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

:root {
    --primary-color: #e63946;
    --secondary-color: #f77f00;
    --accent-color: #06d6a0;
    --dark-color: #1d3557;
    --light-color: #f1faee;
    --text-color: #333;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    color: var(--text-color);
    background-color: #fff;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   ヘッダー
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav a:not(.cta-button-small):hover {
    color: var(--primary-color);
}

.nav a:not(.cta-button-small)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav a:not(.cta-button-small):hover::after {
    width: 100%;
}

.cta-button-small {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 700;
    transition: var(--transition);
}

.cta-button-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
}

/* ========================================
   ヒーローセクション
======================================== */
.hero {
    margin-top: 80px;
    padding: 100px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,106.7C1248,96,1344,96,1392,96L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    margin-bottom: 30px;
}

.hero-title-main {
    display: block;
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 15px;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.hero-title-sub {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    line-height: 2;
    opacity: 0.95;
}

.hero-price {
    background: white;
    color: var(--text-color);
    padding: 30px;
    border-radius: var(--border-radius);
    margin: 40px auto;
    max-width: 700px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.price-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.price-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.price-original {
    font-size: 1.5rem;
    text-decoration: line-through;
    color: #999;
}

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

.price-special {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.price-save {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: 10px;
}

.hero-cta {
    margin-top: 40px;
}

.cta-button-large {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 20px 50px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.3);
}

.cta-button-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(230, 57, 70, 0.4);
}

.cta-button-large i {
    margin-right: 10px;
}

.hero-cta-note {
    margin-top: 15px;
    font-size: 0.9rem;
    opacity: 0.9;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    animation: bounce 2s infinite;
}

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

/* ========================================
   問題提起セクション
======================================== */
.problems {
    padding: 100px 0;
    background: linear-gradient(to bottom, #f8f9fa, white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 60px;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.problem-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: var(--transition);
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.problem-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.problem-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.problem-card p {
    color: #666;
    line-height: 1.8;
}

.problems-solution {
    text-align: center;
    margin-top: 60px;
}

.problems-solution-text {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 25px 40px;
    border-radius: 50px;
    font-size: 1.3rem;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.3);
}

.problems-solution-text i {
    margin-right: 10px;
}

/* ========================================
   特徴セクション
======================================== */
.features {
    padding: 100px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: linear-gradient(to bottom right, #f8f9fa, white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.feature-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(230, 57, 70, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

/* ========================================
   学習メソッドセクション
======================================== */
.methodology {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.methodology .section-title,
.methodology .section-title::after {
    color: white;
}

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

.methodology-content {
    display: grid;
    gap: 30px;
}

.method-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.method-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.method-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.method-header i {
    font-size: 2rem;
    color: var(--accent-color);
}

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

.method-item p {
    line-height: 2;
    opacity: 0.95;
}

.method-item strong {
    color: var(--accent-color);
    font-weight: 700;
}

/* ========================================
   カリキュラムセクション
======================================== */
.curriculum {
    padding: 100px 0;
    background: linear-gradient(to bottom, white, #f8f9fa);
}

.curriculum-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.curriculum-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: var(--transition);
}

.curriculum-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.curriculum-icon {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.curriculum-card h3 {
    font-size: 1.8rem;
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    color: var(--dark-color);
}

.curriculum-detail {
    padding: 30px;
}

.curriculum-detail p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.curriculum-detail strong {
    color: var(--primary-color);
}

.curriculum-detail ul {
    list-style: none;
    margin-top: 20px;
}

.curriculum-detail li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #666;
}

.curriculum-detail li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
}

.curriculum-timeline {
    margin-top: 80px;
}

.curriculum-timeline h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 60px;
    color: var(--dark-color);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color), var(--accent-color));
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 50px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-marker {
    flex: 0 0 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.timeline-marker span {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 5px 20px rgba(230, 57, 70, 0.3);
    z-index: 1;
}

.timeline-content {
    flex: 0 0 50%;
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.timeline-content h4 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.timeline-content p {
    color: #666;
    line-height: 1.8;
}

