/* ========================================
   Variables
======================================== */
:root {
    /* Primary Colors */
    --primary-color: #1a3a7b;
    --primary-dark: #142d5f;
    --primary-light: #2a4a8b;
    
    /* Secondary Colors */
    --secondary-color: #d63447;
    --secondary-hover: #c42d3f;
    --secondary-light: #e64557;
    
    /* CTA Colors (Pink) */
    --cta-pink: #ff1493;
    --cta-pink-hover: #e6137f;
    --cta-pink-light: #ff69b4;
    
    /* Text Colors */
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --text-white: #ffffff;
    
    /* Background Colors */
    --bg-light: #f8f9fa;
    --bg-gray: #e9ecef;
    --bg-dark: #343a40;
    --white: #ffffff;
    
    /* Shadows */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 5px 20px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-cta: 0 5px 15px rgba(255, 20, 147, 0.4);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1a3a7b 0%, #2a4a8b 100%);
    --gradient-hero: linear-gradient(135deg, #142d5f 0%, #1a3a7b 50%, #2a4a8b 100%);
    --gradient-cta: linear-gradient(135deg, #ff1493 0%, #ff69b4 100%);
    --gradient-final-cta: linear-gradient(135deg, #8b0000 0%, #dc143c 100%);
    
    /* Spacing */
    --section-padding: 100px 0;
    --section-padding-mobile: 60px 0;
    
    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Base Styles
======================================== */
body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1.6rem;
    line-height: 1.7;
    color: var(--text-dark);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

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

.section-title {
    font-size: 3.6rem;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 700;
    color: var(--text-dark);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-cta);
    border-radius: 2px;
}

/* ========================================
   Animations
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: var(--shadow-cta);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 8px 25px rgba(214, 52, 71, 0.6);
    }
    100% {
        transform: scale(1);
        box-shadow: var(--shadow-cta);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Header
======================================== */
.header {
    background: var(--white);
    box-shadow: var(--shadow-light);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition-base);
}

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

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Noto Serif JP', serif;
    transition: var(--transition-base);
}

.logo:hover {
    color: var(--primary-light);
}

.nav-list {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-list a {
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition-base);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-base);
}

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

.nav-cta {
    background: var(--gradient-cta);
    color: var(--white) !important;
    padding: 12px 28px;
    border-radius: 30px;
    transition: var(--transition-base);
    box-shadow: var(--shadow-light);
}

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

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* ========================================
   Hero Section
======================================== */
/* Hero & Empathy Combined Section */
.hero-empathy {
    margin-top: 80px;
    min-height: 80vh;
    background: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.3) 40%, rgba(0, 0, 0, 0.5) 100%), 
                url('../images/hero/success-student.jpg') left center/contain no-repeat;
    background-color: #f5f5f5;
    position: relative;
    display: flex;
    align-items: center;
    padding: 60px 0;
}

.hero-empathy .container {
    display: flex;
    justify-content: flex-end;
    width: 100%;
    max-width: 100%;
    padding: 0 40px;
}

.empathy-content {
    padding: 60px 80px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 20px;
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 50vw;
    max-width: none;
    margin-right: 0;
    min-width: 600px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.empathy-title {
    font-size: 3rem;
    margin-bottom: 40px;
    color: var(--text-dark);
    font-weight: 700;
    position: relative;
    padding-bottom: 20px;
}

.empathy-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient-cta);
    border-radius: 2px;
}


.hero-title {
    font-size: 6rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 2.2rem;
    margin-bottom: 50px;
    opacity: 0.95;
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    background: var(--gradient-cta);
    color: var(--white);
    padding: 20px 50px;
    border-radius: 50px;
    font-size: 1.9rem;
    font-weight: 700;
    transition: var(--transition-base);
    box-shadow: var(--shadow-cta);
    animation: pulse 2s infinite;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-button:hover {
    animation: none;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 20, 147, 0.5);
}


/* ========================================
   Empathy Section
======================================== */

.worry-list {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 25px;
}

.worry-item {
    background: rgba(255, 255, 255, 0.7);
    padding: 25px 30px;
    border-radius: 15px;
    font-size: 1.8rem;
    position: relative;
    padding-left: 70px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-left: 4px solid var(--secondary-color);
    cursor: pointer;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

