:root {
  --navy: #1B2A4A;
  --navy-deep: #0F1B33;
  --navy-light: #243B66;
  --gold: #C9A227;
  --gold-soft: #E4C766;
  --gold-light: #F7F1DE;
  --ivory: #FAF8F3;
  --sand: #EDE6D6;
  --sand-light: #F6F3EC;
  --slate: #5C6B82;
  --slate-dark: #3A4759;
  --ink: #1A1A1A;
  --text-muted: #4A5568;
  --line: rgba(27, 42, 74, 0.12);
  --line-gold: rgba(201, 162, 39, 0.3);
  --card-bg: #FFFFFF;
  --radius: 6px;
  --shadow-sm: 0 2px 8px rgba(15, 27, 51, 0.05);
  --shadow-md: 0 6px 20px rgba(15, 27, 51, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 27, 51, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--ivory);
  color: var(--ink);
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .serif {
  font-family: 'Shippori Mincho', "Noto Serif JP", serif;
  color: var(--navy);
  letter-spacing: 0.03em;
}

.wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

ul {
  list-style: none;
}

ul.bullets li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

ul.bullets li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 248, 243, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.topbar {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.logo-slot {
  height: 48px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-slot img {
  height: 52px;
  width: auto;
  display: block;
}

.lang-switch {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
  align-items: center;
}

.lang-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--navy);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 11px;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
}

.lang-btn:hover {
  border-color: var(--navy);
  color: var(--navy);
  background: var(--sand-light);
}

.lang-btn.active {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
  box-shadow: 0 2px 6px rgba(27, 42, 74, 0.2);
}

.navbar {
  border-top: 1px solid var(--line);
  background: var(--sand);
}

.navbar-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: center;
  gap: 22px;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.navbar-inner::-webkit-scrollbar {
  height: 3px;
}

.navbar-inner::-webkit-scrollbar-thumb {
  background: var(--gold);
}

.navbar-inner a {
  position: relative;
  display: inline-block;
  padding: 12px 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--navy);
  text-decoration: none;
  transition: color 0.2s ease;
}

.navbar-inner a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-inner a:hover {
  color: var(--gold);
}

.navbar-inner a:hover::after {
  width: 100%;
}

.navbar-inner a[aria-current="page"] {
  color: var(--gold);
  font-weight: 700;
}

.navbar-inner a[aria-current="page"]::after {
  width: 100%;
}

/* Sections */
section {
  padding: 76px 0;
}

.section-alt {
  background: var(--sand);
}

.section-head {
  max-width: 760px;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  margin: 12px 0 16px;
  line-height: 1.4;
}

.section-head p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}

/* Top Page Splash & Hero */
.splash-hero {
  background: #FFFFFF;
  border-bottom: 1px solid var(--line);
  padding: 50px 0 44px;
  text-align: center;
}

.splash-logo-container {
  max-width: 580px;
  margin: 0 auto 20px;
}

.splash-logo-container img {
  width: 100%;
  max-width: 440px;
  height: auto;
  display: inline-block;
}

.splash-tagline {
  font-size: 15px;
  color: var(--navy);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.splash-subtagline {
  font-size: 12px;
  color: var(--slate);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.partner-links-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.partner-link-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  color: #2B6CB0;
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 600;
  transition: color 0.2s ease;
}

.partner-link-item:hover {
  color: #1A365D;
}

.hero-banner-section {
  padding: 36px 0 60px;
  background: var(--sand-light);
}

.hero-visual-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
  max-height: 480px;
}

.hero-visual-card img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  display: block;
}

.hero-visual-card .caption-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(15, 27, 51, 0.88) 0%, rgba(15, 27, 51, 0) 100%);
  padding: 30px 32px 20px;
  color: #FFFFFF;
}

.hero-visual-card .caption-overlay h2 {
  color: #FFFFFF;
  font-size: 22px;
  margin-bottom: 6px;
}

.hero-visual-card .caption-overlay p {
  font-size: 13.5px;
  color: #E2E8F0;
}

/* News List */
.news-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 24px;
}

.news-card {
  display: flex;
  gap: 28px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  align-items: flex-start;
}

