:root {
  --bg: oklch(99% 0.002 240);
  --surface: oklch(100% 0 0);
  --fg: oklch(18% 0.012 250);
  --muted: oklch(54% 0.012 250);
  --border: oklch(92% 0.005 250);
  --accent: oklch(58% 0.18 255);
  --accent-dark: oklch(48% 0.18 255);
  --font-display:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", system-ui, sans-serif;
  --font-body:
    -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
  font-size: 18px;
}
img {
  max-width: 100%;
  display: block;
}

.nav {
  position: sticky;
  top: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 20px 0;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  text-decoration: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 32px;
  font-size: 15px;
}
.nav-links a:hover {
  color: var(--fg);
}
.nav-links a.active {
  color: var(--fg);
  font-weight: 600;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 18px 42px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  margin-left: 16px;
}
.btn-secondary:hover {
  background: var(--surface);
  border-color: var(--fg);
  transform: none;
}

.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 40px 120px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-content h1 {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}
.hero-content .tagline {
  font-size: 24px;
  color: var(--muted);
  margin-bottom: 40px;
}
.hero-image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 40px;
}
.section-surface {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-header p {
  font-size: 20px;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
}

.page-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 40px 40px;
}
.page-header h1 {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.page-header p {
  font-size: 20px;
  color: var(--muted);
  max-width: 640px;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}
.grid-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px 80px;
}
.course-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}
.course-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
}
.course-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.course-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.course-card h3 {
  font-size: 23px;
  font-weight: 600;
  margin-bottom: 10px;
}
.course-card .price {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  margin: 14px 0 6px;
}
.course-card .meta {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 18px;
}
.course-card p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg);
  flex: 1;
  margin-bottom: 24px;
}
.course-card .btn {
  padding: 14px 28px;
  font-size: 17px;
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 48px;
}
.step {
  text-align: center;
}
.step-number {
  width: 64px;
  height: 64px;
  background: var(--accent);
  color: white;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  margin: 0 auto 24px;
}
.step h4 {
  font-size: 22px;
  margin-bottom: 12px;
}
.step p {
  font-size: 16px;
  color: var(--muted);
}

.reviews {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 32px;
  margin-top: 48px;
}
.review {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}
.review-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.review-avatar {
  width: 56px;
  height: 56px;
  border-radius: 999px;
  object-fit: cover;
  flex-shrink: 0;
}
.review-name {
  font-weight: 600;
  font-size: 18px;
}
.review-age {
  color: var(--muted);
  font-size: 15px;
}
.review-text {
  font-size: 17px;
  line-height: 1.7;
}

.banner-image {
  max-width: 1200px;
  margin: 0 auto 40px;
  padding: 0 40px;
}
.banner-image img {
  width: 100%;
  border-radius: 16px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  max-height: 420px;
}

.mission {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.mission-text p {
  font-size: 19px;
  line-height: 1.8;
  margin-bottom: 20px;
}
.mission-image img {
  width: 100%;
  border-radius: 16px;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.team-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 40px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
}
.team-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
}
.team-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 4px;
}
.team-card .role {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}
.team-card p {
  font-size: 16px;
  line-height: 1.65;
}

.values {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 40px;
}
.values-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.values h2 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
  text-align: center;
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.value {
  text-align: center;
}
.value h4 {
  font-size: 20px;
  margin-bottom: 12px;
}
.value p {
  font-size: 16px;
  color: var(--muted);
}

.contact-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-info h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 24px;
}
.contact-item {
  margin-bottom: 24px;
}
.contact-item .label {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 4px;
}
.contact-item .value {
  font-size: 20px;
  font-weight: 600;
}
.contact-item a {
  color: var(--fg);
  text-decoration: none;
}
.contact-item a:hover {
  color: var(--accent);
}

.form-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}
.form-container h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 24px;
}
.form-group label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  font-size: 17px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--fg);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea {
  min-height: 140px;
  resize: vertical;
}
.form-note {
  font-size: 14px;
  color: var(--muted);
  margin-top: 16px;
}
.form-success {
  margin-bottom: 24px;
  padding: 18px 22px;
  background: oklch(95% 0.05 150);
  border: 1px solid oklch(75% 0.12 150);
  border-radius: 8px;
  font-size: 17px;
  color: oklch(40% 0.12 150);
}

.faq-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px 80px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  padding: 24px 32px;
  background: none;
  border: none;
  text-align: left;
  font-size: 20px;
  font-weight: 600;
  color: var(--fg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-family: var(--font-body);
}
.faq-question:hover {
  background: var(--bg);
}
.faq-question::after {
  content: "+";
  font-size: 28px;
  color: var(--accent);
  flex-shrink: 0;
}
.faq-item.open .faq-question::after {
  content: "\2212";
}
.faq-answer {
  padding: 0 32px 24px;
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
  display: none;
}
.faq-item.open .faq-answer {
  display: block;
}

.legal-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px 80px;
}
.legal-section {
  margin-bottom: 60px;
}
.legal-section h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.legal-section h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 28px 0 12px;
}
.legal-section p {
  margin-bottom: 16px;
  color: var(--fg);
}
.legal-section ul {
  margin: 16px 0;
  padding-left: 24px;
}
.legal-section li {
  margin-bottom: 8px;
}
.legal-section .last-updated {
  font-size: 14px;
  color: var(--muted);
  margin-top: 24px;
}

