:root {
    --primary-color: #00D4FF;
    --secondary-color: #FF00E5;
    --accent-color: #00FF94;
    --dark-bg: #0A0A0F;
    --dark-bg-alt: #12121A;
    --text-light: #FFFFFF;
    --text-gray: #A0A0B8;
    --gradient-primary: linear-gradient(135deg, #00D4FF 0%, #FF00E5 100%);
    --gradient-accent: linear-gradient(135deg, #00FF94 0%, #00D4FF 100%);
    --gradient-dark: linear-gradient(180deg, #0A0A0F 0%, #1A1A2E 100%);
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --animation-duration: 0.3s;
    --border-radius: 12px;
    --box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--dark-bg);
    color: var(--text-light);
    overflow-x: hidden;
    line-height: 1.6;
}

.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.02;
    z-index: 1;
    pointer-events: none;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMzAwIj48ZmlsdGVyIGlkPSJhIj48ZmVUdXJidWxlbmNlIGJhc2VGcmVxdWVuY3k9Ii43NSIgbnVtT2N0YXZlcz0iMTAiLz48ZmVDb2xvck1hdHJpeCB2YWx1ZXM9IjAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDEgMCIvPjwvZmlsdGVyPjxyZWN0IHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbHRlcj0idXJsKCNhKSIvPjwvc3ZnPg==');
}

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

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all var(--animation-duration) ease;
}

.main-nav {
    padding: 20px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 24px;
    font-weight: bold;
    color: var(--text-light);
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0 40px;
}

.nav-links a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color var(--animation-duration) ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--animation-duration) ease;
}

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

.cta-button {
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--animation-duration) ease;
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button.secondary {
    background: transparent;
    border: 2px solid var(--primary-color);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.particle-system {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><circle cx="100" cy="100" r="2" fill="%2300D4FF" opacity="0.5"><animate attributeName="cy" from="100" to="700" dur="20s" repeatCount="indefinite"/></circle><circle cx="300" cy="200" r="3" fill="%23FF00E5" opacity="0.4"><animate attributeName="cy" from="200" to="800" dur="15s" repeatCount="indefinite"/></circle><circle cx="500" cy="50" r="2" fill="%2300FF94" opacity="0.6"><animate attributeName="cy" from="50" to="750" dur="25s" repeatCount="indefinite"/></circle><circle cx="700" cy="150" r="4" fill="%2300D4FF" opacity="0.3"><animate attributeName="cy" from="150" to="850" dur="18s" repeatCount="indefinite"/></circle><circle cx="900" cy="300" r="2" fill="%23FF00E5" opacity="0.5"><animate attributeName="cy" from="300" to="1000" dur="22s" repeatCount="indefinite"/></circle><circle cx="1100" cy="100" r="3" fill="%2300FF94" opacity="0.4"><animate attributeName="cy" from="100" to="800" dur="20s" repeatCount="indefinite"/></circle></svg>') no-repeat center;
    background-size: cover;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    margin-bottom: 30px;
    line-height: 1.2;
}

.glitch-text {
    position: relative;
    display: inline-block;
    animation: glitch 2s infinite;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch-text::before {
    animation: glitch-1 0.5s infinite;
    color: var(--primary-color);
    z-index: -1;
}

.glitch-text::after {
    animation: glitch-2 0.5s infinite;
    color: var(--secondary-color);
    z-index: -2;
}

@keyframes glitch {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
}

@keyframes glitch-1 {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    20% { clip-path: inset(20% 0 60% 0); transform: translate(-5px); }
    40% { clip-path: inset(50% 0 20% 0); transform: translate(5px); }
    60% { clip-path: inset(10% 0 80% 0); transform: translate(3px); }
    80% { clip-path: inset(80% 0 5% 0); transform: translate(-3px); }
}

@keyframes glitch-2 {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    20% { clip-path: inset(60% 0 20% 0); transform: translate(5px); }
    40% { clip-path: inset(20% 0 50% 0); transform: translate(-5px); }
    60% { clip-path: inset(80% 0 10% 0); transform: translate(-3px); }
    80% { clip-path: inset(5% 0 80% 0); transform: translate(3px); }
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-gray);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 80px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
    max-width: 600px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all var(--animation-duration) ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.stat-label {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.stat-item p {
    margin-top: 10px;
    color: var(--text-gray);
    font-size: 0.9rem;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    line-height: 1.3;
}

