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

:root {
    /* カラーパレット - アルクブランドカラー */
    --primary-color: #0066CC;
    --primary-dark: #004999;
    --primary-light: #3385D6;
    --secondary-color: #FFD700;
    --secondary-dark: #FFC700;
    --accent-color: #FF6B6B;
    --success-color: #4CAF50;
    
    /* グレースケール */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-gray: #E9ECEF;
    --border-color: #DEE2E6;
    
    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, #0066CC 0%, #3385D6 100%);
    --gradient-secondary: linear-gradient(135deg, #FFD700 0%, #FFC700 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0,102,204,0.95) 0%, rgba(51,133,214,0.95) 100%);
    
    /* シャドウ */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* フォント */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-heading: 'Poppins', 'Noto Sans JP', sans-serif;
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

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

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

ul {
    list-style: none;
}

/* ========================
   ヘッダー
   ======================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.3;
}

.logo-sub {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav {
    display: flex;
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-primary);
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition-fast);
}

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

.nav-link:hover {
    color: var(--primary-color);
}

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

.nav-toggle,
.nav-close {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.nav-toggle:hover,
.nav-close:hover {
    color: var(--primary-color);
}

/* ========================
   キャンペーンバナー
   ======================== */
.campaign-banner {
    margin-top: 70px;
    background: var(--bg-white);
    padding: var(--spacing-md) 0;
}

.campaign-image {
    width: 100%;
    max-width: 1200px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

/* ========================
   ヒーローセクション
   ======================== */
.hero {
    margin-top: 0;
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--gradient-hero);
    padding: var(--spacing-lg) var(--spacing-md);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    text-align: center;
    color: var(--bg-white);
}

/* ヒーローコンテンツラッパー */
.hero-content-wrapper {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: var(--spacing-lg);
    width: 100%;
    max-width: 1400px;
    position: relative;
    z-index: 1;
}

/* 募集案内 */
.hero-recruitment {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-width: 200px;
    padding-top: 80px;
}

.hero-recruitment-left {
    order: 1;
}

.hero-content {
    order: 2;
    flex: 1;
}

.hero-recruitment-right {
    order: 3;
}

.recruitment-box {
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-xl);
    transition: var(--transition-normal);
}

.recruitment-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.recruitment-box i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.recruitment-box h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.hero-badge {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--text-primary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
    animation: bounce 2s infinite;
    cursor: pointer;
    transition: var(--transition-normal);
}

.hero-badge:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
}

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

.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.highlight {
    color: var(--secondary-color);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.15);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    font-weight: 500;
}

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

.hero-trial-box {
    background: var(--bg-white);
    color: var(--text-primary);
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    margin: 0 auto;
}

.trial-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.hero-trial-box h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.trial-date {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.trial-time {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.trial-location {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.trial-location i {
    color: var(--primary-color);
}

.trial-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

/* ========================
   ボタン
   ======================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.1rem;
}

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

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

.section-badge {
    display: inline-block;
    background: var(--gradient-secondary);
    color: var(--text-primary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* ========================
   特長セクション
   ======================== */
.features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.feature-card {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

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

.feature-card-highlight {
    background: var(--gradient-primary);
    color: var(--bg-white);
}

.feature-card-highlight:hover {
    border-color: var(--secondary-color);
}

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

.feature-card-highlight .feature-icon {
    background: rgba(255,255,255,0.2);
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.feature-card p {
    color: var(--text-secondary);
    text-align: left;
    line-height: 1.8;
}

.feature-text {
    text-align: left;
}

.feature-card-highlight p {
    color: rgba(255,255,255,0.9);
}

.skills-section {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-lg);
}

.skills-title {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.skill-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 15px;
    transition: var(--transition-normal);
}

.skill-item:hover {
    background: var(--gradient-secondary);
    transform: scale(1.05);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.skill-item h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ========================
   講師紹介セクション
   ======================== */
.teacher {
    background: var(--bg-white);
}

.teacher-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-lg);
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.teacher-image {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.teacher-photo {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 5px solid var(--secondary-color);
}

