*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: #e7edf5;
  font-family: "Inter", "Noto Sans JP", -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: #3b7ae0; text-decoration: none; }
a:hover { color: #4f8ef7; }
img { display: block; max-width: 100%; }
@keyframes marchFlow { to { stroke-dashoffset: 0; } }

.mono {
  font-family: ui-monospace, Menlo, Consolas, monospace;
}

/* Featured banner */
.featured-banner {
  background: #dc2626;
  color: #fff;
  text-align: center;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.6;
  border-radius: 8px;
  display: inline-block;
}
.featured-banner a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.featured-banner a:hover {
  color: #fff;
  opacity: 0.85;
}

/* Container */
.lp-container {
  max-width: 1180px;
  margin: 0 auto;
  background: #fff;
  box-shadow: 0 25px 50px -12px rgba(15,23,42,0.18);
  overflow: hidden;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 40px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e7eb;
}
.site-header .logo img { height: 32px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a {
  color: #374151;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: background 0.15s;
}
.site-nav a:hover { background: #f4f7fb; color: #374151; }
.site-nav .nav-cta {
  background: #4f8ef7;
  color: #fff;
  font-weight: 700;
  padding: 9px 18px;
  margin-left: 6px;
}
.site-nav .nav-cta:hover { background: #3b7ae0; color: #fff; }

/* Mobile nav toggle */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #374151; margin: 5px 0; transition: 0.3s; border-radius: 1px; }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Hero */
.hero {
  position: relative;
  background: #0f1729;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  padding: 76px 40px 84px;
  max-width: 640px;
}
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(79,142,247,0.14);
  border: 1px solid rgba(79,142,247,0.35);
  padding: 6px 14px;
  border-radius: 9999px;
  margin-bottom: 24px;
}
.hero-pill .dot {
  width: 8px; height: 8px;
  border-radius: 9999px;
  background: #4f8ef7;
}
.hero-pill span:last-child {
  font-size: 12px;
  font-weight: 600;
  color: #8fbaff;
  letter-spacing: 0.04em;
}
.hero h1 {
  font-size: 48px;
  line-height: 1.22;
  font-weight: 700;
  color: #f8fafc;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
}
.hero-lead {
  font-size: 16px;
  line-height: 1.9;
  color: #94a3b8;
  max-width: 500px;
  margin-bottom: 34px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #4f8ef7;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  padding: 14px 28px;
  border-radius: 8px;
  box-shadow: 0 10px 20px -6px rgba(79,142,247,0.6);
  transition: background 0.15s;
}
.btn-primary:hover { background: #3b7ae0; color: #fff; }
.btn-primary .arrow { font-size: 12px; }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  color: #e2e8f0;
  font-weight: 600;
  font-size: 14px;
  padding: 14px 24px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.18);
  transition: background 0.15s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.06); color: #e2e8f0; }

/* Capability strip */
.capability-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #e5e7eb;
  border-bottom: 1px solid #e5e7eb;
}
.capability-cell {
  background: #fff;
  padding: 20px 32px;
}
.capability-cell .label {
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 6px;
}
.capability-cell .value {
  font-size: 15px;
  font-weight: 700;
  color: #1f2937;
}

/* Section common */
.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: #4f8ef7;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.section-title {
  font-size: 28px;
  font-weight: 700;
  color: #1f2937;
}

/* Service */
.service-section {
  background: #f4f7fb;
  padding: 64px 40px;
}
.service-section .section-title { margin-bottom: 8px; }
.service-desc {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 32px;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 26px 24px;
}
.service-badge {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 18px;
}
.service-badge.blue { background: #eff5ff; color: #4f8ef7; }
.service-badge.purple { background: #f3ecff; color: #a855f7; }
.service-badge.dark { background: #eef1f6; color: #1f2937; }
.service-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 10px;
}
.service-card p {
  font-size: 13px;
  line-height: 1.8;
  color: #6b7280;
}

