/* =============== TGM Wood Factory ナビゲーション統合CSS =============== */
/* 4つのナビゲーション関連ファイルを統合：nav-fix.css, nav-external.css, submenu.css, submenu-navigation.css */

/* =============== 基本ナビゲーション設定 (nav-fix.css) =============== */

/* 基本的なヘッダー調整 */
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100% !important;
    width: 100% !important;
    padding: 0 0.5rem;
    box-sizing: border-box;
}

.logo {
    position: relative;
    z-index: 10;
    flex: 0 0 auto;
    margin-right: 0.5rem;
    max-width: 80px;
}

.nav {
    position: relative;
    z-index: 20;
    flex: 1 1 auto;
    min-width: 0;
}

.nav-list {
    display: flex;
    justify-content: flex-end;
    flex-wrap: nowrap;
    align-items: center;
    margin: 0;
    padding: 0;
    width: 100%;
    overflow: visible;
}

.nav-item {
    white-space: nowrap;
    flex: 0 0 auto;
    position: relative; /* サブメニュー用に追加 */
}

/* 大画面（1400px以上） */
@media screen and (min-width: 1400px) {
    .header .container {
        max-width: 100%;
        padding: 0 2rem;
    }

    .nav-item {
        margin: 0 0.8rem;
    }

    .nav-link {
        font-size: 1rem;
        padding: 0.5rem 0.5rem;
    }

    .logo-img {
        height: 60px;
    }
}

/* ピンポイント調整（1200px） */
@media screen and (min-width: 1200px) and (max-width: 1250px) {
    .header .container {
        max-width: 100%;
        padding: 0 0.3rem;
    }

    .logo {
        max-width: 55px;
        margin-right: 0.3rem;
    }

    .logo-img {
        height: 42px;
    }

    .nav-item {
        margin: 0 0.1rem;
    }

    .nav-link {
        font-size: 0.7rem;
        padding: 0.25rem 0.1rem;
    }

    .nav-en {
        font-size: 0.65rem;
    }

    .nav-jp {
        font-size: 0.6rem;
    }

    .contact-btn {
        padding: 0.25rem 0.4rem;
        font-size: 0.65rem;
    }

    .external-btn {
        padding: 0.25rem 0.4rem;
        font-size: 0.65rem;
    }
}

/* 中大画面（1251px-1399px） */
@media screen and (min-width: 1251px) and (max-width: 1399px) {
    .header .container {
        max-width: 100%;
        padding: 0 0.5rem;
    }

    .logo {
        max-width: 65px;
        margin-right: 0.5rem;
    }

    .logo-img {
        height: 48px;
    }

    .nav-item {
        margin: 0 0.2rem;
    }

    .nav-link {
        font-size: 0.8rem;
        padding: 0.35rem 0.2rem;
    }

    .nav-en {
        font-size: 0.75rem;
    }

    .nav-jp {
        font-size: 0.7rem;
    }

    .contact-btn {
        padding: 0.35rem 0.6rem;
        font-size: 0.75rem;
    }

    .external-btn {
        padding: 0.35rem 0.6rem;
        font-size: 0.75rem;
    }
}

/* 中画面上部（1025px-1199px） */
@media screen and (min-width: 1025px) and (max-width: 1199px) {
    .header .container {
        padding: 0 0.3rem;
        max-width: 100%;
    }

    .logo {
        max-width: 50px;
        margin-right: 0.25rem;
    }

    .logo-img {
        height: 40px;
    }

    .nav-item {
        margin: 0 0.08rem;
    }

    .nav-link {
        font-size: 0.68rem;
        padding: 0.25rem 0.08rem;
    }

    .nav-en {
        font-size: 0.63rem;
    }

    .nav-jp {
        font-size: 0.58rem;
    }

    .contact-btn {
        padding: 0.25rem 0.35rem;
        font-size: 0.63rem;
    }

    .external-btn {
        padding: 0.25rem 0.35rem;
        font-size: 0.63rem;
    }

    .header {
        padding: 0.4rem 0;
    }
}

/* 中画面下部（992px-1024px） - ハンバーガー直前 */
@media screen and (min-width: 992px) and (max-width: 1024px) {
    .header .container {
        padding: 0 0.3rem;
        max-width: 100%;
    }