.teacher-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.teacher-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.teacher-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.teacher-bio p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
    color: var(--text-primary);
}

.teacher-highlight {
    background: linear-gradient(135deg, rgba(0,102,204,0.1) 0%, rgba(51,133,214,0.1) 100%);
    padding: var(--spacing-md);
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    font-weight: 500;
}

.teacher-credentials {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.credential-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
}

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

/* ========================
   コース・料金セクション
   ======================== */
.courses {
    background: var(--bg-light);
}

.course-info-box {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.course-info-box h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.curriculum-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.curriculum-item {
    background: var(--gradient-primary);
    color: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.curriculum-age {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.curriculum-name {
    font-size: 1.5rem;
    font-weight: 700;
}

.curriculum-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: var(--spacing-sm);
}

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

.pricing-card {
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    overflow: visible;
    transition: var(--transition-normal);
    position: relative;
}

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

.pricing-card-featured {
    border: 3px solid var(--secondary-color);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    left: -40px;
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
    color: var(--bg-white);
    padding: 0.6rem 3.5rem;
    font-weight: 700;
    font-size: 0.9rem;
    transform: rotate(-45deg);
    box-shadow: 0 3px 10px rgba(255, 107, 107, 0.4);
    z-index: 10;
    white-space: nowrap;
}

.pricing-header {
    background: var(--gradient-primary);
    color: var(--bg-white);
    padding: var(--spacing-md);
    text-align: center;
    border-radius: 20px 20px 0 0;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

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

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 500;
}

.price-special {
    color: var(--accent-color);
}

.price-original {
    font-size: 1.2rem;
    color: var(--text-light);
    text-decoration: line-through;
    margin-bottom: 0.5rem;
}

.price-detail {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.discount-badge {
    background: var(--accent-color);
    color: var(--bg-white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-left: 0.5rem;
}

.price-features {
    text-align: left;
}

.price-features li {
    padding: 0.5rem 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price-features i {
    color: var(--success-color);
}

.schedule-section,
.benefits-section {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
}

.benefits-main {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.kosodate-card-image {
    flex-shrink: 0;
    width: 300px;
}

.kosodate-card-image img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.benefits-content {
    flex: 1;
}

.benefits-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.schedule-section h3,
.benefits-section h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.schedule-item {
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
}

.schedule-day {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.schedule-time {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.schedule-time span {
    background: var(--bg-white);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.benefit-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 15px;
    transition: var(--transition-normal);
}

.benefit-item:hover {
    background: var(--gradient-secondary);
    transform: scale(1.05);
}

.benefit-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.benefit-item h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.benefit-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 特典ハイライト */
.benefit-highlight {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 15px;
    transition: var(--transition-normal);
}

.benefit-highlight:hover {
    background: linear-gradient(135deg, #fff4e6 0%, #ffe0b2 100%);
    transform: translateX(5px);
}

.benefit-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.benefit-text {
    flex: 1;
}

.benefit-text h5 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.benefit-text p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.strike {
    text-decoration: line-through;
    color: #999;
}

.price-red {
    color: #e53935;
    font-size: 1.3rem;
    font-weight: 700;
}
}

/* ========================
   無料体験レッスンセクション
   ======================== */
.trial {
    background: var(--bg-white);
}

.trial-info-card {
    background: var(--gradient-primary);
    color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-lg);
}

.trial-info-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.trial-info-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.trial-info-card h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.trial-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.trial-detail-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    text-align: left;
    background: rgba(255,255,255,0.1);
    padding: var(--spacing-md);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.trial-detail-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-top: 0.25rem;
}

.trial-detail-item strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.trial-detail-item p {
    font-size: 1rem;
    opacity: 0.95;
}

.trial-note-text {
    background: rgba(255,255,255,0.15);
    padding: var(--spacing-md);
    border-radius: 15px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

/* ========================
   フォーム
   ======================== */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.form-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.google-form-container {
    text-align: center;
}

.form-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.form-note {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--bg-light);
    border-radius: 10px;
}

.contact-alternative {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px dashed var(--border-color);
}