/* Strength */
.strength-section { padding: 64px 40px; }
.strength-section .section-title { margin-bottom: 28px; }
.strength-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.strength-card {
  background: #f4f7fb;
  border-radius: 12px;
  padding: 22px;
}
.strength-card.green { border-left: 3px solid #22c55e; }
.strength-card.blue { border-left: 3px solid #4f8ef7; }
.strength-card.purple { border-left: 3px solid #a855f7; }
.strength-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 8px;
}
.strength-card p {
  font-size: 13px;
  line-height: 1.8;
  color: #6b7280;
}

/* Works */
.works-section {
  background: #f4f7fb;
  padding: 64px 40px;
}
.works-section .section-title { margin-bottom: 6px; }
.works-note {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 32px;
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.work-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.work-card-bar {
  height: 6px;
}
.work-card-bar.blue { background: #4f8ef7; }
.work-card-bar.purple { background: #a855f7; }
.work-card-bar.dark { background: #1f2937; }
.work-card-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.work-tags {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.work-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 9999px;
}
.work-tag.blue { color: #3b7ae0; background: #eff5ff; }
.work-tag.purple { color: #7c3aed; background: #f3ecff; }
.work-tag.dark { color: #374151; background: #eef1f6; }
.work-tag.gray { color: #6b7280; background: #f1f4f8; }
.work-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 8px;
}
.work-card-desc {
  font-size: 13px;
  line-height: 1.8;
  color: #6b7280;
  margin-bottom: 18px;
  flex: 1;
}
.work-metrics {
  display: flex;
  gap: 24px;
}
.work-metric-value {
  font-size: 13px;
  font-weight: 700;
  color: #1f2937;
}
.work-metric-value.blue {
  font-size: 15px;
  color: #4f8ef7;
}
.work-metric-value.purple {
  font-size: 15px;
  color: #a855f7;
}
.work-metric-label {
  font-size: 11px;
  color: #9ca3af;
}

/* Flow */
.flow-section { padding: 64px 40px; }
.flow-section .section-title { margin-bottom: 32px; }
.flow-steps {
  display: flex;
  align-items: stretch;
}
.flow-step {
  flex: 1;
  text-align: center;
  padding: 0 12px;
}
.flow-badge {
  width: 44px; height: 44px;
  margin: 0 auto 14px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.flow-badge.light { background: #eff5ff; color: #3b7ae0; }
.flow-badge.dark { background: #1f2937; color: #fff; }
.flow-step h3 {
  font-size: 14px;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 6px;
}
.flow-step p {
  font-size: 12px;
  line-height: 1.7;
  color: #6b7280;
}
.flow-arrow {
  align-self: center;
  color: #cbd5e1;
  font-size: 16px;
  flex-shrink: 0;
}

/* Legal (Privacy Policy) */
.legal-section {
  padding: 56px 40px 64px;
  max-width: 860px;
  margin: 0 auto;
}
.legal-title {
  font-size: 30px;
  font-weight: 700;
  color: #1f2937;
  margin: 6px 0 24px;
}
.legal-lead {
  font-size: 14px;
  line-height: 1.9;
  color: #4b5563;
  padding-bottom: 28px;
  margin-bottom: 8px;
  border-bottom: 1px solid #e5e7eb;
}
.legal-article {
  padding: 28px 0;
  border-bottom: 1px solid #eef1f6;
}
.legal-article:last-of-type { border-bottom: none; }
.legal-article h2 {
  font-size: 18px;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 14px;
}
.legal-article p {
  font-size: 14px;
  line-height: 1.95;
  color: #4b5563;
  margin-bottom: 12px;
}
.legal-article p:last-child { margin-bottom: 0; }
.legal-list {
  margin: 4px 0 12px;
  padding-left: 1.4em;
}
.legal-list > li {
  font-size: 14px;
  line-height: 1.9;
  color: #4b5563;
  margin-bottom: 10px;
}
.legal-list-bullet { list-style: disc; }
.legal-sublist {
  margin: 8px 0 4px;
  padding-left: 1.4em;
  list-style: lower-roman;
}
.legal-sublist > li {
  font-size: 13.5px;
  line-height: 1.85;
  color: #6b7280;
  margin-bottom: 6px;
}
.legal-back {
  padding-top: 32px;
}