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

.news-photo {
  width: 240px;
  flex-shrink: 0;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.news-photo img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.news-body {
  flex: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.news-date {
  font-size: 12.5px;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.news-body h3 {
  font-size: 19px;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.45;
}

.news-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  white-space: pre-line;
}

.news-ext-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 13.5px;
  color: #2B6CB0;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Card Grid Styles */
.card-grid {
  display: grid;
  gap: 22px;
}

.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: #FFFFFF;
  border: 1px solid var(--line);
  padding: 26px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.card.navy-card {
  background: var(--navy);
  color: #FFFFFF;
  border-color: var(--navy-deep);
}

.card.navy-card h3 {
  color: var(--gold);
}

.card.navy-card p {
  color: #E2E8F0;
}

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

.card.blue-left {
  border-left: 4px solid var(--navy);
}

.num-tag {
  font-family: 'Shippori Mincho', serif;
  color: var(--navy);
  font-weight: 700;
  font-size: 17px;
  margin-bottom: 10px;
  display: block;
  letter-spacing: 0.02em;
}

/* CEO & Executive Styles */
.ceo-section-box {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 40px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 36px;
}

.brand-identity-box {
  background: var(--gold-light);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius);
  padding: 26px 30px;
  margin-bottom: 34px;
}

.brand-identity-box h3 {
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-identity-box p {
  font-size: 14.5px;
  color: var(--slate-dark);
  line-height: 1.85;
}

.ceo-profile-flex {
  display: flex;
  gap: 36px;
  align-items: flex-start;
}

.ceo-photo-slot {
  width: 200px;
  flex-shrink: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.ceo-photo-slot img {
  width: 100%;
  display: block;
}

.ceo-message-content {
  flex: 1;
}

.ceo-message-content p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 16px;
}

.ceo-signature-block {
  margin-top: 24px;
  text-align: right;
  border-top: 1px dashed var(--line);
  padding-top: 16px;
}

.ceo-signature-block .role-title {
  font-size: 12.5px;
  color: var(--slate);
  letter-spacing: 0.1em;
}

.ceo-signature-block .ceo-name {
  font-size: 22px;
  font-family: 'Shippori Mincho', serif;
  font-weight: 700;
  color: var(--navy);
}

/* Vision & Co-Founders Layout */
.vision-hero-card {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 36px;
  margin-bottom: 32px;
}

.vision-pill-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.vision-pill-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 18px;
  background: var(--gold);
  border-radius: 2px;
}

.vision-stages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 22px;
}

.stage-card {
  background: var(--sand-light);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.stage-card h4 {
  font-size: 15.5px;
  color: var(--navy);
  margin-bottom: 10px;
  font-weight: 700;
}

.stage-card p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.8;
}

.founders-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 28px;
}

.founder-card {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.founder-photo {
  width: 100%;
  height: 440px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 16px;
}

.founder-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.founder-header {
  margin-bottom: 14px;
}

.founder-role {
  font-size: 12px;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.05em;
  display: block;
}

.founder-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin: 4px 0;
}

.founder-bio {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* Environment Page (ESG DX) */
.ecoratings-banner {
  background: linear-gradient(135deg, #1B2A4A 0%, #0F1B33 100%);
  border-radius: var(--radius);
  padding: 34px 38px;
  color: #FFFFFF;
  margin-bottom: 36px;
  box-shadow: var(--shadow-md);
}

.ecoratings-banner h3 {
  color: var(--gold-soft);
  font-size: 22px;
  margin-bottom: 14px;
}

.ecoratings-banner p {
  color: #E2E8F0;
  font-size: 14.5px;
  line-height: 1.85;
  margin-bottom: 20px;
}

.eco-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--navy-deep);
  font-size: 13.5px;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 4px;
  margin-right: 14px;
  margin-bottom: 8px;
  transition: background 0.2s ease;
}

.eco-link-btn:hover {
  background: var(--gold-soft);
}

.eco-doc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #CBD5E0;
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.eco-doc-link:hover {
  color: #FFFFFF;
}

.reg-card {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.reg-card h3 {
  font-size: 18px;
  margin-bottom: 14px;
  color: var(--navy);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 8px;
  display: inline-block;
}

