:root {
  --bg-dark: #0B0E14;
  --bg-card: #151A22;
  --bg-card-hover: #1A212B;
  --bg-elevated: #202733;
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --accent: #F59E0B;
  --accent-light: #FBBF24;
  --accent-glow: rgba(245, 158, 11, 0.18);
  --border-color: #2D3748;
  --border-active: #F59E0B;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-base);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.68;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 14, 20, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  height: 44px;
  width: auto;
}

.main-nav .nav-list {
  display: flex;
  list-style: none;
  gap: 26px;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 48px;
  min-width: 48px;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: #0B0E14;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.hero-section {
  padding: 60px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-lead {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-muted);
  margin-bottom: 30px;
}

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

.hero-features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.feature-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.feature-pill svg {
  color: var(--accent);
  flex-shrink: 0;
}

.hero-media {
  position: relative;
}

.image-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.image-frame img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.sec-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px;
}

.sub-title {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.sec-title {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
}

.sec-desc {
  color: var(--text-muted);
  font-size: 1rem;
}

.services-section, .estimator-section, .specs-section, .pricing-section, .faq-section, .contact-section {
  padding: 80px 0;
  border-top: 1px solid var(--border-color);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.tag-list li {
  font-size: 0.78rem;
  background: var(--bg-dark);
  padding: 4px 10px;
  border-radius: 4px;
  color: var(--text-dim);
  border: 1px solid var(--border-color);
}

.estimator-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}

.calc-group {
  margin-bottom: 28px;
}

.calc-label {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.calc-label span {
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 2px 8px;
  border-radius: 4px;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.calc-chip {
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 48px;
  transition: var(--transition);
}

.calc-chip.active {
  background: var(--accent);
  color: #0B0E14;
  border-color: var(--accent);
}

.calc-result-panel {
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.result-header h4 {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.result-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 12px 0 20px;
}

.price-main {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent);
}

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

.result-specs {
  list-style: none;
  margin-bottom: 26px;
  padding: 16px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.result-specs li {
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.result-specs li:last-child {
  margin-bottom: 0;
}

.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.specs-image img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  aspect-ratio: 4/3;
  object-fit: cover;
}

.specs-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.spec-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 22px;
  border-radius: var(--radius-md);
}

.spec-val {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}

.spec-name {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.spec-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 26px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 10px 30px var(--accent-glow);
}

.featured-tag {
  position: absolute;
  top: -12px;
  left: 30px;
  background: var(--accent);
  color: #0B0E14;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.05em;
}

.plan-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  min-height: 42px;
  margin-bottom: 18px;
}

.plan-price {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.plan-price .amount {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-main);
}

.plan-price .currency {
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 700;
  margin-right: 4px;
}

.plan-price .period {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.plan-features li {
  font-size: 0.92rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
}

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

.faq-list {
  display: grid;
  gap: 18px;
  max-width: 860px;
  margin: 0 auto;
}

.faq-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 26px;
}

.faq-q {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.faq-q .badge-q {
  color: var(--accent);
  font-weight: 800;
  font-size: 1.2rem;
}

.faq-a {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  padding-left: 28px;
}

.contact-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.contact-box h3 {
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  font-weight: 800;
  margin-bottom: 14px;
}

.contact-box p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 30px;
}

.contact-direct {
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: inline-block;
  margin-bottom: 28px;
}

.email-address {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  word-break: break-all;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
  text-align: left;
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
}

.wf-step {
  padding: 10px;
}

.wf-num {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 8px;
}

.wf-step h5 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.wf-step p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 0;
}

.legal-content-wrap {
  padding: 60px 0 100px;
  max-width: 860px;
  margin: 0 auto;
}

.legal-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.legal-updated {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.legal-block {
  margin-bottom: 36px;
}

.legal-block h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 14px;
}

.legal-block p {
  color: var(--text-muted);
  font-size: 0.96rem;
  margin-bottom: 12px;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.legal-table th, .legal-table td {
  border: 1px solid var(--border-color);
  padding: 14px 18px;
  text-align: left;
  font-size: 0.95rem;
}

.legal-table th {
  background: var(--bg-card);
  color: var(--text-main);
  width: 30%;
}

.legal-table td {
  color: var(--text-muted);
}

.site-footer {
  background: #080A0E;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: 16px;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
}

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

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

.footer-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.contact-line {
  font-size: 0.92rem;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.contact-line a {
  color: var(--accent);
  font-weight: 600;
}

.contact-sub {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 18px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 24px 0;
  background: #06070A;
}

.bottom-content {
  display: flex;
  align-items: center;
  justify-content: center;
}

.copyright {
  color: var(--text-dim);
  font-size: 0.85rem;
  text-align: center;
}

@media (max-width: 991px) {
  .hero-grid, .estimator-box, .specs-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .workflow-steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .main-nav {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .specs-cards {
    grid-template-columns: 1fr;
  }
}