/* Company */
.company-section {
  background: #f4f7fb;
  padding: 64px 40px;
}
.company-section .section-title { margin-bottom: 28px; }
.company-table {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  overflow: hidden;
}
.company-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid #eef1f6;
}
.company-row:last-child { border-bottom: none; }
.company-row dt {
  padding: 18px 24px;
  font-size: 13px;
  font-weight: 700;
  color: #374151;
  background: #f9fafc;
  border-right: 1px solid #eef1f6;
}
.company-row dd {
  padding: 18px 24px;
  font-size: 14px;
  line-height: 1.8;
  color: #4b5563;
}

/* Contact */
.contact-section { padding: 64px 40px 72px; }
.contact-card {
  position: relative;
  background: #0f1729;
  border-radius: 18px;
  padding: 52px 44px;
  overflow: hidden;
}
.contact-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
  pointer-events: none;
}
.contact-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}
.contact-inner h2 {
  font-size: 26px;
  font-weight: 700;
  color: #f8fafc;
  margin-bottom: 12px;
}
.contact-inner p {
  font-size: 14px;
  line-height: 1.8;
  color: #94a3b8;
  max-width: 480px;
}
.contact-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #4f8ef7;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 16px 32px;
  border-radius: 9999px;
  white-space: nowrap;
  box-shadow: 0 10px 20px -6px rgba(79,142,247,0.6);
  transition: background 0.15s;
}
.contact-cta:hover { background: #3b7ae0; color: #fff; }
.contact-cta .arrow { font-size: 12px; }

/* Footer */
.site-footer {
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-top: 28px;
  border-top: 1px solid #e5e7eb;
}
.footer-info {
  font-size: 12px;
  line-height: 2;
  color: #6b7280;
}
.footer-company {
  font-weight: 700;
  color: #1f2937;
  font-size: 13px;
  margin-bottom: 4px;
}
.footer-copy {
  font-size: 11px;
  color: #9ca3af;
  text-align: right;
  line-height: 1.9;
}
.footer-copy a {
  color: #6b7280;
  text-decoration: none;
}
.footer-copy a:hover { color: #4f8ef7; text-decoration: underline; }

/* Responsive */
@media (max-width: 960px) {
  .service-grid,
  .strength-grid,
  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .capability-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .capability-strip .capability-cell:last-child {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 12px 20px;
    border-bottom: 1px solid #e5e7eb;
    gap: 4px;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 14px; }
  .site-nav .nav-cta { margin-left: 0; text-align: center; }
  .nav-toggle { display: block; }
  .site-header { padding: 16px 20px; }

  .hero-inner { padding: 48px 20px 56px; }
  .hero h1 { font-size: 32px; }

  .flow-steps { flex-direction: column; gap: 20px; align-items: center; }
  .flow-arrow { transform: rotate(90deg); }
  .flow-step { padding: 0; }

  .company-row { grid-template-columns: 1fr; }
  .company-row dt {
    border-right: none;
    border-bottom: 1px solid #eef1f6;
    padding: 14px 20px;
  }
  .company-row dd { padding: 14px 20px; }

  .contact-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .contact-inner p { max-width: none; }
  .contact-card { padding: 36px 24px; }
  .contact-section { padding: 40px 20px 48px; }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .footer-copy { text-align: left; }
}

@media (max-width: 640px) {
  .service-grid,
  .strength-grid,
  .works-grid {
    grid-template-columns: 1fr;
  }
  .capability-strip {
    grid-template-columns: 1fr;
  }
  .capability-strip .capability-cell:last-child {
    grid-column: span 1;
  }
  .service-section,
  .strength-section,
  .works-section,
  .flow-section,
  .company-section { padding: 40px 20px; }
  .legal-section { padding: 36px 20px 48px; }
  .legal-title { font-size: 24px; }
}