    .logo {
        max-width: 48px;
        margin-right: 0.2rem;
    }

    .logo-img {
        height: 38px;
    }

    .nav-item {
        margin: 0 0.05rem;
    }

    .nav-link {
        font-size: 0.65rem;
        padding: 0.2rem 0.05rem;
    }

    .nav-en {
        font-size: 0.6rem;
    }

    .nav-jp {
        font-size: 0.55rem;
    }

    .contact-btn {
        padding: 0.2rem 0.3rem;
        font-size: 0.6rem;
    }

    .external-btn {
        padding: 0.2rem 0.3rem;
        font-size: 0.6rem;
    }

    .header {
        padding: 0.4rem 0;
    }
}

/* 小中画面（768px-991px） - タブレット対応 */
@media screen and (min-width: 768px) and (max-width: 991px) {
    .header .container {
        padding: 0 0.5rem;
        max-width: 100%;
    }

    .nav-item {
        margin: 0 0.15rem;
    }

    .nav-link {
        font-size: 0.7rem;
        padding: 0.4rem 0.15rem;
    }
    
    .contact-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.7rem;
    }
    
    .external-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.7rem;
    }
    
    .logo-img {
        height: 45px;
    }
    
    .header {
        padding: 0.4rem 0;
    }
}

/* フッターメニュー調整 */
.footer-links ul {
    columns: 2;
}

.footer-links ul li {
    break-inside: avoid;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

@media screen and (max-width: 768px) {
    .footer-links ul {
        columns: 1;
    }
}

/* =============== 外部リンクボタンスタイル (nav-external.css) =============== */

.nav-link.external-btn {
    background-color: #2c7ba6;
    color: #fff !important;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s ease, opacity 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link.external-btn:hover {
    background-color: #245a80;
    opacity: 0.9;
}

.nav-link.external-btn i {
    font-size: 0.8em;
}

/* =============== サブメニュー基本機能 (submenu.css) =============== */

/* サブメニューコンテナ - 背景色はstyle.cssで制御 */
.submenu {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    min-width: 220px;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    padding: 0.5rem 0;
}

/* hover状態を維持するためのブリッジエリア */
.submenu::after {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 15px;
    background: transparent;
}

/* サブメニューの三角形（吹き出しの尖った部分） */
.submenu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 20px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    /* 三角形の色はstyle.cssで制御 */
    z-index: 1001;
}

/* ホバー時にサブメニューを表示 */
.nav-item:hover .submenu,
.nav-item .submenu:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    animation: fadeInUp 0.3s ease forwards;
}

/* サブメニューアイテム */
.submenu-item {
    padding: 0;
    margin: 0;
}

.submenu-link {
    display: block;
    padding: 0.8rem 1.5rem;
    color: var(--color-text);
    font-weight: 400;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
    border-left: 3px solid transparent;
}

/* サブメニューアイテムのホバー効果 */
.submenu-link:hover {
    background-color: var(--color-light);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    padding-left: 1.8rem;
}

/* サブメニューの説明文 */
.submenu-description {
    font-size: 0.8rem;
    color: #666;
    margin-top: 2px;
    line-height: 1.3;
}

/* アイコン付きサブメニューアイテム */
.submenu-link i {
    margin-right: 8px;
    color: var(--color-primary);
    width: 16px;
    text-align: center;
}

/* セパレーター */
.submenu-separator {
    height: 1px;
    background-color: #eee;
    margin: 0.5rem 0;
}

/* 特定のサブメニュー幅調整 */
.submenu-wide {
    min-width: 280px;
}

.submenu-narrow {
    min-width: 180px;
}

/* アニメーション効果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
        padding-top: 0;
        padding-bottom: 0;
    }
    to {
        opacity: 1;
        max-height: 300px;
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }
}

/* =============== サブメニューナビゲーション分離システム (submenu-navigation.css) =============== */

/* メニューアイテムコンテナ */
.nav-item-container {
    display: flex;
    align-items: center;
    width: 100%;
    position: relative;
}

/* =============== デスクトップ表示 (600px以上) =============== */
@media (min-width: 600px) {
    .nav-item-container {
        flex-direction: row;
    }
    
