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

.size {
    column-gap: 2%;
    row-gap: 1.25rem;
}

.col3 .sizebox_njs {
    background: #f3f3f3;
    font-family: Noto Sans JP, Meiryo, arial, clean, verdana, "Hiragino Kaku Gothic Pro", "ＭＳ Ｐゴシック", Osaka, sans-serif;
    box-sizing: border-box;
    border: none;
    margin: 0;
    width: 32%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-radius: 5px;
    box-shadow: 0 2px 6px #ccc;
}

.sizebox_njs h3 {
    font-size: 1.25rem;
}

.item-name {
    font-size: 130%;
    font-weight: 700;
    /* min-height: 3em; */
}

.sizebox_njs .item-spec-price {
    font-size: 180%;
    font-weight: 700;
    padding-left: 0.25rem;
    padding-right: 0.25rem
}

.size .sizebox_njs ul .image-area {
    display: flex;
    width: 100%;
    aspect-ratio: 6 / 4;
    justify-content: center;
    padding: 0;
    border: none;
    background: none;
}

.sizebox_njs ul .image-area a {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.image-area,
.image-area a {
    border-radius: 5px 5px 0 0;
}

.item-spec-contet {
    min-height: 2.5rem;
}

.image-area img {
    object-fit: cover;
    object-position: center;
}

.price-button-area {
    padding: 0 1.5rem 1.5rem;
}
.btn-gold {
    display: block;
    background-color: #c2a35d;
    color: #fff;
    padding: 1rem;
    text-align: center;
    justify-content: center;
    border-radius: 3px;
}
.btn-sky {
    display: block;
    background-color: #068bf1;
    color: #fff;
    padding: 1rem;
    text-align: center;
    justify-content: center;
    border-radius: 3px;
}

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

.size .sizebox_njs .content-area {
    width: 100%;
    padding: 1.5rem;
    border: none;
}

.sizebox_njs .content-area dl {
    margin-top: 0.5rem;
}

.size-button-area {
    padding: 0 1.5rem 1.0rem;
}

.size-button-innner {
    display: flex;
    margin-bottom: 0.5rem;
    gap: 2%;
}

.size-button-area a {
    color: #333;
    font-size: 0.8rem;
    height: 2rem;
    border: 1px solid #999;
    background-color: #fff;
    justify-content: center;
    border-radius: 3px;
    align-items: center;
    display: flex;
}

.df-col2 a {
    width: 49%;
}

.df-col4 a {
    width: 23%;
}

.col2 ul li:nth-child(3n+1) {
    margin: 0;
}

.product-usage {
    box-sizing: border-box;
    width: 100%;
    display: flex;
    gap: 2%;
    flex-wrap: wrap;
}

.product-usage li {
    width: 32%;
    background-color: #f9f9f9;
    margin-bottom: 2%;
}

.product-usage-inner {
    padding: 1rem;
}

.product-usage-inner h4 {
    font-size: 1rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.product-usage .product-usage-inner p {
    margin: 0;
}

.product-image {
    box-sizing: border-box;
    width: 100%;
    display: flex;
    gap: 2%;
    flex-wrap: wrap;
}

.product-image li {
    width: 32%;
    margin-bottom: 3%;
}

.product-image li img {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: 0.5rem;
}

.br-sp {
    display: none;
}

.retouch-area {
    display: flex;
    gap: 4%;
    flex-wrap: wrap;
}

.retouch-area li {
    width: 48%;
}

.retouch-area li p {
    text-align: center;
    margin: 0.5rem;
}

.tbl2 td {
    text-align: left;
}

.caution-area {
    background: rgb(249, 249, 249);
    padding: 1rem 1rem;
    text-align: left;
    margin-bottom: 2rem;
}

.point-list {
    margin-left: 1.5rem;
}

.point-list li {
    list-style-position: outside;
    list-style-type: disc;
}

.qa-toggle {
    width: 100%;
    margin-bottom: 0.5em;
}

.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 .qa-content: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 .qa-content {
    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] .qa-content {
    transform: none;
    opacity: 1;
}