.worry-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(214, 52, 71, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.worry-item:hover::after {
    transform: translateX(100%);
}

.worry-item:hover {
    box-shadow: 0 8px 25px rgba(214, 52, 71, 0.15);
    border-left-width: 8px;
}

.worry-item::before {
    content: "😟";
    position: absolute;
    left: 20px;
    font-size: 2rem;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
}

.worry-item:hover::before {
    transform: translateY(-50%) scale(1.2) rotate(-10deg);
}

/* ========================================
   Challenge Section
======================================== */
.challenge {
    padding: var(--section-padding);
    background: var(--white);
}

.challenge-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    margin-top: 80px;
}

.challenge-item {
    text-align: center;
    padding: 40px 30px;
    border-radius: 20px;
    background: var(--bg-light);
    transition: var(--transition-base);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--bg-gray);
}

.challenge-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    background: var(--white);
}

.challenge-icon {
    font-size: 4.5rem;
    margin-bottom: 30px;
    display: inline-block;
    transition: var(--transition-base);
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.challenge-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.1;
    border-radius: 50%;
    z-index: -1;
    transition: var(--transition-base);
}

.challenge-item:hover .challenge-icon {
    background: linear-gradient(45deg, var(--secondary-color), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: scale(1.1) rotate(5deg);
}

.challenge-item:hover .challenge-icon::after {
    opacity: 0.2;
    transform: translate(-50%, -50%) scale(1.2);
}

.challenge-item h4 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-weight: 600;
}

.challenge-item p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.6rem;
}

/* ========================================
   Solution Section
======================================== */
.solution {
    background: var(--white);
    padding: var(--section-padding);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
}

.solution-item {
    background: var(--bg-light);
    padding: 50px 35px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    transition: var(--transition-base);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--bg-gray);
    border-top: 5px solid var(--primary-color);
}

.solution-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.solution-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 30px;
    box-shadow: var(--shadow-medium);
}

.solution-item h4 {
    font-size: 2.4rem;
    margin-bottom: 20px;
    color: var(--text-dark);
    font-weight: 600;
}

.solution-item p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.6rem;
}

/* ========================================
   Results Section
======================================== */
.results {
    background: var(--bg-gray);
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
}

.results::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.05;
    border-radius: 50%;
}

.results-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.result-main {
    text-align: center;
    animation: pulse 3s infinite;
    position: relative;
}

.result-main::before {
    content: '\f201';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 6rem;
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.8;
}

/* 実績の証拠モックアップ */
.evidence-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.document-mockup {
    width: 100%;
    height: 180px;
    background-color: var(--white);
    border: 2px solid var(--bg-gray);
    border-radius: 10px;
    box-shadow: var(--shadow-medium);
    padding: 25px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-base);
}

.document-mockup:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.document-mockup::before {
    content: '';
    display: block;
    width: 60%;
    height: 12px;
    background-color: var(--bg-gray);
    margin-bottom: 20px;
    border-radius: 3px;
}

.document-mockup .line {
    height: 8px;
    background-color: #f0f0f0;
    margin-bottom: 10px;
    border-radius: 2px;
}

.document-mockup .line:nth-child(2) { width: 85%; }
.document-mockup .line:nth-child(3) { width: 70%; }
.document-mockup .line:nth-child(4) { width: 90%; }

.document-mockup .stamp {
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-size: 2.4rem;
    font-weight: 900;
    color: #4CAF50;
    transform: rotate(-12deg);
    border: 3px solid #4CAF50;
    padding: 8px 16px;
    border-radius: 8px;
    background: rgba(76, 175, 80, 0.1);
}

.document-mockup.judgment .stamp {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
    background: rgba(214, 52, 71, 0.1);
}

/* 成績向上グラフ */
/* Progress Chart Styles */
.progress-chart-container {
    margin: 60px auto;
    max-width: 500px;
    text-align: center;
}

.chart-title {
    font-size: 2.4rem;
    color: var(--primary-color);
    margin-bottom: 40px;
    font-weight: 700;
}

