/* ========================================
   CSS変数・カラーパレット
   ======================================== */
:root {
    /* カラーパレット - カードショップVISTA */
    --primary-color: #ECC431;
    /* ゴールド（ニュースハイライト等） */
    --primary-dark: #D4AD1A;
    /* 濃いゴールド */
    --primary-light: #FDF4D0;
    /* 薄い黄色 */
    --accent-blue: #2590FF;
    /* 青（カート、ボタン） */
    --accent-blue-dark: #1A7AE0;
    /* 濃い青 */
    --icon-gold: #C9A020;
    /* ナビアイコンのゴールド */
    --cream-bg: #F7F6F3;
    /* クリーム背景（ヘッダー・ナビ） */
    --text-color: #333333;
    /* メインテキスト */
    --text-light: #666666;
    /* サブテキスト */
    --text-gray: #4d4d4d;
    --bg-light: #F7F6F3;
    /* 背景（クリーム系） */
    --bg-white: #ffffff;
    /* 白背景 */
    --border-color: #e0e0e0;
    /* ボーダー色 */
    --dark-bg: #2a2a2a;
    /* ダーク背景（買取バナー等） */
    --danger-color: #dc3545;
    /* エラー・必須 */

    /* 1rem = 10px @1920px） */
    --container-width: 168rem;
    --header-height: 9.8rem;
    --nav-bar-height: 8.75rem;
}

/* ========================================
   フォーム共通スタイル
   ======================================== */
.form-group {
    margin-bottom: 3.5rem;
}

.form-group label {
    display: block;
    font-size: 2.38rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.required {
    display: inline-block;
    font-size: 1.82rem;
    font-weight: 700;
    color: #fff;
    background-color: var(--danger-color);
    padding: 0.2rem 0.84rem;
    border-radius: 0.53rem;
    margin-left: 0.7rem;
    vertical-align: middle;
}

.error-message {
    display: block;
    font-size: 1.96rem;
    color: var(--danger-color);
    margin-top: 0.7rem;
    min-height: 2.8rem;
}

.form-row {
    display: flex;
    gap: 2.8rem;
}

.form-group-half {
    flex: 1;
}

/* ========================================
   スピナーオーバーレイ（レイアウト共通）
   ======================================== */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999999;
}

.cv-spinner {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ========================================
   リセット
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    font-size: clamp(6px, 0.520833vw, 8px);
}

body {
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: 'Noto Sans JP', 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    color: var(--text-color);
    background-color: var(--cream-bg);
    font-size: 2.45rem;
    line-height: 1.6;
    letter-spacing: 0.08em;
}

a {
    text-decoration: none;
    color: var(--text-color);
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.8;
}

img {
    max-width: 100%;
    height: auto;
}

ul,
ol {
    list-style: none;
    margin: 0;
    padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
}

p {
    margin: 0;
}

/* ========================================
   ヘッダー
   ======================================== */
.header {
    background-color: var(--cream-bg);
    position: relative;
    z-index: 1000;
}

.header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 6rem 4.2rem 4.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    display: flex;
    align-items: center;
}

.header-logo a {
    font-size: 4.2rem;
    font-weight: 700;
    color: var(--text-color);
    white-space: nowrap;
    letter-spacing: 0.08em;
}

.header-logo a:hover {
    opacity: 1;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.68rem;
}

.header-cart {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 7.35rem;
    height: 7.35rem;
}

.header-cart img {
    width: 5.6rem;
    height: 5.6rem;
    object-fit: contain;
}

.cart-count {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--danger-color);
    color: white;
    border-radius: 50%;
    min-width: 3.15rem;
    height: 3.15rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: bold;
    line-height: 1;
    padding: 0 0.53rem;
}

.header-login-btn {
    display: inline-block;
    padding: 1.4rem 2.8rem;
    background-color: transparent;
    color: var(--accent-blue);
    font-size: 2.38rem;
    font-weight: 600;
    border-radius: 1.05rem;
    border: 0.26rem solid var(--accent-blue);
    white-space: nowrap;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.header-login-btn:hover {
    background-color: var(--accent-blue);
    color: #fff;
    opacity: 1;
}