.pillar-4-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.pillar-box {
  background: var(--sand-light);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 16px;
  text-align: center;
  font-weight: 700;
  color: var(--navy);
  font-size: 14px;
}

.highlight-red-banner {
  background: #FFF5F5;
  border: 1px solid #FEB2B2;
  border-left: 4px solid #E53E3E;
  padding: 18px 24px;
  border-radius: 4px;
  color: #9B2C2C;
  font-weight: 600;
  font-size: 14.5px;
  margin-top: 24px;
}

/* Market Maps */
.map-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 24px 0 36px;
}

.map-fig {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin: 0;
  box-shadow: var(--shadow-sm);
}

.map-fig img {
  width: 100%;
  display: block;
  border-radius: 4px;
}

.map-fig figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--slate);
  margin-top: 10px;
  font-weight: 600;
}

/* Contact Page Styles */
.contact-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 32px;
  margin-top: 24px;
}

.contact-info-panel {
  background: var(--navy);
  color: #FFFFFF;
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow-md);
}

.contact-block {
  margin-bottom: 28px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.contact-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.contact-block h3 {
  font-size: 17px;
  color: var(--gold);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}

.contact-detail-row {
  margin-bottom: 8px;
  font-size: 14px;
  color: #E2E8F0;
  line-height: 1.75;
}

.contact-detail-row b {
  color: #FFFFFF;
  margin-right: 6px;
}

.contact-detail-row a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Interactive Contact Trigger & Form */
.form-toggle-banner {
  background: #C9A227;
  color: #1B2A4A;
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  border: 2px solid #B08D20;
}

.form-toggle-banner:hover {
  background: #E4C766;
  transform: translateY(-2px);
}

.form-toggle-icon {
  font-size: 32px;
}

.form-toggle-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.form-toggle-sub {
  font-size: 12px;
  opacity: 0.85;
}

.contact-form-card {
  display: none;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  margin-top: 18px;
}

.contact-form-card.open {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-row {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.badge-req {
  background: #E53E3E;
  color: #FFFFFF;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 6px;
  font-weight: normal;
}

.badge-opt {
  background: #A0AEC0;
  color: #FFFFFF;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 6px;
  font-weight: normal;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  background: var(--ivory);
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(27, 42, 74, 0.1);
  background: #FFFFFF;
}

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

.postal-row {
  display: flex;
  gap: 10px;
}

.postal-btn {
  background: var(--navy);
  color: #FFFFFF;
  border: none;
  padding: 0 16px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  font-weight: 600;
}

.postal-btn:hover {
  background: var(--navy-deep);
}

.form-submit-btn {
  width: 100%;
  background: var(--navy);
  color: #FFFFFF;
  border: none;
  padding: 14px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s ease;
  margin-top: 10px;
}

.form-submit-btn:hover {
  background: var(--navy-deep);
}

.contact-thanks-box {
  display: none;
  background: #C6F6D5;
  border: 1px solid #9AE6B4;
  color: #22543D;
  padding: 16px 20px;
  border-radius: 4px;
  margin-top: 16px;
  font-size: 14px;
}

.contact-thanks-box.show {
  display: block;
}

/* Footer */
footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  font-size: 13px;
  background: var(--navy-deep);
  color: #A0AEC0;
  text-align: center;
}

/* Mobile & Responsive */
@media (max-width: 992px) {
  .wrap {
    padding: 0 20px;
  }
  .topbar {
    padding: 0 16px;
  }
  .navbar-inner {
    padding: 0 16px;
    justify-content: flex-start;
    gap: 16px;
  }
  .cols-2, .cols-3, .vision-stages-grid, .founders-grid, .pillar-4-grid, .map-grid, .contact-layout-grid {
    grid-template-columns: 1fr;
  }
  .ceo-profile-flex {
    flex-direction: column;
  }
  .ceo-photo-slot {
    width: 140px;
    margin: 0 auto 16px;
  }
  .news-card {
    flex-direction: column;
  }
  .news-photo {
    width: 100%;
    height: auto;
  }
  .hero-visual-card img {
    height: 280px;
  }
}