.features {
    padding: 100px 0;
    background: var(--dark-bg-alt);
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--animation-duration) ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--animation-duration) ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    position: relative;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

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

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

.how-it-works {
    padding: 100px 0;
    background: var(--dark-bg);
}

.steps-container {
    max-width: 900px;
    margin: 0 auto;
}

.step-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
    position: relative;
}

.step-item:nth-child(even) {
    direction: rtl;
}

.step-item:nth-child(even) > * {
    direction: ltr;
}

.step-item::before {
    content: attr(data-step);
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    font-size: 8rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    z-index: -1;
}

.step-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.step-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius);
}

.step-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.step-content p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 1.1rem;
}

.demo-section {
    padding: 100px 0;
    background: var(--dark-bg-alt);
}

.demo-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.demo-screen {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.demo-screen img {
    width: 100%;
    height: auto;
    display: block;
}

.demo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--animation-duration) ease;
}

.demo-screen:hover .demo-overlay {
    opacity: 1;
}

.play-demo-btn {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--animation-duration) ease;
}

.play-demo-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.5);
}

.play-demo-btn img {
    width: 30px;
    height: 30px;
}

.demo-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.demo-feature {
    background: rgba(255, 255, 255, 0.03);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--animation-duration) ease;
}

.demo-feature:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
}

.demo-icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

.demo-feature h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.demo-feature p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.pricing {
    padding: 100px 0;
    background: var(--dark-bg);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 50px 40px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    position: relative;
    transition: all var(--animation-duration) ease;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.pricing-card.featured .plan-name,
.pricing-card.featured .plan-features li,
.pricing-card.featured .currency,
.pricing-card.featured .period {
    color: var(--text-light);
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    z-index: -1;
}

.plan-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.3rem;
    margin-bottom: 20px;
    margin-top: 20px;
    color: var(--text-light);
}

.plan-price {
    margin-bottom: 40px;
}

.currency {
    font-size: 1.5rem;
    vertical-align: top;
    color: var(--text-gray);
}

.amount {
    font-size: 4rem;
    font-weight: 900;
    color: var(--text-light);
}

/* スクールプランの「お問い合わせ」のサイズ調整 */
.amount:not([class*="currency"]):not([class*="period"]) {
    font-size: 1.8rem;
}

/* より確実に「お問い合わせ」のテキストだけを対象にする */
.plan-price .amount:only-child {
    font-size: 1.3rem;
    font-weight: 600;
}

.period {
    font-size: 1.2rem;
    color: var(--text-gray);
}

.plan-features {
    list-style: none;
    margin-bottom: 40px;
}

.plan-features li {
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-gray);
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-cta {
    width: 100%;
    padding: 15px 30px;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--animation-duration) ease;
}

.plan-cta:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

.plan-cta.primary {
    background: var(--text-light);
    border-color: transparent;
    color: var(--dark-bg);
    font-weight: 700;
}

.testimonials {
    padding: 100px 0;
    background: var(--dark-bg-alt);
}

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

.testimonial-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--animation-duration) ease;
}

.testimonial-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.testimonial-content {
    margin-bottom: 30px;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 20px;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.testimonial-author p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.contact {
    padding: 100px 0;
    background: var(--dark-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    background: rgba(255, 255, 255, 0.03);
    padding: 50px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-gray);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 1rem;
    transition: all var(--animation-duration) ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-method img {
    width: 50px;
    height: 50px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.contact-method h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.contact-method p {
    color: var(--text-gray);
}

.site-footer {
    background: #000;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand img {
    height: 40px;
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-gray);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color var(--animation-duration) ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

[data-aos] {
    transition-property: transform, opacity;
    transition-duration: 0.8s;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
    opacity: 0;
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
    opacity: 1;
}

@media (max-width: 1024px) {
    .demo-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step-item {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .step-item:nth-child(even) {
        direction: ltr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}