/* ========================================
   ナビゲーションバー
   ======================================== */
.nav-bar {
    background-color: var(--cream-bg);
    padding: 0.5rem 0 4.2rem;
    position: relative;
    z-index: 100;
}

.nav-bar-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 4.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2.8rem;
}

.nav-bar-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.1rem;
    flex: 1;
    padding: 2.8rem 2.1rem;
    color: var(--text-color);
    font-size: 2.38rem;
    font-weight: 700;
    border-radius: 1.05rem;
    background-color: var(--bg-white);
    transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
}

.nav-bar-item:hover {
    background-color: #fafafa;
    box-shadow: 0 0.35rem 1.05rem rgba(0, 0, 0, 0.08);
    transform: translateY(-0.4rem);
    opacity: 1;
}

/* ドロップダウン：ラッパーごと上に動かす（隙間防止） */
.nav-bar-dropdown {
    transition: transform 0.2s ease;
}

.nav-bar-dropdown:hover {
    transform: translateY(-0.4rem);
}

.nav-bar-dropdown .nav-bar-item:hover {
    transform: none;
}

.nav-bar-item img {
    flex-shrink: 0;
    width: 5.78rem;
    height: 5.78rem;
    object-fit: contain;
}

/* ドロップダウン（シリーズで探す） */
.nav-bar-dropdown {
    position: relative;
    flex: 1;
}

.nav-bar-dropdown .nav-bar-item {
    flex: auto;
    width: 100%;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    border-radius: 0 0 1.05rem 1.05rem;
    box-shadow: 0 0.7rem 2.1rem rgba(0, 0, 0, 0.12);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    padding: 0.7rem 0;
}

.nav-bar-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-bar-dropdown:hover .nav-bar-item {
    background-color: #fafafa;
    border-radius: 1.05rem 1.05rem 0 0;
}

.nav-dropdown-link {
    display: block;
    padding: 1.6rem 2.8rem;
    font-size: 2.1rem;
    font-weight: 600;
    color: var(--text-color);
    transition: background-color 0.15s ease, color 0.15s ease;
    white-space: nowrap;
}

.nav-dropdown-link:hover {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    opacity: 1;
}

/* モバイルハンバーガー（PC非表示） */
.mobile-menu-toggle {
    display: none;
    width: 6.3rem;
    height: 6.3rem;
    border: none;
    background: none;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 0.7rem;
    padding: 1.4rem;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.mobile-menu-toggle.active {
    transform: rotate(180deg);
}

.hamburger-line {
    display: block;
    width: 3.5rem;
    height: 0.3rem;
    background-color: var(--text-color);
    border-radius: 0.15rem;
    transform-origin: center;
}

.hamburger-line:nth-child(1) {
    transition: transform 0.4s cubic-bezier(0.68, -0.6, 0.32, 1.6) 0s,
        width 0.3s ease 0s;
}

.hamburger-line:nth-child(2) {
    transition: transform 0.3s ease 0.05s,
        opacity 0.2s ease 0.05s;
}

.hamburger-line:nth-child(3) {
    transition: transform 0.4s cubic-bezier(0.68, -0.6, 0.32, 1.6) 0.1s,
        width 0.3s ease 0.1s;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(1rem) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    transform: rotate(90deg);
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-1rem) rotate(-45deg);
}

/* ========================================
   ドロワーメニュー（スマホ用）
   ======================================== */
.drawer-overlay {
    display: none;
}

.drawer-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--cream-bg);
    z-index: 999;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.drawer-menu.active {
    transform: translateX(0);
}

.drawer-header {
    display: none;
}

.drawer-title {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.drawer-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.7rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

.drawer-close:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.drawer-close svg {
    width: 3.5rem;
    height: 3.5rem;
}

.drawer-list {
    padding: 1.4rem 0;
    flex: 1;
}

.drawer-list li {
    border-bottom: 0.18rem solid var(--border-color);
}

.drawer-list a {
    display: block;
    padding: 2.8rem 4.2rem;
    color: var(--text-color);
    font-size: 2.38rem;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.drawer-list a:hover {
    background-color: var(--primary-light);
    opacity: 1;
}

.drawer-auth {
    padding: 3.5rem 4.2rem;
    border-bottom: 0.18rem solid var(--border-color);
}