.progress-chart {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    height: 300px;
    background: var(--bg-light);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-medium);
    position: relative;
}

.bar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.bar {
    width: 80px;
    background: var(--gradient-cta);
    border-radius: 10px 10px 0 0;
    position: relative;
    margin-bottom: 20px;
    box-shadow: 0 -5px 20px rgba(255, 20, 147, 0.3);
    transition: all 0.8s ease-out;
}

.summer-bar {
    height: 0;
}

.autumn-bar {
    height: 0;
}

.winter-bar {
    height: 0;
}

/* アニメーション後の高さ */
.summer-bar.active {
    height: 80px;
}

.autumn-bar.active {
    height: 150px;
}

.winter-bar.active {
    height: 250px;
}

.grade-text {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 700;
    color: var(--cta-pink);
    box-shadow: var(--shadow-light);
    font-size: 1.8rem;
    white-space: nowrap;
}

.bar-label {
    font-size: 1.6rem;
    color: var(--text-dark);
    font-weight: 600;
}

/* プログレスバーのパルスアニメーション */
@keyframes pulseShadow {
    0% {
        box-shadow: 0 -5px 20px rgba(255, 20, 147, 0.3);
    }
    50% {
        box-shadow: 0 -5px 30px rgba(139, 195, 74, 0.6);
    }
    100% {
        box-shadow: 0 -5px 20px rgba(255, 20, 147, 0.3);
    }
}

.result-number {
    font-size: 14rem;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
    text-shadow: 3px 3px 0 rgba(26, 58, 123, 0.1);
}

.result-percent {
    font-size: 7rem;
    font-weight: 700;
    color: var(--primary-color);
}

.result-text {
    font-size: 2.6rem;
    margin-top: 30px;
    color: var(--text-dark);
    font-weight: 500;
}

.result-item {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-base);
    border-left: 5px solid var(--secondary-color);
}

.result-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-heavy);
}

.result-item h4 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.result-item p {
    color: var(--text-light);
    font-size: 1.7rem;
}

/* ========================================
   Campus & Teachers Section
======================================== */
.campus-teachers {
    padding: var(--section-padding);
    background: var(--white);
}

.campus-section {
    margin-bottom: 80px;
}

.campus-section h4 {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.campus-image {
    max-width: 800px;
    margin: 0 auto 30px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

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

.campus-section > p {
    text-align: center;
    font-size: 1.8rem;
    color: var(--text-dark);
    max-width: 700px;
    margin: 0 auto;
}

.teachers-section h4 {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
}

.teachers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    max-width: 800px;
    margin: 0 auto;
}

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

.teacher-image {
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    border: 5px solid var(--bg-gray);
}

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

.teacher-item h5 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.teacher-item p {
    font-size: 1.6rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ========================================
   Testimonials Section
======================================== */
.testimonials {
    padding: var(--section-padding);
    background: var(--white);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial-item {
    background: var(--bg-light);
    padding: 50px;
    border-radius: 25px;
    position: relative;
    box-shadow: var(--shadow-light);
    transition: var(--transition-base);
    transform-style: preserve-3d;
    perspective: 1000px;
}

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

.testimonial-avatar {
    font-size: 5rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.8;
}

.testimonial-item::before {
    display: none;
}

.testimonial-content p:first-child {
    font-size: 1.9rem;
    line-height: 1.9;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
    font-style: italic;
}

.testimonial-author {
    color: var(--text-light);
    font-size: 1.5rem;
    font-weight: 500;
}

/* ========================================
   Pricing Section
======================================== */
.pricing {
    background: var(--bg-gray);
    padding: var(--section-padding);
}

.pricing-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-box, .offer-box {
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-base);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.pricing-box {
    border-top: 5px solid var(--primary-color);
}

.offer-box {
    border-top: 5px solid var(--secondary-color);
}

.pricing-box:hover, .offer-box:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.pricing-box h4, .offer-box h4 {
    font-size: 2.8rem;
    margin-bottom: 30px;
    color: var(--text-dark);
    font-weight: 600;
}

.price {
    font-size: 2.2rem;
    color: var(--text-dark);
}

.price-number {
    font-size: 5.6rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin: 20px 0;
}

