:root {
  --bg-primary: #FAF9F6;
  --bg-surface: #FFFFFF;
  --bg-card: #F4F3EE;
  --bg-dark: #141618;
  --text-main: #1D1F22;
  --text-muted: #5C626A;
  --text-inverse: #F5F5F2;
  --accent: #D45B3E;
  --accent-hover: #B84A2E;
  --border: #E5E2DA;
  --border-dark: #2B2E33;
  --focus-ring: #D45B3E;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", Meiryo, sans-serif;
  --container-width: 1160px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.22s ease-in-out;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  background: var(--accent);
  color: #FFF;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 16px;
  outline: 3px solid #000;
}

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

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

/* Site Header */
.site-header {
  background-color: rgba(250, 249, 246, 0.94);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 200;
  border-bottom: 1px solid var(--border);
}
.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand-logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: rgba(212, 91, 62, 0.1);
  padding: 3px 8px;
  border-radius: 99px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}
.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);
  font-weight: 600;
}
.nav-cta {
  background: var(--text-main);
  color: var(--text-inverse);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
}
.nav-cta:hover {
  background: var(--accent);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-size: 0.96rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #FFF;
}
.btn-primary:hover {
  background: var(--accent-hover);
}
.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border-color: var(--text-main);
}
.btn-secondary:hover {
  background: var(--text-main);
  color: var(--text-inverse);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* Section styling */
.section {
  padding: 88px 0;
}
.section-alt {
  background-color: var(--bg-surface);
}
.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
}
.section-dark .text-muted {
  color: #9AA0A6;
}
.section-header {
  margin-bottom: 54px;
}
.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 12px;
}
.section-title {
  font-size: 2.1rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
}

/* Hero Section */
.hero {
  padding: 80px 0 90px;
  border-bottom: 1px solid var(--border);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 22px;
}
.hero-lead {
  font-size: 1.12rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 36px;
}
.badge-price {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}
.badge-location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* Feature & Service Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 28px;
}
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.05);
  border-color: #D3CEBF;
}
.card-num {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 18px;
}
.card-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.card-body {
  color: var(--text-muted);
  font-size: 0.95rem;
  flex-grow: 1;
  margin-bottom: 22px;
}
.card-price-tag {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

/* Workflow Steps */
.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-card {
  background: #1C1E22;
  border: 1px solid var(--border-dark);
  padding: 30px 24px;
  border-radius: var(--radius-md);
}
.step-index {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}
.step-title {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: #FFF;
}
.step-text {
  font-size: 0.88rem;
  color: #9BA1A6;
  line-height: 1.6;
}

/* Pricing Highlight Section */
.price-showcase {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
}
.price-value {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
  margin-bottom: 12px;
}
.price-unit {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}
.price-list {
  list-style: none;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.price-list li {
  font-size: 0.92rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.price-list li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
}

/* FAQ Details */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 820px;
}
.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item summary {
  padding: 22px 26px;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--accent);
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after {
  content: "−";
}
.faq-answer {
  padding: 0 26px 22px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Forms & Direct Mail */
.contact-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 40px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-input, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--bg-primary);
  color: var(--text-main);
}
.form-input:focus, .form-textarea:focus {
  outline: 2px solid var(--accent);
  background: #FFF;
}
.direct-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.email-display {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  word-break: break-all;
}

/* Footer */
.site-footer {
  background: var(--bg-dark);
  color: var(--text-inverse);
  padding: 68px 0 32px;
  margin-top: auto;
  border-top: 1px solid var(--border-dark);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand h2 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.footer-brand p {
  color: #9BA1A6;
  font-size: 0.9rem;
  max-width: 360px;
  line-height: 1.6;
}
.footer-heading {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #E5E5E0;
  margin-bottom: 18px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 0.9rem;
  color: #9BA1A6;
}
.footer-links a:hover {
  color: #FFF;
}
.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
  color: #7A8086;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  right: 24px;
  max-width: 420px;
  background: #18191B;
  color: #FFF;
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  border: 1px solid #33363B;
  z-index: 999;
  display: none;
}
.cookie-banner.show {
  display: block;
}
.cookie-banner p {
  font-size: 0.85rem;
  color: #C1C5C9;
  line-height: 1.55;
  margin-bottom: 16px;
}
.cookie-actions {
  display: flex;
  gap: 10px;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .step-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .price-showcase {
    grid-template-columns: 1fr;
    padding: 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 720px) {
  .menu-toggle {
    display: block;
  }
  .site-nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  }
  .site-nav.open {
    display: flex;
  }
  .nav-links {
    flex-direction: column;
    gap: 16px;
    width: 100%;
  }
  .nav-cta {
    width: 100%;
    text-align: center;
  }
  .step-grid {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 60px 0;
  }
  .cookie-banner {
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: none;
  }
}

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