:root {
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --bg-body: #f8f7f5;
  --bg-surface: #ffffff;
  --bg-subtle: #f2efe9;
  --text-primary: #141b24;
  --text-secondary: #535d6c;
  --text-muted: #768190;
  --color-primary: #0f1e33;
  --color-primary-hover: #192d4a;
  --color-accent: #be3a2b;
  --color-accent-hover: #a12f22;
  --color-border: #e4e1d8;
  --color-border-subtle: #eeece5;
  --shadow-sm: 0 2px 6px rgba(15, 30, 51, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 30, 51, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 30, 51, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --max-width: 1160px;
}

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

html {
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-body);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

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

a:focus-visible, button:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 700;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

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

.container-sm {
  max-width: 820px;
}

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

.header-inner {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.logo-mark {
  font-size: 1.35rem;
}

.logo-text span {
  font-weight: 400;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-icon, .nav-toggle-icon::before, .nav-toggle-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  transition: transform 0.2s ease;
}

.nav-toggle-icon::before {
  content: "";
  transform: translateY(-6px);
}

.nav-toggle-icon::after {
  content: "";
  transform: translateY(4px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  line-height: 1.3;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: #ffffff;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-primary);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: #ffffff;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Sections */
.section {
  padding: 80px 0;
}

.bg-light {
  background-color: #ffffff;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* Hero */
.hero-section {
  padding: 72px 0 84px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.hero-title {
  font-size: clamp(2.2rem, 4.2vw, 3.2rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-primary);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.metric-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.hero-img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  padding: 32px 28px;
  border-radius: var(--radius-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.4;
}

.card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Pricing Banner */
.pricing-banner {
  background: #ffffff;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.pricing-badge {
  display: inline-block;
  background-color: var(--color-subtle, #f0ede5);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.pricing-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.pricing-amount {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 20px;
}

.pricing-amount .currency {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-left: 4px;
}

.pricing-desc {
  max-width: 640px;
  margin: 0 auto 32px;
  font-size: 1rem;
  color: var(--text-secondary);
}

.pricing-features {
  list-style: none;
  max-width: 520px;
  margin: 0 auto 36px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-features li {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pricing-note {
  display: block;
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.step-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  padding: 36px 28px;
  border-radius: var(--radius-md);
  position: relative;
}

.step-number {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 14px;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

details[open] .faq-question::after {
  content: "−";
}

.faq-answer {
  padding: 0 24px 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* CTA Strip */
.cta-strip {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 72px 0;
}

.cta-strip-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.cta-strip-text {
  font-size: 1.1rem;
  color: #c7d2e0;
  margin-bottom: 32px;
}

.cta-strip-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.cta-strip .btn-outline {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}

.cta-strip .btn-outline:hover {
  background-color: #ffffff;
  color: var(--color-primary);
}

/* Page Header */
.page-header {
  padding: 64px 0 48px;
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: clamp(2rem, 3.8vw, 2.8rem);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Data Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.data-table th, .data-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-subtle);
  font-size: 0.95rem;
}

.data-table th {
  width: 30%;
  background-color: var(--bg-subtle);
  font-weight: 700;
  color: var(--color-primary);
}

/* Editorial Block & Legal */
.editorial-block h2, .legal-body h2 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 36px 0 16px;
}

.editorial-block p, .legal-body p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 16px;
}

.editorial-block ul, .legal-body ul, .legal-body ol {
  margin: 16px 0 24px 24px;
  color: var(--text-secondary);
}

.editorial-block li, .legal-body li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.legal-address {
  font-style: normal;
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 24px;
  border-radius: var(--radius-md);
  margin: 20px 0;
  line-height: 1.8;
}

/* Contact Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}

.contact-detail-card {
  display: flex;
  gap: 16px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 20px;
  border-radius: var(--radius-md);
}

.contact-detail-icon {
  font-size: 1.8rem;
  color: var(--color-accent);
}

.contact-detail-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 4px 0;
}

.contact-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.action-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.action-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.template-preview {
  background: var(--bg-subtle);
  border: 1px dashed var(--color-border);
  padding: 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.8;
  margin: 20px 0;
}

.action-note {
  margin-top: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  color: #adb5bd;
  margin-top: auto;
  padding: 64px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-logo {
  color: #ffffff;
  margin-bottom: 16px;
}

.footer-logo .logo-text span {
  color: #94a3b8;
}

.footer-summary {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #94a3b8;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

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

.footer-links a {
  color: #94a3b8;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-address {
  font-style: normal;
  font-size: 0.88rem;
  line-height: 1.8;
  color: #94a3b8;
}

.footer-address strong {
  color: #ffffff;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 580px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 20px 24px;
  z-index: 999;
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

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

/* Responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
  .nav-menu.is-active {
    display: flex;
  }
  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 16px;
  }
  .nav-action {
    width: 100%;
    margin-top: 12px;
  }
  .nav-action .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .pricing-banner {
    padding: 36px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}