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

:root {
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --accent: #ec4899;
  --accent-light: #f472b6;
  --bg-main: #ffffff;
  --bg-soft: #f8f9fb;
  --bg-muted: #f1f3f9;
  --text-dark: #1e293b;
  --text-medium: #475569;
  --text-light: #64748b;
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Roboto", sans-serif;
  background: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav a {
  color: var(--text-medium);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: var(--transition);
}

.nav a:hover {
  color: var(--primary);
}

.nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav a:hover::after {
  width: 100%;
}

.cta-btn {
  padding: 0.75rem 1.75rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
}

.cta-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.hero {
  padding: 10rem 0 6rem;
  background: linear-gradient(135deg, var(--bg-soft) 0%, var(--bg-muted) 100%);
  position: relative;
  overflow: hidden;
  background-image: url(../images/bg.png);
  background-position: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.08) 0%,
    transparent 70%
  );
  border-radius: 50%;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
}

.hero-content {
  max-width: 700px;
}

.hero-label {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: white;
  border: 1px solid var(--border-light);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.hero h1 {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
  letter-spacing: -2px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-medium);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 1rem 2.5rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  padding: 1rem 2.5rem;
  background: white;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-lg);
}

.section {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-label {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: var(--bg-soft);
  border: 1px solid var(--border-light);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 3rem;
  font-weight: 900;
  color: var(--text-dark);
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-medium);
  line-height: 1.8;
}

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

.feature-card {
  background: white;
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.feature-card p {
  color: var(--text-medium);
  line-height: 1.7;
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.split-section.reverse {
  direction: rtl;
}

.split-section.reverse > * {
  direction: ltr;
}

.split-content h2 {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
  letter-spacing: -1px;
}

.split-content p {
  font-size: 1.0625rem;
  color: var(--text-medium);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}

.split-visual {
  position: relative;
}

.image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--bg-soft), var(--bg-muted));
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.image-placeholder::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: var(--primary);
  opacity: 0.1;
  border-radius: 50%;
}

.image-placeholder span {
  font-size: 3rem;
  opacity: 0.3;
}

.stats-section {
  background: var(--bg-soft);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  text-align: center;
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 0.5rem;
  display: block;
}

.stat-label {
  font-size: 1rem;
  color: var(--text-medium);
  font-weight: 500;
}

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

.process-card {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.process-number {
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  margin: 0 auto 1.5rem;
}

.process-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.process-card p {
  color: var(--text-medium);
  line-height: 1.7;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: white;
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.testimonial-text {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-medium);
  margin-bottom: 1.5rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(
    135deg,
    var(--primary-light),
    var(--accent-light)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
}

.author-info h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.author-info p {
  font-size: 0.875rem;
  color: var(--text-light);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.5rem;
  text-align: left;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--primary);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-content {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-medium);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.contact-section {
  background: var(--bg-soft);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

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

.form-group {
  margin-bottom: 1.5rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.9375rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: white;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-dark);
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-error {
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: none;
}

.form-group.error .form-error {
  display: block;
}

.form-group.error .form-input,
.form-group.error .form-textarea {
  border-color: #ef4444;
}

.form-submit {
  width: 100%;
  padding: 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.form-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.footer {
  background: var(--text-dark);
  color: white;
  padding: 4rem 0 2rem;
}

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

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.footer-section h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  gap: 2rem;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.875rem;
}

.footer-legal a:hover {
  color: white;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  border-top: 1px solid var(--border-light);
  padding: 2rem;
  transform: translateY(100%);
  transition: transform 0.4s ease;
  z-index: 10000;
  box-shadow: var(--shadow-xl);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner.hide {
  transform: translateY(100%);
}

.cookie-content {
  max-width: 1280px;
  margin: 0 auto;
}

.cookie-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.cookie-text {
  color: var(--text-medium);
  margin-bottom: 1.5rem;
}

.cookie-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.cookie-category {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cookie-category input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.cookie-category label {
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 500;
}

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

.cookie-btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9375rem;
}

.cookie-btn-accept {
  background: var(--primary);
  border: none;
  color: white;
}

.cookie-btn-accept:hover {
  background: var(--primary-dark);
}

.cookie-btn-reject {
  background: var(--bg-soft);
  border: 1px solid var(--border-medium);
  color: var(--text-dark);
}

.cookie-btn-reject:hover {
  background: var(--bg-muted);
}

.cookie-btn-settings {
  background: white;
  border: 2px solid var(--primary);
  color: var(--primary);
}

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

.page-header {
  padding: 10rem 0 4rem;
  background: var(--bg-soft);
  text-align: center;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.page-header p {
  font-size: 1.25rem;
  color: var(--text-medium);
}

.content-section {
  padding: 4rem 0;
}

.content {
  max-width: 800px;
  margin: 0 auto;
}

.content h2 {
  font-size: 2rem;
  font-weight: 800;
  margin: 2.5rem 0 1rem;
  color: var(--text-dark);
}

.content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2rem 0 1rem;
}

.content p {
  color: var(--text-medium);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}

.content ul,
.content ol {
  margin: 1.25rem 0 1.25rem 2rem;
  color: var(--text-medium);
}

.content li {
  margin-bottom: 0.75rem;
  line-height: 1.8;
}

.content-image {
  width: 100%;
  border-radius: var(--radius-lg);
  margin: 2.5rem 0;
}

.thanks-section {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.thanks-content {
  max-width: 600px;
}

.thanks-icon {
  width: 80px;
  height: 80px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 2rem;
  color: white;
}

.thanks-content h1 {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.thanks-content p {
  color: var(--text-medium);
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

@media (max-width: 1024px) {
  .split-section {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: white;
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transition: left 0.4s ease;
    border-top: 1px solid var(--border-light);
  }

  .nav.active {
    left: 0;
  }

  .mobile-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .features-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

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

  .cookie-btn {
    width: 100%;
  }

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