/* ========================================
   グローバル設定
======================================== */
:root {
    /* カラーパレット */
    --color-primary: #c8161d;
    --color-primary-dark: #9d1016;
    --color-secondary: #d4af37;
    --color-black: #1a1a1a;
    --color-dark-gray: #2d2d2d;
    --color-gray: #666666;
    --color-light-gray: #e5e5e5;
    --color-white: #ffffff;
    --color-bg: #f8f8f8;
    
    /* タイポグラフィ */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-secondary: 'Noto Serif JP', serif;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* ボーダー */
    --border-radius: 8px;
    --border-radius-large: 16px;
    
    /* シャドウ */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--color-black);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   販売開始告知バナー
======================================== */
.presale-banner {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: var(--color-white);
    padding: 1rem 0;
    text-align: center;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1000;
    animation: presalePulse 2s ease-in-out infinite;
}

.presale-banner .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.presale-banner i {
    font-size: 1.3rem;
    animation: presaleIcon 1.5s ease-in-out infinite;
}

.presale-text {
    letter-spacing: 0.05em;
}

@keyframes presalePulse {
    0%, 100% {
        background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    }
    50% {
        background: linear-gradient(135deg, #ff7b7b 0%, #fe6a7f 100%);
    }
}

@keyframes presaleIcon {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

/* ========================================
   ヒーローセクション
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark-gray) 50%, var(--color-primary-dark) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,255,255,0.03) 10px, rgba(255,255,255,0.03) 20px),
        repeating-linear-gradient(-45deg, transparent, transparent 10px, rgba(255,255,255,0.03) 10px, rgba(255,255,255,0.03) 20px);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, transparent 0%, rgba(0,0,0,0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-md);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(212, 175, 55, 0.2);
    border: 2px solid var(--color-secondary);
    border-radius: 50px;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    letter-spacing: 0.1em;
}

.badge-divider {
    color: var(--color-secondary);
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.title-main {
    display: block;
    font-family: var(--font-secondary);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    letter-spacing: 0.05em;
    color: var(--color-secondary);
    text-shadow: 
        2px 2px 0 var(--color-primary),
        4px 4px 8px rgba(0, 0, 0, 0.5);
    margin-bottom: var(--spacing-xs);
}

.title-sub {
    display: block;
    font-size: clamp(1.8rem, 4vw, 3.5rem);
    font-weight: 700;
    letter-spacing: 0.08em;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.hero-cta {
    margin-bottom: var(--spacing-lg);
}

.hero-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    font-size: 0.95rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.info-item i {
    color: var(--color-secondary);
    font-size: 1.2rem;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 10px); }
}

/* ========================================
   ボタン
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(200, 22, 29, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200, 22, 29, 0.6);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.2rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ボタン無効化スタイル */
.btn:disabled,
.btn[disabled] {
    background: #cccccc !important;
    color: #888888 !important;
    border-color: #cccccc !important;
    cursor: not-allowed !important;
    box-shadow: none !important;
    opacity: 0.6;
    pointer-events: none;
}

.btn:disabled::before,
.btn[disabled]::before {
    display: none;
}

.btn-primary:disabled,
.btn-primary[disabled] {
    background: linear-gradient(135deg, #cccccc 0%, #aaaaaa 100%) !important;
}

.btn-secondary:disabled,
.btn-secondary[disabled] {
    background: #f5f5f5 !important;
    border-color: #cccccc !important;
    color: #999999 !important;
}

.btn span {
    position: relative;
    z-index: 1;
}

/* ========================================
   セクション共通
======================================== */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-secondary);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.presale-notice {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ff5757;
    margin-top: 1.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #fff5f5 0%, #ffe8e8 100%);
    border: 2px solid #ff8888;
    border-radius: 12px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 4px 12px rgba(255, 87, 87, 0.15);
    letter-spacing: 0.05em;
}

/* ========================================
   商品紹介セクション
======================================== */
.product-intro {
    background: var(--color-white);
}

.product-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-radius: var(--border-radius-large);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 50%;
    color: var(--color-white);
    font-size: 2rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.feature-text {
    color: var(--color-gray);
    line-height: 1.7;
}

/* ========================================
   キャンペーンセクション
======================================== */
.campaign-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.campaign-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,255,255,0.03) 10px, rgba(255,255,255,0.03) 20px);
    pointer-events: none;
}

.campaign-banner {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.campaign-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.campaign-title {
    font-family: var(--font-secondary);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.campaign-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    opacity: 0.95;
}

.campaign-prizes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.prize-card {
    background: var(--color-white);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.prize-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.prize-special {
    border: 3px solid var(--color-secondary);
}