    .nav-main-link {
        flex: 1;
        margin-right: 5px;
    }
    
    .submenu-toggle {
        background: none;
        border: none;
        color: var(--color-text);
        font-size: 0.8rem;
        padding: 0.25rem;
        cursor: pointer;
        transition: all 0.3s ease;
        border-radius: 3px;
    }
    
    .submenu-toggle:hover {
        background-color: rgba(155, 118, 83, 0.1);
        color: var(--color-primary);
    }
    
    .submenu-toggle i {
        transition: transform 0.3s ease;
    }
    
    .nav-item.submenu-open .submenu-toggle i {
        transform: rotate(180deg);
    }
}

/* =============== モバイル表示 (600px未満) =============== */
@media (max-width: 599px) {
    .nav-item-container {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-main-link {
        width: 100%;
        position: relative;
        padding-right: 4rem;
    }
    
    .submenu-toggle {
        position: absolute;
        right: 0.8rem;
        top: 50%;
        transform: translateY(-50%);
        background: none !important;
        border: none !important;
        color: rgba(155, 118, 83, 0.8) !important;
        font-size: 0.9rem !important;
        padding: 0.4rem !important;
        cursor: pointer;
        transition: all 0.3s ease !important;
        width: 2rem;
        height: 2rem;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 10;
    }
    
    .submenu-toggle:hover,
    .submenu-toggle:active {
        background: none !important;
        color: var(--color-primary) !important;
        transform: translateY(-50%) scale(1.1) !important;
    }
    
    .submenu-toggle i {
        transition: transform 0.3s ease;
        font-size: 0.9rem;
    }
    
    .nav-item.submenu-open .submenu-toggle {
        background: rgba(155, 118, 83, 0.1) !important;
        color: var(--color-primary) !important;
        border-radius: 4px;
    }
    
    .nav-item.submenu-open .submenu-toggle i {
        transform: rotate(180deg);
    }
    
    /* サブメニューが閉じられた時の確実なリセット */
    .nav-item:not(.submenu-open) .submenu-toggle {
        background: none !important;
        color: var(--color-text) !important;
        outline: none !important;
    }
    
    .nav-item:not(.submenu-open) .submenu-toggle i {
        transform: rotate(0deg);
    }
    
    /* サブメニュー内の親項目リンクのスタイル */
    .submenu-parent-link {
        background: linear-gradient(135deg, 
            rgba(155, 118, 83, 0.15), 
            rgba(155, 118, 83, 0.05)) !important;
        border: 2px solid var(--color-primary) !important;
        color: var(--color-primary) !important;
        font-weight: 600 !important;
    }
    
    .submenu-parent-link:hover {
        background: linear-gradient(135deg, 
            rgba(155, 118, 83, 0.25), 
            rgba(155, 118, 83, 0.15)) !important;
        border-color: var(--color-dark) !important;
        color: var(--color-dark) !important;
        transform: translateY(-1px) !important;
        box-shadow: 0 3px 8px rgba(155, 118, 83, 0.3) !important;
    }
    
    .submenu-parent-link .fas.fa-info-circle {
        color: var(--color-primary) !important;
        font-size: 1rem !important;
    }
    
    /* 外部リンクボタンのモバイル対応 */
    .nav-link.external-btn {
        width: 100%;
        justify-content: center;
        margin-top: 0.5rem;
    }
}

/* =============== モバイルサブメニュー表示 (768px未満) =============== */
@media (max-width: 768px) {
    /* モバイルメニューでのサブメニュー表示調整 */
    .nav-item.has-submenu > .nav-link::after {
        float: right;
        margin-left: auto;
        margin-right: 0;
    }
    
    .submenu {
        position: static !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        box-shadow: none;
        /* 背景色はstyle.cssで制御 */
        border-radius: 0;
        margin-top: 0.3rem;
        margin-bottom: 0.3rem;
        border-left: 4px solid var(--color-primary);
        padding: 0.5rem 0 !important;
        display: none;
        animation: slideDown 0.3s ease;
        width: 100% !important;
        min-width: auto !important;
        max-height: none;
        z-index: 1000 !important; /* z-indexを明示的に設定 */
    }
    
