:root {
  --primary: #1e3a8a;
  --primary-hover: #1d4ed8;
  --accent: #0284c7;
  --accent-light: #e0f2fe;
  --dark: #0f172a;
  --slate-800: #1e293b;
  --slate-600: #475569;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --light-bg: #f8fafc;
  --white: #ffffff;
  --error: #dc2626;
  --success: #16a34a;
  --font-main: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(15,23,42,0.08);
  --shadow-lg: 0 10px 25px rgba(15,23,42,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.25s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--light-bg);
  color: var(--dark);
  font-family: var(--font-main);
  line-height: 1.7;
}

body {
  overflow-x: hidden;
}

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

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--dark);
  text-align: center;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--slate-600);
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3.5rem auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
}

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

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

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--slate-800);
}

.nav-link:hover {
  color: var(--primary);
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none !important;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white) !important;
  box-shadow: 0 4px 14px rgba(30, 58, 138, 0.3);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 58, 138, 0.4);
}

.btn-secondary {
  background-color: var(--slate-100);
  color: var(--dark);
  border: 1px solid var(--slate-200);
}

.btn-secondary:hover {
  background-color: var(--slate-200);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--slate-200);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

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

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero {
  padding: 4rem 0 5rem 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
  border-bottom: 1px solid var(--slate-200);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background-color: rgba(30, 58, 138, 0.1);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 50px;
  margin-bottom: 1.2rem;
  border: 1px solid rgba(30, 58, 138, 0.2);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.25;
  color: var(--dark);
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

.hero-subheadline {
  font-size: 1.125rem;
  color: var(--slate-600);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-cta-box {
  margin-bottom: 2rem;
}

.hero-trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0,0,0,0.08);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-800);
}

.trust-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

.hero-media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-200);
  object-fit: cover;
  width: 100%;
  max-height: 480px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.benefit-card {
  background: var(--white);
  padding: 2.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.benefit-icon {
  width: 52px;
  height: 52px;
  background-color: var(--accent-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}

.benefit-icon svg {
  width: 28px;
  height: 28px;
}

.benefit-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 0.8rem;
}

.benefit-desc {
  font-size: 0.95rem;
  color: var(--slate-600);
  line-height: 1.65;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.step-card {
  position: relative;
  background: var(--light-bg);
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
}

.step-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.8rem;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
  color: var(--dark);
}

.step-desc {
  font-size: 0.9rem;
  color: var(--slate-600);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.pillar-card {
  background: var(--white);
  border-left: 5px solid var(--primary);
  padding: 2rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-sm);
  border-top: 1px solid var(--slate-200);
  border-right: 1px solid var(--slate-200);
  border-bottom: 1px solid var(--slate-200);
}

.pillar-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.agenda-box {
  background: var(--slate-100);
  padding: 2rem;
  border-radius: var(--radius-md);
  margin-top: 2.5rem;
  border: 1px solid var(--slate-200);
}

.agenda-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  color: var(--dark);
}

.agenda-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.agenda-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  padding-bottom: 0.8rem;
  border-bottom: 1px dashed var(--slate-200);
}

.agenda-time {
  font-weight: 800;
  color: var(--primary);
  min-width: 90px;
  font-size: 0.9rem;
}

.agenda-text {
  font-size: 0.95rem;
  color: var(--slate-800);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.audience-card {
  background: var(--white);
  padding: 1.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
}

.audience-badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.8rem;
}

.audience-card h4 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
}

.table-wrapper {
  overflow-x: auto;
  margin-top: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  text-align: left;
  font-size: 0.95rem;
}

.custom-table th {
  background: var(--slate-800);
  color: var(--white);
  padding: 1rem 1.2rem;
  font-weight: 700;
}

.custom-table td {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--slate-200);
  color: var(--slate-800);
}

.custom-table tr:nth-child(even) {
  background: var(--light-bg);
}

.scope-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.scope-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
}

.scope-card.included {
  border-top: 4px solid var(--success);
}

.scope-card.excluded {
  border-top: 4px solid var(--slate-600);
}

.scope-card h4 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.scope-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.scope-list li {
  font-size: 0.95rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  color: var(--slate-800);
}

