:root {
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", Meiryo, sans-serif;
  --font-heading: "Helvetica Neue", Arial, "Hiragino Sans", sans-serif;
  --bg-page: #fbfbf9;
  --bg-surface: #ffffff;
  --bg-subtle: #f3f2ee;
  --bg-card: #ffffff;
  --text-primary: #171716;
  --text-secondary: #585753;
  --text-muted: #828078;
  --border-light: #e5e3dc;
  --border-strong: #cac7bc;
  --color-accent: #b45309;
  --color-accent-hover: #92400e;
  --color-accent-soft: #fef3c7;
  --container-max: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: 0.25s ease-in-out;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.07);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-page);
  color: var(--text-primary);
}

body {
  font-family: var(--font-base);
  line-height: 1.75;
  background-color: var(--bg-page);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

button, input, textarea {
  font: inherit;
  color: inherit;
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 16px;
  background: var(--text-primary);
  color: #ffffff;
  padding: 8px 16px;
  z-index: 9999;
  border-radius: var(--radius-sm);
  transition: top var(--transition);
}
.skip-link:focus {
  top: 16px;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

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

.section {
  padding: 96px 0;
}

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

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 700;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}

h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 12px;
}

p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

p:last-child {
  margin-bottom: 0;
}

.kicker {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.lead-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-primary);
  max-width: 720px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  line-height: 1.2;
  text-align: center;
}

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

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn-outline:hover {
  border-color: var(--text-primary);
  background-color: var(--bg-surface);
}

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

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

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(251, 251, 249, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-light);
  color: var(--color-accent);
  padding: 3px 7px;
  border-radius: var(--radius-sm);
}

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

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

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--text-primary);
}

/* Hero Section */
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
  margin-bottom: 28px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  padding-top: 20px;
}
.hero-meta strong {
  color: var(--text-primary);
}

.hero-visual {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

/* Grid & Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card-num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.card-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Studio Highlights */
.spec-list {
  list-style: none;
  margin-top: 24px;
}

.spec-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.95rem;
}

.spec-list li strong {
  min-width: 140px;
  color: var(--text-primary);
  font-weight: 600;
}

/* Pricing Section */
.pricing-wrapper {
  max-width: 860px;
  margin: 48px auto 0;
}

.pricing-box {
  background: var(--bg-surface);
  border: 2px solid var(--text-primary);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-md);
}

.pricing-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 28px;
  margin-bottom: 28px;
}

.price-tag {
  font-size: 2.8rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1;
}

.price-currency {
  font-size: 1.15rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-left: 6px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Process Section */
.step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.step-item {
  position: relative;
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.step-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

/* FAQ Details/Summary */
.faq-accordion {
  max-width: 820px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

details.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: border-color var(--transition);
}

details.faq-item[open] {
  border-color: var(--border-strong);
}

summary.faq-question {
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 32px;
  color: var(--text-primary);
}

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

summary.faq-question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-accent);
  transition: transform var(--transition);
}

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

.faq-answer {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Contact Info Box */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
}

.contact-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-item svg {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

/* Legal Pages */
.legal-content {
  max-width: 820px;
  margin: 0 auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.legal-content h2 {
  font-size: 1.4rem;
  margin-top: 36px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 8px;
}

.legal-content ul {
  padding-left: 24px;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.legal-content li {
  margin-bottom: 8px;
}

/* Footer */
.site-footer {
  background: var(--text-primary);
  color: #d1cfc7;
  padding: 64px 0 32px;
  border-top: 1px solid var(--border-strong);
}

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

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 14px;
}

.footer-desc {
  max-width: 380px;
  font-size: 0.9rem;
  color: #9e9c93;
}

.footer-links-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 16px;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: #b5b3aa;
}
.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: #8c8a82;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 580px;
  margin: 0 auto;
  background: var(--text-primary);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  z-index: 10000;
}

.cookie-banner-inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cookie-text {
  font-size: 0.88rem;
  line-height: 1.5;
  color: #d1cfc7;
  margin: 0;
}

.cookie-text a {
  color: #ffffff;
  text-decoration: underline;
}

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

/* Responsive */
@media (max-width: 992px) {
  .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) {
  .section {
    padding: 64px 0;
  }
  .nav-toggle {
    display: block;
  }
  .nav-menu {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
    flex-direction: column;
    padding: 24px;
    display: none;
    box-shadow: var(--shadow-md);
  }
  .nav-menu.nav-open {
    display: flex;
  }
  .nav-links {
    flex-direction: column;
    width: 100%;
    gap: 16px;
    text-align: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .legal-content {
    padding: 28px 20px;
  }
  .pricing-box {
    padding: 28px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}