/* --- Global Styles --- */
body {
    margin: 0;
    padding: 0;
    font-family: "hiragino-kaku-gothic-pron", sans-serif !important;
    color: #555;
    line-height: 1.6;
    background: #fafafa;
}

/* .Breadcrumb */
.Breadcrumb {
    padding: 1em;
}

.Breadcrumb-ListGroup {
    display: flex;
}

.Breadcrumb-ListGroup-Item-Link[href]:hover {
    opacity: 0.5;
}

.Breadcrumb-ListGroup>*+* {
    margin-left: 0.5em;
}

.Breadcrumb-ListGroup>*+*::before {
    content: ">";
    margin-left: 0.5em;
    margin-right: 0.5em;
}

/*--- アニメーション ---*/
/* fade in */
.fade-in {
    opacity: 0;
    transition: opacity 1s ease-out;
}

.fade-in.scroll-in {
    opacity: 1;
}

/*. fade in up  */
.fade-in-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 1s ease, transform 1s ease;
}

.fade-in-up.scroll-in {
    opacity: 1;
    transform: translateY(0);
}

/* load animation（ページ表示時） */
.fade-in-onload {
    opacity: 0;
    transition: opacity 1s ease-out;
}

.fade-in-onload.is-loaded {
    opacity: 1;
}


.title-serif {
    font-family: "Times New Roman", Times, serif !important;
    font-weight: normal;
    text-align: center;
    font-size: 40px;
    margin: 60px 0;
    position: relative;
    letter-spacing: 0.05em;
}

.title-serif::before,
.title-serif::after {
    content: "";
    display: inline-block;
    width: 100px;
    height: 1px;
    background: #ccc;
    vertical-align: middle;
    margin: 0 25px;
}

/* --- Main Visual  --- */
.main-visual {
    width: 80%;
    max-width: 1000px;
    margin: 0 auto;
    /* overflow: hidden; */
}

.main-visual img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

/* --- Intro --- */
.intro {
    text-align: center;
    padding: 80px 20px;
    font-size: 14px;
    letter-spacing: 0.1em;
    line-height: 1.8;
}

.color-list-title {
    margin-top: 40px;
}

/* --- Product Items (Mint, Silver, Black) --- */
.product-item {
    position: relative;
    padding: 80px 0;
    margin-bottom: 50px;
}

.product-bg {
    position: absolute;
    top: 170px;
    left: 0;
    width: 100%;
    height: 600px;
    z-index: 1;
}

.mint .product-bg {
    background-color: #e5f8e9;
}

.silver .product-bg {
    background-color: #eee;
}

.black .product-bg {
    background-color: #939393;
}

.black .product--text {
    color: #fff;
}

.black .section-num {
    color: #555;
}

.product-layout {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding: 0 5%;
}


.product-item.reverse .product-layout {
    flex-direction: row-reverse;
}

.product--text {
    width: 45%;
}

.product-visual {
    width: 45%;
}

.section-num {
    font-family: "Times New Roman", Times, serif;
    font-size: 48px;
    font-weight: normal;
    margin-bottom: 40px;
    vertical-align: bottom;
    letter-spacing: 0.03em;
}

.section-num span {
    font-size: 18px;
}

.product-meta {
    list-style: square;
    padding: 0;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 20px;
    padding-left: 15px;
}

.product-meta li {
    margin-bottom: 8px;
    display: list-item; 
    list-style: square;
}

.desc {
    font-size: 13px;
    margin-bottom: 40px;
}

.sub-img-wrap {
    background: #fff;
    padding: 12px;
}

.sub-img-wrap img,
.product-visual img {
    width: 100%;
    display: block;
}

.btn-buy {
    display: block;
    width: 250px;
    margin: 50px auto 0;
    padding: 15px;
    border: 1px solid currentColor;
    text-align: center;
    text-decoration: none;
    color: inherit;
    font-size: 14px;
    letter-spacing: 0.05em;
}

.black .btn-buy {
    color: #fff;
    border: 1px solid currentColor;
}

/* --- Detail Section --- */
.detail-list {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 5%;
}

.detail-row {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    /* padding: 0 20px; */
}

.detail-row:last-child {
    margin-bottom: 50px;
}


.detail-img {
    width: 40%;
}

.detail-img img {
    width: 100%;
}

.detail-info {
    width: 60%;
    padding-left: 40px;
}

.detail-info h3 {
    font-family: "Times New Roman", Times, serif;
    font-style: italic;
    color: #b5a16b;
    font-size: 32px;
    font-weight: 500;
    margin-bottom: 10px;
}