.price-note {
    font-size: 1.6rem;
    color: var(--text-light);
    margin-top: 15px;
}

.offer-list {
    text-align: left;
}

.offer-list li {
    padding: 20px 0;
    border-bottom: 1px solid var(--bg-gray);
    font-size: 1.7rem;
    position: relative;
    padding-left: 30px;
}

.offer-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 2rem;
}

.offer-list li:last-child {
    border-bottom: none;
}

/* ========================================
   Message Section
======================================== */
.message {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--white) 0%, var(--bg-light) 100%);
}

.message-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background: var(--white);
    padding: 60px;
    border-radius: 30px;
    box-shadow: var(--shadow-heavy);
}

.message-content p {
    font-size: 2rem;
    line-height: 2.2;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.message-content p:last-child {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 2.2rem;
}

/* ========================================
   Final CTA Section
======================================== */
.final-cta {
    background: var(--gradient-final-cta);
    color: var(--white);
    padding: var(--section-padding);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.03) 10px,
        rgba(255, 255, 255, 0.03) 20px
    );
}

.cta-title {
    font-size: 4.2rem;
    margin-bottom: 50px;
    line-height: 1.5;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

.cta-button-final {
    font-size: 2.4rem;
    padding: 25px 70px;
    background: var(--gradient-cta);
    position: relative;
    z-index: 1;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 40px 0;
    text-align: center;
}

.footer p {
    font-size: 1.5rem;
    opacity: 0.8;
}

/* ========================================
   Mobile Responsive
======================================== */
@media (max-width: 768px) {
    /* Typography */
    .section-title {
        font-size: 2.8rem;
        margin-bottom: 40px;
    }
    
    /* Header */
    .header .container {
        flex-wrap: wrap;
    }
    
    .logo {
        font-size: 2.2rem;
    }
    
    .nav-list {
        display: none;
    }
    
    /* Hero */
    .hero-empathy {
        margin-top: 60px;
        min-height: 60vh;
        background-position: center top;
        padding: 60px 0;
    }
    
    .hero-empathy .container {
        justify-content: center;
    }
    
    .empathy-content {
        padding: 30px;
        width: 100%;
        max-width: 100%;
        margin: 0;
        min-width: auto;
    }
    
    .empathy-title {
        font-size: 2.4rem;
    }
    
    
    /* Grid Layouts */
    .challenge-grid,
    .solution-grid,
    .testimonial-grid,
    .pricing-content,
    .teachers-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .results-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    /* Campus & Teachers Section */
    .campus-section {
        margin-bottom: 50px;
    }
    
    .campus-section h4,
    .teachers-section h4 {
        font-size: 2.4rem;
        margin-bottom: 30px;
    }
    
    .campus-image {
        max-width: 100%;
    }
    
    .teacher-item {
        margin-bottom: 30px;
    }
    
    .teacher-image {
        width: 150px;
        height: 150px;
    }
    
    /* Result Numbers */
    .result-number {
        font-size: 10rem;
    }
    
    .result-percent {
        font-size: 5rem;
    }
    
    /* Sections */
    .empathy,
    .challenge,
    .solution,
    .results,
    .testimonials,
    .pricing,
    .message,
    .final-cta {
        padding: var(--section-padding-mobile);
    }
    
    /* CTA */
    .cta-title {
        font-size: 2.8rem;
    }
    
    .cta-button {
        font-size: 1.7rem;
        padding: 18px 40px;
    }
    
    .cta-button-final {
        font-size: 1.9rem;
        padding: 20px 50px;
    }
    
    /* Message */
    .message-content {
        padding: 40px 30px;
    }
    
    .message-content p {
        font-size: 1.7rem;
    }
    
    /* Evidence Container */
    .evidence-container {
        grid-template-columns: 1fr;
    }
    
    .progress-chart-container {
        margin: 40px auto;
    }
    
    .chart-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .progress-chart {
        padding: 30px 20px;
    }
    
    .chart-y-axis {
        padding-right: 15px;
        margin-right: 15px;
    }
    
    .chart-y-axis span {
        font-size: 1.4rem;
        padding: 3px 5px;
    }
    
    .chart-bars {
        height: 200px;
    }
    
    .bar {
        width: 60px;
    }
    
    .bar-value {
        font-size: 1.4rem;
        padding: 3px 10px;
        top: -30px;
    }
    