.table-price-body td {
    text-align: center;
}

.ico_link {
    font-size: 1em;
}

.pt0 {
    padding-top: 0;
}
.fs125 {
    font-size: 1.25em;
}
.fs130 {
    font-size: 1.3em;
}
@media screen and (max-width: 1450px) {
    .w1110, .w1010 {
        width: 100%;
        margin: 0 auto;
    }
}

@media screen and (max-width: 1024px) {
    .contents {
        margin: 0 2rem;
    }

    .br-sp {
        display: inherit;
    }
}

@media screen and (max-width: 980px) {
    .breadcrumb {
        display: inherit;
        margin-bottom: 1.5rem;
    }

    .suprint {
        background-color: #fff;
        height: auto;
    }

}

@media screen and (max-width:768px) {
    .br-sp {
        display: inherit;
    }

    .col3 .size .sizebox_njs {
        width: 100%;
    }

    .product-image li {
        width: 48%;
    }
}

@media screen and (max-width: 452px) {
    .br-sp {
        display: inherit;
    }

    .product-usage li,
    .product-image li {
        width: 100%;
    }

    .retouch-area li {
        width: 100%;
    }
}








/* 左右2段組レイアウト */
.product-section {
    box-sizing: border-box;
    display: flex;
    gap: 40px;
}

.product-images {
    flex: 1;
    min-width: 0;
}

.product-details {
    flex: 1;
}

@media (max-width: 768px) {
    .product-section {
        flex-direction: column;
    }
}

/* =========================================
     CSS スワイプカルーセル (スクロールスナップ)
     ========================================= */

.carousel-viewport {
    position: relative;
    /* ボタンを重ねる基準点 */
    width: 100%;
    margin-bottom: 15px;
    border-radius: 4px;
    border: 1px solid #ddd;
    overflow: hidden;
}

/* 横スクロール・スワイプコンテナ */
.carousel-stage {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    /* スワイプでピタッと止まる */
    scroll-behavior: smooth;
    /* スムーズに動く */

    /* スクロールバーを非表示 */
    -ms-overflow-style: none;
    scrollbar-width: none;

    width: 100%;
    aspect-ratio: 1 / 1;
    background-color: #eee;
}

.carousel-stage::-webkit-scrollbar {
    display: none;
}

/* 各スライド画像 */
.slide-item {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    scroll-snap-align: start;
}

.slide-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* =========================================
     ★ 左右ボタンの常時・固定表示（クリック可能）
     ========================================= */

.static-nav-overlay {
    box-sizing: border-box;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
    /* 下の画像のスワイプを邪魔しない */

    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 15px;
}

/* 実際の矢印ボタン（ボタン部分のみクリックを有効化） */
.nav-arrow {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.75);
    color: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    border: none;
    outline: none;
    pointer-events: auto;
    /* ボタン部分だけクリック可能にする */
    transition: background-color 0.2s, transform 0.1s;
    user-select: none;
}

.nav-arrow:hover {
    background-color: rgba(255, 255, 255, 1);
}

.nav-arrow:active {
    transform: scale(0.95);
}

/* =========================================
     画像一覧（サムネイル）
     ========================================= */
.thumbnail-list {
    display: flex;
    flex-wrap: wrap;
    column-gap: 2%;
    row-gap: 0.6em;
}

.thumb-btn {
    flex: 0 0 15%;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    background: none;
    padding: 0;
    transition: border-color 0.2s;
}

.thumb-btn img {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0.6;
    transition: opacity 0.2s;
}

/* ホバーした時のエフェクト */
.thumb-btn:hover img {
    opacity: 1;
}

/* アクティブ（現在表示中）なサムネイルのスタイル */
.thumb-btn.active {
    border-color: #999;
}

.thumb-btn.active img {
    opacity: 1;
}