    /* styles.css */
    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        padding: 0;
    }

    header {
        background-color: #ffffff;
        width: 100%;
        padding: 10px 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        box-sizing: border-box;
    }

    section {
        min-height: 50vh;
        padding: 10px 10px;
        box-sizing: border-box;
    }

    .logo img {
        width: 100px;
        height: auto;
    }

    nav ul {
        list-style-type: none;
        margin: 0;
        padding: 0;
        display: flex;
    }

    nav ul li {
        margin-left: 20px;
    }

    nav ul li a {
        text-decoration: none;
        color: #333;
        font-size: 16px;
    }

    .social-icons {
        display: flex;
    }

    .social-icons a {
        margin-left: 10px;
    }

    .social-icons img {
        width: 20px;
        height: 20px;
    }

    /* ヒーロー画像のスタイル */
    .hero {
        padding: 0;
        height: 100vh;
        width: 100%;
        overflow: hidden;
        position: relative;
    }

    .hero-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
    }

    .desktop-image {
        display: block;
    }

    .mobile-image {
        display: none;
    }

    main {
        padding-top: 0px;
    }

    p {
        text-align: center;
    }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    padding: 20px;
}
.brand {
    background: #f9f9f9;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border: 1px solid #e0e0e0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    cursor: pointer; /* カーソルをポインターに変更 */
    text-decoration: none; /* リンクの下線を削除 */
    color: inherit; /* リンクの色を親要素から継承 */
}

.brand:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15); /* ホバー時のシャドウを強調 */
}

.brand-logo {
    width: 100%;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 20px;
    box-sizing: border-box;
}

.brand-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.brand:hover .brand-logo img {
    transform: scale(1.05); /* ホバー時に画像を少し拡大 */
}

.brand-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.brand-category {
    font-size: 0.9em;
    color: #888;
    margin-bottom: 5px;
}

.brand-name {
    font-size: 1.2em;
    font-weight: bold;
    margin-bottom: 10px;
}

.brand-description {
    font-size: 0.9em;
    text-align: left;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    background-color: #f9f9f9;
    margin: 0;
    padding: 10px;
    border-radius: 5px;
}

    .about-content {
        max-width: 800px;
        margin: 0 auto;
        padding: 20px;
    }

    .event-description {
        text-align: left;
    }

    .paragraph {
        margin-bottom: 1.5em;
        line-height: 1.8;
    }

    .main-title {
        font-size: 2.5em;
        margin-bottom: 30px;
        text-align: center;
    }

    .about-description {
        max-width: 800px;
        margin: 0 auto;
        padding: 20px;
        text-align: center;
        line-height: 1.8;
        font-size: 1.1em;
    }

    .about-description p {
        margin-bottom: 10px;
    }

    .details {
        max-width: 800px;
        margin: 0 auto;
        padding: 20px;
    }

    h1 {
        text-align: center;
        font-size: 1.5em;
        margin-bottom: 20px;
        padding-bottom: 10px;
    }

    .details-info dl {
        display: grid;
        grid-template-columns: 120px 1fr;
        gap: 10px 20px;
    }

    .details-info dt {
        font-weight: bold;
        text-align: right;
    }

    .details-info dd {
        margin: 0;
    }

    footer {
        background-color: #f5f5f5;
        padding: 40px 20px 20px;
        margin-top: 40px;
    }

    .footer-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 20px;
    }

    footer .logo img {
        width: 100px;
        height: auto;
    }

    footer nav ul {
        list-style-type: none;
        padding: 0;
        margin: 0;
        display: flex;
        justify-content: center;
    }

    footer nav ul li {
        margin: 0 10px;
    }

    footer nav ul li a {
        text-decoration: none;
        color: #333;
        font-size: 16px;
    }

    .footer-social {
        display: flex;
        gap: 10px;
        justify-content: flex-end;
    }

    .footer-bottom {
        text-align: center;
        margin-top: 20px;
        padding-top: 20px;
    }

.product-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.product-image {
    width: 100%;
    max-width: 800px; /* 画像の最大幅を設定 */
    margin-bottom: 0px;
    text-align: center;
}

.product-image img {
    width: 100%;
    height: 450px;
    max-height: 800px; /* 画像の最大高さを設定 */
    object-fit: contain; /* アスペクト比を維持しつつ、指定サイズに収める */
}

.product-info {
    width: 100%;
    max-width: 800px; /* 情報セクションの最大幅を設定 */
    padding: 0 20px;
}