.alternative-title {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.alternative-methods {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.alternative-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-light);
    color: var(--primary-color);
    border-radius: 10px;
    font-weight: 600;
    transition: var(--transition-normal);
}

.alternative-link:hover {
    background: var(--primary-color);
    color: var(--bg-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.required {
    color: var(--accent-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0,102,204,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-submit {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* ========================
   よくある質問セクション
   ======================== */
.faq {
    background: var(--bg-light);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    margin-bottom: var(--spacing-md);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================
   アクセスセクション
   ======================== */
.access {
    background: var(--bg-white);
}

.access-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.access-info {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.access-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.access-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.access-item {
    display: flex;
    gap: var(--spacing-sm);
}

.access-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.access-item strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.access-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.access-item a {
    color: var(--primary-color);
    text-decoration: underline;
}

.access-item a:hover {
    color: var(--primary-dark);
}

.access-landmark {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.access-hours {
    font-size: 0.9rem;
    color: var(--text-light);
}

.map-container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-container iframe {
    display: block;
}

.map-note {
    background: var(--bg-light);
    padding: var(--spacing-sm);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.about-alc {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.about-alc h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.about-alc p {
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

/* ========================
   お問い合わせセクション
   ======================== */
.contact {
    background: var(--bg-light);
}

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

.contact-method {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
}

.contact-method:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.contact-method h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.contact-method-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-method-value a {
    color: var(--primary-color);
}

.contact-method-value a:hover {
    text-decoration: underline;
}

.contact-method-note {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ========================
   フッター
   ======================== */
.footer {
    background: var(--text-primary);
    color: var(--bg-white);
    padding: var(--spacing-lg) var(--spacing-md) 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-section h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

.footer-section p {
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--secondary-color);
}

.footer-section i {
    margin-right: 0.5rem;
    color: var(--secondary-color);
}

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

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

/* ========================
   トップに戻るボタン
   ======================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--bg-white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ========================
   レスポンシブデザイン
   ======================== */
@media (max-width: 1024px) {
    .teacher-card {
        grid-template-columns: 1fr;
    }
    
    .teacher-image {
        justify-content: center;
    }
    
    .access-grid {
        grid-template-columns: 1fr;
    }
    
    /* タブレットでは特長を2×2に */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* ヘッダー */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--bg-white);
        box-shadow: var(--shadow-xl);
        transition: var(--transition-normal);
        z-index: 1001;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .nav.show {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
        align-items: flex-start;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-sm) 0;
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-close {
        display: block;
        position: absolute;
        top: 1rem;
        right: 1rem;
    }
    
    .nav-toggle {
        display: block;
    }
    
    /* キャンペーンバナー */
    .campaign-banner {
        padding: var(--spacing-sm) 0;
    }
    
    .campaign-image {
        border-radius: 10px;
    }
    
    /* ヒーロー */
    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .hero-content-wrapper {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-recruitment {
        width: 100%;
        max-width: 500px;
        padding-top: 0;
        order: unset !important;
    }
    
    .hero-recruitment-left,
    .hero-recruitment-right {
        flex-direction: row;
        gap: var(--spacing-sm);
    }
    
    .hero-content {
        order: unset !important;
    }
    
    .recruitment-box {
        flex: 1;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-trial-box {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .hero-trial-box h3 {
        font-size: 1.4rem;
    }
    
    .trial-date {
        font-size: 1.2rem;
    }
    
    .trial-time {
        font-size: 1rem;
    }
    
    /* セクション */
    section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* グリッド */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid,
    .curriculum-grid,
    .schedule-grid,
    .benefits-grid,
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    /* 特典セクション - スマホ対応 */
    .benefits-main {
        flex-direction: column;
    }
    
    .kosodate-card-image {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    /* 講師カード */
    .teacher-photo {
        width: 200px;
        height: 200px;
        font-size: 4rem;
    }
    
    /* フォーム */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* フッター */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1rem;
    }
    
    .logo-sub {
        font-size: 0.75rem;
    }
    
    .hero-title {
        font-size: 1.6rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    /* スマホでは全て1カラム */
    .features-grid,
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .teacher-photo {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }
    
    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}