:root {
  --primary: #1f5fa8;
  --primary-deep: #081f43;
  --primary-soft: #4d86d1;
  --accent: #9fc4ff;
  --text: #11243d;
  --muted: #64748b;
  --line: #d9e1ee;
  --bg: #f4f7fb;
  --bg-soft: #f8fafd;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(8, 31, 67, 0.12);
  --shadow-hover: 0 24px 50px rgba(8, 31, 67, 0.16);
  --radius: 24px;
  --radius-sm: 16px;
  --container: 1180px;
  --header-h: 78px;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    "Source Han Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--text);
  background: var(--white);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
section[id] { scroll-margin-top: 100px; }

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 31, 67, 0.84);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-wrap {
  position: relative;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  min-width: 0;
}

.brand-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.brand-copy strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
}

.brand-copy small {
  display: block;
  font-size: 11px;
  opacity: 0.75;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 14px;
}

.site-nav a {
  position: relative;
  transition: color 0.25s ease, opacity 0.25s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.92);
  transition: width 0.25s ease;
}

.site-nav a:hover {
  color: #fff;
}

.site-nav a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: transparent;
  color: #fff;
  border: 0;
  font-size: 28px;
  padding: 4px;
  cursor: pointer;
  line-height: 1;
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h) + 32px);
  overflow: hidden;
  background:
    linear-gradient(135deg, #071f45 0%, #0c3264 42%, #1f5fa8 100%);
  color: #fff;
}

.hero-pattern,
.hero-orb {
  position: absolute;
  pointer-events: none;
}

.hero-pattern {
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.85), rgba(0,0,0,0.35));
}

.hero-orb-1 {
  width: 520px;
  height: 520px;
  border-radius: 50%;
  right: -140px;
  top: -80px;
  background: radial-gradient(circle, rgba(159, 196, 255, 0.22) 0%, rgba(159, 196, 255, 0) 68%);
}

.hero-orb-2 {
  width: 420px;
  height: 420px;
  border-radius: 50%;
  left: -120px;
  bottom: -140px;
  background: radial-gradient(circle, rgba(77, 134, 209, 0.18) 0%, rgba(77, 134, 209, 0) 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  min-height: calc(100svh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 72px 0;
}

.hero-topline {
  margin: 0 0 18px;
  font-size: 14px;
  letter-spacing: 0.08em;
  opacity: 0.8;
}

.hero h1 {
  margin: 0;
  font-size: clamp(56px, 11vw, 116px);
  line-height: 0.92;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.hero h1 span {
  display: block;
  margin-top: 12px;
  font-size: 0.38em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-summary {
  max-width: 920px;
  margin: 24px auto 0;
  font-size: 18px;
  opacity: 0.92;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 144px;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: #fff;
  color: var(--primary-deep);
  box-shadow: 0 12px 28px rgba(255, 255, 255, 0.16);
}

.btn-primary:hover { background: #f2f7ff; }

.btn-secondary {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.06);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.5);
}

.section { padding: 92px 0; }
.section-alt { background: var(--bg); }

.section-contents {
  background:
    radial-gradient(circle at top left, rgba(31, 95, 168, 0.08), transparent 28%),
    linear-gradient(180deg, #f6f9fd 0%, #eef3f9 100%);
}

.section-head {
  margin-bottom: 34px;
}

.section-head.split {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
}

.section-head.align-center {
  text-align: center;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
}

.section-head p {
  margin: 0;
  max-width: 560px;
  color: var(--muted);
}

.align-center p {
  margin-left: auto;
  margin-right: auto;
  max-width: 760px;
}

.eyebrow {
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h2 {
  margin: 10px 0 0;
  color: var(--primary-deep);
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.06;
}

h3 {
  margin: 0 0 12px;
  color: var(--primary-deep);
  font-size: 21px;
  line-height: 1.35;
}

.section-line {
  width: 104px;
  height: 4px;
  margin: 0 0 26px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.two-col {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 42px;
  align-items: center;
}

.contents-grid,
.feature-list-cards,
.business-grid,
.client-groups,
.advantage-grid,
.highlight-grid,
.metric-row,
.service-mini-grid,
.stage-grid,
.timeline-steps {
  display: grid;
  gap: 20px;
}

.contents-grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.contents-grid a,
.card-panel,
.highlight-grid article,
.feature-list-cards article,
.business-grid article,
.client-groups article,
.advantage-grid article,
.metric-row article,
.service-mini-grid article,
.stage-grid article,
.contact-side article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contents-grid a,
.highlight-grid article,
.feature-list-cards article,
.business-grid article,
.client-groups article,
.advantage-grid article,
.metric-row article,
.service-mini-grid article,
.stage-grid article,
.contact-side article,
.card-panel {
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.contents-grid a:hover,
.highlight-grid article:hover,
.feature-list-cards article:hover,
.business-grid article:hover,
.client-groups article:hover,
.advantage-grid article:hover,
.metric-row article:hover,
.service-mini-grid article:hover,
.stage-grid article:hover,
.contact-side article:hover,
.card-panel:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(31, 95, 168, 0.18);
}