/* ========================================
   詳細スケジュール
======================================== */
.schedule-detail {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 2px solid #eee;
}

.schedule-detail h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--dark-color);
}

.schedule-info {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    margin-bottom: 40px;
}

.schedule-overview {
    font-size: 1.1rem;
    line-height: 2.2;
    margin-bottom: 30px;
}

.schedule-overview i {
    margin-right: 10px;
    color: var(--accent-color);
}

.schedule-overview strong {
    font-weight: 700;
}

.schedule-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.schedule-accordion {
    background: white;
}

.schedule-month-item {
    margin-bottom: 20px;
    border: 2px solid #eee;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.schedule-month-item:hover {
    border-color: var(--primary-color);
}

.schedule-month-header {
    background: linear-gradient(to right, #f8f9fa, white);
    padding: 20px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.schedule-month-header:hover {
    background: linear-gradient(to right, #e9ecef, #f8f9fa);
}

.schedule-month-header h4 {
    font-size: 1.3rem;
    color: var(--dark-color);
    margin: 0;
}

.schedule-month-header i.fa-calendar {
    margin-right: 10px;
    color: var(--primary-color);
}

.schedule-toggle {
    font-size: 1.2rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.schedule-month-item.active .schedule-toggle {
    transform: rotate(180deg);
}

.schedule-month-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.schedule-month-item.active .schedule-month-content {
    max-height: 5000px;
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    padding: 30px;
    background: #fafafa;
}

.schedule-class {
    background: white;
    padding: 15px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.schedule-class:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.schedule-class .date {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

.schedule-class .subject {
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    color: white;
}

.subject.english {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.subject.math {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.subject.japanese {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.schedule-note {
    margin-top: 30px;
    padding: 25px;
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    border-radius: var(--border-radius);
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.schedule-note i {
    font-size: 1.5rem;
    color: #856404;
    margin-top: 3px;
}

.schedule-note p {
    color: #856404;
    line-height: 1.8;
    margin: 0;
}

.schedule-note strong {
    font-weight: 700;
}

/* ========================================
   サポートセクション
======================================== */
.support {
    padding: 100px 0;
    background: white;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.support-card {
    background: linear-gradient(to bottom right, #f8f9fa, white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 2px solid transparent;
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.support-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.support-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.support-card p {
    color: #666;
    line-height: 1.8;
}

/* ========================================
   料金セクション
======================================== */
.pricing {
    padding: 100px 0;
    background: linear-gradient(to bottom, #f8f9fa, white);
}

.pricing-card {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.pricing-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 40px;
    text-align: center;
}

.pricing-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.pricing-header h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.pricing-duration {
    font-size: 1.2rem;
    opacity: 0.9;
}

.pricing-price {
    padding: 40px;
    background: #f8f9fa;
}

.price-comparison {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.price-original-large {
    font-size: 2rem;
    text-decoration: line-through;
    color: #999;
}

.price-arrow-large {
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: 900;
}

.price-special-large {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-tax-large {
    font-size: 1.2rem;
    color: var(--text-color);
}

.price-save-large {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
}

.pricing-includes {
    padding: 40px;
}

.pricing-includes h4 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--dark-color);
}

.pricing-includes h4 i {
    color: var(--accent-color);
    margin-right: 10px;
}

.pricing-includes ul {
    list-style: none;
}

.pricing-includes li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    color: #666;
    position: relative;
    padding-left: 30px;
}

.pricing-includes li:last-child {
    border-bottom: none;
}

.pricing-includes li i {
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-size: 1.2rem;
}

.pricing-note {
    padding: 30px 40px;
    background: #fff3cd;
    margin: 0 40px;
    border-radius: var(--border-radius);
}

.pricing-note p {
    color: #856404;
    line-height: 1.8;
}

.pricing-note i {
    margin-right: 10px;
}

.pricing-cta {
    padding: 40px;
    text-align: center;
}

/* ========================================
   比較セクション
======================================== */
.comparison {
    padding: 100px 0;
    background: white;
}

