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

:root {
    /* Color Palette - Navy & White Theme */
    --primary-navy: #1a2b4a;
    --secondary-navy: #2d4165;
    --accent-navy: #3d5a80;
    --light-navy: #4a6fa5;
    --very-light-navy: #e8f0f8;
    --white: #ffffff;
    --off-white: #f8f9fa;
    --light-gray: #e9ecef;
    --gray: #6c757d;
    --dark-gray: #495057;
    --success-green: #06c755; /* LINE Green */
    --youtube-red: #ff0000;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    
    /* Typography */
    --font-jp: 'Noto Sans JP', sans-serif;
    --font-en: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-jp);
    color: var(--text-primary);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Responsive Utilities */
.sp-only {
    display: inline;
}

@media (min-width: 768px) {
    .sp-only {
        display: none;
    }
}

/* ========================================
   Container
   ======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* ========================================
   Section Styles
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-navy), var(--light-navy));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-md);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
    
    .section-subtitle {
        font-size: 1.125rem;
    }
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-navy);
    font-family: var(--font-en);
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-navy), var(--light-navy));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    padding: 5px 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--primary-navy);
    transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.nav-menu.active {
    left: 0;
}

.nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--primary-navy);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-link:hover {
    background: var(--very-light-navy);
    color: var(--accent-navy);
}

.nav-link-cta {
    background: var(--primary-navy);
    color: var(--white);
    margin-top: var(--spacing-sm);
}

.nav-link-cta:hover {
    background: var(--accent-navy);
    color: var(--white);
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
    
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        flex-direction: row;
        padding: 0;
        box-shadow: none;
        gap: var(--spacing-xs);
    }
    
    .nav-link {
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .nav-link-cta {
        margin-top: 0;
    }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    padding: var(--spacing-2xl) var(--spacing-sm);
    margin-top: 70px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(135deg, rgba(26, 43, 74, 0.40) 0%, rgba(45, 65, 101, 0.35) 50%, rgba(61, 90, 128, 0.30) 100%),
        url('../images/tokyo-cityscape.jpg') center center / cover no-repeat;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(77, 112, 168, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(61, 90, 128, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)" /></svg>');
    opacity: 0.05;
    z-index: 1;
}

.hero-wrapper {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    max-width: 1200px;
    width: 100%;
}

.hero-content {
    text-align: center;
    max-width: 700px;
}

.hero-profile {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    animation: fadeInUp 1s ease;
    margin: var(--spacing-lg) 0;
}

.hero-profile-image {
    position: relative;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid var(--white);
    box-shadow: var(--shadow-xl);
    background: var(--white);
}

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

.hero-profile-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--youtube-red);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    animation: fadeInUp 1.2s ease;
}

.hero-profile-badge i {
    font-size: 1.125rem;
}

/* Hero Text Styles */
.hero-philosophy {
    font-size: 0.9rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
    line-height: 1.9;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.6);
    animation: fadeInUp 0.6s ease;
    letter-spacing: 0.03em;
    font-family: var(--font-jp);
}

.hero-mission {
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.95);
    animation: fadeInUp 0.8s ease;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.02em;
}

.hero-greeting {
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-sm);
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 0.6s ease;
}

/* Add text shadow for better readability with transparent background */
.hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-title .highlight {
    color: #FFD700;
    font-weight: 800;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}

.hero-catchphrase {
    font-size: 1.125rem;
    font-weight: 600;
    color: #FFD700;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.6);
    animation: fadeInUp 0.9s ease;
    letter-spacing: 0.05em;
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-top: var(--spacing-md);
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.95);
    animation: fadeInUp 1s ease;
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.5);
    text-align: center;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 1.2s ease;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    animation: fadeInUp 1.4s ease;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.hero-feature i {
    font-size: 1.5rem;
    color: var(--very-light-navy);
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll a {
    display: block;
    color: var(--white);
    font-size: 2rem;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.hero-scroll a:hover {
    opacity: 1;
}