    /* PRICINGメニューの特別調整 */
    .nav-list .nav-item:nth-child(4).has-submenu .submenu {
        max-height: 75vh !important;
        overflow-y: auto !important;
        border: 2px solid var(--color-primary) !important;
        background: linear-gradient(to bottom, 
            rgba(155, 118, 83, 0.2), 
            rgba(155, 118, 83, 0.1)) !important;
        border-radius: 6px !important;
        padding: 0.2rem 0 !important;
    }
    
    .submenu::before {
        display: none;
    }
    
    .nav-item.submenu-open .submenu {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* サブメニューが閉じられた時の確実な非表示 */
    .nav-item:not(.submenu-open) .submenu {
        display: none !important;
    }
    
    .submenu-item {
        width: 100%;
        margin: 2px 0 !important;
    }
    
    .submenu-link {
        display: block !important;
        padding: 0.6rem 0.8rem 0.6rem 2rem !important;
        font-size: 0.9rem !important;
        color: #2c1810 !important;
        background-color: rgba(255, 255, 255, 0.9) !important;
        margin: 2px 6px !important;
        border-radius: 4px !important;
        border-left: 3px solid transparent !important;
        font-weight: 500 !important;
        text-decoration: none !important;
        transition: all 0.2s ease !important;
        white-space: normal !important;
        line-height: 1.3 !important;
    }
    
    /* PRICINGメニューのリンクをよりコンパクトに */
    .nav-list .nav-item:nth-child(4).has-submenu .submenu-link {
        padding: 0.45rem 0.6rem 0.45rem 1.6rem !important;
        font-size: 0.85rem !important;
        margin: 1px 4px !important;
        line-height: 1.2 !important;
    }
    
    .submenu-link:hover,
    .submenu-link:active,
    .submenu-link:focus {
        padding-left: 2.2rem !important;
        background-color: var(--color-white) !important;
        color: var(--color-primary) !important;
        border-left-color: var(--color-primary) !important;
    }
    
    /* PRICINGメニューのホバー調整 */
    .nav-list .nav-item:nth-child(4).has-submenu .submenu-link:hover {
        padding-left: 1.8rem !important;
    }
    
    /* サブメニューテキストの視認性向上 */
    .submenu-text {
        color: #2c1810 !important;
        font-weight: 500 !important;
        display: block !important;
    }
    
    /* モバイルでの英語・日本語改行制御 */
    .submenu-text .nav-en {
        display: block !important;
        line-height: 1.2 !important;
    }
    
    .submenu-text .nav-jp {
        display: block !important;
        line-height: 1.2 !important;
        margin-top: 2px !important;
    }
    
    /* サブメニューの説明文 */
    .submenu-description {
        color: #5a453a !important;
        font-size: 0.75rem !important;
        margin-top: 2px !important;
        display: block !important;
        line-height: 1.2 !important;
    }
    
    /* アイコンの調整 */
    .submenu-link i {
        color: var(--color-primary) !important;
        margin-right: 6px !important;
        width: 14px !important;
        text-align: center !important;
        font-size: 0.9rem !important;
    }
    
    /* PRICINGメニューのアイコン調整 */
    .nav-list .nav-item:nth-child(4).has-submenu .submenu-link i {
        margin-right: 4px !important;
        width: 12px !important;
        font-size: 0.8rem !important;
    }
    
    /* スクロールバーのスタイル */
    .submenu::-webkit-scrollbar {
        width: 4px;
    }
    
    .submenu::-webkit-scrollbar-track {
        background: rgba(155, 118, 83, 0.1);
        border-radius: 2px;
    }
    
    .submenu::-webkit-scrollbar-thumb {
        background: var(--color-primary);
        border-radius: 2px;
    }
    
    .submenu::-webkit-scrollbar-thumb:hover {
        background: var(--color-dark);
    }
}

/* =============== アクセシビリティ・ユーザビリティ対応 =============== */

/* フォーカス状態のスタイル */
.submenu-toggle:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.submenu-parent-link:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* アニメーション削減設定対応 */
@media (prefers-reduced-motion: reduce) {
    .submenu,
    .submenu-toggle,
    .submenu-toggle i,
    .submenu-parent-link,
    .submenu-link {
        transition: none !important;
        animation: none !important;
    }
}

