/* ==========================================================================
   SETSOL PRO - LUMEN DESIGN SYSTEM (JAPANESE ENTERPRISE TECH)
   ========================================================================== */

:root {
  --lumen-navy-950: #070B12;
  --lumen-navy-900: #0F172A;
  --lumen-navy-800: #1E293B;
  --lumen-navy-700: #334155;
  --lumen-cyan-600: #0284C7;
  --lumen-cyan-500: #0EA5E9;
  --lumen-cyan-400: #38BDF8;
  --lumen-cyan-100: #E0F2FE;
  --lumen-teal-500: #0D9488;
  --lumen-slate-600: #475569;
  --lumen-slate-500: #64748B;
  --lumen-slate-200: #E2E8F0;
  --lumen-slate-100: #F1F5F9;
  --lumen-slate-50: #F8FAFC;
  --lumen-white: #FFFFFF;
  
  --lumen-font-jp: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --lumen-font-en: "Plus Jakarta Sans", var(--lumen-font-jp);
  
  --lumen-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --lumen-shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
  --lumen-shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.12);
  --lumen-shadow-xl: 0 24px 48px -8px rgba(15, 23, 42, 0.2);
  
  --lumen-radius-sm: 6px;
  --lumen-radius-md: 12px;
  --lumen-radius-lg: 20px;
  --lumen-container: 1240px;
  --lumen-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--lumen-font-jp);
  color: var(--lumen-navy-900);
  background-color: var(--lumen-slate-50);
  line-height: 1.8;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}

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

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

.lumen-container {
  width: 100%;
  max-width: var(--lumen-container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.lumen-section {
  padding: 96px 0;
  position: relative;
}

.lumen-section-alt {
  background-color: #FFFFFF;
}

.lumen-section-dark {
  background-color: var(--lumen-navy-950);
  color: var(--lumen-white);
}

.lumen-header-wrap {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 56px auto;
}

.lumen-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background-color: var(--lumen-cyan-100);
  border: 1px solid rgba(2, 132, 199, 0.2);
  border-radius: 999px;
  color: var(--lumen-cyan-600);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.lumen-pill-dark {
  background-color: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.25);
  color: var(--lumen-cyan-400);
}

.lumen-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--lumen-navy-900);
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.lumen-section-dark .lumen-title {
  color: #FFFFFF;
}

.lumen-subtitle {
  font-size: 1.02rem;
  color: var(--lumen-slate-600);
  line-height: 1.8;
}

.lumen-section-dark .lumen-subtitle {
  color: #94A3B8;
}/* --- NAVBAR --- */
.lumen-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--lumen-slate-200);
}

.lumen-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.lumen-brand img {
  height: 44px;
  width: auto;
}

.lumen-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.lumen-nav-item a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--lumen-navy-800);
  padding: 8px 0;
  position: relative;
}

.lumen-nav-item a:hover {
  color: var(--lumen-cyan-600);
}

.lumen-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--lumen-radius-sm);
  font-weight: 700;
  font-size: 0.94rem;
  border: none;
  cursor: pointer;
  transition: var(--lumen-transition);
}

.lumen-btn-primary {
  background: linear-gradient(135deg, var(--lumen-cyan-600) 0%, var(--lumen-teal-500) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}

.lumen-btn-primary:hover {
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45);
  transform: translateY(-2px);
}

.lumen-btn-outline {
  background: transparent;
  color: var(--lumen-navy-800);
  border: 1.5px solid var(--lumen-slate-200);
}

.lumen-btn-outline:hover {
  background: var(--lumen-slate-100);
  border-color: var(--lumen-navy-700);
}

.lumen-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.lumen-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--lumen-navy-900);
  margin: 5px 0;
}

/* --- HERO SECTION (Sticky Split Visuals) --- */
.lumen-hero {
  padding: 80px 0 100px 0;
  background: radial-gradient(circle at 90% 10%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 10% 90%, rgba(13, 148, 136, 0.06) 0%, transparent 50%),
              #FAFCFF;
  border-bottom: 1px solid var(--lumen-slate-200);
}

.lumen-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.lumen-hero-headline {
  font-size: 2.9rem;
  font-weight: 800;
  line-height: 1.28;
  color: var(--lumen-navy-950);
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}

.lumen-hero-headline span {
  background: linear-gradient(135deg, var(--lumen-cyan-600) 0%, var(--lumen-teal-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lumen-hero-lead {
  font-size: 1.08rem;
  color: var(--lumen-slate-600);
  line-height: 1.85;
  margin-bottom: 32px;
}

.lumen-hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.lumen-hero-trust {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--lumen-slate-200);
}

.lumen-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--lumen-navy-800);
}

.lumen-trust-icon {
  width: 20px;
  height: 20px;
  color: var(--lumen-cyan-600);
}

.lumen-hero-media {
  position: relative;
  border-radius: var(--lumen-radius-lg);
  overflow: hidden;
  box-shadow: var(--lumen-shadow-xl);
  border: 1px solid var(--lumen-slate-200);
}

