/* ==========================================
   リセット & 基本設定
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット */
    --primary-color: #FF6B35;
    --secondary-color: #004E89;
    --accent-color: #FFB627;
    --text-dark: #1A1A1A;
    --text-gray: #4A4A4A;
    --text-light: #6B6B6B;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --success-color: #28A745;
    --border-color: #E0E0E0;
    
    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #FF8F6F 100%);
    --gradient-secondary: linear-gradient(135deg, #004E89 0%, #1A7EBD 100%);
    --gradient-accent: linear-gradient(135deg, #FFB627 0%, #FFD56F 100%);
    
    /* シャドウ */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.15);
    
    /* フォント */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-accent: 'Poppins', sans-serif;
    
    /* スペーシング */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

/* ==========================================
   ヘッダー
   ========================================== */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 20px 0;
}

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

.logo {
    font-size: 24px;
    font-weight: 900;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

.btn-header {
    background: var(--gradient-primary);
    color: var(--bg-white);
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

/* ==========================================
   ヒーローセクション
   ========================================== */
.hero {
    position: relative;
    padding: 60px 0 80px;
    text-align: center;
    overflow: hidden;
    min-height: 600px;
}

/* 背景画像 */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-bg-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(255, 245, 240, 0.95) 0%, rgba(255, 232, 220, 0.92) 100%);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-accent);
    color: var(--text-dark);
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.hero-badge i {
    font-size: 18px;
}

.hero-title {
    font-size: 48px;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 40px;
}

.hero-text {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 16px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-md);
}

.hero-question {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 24px;
    line-height: 1.8;
}

.hero-imagine {
    font-size: 18px;
    color: var(--text-dark);
    line-height: 1.9;
}

.hero-imagine strong {
    color: var(--primary-color);
    font-size: 22px;
    font-weight: 900;
}

/* ボタンスタイル */
.btn-primary {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--bg-white);
    padding: 18px 48px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 900;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    border: none;
    cursor: pointer;
}

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

.btn-primary i {
    margin-right: 8px;
}

.btn-large {
    font-size: 20px;
    padding: 20px 60px;
}

.btn-pulse {
    animation: pulse 2s infinite;
}

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

.hero-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-white);
    padding: 12px 24px;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
}

.feature-item i {
    font-size: 24px;
    color: var(--primary-color);
}

.feature-item span {
    font-weight: 700;
    font-size: 15px;
    color: var(--text-dark);
}

/* ==========================================
   問題提起セクション
   ========================================== */
.problem {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.section-title {
    font-size: 36px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-dark);
    line-height: 1.4;
}

.section-title i {
    color: var(--accent-color);
    margin-right: 8px;
}

.section-title .subtitle {
    display: block;
    font-size: 20px;
    color: var(--primary-color);
    margin-top: 8px;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.problem-card {
    background: var(--bg-light);
    padding: 32px 24px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.problem-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.problem-card p {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.6;
}

.problem-text {
    text-align: center;
    margin-bottom: 48px;
}

.problem-text p {
    font-size: 20px;
    color: var(--text-gray);
    line-height: 1.9;
}

.problem-text strong {
    color: var(--primary-color);
    font-weight: 900;
}

.solution-box {
    background: linear-gradient(135deg, #E8F4F8 0%, #D4E8F0 100%);
    padding: 48px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.solution-box h3 {
    font-size: 28px;
    font-weight: 900;
    color: var(--secondary-color);
    margin-bottom: 16px;
    line-height: 1.5;
}

.solution-box p {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 32px;
}

.solution-box strong {
    color: var(--primary-color);
    font-weight: 900;
}

.solution-highlight {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 16px;
    border-left: 6px solid var(--primary-color);
}

.solution-highlight p {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
    line-height: 1.7;
}

/* ==========================================
   選ばれる理由セクション
   ========================================== */
.reasons {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.reason-cards {
    display: grid;
    gap: 32px;
}

.reason-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

/* 理由画像 */
.reason-image {
    width: calc(100% + 80px);
    margin: -40px -40px 24px -40px;
    height: 200px;
    overflow: hidden;
}

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

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

.reason-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.reason-number {
    position: absolute;
    top: -20px;
    left: 40px;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 900;
    box-shadow: var(--shadow-md);
}

.reason-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 16px;
    text-align: center;
}

.reason-title {
    font-size: 24px;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 16px;
    text-align: center;
    line-height: 1.5;
}

.reason-text {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 24px;
    line-height: 1.9;
}