.prize-special::before {
    content: '大人気';
    position: absolute;
    top: 10px;
    right: -30px;
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 0.3rem 2rem;
    font-size: 0.8rem;
    font-weight: 700;
    transform: rotate(45deg);
    z-index: 1;
}

.prize-image-placeholder {
    height: 200px;
    background: linear-gradient(135deg, var(--color-bg), var(--color-light-gray));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
}

.prize-image-placeholder i {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.3;
}

.coming-soon {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.prize-content {
    padding: var(--spacing-md);
    text-align: center;
}

.prize-rank {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    padding: 0.3rem 1rem;
    border-radius: 50px;
    font-weight: 900;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.prize-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.prize-winners {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.campaign-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.campaign-detail-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius-large);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.detail-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-secondary), #c9a030);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.detail-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

.detail-text {
    color: var(--color-dark-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.detail-text strong {
    color: var(--color-primary);
    font-weight: 700;
}

.detail-example {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.example-title {
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.example-title i {
    color: var(--color-secondary);
}

.example-text {
    color: var(--color-dark-gray);
    line-height: 1.7;
}

.example-text strong {
    color: var(--color-primary);
}

.detail-note {
    font-size: 0.9rem;
    color: var(--color-gray);
    font-style: italic;
}

.twitter-link {
    color: var(--color-primary);
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.3s ease;
}

.twitter-link:hover {
    color: #1DA1F2;
    text-decoration: underline;
}

/* ========================================
   店舗選択セクション
======================================== */
.stores-section {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-white) 100%);
}

.pickup-dates-info {
    display: flex;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, #fff3cd, #fff9e6);
    border: 3px solid var(--color-secondary);
    border-radius: var(--border-radius-large);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-xl);
}

.pickup-dates-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-secondary);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.8rem;
}

.pickup-dates-content {
    flex: 1;
}

.pickup-dates-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

.pickup-dates-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.pickup-date-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-dark-gray);
    font-size: 1.05rem;
}

.pickup-date-item i {
    color: var(--color-secondary);
    font-size: 1.2rem;
}

.pickup-date-text strong {
    color: var(--color-black);
}

.stores-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.store-card {
    background: var(--color-white);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
}

.store-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.store-card-header {
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark-gray) 100%);
    padding: var(--spacing-md);
    position: relative;
}

.store-number {
    position: absolute;
    top: -15px;
    right: var(--spacing-md);
    width: 60px;
    height: 60px;
    background: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.store-name {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--color-white);
    margin-top: var(--spacing-md);
}

.store-card-body {
    padding: var(--spacing-md);
}

.store-address {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius);
    margin: calc(var(--spacing-xs) * -1);
}

.store-address:hover {
    background: rgba(200, 22, 29, 0.05);
    color: var(--color-primary);
}

.store-address i {
    color: var(--color-primary);
    transition: transform 0.3s ease;
}

.store-address:hover i {
    transform: scale(1.2);
}

.store-card-footer {
    padding: var(--spacing-md);
    background: var(--color-bg);
}

/* ========================================
   商品ラインナップセクション
======================================== */
.products-section {
    background: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.product-detail-card {
    background: var(--color-bg);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.product-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-detail-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.product-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: 0.5rem 1rem;
    background: var(--color-secondary);
    color: var(--color-white);
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
}

.product-badge.popular {
    background: var(--color-primary);
}

.product-badge.special {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.product-badge.value {
    background: #28a745;
}

.product-badge.limited {
    background: #ff6b6b;
}

.product-badge.new {
    background: #4a90e2;
}

.product-detail-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-detail-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.product-detail-price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.price-amount {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-primary);
}

.price-unit {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.product-detail-weight {
    font-size: 0.95rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-light-gray);
}

.product-detail-description {
    line-height: 1.8;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-md);
}

.product-detail-features {
    list-style: none;
    padding: 0;
    margin-top: auto;
}

.product-detail-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: var(--color-dark-gray);
}

.product-detail-features i {
    color: var(--color-primary);
    font-size: 0.9rem;
}

.products-cta {
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(200, 22, 29, 0.05), rgba(212, 175, 55, 0.05));
    border-radius: var(--border-radius-large);
}

.products-cta-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   購入フローセクション
======================================== */
.flow-section {
    background: var(--color-bg);
}

.flow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.flow-step {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--border-radius-large);
    border: 3px solid var(--color-primary);
    transition: all 0.3s ease;
}

.flow-step:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.step-number {
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

.step-number span {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--color-gray);
}

.step-number strong {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 50%;
    color: var(--color-white);
    font-size: 2rem;
}

.step-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.step-description {
    color: var(--color-gray);
    line-height: 1.7;
}