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

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

@media (min-width: 768px) {
    .hero-philosophy {
        font-size: 1.15rem;
        line-height: 2;
    }
    
    .hero-mission {
        font-size: 1.8rem;
        line-height: 1.6;
    }
    
    .hero-greeting {
        font-size: 1.125rem;
    }
    
    .hero-title {
        font-size: 3.25rem;
    }
    
    .hero-catchphrase {
        font-size: 1.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .hero-features {
        flex-direction: row;
        justify-content: center;
    }
    
    .hero-feature {
        font-size: 1.125rem;
    }
    
    .hero-profile-image {
        width: 260px;
        height: 260px;
    }
}

@media (min-width: 1024px) {
    .hero-wrapper {
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    
    .hero-content {
        text-align: center;
        flex: none;
        width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .hero-profile {
        flex-shrink: 0;
    }
    
    .hero-subtitle {
        text-align: center;
        font-size: 1.25rem;
        margin-top: var(--spacing-lg);
    }
    
    .hero-profile-image {
        width: 240px;
        height: 240px;
    }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    text-align: center;
    white-space: nowrap;
    line-height: 1.5;
}

.btn i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1em;
    flex-shrink: 0;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    line-height: 1.5;
}

.btn-large i {
    font-size: 1.2em;
}

.btn-block {
    width: 100%;
}

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

.btn-primary:hover {
    background: var(--accent-navy);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.btn-success:hover {
    background: #05b34a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-youtube:hover {
    background: #cc0000;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: var(--spacing-2xl) 0;
    background: var(--off-white);
}

.about-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: 1fr;
}

.about-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    text-align: center;
    display: flex;
    flex-direction: column;
    position: relative;
    border: 2px solid transparent;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-navy);
}

.about-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-navy), var(--light-navy));
    color: var(--white);
    border-radius: 50%;
    font-size: 2rem;
}

.about-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.about-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--accent-navy);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-top: auto;
}

.about-card-link:hover {
    color: var(--primary-navy);
    background: var(--very-light-navy);
    transform: translateX(5px);
}

.about-card-link i {
    transition: transform 0.3s ease;
}

.about-card-link:hover i {
    transform: translateX(3px);
}

.about-cta {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--accent-navy) 100%);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 10px 40px rgba(26, 43, 74, 0.3);
    position: relative;
    overflow: hidden;
}

.about-cta::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 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.03)"/></svg>');
    background-size: 100px 100px;
    opacity: 0.5;
}

.about-cta-content {
    position: relative;
    z-index: 1;
}

.about-cta-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    line-height: 1.5;
}

.about-cta-text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-lg);
    line-height: 1.9;
}

.about-cta-btn {
    background: var(--white);
    color: var(--primary-navy);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    animation: pulse-scale 2s ease-in-out infinite;
}

.about-cta-btn:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

@keyframes pulse-scale {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-cta-title {
        font-size: 1.75rem;
    }
    
    .about-cta-text {
        font-size: 1.25rem;
    }
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
        max-width: 1000px;
        margin: 0 auto;
    }
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.testimonials-note {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--very-light-navy);
    border-radius: var(--radius-md);
    color: var(--primary-navy);
}

.testimonials-note i {
    color: var(--accent-navy);
    margin-right: var(--spacing-xs);
}

.testimonials-grid {
    /* Masonry layout - columns will be managed by JavaScript */
    column-count: 2;
    column-gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.testimonial-placeholder {
    background: var(--off-white);
    border: 2px dashed var(--light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--gray);
    break-inside: avoid;
    margin-bottom: var(--spacing-md);
}

.testimonial-placeholder i {
    color: var(--success-green);
    margin-bottom: var(--spacing-md);
}

.testimonial-placeholder small {
    display: block;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--white);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.testimonial-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(26, 43, 74, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    break-inside: avoid;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(26, 43, 74, 0.15);
}

.testimonial-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
}

.testimonials-cta {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--very-light-navy);
    border-radius: var(--radius-lg);
}

.testimonials-cta p {
    font-size: 1.125rem;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

@media (min-width: 768px) {
    .testimonials-grid {
        column-count: 2;
    }
}