.scope-list li svg {
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.2rem 1.5rem;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-main);
}

.faq-question:hover {
  background: var(--light-bg);
}

.faq-icon {
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  background: var(--white);
  padding: 0 1.5rem;
  color: var(--slate-600);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 1.5rem 1.5rem 1.5rem;
  border-top: 1px solid var(--slate-100);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-text p {
  margin-bottom: 1.2rem;
  color: var(--slate-600);
  font-size: 1rem;
  line-height: 1.75;
}

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

.form-section {
  background: linear-gradient(180deg, var(--white) 0%, #e0f2fe 100%);
  border-top: 1px solid var(--slate-200);
}

.form-wrapper {
  max-width: 680px;
  margin: 0 auto;
  background: var(--white);
  padding: 3rem 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-200);
}

.form-group {
  margin-bottom: 1.4rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--dark);
  margin-bottom: 0.4rem;
}

.form-label .required {
  color: var(--error);
  margin-left: 0.2rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  font-family: var(--font-main);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  background: var(--light-bg);
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.15);
}

.form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.form-checkbox-group input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-checkbox-label {
  font-size: 0.875rem;
  color: var(--slate-600);
  line-height: 1.5;
}

.error-msg {
  color: var(--error);
  font-size: 0.8rem;
  margin-top: 0.3rem;
  display: none;
}

.form-input.invalid {
  border-color: var(--error);
}

.form-input.invalid + .error-msg {
  display: block;
}

.microcopy {
  font-size: 0.8rem;
  color: var(--slate-600);
  text-align: center;
  margin-top: 1rem;
  line-height: 1.5;
}

.status-panel {
  display: none;
  text-align: center;
  padding: 2rem 1rem;
}

.status-panel:focus {
  outline: none;
}

.success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem auto;
  color: var(--success);
}

.checkmark-circle {
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  stroke-width: 2;
  stroke-miterlimit: 10;
  stroke: var(--success);
  fill: none;
  animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check {
  transform-origin: 50% 50%;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
  100% { stroke-dashoffset: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .checkmark-circle, .checkmark-check {
    animation: none;
    stroke-dashoffset: 0;
  }
}

.panel-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 0.8rem;
}

.panel-desc {
  font-size: 1rem;
  color: var(--slate-600);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.footer {
  background-color: var(--dark);
  color: #94a3b8;
  padding: 4rem 0 2rem 0;
  font-size: 0.9rem;
  border-top: 1px solid var(--slate-800);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  color: var(--white);
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: #94a3b8;
}

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

.footer-transparency {
  background: var(--slate-800);
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.6;
}

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

.footer-bottom {
  border-top: 1px solid var(--slate-800);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--dark);
  color: var(--white);
  padding: 1.5rem;
  z-index: 10000;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
  display: none;
}

.cookie-banner.show {
  display: block;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-text {
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 800px;
}

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

.cookie-actions {
  display: flex;
  gap: 1rem;
}

.back-to-top {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.85rem;
}

.back-to-top:hover {
  color: var(--white);
}

.legal-content {
  background: var(--white);
  padding: 3rem 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--slate-200);
  margin-top: 2rem;
  margin-bottom: 4rem;
}

.legal-content h1 {
  font-size: 2rem;
  color: var(--dark);
  margin-bottom: 1.5rem;
}

.legal-content h2 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-top: 2rem;
  margin-bottom: 0.8rem;
  border-bottom: 2px solid var(--slate-100);
  padding-bottom: 0.4rem;
}

.legal-content p, .legal-content li {
  font-size: 0.95rem;
  color: var(--slate-600);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.legal-content ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.legal-table th, .legal-table td {
  border: 1px solid var(--slate-200);
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
}

.legal-table th {
  background: var(--slate-100);
  color: var(--dark);
  text-align: left;
  width: 30%;
}

@media (max-width: 992px) {
  .hero-grid, .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .scope-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
  .section-title {
    font-size: 1.75rem;
  }
  .hero-title {
    font-size: 1.85rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .form-wrapper, .legal-content {
    padding: 2rem 1.5rem;
  }
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }
}