.breadcrumb {
    padding: 10px 20px;
    background-color: #f5f5f5;
}

.breadcrumb a {
    color: #333;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.product-info h1 {
    text-align: center;
    margin-bottom: 0px; /* 日本語名との間隔を狭める */
    font-size: 2em;
}

.product-info h2 {
    text-align: center;
    margin-top: 20px; /* 上部に余白を追加 */
    margin-bottom: 15px; /* 下部に余白を追加 */
    font-size: 1.5em; /* フォントサイズを調整（必要に応じて） */
}

.product-info .paragraph {
    text-align: left; /* 商品情報は左揃えにする場合 */
}

.featured-item {
    display: block;  /* inline-blockからblockに変更 */
    width: fit-content;  /* コンテンツの幅に合わせる */
    border: 0.5px solid currentColor;
    padding: 5px 10px;
    margin: 10px auto;  /* 上下のマージンは10px、左右はautoで中央揃え */
    text-align: center;
    font-size: 0.9em;
    color: #333;
}

.product-info .official-link {
    text-decoration: none; /* 下線を削除 */
    border: 0.5px solid currentColor; /* 0.5ptの線で囲む */
    padding: 5px 10px; /* 内側の余白を追加 */
    display: inline-block; /* インラインブロック要素に変更 */
    color: inherit; /* 親要素の文字色を継承 */
    transition: background-color 0.3s, color 0.3s; /* ホバーエフェクトのためのトランジション */
}

.product-info .official-link:hover {
    background-color: #000; /* ホバー時の背景色 */
    color: #fff; /* ホバー時の文字色 */
}

.brand-name-jp {
    text-align: center;
    color: #666; /* グレーの色 */
    font-size: 0.9em; /* 小さいフォントサイズ */
    margin-top: 0;
    margin-bottom: 20px; /* 下の説明文との間隔 */
}

/* アーカイブセクションのスタイル */
/*.archive-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.archive-event-title {
    font-size: 1.3em;
    margin: 10px 0 10px;
    padding-left: 5px;
    text-align: left;
    font-weight: normal;
}

.archive-banner {
    display: block;
    width: 100%;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
    border-radius: 5px;
    box-shadow: 0 3px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    line-height: 0;
}

.archive-banner:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.banner-image-container {
    width: 100%;
    position: relative;
    overflow: hidden;
    font-size: 0;
}

.banner-image-container img {
    display: block;
    width: 100%;
    height: auto;
    margin: 0;
    vertical-align: bottom;
    transition: transform 0.5s ease;
}

.archive-banner:hover .banner-image-container img {
    transform: scale(1.05);
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.archive-banner:hover .banner-overlay {
    opacity: 1;
}

.banner-overlay span {
    color: white;
    background: rgba(0, 0, 0, 0.7);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9em;
}

/* アーカイブグリッドのスタイル */
.archive-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.archive-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.archive-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.card-image {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 60%; /* 画像の縦横比を調整 */
    overflow: hidden;
    line-height: 0;
}

.card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.archive-card:hover .card-image img {
    transform: scale(1.05);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.archive-card:hover .card-overlay {
    opacity: 1;
}

.card-overlay span {
    color: white;
    background: rgba(0, 0, 0, 0.7);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9em;
}

.card-info {
    padding: 20px;
}

.card-info p{
    text-align: left;
}

.card-title {
    margin: 0 0 10px;
    font-size: 1.3em;
    font-weight: normal;
}

.card-date, .card-venue {
    margin: 5px 0;
    font-size: 0.9em;
    color: #666;
}

/* アーカイブ詳細ページのスタイル */
.archive-detail-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center; /* コンテナ自体を中央揃え */
} */

.archive-detail-header {
    text-align: center;
}

.archive-detail-content {
    width: 100%;
    max-width: 800px;
    margin-top: 15px auto 30px;
}

.archive-detail-content h2 {
    font-size: 1.5em;
    margin: 20px 0 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}

.archive-description {
    margin-bottom: 30px;
    text-align: left; /* テキストは左揃えに明示的に指定 */
}

.archive-description p {
    margin-bottom: 15px;
    line-height: 1.6;
    text-align: left;
}

/* リスト項目のスタイル　*/
.archive-description ul {
    padding-left: 20px;
    margin: 25px 0;
    text-align: left;
}

.archive-description ul li {
    margin-bottom: 10px;
    line-height: 1.5;
    text-align: left;
}