@media (min-width: 1024px) {
    .testimonials-grid {
        column-count: 3;
    }
}

/* ========================================
   Results Section
   ======================================== */
.results {
    padding: var(--spacing-2xl) 0;
    background: var(--off-white);
}

.results-content {
    display: grid;
    gap: var(--spacing-xl);
}

.results-map {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.map-placeholder {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--gray);
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.map-placeholder i {
    color: var(--accent-navy);
    margin-bottom: var(--spacing-md);
}

.map-placeholder small {
    display: block;
    margin: var(--spacing-md) 0;
}

.code-example {
    display: block;
    background: var(--off-white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--dark-gray);
    font-family: 'Courier New', monospace;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.results-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-en);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

@media (min-width: 768px) {
    .stat-number {
        font-size: 3rem;
    }
    
    .stat-label {
        font-size: 1rem;
    }
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

/* FAQ Category Styling */
.faq-category {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-category:hover {
    box-shadow: var(--shadow-md);
}

.faq-category.active {
    border-color: var(--accent-navy);
}

.faq-category-button {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--very-light-navy);
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    text-align: left;
}

.faq-category-button:hover {
    background: var(--light-navy);
    color: var(--white);
}

.faq-category.active .faq-category-button {
    background: var(--primary-navy);
    color: var(--white);
}

.faq-category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-navy);
}

.faq-category.active .faq-category-title {
    color: var(--white);
}

.faq-category-title i {
    font-size: 1.5rem;
}

.faq-category-icon {
    font-size: 1.5rem;
    transition: var(--transition-fast);
    color: var(--accent-navy);
}

.faq-category.active .faq-category-icon {
    transform: rotate(180deg);
    color: var(--white);
}

.faq-category-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
}

.faq-category.active .faq-category-content {
    max-height: 5000px;
}

/* FAQ List inside Category */
.faq-list {
    padding: var(--spacing-md);
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-item:last-child {
    margin-bottom: 0;
}

.faq-item:hover {
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-navy);
    background: var(--white);
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: var(--off-white);
}

.faq-question i {
    font-size: 1.25rem;
    transition: var(--transition-fast);
    color: var(--accent-navy);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

@media (min-width: 768px) {
    .faq-category-title {
        font-size: 1.5rem;
    }
    
    .faq-question {
        font-size: 1.05rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .faq-answer p {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: var(--spacing-2xl) 0;
    background: var(--off-white);
}

.contact .container {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
}

.contact-notice {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(61, 90, 128, 0.05);
    border-left: 4px solid var(--accent-navy);
    border-radius: var(--radius-md);
}

.contact-notice-text {
    color: var(--text-secondary);
    line-height: 1.9;
    font-size: 0.95rem;
    margin: 0;
}

.contact-notice-small {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--gray);
}

.contact-content {
    display: grid;
    gap: var(--spacing-xl);
    width: 100%;
    margin: 0;
    padding: 0;
}

.contact-info {
    display: grid;
    gap: var(--spacing-md);
    width: 100%;
}

.contact-info-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
    width: 100%;
    box-sizing: border-box;
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-info-card i {
    color: var(--accent-navy);
    margin-bottom: var(--spacing-md);
}

.contact-info-card h3 {
    font-size: 1.25rem;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.contact-info-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.contact-form-wrapper {
    background: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(255, 107, 53, 0.4);
    width: 100%;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    animation: pulse-glow 2s ease-in-out infinite;
}

.contact-form-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: rotate(45deg);
    animation: shine 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 10px 40px rgba(255, 107, 53, 0.4);
    }
    50% {
        box-shadow: 0 10px 60px rgba(255, 107, 53, 0.6);
    }
}

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.contact-form-card {
    text-align: center;
    padding: var(--spacing-xl);
    width: 100%;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
}

.contact-form-card .form-icon {
    margin-bottom: var(--spacing-lg);
    animation: bounce-icon 2s ease-in-out infinite;
}