/* 高コントラストモード対応 */
@media (prefers-contrast: high) {
    .submenu-toggle {
        border: 2px solid currentColor !important;
    }
    
    .submenu-parent-link {
        border: 3px solid currentColor !important;
    }
    
    .submenu {
        border: 2px solid currentColor;
    }
}

/* =============== ヘッダーSNSアイコン =============== */

/* 配送バナー全体のレイアウト - Flexboxで実装 */
.shipping-banner-content,
body .shipping-banner .container .shipping-banner-content {
    display: flex !important;
    align-items: center;
    justify-content: flex-end;
    position: relative;
    gap: 15px;
}

/* 左側・右側空白スペーサーブロック */
.spacer-block-left.desktop-only {
    display: block; /* デスクトップで表示 */
    flex: 1; /* 左側のスペースを確保してSNSアイコンを右に押し出す */
    min-width: 0; /* flexアイテムの最小幅を0に */
}

.spacer-block-right {
    display: none;
}

/* 配送情報ブロック（画面全体の中央に絶対配置） */
.shipping-info-block,
body .shipping-banner .container .shipping-banner-content .shipping-info-block {
    position: absolute;
    left: 50%;
    transform: translateX(-50%); /* ど真ん中に配置 */
    z-index: 1; /* SNSアイコンより下に配置 */
}

.shipping-info,
body .shipping-banner .container .shipping-banner-content .shipping-info-block .shipping-info {
    white-space: nowrap;
}

/* SNSアイコンブロック（右側） - デスクトップのみ */
@media (min-width: 769px) {
    .sns-block,
    body .shipping-banner .container .shipping-banner-content .sns-block {
        display: flex;
        position: relative;
        z-index: 2; /* 配送情報テキストより上に表示 */
    }

    .header-sns {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .sns-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
}

/* ユーザーブロック（右側） */
.user-block,
body .shipping-banner .container .shipping-banner-content .user-block {
    display: flex;
    position: relative;
    z-index: 2; /* 配送情報テキストより上に表示 */
}

.user-info,
.user-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.user-link:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.user-link i {
    font-size: 1.2rem;
}

.user-name {
    white-space: nowrap;
}

.login-link,
.register-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: white;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
    font-size: 0.85rem;
    white-space: nowrap;
}

.login-link:hover,
.register-link:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.login-link i,
.register-link i {
    font-size: 0.9rem;
}

/* カートブロック（右端） */
.cart-block,
body .shipping-banner .container .shipping-banner-content .cart-block {
    display: flex;
    position: relative;
    z-index: 2; /* 配送情報テキストより上に表示 */
}

.shipping-cart {
    /* 既存のスタイルを維持 */
}

/* デスクトップ用SNSアイコンのスタイル */
@media (min-width: 769px) {
    .header-sns.desktop-only {
        display: flex;
    }
}

.sns-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.sns-icon:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.line-icon {
    background-color: #00C300;
}

.line-icon:hover {
    background-color: #00A300;
}

.instagram-icon {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.instagram-icon:hover {
    background: linear-gradient(45deg, #e08423 0%, #d6582c 25%, #cc1733 50%, #bc1356 75%, #ac0878 100%);
}

.tiktok-icon {
    background-color: #000;
}

.tiktok-icon:hover {
    background-color: #333;
}

/* モバイル用SNSセクション */
.mobile-sns-item {
    display: none;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.mobile-sns-container {
    text-align: center;
    padding: 0 20px;
}

.mobile-sns-label {
    font-size: 0.9rem;
    color: var(--color-text);
    margin-bottom: 15px;
    font-weight: 500;
}

.mobile-sns-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.mobile-sns-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--color-text);
    transition: all 0.3s ease;
    padding: 10px;
    border-radius: 8px;
    min-width: 60px;
}

.mobile-sns-icon:hover {
    background-color: #f5f5f5;
    transform: translateY(-2px);
}

.mobile-sns-icon i {
    font-size: 24px;
    color: white;
    background-color: #666;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.mobile-sns-icon.line-icon i {
    background-color: #00C300;
}