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

.reason-highlight {
    background: linear-gradient(135deg, #FFF5F0 0%, #FFE8DC 100%);
    padding: 20px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.8;
}

.reason-highlight i {
    color: var(--primary-color);
    margin-right: 8px;
}

.reason-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 2px solid var(--border-color);
}

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

.stat-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
    font-weight: 700;
}

/* ==========================================
   レッスン紹介セクション
   ========================================== */
.classes {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.class-card {
    background: var(--bg-light);
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* クラス画像 */
.class-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

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

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

.class-card .class-header,
.class-card .class-schedule,
.class-card .class-note,
.class-card .class-description,
.class-card .class-requirement,
.class-card .class-features {
    padding: 0 32px;
}

.class-card .class-header {
    padding-top: 32px;
}

.class-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.class-card.featured {
    background: linear-gradient(135deg, #FFF5F0 0%, #FFE8DC 100%);
    border: 3px solid var(--primary-color);
}

.class-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gradient-primary);
    color: var(--bg-white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 900;
    box-shadow: var(--shadow-sm);
}

.class-header {
    text-align: center;
    margin-bottom: 24px;
}

.class-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.class-name {
    font-size: 24px;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.4;
}

.class-schedule {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--bg-white);
    padding: 12px 24px;
    border-radius: 50px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}

.class-schedule i {
    color: var(--primary-color);
    font-size: 18px;
}

.class-schedule span {
    font-size: 15px;
    color: var(--text-dark);
}

.class-schedule strong {
    font-weight: 900;
}

.class-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent-color);
    padding: 8px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.class-note i {
    color: var(--text-dark);
    font-size: 16px;
}

.class-note span {
    font-size: 13px;
    color: var(--text-dark);
    font-weight: 700;
}

.class-description {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 24px;
}

.class-requirement {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #FFF3CD;
    border: 2px solid #FFB627;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 24px;
}

.class-requirement i {
    color: #FF6B35;
    font-size: 18px;
}

.class-requirement strong {
    font-size: 14px;
    color: var(--text-dark);
}

.class-features {
    display: grid;
    gap: 12px;
    padding-bottom: 32px;
}

.class-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-white);
    padding: 12px 16px;
    border-radius: 8px;
    margin: 0 32px;
}

.class-card .class-features {
    padding: 0 0 32px 0;
}

.class-card.featured .class-feature {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.class-feature i {
    color: var(--success-color);
    font-size: 18px;
    flex-shrink: 0;
}

.class-feature span {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 700;
}

/* ==========================================
   保護者の声セクション
   ========================================== */
.testimonials {
    padding: var(--section-padding);
    background: var(--bg-white);
}

/* レッスン風景画像 */
.testimonial-scene-image {
    max-width: 1000px;
    margin: 0 auto 48px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.testimonial-scene-image img {
    width: 100%;
    height: auto;
    display: block;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.testimonial-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.testimonial-stars {
    color: var(--accent-color);
    font-size: 18px;
}

.testimonial-author {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 700;
}

.testimonial-title {
    font-size: 18px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 12px;
    line-height: 1.5;
}

.testimonial-text {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
}

.testimonial-summary {
    display: flex;
    justify-content: space-around;
    background: linear-gradient(135deg, #FFF5F0 0%, #FFE8DC 100%);
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
}

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

.summary-number {
    font-size: 42px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.summary-label {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 700;
}

/* ==========================================
   特典セクション
   ========================================== */
.offer {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #004E89 0%, #1A7EBD 100%);
}

.offer-box {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.offer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-color);
    color: var(--text-dark);
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 24px;
}

.offer-badge i {
    font-size: 18px;
}

.offer-title {
    font-size: 36px;
    font-weight: 900;
    color: var(--bg-white);
    margin-bottom: 48px;
}

.offer-content {
    display: grid;
    gap: 24px;
}

.offer-item {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 16px;
    display: flex;
    align-items: flex-start;
    gap: 24px;
    text-align: left;
    transition: all 0.3s ease;
}

.offer-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.offer-item.special {
    background: linear-gradient(135deg, #FFB627 0%, #FFD56F 100%);
}

.offer-icon {
    font-size: 36px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.offer-item.special .offer-icon {
    color: var(--secondary-color);
}

.offer-text h4 {
    font-size: 20px;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.offer-text p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.7;
}

.price-highlight {
    color: var(--primary-color);
    font-size: 22px;
    font-weight: 900;
}