.drawer-auth-note {
    margin-top: 1.4rem;
    font-size: 1.82rem;
    color: var(--text-gray);
    text-align: center;
}

.drawer-footer {
    padding: 2.8rem 3rem;
    border-top: 0.18rem solid var(--border-color);
}

.drawer-login-btn {
    display: block;
    width: 75%;
    margin: 0 auto;
    text-align: center;
    padding: 2.4rem;
    background-color: transparent;
    color: var(--accent-blue) !important;
    font-size: 2.52rem;
    font-weight: 700;
    border: 0.26rem solid var(--accent-blue);
    border-radius: 1.05rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.drawer-login-btn:hover {
    background-color: var(--accent-blue);
    color: #fff !important;
    opacity: 1;
}

/* ドロワー アコーディオン（シリーズで探す） */
.drawer-accordion-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 2.8rem 4.2rem;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 2.38rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.drawer-accordion-toggle:hover {
    background-color: var(--primary-light);
}

.drawer-accordion-arrow {
    width: 2.8rem;
    height: 2.8rem;
    transition: transform 0.3s ease;
}

.drawer-accordion.active .drawer-accordion-arrow {
    transform: rotate(180deg);
}

.drawer-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: #f0efec;
}

.drawer-accordion.active .drawer-submenu {
    max-height: 70rem;
}

.drawer-submenu li {
    border-bottom: 0.18rem solid var(--border-color) !important;
}

.drawer-submenu li:last-child {
    border-bottom: none !important;
}

.drawer-submenu a {
    padding: 2.2rem 4.2rem 2.2rem 6.3rem !important;
    font-size: 2.1rem !important;
}

/* PC時はドロワーを非表示 */
@media (min-width: 769px) {

    .drawer-overlay,
    .drawer-menu {
        display: none;
    }
}

/* ========================================
   フッター
   ======================================== */
.footer {
    flex-shrink: 0;
    width: 100%;
    margin-top: auto;
}

/* お支払い・配送情報 */
.footer-info {
    background-color: var(--bg-light);
    padding: 0 0 15rem;
}

.footer-info-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 11.2rem;
}

.footer-section-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 2.1rem;
}

.footer-payment {
    margin-bottom: 7rem;
}

.payment-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 4.2rem;
}

.payment-group h4 {
    font-size: 2.8rem;
    font-weight: 600;
    margin-bottom: 1.12rem;
    color: var(--text-color);
}

.payment-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 1.12rem;
}

.payment-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 10.5rem;
    height: 6.3rem;
}

.payment-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.footer-delivery {
    margin-bottom: 0;
}

.delivery-row {
    display: flex;
    align-items: center;
    gap: 2.1rem;
    flex-wrap: wrap;
    font-size: 2.8rem;
    font-weight: 600;
}

.delivery-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.delivery-logo img {
    height: 6.3rem;
    width: auto;
    object-fit: contain;
}

/* ショップ情報 */
.footer-bottom {
    background-color: var(--bg-light);
    padding: 9.8rem 0 11.2rem;
}

.footer-bottom-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 11.2rem;
}

.footer-shop-name {
    font-size: 3.5rem;
    font-weight: 600;
    letter-spacing: 0.25rem;
    color: var(--text-color);
    margin-bottom: 5.6rem;
}

.footer-address {
    font-size: 2.38rem;
    font-weight: 500;
    color: var(--text-color);
    line-height: 1.5;
    margin-bottom: 1.4rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 3.5rem;
    margin-top: 4.2rem;
    padding-top: 3.5rem;
    border-top: 1px solid var(--border-color);
}

.footer-links a {
    font-size: 2.1rem;
    font-weight: 500;
    color: var(--text-light);
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
    opacity: 1;
}

.footer-copyright {
    font-size: 2.1rem;
    font-weight: 500;
    color: var(--text-color);
    margin-top: 4.2rem;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 4.2rem;
    margin-top: 2.8rem;
    padding-top: 2.8rem;
    border-top: 0.18rem solid var(--border-color);
}