.footer {
  background: var(--fg);
  color: white;
  padding: 48px 40px;
  margin-top: 80px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}
.footer-brand {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-tag {
  opacity: 0.7;
  font-size: 15px;
}
.footer h4 {
  font-size: 16px;
  margin-bottom: 16px;
  opacity: 0.6;
}
.footer a {
  color: white;
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
}
.footer a:hover {
  text-decoration: underline;
}
.footer-addr {
  margin-top: 16px;
  font-size: 14px;
  opacity: 0.5;
}
.footer-legal {
  max-width: 1200px;
  margin: 40px auto 0;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-legal h4 {
  font-size: 16px;
  margin-bottom: 16px;
  opacity: 0.6;
}
.footer-legal a {
  color: white;
  text-decoration: none;
  display: inline-block;
  margin-right: 24px;
  margin-bottom: 8px;
  font-size: 15px;
}
.footer-legal a:hover {
  text-decoration: underline;
}
.footer-bottom {
  max-width: 1200px;
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
  opacity: 0.55;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
  z-index: 200;
  padding: 20px 0;
}
.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  gap: 32px;
  justify-content: space-between;
}
.cookie-text {
  font-size: 15px;
  color: var(--fg);
}
.cookie-text a {
  color: var(--accent);
}
.cookie-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  flex-shrink: 0;
  font-family: var(--font-body);
}
.cookie-btn:hover {
  background: var(--accent-dark);
}

.faq-group {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.faq-group:first-child {
  margin-top: 0;
}

.course-includes {
  margin: 0 0 20px;
}
.course-includes h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 10px;
}
.course-includes ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.course-includes li {
  position: relative;
  padding-left: 26px;
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--fg);
}
.course-includes li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}
.course-terms {
  font-size: 15px;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 20px;
}

.info-band {
  max-width: 1200px;
  margin: 0 auto 48px;
  padding: 0 40px;
}
.info-band-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.info-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 32px;
}
.info-block h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
.info-block p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg);
}

.contact-faq {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.contact-faq h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
}
.contact-faq dt {
  font-weight: 600;
  font-size: 17px;
  margin-bottom: 4px;
}
.contact-faq dd {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
}
.contact-faq-more {
  font-size: 16px;
}
.contact-faq-more a {
  color: var(--accent);
  font-weight: 600;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 48px 24px 64px;
  }
  .hero-content h1 {
    font-size: 40px;
  }
  .section {
    padding: 56px 24px;
  }
  .page-header {
    padding: 48px 24px 32px;
  }
  .page-header h1 {
    font-size: 36px;
  }
  .grid-wrap,
  .banner-image,
  .contact-grid,
  .faq-container,
  .legal-container,
  .team-grid,
  .mission {
    padding-left: 24px;
    padding-right: 24px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .values-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .mission {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .nav-inner {
    padding: 0 24px;
  }
  .nav-links a {
    margin-left: 18px;
    font-size: 14px;
  }
  .cookie-inner {
    flex-direction: column;
    gap: 16px;
    padding: 0 24px;
    align-items: flex-start;
  }
  .btn-secondary {
    margin-left: 0;
    margin-top: 12px;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 17px;
  }
  .nav {
    padding: 14px 0;
  }
  .nav-inner {
    flex-wrap: wrap;
    gap: 8px 0;
  }
  .nav-links {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 0;
  }
  .nav-links a {
    margin-left: 0;
    margin-right: 20px;
    padding: 8px 0;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: 15px;
  }
  .page-header h1 {
    font-size: 32px;
  }
  .page-header p,
  .section-header p {
    font-size: 18px;
  }
  .course-grid {
    grid-template-columns: 1fr;
  }
  .info-band {
    padding-left: 24px;
    padding-right: 24px;
  }
  .info-band-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .team-grid,
  .reviews {
    grid-template-columns: 1fr;
  }
  .values-grid {
    grid-template-columns: 1fr;
  }
  .btn,
  .cookie-btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .course-card .btn {
    width: 100%;
  }
  .faq-question {
    padding: 20px 22px;
    font-size: 18px;
    min-height: 44px;
  }
  .faq-answer {
    padding: 0 22px 22px;
  }
  .faq-group {
    font-size: 21px;
  }
  .form-group input,
  .form-group textarea,
  .form-group select {
    min-height: 44px;
    font-size: 16px;
  }
  .contact-item .value {
    font-size: 18px;
  }
  .contact-item a {
    display: inline-block;
    min-height: 44px;
    line-height: 44px;
  }
}

@media (max-width: 480px) {
  .page-header {
    padding: 36px 20px 24px;
  }
  .page-header h1 {
    font-size: 28px;
  }
  .grid-wrap,
  .banner-image,
  .contact-grid,
  .faq-container,
  .legal-container,
  .team-grid,
  .mission,
  .info-band {
    padding-left: 20px;
    padding-right: 20px;
  }
  .course-body,
  .form-container,
  .team-card,
  .info-block {
    padding: 24px 20px;
  }
  .course-card h3 {
    font-size: 21px;
  }
  .course-card .price {
    font-size: 28px;
  }
  .hero-content h1 {
    font-size: 32px;
  }
  .hero-content .tagline {
    font-size: 20px;
  }
  .footer {
    padding: 40px 20px;
  }
  .nav-links a {
    margin-right: 16px;
    font-size: 14px;
  }
}