.contents-grid a {
  min-height: 206px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(180deg, #fff 0%, #fbfcfe 100%);
}

.contents-grid span {
  display: block;
  margin-bottom: 18px;
  color: var(--primary);
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
}

.contents-grid strong {
  display: block;
  font-size: 22px;
  line-height: 1.3;
}

.contents-grid small {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.intro-copy p,
.hr-copy p,
.culture-copy p,
.card-panel p,
.feature-list-cards li,
.client-groups li,
.business-grid p,
.advantage-grid p,
.metric-row span,
.service-mini-grid span,
.process-flow div,
.timeline-steps span,
.timeline-steps article,
.contact-card p {
  color: var(--muted);
}

.intro-copy p,
.hr-copy p {
  margin: 0 0 20px;
  font-size: 17px;
  line-height: 1.95;
}

.highlight-grid.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 12px;
}

.highlight-grid article {
  padding: 24px;
  background: linear-gradient(180deg, #fff, #f9fbfe);
}

.visual-card {
  overflow: hidden;
  border-radius: 30px;
  background: #fff;
  border: 1px solid rgba(31, 95, 168, 0.08);
  box-shadow: var(--shadow);
}

.visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.framed-media {
  padding: 14px;
  min-height: 440px;
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(246, 249, 253, 0.9));
}

.framed-media img {
  min-height: 100%;
  border-radius: 22px;
}

.metric-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 28px;
}

.metric-row article {
  padding: 28px 24px;
  text-align: center;
}

.metric-row strong {
  display: block;
  color: var(--primary-deep);
  font-size: 42px;
  line-height: 1;
  font-weight: 800;
  margin-bottom: 10px;
}

.qualification-layout {
  align-items: start;
}

.feature-list-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-list-cards article {
  padding: 24px;
}

.feature-list-cards ul,
.client-groups ul,
.number-list {
  margin: 0;
  padding-left: 18px;
}

.feature-list-cards li + li,
.client-groups li + li,
.number-list li + li {
  margin-top: 10px;
}

.media-stack {
  display: grid;
  gap: 20px;
}

.media-stack .slim {
  min-height: 280px;
  padding: 12px;
}

.media-stack .slim img {
  border-radius: 20px;
}

.business-section {
  background:
    radial-gradient(circle at 10% 15%, rgba(31, 95, 168, 0.08), transparent 24%),
    radial-gradient(circle at 90% 84%, rgba(159, 196, 255, 0.16), transparent 22%),
    linear-gradient(180deg, #f8fafd 0%, #eef3f9 100%);
}

.business-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.business-grid article {
  position: relative;
  padding: 28px 24px 24px;
  min-height: 250px;
}

.icon-badge {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--primary-soft));
  box-shadow: 0 14px 28px rgba(31, 95, 168, 0.18);
}

.consulting-layout {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 24px;
  margin-bottom: 24px;
}

.card-panel {
  position: relative;
  padding: 30px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(248, 250, 253, 0.96));
}

.panel-intro {
  margin: -4px 0 18px;
  color: var(--muted);
}

.service-mini-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.service-mini-grid article {
  padding: 22px;
}

.service-mini-grid strong {
  display: block;
  margin-bottom: 10px;
  color: var(--primary-deep);
}

.visual-bg {
  overflow: hidden;
  background-size: cover;
  background-position: center;
  color: #fff;
  min-height: 100%;
}

.panel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 31, 69, 0.82), rgba(8, 31, 67, 0.9));
}

.panel-content {
  position: relative;
  z-index: 1;
}

.visual-bg h3,
.visual-bg strong,
.visual-bg p { color: #fff; }

.value-points {
  display: grid;
  gap: 18px;
}

.value-points article {
  padding: 18px 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.value-points article:first-child {
  border-top: 0;
  padding-top: 0;
}

.consulting-fields .fields-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.field-group + .field-group { margin-top: 18px; }

.field-group span {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: #edf4ff;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 10px;
}

.field-group p { margin: 0; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-list span,
.chip-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 999px;
  background: #eef4ff;
  color: var(--primary-deep);
  border: 1px solid #d9e4f2;
  font-weight: 700;
}

.supervision-intro {
  align-items: stretch;
  margin-bottom: 24px;
}

.supervision-copy { display: flex; flex-direction: column; justify-content: center; }