.footer-nav a {
    font-size: 2.38rem;
    color: var(--text-light);
}

.footer-nav a:hover {
    color: var(--text-color);
    opacity: 1;
}

/* ========================================
   トップへ戻るボタン
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 3rem;
    right: 3rem;
    width: 6.5rem;
    height: 6.5rem;
    border-radius: 1.2rem;
    border: none;
    background-color: var(--dark-bg);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 900;
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.2);
}

.back-to-top svg {
    stroke: #fff;
    width: 3.2rem;
    height: 3.2rem;
    transition: transform 0.3s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: #444;
    transform: translateY(-0.5rem);
    box-shadow: 0 0.8rem 2.5rem rgba(0, 0, 0, 0.3);
}

.back-to-top:hover svg {
    transform: translateY(-0.3rem);
}

/* ========================================
   共通ボタン
   ======================================== */
.btn-primary {
    display: inline-block;
    padding: 1.68rem 5.04rem;
    background-color: var(--primary-color);
    color: #fff;
    font-size: 2.8rem;
    font-weight: 600;
    border-radius: 1.05rem;
    border: 0.3rem solid var(--primary-color);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    z-index: -1;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform: scaleX(0);
    transform-origin: right;
}

.btn-primary:hover {
    color: var(--primary-dark);
    transform: translateY(-0.4rem);
    opacity: 1;
}

.btn-primary:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 0;
    justify-content: space-between;
    padding: 0.98rem 0.98rem 0.98rem 2.8rem;
    background-color: var(--primary-color);
    border: 0.3rem solid var(--primary-color);
    color: #fff;
    font-size: 2.5rem;
    letter-spacing: 0.25rem;
    min-width: 35rem;
    font-weight: 600;
    border-radius: 1.05rem;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-more::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    z-index: -1;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform: scaleX(0);
    transform-origin: right;
}

.btn-more:hover {
    color: var(--primary-dark);
    transform: translateY(-0.4rem);
    opacity: 1;
}

.btn-more:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-more:hover .btn-more-arrow {
    background-color: var(--primary-color);
}

.btn-more:hover .btn-more-arrow svg {
    stroke: #fff;
}

.btn-more-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4.9rem;
    height: 4.9rem;
    margin-left: 1.68rem;
    background-color: #fff;
    color: var(--primary-color);
    border-radius: 0.7rem;
}

.btn-more-arrow svg {
    stroke: var(--primary-color);
    stroke-width: 5;
    margin-left: 0.3rem;
}

/* ========================================
   共通CTAセクション
   ======================================== */
.page-cta-section {
    padding: 10rem 0;
    margin-bottom: 10rem;
    text-align: center;
}

.page-cta-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 11.2rem;
}

.page-cta-text {
    font-size: 2.8rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4.2rem;
}

.page-cta-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2.8rem;
}

/* btn-secondary: 透明背景 → ゴールド塗りつぶし */
.btn-secondary {
    display: inline-block;
    min-width: 32rem;
    text-align: center;
    padding: 2.1rem 5.6rem;
    font-size: 2.52rem;
    font-weight: 700;
    color: var(--primary-dark);
    background-color: transparent;
    border: 0.3rem solid var(--primary-color);
    border-radius: 5rem;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    z-index: -1;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform: scaleX(0);
    transform-origin: right;
}

.btn-secondary:hover {
    color: #fff;
    border-color: var(--primary-color);
    opacity: 1;
}

.btn-secondary:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* ========================================
   共通セクションヘッダー
   ======================================== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 5.6rem;
}

.section-title-en {
    font-size: 3.92rem;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: 0.5rem;
    line-height: 1.2;
}

.section-title-ja {
    font-size: 2.24rem;
    font-weight: 600;
    color: var(--text-color);
    margin-top: 0.75rem;
}

/* ========================================
   トップページ - ヒーローバナー
   ======================================== */
.hero {
    background-color: var(--cream-bg);
    padding: 0 0 15rem;
}

.hero-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 4.2rem;
}

.hero-box {
    display: flex;
    align-items: stretch;
    background-color: #fff;
    border-radius: 2.1rem;
    overflow: hidden;
}

.hero-image {
    flex: 0 0 66%;
    overflow: hidden;
    background-color: #e8e4dc;
    position: relative;
    min-height: 38.5rem;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-text {
    flex: 1;
    padding: 5.6rem 4.2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 3.36rem;
    background-color: #fff;
}