.mobile-sns-icon.instagram-icon i {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.mobile-sns-icon.tiktok-icon i {
    background-color: #000;
}

.mobile-sns-icon span {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text);
}

/* モバイルヘッダー用SNSアイコン（配送バナー内） */
.mobile-sns-block {
    display: none; /* デスクトップでは非表示 */
}

.mobile-header-sns {
    display: flex;
    align-items: center;
    gap: 6px;
}

.mobile-header-sns .mobile-sns-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0;
    min-width: auto;
    flex-direction: row;
}

.mobile-header-sns .mobile-sns-icon i {
    font-size: 14px;
    width: auto;
    height: auto;
    border-radius: 0;
    background: transparent;
}

.mobile-header-sns .mobile-sns-icon.line-icon {
    background-color: #00C300;
}

.mobile-header-sns .mobile-sns-icon.instagram-icon {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.mobile-header-sns .mobile-sns-icon.tiktok-icon {
    background-color: #000;
}

.mobile-header-sns .mobile-sns-icon:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 小型ノートPC・タブレット向け調整（769px-1024px） */
@media screen and (min-width: 769px) and (max-width: 1024px) {
    /* ナビゲーションメニューの調整 */
    .nav-item {
        margin: 0 0.4rem;
    }

    .nav-link {
        font-size: 0.7rem;
        padding: 0.4rem 0.6rem;
    }

    .nav-en {
        font-size: 0.75rem;
    }

    .nav-jp {
        font-size: 0.65rem;
    }

    .nav-link.external-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.7rem;
    }

    .submenu-link {
        padding: 0.6rem 0.8rem;
        font-size: 0.75rem;
    }

    .submenu-text .nav-en {
        font-size: 0.7rem;
    }

    .submenu-text .nav-jp {
        font-size: 0.65rem;
    }

    /* 配送バナーの調整 */
    body .shipping-banner .container .shipping-banner-content {
        gap: 10px;
    }

    body .shipping-banner .container .shipping-banner-content .shipping-info-block .shipping-info {
        font-size: 0.75rem;
    }

    body .shipping-banner .container .shipping-banner-content .shipping-info-block .shipping-info i {
        font-size: 0.9rem;
    }

    /* SNSアイコンを縮小 */
    .header-sns {
        gap: 6px;
    }

    .sns-icon {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }

    /* ユーザーブロックを縮小 */
    .user-link,
    .login-link {
        font-size: 0.75rem;
        padding: 5px 10px;
    }

    .user-link i,
    .login-link i {
        font-size: 1rem;
    }

    .user-name {
        display: none; /* ユーザー名を非表示にしてアイコンのみ */
    }

    .login-text {
        display: none; /* テキストを非表示にしてアイコンのみ */
    }
}

/* 中型画面での配送バナー調整（900px-1024px） */
@media screen and (min-width: 900px) and (max-width: 1024px) {
    body .shipping-banner .container .shipping-banner-content .shipping-info-block .shipping-info {
        font-size: 0.8rem;
    }
}

/* 小型画面での配送バナー調整（769px-900px） */
@media screen and (min-width: 769px) and (max-width: 900px) {
    body .shipping-banner .container .shipping-banner-content .shipping-info-block .shipping-info {
        font-size: 0.7rem;
    }

    body .shipping-banner .container .shipping-banner-content .shipping-info-block .shipping-info span {
        display: inline-block;
        max-width: 250px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* SNSアイコンをさらに縮小 */
    .sns-icon {
        width: 26px;
        height: 26px;
        font-size: 13px;
    }
}

/* レスポンシブ設定 - ハンバーガーメニュー（1024px以下） */
@media (max-width: 1024px) {
    /* ナビゲーションメニューをハンバーガーメニューに切り替え */
    .nav {
        display: none;
    }

    .menu-toggle {
        display: flex !important;
    }

    .nav.active {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 120px;
        z-index: 9998;
        overflow-y: auto;
    }

    .nav.active .nav-list {
        flex-direction: column;
        width: 100%;
        max-width: 500px;
        padding: 20px;
    }

    .nav.active .nav-item {
        width: 100%;
        margin: 0.5rem 0;
        border-bottom: 1px solid #eee;
    }

