:root {
  --ink-950: #111827;
  --ink-800: #1f2937;
  --ink-650: #4b5563;
  --ink-500: #6b7280;
  --line: #e5e7eb;
  --paper: #ffffff;
  --mist: #f6f8fb;
  --mist-2: #eef3f6;
  --teal-700: #0f766e;
  --teal-600: #0d9488;
  --gold-600: #a97919;
  --gold-500: #c9972b;
  --blue-700: #1d4ed8;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
  --font-serif: Georgia, 'Noto Serif SC', 'Noto Serif JP', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
  --header-h: 72px;
  --container-w: 1180px;
  --transition: 0.24s ease;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--ink-650);
  background: var(--paper);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.header.scrolled {
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.08);
}

.header-inner {
  max-width: var(--container-w);
  height: var(--header-h);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 34px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.logo-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  color: var(--paper);
  background: linear-gradient(135deg, var(--teal-700), var(--ink-950));
  font-family: var(--font-serif);
  font-weight: 700;
}

.logo-text {
  font-family: var(--font-serif);
  color: var(--ink-950);
  font-size: 1.24rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.logo-img {
  display: block;
  height: 48px;
  width: auto;
}

.nav {
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-item a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  color: var(--ink-800);
  font-size: 0.92rem;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-item a:hover {
  color: var(--teal-700);
  border-bottom-color: var(--gold-500);
}

.nav-item.active a {
  color: var(--teal-700);
  border-bottom-color: var(--gold-500);
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-500);
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--ink-500);
  font-family: var(--font-sans);
  font-size: 0.86rem;
  cursor: pointer;
  padding: 4px 2px;
}

.lang-btn.active {
  color: var(--teal-700);
  font-weight: 700;
}

.lang-divider {
  color: #cbd5e1;
}

.btn-outline,
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 18px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.btn-outline {
  color: var(--teal-700);
  border: 1px solid rgba(15, 118, 110, 0.35);
}

.btn-outline:hover {
  border-color: var(--teal-700);
  background: rgba(15, 118, 110, 0.06);
}

.btn-primary {
  color: var(--paper);
  background: var(--teal-700);
}

.btn-primary:hover {
  background: var(--ink-950);
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--ink-950);
}


.hero {
  position: relative;
  height: clamp(520px, 78vh, 680px);
  min-height: 520px;
  margin-top: var(--header-h);
  overflow: hidden;
}

.hero-slides,
.hero-slide {
  position: absolute;
  inset: 0;
}

.hero-slide {
  background-size: cover;
  background-position: center 34%;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17, 24, 39, 0.88), rgba(17, 24, 39, 0.48) 52%, rgba(17, 24, 39, 0.12)),
    linear-gradient(0deg, rgba(17, 24, 39, 0.45), rgba(17, 24, 39, 0));
}

.hero-content {
  position: absolute;
  left: max(24px, calc((100vw - var(--container-w)) / 2 + 24px));
  bottom: 18%;
  z-index: 2;
  max-width: 650px;
  color: var(--paper);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--gold-500);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-content h1 {
  max-width: 13em;
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: clamp(2.15rem, 4vw, 4.2rem);
  line-height: 1.16;
  margin-bottom: 18px;
}

.hero-content p {
  max-width: 42em;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.08rem;
  margin-bottom: 28px;
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal-700);
  font-size: 0.94rem;
  font-weight: 800;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.cta-link::after {
  content: "->";
  font-family: var(--font-sans);
}

.cta-link:hover {
  color: var(--gold-600);
  border-bottom-color: currentColor;
}

.cta-light {
  color: var(--paper);
}

.cta-light:hover {
  color: var(--gold-500);
}

.hero-dots {
  position: absolute;
  right: max(24px, calc((100vw - var(--container-w)) / 2 + 24px));
  bottom: 34px;
  z-index: 3;
  display: flex;
  gap: 10px;
}

.dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.72);
  background: transparent;
  cursor: pointer;
}

.dot.active {
  background: var(--paper);
  border-color: var(--paper);
}

.intro,
.services,
.markets,
.message,
.licenses,
.company,
.contact {
  padding: 92px 0;
}

.intro,
.markets,
.company {
  background: var(--mist);
}

.intro-grid,
.message-grid,
.company-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 56px;
  align-items: center;
}

.intro-media,
.message-media {
  overflow: hidden;
  border-radius: 6px;
  box-shadow: var(--shadow);
  background: var(--paper);
}

.intro-media img,
.message-media img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: top center;
}

.intro-copy h2,
.section-heading h2,
.message-copy h2,
.company-panel h2,
.contact h2 {
  color: var(--ink-950);
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 2.8vw, 2.65rem);
  line-height: 1.25;
}

.intro-copy p,
.section-heading p,
.message-copy p,
.contact p {
  margin-top: 18px;
  color: var(--ink-650);
  font-size: 1.02rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.metrics div {
  min-height: 96px;
  padding: 18px;
  border-left: 3px solid var(--teal-600);
  background: var(--paper);
}

.metrics strong {
  display: block;
  color: var(--ink-950);
  font-family: var(--font-serif);
  font-size: 1.5rem;
  line-height: 1.2;
}

.metrics span {
  display: block;
  margin-top: 6px;
  color: var(--ink-500);
  font-size: 0.9rem;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 38px;
}