.offer-item.special .price-highlight {
    color: var(--secondary-color);
}

/* ==========================================
   緊急性セクション
   ========================================== */
.urgency {
    padding: 60px 0;
    background: var(--bg-light);
}

.urgency-box {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 48px;
    border-radius: 24px;
    border: 4px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.urgency-icon {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 24px;
    animation: shake 2s infinite;
}

@keyframes shake {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

.urgency-title {
    font-size: 32px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 16px;
    line-height: 1.5;
}

.urgency-text {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 32px;
    line-height: 1.8;
}

.urgency-text strong {
    color: var(--primary-color);
    font-weight: 900;
}

.urgency-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.urgency-stat {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-light);
    padding: 12px 24px;
    border-radius: 50px;
}

.urgency-stat i {
    font-size: 24px;
    color: var(--primary-color);
}

.urgency-stat span {
    font-weight: 700;
    color: var(--text-dark);
}

/* ==========================================
   CTAセクション（Googleフォーム埋め込み）
   ========================================== */
.cta {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.cta-box {
    max-width: 900px;
    margin: 0 auto;
}

.cta-title {
    font-size: 40px;
    font-weight: 900;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 18px;
    color: var(--text-gray);
    text-align: center;
    margin-bottom: 48px;
}

.google-form-container {
    background: var(--bg-light);
    padding: 24px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.google-form-container iframe {
    border-radius: 16px;
    background: var(--bg-white);
}

.cta-note {
    margin-top: 24px;
    text-align: center;
}

.cta-note p {
    font-size: 14px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.cta-note i {
    color: var(--success-color);
}

/* ==========================================
   レッスン会場セクション
   ========================================== */
.venue {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.venue-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.venue-info {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
}

/* 会場写真 */
.venue-photo {
    width: calc(100% + 80px);
    margin: -40px -40px 24px -40px;
    height: 250px;
    overflow: hidden;
    border-radius: 24px 24px 0 0;
}

.venue-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.venue-name {
    margin-bottom: 24px;
}

.venue-name h3 {
    font-size: 32px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.venue-address {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: var(--bg-light);
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.venue-address i {
    color: var(--primary-color);
    font-size: 20px;
    margin-top: 2px;
}

.venue-address span {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.6;
}

.venue-features {
    display: grid;
    gap: 16px;
}

.venue-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-light);
    border-radius: 8px;
}

.venue-feature i {
    color: var(--success-color);
    font-size: 20px;
}

.venue-feature span {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
}

.venue-map {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    height: 400px;
}

.venue-access {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
}

.venue-access h4 {
    font-size: 24px;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.venue-access h4 i {
    color: var(--primary-color);
}

.venue-access ul {
    list-style: none;
}

.venue-access li {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 16px;
    padding-left: 24px;
    position: relative;
    line-height: 1.8;
}

.venue-access li:before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 12px;
}

.venue-access li strong {
    color: var(--text-dark);
    font-weight: 700;
}

/* ==========================================
   指導者紹介セクション
   ========================================== */
.instructor {
    padding: var(--section-padding);
    background: var(--bg-light);
}

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

.instructor-info {
    background: var(--bg-white);
    padding: 48px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
}

/* 講師プロフィール写真 */
.instructor-photo {
    width: 200px;
    height: 200px;
    margin: 0 auto 24px;
    border-radius: 50%;
    overflow: hidden;
    border: 6px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.instructor-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* 成果写真 */
.instructor-achievement-photo {
    width: 100%;
    margin: 24px 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.instructor-achievement-photo img {
    width: 100%;
    height: auto;
    display: block;
}

.instructor-name {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 8px;
    text-align: center;
}

.instructor-title {
    font-size: 18px;
    color: var(--text-gray);
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
}

.instructor-credentials {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.credential-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-light);
    padding: 10px 20px;
    border-radius: 50px;
}

.credential-item i {
    font-size: 20px;
    color: var(--primary-color);
}

.credential-item span {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
}

.instructor-bio {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 32px;
}

.instructor-achievements h4 {
    font-size: 20px;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.instructor-achievements ul {
    list-style: none;
}

.instructor-achievements li {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.instructor-achievements li i {
    color: var(--success-color);
    font-size: 18px;
}

/* ==========================================
   最終CTAセクション
   ========================================== */
.final-cta {
    padding: 80px 0;
    background: var(--gradient-primary);
    text-align: center;
}