    .nav.active .nav-link {
        display: block;
        width: 100%;
        padding: 1rem;
        font-size: 1.1rem;
        text-align: left;
    }

    /* 配送バナーの調整 */
    body .shipping-banner .container .shipping-banner-content {
        gap: 8px;
    }

    /* 配送情報を左寄せに変更（モバイル向け） */
    body .shipping-banner .container .shipping-banner-content .shipping-info-block {
        position: static;
        transform: none;
        flex: 1;
        min-width: 0;
    }

    body .shipping-banner .container .shipping-banner-content .shipping-info-block .shipping-info {
        font-size: 0.65rem;
        white-space: normal;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }

    /* デスクトップ版SNS、スペーサーを非表示 */
    body .shipping-banner .container .shipping-banner-content .sns-block.desktop-only,
    body .shipping-banner .container .shipping-banner-content .spacer-block-left.desktop-only,
    body .shipping-banner .container .shipping-banner-content .spacer-block-right.desktop-only {
        display: none;
    }

    /* モバイル版SNSを非表示（別の場所に配置するため） */
    .mobile-sns-item {
        display: none;
    }

    /* モバイルでのユーザーブロック調整 */
    .user-block {
        display: flex;
        align-items: center;
    }

    .user-actions {
        gap: 0;
    }

    .login-link,
    .register-link {
        padding: 4px 6px;
        font-size: 0.7rem;
        min-width: auto;
        background: transparent;
    }

    /* モバイルでテキストを非表示にしてアイコンのみ表示 */
    .login-text,
    .register-text,
    .user-name {
        display: none;
    }

    .login-link i,
    .register-link i {
        font-size: 1rem;
        margin: 0;
    }

    .user-link {
        padding: 4px 6px;
        font-size: 0.7rem;
        background: transparent;
    }

    .user-link i {
        font-size: 1.1rem;
    }
    
    /* モバイルメニューの背景修正（黒背景＋白文字）- より強力な指定 */
    .header .nav {
        background: rgba(0, 0, 0, 0.9) !important;
        backdrop-filter: blur(10px) !important;
        border-radius: 0 0 20px 20px !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4) !important;
    }
    
    .header .nav.active {
        background: rgba(0, 0, 0, 0.95) !important;
    }
    
    .header .nav-list {
        background: transparent !important;
        padding: 20px;
    }
    
    /* モバイルメニューのリンクを白文字に */
    .nav-link {
        color: white !important;
    }
    
    .nav-link:hover {
        color: #f0f0f0 !important;
    }
    
    /* サブメニューも白文字に */
    .submenu {
        background: rgba(0, 0, 0, 0.95);
    }
    
    .submenu-link {
        color: white !important;
    }
    
    .submenu-link:hover {
        color: #f0f0f0 !important;
        background: rgba(255, 255, 255, 0.1);
    }
    
    /* ハンバーガーメニューボタンの確実なクリック処理 */
    .menu-toggle {
        position: relative !important;
        z-index: 9999 !important;
        pointer-events: auto !important;
        cursor: pointer !important;
    }
    
    .menu-toggle .bar {
        pointer-events: none !important;
    }
    
    /* モバイルでの配送バナー調整 - core-enhancements.cssで管理 */

    /* モバイル版SNSアイコンを表示 */
    .mobile-sns-block.mobile-only {
        display: flex;
    }

    .mobile-header-sns {
        display: flex;
        gap: 4px;
    }

    .mobile-header-sns .mobile-sns-icon {
        width: 24px;
        height: 24px;
    }

    .mobile-header-sns .mobile-sns-icon i {
        font-size: 12px;
    }

    .user-block {
        display: flex;
    }

    .cart-block {
        display: flex;
    }
}

/* デスクトップサイズでの調整 */
@media (min-width: 769px) {
    body .shipping-banner .container .shipping-banner-content {
        gap: 15px;
    }

    body .shipping-banner .container .shipping-banner-content .shipping-info {
        font-size: 1rem;
    }
}

/* 中間サイズでの調整 */
@media (max-width: 1024px) and (min-width: 769px) {
    .shipping-banner-content {
        gap: 12px;
    }
}