.services-grid,
.market-grid,
.license-grid {
  display: grid;
  gap: 22px;
}

.services-grid {
  grid-template-columns: repeat(4, 1fr);
}

.service-card,
.market-card,
.license-card,
.company-panel {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.service-card {
  min-height: 300px;
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover,
.market-card:hover,
.license-card:hover {
  transform: translateY(-3px);
  border-color: rgba(15, 118, 110, 0.35);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}

.service-icon {
  width: 50px;
  height: 50px;
  margin-bottom: 22px;
  color: var(--teal-700);
}

.service-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3,
.market-card h3,
.license-card strong {
  color: var(--ink-950);
  font-family: var(--font-serif);
  font-size: 1.22rem;
  line-height: 1.35;
}

.service-card p,
.market-card p,
.license-card p {
  margin-top: 12px;
  color: var(--ink-500);
  font-size: 0.94rem;
}

.markets-desc {
  max-width: 780px;
  margin-bottom: 38px;
  color: var(--ink-650);
  font-size: 1.02rem;
}

.market-grid {
  grid-template-columns: repeat(4, 1fr);
}

.market-card {
  min-height: 180px;
  padding: 26px;
  border-top: 4px solid var(--gold-500);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.message {
  background: var(--paper);
}

.message-grid {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.message-copy blockquote {
  margin: 28px 0 22px;
  padding: 22px 26px;
  border-left: 4px solid var(--gold-500);
  color: var(--ink-950);
  background: var(--mist);
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.45;
}

.signature {
  color: var(--ink-950);
  font-weight: 800;
}

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

.license-card {
  min-height: 200px;
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.license-card span {
  display: block;
  margin-bottom: 14px;
  color: var(--teal-700);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.license-card strong {
  display: block;
}

.company-grid {
  align-items: stretch;
}

.company-panel {
  padding: 34px;
}

.company-list div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.company-list div:last-child {
  border-bottom: 0;
}

.company-list dt {
  color: var(--ink-500);
  font-weight: 800;
}

.company-list dd {
  color: var(--ink-950);
}

.purpose-list {
  margin-top: 20px;
}

.purpose-list li {
  position: relative;
  padding: 11px 0 11px 24px;
  color: var(--ink-800);
  border-bottom: 1px solid var(--line);
}

.purpose-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-600);
}

.contact {
  color: var(--paper);
  background: var(--ink-950);
}

.contact .eyebrow {
  color: var(--gold-500);
}

.contact h2 {
  color: var(--paper);
}

.contact p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.78);
}

.contact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.contact .btn-primary {
  flex-shrink: 0;
  background: var(--gold-500);
  color: var(--ink-950);
}

.contact .btn-primary:hover {
  background: var(--paper);
}

.footer {
  padding: 58px 0 30px;
  background: #0b1220;
  color: rgba(255, 255, 255, 0.72);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: 38px;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
}

.footer h4 {
  margin-bottom: 14px;
  color: var(--gold-500);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer a:not(.footer-logo) {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.footer a:hover {
  color: var(--paper);
}

.footer p {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9rem;
}

.footer-bottom {
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

@media (max-width: 1080px) {
  .nav-list {
    gap: 18px;
  }

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

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

@media (max-width: 820px) {
  :root {
    --header-h: 62px;
  }

  .header-inner {
    gap: 16px;
  }

  .nav,
  .header-actions {
    display: none;
  }

  .mobile-toggle {
    display: flex;
    margin-left: auto;
  }

  .header.open .nav {
    display: block;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    padding: 12px 24px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .header.open .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .header.open .nav-item a {
    display: flex;
    min-height: 44px;
    border-bottom: 1px solid var(--line);
  }

  .header.open .header-actions {
    display: flex;
    position: absolute;
    top: calc(var(--header-h) + 264px);
    left: 0;
    right: 0;
    padding: 14px 24px 18px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .hero {
    min-height: 460px;
    height: 76vh;
  }

  .hero-content {
    left: 24px;
    right: 24px;
    bottom: 16%;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .intro,
  .services,
  .markets,
  .message,
  .licenses,
  .company,
  .contact {
    padding: 68px 0;
  }

  .intro-grid,
  .message-grid,
  .company-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .intro-media img,
  .message-media img {
    height: 430px;
  }

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

  .services-grid,
  .market-grid {
    grid-template-columns: 1fr;
  }

  .contact-inner {
    align-items: flex-start;
    flex-direction: column;
  }

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

@media (max-width: 560px) {
  .container,
  .header-inner {
    padding-left: 18px;
    padding-right: 18px;
  }

  .logo-mark {
    width: 38px;
    height: 38px;
  }

  .logo-text {
    font-size: 1.08rem;
  }

  .logo-img {
    height: 38px;
  }

  .hero {
    min-height: 500px;
  }

  .hero-content {
    left: 18px;
    right: 18px;
  }

  .hero-content p {
    font-size: 0.96rem;
  }

  .hero-dots {
    right: 18px;
    bottom: 22px;
  }

  .intro-media img,
  .message-media img {
    height: 320px;
  }

  .service-card,
  .market-card,
  .license-card,
  .company-panel {
    padding: 24px;
  }

  .company-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

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