.flow-arrow {
    font-size: 2rem;
    color: var(--color-light-gray);
}

.flow-note {
    display: flex;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, #fff3cd, #fff9e6);
    border-left: 5px solid var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.note-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-secondary);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.5rem;
}

.note-content h4 {
    font-size: 1.3rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

.note-content ul {
    list-style: none;
    padding-left: 0;
}

.note-content li {
    padding-left: 1.8rem;
    position: relative;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark-gray);
    line-height: 1.7;
}

.note-content li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-size: 0.7rem;
    top: 0.5rem;
}

.note-content li strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* ========================================
   決済方法セクション
======================================== */
.payment-section {
    background: var(--color-bg);
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.payment-category {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-sm);
}

.payment-category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

.payment-category-title i {
    color: var(--color-primary);
}

.payment-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.payment-list li {
    background: var(--color-bg);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    color: var(--color-dark-gray);
    border: 2px solid var(--color-light-gray);
    transition: all 0.3s ease;
}

.payment-list li:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* ========================================
   フッター
======================================== */
.footer {
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark-gray) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-top: 0.5rem;
}

.footer-heading {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

.footer-list {
    list-style: none;
}

.footer-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.8);
}

.footer-list i {
    color: var(--color-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ========================================
   レスポンシブ対応
======================================== */
@media (max-width: 768px) {
    .hero-info {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .pickup-dates-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: var(--spacing-md);
    }
    
    .pickup-dates-title {
        font-size: 1.1rem;
    }
    
    .pickup-dates-list {
        align-items: center;
    }
    
    .pickup-date-item {
        font-size: 0.95rem;
        justify-content: center;
    }
    
    .campaign-prizes {
        grid-template-columns: 1fr;
    }
    
    .campaign-details {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-steps {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .flow-note {
        flex-direction: column;
        align-items: center;
        text-align: left;
        padding: var(--spacing-md);
    }
    
    .note-content h4 {
        font-size: 1.1rem;
    }
    
    .note-content li {
        font-size: 0.9rem;
    }
    
    .payment-methods {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .pickup-dates-info {
        padding: var(--spacing-sm) var(--spacing-xs);
        margin-bottom: var(--spacing-md);
    }
    
    .pickup-dates-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .pickup-dates-title {
        font-size: 1rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .pickup-date-item {
        font-size: 0.85rem;
        gap: 0.3rem;
        flex-wrap: wrap;
    }
    
    .pickup-date-item i {
        font-size: 1rem;
        flex-shrink: 0;
    }
    
    .pickup-date-text {
        flex: 1;
        min-width: 0;
    }
    
    .btn {
        font-size: 0.9rem;
        padding: 0.75rem 1rem;
        gap: 0.5rem;
        white-space: nowrap;
    }
    
    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .btn-block {
        font-size: 0.95rem;
    }
    
    .flow-note {
        padding: var(--spacing-sm);
    }
    
    .note-icon {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
    
    .note-content h4 {
        font-size: 1rem;
    }
    
    .note-content li {
        font-size: 0.85rem;
        padding-left: 1.5rem;
    }
    
    .campaign-title {
        font-size: 1.8rem;
    }
    
    .campaign-subtitle {
        font-size: 0.95rem;
    }
    
    .prize-image-placeholder {
        height: 150px;
    }
    
    .prize-image-placeholder i {
        font-size: 3rem;
    }
    
    .campaign-detail-card {
        padding: var(--spacing-md);
    }
    
    .detail-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .detail-title {
        font-size: 1.2rem;
    }
    
    .detail-text {
        font-size: 0.9rem;
    }
    
    .stores-grid {
        gap: var(--spacing-sm);
    }
    
    .store-card-header {
        padding: var(--spacing-sm);
    }
    
    .store-card-body {
        padding: var(--spacing-sm);
    }
    
    .store-card-footer {
        padding: var(--spacing-sm);
    }
    
    .store-name {
        font-size: 1.3rem;
    }
    
    .store-number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        top: -10px;
        right: var(--spacing-sm);
    }
    
    .store-address {
        font-size: 0.9rem;
    }
}

@media (max-width: 360px) {
    .pickup-dates-info {
        padding: 0.75rem 0.5rem;
    }
    
    .pickup-dates-icon {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
    
    .pickup-dates-title {
        font-size: 0.95rem;
    }
    
    .pickup-date-item {
        font-size: 0.8rem;
    }
    
    .pickup-date-text strong {
        display: block;
        margin-bottom: 0.2rem;
    }
    
    .btn {
        font-size: 0.85rem;
        padding: 0.7rem 0.8rem;
    }
    
    .btn i {
        font-size: 0.9rem;
    }
    
    .stores-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
    }
    
    .store-card-footer {
        padding: 0.75rem;
    }
}