@keyframes bounce-icon {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.contact-form-card .form-icon i {
    color: var(--white);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.contact-form-card h3 {
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.contact-form-card p {
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.contact-form-card .btn {
    margin-top: var(--spacing-md);
    background: var(--white);
    color: #FF6B35;
    font-size: 1.25rem;
    padding: 1rem 2.5rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    border: 3px solid transparent;
}

.contact-form-card .btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--white);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-xs);
}

.required {
    color: #dc3545;
}

.form-input {
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    font-family: var(--font-jp);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-navy);
    box-shadow: 0 0 0 3px rgba(61, 90, 128, 0.1);
}

textarea.form-input {
    resize: vertical;
    min-height: 120px;
}

.form-checkbox {
    flex-direction: row;
    align-items: center;
}

.form-checkbox label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    display: none;
}

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

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

/* Mobile specific adjustments for contact section */
@media (max-width: 767px) {
    .contact {
        padding: var(--spacing-2xl) 0;
        overflow: hidden;
    }
    
    .contact .container {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
        max-width: 100%;
        overflow: hidden;
    }
    
    .contact-notice {
        padding: var(--spacing-sm) var(--spacing-md);
        margin: var(--spacing-md) auto 0;
    }
    
    .contact-notice-text {
        font-size: 0.875rem;
        line-height: 1.8;
    }
    
    .contact-notice-small {
        font-size: 0.8rem;
    }
    
    .contact-content {
        padding: 0;
        margin: 0;
        gap: var(--spacing-md);
    }
    
    .contact-info {
        padding: 0;
        margin: 0;
        gap: var(--spacing-sm);
    }
    
    .contact-info-card {
        padding: var(--spacing-sm);
        margin: 0;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    .contact-info-card i {
        font-size: 2rem !important;
    }
    
    .contact-info-card h3 {
        font-size: 1.125rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .contact-info-card p {
        font-size: 0.875rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .contact-info-card .btn {
        font-size: 0.875rem;
        padding: 0.625rem 1rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        white-space: normal;
        word-wrap: break-word;
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-md);
        margin: 0 !important;
    }
    
    .contact-form-card {
        padding: var(--spacing-md);
    }
    
    .contact-form-card .form-icon i {
        font-size: 2.5rem !important;
    }
    
    .contact-form-card h3 {
        font-size: 1.5rem;
    }
    
    .contact-form-card p {
        font-size: 0.9rem;
    }
    
    .contact-form-card .btn {
        font-size: 1rem;
        padding: 0.875rem 1.5rem;
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-sm);
        margin: 0;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    .contact-form-card {
        padding: var(--spacing-sm);
        margin: 0;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    .contact-form-card .form-icon i {
        font-size: 2rem !important;
    }
    
    .contact-form-card h3 {
        font-size: 1.125rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .contact-form-card p {
        font-size: 0.875rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .contact-form-card .btn {
        font-size: 0.875rem;
        padding: 0.625rem 1rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        white-space: normal;
        word-wrap: break-word;
    }
    
    /* ボタンサイズの調整 */
    .btn-large {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
}

@media (min-width: 768px) {
    .contact-info {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr 1.5fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--primary-navy);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-en);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-links h4,
.footer-social h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.5rem;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-brand,
    .footer-links h4,
    .footer-social h4 {
        text-align: left;
    }
    
    .footer-links ul,
    .social-links {
        justify-content: flex-start;
    }
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-navy);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent-navy);
    transform: translateY(-5px);
}

/* ========================================
   Utility Classes
   ======================================== */
.sp-only {
    display: inline;
}

.pc-only {
    display: none;
}

@media (min-width: 768px) {
    .sp-only {
        display: none;
    }
    
    .pc-only {
        display: inline;
    }
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 767px) {
    :root {
        --spacing-xs: 0.5rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 2.5rem;
        --spacing-2xl: 3rem;
    }
    
    .hero {
        padding: var(--spacing-xl) var(--spacing-sm);
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .header,
    .nav,
    .hero-buttons,
    .hero-scroll,
    .back-to-top,
    .contact-form {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
}