.comparison-table {
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.comparison-row {
    display: grid;
    grid-template-columns: 150px 1fr 1fr;
    border-bottom: 1px solid #eee;
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-header-row {
    background: linear-gradient(135deg, var(--dark-color) 0%, #2d5074 100%);
    color: white;
    font-weight: 700;
}

.comparison-header-row .comparison-cell:first-child {
    background: #f8f9fa;
}

.comparison-header-row .comparison-cell.highlight {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.comparison-cell {
    padding: 25px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 10px;
}

.comparison-cell.row-label {
    background: #f8f9fa;
    font-weight: 700;
    color: var(--dark-color);
    justify-content: flex-start;
    align-items: flex-start;
    text-align: left;
}

.comparison-cell.highlight {
    background: linear-gradient(to bottom, #e8f5e9, white);
}

.comparison-cell i {
    font-size: 1.5rem;
}

.comparison-cell .fa-times-circle {
    color: #dc3545;
}

.comparison-cell .fa-check-circle {
    color: var(--accent-color);
}

.comparison-cell p {
    margin: 0;
    color: #666;
}

.comparison-cell.highlight p {
    font-weight: 600;
    color: var(--dark-color);
}

/* ========================================
   FAQセクション
======================================== */
.faq {
    padding: 100px 0;
    background: linear-gradient(to bottom, #f8f9fa, white);
}

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

.faq-item {
    background: white;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.faq-question {
    padding: 25px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question > i:first-child {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.faq-question span {
    flex: 1;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--dark-color);
}

.faq-toggle {
    font-size: 1.2rem;
    color: var(--primary-color);
    transition: var(--transition);
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p {
    padding: 0 30px 25px 75px;
    color: #666;
    line-height: 2;
}

/* ========================================
   早期割延長&科目別プラン
======================================== */
.extension-plans {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

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

.extension-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(255, 107, 107, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

.extension-badge i {
    font-size: 1.4rem;
}

.extension-title {
    font-size: 2.8rem;
    font-weight: 900;
    margin-bottom: 50px;
    color: var(--dark-color);
    line-height: 1.5;
}

.discount-highlight {
    font-size: 3.5rem;
    color: var(--primary-color);
    text-shadow: 0 2px 10px rgba(230, 57, 70, 0.3);
}

.custom-plans {
    background: white;
    padding: 50px;
    border-radius: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.plans-header {
    text-align: center;
    margin-bottom: 40px;
}

.plans-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.plans-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-color);
    line-height: 1.6;
    margin: 0;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.plan-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.plan-card-featured {
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.1) 0%, rgba(241, 39, 17, 0.1) 100%);
    border: 2px solid var(--primary-color);
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.2);
}

.plan-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.plan-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.plan-card p {
    font-size: 1rem;
    color: #666;
    margin: 0;
}

.consultation-cta {
    background: rgba(255, 255, 255, 0.9);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid var(--accent-color);
    max-width: 800px;
    margin: 0 auto;
}

.consultation-text {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
}

/* ========================================
   CTAセクション
======================================== */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 20px;
}

.cta-description {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 40px;
    line-height: 2;
    opacity: 0.95;
}

.seminar-schedule {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: var(--border-radius);
    margin-bottom: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.seminar-schedule h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: white;
}

.seminar-schedule h3 i {
    margin-right: 10px;
    color: var(--accent-color);
}

.seminar-dates {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.seminar-date-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 15px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.seminar-date-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateX(5px);
}

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

.seminar-date-item span {
    font-size: 1rem;
    font-weight: 600;
}

.seminar-note {
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.9;
    margin: 0;
}

.cta-form {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    color: var(--dark-color);
}

.required {
    color: var(--primary-color);
    font-size: 0.8rem;
    background: #ffe8e8;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 5px;
}

.optional {
    color: #999;
    font-size: 0.8rem;
    background: #f8f9fa;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #eee;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Noto Sans JP', sans-serif;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-button {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(230, 57, 70, 0.3);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.4);
}

