:root {
  --primary: #0D5C3A;
  --primary-rgb: 13, 92, 58;
  --primary-hover: #074028;
  --accent: #D4AF37;
  --accent-rgb: 212, 175, 55;
  --dark: #1E293B;
  --light: #F4F9F6;
  --white: #FFFFFF;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-600: #475569;
  --gray-700: #334155;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-heading: 'Noto Sans JP', sans-serif;
  --max-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--white);
  color: var(--dark);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

/* Base Layout Classes */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.bg-light {
  background-color: var(--light);
}

.grid {
  display: grid;
  gap: 32px;
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.align-center {
  align-items: center;
}

/* Headings & Section Structure */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
}

h1 {
  font-size: 2.25rem;
  letter-spacing: -0.5px;
}

h2 {
  font-size: 1.85rem;
  position: relative;
  display: inline-block;
}

h3 {
  font-size: 1.3rem;
}

section {
  padding: 80px 0;
}

.section-header {
  margin-bottom: 50px;
}

.section-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--accent);
  margin: 15px auto 0;
  border-radius: 2px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--gray-600);
  margin-top: 15px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Button UI Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-weight: 700;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.08);
}

.btn:focus-visible {
  outline: 3px solid rgba(var(--primary-rgb), 0.4);
  outline-offset: 2px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

/* Colors and states for buttons */
.btn, .btn-primary {
  background-color: var(--primary);
  color: var(--white);
}

.btn:hover, .btn-primary:hover {
  background-color: var(--primary-hover);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}

/* Cards Base styling */
.card {
  background-color: var(--white);
  border-radius: 12px;
  border: 1px solid var(--gray-200);
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
  padding: 32px;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 20px -8px rgba(0,0,0,0.12);
}

/* Header & Sticky Elements */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-200);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-link {
  display: flex;
  align-items: center;
}

.header-logo {
  object-fit: contain;
}

.nav-desktop {
  display: none;
  gap: 28px;
}

@media (min-width: 992px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-desktop a {
  font-weight: 500;
  color: var(--gray-700);
  font-size: 0.95rem;
}

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

.header-cta-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Mobile Toggler Navigation */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.mobile-menu-toggle .bar {
  width: 100%;
  height: 2.5px;
  background-color: var(--dark);
  border-radius: 4px;
  transition: var(--transition);
}

@media (min-width: 992px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* Mobile Navigation Dropdown Menu Drawer */
.mobile-menu {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background-color: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 24px;
  z-index: 999;
  box-shadow: 0 8px 16px rgba(0,0,0,0.08);
}

.mobile-menu.open {
  display: block;
}

.nav-mobile {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.nav-mobile a {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-700);
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
}

.nav-mobile a:last-of-type {
  border-bottom: none;
}

/* Hero Section layout */
.hero-section {
  background: linear-gradient(135deg, var(--light) 0%, rgba(255,255,255,1) 100%);
  padding: 60px 0;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-container {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.hero-content h1 {
  margin-top: 15px;
  margin-bottom: 20px;
}

.badge {
  display: inline-block;
  background-color: var(--primary);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--gray-600);
  margin-bottom: 30px;
}

/* Trust Strip */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 40px;
  border-top: 1px solid var(--gray-200);
  padding-top: 24px;
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.1;
}

.trust-text {
  font-size: 0.75rem;
  color: var(--gray-700);
  font-weight: 700;
  margin-top: 2px;
}

/* Hero media decorations */
.hero-image-wrapper {
  position: relative;
}

.hero-img {
  border-radius: 16px;
  box-shadow: 0 20px 40px -15px rgba(0,0,0,0.15);
  border: 1px solid var(--gray-200);
}

.hero-deco-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background-color: var(--accent);
  color: var(--dark);
  padding: 16px;
  border-radius: 12px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  text-align: center;
  min-width: 120px;
}

.badge-accent {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}

/* Benefit Block Grid items */
.benefit-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.icon-wrapper {
  width: 48px;
  height: 48px;
  background-color: var(--mint, #EAF2EE);
  color: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.svg-icon {
  width: 24px;
  height: 24px;
}

.benefit-card h3 {
  margin-bottom: 12px;
}

.benefit-card p {
  font-size: 0.95rem;
  color: var(--gray-600);
}

/* Step-by-Step progress line */
.steps-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

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

@media (min-width: 1200px) {
  .steps-container {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  background-color: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 32px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.step-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(var(--accent-rgb), 0.4);
  line-height: 1;
  margin-bottom: 15px;
}

.step-content h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.step-content p {
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* Services items catalog */
.service-item {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.service-img-wrapper {
  position: relative;
  overflow: hidden;
  height: 240px;
}

.service-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.service-item:hover .service-img-wrapper img {
  transform: scale(1.05);
}

.service-body {
  padding: 32px;
}

.service-body h3 {
  margin-bottom: 12px;
}

.service-body p {
  font-size: 0.95rem;
  color: var(--gray-600);
  margin-bottom: 20px;
}

.service-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-bullets li {
  font-size: 0.875rem;
  position: relative;
  padding-left: 20px;
  color: var(--gray-700);
}

.service-bullets li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

/* Social Proof Testimonials */
.testimonial-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.quote-text {
  font-size: 0.95rem;
  color: var(--gray-700);
  position: relative;
  padding-top: 20px;
  margin-bottom: 24px;
}

.quote-text::before {
  content: '“';
  font-family: 'Montserrat', sans-serif;
  font-size: 3rem;
  position: absolute;
  top: -15px;
  left: -5px;
  color: rgba(var(--primary-rgb), 0.1);
  line-height: 1;
}