.detail-info p {
    font-size: 13px;
    line-height: 1.8;
}

/* --- Lineup Section --- */
.lineup-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.lineup-grid .item {
    width: 220px;
    text-align: center;
}

.lineup-grid .item img {
    width: 100%;
    margin-bottom: 15px;
}

.lineup-grid .name {
    font-size: 12px;
    margin-bottom: 10px;
}

.lineup-grid .price {
    font-size: 14px;
    margin-bottom: 15px;
    font-weight: 600;
}

.btn-store {
    display: inline-block;
    padding: 8px 30px;
    /* border: 1px solid #888; */
    background-color: #ccc;
    text-decoration: none;
    color: #333;
    font-size: 12px;
    letter-spacing: 0.05em;
}

/* --- Footer Buttons --- */
.footer-btns {
    text-align: center;
    padding: 100px 0;
}

.footer-btns a {
    display: block;
    width: 280px;
    margin: 10px auto;
    padding: 15px;
    border: 1px solid #333;
    text-decoration: none;
    color: #333;
    font-size: 13px;
}

.sp_none {
    display: inline-block;
}

.pc_none {
    display: none;
}

.topics__btn-wrap {
    text-align: center;
    margin-top: 20px;
}

.topics__btn {
    display: inline-block;
    padding: 12px 30px;
    color: #333;
    border: solid 1px #333;
    text-decoration: none;
    font-size: 13px;
    transition: opacity 0.3s ease;
}

.topics__btn:hover {
    opacity: 0.8;
} 


/* --- Responsive --- */
@media (max-width: 768px) {

    .title-serif {
        margin: 50px 0;
    }

    .main-visual {
        width: 100%;
    }

    .intro {
        padding: 60px 20px;
    }

    .product-item {
        padding: 60px 0;
        margin-bottom: 30px;
    }

    .product-layout,
    .product-item.reverse .product-layout,
    .detail-row {
        /* flex-direction: row !important; */
        align-items: flex-start;
        flex-wrap: nowrap;
    }

    .product-bg {
        display: block !important;
        height: 460px;
        top: 130px;
    }

    .product--text,
    .product-visual {
        width: 48%;
        /* 左右の比率を維持 */
    }

    .detail-info {
        /* width: 70%; */
        padding-left: 30px;
    }

    .section-num {
        font-size: 38px;
        margin-bottom: 35px;
    }

    .section-num span {
        font-size: 15px;
    }

    .desc {
        font-size: 12px;
        margin-bottom: 35px;
    }


    .product-meta {
        font-size: 14px;
    }

    .product-container,
    .product-layout,
    .detail-list {
        padding: 0 15px;
        overflow-x: hidden;
    }

    .lineup-grid {
        gap: 35px;
        padding: 0 15px;
    }


    .lineup-grid .item {
        width: 180px;
    }

    .btn-buy {
        width: 100%;
        max-width: 180px;
        font-size: 12px;
        margin-top: 40px;
    }

    .sp_none {
        display: none;
    }

    .pc_none {
        display: inline-block;
    }

}

@media (max-width: 480px) {

    .title-serif {
        margin: 45px 0;
        font-size: 34px;
    }

    .title-serif::before,
    .title-serif::after {
        width: 70px;
        height: 1px;
        background: #ccc;
        vertical-align: middle;
        margin: 0 20px;
    }

    .intro {
        font-size: 13px;
    }

    .product-item {
        padding: 45px 0;
    }

    .product-bg {
        height: 350px;
        top: 100px;
    }

    .product--text,
    .product-visual {
        width: 48%;
        /* 左右の比率を維持 */
    }

    .detail-info {
        padding-left: 25px;
    }

    .detail-info h3 {
        font-size: 26px;
        margin-bottom: 8px;
    }

    .detail-info p {
        font-size: 12px;
    }

    .section-num {
        font-size: 34px;
        margin-bottom: 30px;
    }

    .section-num span {
        font-size: 12px;
    }

    .desc {
        font-size: 11px;
        margin-bottom: 30px;
    }

    .sub-img-wrap {
        padding: 10px;
    }

    .product-meta {
        font-size: 12px;
    }

    .product-container,
    .product-layout,
    .detail-list {
        padding: 0 12px;
    }

    .lineup-grid {
        gap: 25px;
        padding: 0 12px;
    }

    .lineup-grid .item {
        width: 160px;
    }

    .lineup-grid .item img {
        width: 100%;
        margin-bottom: 15px;
    }

    .lineup-grid .name {
        font-size: 11px;
        margin-bottom: 8px;
    }

    .lineup-grid .price {
        font-size: 13px;
        margin-bottom: 10px;
    }

    .btn-buy {
        max-width: 150px;
        padding: 12px;
    }

}