/* ==========================================
   カスタムプロパティ（CSS変数）
   ========================================== */
:root {
    /* カラーパレット */
    --primary-color: #008080;
    --primary-dark: #006666;
    --primary-light: #20b2aa;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --text-dark: #2c3e50;
    --text-gray: #6c757d;
    --text-light: #95a5a6;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #2c3e50;
    --border-color: #e0e0e0;
    
    /* タイポグラフィ */
    --font-primary: 'Noto Sans JP', 'Zen Kaku Gothic New', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    --font-weight-black: 900;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* ボックスシャドウ */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* ==========================================
   リセット & ベーススタイル
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
}

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ==========================================
   コンテナ
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: var(--font-weight-black);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    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(--primary-color), var(--primary-light));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-top: var(--spacing-md);
    line-height: 1.8;
}

/* ==========================================
   ヘッダー & ナビゲーション
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    padding: 1rem 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-black);
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-gray);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    font-weight: var(--font-weight-medium);
    color: var(--text-dark);
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-normal);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary-color);
    color: white !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 50px;
    font-weight: var(--font-weight-bold);
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.nav-cta::after {
    display: none;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

/* ==========================================
   ヒーローセクション
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 128, 128, 0.5) 0%, rgba(0, 102, 102, 0.45) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    max-width: 900px;
    padding: var(--spacing-md);
}

.hero-badge {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-badge span {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.hero-badge i {
    font-size: 1.1rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: var(--font-weight-black);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================
   ボタン
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: var(--font-weight-bold);
    border-radius: 50px;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn i {
    font-size: 1.2rem;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--bg-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: white;
    backdrop-filter: blur(10px);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* ==========================================
   スクロールインジケーター
   ========================================== */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    animation: bounce 2s infinite;
    z-index: 10;
}

.scroll-indicator i {
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ==========================================
   選ばれる理由
   ========================================== */
.features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 3rem;
    font-weight: var(--font-weight-black);
    color: rgba(0, 128, 128, 0.1);
}

.feature-image {
    width: 100%;
    height: 200px;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
}

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

.feature-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.feature-description {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ==========================================
   ご利用の流れ
   ========================================== */
.flow {
    background: white;
}

.flow-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.flow-item {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--bg-light);
    border-radius: 15px;
    transition: all var(--transition-normal);
}

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

.flow-step {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: var(--font-weight-bold);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.flow-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-sm);
    border: 3px solid var(--primary-color);
}

.flow-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
}

.flow-item:hover .flow-image img {
    transform: scale(1.1);
}

.flow-title {
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.flow-description {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
}

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

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

/* ==========================================
   開業記念キャンペーン
   ========================================== */
.campaign {
    background: linear-gradient(135deg, #fff8e1 0%, #ffe082 100%);
    padding: 4rem 0;
}

.campaign-banner {
    background: white;
    border-radius: 20px;
    padding: 3rem 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.campaign-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
    100% { transform: translate(-50%, -50%) scale(1); }
}

.campaign-badge {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.campaign-title {
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-color);
    margin-bottom: 2rem;
    line-height: 1.4;
}

.campaign-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.campaign-before {
    background: #f5f5f5;
    padding: 1.5rem;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.price-label {
    font-size: 1rem;
    color: var(--text-light);
}

.price-value {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--text-color);
    text-decoration: line-through;
}

.campaign-arrow {
    font-size: 2rem;
    color: var(--primary-color);
}

.campaign-after {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 2rem 3rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 128, 128, 0.3);
}

.campaign-zero {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
}

.zero-text {
    font-size: 1.5rem;
    color: white;
    font-weight: bold;
}

.zero-number {
    font-size: 5rem;
    font-weight: bold;
    color: #ffd700;
    line-height: 1;
}

.zero-yen {
    font-size: 2rem;
    color: white;
    font-weight: bold;
}

.campaign-note {
    font-size: 1rem;
    color: #d32f2f;
    font-weight: bold;
    margin: 0;
}

/* ==========================================
   料金プラン
   ========================================== */
.pricing {
    background: white;
    padding: 5rem 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.pricing-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.pricing-card.recommended {
    border: 3px solid var(--primary-color);
    background: linear-gradient(135deg, #f0fffe, white);
    transform: scale(1.05);
}

.pricing-card.recommended:hover {
    transform: scale(1.08) translateY(-10px);
}

.recommend-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.pricing-plan {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.pricing-price {
    margin-bottom: 0.5rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
}