.hero-catch {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.8;
}

.hero .btn-primary {
    letter-spacing: 0.5rem;
}

/* ========================================
   シリーズで探す
   ======================================== */
.series-section {
    padding: 0 0 15rem;
    background-color: var(--cream-bg);
}

.series-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 11.2rem;
}

.series-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.8rem;
}

.series-item {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-white);
    border: none;
    border-radius: 1.4rem;
    overflow: hidden;
    aspect-ratio: 2.06 / 1;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.series-item:hover {
    transform: translateY(-0.35rem);
    box-shadow: 0 0.7rem 2.1rem rgba(0, 0, 0, 0.12);
    opacity: 1;
}

.series-img-wrap {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.series-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.series-text-item {
    background-color: var(--bg-white);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-gray);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.series-text-item:hover,
.series-page-text-card:hover {
    background-color: var(--primary-color);
}

.series-text-item:hover,
.series-page-text-card:hover span {
    color: #fff;
}

/* ========================================
   NEWS お知らせ
   ======================================== */
.news-section {
    padding: 0 0 15rem;
    background-color: var(--cream-bg);
}

.news-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 11.2rem;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 1.68rem;
}

.news-item {
    border-radius: 1.75rem;
    background-color: var(--bg-white);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.news-item:hover {
    transform: translateY(-0.4rem);
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.1);
}

.news-item a {
    display: flex;
    align-items: center;
    padding: 4.9rem 4.2rem;
    gap: 8.4rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.news-item a:hover {
    background-color: var(--primary-color);
    opacity: 1;
    border-radius: 1.75rem;
}

.news-item a:hover .news-date,
.news-item a:hover .news-text {
    color: #fff;
}

.news-date {
    font-size: 2.52rem;
    font-weight: 700;
    color: var(--text-color);
    white-space: nowrap;
    min-width: 15.75rem;
}

.news-text {
    font-size: 2.66rem;
    font-weight: 700;
    color: var(--text-color);
}

/* ========================================
   PICK UP ITEM おすすめカード
   ======================================== */
.pickup-section {
    padding: 0 0 15rem;
}

.pickup-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 11.2rem;
}

.pickup-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4.9rem;
    padding-top: 2.8rem;
    padding-left: 2.8rem;
}

.pickup-card {
    display: block;
    background-color: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    transition: transform 0.2s ease;
}

.pickup-card:hover {
    transform: translateY(-0.35rem);
    opacity: 0.85;
}

.pickup-card-img {
    position: relative;
    margin-bottom: 2.8rem;
    border-radius: 2.1rem;
    background-color: #fff;
    aspect-ratio: 1.45 / 1;
}

.pickup-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 2.1rem;
}

.pickup-badge {
    position: absolute;
    top: -2.63rem;
    left: -2.63rem;
    background-color: var(--accent-blue);
    color: white;
    font-size: 3rem;
    font-weight: 700;
    padding: 1.8rem 1.11rem;
    border-radius: 1.58rem;
    letter-spacing: 0.05em;
}

.pickup-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.84rem;
    margin-bottom: 2.8rem;
}

.pickup-tag {
    display: inline-block;
    padding: 0.84rem 1.4rem;
    border: 0.18rem solid var(--text-color);
    border-radius: 1.05rem;
    font-size: 1.82rem;
    font-weight: 600;
    color: var(--text-color);
    background-color: transparent;
}

.pickup-tag-dark {
    background-color: var(--text-color);
    color: #fff;
    border-color: var(--text-color);
}

.pickup-card-name {
    font-size: 2.24rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.84rem;
    line-height: 1.4;
}

.pickup-card-price {
    font-size: 2.52rem;
    font-weight: 700;
    color: var(--text-color);
}

/* ========================================
   買い取りバナー + SNS
   ======================================== */
.cta-section {
    padding: 0 0 15rem;
    background-color: var(--cream-bg);
}

.cta-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 11.2rem;
    display: flex;
    align-items: center;
    gap: 5.6rem;
}

.buy-banner {
    display: flex;
    align-items: center;
    gap: 2.8rem;
    background-color: var(--primary-color);
    color: white;
    padding: 7rem 5.6rem;
    border-radius: 2.1rem;
    flex: 0 0 47%;
    transition: transform 0.2s ease;
}

