:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #edf3ff;
  --text: #14213d;
  --muted: #5d6b82;
  --primary: #155dfc;
  --primary-dark: #0d3eb3;
  --accent: #12b981;
  --border: #dce5f2;
  --shadow: 0 24px 70px rgba(20, 33, 61, 0.12);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 12% 20%, rgba(21, 93, 252, 0.035), transparent 24%),
    radial-gradient(circle at 88% 72%, rgba(18, 185, 129, 0.035), transparent 28%);
  content: "";
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(220, 229, 242, 0.8);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  animation: fadeDown 0.72s ease both;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 14px;
  font-weight: 900;
  box-shadow: 0 12px 24px rgba(21, 93, 252, 0.22);
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-weight: 700;
  animation: fadeDown 0.72s ease 0.08s both;
}

.nav-menu a:hover {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--text);
  background: #ffffff;
  font-weight: 700;
}

.hero {
  overflow: hidden;
  padding: 96px 0 80px;
  background:
    radial-gradient(circle at 20% 10%, rgba(18, 185, 129, 0.08), transparent 34%),
    radial-gradient(circle at 85% 20%, rgba(21, 93, 252, 0.08), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

.hero-copy .eyebrow,
.hero-copy h1,
.hero-copy .hero-lead,
.hero-actions {
  animation: fadeUp 0.78s ease both;
}

.hero-copy h1 {
  animation-delay: 0.08s;
}

.hero-copy .hero-lead {
  animation-delay: 0.16s;
}

.hero-actions {
  animation-delay: 0.24s;
}

.hero-grid,
.split,
.geo-intro,
.contact-card,
.footer-inner {
  display: grid;
  align-items: center;
  gap: 48px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 740px;
  margin-bottom: 24px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.06em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.35;
}

.hero-lead,
.section-heading p,
.geo-intro p,
.contact-card p {
  color: var(--muted);
  font-size: 17px;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 22px;
  font-weight: 900;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button.primary {
  color: #ffffff;
  background: var(--primary);
  box-shadow: 0 18px 34px rgba(21, 93, 252, 0.26);
}

.button.primary:hover {
  background: var(--primary-dark);
}

.button.secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: #ffffff;
}

.hero-card {
  position: relative;
  animation: floatIn 0.9s ease 0.18s both;
}

.hero-card::before,
.hero-card::after {
  position: absolute;
  content: "";
  border-radius: 999px;
  filter: blur(2px);
}

.hero-card::before {
  right: -18px;
  top: 30px;
  width: 74px;
  height: 74px;
  background: rgba(18, 185, 129, 0.08);
}

.hero-card::after {
  left: -24px;
  bottom: 20px;
  width: 110px;
  height: 110px;
  background: rgba(21, 93, 252, 0.06);
}

.dashboard-card {
  position: relative;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 36px;
  padding: 28px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(237, 243, 255, 0.82));
  box-shadow: var(--shadow);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.dashboard-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 72px rgba(20, 33, 61, 0.13);
}

.dashboard-top {
  display: flex;
  gap: 8px;
  margin-bottom: 36px;
}

.dashboard-top span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border);
}

.dashboard-title {
  margin-bottom: 28px;
}

.dashboard-title p {
  margin-bottom: 4px;
  color: var(--muted);
  font-weight: 700;
}

.dashboard-title strong {
  font-size: 30px;
  line-height: 1.2;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.metric-grid div,
.about-card,
.business-card,
.product-card,
.feature-card,
.contact-card {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 18px 50px rgba(20, 33, 61, 0.08);
}

.metric-grid div {
  min-height: 116px;
  border-radius: 22px;
  padding: 18px;
}

.metric-grid strong,
.metric-grid span {
  display: block;
}

.metric-grid strong {
  margin-bottom: 8px;
}

.metric-grid span {
  color: var(--muted);
}

.section {
  padding: 92px 0;
}

.section-muted {
  background: var(--surface-soft);
}

.split,
.geo-intro,
.contact-card {
  grid-template-columns: 1fr 1fr;
}

.about-card,
.contact-card {
  border-radius: var(--radius);
  padding: 34px;
}

.company-list {
  display: grid;
  gap: 20px;
  margin: 0;
}

.company-list div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
}

.company-list dt {
  color: var(--muted);
  font-weight: 700;
}

.company-list dd {
  margin: 0;
  font-weight: 700;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.business-grid,
.product-grid,
.feature-grid {
  display: grid;
  gap: 22px;
}