.final-cta-title {
    font-size: 42px;
    font-weight: 900;
    color: var(--bg-white);
    margin-bottom: 24px;
    line-height: 1.4;
}

.final-cta-text {
    font-size: 20px;
    color: var(--bg-white);
    margin-bottom: 40px;
    line-height: 1.8;
}

.final-cta .btn-primary {
    background: var(--bg-white);
    color: var(--primary-color);
}

.final-cta .btn-primary:hover {
    background: var(--bg-light);
}

/* ==========================================
   フッター
   ========================================== */
.footer {
    background: var(--text-dark);
    color: var(--bg-white);
    padding: 48px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-bottom: 32px;
}

.footer-info h3 {
    font-size: 24px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.footer-info p {
    font-size: 14px;
    color: var(--bg-light);
    line-height: 1.8;
    margin-bottom: 8px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--bg-light);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-light);
}

/* ==========================================
   ページトップボタン
   ========================================== */
.page-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    color: var(--bg-white);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.page-top.visible {
    opacity: 1;
    visibility: visible;
}

.page-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ==========================================
   レスポンシブデザイン
   ========================================== */
.sp-only {
    display: none;
}

/* タブレット */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
        --container-padding: 0 16px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .hero-question {
        font-size: 18px;
    }

    .hero-imagine {
        font-size: 16px;
    }

    .hero-imagine strong {
        font-size: 19px;
    }

    .section-title {
        font-size: 30px;
    }

    .btn-large {
        font-size: 18px;
        padding: 18px 40px;
    }

    .hero-features {
        gap: 16px;
    }

    .feature-item {
        font-size: 14px;
    }

    .problem-grid {
        grid-template-columns: 1fr;
    }

    .solution-box {
        padding: 32px 24px;
    }

    .solution-box h3 {
        font-size: 24px;
    }

    .solution-box p {
        font-size: 18px;
    }

    .solution-highlight p {
        font-size: 19px;
    }

    .reason-card {
        padding: 32px 24px;
    }

    .reason-stats {
        flex-direction: column;
        gap: 16px;
    }

    .classes-grid {
        grid-template-columns: 1fr;
    }

    .class-image {
        height: 200px;
    }

    .reason-image {
        height: 180px;
    }

    .venue-photo {
        height: 200px;
    }

    .instructor-photo {
        width: 150px;
        height: 150px;
    }

    .testimonial-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-summary {
        flex-direction: column;
        gap: 24px;
    }

    .offer-item {
        flex-direction: column;
        text-align: center;
    }

    .urgency-box {
        padding: 32px 24px;
    }

    .urgency-title {
        font-size: 26px;
    }

    .google-form-container {
        padding: 16px;
    }

    .venue-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .venue-info {
        padding: 32px 24px;
    }

    .venue-access {
        padding: 32px 24px;
    }

    .instructor-info {
        padding: 32px 24px;
    }

    .instructor-credentials {
        flex-direction: column;
    }

    .final-cta-title {
        font-size: 32px;
    }

    .final-cta-text {
        font-size: 18px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .page-top {
        bottom: 20px;
        right: 20px;
        width: 48px;
        height: 48px;
    }

    .sp-only {
        display: inline;
    }
}

/* スマートフォン */
@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-text {
        padding: 24px 16px;
    }

    .section-title {
        font-size: 26px;
    }

    .btn-large {
        font-size: 16px;
        padding: 16px 32px;
    }

    .hero-features {
        flex-direction: column;
    }

    .class-card .class-header,
    .class-card .class-schedule,
    .class-card .class-note,
    .class-card .class-description,
    .class-card .class-requirement {
        padding-left: 24px;
        padding-right: 24px;
    }

    .class-feature {
        margin: 0 24px;
    }

    .class-image {
        height: 180px;
    }

    .offer-title {
        font-size: 28px;
    }

    .cta-title {
        font-size: 32px;
    }

    .google-form-container {
        padding: 12px;
    }

    .google-form-container iframe {
        height: 1400px;
    }

    .venue-info {
        padding: 24px 20px;
    }

    .venue-name h3 {
        font-size: 26px;
    }

    .venue-access {
        padding: 24px 20px;
    }

    .urgency-title {
        font-size: 22px;
    }

    .urgency-stats {
        flex-direction: column;
        gap: 16px;
    }

    .final-cta-title {
        font-size: 26px;
    }

    .logo {
        font-size: 20px;
    }

    .btn-header {
        font-size: 13px;
        padding: 10px 20px;
    }
}