.sizebox_njs ul li:first-child,
.sizebox_njs ul li:hover{
background:#f3f3f3;
}

.sizebox_njs{
background:#f3f3f3;
font-family: Noto Sans JP;
}

.item-name {
    font-size: 160%;
    font-weight: 700;
}

.sizebox_njs .item-spec-price {
    font-size: 30px;
    font-weight: 700;
    padding-right: .1em
}
.sizebox_njs ul li.image_area {
    display: flex;
}
.sizebox_njs a {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image_area {
    width: 100%;
    aspect-ratio: 40 / 35;
}

.btn-gold {
    display: block;
    background-color: #C2A35D;
    color: #fff;
    padding: 1rem;
    text-align: center;
}

.d-flex-between{
    display: flex;
    justify-content: space-between;
}

.d-flex-wrap {
    flex-wrap: wrap;
}

.col2 li {
    width: 49%;
}
.col3 li{
    width: 32%;
}
.col4 li {
    width: 23.5%;
}

.col5 li {
    width: 18.4%;
}

.section .strongs {
    font-size: 120%;
    font-weight: 700;
}

.qa-toggle {
    width: 100%;
}
.qa-toggle summary {
    display: flex;
    align-items: center;
    padding: .9rem 0 .9rem 0rem;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 1px dotted #ccc;
    gap: 0.5rem;
}
.qa-toggle summary::-webkit-details-marker {
    display: none;
}
.qa-toggle summary:before {
    content: 'Q';
    display: block;
    width: 30px;
    height: 30px;
    line-height: 30px;
    margin: auto 0;
    text-align: center;
    background-color: #277ac1;
    color: #fff;
    border-radius: 50%;
}
.qa-toggle p:before {
    content: 'A';
    display: block;
    width: 30px;
    min-width: 30px;
    height: 30px;
    line-height: 30px;
    margin: auto 0;
    text-align: center;
    background-color: #c1272d;
    color: #fff;
    border-radius: 50%;
}
.qa-toggle summary::after {
    transform: translateY(-25%) rotate(45deg);
    width: 8px;
    height: 8px;
    margin-left: 10px;
    border-bottom: 4px solid #999;
    border-right: 4px solid #999;
    content: '';
    /* transition: transform .3s; */
    margin-left: auto;
}
.qa-toggle[open] summary::after {
    transform: rotate(225deg);
}
.qa-toggle p {
    transform: translateY(-10px);
    opacity: 0;
    margin: 0;
    padding: .9rem 0 0.9rem 0;
    color: #333333;
    align-items: center;
    display: flex;
    gap: 0.5rem;
}
.qa-toggle[open] p {
    transform: none;
    opacity: 1;
}
.print-size-section {
    display: flex;
}
.print-size-section li {
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
    gap: 0.5rem;
}
.print-color-section h3 {
    font-size: 1.25em;
    font-weight: 700;
    margin-bottom: 0.5em;
}
.bag-color-section {
    display: flex;
}
.bag-color-section li {
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
    margin-bottom: 1rem;
}
.usecase-section {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}
.usecase-detaile {
    display: flex;
    gap: 2%;
}
.usecase-detaile h3 {
    font-size: 1.5rem;
    font-weight: 700;
}
.usecase-content {
    width: 49%;
}
.usecase-content ul {
    margin-left: 2rem;
    list-style: disc;
}
.usecase-image {
    width: 49%;
}
.whitebox2 {
    padding: 0 2rem;
}
.point-list {
    margin-left: 2rem;
}
.point-list li {
    list-style-position: outside;
    list-style-type: disc;
}
.contents {
    background-color: #fff;
}

@media screen and (max-width: 768px) {

    .d-flex {
        justify-content: flex-start;
    }
}

@media screen and (max-width: 425px) {
    .print-size-section {
        flex-direction: column;
        row-gap: 1rem;
    }
    .print-size-section li {
        width: 100%;
    }

    .whitebox2 {
        padding: 0;
    }
    .usecase-detaile {
        flex-direction: column;
        row-gap: 1.5rem;
    }
    .usecase-content,
    .usecase-image {
        width: 100%;
    }
    .bag-color-section li {
        width: 100%;
    }
}