.buy-banner:hover {
    transform: translateY(-0.35rem);
    opacity: 1;
}

.buy-banner-icon {
    flex-shrink: 0;
    width: 9.8rem;
    height: 9.8rem;
}

.buy-banner-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.buy-banner-text {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
    letter-spacing: 0.15em;
}

.buy-banner-text p {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.4;
}

.sns-area {
    display: flex;
    align-items: center;
    gap: 3.5rem;
}

.sns-label {
    font-size: 4.2rem;
    font-weight: 600;
    color: #818180;
    letter-spacing: 0.15em;
}

.sns-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 8.75rem;
    height: 8.75rem;
    border-radius: 50%;
    transition: transform 0.2s ease;
}

.sns-icon-link svg {
    width: 8.75rem;
    height: 8.75rem;
}

.sns-icon-link:hover {
    transform: scale(1.1);
    opacity: 1;
}

/* ========================================
   レスポンシブ - 共通
   ======================================== */
@media (max-width: 768px) {
    body {
        padding-top: 12rem;
    }

    .header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
    }

    .header-inner {
        padding: 2.8rem 2.1rem;
        position: relative;
    }

    .header-logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }

    .header-logo a {
        font-size: 2.8rem;
    }

    .header-login-btn {
        display: none;
    }

    /* PC用ナビバーを非表示（モバイルではドロワーを使用） */
    .nav-bar {
        display: none;
    }

    /* モバイルメニューボタンを表示 */
    .mobile-menu-toggle {
        display: flex;
    }

    .header.drawer-open {
        border-bottom: 0.18rem solid var(--border-color);
    }

    /* ドロワーをヘッダー下から表示 */
    .drawer-menu {
        padding-top: 12rem;
    }

    /* トップへ戻るボタン */
    .back-to-top {
        width: 9rem;
        height: 9rem;
    }

    /* セクションヘッダー */
    .section-header {
        margin-bottom: 3.5rem;
    }

    .section-title-ja,
    .hero-catch,
    .sns-label {
        font-size: 3.08rem;
    }

    /* セクション下余白 */
    .hero,
    .series-section,
    .news-section,
    .pickup-section,
    .cta-section,
    .footer-info {
        padding-bottom: 12rem;
    }

    /* フッター */
    .footer-info-inner,
    .footer-bottom-inner {
        padding: 4.2rem 2.8rem;
    }

    .footer-section-title,
    .series-text-item {
        font-size: 3rem;
    }

    .footer-section-title {
        margin-bottom: 2.8rem;
    }

    .payment-group h4,
    .delivery-row {
        font-size: 2.52rem;
    }

    .footer-payment {
        margin-bottom: 5rem;
        padding-bottom: 5rem;
        border-bottom: 0.18rem solid var(--border-color);
    }

    .payment-methods {
        flex-direction: column;
        gap: 2.4rem;
    }

    .payment-logo {
        width: 9rem;
        height: 5.4rem;
    }

    .payment-logos {
        gap: 1rem;
    }

    .delivery-logo img {
        height: 5.6rem;
    }

    .footer-bottom {
        padding: 4.2rem 0 5.6rem;
    }

    .footer-shop-name {
        margin-bottom: 2.8rem;
    }

    .footer-nav {
        gap: 2.8rem;
    }

    .footer-links {
        gap: 2.8rem;
    }

    /* 共通CTA */
    .page-cta-section {
        padding: 8rem 0;
    }

    .page-cta-inner {
        padding: 0 2.8rem;
    }

    .page-cta-buttons {
        flex-direction: column;
        gap: 2.1rem;
    }

    .btn-secondary {
        width: 100%;
        max-width: 40rem;
    }
}

/* ========================================
   レスポンシブ - トップページ
   ======================================== */
@media (max-width: 768px) {

    /* セクション左右padding調整 */
    .series-inner,
    .news-inner,
    .pickup-inner,
    .cta-inner {
        padding: 0 2.8rem;
    }

    /* セクションヘッダー */
    .section-title-en {
        font-size: 3.78rem;
    }

    .btn-more {
        min-width: 28rem;
        font-size: 2.1rem;
    }

    /* ヒーロー */
    .hero {
        padding-top: 4rem;
    }

    /* ヒーロー（タブレットではPC寄りの横並びを維持） */
    .hero-inner {
        padding: 0 2.8rem;
    }