.submit-button i {
    margin-right: 10px;
}

.form-message {
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
}

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

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

.form-message i {
    font-size: 2rem;
    margin-bottom: 10px;
}

.form-message p {
    margin-top: 10px;
}

.cta-notes {
    margin-top: 30px;
    text-align: center;
}

.cta-notes p {
    color: white;
    opacity: 0.9;
    margin: 10px 0;
    font-size: 0.9rem;
}

.cta-notes i {
    margin-right: 8px;
}

/* ========================================
   フッター
======================================== */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.footer-section p {
    line-height: 1.8;
    opacity: 0.9;
}

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

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-section a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    opacity: 0.7;
}

/* ========================================
   スクロールトップボタン
======================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(230, 57, 70, 0.3);
    z-index: 999;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.4);
}

/* ========================================
   レスポンシブデザイン
======================================== */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .hero-scroll {
        display: none;
    }
    
    .hero {
        padding-bottom: 60px;
    }
    
    .hero-title-main {
        font-size: 2rem;
    }
    
    .hero-title-sub {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .price-container {
        flex-direction: column;
        gap: 10px;
    }
    
    .price-arrow {
        transform: rotate(90deg);
    }
    
    .price-special {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .curriculum-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        flex-direction: row;
        padding-left: 80px;
        margin-bottom: 40px;
    }
    
    .timeline-marker {
        position: absolute;
        left: 0;
        flex: none;
        width: 60px;
    }
    
    .timeline-marker span {
        font-size: 0.8rem;
        padding: 8px 12px;
        white-space: nowrap;
    }
    
    .timeline-content {
        flex: 1;
        margin-left: 20px;
    }
    
    .timeline-content h4 {
        font-size: 1.2rem;
    }
    
    .timeline-content p {
        font-size: 0.9rem;
    }
    
    .comparison-row {
        grid-template-columns: 1fr;
    }
    
    .comparison-cell.row-label {
        background: linear-gradient(135deg, var(--dark-color) 0%, #2d5074 100%);
        color: white;
        font-weight: 700;
    }
    
    .price-special-large {
        font-size: 3rem;
    }
    
    .cta-form {
        padding: 25px;
    }
    
    .schedule-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .schedule-grid {
        grid-template-columns: 1fr;
    }
    
    .seminar-dates {
        grid-template-columns: 1fr;
    }
    
    .extension-title {
        font-size: 2rem;
    }
    
    .discount-highlight {
        font-size: 2.5rem;
    }
    
    .custom-plans {
        padding: 30px;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .plans-header h3 {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0 40px;
    }
    
    .hero-title-main {
        font-size: 1.5rem;
    }
    
    .hero-title-sub {
        font-size: 1rem;
    }
    
    .price-special {
        font-size: 2rem;
    }
    
    .price-special-large {
        font-size: 2.5rem;
    }
    
    .cta-button-large {
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .problems-grid,
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .schedule-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .schedule-class {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .seminar-schedule {
        padding: 20px;
    }
    
    .seminar-schedule h3 {
        font-size: 1.2rem;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 70px;
    }
    
    .extension-title {
        font-size: 1.5rem;
    }
    
    .discount-highlight {
        font-size: 2rem;
    }
    
    .custom-plans {
        padding: 20px;
    }
    
    .plans-header i {
        font-size: 2rem;
    }
    
    .plans-header h3 {
        font-size: 1.2rem;
    }
    
    .plan-card {
        padding: 20px;
    }
    
    .plan-card i {
        font-size: 2rem;
    }
    
    .consultation-text {
        font-size: 1.1rem;
    }
    
    .highlight-price {
        font-size: 1.8rem;
    }
    
    .early-bird-note {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 70px;
    }
    
    .timeline-marker {
        width: 50px;
    }
    
    .timeline-marker span {
        font-size: 0.7rem;
        padding: 6px 8px;
    }
    
    .timeline-content {
        margin-left: 15px;
    }
    
    .timeline-content h4 {
        font-size: 1rem;
    }
    
    .timeline-content p {
        font-size: 0.85rem;
    }
}