.price-unit {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-left: 0.25rem;
}

.pricing-per {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.pricing-desc {
    font-size: 0.875rem;
    color: var(--text-color);
    line-height: 1.6;
}

.benefits-section {
    background: linear-gradient(135deg, #e0f7fa, #b2ebf2);
    border-radius: 20px;
    padding: 3rem 2rem;
    margin-bottom: 3rem;
}

.benefits-title {
    font-size: 1.75rem;
    font-weight: bold;
    color: var(--text-color);
    text-align: center;
    margin-bottom: 2rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.benefit-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.benefit-item p {
    margin: 0;
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
}

/* ==========================================
   施設・設備
   ========================================== */
.facility {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.facility .section-title {
    color: white;
}

.facility .section-title::after {
    background: white;
}

.facility .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.facility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.facility-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.facility-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.facility-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border: 3px solid rgba(255, 255, 255, 0.5);
}

.facility-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
}

.facility-item:hover .facility-image img {
    transform: scale(1.1);
}

.facility-item h3 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.6;
}

/* ==========================================
   アクセス
   ========================================== */
.access {
    background: var(--bg-light);
}

.access-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.access-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 1.5rem;
    color: white;
}

.info-text h3 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.info-text p {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.8;
}

.access-map {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.access-map iframe {
    display: block;
}

/* ==========================================
   お問い合わせ
   ========================================== */
.contact {
    background: white;
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
}

.contact-card {
    background: var(--bg-light);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all var(--transition-normal);
    border: 3px solid transparent;
    display: block;
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.contact-card.line {
    border-color: #06C755;
}

.contact-card.line:hover {
    background: #06C755;
    color: white;
}

.contact-card.form {
    border-color: var(--primary-color);
}

.contact-card.form:hover {
    background: var(--primary-color);
    color: white;
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-sm);
}

.contact-card.line .contact-icon {
    background: #06C755;
}

.contact-card.form .contact-icon {
    background: var(--primary-color);
}

.contact-icon i {
    font-size: 2.5rem;
    color: white;
}

.contact-card h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 1rem;
}

.contact-card p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: var(--font-weight-bold);
    font-size: 1rem;
}

.contact-message {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 20px;
    color: white;
}

.contact-message blockquote {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.8;
}

/* ==========================================
   フッター
   ========================================== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-black);
    color: var(--primary-light);
    margin-bottom: 0.5rem;
}

.footer-logo p {
    font-size: 0.875rem;
    color: var(--text-light);
}

.footer-tagline {
    margin-top: 1rem;
    font-size: 1rem !important;
    color: white !important;
    font-weight: var(--font-weight-medium);
}

.footer-links h4,
.footer-info h4 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 1rem;
    color: var(--primary-light);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-light);
    transition: color var(--transition-fast);
}

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

.footer-info p {
    color: var(--text-light);
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

.footer-info i {
    color: var(--primary-light);
    margin-right: 0.5rem;
}

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

.footer-bottom p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* ==========================================
   トップへ戻るボタン
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* ==========================================
   レスポンシブデザイン
   ========================================== */

/* タブレット */
@media (max-width: 992px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .flow-arrow {
        display: none;
    }
    
    .access-content {
        grid-template-columns: 1fr;
    }
}

/* スマートフォン */
@media (max-width: 768px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2.5rem;
        --spacing-xl: 3rem;
    }
    
    .hero {
        margin-top: 70px;
        min-height: 90vh;
    }
    
    .hero-badge {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-container {
        flex-direction: column;
    }
    
    .flow-item {
        max-width: 100%;
    }
    
    .campaign-content {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .campaign-title {
        font-size: 1.5rem;
    }
    
    .campaign-arrow {
        transform: rotate(90deg);
    }
    
    .zero-number {
        font-size: 3.5rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.recommended {
        transform: scale(1);
    }
    
    .pricing-card.recommended:hover {
        transform: translateY(-10px);
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .facility-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* 小型スマートフォン */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
    }
    
    .campaign-banner {
        padding: 2rem 1rem;
    }
    
    .campaign-badge {
        font-size: 1.25rem;
    }
    
    .zero-number {
        font-size: 2.5rem;
    }
    
    .zero-text {
        font-size: 1.25rem;
    }
    
    .zero-yen {
        font-size: 1.5rem;
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
    
    .benefits-title {
        font-size: 1.5rem;
    }
    
    .contact-card {
        padding: 2rem 1.5rem;
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}