    .hero-image {
        flex: 0 0 55%;
        min-height: auto;
    }

    .hero .btn-primary {
        font-size: 2.24rem;
        padding: 1.4rem 3.5rem;
    }

    .hero-text {
        padding: 3.5rem 2.8rem;
        gap: 2.1rem;
    }

    /* シリーズ（6カラムで3列表示 + 最終行中央寄せ） */
    .series-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 1.4rem;
    }

    .series-item {
        grid-column: span 2;
    }

    .series-item:nth-last-child(2):nth-child(3n + 1) {
        grid-column: 2 / span 2;
    }

    /* ニュース */
    .news-item a {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.84rem;
        padding: 2.8rem;
    }

    .news-date {
        font-size: 2.24rem;
    }

    .news-text {
        font-size: 2.38rem;
    }

    /* ピックアップ - 横スクロール */
    .pickup-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        grid-template-columns: unset;
        gap: 0;
        padding: 1.6rem 0 0 2.8rem;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .pickup-grid::-webkit-scrollbar {
        display: none;
    }

    .pickup-card {
        flex: 0 0 45%;
        min-width: 0;
        scroll-snap-align: center;
        margin-right: 2.8rem;
    }

    .pickup-grid::after {
        content: '';
        flex: 0 0 2.8rem;
    }

    .pickup-badge {
        top: -1.4rem;
        left: -1.4rem;
        font-size: 1.96rem;
        padding: 1.4rem 0.84rem;
        border-radius: 1.05rem;
    }

    /* 買取バナー + SNS */
    .cta-inner {
        flex-direction: column;
        gap: 5.6rem;
    }

    .buy-banner {
        width: 100%;
        max-width: 60rem;
        margin: 0 auto;
        padding: 4.2rem;
        border-radius: 1.75rem;
    }

    .buy-banner-icon {
        width: 7.7rem;
        height: 7.7rem;
    }

    .buy-banner-text p {
        font-size: 2.8rem;
    }

    .sns-area {
        justify-content: center;
        gap: 2.8rem;
    }

    .sns-icon-link,
    .sns-icon-link svg {
        width: 7rem;
        height: 7rem;
    }
}

@media (max-width: 480px) {
    /* 共通CTA */
    .page-cta-section {
        padding: 6rem 0;
    }

    .page-cta-inner {
        padding: 0 2.1rem;
    }

    .page-cta-text {
        font-size: 2.52rem;
    }

    .btn-secondary {
        font-size: 2.24rem;
        padding: 1.68rem 2.8rem;
    }

    .header-logo a {
        font-size: 2.52rem;
    }

    .header-login-btn {
        font-size: 1.82rem;
        padding: 0.84rem 1.4rem;
    }

    .footer-info-inner,
    .footer-bottom-inner {
        padding: 3.5rem 2.1rem;
    }

    .footer-section-title,
    .hero-catch,
    .series-text-item {
        font-size: 2.8rem;
    }

    .payment-group h4,
    .delivery-row {
        font-size: 2.38rem;
    }

    .payment-logo {
        width: 8.4rem;
        height: 5rem;
    }

    .delivery-logo img {
        height: 5.2rem;
    }

    /* ヒーロー（スマホでは縦積み） */
    .hero-box {
        flex-direction: column;
    }

    .hero-image {
        flex: none;
        width: 100%;
    }

    .hero-image img {
        width: 100%;
        height: auto;
    }

    .hero-text {
        align-items: center;
        text-align: center;
    }

    /* シリーズ */
    .series-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.12rem;
    }

    .series-item {
        grid-column: span 1;
        aspect-ratio: 2 / 1;
    }

    .series-item:nth-last-child(2):nth-child(3n + 1) {
        grid-column: auto;
    }

    /* ピックアップ */
    .pickup-card-name {
        font-size: 2.1rem;
    }

    .pickup-card-price {
        font-size: 2.24rem;
    }

    .pickup-card {
        flex: 0 0 78%;
    }

    /* 買取バナー + SNS */
    .buy-banner {
        padding: 3.5rem 2.8rem;
    }

    .buy-banner-icon,
    .sns-icon-link,
    .sns-icon-link svg {
        width: 6.3rem;
        height: 6.3rem;
    }