    .bar-label {
        font-size: 1.4rem;
        margin-top: 10px;
    }
}

/* ========================================
   Loader Styles
======================================== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.loader.hide {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    font-family: 'Noto Serif JP', serif;
    font-size: 3.6rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out;
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.loader-progress {
    height: 100%;
    background: var(--white);
    width: 0;
    border-radius: 2px;
    animation: loadProgress 2s ease-out forwards;
}

@keyframes loadProgress {
    to { width: 100%; }
}

/* ========================================
   Modal Styles
======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    position: relative;
    transform: translateY(20px);
    transition: var(--transition-base);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal h3 {
    font-size: 2.8rem;
    margin-bottom: 30px;
    text-align: center;
    color: var(--primary-color);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--bg-light);
    border: none;
    border-radius: 50%;
    font-size: 2.4rem;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition-base);
}

.modal-close:hover {
    background: var(--bg-gray);
    transform: rotate(90deg);
}

.consultation-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.consultation-form input,
.consultation-form select,
.consultation-form textarea {
    padding: 15px 20px;
    border: 2px solid var(--bg-gray);
    border-radius: 10px;
    font-size: 1.6rem;
    font-family: inherit;
    transition: var(--transition-base);
}

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

.submit-btn {
    background: var(--gradient-cta);
    color: var(--white);
    padding: 18px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-cta);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(214, 52, 71, 0.5);
}

/* ========================================
   Card Shine Effect
======================================== */
.challenge-item::before,
.solution-item::before,
.result-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    transform: rotate(45deg) translate(-100%, -100%);
    transition: transform 0.6s;
    pointer-events: none;
}

.challenge-item:hover::before,
.solution-item:hover::before,
.result-item:hover::before {
    transform: rotate(45deg) translate(50%, 50%);
}

/* ========================================
   Hamburger Menu
======================================== */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition-base);
    transform-origin: left;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--white);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease-in-out;
        z-index: 1000;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 80px 30px 30px;
    }
    
    .nav-list li {
        width: 100%;
    }
    
    .nav-list a {
        display: block;
        padding: 15px 0;
        border-bottom: 1px solid var(--bg-gray);
    }
}

/* ========================================
   Focus States
======================================== */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.cta-button:focus,
.nav-cta:focus,
.submit-btn:focus {
    outline: 3px solid var(--white);
    outline-offset: 3px;
}

/* ========================================
   Footer Enhancements
======================================== */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
    max-width: 800px;
    margin: 0 auto 40px;
}

.footer-section h4 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p {
    font-size: 1.4rem;
    line-height: 1.8;
    opacity: 0.9;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.social-links svg {
    width: 20px;
    height: 20px;
}

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

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

.footer-links a {
    font-size: 1.4rem;
    color: var(--text-white);
    opacity: 0.9;
    transition: var(--transition-base);
}

.footer-links a:hover {
    opacity: 1;
    padding-left: 5px;
}

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

.footer-bottom p {
    font-size: 1.3rem;
    opacity: 0.7;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* ========================================
   Print Styles
======================================== */
@media print {
    .header,
    .cta-button,
    .nav-cta,
    .modal-overlay,
    .loader {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
    }
    
    .hero-empathy {
        background: none;
        color: #000;
    }
    
    .section-title {
        page-break-after: avoid;
    }
    
    section {
        page-break-inside: avoid;
    }
}

/* ========================================
   Skip Link
======================================== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
}

.skip-link:focus {
    top: 10px;
}

/* ========================================
   Error States
======================================== */
.error-message {
    background: #fee;
    border: 1px solid #fcc;
    color: #c33;
    padding: 10px 15px;
    border-radius: 5px;
    margin-top: 10px;
    font-size: 1.4rem;
}

.success-message {
    background: #efe;
    border: 1px solid #cfc;
    color: #3c3;
    padding: 10px 15px;
    border-radius: 5px;
    margin-top: 10px;
    font-size: 1.4rem;
}