:root {
    --primary-dark: #0a0f1a;
    --primary-navy: #1a2744;
    --accent-gold: #c9a962;
    --accent-copper: #b87333;
    --text-light: #f8f9fa;
    --text-muted: rgba(255,255,255,0.7);
    --bg-cream: #faf9f7;
    --bg-warm: #f5f3ef;
}

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

body {
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    background: var(--bg-cream);
}

.font-display {
    font-family: 'Playfair Display', serif;
}

.font-japanese {
    font-family: 'Noto Sans JP', sans-serif;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--primary-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--accent-gold);
    border-radius: 4px;
}

/* ========== NAVBAR ========== */
.navbar-custom {
    padding: 1.25rem 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
}

.navbar-custom.scrolled {
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    padding: 0.75rem 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff !important;
    letter-spacing: 1px;
}

.navbar-brand span {
    font-weight: 400;
    opacity: 0.8;
}

.nav-link {
    color: rgba(255,255,255,0.85) !important;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 0.5rem 1.25rem !important;
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1.25rem;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: calc(100% - 2.5rem);
}

.btn-rfp {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-copper));
    border: none;
    color: #fff;
    padding: 0.75rem 1.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 0;
    transition: all 0.3s ease;
}

.btn-rfp:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 169, 98, 0.3);
    color: #fff;
}

/* ========== HERO SECTION ========== */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 50%, #2a3f5f 100%);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
            radial-gradient(circle at 20% 80%, rgba(201, 169, 98, 0.1) 0%, transparent 50%),
            radial-gradient(circle at 80% 20%, rgba(184, 115, 51, 0.08) 0%, transparent 50%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
            linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 80px 80px;
}

.hero-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border: 1px solid rgba(201, 169, 98, 0.2);
}

.shape-1 {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    top: -100px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -50px;
    transform: rotate(45deg);
    animation: float 15s ease-in-out infinite reverse;
}

.shape-3 {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    top: 40%;
    right: 20%;
    background: radial-gradient(circle, rgba(201, 169, 98, 0.1), transparent);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(201, 169, 98, 0.3);
    backdrop-filter: blur(10px);
    margin-bottom: 2rem;
}

.hero-badge span {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 0.875rem;
    color: var(--accent-gold);
    letter-spacing: 1px;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 400;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-title .highlight {
    display: block;
    font-weight: 700;
    background: linear-gradient(135deg, #fff, var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 500px;
    margin-bottom: 2.5rem;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-tag {
    padding: 0.625rem 1.5rem;
    border: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.9);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.hero-tag:hover {
    background: rgba(201, 169, 98, 0.2);
    border-color: var(--accent-gold);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.125rem 2.5rem;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-copper));
    color: #fff;
    font-weight: 600;
    font-size: 0.9375rem;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all 0.4s ease;
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(201, 169, 98, 0.3);
    color: #fff;
}

.btn-hero-primary i {
    transition: transform 0.3s ease;
}

.btn-hero-primary:hover i {
    transform: translateX(5px);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.125rem 2.5rem;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    font-weight: 500;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-hero-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
    color: #fff;
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-card {
    position: relative;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    padding: 3rem;
    text-align: center;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

.hero-kanji {
    font-family: 'Noto Sans JP', serif;
    font-size: 6rem;
    font-weight: 300;
    color: rgba(255,255,255,0.9);
    line-height: 1;
    margin-bottom: 1rem;
}

.hero-kanji-sub {
    font-size: 0.875rem;
    color: var(--accent-gold);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

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

.stat-number {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--accent-gold);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent-gold), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* ========== SOLUTIONS SECTION ========== */
.solutions-section {
    padding: 8rem 0;
    background: var(--bg-cream);
    position: relative;
}

.section-header {
    margin-bottom: 4rem;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent-copper);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-label::before {
    content: '';
    width: 40px;
    height: 2px;
    background: var(--accent-gold);
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 400;
    color: var(--primary-dark);
    line-height: 1.2;
}

.section-title strong {
    font-weight: 700;
}

/* Solution Cards */
.solution-card {
    position: relative;
    background: #fff;
    border: 1px solid rgba(0,0,0,0.06);
    padding: 2.5rem;
    height: 100%;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-copper));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.1);
    border-color: transparent;
}

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

.solution-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-warm), #fff);
    border: 1px solid rgba(0,0,0,0.05);
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.solution-icon i {
    font-size: 1.75rem;
    color: var(--primary-navy);
    transition: all 0.3s ease;
}

.solution-card:hover .solution-icon {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-copper));
}

.solution-card:hover .solution-icon i {
    color: #fff;
}

.solution-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.solution-japanese {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 0.8125rem;
    color: var(--accent-copper);
    margin-bottom: 1rem;
}

.solution-subtitle {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.solution-desc {
    font-size: 0.9375rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.solution-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.solution-link:hover {
    color: var(--accent-copper);
}

.solution-link:hover i {
    transform: translateX(5px);
}

/* ========== DIFFERENTIATION SECTION ========== */
.diff-section {
    padding: 8rem 0;
    background: var(--primary-dark);
    position: relative;
    overflow: hidden;
}

