/* バリデーションチェックのエラーメッセージの書式設定 */
.validation-invalid {
    margin-top: 5px;
    margin-bottom: 5px;
    color: red;
    background-color: rgb(255, 210, 219);
    display: none;
}

.main-img-div {
    display: flex;
}

.sub-img-div {
    display: flex;
    flex-wrap: wrap;
}

.sub-img-div picture {
    flex: 1;
    max-width: 20%;
}

.sub-img-div img {
    border: 1px solid lightgrey;
}

.help-option-img-flex {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
}

.help-option-img-flex>div {
    max-width: 40%;
}

.modal {
    display: none;
}

.help-icon {
    cursor: pointer;
}

.help-icon:hover {
    filter: invert(14%) sepia(49%) saturate(5021%) hue-rotate(225deg) brightness(98%) contrast(120%);
}

.color-img {
    width: 100%;
}

.help-img {
    width: 100%;
}

#modal_error_message {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
}