.author-info {
  border-top: 1px solid var(--gray-200);
  padding-top: 16px;
}

.author-name {
  font-weight: 700;
  font-size: 1rem;
}

.author-meta {
  font-size: 0.8rem;
  color: var(--gray-600);
  line-height: 1.4;
}

.niche-tag {
  display: inline-block;
  background-color: var(--gray-100);
  color: var(--gray-700);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  margin-top: 4px;
}

/* About Us and Operator Display */
.about-content h2 {
  margin-bottom: 20px;
}

.about-content p {
  font-size: 0.975rem;
  color: var(--gray-600);
  margin-bottom: 20px;
}

.cross-border-box {
  background-color: var(--light);
  border-left: 4px solid var(--primary);
  padding: 16px;
  margin-top: 24px;
  border-radius: 0 8px 8px 0;
}

.cross-border-box h4 {
  font-size: 0.95rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.cross-border-box p {
  font-size: 0.85rem;
  color: var(--gray-700);
  margin-bottom: 0;
  line-height: 1.5;
}

.about-img {
  border-radius: 16px;
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
  border: 1px solid var(--gray-200);
}

/* Interactive Details FAQ */
.faq-accordion-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

details {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  margin-bottom: 12px;
  padding: 18px;
  transition: var(--transition);
}

details[open] {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(13, 92, 58, 0.05);
}

summary {
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 24px;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: '＋';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-weight: bold;
  transition: var(--transition);
}

details[open] summary::after {
  content: '－';
  color: var(--accent);
}

details p {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--gray-100);
  font-size: 0.925rem;
  color: var(--gray-600);
}

/* Contact Lead Form container */
.form-max-width {
  max-width: 750px;
  margin: 0 auto;
}

.form-header h2 {
  margin-bottom: 15px;
}

.lead-form-card {
  margin-top: 36px;
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 576px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
  font-size: 0.9rem;
}

.required {
  color: #DC2626;
  font-size: 0.75rem;
  background-color: #FEE2E2;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 4px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  background-color: var(--white);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(13, 92, 58, 0.1);
}

.phone-input-wrapper {
  display: flex;
  align-items: center;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  background-color: var(--white);
  overflow: hidden;
  transition: var(--transition);
}

.phone-input-wrapper:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(13, 92, 58, 0.1);
}

.phone-prefix {
  background-color: var(--gray-100);
  padding: 12px 16px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  border-right: 1px solid var(--gray-300);
  user-select: none;
}

.phone-input {
  border: none;
  border-radius: 0;
  flex: 1;
}

.phone-input:focus {
  box-shadow: none;
}

.field-desc {
  font-size: 0.75rem;
  color: var(--gray-600);
  margin-top: 6px;
}

.consent-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 30px;
  margin-bottom: 30px;
}

.checkbox-control {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  cursor: pointer;
}

.consent-label {
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--gray-700);
  cursor: pointer;
}

.consent-label a {
  text-decoration: underline;
  font-weight: 700;
}

.privacy-microcopy {
  font-size: 0.75rem;
  color: var(--gray-600);
  text-align: center;
  margin-top: 15px;
}

/* Success Modal window on form submission */
.success-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.success-modal.open {
  display: flex;
}

.success-modal-content {
  background-color: var(--white);
  border-radius: 16px;
  padding: 40px;
  max-width: 550px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
  animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalIn {
  from {
    transform: translateY(20px) scale(0.95);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.success-icon-badge {
  width: 64px;
  height: 64px;
  background-color: var(--primary);
  color: var(--white);
  font-size: 2rem;
  font-weight: bold;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.success-modal-content h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.success-modal-content p {
  font-size: 0.95rem;
  color: var(--gray-600);
  margin-bottom: 15px;
}

.success-modal-content .btn {
  margin-top: 15px;
}

/* Sticky Footer styling */
footer {
  background-color: #111827;
  color: #9CA3AF;
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

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

@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 1.5fr 0.8fr 1fr 1.2fr;
  }
}

.footer-logo {
  margin-bottom: 20px;
  filter: brightness(0) invert(1);
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.legal-entity-footer {
  font-size: 0.8rem;
  color: var(--white);
}

.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

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

.footer-links a {
  color: #9CA3AF;
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer-contact-info {
  font-size: 0.85rem;
  margin-bottom: 15px;
  line-height: 1.5;
}

.footer-contact-info strong {
  color: var(--white);
}

.footer-contact-info a {
  color: var(--accent);
}

.footer-contact-info a:hover {
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid #1F2937;
  padding: 30px 0;
}

.copyright {
  font-size: 0.775rem;
}

/* Cookie consent notification block */
.cookie-consent-banner {
  display: none;
  position: fixed;
  bottom: 24px;
  left: 24px;
  max-width: 480px;
  background-color: #1F2937;
  color: #F9FAFB;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.3);
  z-index: 1500;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.cookie-banner-content p {
  font-size: 0.825rem;
  line-height: 1.5;
  margin-bottom: 16px;
}

.cookie-banner-content a {
  color: var(--accent);
  text-decoration: underline;
}

.cookie-banner-buttons {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.cookie-btn {
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.cookie-accept {
  background-color: var(--primary);
  color: var(--white);
}

.cookie-accept:hover {
  background-color: var(--primary-hover);
}

.cookie-reject {
  background-color: transparent;
  color: #9CA3AF;
  border: 1px solid #4B5563;
}

.cookie-reject:hover {
  background-color: rgba(255,255,255,0.05);
  color: var(--white);
}

/* Floating back to top */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background-color: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 900;
  font-size: 1rem;
}

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

.back-to-top:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
}