:root {
  --color-primary: #0b192c;
  --color-accent: #2b7a4b;
  --color-accent-light: #eaf3ec;
  --color-text: #334155;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
  --color-bg-light: #f8fafc;
  --color-white: #ffffff;
  --font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.7;
  font-size: 15px;
}

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

a:hover {
  opacity: 0.85;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
}

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

.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

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

.logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
}

.header-nav a:hover,
.nav-active {
  color: var(--color-accent) !important;
  font-weight: 700;
}

.btn-nav {
  padding: 8px 18px;
  border-radius: 4px;
  background-color: var(--color-primary);
  color: var(--color-white) !important;
}

.btn-nav:hover {
  background-color: #1a2f4c;
}

.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
  padding: 90px 0;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../images/top-images.jpg') center center / cover no-repeat;
  z-index: 1;
}

.hero-bg::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(11, 25, 44, 0.88) 0%,
    rgba(11, 25, 44, 0.68) 55%,
    rgba(11, 25, 44, 0.35) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-tagline {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #93c5fd;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-size: 16px;
  line-height: 1.8;
  color: #e2e8f0;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: #1a2f4c;
}

.btn-outline-white {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(4px);
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.btn-block {
  width: 100%;
  margin-top: 8px;
}

.section-header {
  margin-bottom: 44px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.section-subtext {
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 15px;
}

.about-summary {
  font-size: 16px;
  line-height: 1.9;
  max-width: 820px;
}

.about-summary p + p {
  margin-top: 16px;
}

.about-link-wrap {
  margin-top: 24px;
}

.text-link {
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.summary-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}

.summary-num {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.summary-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.summary-en {
  font-size: 12px;
  color: var(--color-muted);
  font-weight: 500;
  margin-bottom: 16px;
}

.summary-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

.service-btn-wrap {
  text-align: center;
  margin-top: 40px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 28px;
}

.network-card .tag {
  display: inline-block;
  padding: 3px 8px;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  margin-bottom: 14px;
}

.network-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.network-card .sub-lead {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.network-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px;
}

.step-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.step-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.step-item p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
}

.contact-box {
  max-width: 640px;
}

.contact-desc {
  margin-top: 12px;
  color: var(--color-muted);
}

.contact-form {
  margin-top: 32px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.required {
  font-size: 11px;
  color: #dc2626;
  margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  outline: none;
  background-color: var(--color-bg-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background-color: var(--color-white);
}

.contact-page-link {
  margin-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--color-muted);
}

.contact-page-link a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: underline;
}

.page-header {
  padding: 60px 0 40px;
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.page-lead {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 760px;
}

.page-main {
  padding: 60px 0 88px;
}

.company-section {
  margin-bottom: 72px;
}

.message-box {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 40px;
}

.message-lead {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.message-content p + p {
  margin-top: 16px;
}

.message-author {
  margin-top: 32px;
  text-align: right;
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}

.author-title {
  font-size: 13px;
  color: var(--color-muted);
}

.author-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
}

.author-name span {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
}

.profile-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--color-border);
}

.profile-table th,
.profile-table td {
  padding: 18px 24px;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.8;
}

.profile-table th {
  width: 220px;
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  font-weight: 600;
  text-align: left;
  vertical-align: top;
}

.profile-table td {
  background-color: var(--color-white);
  color: var(--color-text);
}

.profile-table tr:last-child th,
.profile-table tr:last-child td {
  border-bottom: none;
}

.en-address {
  display: block;
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 4px;
}

.business-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.business-item strong {
  display: block;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.business-item p {
  color: var(--color-muted);
  font-size: 13px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.team-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 32px;
}

.team-role {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.team-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.team-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.team-contact {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
}

.access-box {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

.access-info {
  padding: 24px;
  background-color: var(--color-bg-light);
  font-size: 14px;
  line-height: 1.8;
  border-bottom: 1px solid var(--color-border);
}

.map-wrapper {
  position: relative;
  width: 100%;
  line-height: 0;
}

.map-wrapper iframe {
  width: 100%;
  height: 380px;
  border: 0;
  display: block;
}

.company-cta,
.service-cta {
  text-align: center;
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 48px 24px;
  margin-top: 40px;
}

.company-cta h3,
.service-cta h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.company-cta p,
.service-cta p {
  color: var(--color-muted);
  margin-bottom: 24px;
  font-size: 14px;
}

.service-category {
  margin-bottom: 72px;
}

.category-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 12px;
  margin-bottom: 32px;
}

.category-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-accent);
}

.category-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
}

.category-en {
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 500;
}

.service-sub-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 32px;
}

.target-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  background-color: #e0f2fe;
  color: #0369a1;
  margin-bottom: 14px;
}

.target-tag.global-tag {
  background-color: #fef3c7;
  color: #92400e;
}

.service-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.service-summary {
  font-size: 14px;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.6;
}

.service-checklist {
  list-style: none;
  border-top: 1px dashed var(--color-border);
  padding-top: 14px;
}

.service-checklist li {
  font-size: 13px;
  color: var(--color-muted);
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
}

.service-checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.regional-box {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 36px;
}

.regional-box h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.regional-lead {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.regional-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.regional-item {
  background: var(--color-white);
  padding: 20px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.regional-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.regional-item p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
}

.site-footer {
  background-color: var(--color-primary);
  color: #94a3b8;
  padding-top: 60px;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 40px;
  border-bottom: 1px solid #1e293b;
}

.footer-group {
  font-size: 12px;
  font-weight: 600;
  color: #cbd5e1;
}

.footer-company {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.footer-address,
.footer-contact-info {
  line-height: 1.8;
  margin-bottom: 8px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: #cbd5e1;
}

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

.footer-copy {
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
}

@media (max-width: 768px) {
  .header-nav a:not(.btn-nav) {
    display: none;
  }

  .logo-img {
    height: 32px;
  }

  .hero {
    min-height: auto;
    padding: 60px 0;
  }

  .hero-title {
    font-size: 28px;
  }

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

  .btn {
    width: 100%;
  }

  .service-summary-grid,
  .card-grid,
  .flow-steps,
  .team-grid,
  .service-sub-grid,
  .regional-items {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 24px;
  }

  .page-header {
    padding: 40px 0 30px;
  }

  .page-title {
    font-size: 26px;
  }

  .page-main {
    padding: 40px 0 60px;
  }

  .message-box,
  .regional-box,
  .service-card,
  .team-card {
    padding: 20px;
  }

  .profile-table,
  .profile-table tbody,
  .profile-table tr,
  .profile-table th,
  .profile-table td {
    display: block;
    width: 100%;
  }

  .profile-table th {
    border-bottom: none;
    padding-bottom: 4px;
    background-color: transparent;
  }

  .profile-table td {
    padding-top: 0;
    padding-bottom: 20px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
  }
}