.lumen-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}/* --- VALUE PROPOSITION (Benefits Grid) --- */
.lumen-benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.lumen-benefit-card {
  background: #FFFFFF;
  padding: 34px 28px;
  border-radius: var(--lumen-radius-md);
  border: 1px solid var(--lumen-slate-200);
  box-shadow: var(--lumen-shadow-sm);
  transition: var(--lumen-transition);
}

.lumen-benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--lumen-shadow-lg);
  border-color: var(--lumen-cyan-400);
}

.lumen-benefit-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--lumen-cyan-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--lumen-cyan-600);
}

.lumen-benefit-icon {
  width: 26px;
  height: 26px;
}

.lumen-benefit-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--lumen-navy-900);
  margin-bottom: 12px;
}

.lumen-benefit-desc {
  font-size: 0.92rem;
  color: var(--lumen-slate-600);
  line-height: 1.75;
}

/* --- SERVICES GRID --- */
.lumen-services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.lumen-service-card {
  background: #FFFFFF;
  border-radius: var(--lumen-radius-md);
  overflow: hidden;
  border: 1px solid var(--lumen-slate-200);
  box-shadow: var(--lumen-shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--lumen-transition);
}

.lumen-service-card:hover {
  box-shadow: var(--lumen-shadow-lg);
  border-color: var(--lumen-cyan-500);
}

.lumen-service-img {
  height: 220px;
  width: 100%;
  object-fit: cover;
}

.lumen-service-body {
  padding: 30px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.lumen-service-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--lumen-navy-900);
  margin-bottom: 12px;
}

.lumen-service-desc {
  font-size: 0.92rem;
  color: var(--lumen-slate-600);
  line-height: 1.8;
  margin-bottom: 20px;
  flex-grow: 1;
}

.lumen-service-list {
  list-style: none;
  border-top: 1px solid var(--lumen-slate-100);
  padding-top: 16px;
}

.lumen-service-list li {
  font-size: 0.86rem;
  color: var(--lumen-navy-800);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.lumen-service-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--lumen-cyan-600);
  border-radius: 50%;
}

/* --- PROCESS TIMELINE (How It Works) --- */
.lumen-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
  margin-top: 40px;
}

.lumen-timeline-step {
  background: #FFFFFF;
  padding: 26px 20px;
  border-radius: var(--lumen-radius-md);
  border: 1px solid var(--lumen-slate-200);
  text-align: center;
  position: relative;
}

.lumen-step-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--lumen-navy-900);
  color: var(--lumen-cyan-400);
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
  border: 3px solid #FFFFFF;
  box-shadow: 0 0 0 2px var(--lumen-cyan-500);
}

.lumen-step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--lumen-navy-900);
  margin-bottom: 8px;
}

.lumen-step-desc {
  font-size: 0.84rem;
  color: var(--lumen-slate-600);
  line-height: 1.65;
}/* --- COMPARISON TABLE --- */
.lumen-table-wrap {
  background: #FFFFFF;
  border-radius: var(--lumen-radius-md);
  overflow: hidden;
  border: 1px solid var(--lumen-slate-200);
  box-shadow: var(--lumen-shadow-md);
}

.lumen-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.lumen-table th, .lumen-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--lumen-slate-200);
  font-size: 0.92rem;
}

.lumen-table th {
  background: var(--lumen-navy-950);
  color: #FFFFFF;
  font-weight: 700;
}

.lumen-table th.highlight, .lumen-table td.highlight {
  background: rgba(2, 132, 199, 0.05);
  font-weight: 600;
  border-left: 2px solid var(--lumen-cyan-600);
  border-right: 2px solid var(--lumen-cyan-600);
}

.lumen-table th.highlight {
  background: var(--lumen-navy-800);
  color: var(--lumen-cyan-400);
}

/* --- REVIEWS / TESTIMONIALS --- */
.lumen-reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.lumen-review-card {
  background: #FFFFFF;
  padding: 30px;
  border-radius: var(--lumen-radius-md);
  border: 1px solid var(--lumen-slate-200);
  box-shadow: var(--lumen-shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.lumen-review-stars {
  color: #F59E0B;
  margin-bottom: 14px;
  font-size: 1rem;
}

.lumen-review-text {
  font-size: 0.94rem;
  color: var(--lumen-navy-900);
  line-height: 1.8;
  margin-bottom: 20px;
}

.lumen-reviewer {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--lumen-slate-100);
  padding-top: 16px;
}

.lumen-reviewer img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
}

.lumen-reviewer h4 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--lumen-navy-900);
}

.lumen-reviewer p {
  font-size: 0.8rem;
  color: var(--lumen-slate-500);
}

/* --- FAQ ACCORDION --- */
.lumen-faq-container {
  max-width: 860px;
  margin: 0 auto;
}

.lumen-faq-item {
  background: #FFFFFF;
  border: 1px solid var(--lumen-slate-200);
  border-radius: var(--lumen-radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}

.lumen-faq-question {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--lumen-navy-900);
  gap: 14px;
}

.lumen-faq-icon {
  width: 18px;
  height: 18px;
  transition: transform 0.25s ease;
  flex-shrink: 0;
  color: var(--lumen-cyan-600);
}