.business-grid {
  grid-template-columns: repeat(3, 1fr);
}

.product-grid {
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
}

.business-card,
.product-card,
.feature-card {
  border-radius: var(--radius);
  padding: 30px;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.business-card:hover,
.product-card:hover,
.feature-card:hover {
  border-color: rgba(21, 93, 252, 0.28);
  transform: translateY(-4px);
  box-shadow: 0 22px 58px rgba(20, 33, 61, 0.1);
}

.business-card {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  padding: 34px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.9)),
    radial-gradient(circle at 100% 0%, rgba(21, 93, 252, 0.12), transparent 36%);
}

.business-card::before {
  position: absolute;
  right: -42px;
  top: -42px;
  display: block;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(18, 185, 129, 0.12);
  content: "";
}

.business-index {
  display: inline-flex;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-content: center;
  margin-bottom: 26px;
  border-radius: 16px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 900;
}

.business-card h3,
.business-card p,
.business-tags {
  position: relative;
  z-index: 1;
}

.business-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.business-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border: 1px solid rgba(21, 93, 252, 0.12);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--primary-dark);
  background: rgba(237, 243, 255, 0.92);
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease;
}

.business-tags span:hover {
  background: #ffffff;
  transform: translateY(-1px);
}

.product-card.featured {
  color: #ffffff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--primary), #0c2f7a);
}

.product-card.featured p,
.product-card.featured a {
  color: rgba(255, 255, 255, 0.86);
}

.business-card p,
.product-card p,
.feature-card p {
  color: var(--muted);
}

.product-card a {
  color: var(--primary);
  font-weight: 900;
}

.tag {
  display: inline-flex;
  margin-bottom: 18px;
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--primary-dark);
  background: #e9f2ff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.tag.muted {
  color: var(--muted);
  background: #f2f5fa;
}

.feature-grid {
  grid-template-columns: repeat(3, 1fr);
}

.icon {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 16px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 900;
}

.workflow {
  display: grid;
  gap: 14px;
}

.timeline {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: workflow;
}

.timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 22px 24px 22px 76px;
  background: #ffffff;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.timeline li:hover {
  transform: translateX(4px);
  box-shadow: 0 14px 38px rgba(20, 33, 61, 0.08);
}

.timeline li::before {
  position: absolute;
  left: 24px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  color: #ffffff;
  background: var(--primary);
  content: counter(workflow);
  counter-increment: workflow;
  font-size: 13px;
  font-weight: 900;
}

.timeline strong {
  font-size: 18px;
}

.timeline span {
  color: var(--muted);
}

.contact-section {
  padding-bottom: 76px;
}

.contact-card {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(237, 243, 255, 0.94)),
    radial-gradient(circle at 10% 20%, rgba(18, 185, 129, 0.14), transparent 28%);
}

.contact-actions {
  justify-content: flex-end;
  text-align: right;
}

.contact-actions p {
  width: 100%;
  margin: 0;
}

.footer {
  padding: 28px 0;
  color: var(--muted);
  background: #ffffff;
}

.footer-inner {
  grid-template-columns: 1fr auto;
}

.footer p {
  margin: 0;
}

.footer a {
  font-weight: 700;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.72s ease, transform 0.72s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(28px) scale(0.96);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: absolute;
    top: 76px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 18px;
    background: #ffffff;
    box-shadow: var(--shadow);
  }

  .nav-menu.is-open {
    display: flex;
  }

  .hero-grid,
  .split,
  .geo-intro,
  .contact-card,
  .business-grid,
  .product-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 72px;
  }

  .contact-actions {
    justify-content: flex-start;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .hero,
  .section {
    padding: 64px 0;
  }

  .metric-grid,
  .company-list div,
  .timeline li,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .timeline li {
    padding-top: 68px;
    padding-left: 22px;
  }

  .timeline li::before {
    top: 22px;
  }
}