    .buy-banner-text {
        gap: 0.7rem;
    }

    .buy-banner-text p {
        font-size: 2.52rem;
    }

    .sns-label {
        font-size: 2.66rem;
    }
}

/* ========================================
   Bootstrapモーダル基本スタイル + お客様画面デザイン
   （bootstrap.cssを読み込まないため、必要なスタイルをここで定義）
   ======================================== */

/* オーバーレイ背景 */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9998;
    width: 100vw;
    height: 100vh;
    background-color: #000;
}

.modal-backdrop.fade {
    opacity: 0;
    transition: opacity 0.15s linear;
}

.modal-backdrop.show {
    opacity: 0.5;
}

/* モーダル本体 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    display: none;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
}

.modal.fade .modal-dialog {
    transform: scale(0.9);
    transition: transform 0.2s ease;
}

.modal.show .modal-dialog {
    transform: scale(1);
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: 1.75rem auto;
    max-width: 50rem;
    pointer-events: none;
}

.modal-dialog-centered {
    display: flex;
    align-items: center;
    min-height: calc(100% - 3.5rem);
}

.modal-lg {
    max-width: 50rem;
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: #fff;
    border: none;
    border-radius: 1.4rem;
    box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.15);
    font-family: 'Noto Sans JP', sans-serif;
    overflow: hidden;
}

/* ヘッダー */
.modal-header {
    display: flex;
    align-items: center;
    padding: 2.1rem 3.5rem;
    border-bottom: none;
    background-color: var(--primary-color) !important;
}

.modal-header label {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--text-color) !important;
    margin: 0;
}

/* ボディ */
.modal-body {
    position: relative;
    padding: 1.4rem 3.5rem;
}

.modal-body .fs-4 {
    font-size: 2.1rem !important;
    color: var(--text-color);
}

.modal-body .my-5 {
    margin-top: 2.8rem !important;
    margin-bottom: 2.8rem !important;
}

.modal-body .fw-bold {
    font-weight: 700;
}

.text-center {
    text-align: center;
}

/* フッター */
.modal-footer {
    display: flex;
    align-items: center;
    padding: 1.4rem 3.5rem 2.8rem;
    border-top: none;
    justify-content: center;
    gap: 1.4rem;
    flex-wrap: nowrap;
    background-color: #fff;
}

/* ボタン */
.modal-footer .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 1 auto;
    min-width: 0;
    white-space: nowrap;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 2rem;
    font-weight: 600;
    padding: 1.2rem 3.5rem;
    border-radius: 0.7rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: 0.2rem solid transparent;
    box-sizing: border-box;
}

.modal-footer .btn-lg {
    padding: 1.2rem 3.5rem;
    font-size: 2rem;
}

.modal-footer .btn-outline-danger {
    background-color: #fff;
    color: var(--danger-color, #dc3545);
    border-color: var(--danger-color, #dc3545);
}

.modal-footer .btn-outline-danger:hover {
    background-color: var(--danger-color, #dc3545);
    color: #fff;
}

.modal-footer .btn-secondary {
    background-color: #fff;
    border-color: var(--primary-color);
    color: var(--primary-dark);
}

.modal-footer .btn-secondary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

/* body スクロールロック（Bootstrap JSが付与） */
.modal-open {
    overflow: hidden;
}

/* レスポンシブ: モバイル */
@media (max-width: 480px) {
    .modal-dialog {
        max-width: calc(100% - 2.8rem);
        margin: 1.4rem auto;
    }

    .modal-header {
        padding: 1.75rem 2.8rem;
    }

    .modal-header label {
        font-size: 2.1rem;
    }

    .modal-body {
        padding: 1rem 2.8rem;
    }

    .modal-body .fs-4 {
        font-size: 1.96rem !important;
    }

    .modal-footer {
        padding: 1rem 2.8rem 2.1rem;
        flex-wrap: wrap;
    }

    .modal-footer .btn {
        padding: 1.2rem 2.8rem;
        font-size: 1.82rem;
        white-space: nowrap;
    }
}