;
    border-top: 1px solid var(--mainUltralightgrey);
}

.modal .modal-container .modal-content .form-row .option .toggle {
    display: none;
}

.modal .modal-container .modal-content .form-row .option .title,
.modal .modal-container .modal-content .form-row .option .content {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
    transition: all 0.3s;
}

.modal .modal-container .modal-content .form-row .option .title {
    padding: 5px 2em;
    font-weight: bold;
    display: block;
    cursor: pointer;
}

.modal .modal-container .modal-content .form-row .option .title::after,
.modal .modal-container .modal-content .form-row .option .title::before {
    content: "";
    position: absolute;
    right: 2em;
    top: 0.75rem;
    width: 1px;
    height: 16px;
    background-color: var(--mainblack);
    transition: all 0.4s;
}

.modal .modal-container .modal-content .form-row .option .title::after {
    transform: rotate(90deg);
}

.modal .modal-container .modal-content .form-row .option .content {
    margin: 0 2rem;
    max-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 5px 0;
}

.modal .modal-container .modal-content .form-row .option .content label {
    margin: 0;
    padding: 0;
    font-size: 0.9em;
    line-height: 1.5;
    width: 50%;
    cursor: pointer;
}

.modal .modal-container .modal-content .form-row .option .content label span {
    margin-left: 0.3rem;
}

.modal .modal-container .modal-content .form-row .option .content label:first-child,
.modal .modal-container .modal-content .form-row .option .content label:nth-child(2) {
    margin-top: 0.5rem;
}

.modal .modal-container .modal-content .form-row .option .toggle:checked + .title + .content {
    max-height: 1500px;
    transition: all 1.8s;
}

.modal .modal-container .modal-content .form-row .option .toggle:checked + .title::before {
    transform: rotate(90deg) !important;
}

.modal .modal-container .modal-footer {
    position: sticky;
    bottom: -40px;
    width: 100%;
    display: flex;
}

.modal .modal-container .modal-footer input {
    margin: 0 auto;
    color: var(--mainwhite);
    font-size: 18px;
    font-weight: 700;
    border: none;
    background: var(--regibtn);
    box-shadow: 0px 3px 15px rgba(0, 0, 0, 0.15);
    width: 100%;
    height: 80px;
    cursor: pointer;
    transition: 0.3s;
}

.modal .modal-container .modal-footer input:hover {
    background: var(--regibtnhov);
}

.contact-block ul.form_table p.experienced_work_categories,
td.experienced_work_categories {
    margin-bottom: 9px;
}

.contact-block ul.form_table p.experienced_work_categories button.modal-open,
td.experienced_work_categories button.modal-open {
    border: none;
    border-radius: 20px;
    background: var(--mainclr);
    box-shadow: 2px 2px 6px 0px rgba(0, 0, 0, 0.18);
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 40px;
    transition: 0.3s;
    cursor: pointer;
}

td.experienced_work_categories button.modal-open {
    width: 97%;
}

.contact-block ul.form_table p.experienced_work_categories button.modal-open span,
td.experienced_work_categories button.modal-open span {
    color: var(--mainwhite);
    line-height: 1;
    position: relative;
    top: -1px;
}

.contact-block ul.form_table p.experienced_work_categories button.modal-open span::after,
td.experienced_work_categories button.modal-open span::after {
    content: url(../img/ic-work.svg);
    margin-left: 3px;
    display: inline-block;
    width: 16px;
    height: 16px;
    position: relative;
    top: 1px;
}

.contact-block ul.form_table p.experienced_work_categories button.modal-open:hover,
td.experienced_work_categories button.modal-open:hover {
    background: var(--noticeclr);
    box-shadow: 2px 2px 10px 0px rgba(255, 0, 0, 0.3);
}

.contact-block ul.form_table p.experienced_work_area {
    margin-bottom: 9px;
    padding: 15px;
    font-weight: 400;
    line-height: 1.7;
    border: 1px solid var(--formborderclr);
    background: var(--mainwhite);
    position: relative;
}

.contact-block ul.form_table p.experienced_work_area:empty::before {
    content: "例）得意領域を選択してください";
    position: absolute;
    margin-left: -9px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--mainlightgrey);
    pointer-events: none;
}

.contact-block ul.form_table p.experienced_work_area:hover {
    outline: -webkit-focus-ring-color auto 1px;
}

td.experienced_work_area {
    margin-bottom: 9px;
    line-height: 1.7;
    border-radius: 2px;
    border: 1px solid var(--contactborder);
    background: var(--mainwhite);
    box-sizing: border-box;
    min-height: 40px;
    display: block;
    width: 97%;
    padding: 12px 0.5em !important;
    position: relative;
}

td.experienced_work_area:empty::before {
    content: "得意領域を選択してください";
    position: absolute;
    top: 50%;
    left: 0.5em;
    transform: translateY(-50%);
    color: var(--graycolor1);
    font-size: 16px;
    pointer-events: none;
}

td.experienced_work_area:hover {
    outline: -webkit-focus-ring-color auto 1px;
}

td.experienced_work_area span {
    color: var(--mainblack);
    line-height: 1.5;
    display: inline-block;
    vertical-align: middle;
}

td.hidden_area {
    display: block;
}

@media screen and (max-width: 599px) {
    .modal {
        padding: 30px 8px;
    }

    .modal .modal-container .modal-content h3 {
        font-size: 17px;
    }

    .modal .modal-container .modal-content .form-row {
        max-height: 500px;
        max-width: 100%;
        position: relative;
        overflow-y: scroll;
    }

    .modal .modal-container .modal-content .form-row .option .title {
        padding: 5px 1em;
    }

    .modal .modal-container .modal-content .form-row .option .title::after,
    .modal .modal-container .modal-content .form-row .option .title::before {
        right: 1.5em;
    }

    .modal .modal-container .modal-content .form-row .option .content {
        margin: 0 1rem;
    }

    .modal .modal-container .modal-content .form-row .option .content label {
        width: 100%;
    }

    .modal .modal-container .modal-content .form-row .option .content label:nth-child(2) {
        margin-top: 0;
    }
}