.lumen-faq-item.active .lumen-faq-icon {
  transform: rotate(180deg);
}

.lumen-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
  color: var(--lumen-slate-600);
  font-size: 0.92rem;
  line-height: 1.8;
}

.lumen-faq-item.active .lumen-faq-answer {
  max-height: 1000px;
  padding-bottom: 20px;
  transition: max-height 0.4s ease-in-out;
}

/* --- LEAD FORM SECTION (Split Visual Panel) --- */
.lumen-lead-section {
  background: linear-gradient(135deg, var(--lumen-navy-950) 0%, #0F2338 100%);
  color: #FFFFFF;
  padding: 96px 0;
}

.lumen-lead-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 60px;
  align-items: start;
}

.lumen-lead-info h2 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 18px;
  color: #FFFFFF;
}

.lumen-lead-info p {
  font-size: 1rem;
  color: #CBD5E1;
  line-height: 1.8;
  margin-bottom: 28px;
}

.lumen-next-steps {
  list-style: none;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.lumen-next-steps li {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: #E2E8F0;
}

.lumen-step-pill {
  background: var(--lumen-cyan-600);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  height: fit-content;
  margin-top: 3px;
}

.lumen-form-card {
  background: #FFFFFF;
  color: var(--lumen-navy-900);
  padding: 40px 36px;
  border-radius: var(--lumen-radius-lg);
  box-shadow: var(--lumen-shadow-xl);
}

.lumen-form-group {
  margin-bottom: 18px;
}

.lumen-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.lumen-label {
  display: block;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--lumen-navy-900);
  margin-bottom: 6px;
}

.lumen-req {
  color: #DC2626;
  margin-left: 3px;
}

.lumen-input, .lumen-select, .lumen-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--lumen-slate-200);
  border-radius: var(--lumen-radius-sm);
  background-color: var(--lumen-slate-50);
  color: var(--lumen-navy-900);
  font-size: 0.92rem;
  transition: var(--lumen-transition);
}

.lumen-input:focus, .lumen-select:focus, .lumen-textarea:focus {
  outline: none;
  border-color: var(--lumen-cyan-600);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.lumen-consent-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--lumen-slate-600);
  line-height: 1.6;
  cursor: pointer;
}

.lumen-consent-label input {
  margin-top: 3px;
  accent-color: var(--lumen-cyan-600);
}

.lumen-form-msg {
  display: none;
  padding: 14px;
  border-radius: var(--lumen-radius-sm);
  margin-top: 18px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
}

.lumen-form-success {
  background-color: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.lumen-form-error {
  background-color: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FECACA;
}/* --- FOOTER --- */
.lumen-footer {
  background-color: var(--lumen-navy-950);
  color: #94A3B8;
  padding: 70px 0 36px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.86rem;
}

.lumen-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 50px;
}

.lumen-footer-brand p {
  color: #94A3B8;
  margin-top: 14px;
  line-height: 1.75;
}

.lumen-footer-title {
  color: #FFFFFF;
  font-size: 0.96rem;
  font-weight: 700;
  margin-bottom: 18px;
}

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

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

.lumen-footer-links a {
  color: #CBD5E1;
}

.lumen-footer-links a:hover {
  color: var(--lumen-cyan-400);
}

.lumen-footer-transparency {
  background: rgba(255, 255, 255, 0.03);
  padding: 18px;
  border-radius: var(--lumen-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.lumen-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* --- COOKIE CONSENT BANNER --- */
.lumen-cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 560px;
  margin: 0 auto;
  background: #FFFFFF;
  color: var(--lumen-navy-900);
  padding: 22px 26px;
  border-radius: var(--lumen-radius-md);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--lumen-slate-200);
  z-index: 9999;
  display: none;
}

.lumen-cookie-content h4 {
  font-size: 0.96rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.lumen-cookie-content p {
  font-size: 0.82rem;
  color: var(--lumen-slate-600);
  line-height: 1.6;
  margin-bottom: 14px;
}

.lumen-cookie-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.lumen-cookie-btn {
  padding: 7px 16px;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--lumen-radius-sm);
  cursor: pointer;
  border: none;
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 1024px) {
  .lumen-hero-grid,
  .lumen-lead-grid {
    grid-template-columns: 1fr;
  }
  .lumen-benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .lumen-timeline {
    grid-template-columns: 1fr;
  }
  .lumen-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .lumen-nav-links, .lumen-nav-btn-wrap {
    display: none;
  }
  .lumen-nav-toggle {
    display: block;
  }
  .lumen-nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    padding: 20px;
    border-bottom: 1px solid var(--lumen-slate-200);
    box-shadow: var(--lumen-shadow-lg);
  }
  .lumen-hero-headline {
    font-size: 2.2rem;
  }
  .lumen-benefits-grid,
  .lumen-services-grid,
  .lumen-reviews-grid {
    grid-template-columns: 1fr;
  }
  .lumen-form-row {
    grid-template-columns: 1fr;
  }
  .lumen-footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}