.diff-bg {
    position: absolute;
    inset: 0;
    background:
            radial-gradient(ellipse at 0% 50%, rgba(201, 169, 98, 0.1), transparent 50%),
            radial-gradient(ellipse at 100% 50%, rgba(184, 115, 51, 0.1), transparent 50%);
}

.diff-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 3rem;
    height: 100%;
    position: relative;
    backdrop-filter: blur(10px);
}

.diff-card.positive {
    border-top: 3px solid var(--accent-gold);
}

.diff-card.negative {
    border-top: 3px solid #e74c3c;
}

.diff-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.diff-icon.positive {
    background: rgba(201, 169, 98, 0.2);
}

.diff-icon.positive i {
    color: var(--accent-gold);
    font-size: 1.5rem;
}

.diff-icon.negative {
    background: rgba(231, 76, 60, 0.2);
}

.diff-icon.negative i {
    color: #e74c3c;
    font-size: 1.5rem;
}

.diff-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    font-weight: 400;
    color: #fff;
    margin-bottom: 2rem;
}

.diff-title strong {
    font-weight: 700;
}

.diff-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.diff-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

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

.diff-list li i {
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.diff-list.positive li i {
    color: var(--accent-gold);
}

.diff-list.negative li i {
    color: #e74c3c;
}

.diff-quote {
    margin-top: 4rem;
    text-align: center;
    padding: 3rem;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
}

.diff-quote p {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.6;
}

.diff-quote strong {
    color: #fff;
    font-weight: 600;
    font-style: normal;
}

/* ========== PROCESS SECTION ========== */
.process-section {
    padding: 8rem 0;
    background: var(--bg-warm);
}

.process-wrapper {
    position: relative;
    padding-top: 3rem;
}

.process-line {
    position: absolute;
    top: 5.5rem;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-copper), var(--accent-gold));
    opacity: 0.3;
}

.process-step {
    text-align: center;
    position: relative;
}

.process-number {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 2px solid var(--accent-gold);
    margin: 0 auto 1.5rem;
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-copper);
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.process-step:hover .process-number {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-copper));
    color: #fff;
    transform: scale(1.1);
}

.process-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.process-desc {
    font-size: 0.875rem;
    color: #666;
    max-width: 200px;
    margin: 0 auto;
}

/* ========== PARTNERS SECTION ========== */
.partners-section {
    padding: 8rem 0;
    background: #fff;
}

.partner-card {
    position: relative;
    padding: 2.5rem;
    background: var(--bg-cream);
    border: 1px solid transparent;
    height: 100%;
    transition: all 0.4s ease;
    text-decoration: none;
    display: block;
}

.partner-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-copper));
    transition: width 0.4s ease;
}

.partner-card:hover {
    background: #fff;
    border-color: rgba(0,0,0,0.08);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    transform: translateY(-5px);
}

.partner-card:hover::after {
    width: 100%;
}

.partner-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 98, 0.1);
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.partner-icon i {
    font-size: 1.25rem;
    color: var(--accent-copper);
}

.partner-card:hover .partner-icon {
    background: var(--accent-gold);
}

.partner-card:hover .partner-icon i {
    color: #fff;
}

.partner-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.25rem;
}

.partner-japanese {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 0.8125rem;
    color: var(--accent-copper);
    margin-bottom: 1rem;
}

.partner-desc {
    font-size: 0.875rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.partner-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.8125rem;
    text-decoration: none;
}

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

.partner-card:hover .partner-link {
    color: var(--accent-copper);
}

.partner-card:hover .partner-link i {
    transform: translateX(5px);
}

/* ========== CTA SECTION ========== */
.cta-section {
    padding: 10rem 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 100%);
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-circle {
    position: absolute;
    border: 1px solid rgba(201, 169, 98, 0.1);
    border-radius: 50%;
}

.cta-circle-1 {
    width: 600px;
    height: 600px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.cta-circle-2 {
    width: 400px;
    height: 400px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.cta-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.cta-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 400;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

.cta-title strong {
    font-weight: 700;
}

.cta-desc {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto 2.5rem;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 3rem;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-copper));
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all 0.4s ease;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(201, 169, 98, 0.4);
    color: #fff;
}

.cta-btn i {
    transition: transform 0.3s ease;
}

.cta-btn:hover i {
    transform: translateX(5px);
}

.cta-note {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 1.5rem;
}

/* ========== FOOTER ========== */
.footer {
    background: #050810;
    padding: 5rem 0 2rem;
}

.footer-brand {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1rem;
}

.footer-brand span {
    font-weight: 400;
    opacity: 0.7;
}

.footer-desc {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.5);
    line-height: 1.7;
    max-width: 300px;
}

.footer-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-copy {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
}

.footer-legal a {
    color: rgba(255,255,255,0.4);
    text-decoration: none;
    font-size: 0.8125rem;
    margin-left: 1.5rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--accent-gold);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 991px) {
    .hero-visual {
        display: none;
    }

    .process-line {
        display: none;
    }

    .process-step {
        margin-bottom: 2rem;
    }
}

@media (max-width: 767px) {
    .hero-section {
        padding-top: 100px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        justify-content: center;
    }
}