/* スライドショーのスタイル */
.slideshow-container {
    position: relative;
    max-width: 800px;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.slides {
    display: none;
    width: 100%;
}

.slides img {
    width: 100%;
    height: auto;
    display: block;
}

/* 前後ボタン */
.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: auto;
    padding: 16px;
    color: white;
    font-weight: bold;
    font-size: 18px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
    background-color: rgba(0,0,0,0.3);
}

.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

.prev {
    left: 0;
}

.prev:hover, .next:hover {
    background-color: rgba(0,0,0,0.8);
}

/* ドットインジケーター */
.dots-container {
    position: absolute;
    bottom: 15px;
    width: 100%;
    text-align: center;
}

.dot {
    cursor: pointer;
    height: 10px;
    width: 10px;
    margin: 0 5px;
    background-color: rgba(255,255,255,0.6);
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.6s ease;
}

.active, .dot:hover {
    background-color: #ffffff;
}

/* フェードアニメーション */
.fade {
    animation-name: fade;
    animation-duration: 1.5s;
}

@keyframes fade {
    from {opacity: .4} 
    to {opacity: 1}
}

.brand-logos-container {
  margin: 40px 0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.brand-logos {
  display: flex;
  justify-content: flex-start; /* 左揃え */
  flex-wrap: wrap;
  gap: 20px 30px;
  margin-top: 20px;
}

.brand-logos-img {
  width: calc(25% - 23px); /* 4つで1行に収まるように計算 (30px × 3のギャップを考慮) */
  min-width: 160px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logos-img img {
  max-width: 90%;
  max-height: 80%;
  object-fit: contain;
}

    @media (max-width: 768px) {
        body {
            padding-top: 0; /* モバイルではbodyのpadding-topを削除 */
        }
        header {
            flex-direction: column;
            align-items: center;
            padding: 10px 0;
        } 
        .logo {
            margin-bottom: 5px;
        }
        .logo img {
            width: 50px;
            text-align: center;
            display: block;
            margin: o auto;
        }
        section {
            min-height: auto;
            padding: 40px 15px;
        }
        nav {
            width: 100%;
        }
        nav ul {
            justify-content: center;
            flex-wrap: wrap;
        }
        nav ul li {
            margin: 5px 10px;
        }
        .social-icons {
            display: none;
        }
        main {
            padding-top: 0px;
        }
        .desktop-image {
            display: none;
        }
        .mobile-image {
            display: block;
        }
        /* モバイルでのヒーローセクションの調整 */
        .hero {
            height: 100vw; /* またはお好みの高さに調整 */
        }
        /* 正方形画像(1000x1000)をモバイル画面で全体表示 */
        .mobile-image {
            width: 100%;
            height: 100%;
            object-fit: contain; /* 画像全体を表示、アスペクト比を維持 */
            object-position: center center; /* 中央に配置 */
        }
        .grid {
            grid-template-columns: 1fr; /* 1列に変更 */
        }
        .brand img {
            height: 180px; /* 高さを少し小さく */
        }
        .about-content {
            padding-top: 80px;
        }
        .details-info dl {
            grid-template-columns: 1fr;
        }
        .details-info dt {
            text-align: left;
            margin-top: 15px;
        }
        .details-info dt:first-child {
            margin-top: 0;
        }
        .footer-content {
            flex-direction: column;
            align-items: center;
        }

        footer .logo,
        footer nav {
            margin-bottom: 10px;
        }

        footer nav ul {
            flex-direction: column;
            align-items: center;
        }

        footer nav ul li {
            margin: 5px 0;
        }

        .footer-social {
            justify-content: center;
        }
        .footer-bottom p {
            font-size: 12px;
        }
        .product-image {
            max-width: 100%;
        }
        .product-image img {
            height: auto; /* モバイルでは高さを自動調整 */
            max-height: 450px; /* モバイルでの最大高さを設定 */
        }
        .product-info {
            padding: 0 10px;
        }
        .product-info .paragraph {
            max-width: 100%;
        }
        .brand-logos {
            justify-content: center;
            gap: 15px;
        }
        .brand-logos-img {
            width: calc(50% - 15px); /* モバイルでは2つで1行 */
            width: 130px;
            height: 80px;
        }
        .archive-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .card-image {
            padding-bottom: 50%; /* モバイルでは少し低めの比率 */
        }
        .card-info {
            padding: 15px;
        }
    }