/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-red: #dc2626;
    --primary-red-dark: #b91c1c;
    --primary-red-light: #fef2f2;
    --accent-red: #ef4444;
    --secondary-orange: #fb923c;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --gradient-primary: linear-gradient(135deg, var(--primary-red), var(--accent-red));
    --gradient-hero: linear-gradient(135deg, var(--primary-red-light) 0%, var(--white) 30%, var(--gray-50) 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

body {
    font-family: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--gray-800);
    background-color: var(--white);
    font-feature-settings: "palt";
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    font-size: 2.25rem;
    filter: drop-shadow(0 2px 4px rgba(220, 38, 38, 0.3));
}

.brand-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.2s ease;
}

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

.btn-nav {
    background: var(--gradient-primary) !important;
    color: var(--white) !important;
    padding: 0.6rem 1.2rem;
    border-radius: 0.75rem;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-md);
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 2rem;
    border: none;
    border-radius: 0.875rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

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

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-red);
    border: 2px solid var(--primary-red);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--primary-red);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-red);
    border: 2px solid var(--primary-red);
}

.btn-outline:hover {
    background: var(--primary-red);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    background: var(--gradient-hero);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 3rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.badge-icon {
    font-size: 1.2rem;
}

.badge-text {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.hero-title {
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
}

.title-main {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    letter-spacing: -0.03em;
}

.by-credit {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--gray-500);
    letter-spacing: 0.02em;
}

.character-image {
    margin-top: 1.5rem;
    display: flex;
    justify-content: flex-start;
}

.character-img {
    width: auto;
    height: 150px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: all 0.3s ease;
}

.character-img:hover {
    transform: scale(1.05) rotate(2deg);
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.15));
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
    line-height: 1.5;
    font-weight: 500;
}

.highlight-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    position: relative;
}

.hero-description {
    margin-bottom: 3rem;
}

.hero-description p {
    font-size: 1.1rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.demo-screenshot {
    background: var(--white);
    border-radius: 1.5rem;
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    width: 100%;
    max-width: 500px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

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

.demo-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.demo-caption {
    padding: 1.5rem 2rem;
    background: var(--gray-50);
    text-align: center;
    border-top: 1px solid var(--gray-200);
}

.demo-caption p {
    font-size: 1.1rem;
    color: var(--gray-700);
    margin: 0;
    font-weight: 500;
}

.demo-caption strong {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 1rem;
    font-weight: 700;
}

.demo-input {
    padding: 2rem;
    border-bottom: 2px dashed var(--gray-200);
}

.input-example {
    margin-bottom: 1.5rem;
}

.input-label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.input-url {
    background: var(--gray-50);
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9rem;
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.bot-command {
    text-align: center;
}

.command {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.75rem 2rem;
    border-radius: 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    display: inline-block;
    box-shadow: var(--shadow-md);
}

.demo-arrow {
    text-align: center;
    padding: 1rem;
    font-size: 1.5rem;
    color: var(--primary-red);
    font-weight: bold;
}

.demo-output {
    padding: 2rem;
    background: var(--gray-50);
}

.output-text, .output-summary {
    margin-bottom: 2rem;
}

.output-text:last-child, .output-summary:last-child {
    margin-bottom: 0;
}

.output-text h4, .output-summary h4 {
    font-size: 1rem;
    color: var(--primary-red);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.transcript-sample {
    color: var(--gray-700);
    font-size: 0.95rem;
    line-height: 1.6;
    background: var(--white);
    padding: 1rem;
    border-radius: 0.5rem;
    border-left: 4px solid var(--primary-red);
}

.output-summary ul {
    list-style: none;
    padding: 0;
}

.output-summary li {
    background: var(--white);
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray-700);
    border-left: 3px solid var(--secondary-orange);
    transition: all 0.2s ease;
}

.output-summary li:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
}

/* Features Section */
.features {
    padding: 7rem 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 1.25rem;
    border: 2px solid var(--gray-100);
    transition: all 0.4s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    border-color: var(--primary-red);
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.feature-card.development {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
}

.dev-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--secondary-orange);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 8px rgba(220, 38, 38, 0.15));
}

.feature-image {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.feature-img {
    width: 100%;
    max-width: 200px;
    height: auto;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.feature-card:hover .feature-img {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 1rem;
}

.feature-card strong {
    color: var(--primary-red);
}

/* How It Works Section */
.how-it-works {
    padding: 7rem 0;
    background: var(--gray-50);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
}

.step-number {
    background: var(--gradient-primary);
    color: var(--white);
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    margin: 0 auto 2rem;
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    width: 3rem;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-red), transparent);
    transform: translateY(-50%);
}

.step:last-child .step-number::after {
    display: none;
}

.step-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.step-link {
    color: var(--gray-900);
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
}

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

.step-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.2s ease;
}

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

.manual-link {
    text-align: center;
    margin-top: 3rem;
}

.manual-btn {
    color: var(--primary-red);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid var(--primary-red);
    transition: all 0.2s ease;
}

.manual-btn:hover {
    background: var(--primary-red);
    color: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

/* Pricing Section */
.pricing {
    padding: 7rem 0;
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-btn {
    margin-top: 1rem;
    width: 100%;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 1.5rem;
    padding: 2.5rem 2rem;
    position: relative;
    transition: all 0.3s ease;
    text-align: center;
}

.pricing-card:hover {
    border-color: var(--primary-red);
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
}

.pricing-card.featured {
    border-color: var(--primary-red);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
    background: linear-gradient(135deg, var(--primary-red-light) 0%, var(--white) 100%);
}

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.5rem;
    color: var(--gray-600);
    font-weight: 600;
}

.amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-red);
    line-height: 1;
}

.period {
    font-size: 1.1rem;
    color: var(--gray-600);
    font-weight: 500;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--gray-700);
    font-size: 1rem;
    border-bottom: 1px solid var(--gray-100);
}

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

.pricing-note {
    text-align: center;
    margin-top: 3rem;
}

.contact-link {
    color: var(--primary-red);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.contact-link:hover {
    color: var(--primary-red-dark);
    text-decoration: underline;
}

/* FAQ Section */
.faq {
    padding: 7rem 0;
    background: var(--gray-50);
}

.faq-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 2rem;
}

.faq-item {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 1.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

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

.faq-question {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.faq-answer {
    color: var(--gray-700);
    line-height: 1.8;
    font-size: 1rem;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-brand .logo {
    font-size: 2.5rem;
    filter: drop-shadow(0 2px 4px rgba(220, 38, 38, 0.5));
}

.footer-brand .brand-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--white);
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--gray-300);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.footer-section ul li a:hover {
    color: var(--primary-red);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 2rem;
    text-align: center;
    color: var(--gray-400);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 4rem;
        text-align: center;
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .step-number::after {
        display: none;
    }
    
    .character-img {
        height: 120px;
    }
    
    .character-image {
        justify-content: center;
        margin-top: 1.5rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 8rem 0 4rem;
        min-height: auto;
    }
    
    .hero-container {
        padding: 0 1rem;
    }
    
    .hero-title {
        margin-top: 2rem;
    }
    
    .title-main {
        font-size: 2.6rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .demo-screenshot {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 7rem 0 3rem;
    }
    
    .hero-title {
        margin-top: 2.5rem;
    }
    
    .title-main {
        font-size: 2.0rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .nav {
        padding: 1rem;
    }
    
    .brand-name {
        font-size: 1.1rem;
    }
    
    .character-img {
        height: auto;
        width: 100%;
        max-width: 300px;
    }
    
    .character-image {
        justify-content: center;
        margin-top: 2rem;
        margin-bottom: 1rem;
    }
}