:root {
  --bg-main: #FBFBFA;
  --bg-card: #FFFFFF;
  --bg-subtle: #F3F1ED;
  --text-main: #181716;
  --text-muted: #696763;
  --text-light: #9B9891;
  --accent: #B86737;
  --accent-hover: #9B5328;
  --border: #E8E5DF;
  --border-subtle: #F0EDE6;
  --container-width: 1160px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --transition: all 0.25s ease-in-out;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.75;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

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

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

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  background: var(--text-main);
  color: #FFF;
  padding: 12px 20px;
  z-index: 9999;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(251, 251, 250, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 78px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.brand-logo svg {
  width: 34px;
  height: 34px;
}

.brand-badge {
  font-size: 0.75rem;
  text-transform: uppercase;
  background: var(--bg-subtle);
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
  margin-left: 6px;
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text-main);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
}

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

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

.btn-secondary {
  background-color: transparent;
  color: var(--text-main);
  border-color: var(--border);
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

/* Hero Section */
.hero {
  padding: 80px 0 64px;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.meta-item strong {
  display: block;
  font-size: 1.25rem;
  color: var(--text-main);
}

.meta-item span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.04);
}

/* Sections */
.section {
  padding: 96px 0;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--accent);
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Pricing Highlight */
.pricing-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 56px;
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}

.price-display {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 20px 0;
}

.price-amount {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent);
}

.price-period {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.included-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.included-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.included-list li svg {
  flex-shrink: 0;
  color: var(--accent);
}

/* Process Steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

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

.step-number {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

.process-step h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* FAQ Details */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

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

summary.faq-question {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

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

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

details[open] summary.faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Contact Specifics */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

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

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin: 32px 0;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-subtle);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.contact-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-light);
  letter-spacing: 0.05em;
  display: block;
}

.contact-value {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-main);
  word-break: break-all;
}

/* Footer */
.site-footer {
  background: #151413;
  color: #D8D6D0;
  padding: 72px 0 32px;
  border-top: 1px solid #282624;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand h3 {
  color: #FFF;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #9E9A92;
  max-width: 320px;
}

.footer-col h4 {
  color: #FFF;
  font-size: 0.95rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: #9E9A92;
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid #282624;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #7A766E;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  right: 24px;
  max-width: 440px;
  background: #181716;
  color: #FAF8F5;
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.25);
  border: 1px solid #2C2A28;
  z-index: 99999;
  display: none;
}

.cookie-banner p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: #C2BFB8;
  margin-bottom: 16px;
}

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

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

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

/* Responsive */
@media (max-width: 992px) {
  .hero-grid, .pricing-block, .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 78px;
    left: 0;
    width: 100%;
    background: var(--bg-main);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 20px;
  }
  .nav-links.is-open {
    display: flex;
  }
  .hero-meta {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .cookie-banner {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }
}

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