.number-list {
  list-style: none;
  padding: 0;
  counter-reset: item;
}

.number-list li {
  counter-increment: item;
  position: relative;
  padding-left: 54px;
  min-height: 38px;
}

.number-list li::before {
  content: counter(item, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-soft));
  font-size: 13px;
  font-weight: 800;
}

.supervision-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.stage-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stage-grid article {
  padding: 24px;
  text-align: center;
}

.stage-grid strong {
  display: block;
  color: var(--primary);
  font-size: 30px;
  line-height: 1;
  margin-bottom: 10px;
}

.wide-panel {
  grid-column: 1 / -1;
}

.process-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.process-flow div {
  position: relative;
  padding: 18px 18px 18px 56px;
  border-radius: 20px;
  background: #f3f7fd;
  border: 1px solid #dde7f2;
  color: var(--primary-deep);
  font-weight: 700;
}

.process-flow div::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-soft));
  box-shadow: 0 8px 18px rgba(31, 95, 168, 0.16);
}

.timeline-steps {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.timeline-steps article {
  padding: 22px 18px;
  text-align: center;
  border-radius: 22px;
  background: linear-gradient(180deg, #f7faff, #eef3fb);
  border: 1px solid #dbe4f0;
}

.timeline-steps strong {
  display: block;
  font-size: 28px;
  line-height: 1;
  color: var(--primary);
  margin-bottom: 12px;
}

.hr-grid,
.culture-grid { align-items: stretch; }

.culture-section {
  background:
    linear-gradient(180deg, #f7faff 0%, #eef3f9 100%);
}

.culture-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.culture-stack {
  display: grid;
  gap: 18px;
}

.culture-stack article {
  padding: 24px 26px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.tech-advantage-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.tech-advantage-grid article {
  position: relative;
  padding: 28px 24px 24px;
  min-height: 240px;
}

.tech-advantage-grid strong {
  display: block;
  color: rgba(31, 95, 168, 0.18);
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 12px;
}

.client-groups {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.client-groups article {
  padding: 28px 24px;
}

.contact-section {
  background: linear-gradient(180deg, #081f43 0%, #04162e 100%);
  color: #fff;
}

.contact-card {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 24px;
  padding: 34px;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.16);
}

.contact-card h2,
.contact-card h3,
.contact-card p,
.contact-card .eyebrow { color: #fff; }

.contact-card p { opacity: 0.86; }
.contact-card .eyebrow { color: #9fc4ff; }

.contact-side {
  display: grid;
  gap: 16px;
}

.contact-side article {
  padding: 22px;
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
}

.site-footer {
  background: #04101f;
  color: rgba(255,255,255,0.72);
  padding: 18px 0;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-wrap p { margin: 0; }

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(159, 196, 255, 0.7);
  outline-offset: 3px;
  border-radius: 12px;
}

@media (max-width: 1180px) {
  .contents-grid.cols-4,
  .business-grid,
  .tech-advantage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .client-groups,
  .metric-row,
  .feature-list-cards,
  .process-flow,
  .timeline-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .menu-toggle { display: block; }

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: var(--header-h);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 14px;
    border-radius: 18px;
    background: rgba(8, 31, 67, 0.96);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
    max-height: calc(100vh - 110px);
    overflow-y: auto;
  }

  .site-nav.open { display: flex; }

  .site-nav a {
    width: 100%;
    padding: 10px 6px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .site-nav a:last-child { border-bottom: 0; }
  .site-nav a::after { display: none; }

  .two-col,
  .consulting-layout,
  .contact-card,
  .section-head.split,
  .consulting-fields .fields-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .supervision-grid,
  .feature-list-cards,
  .metric-row,
  .client-groups,
  .process-flow,
  .timeline-steps,
  .service-mini-grid,
  .contents-grid.cols-4,
  .business-grid,
  .tech-advantage-grid,
  .highlight-grid.two-up {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 92svh;
  }

  .hero-content {
    padding: 88px 0 64px;
  }

  .hero-summary {
    font-size: 16px;
  }

  .framed-media {
    min-height: auto;
  }

  .section {
    padding: 76px 0;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(var(--container), calc(100% - 24px));
  }

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

  .brand-copy strong { font-size: 14px; }
  .brand-copy small { font-size: 10px; }

  .hero-topline {
    font-size: 12px;
    line-height: 1.7;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .btn { width: 100%; }

  .card-panel,
  .contents-grid a,
  .business-grid article,
  .tech-advantage-grid article,
  .feature-list-cards article,
  .client-groups article,
  .service-mini-grid article,
  .stage-grid article,
  .contact-side article,
  .highlight-grid article {
    padding: 22px 18px;
    border-radius: 20px;
  }

  .contact-card {
    padding: 22px 18px;
    border-radius: 24px;
  }

  .framed-media { padding: 8px; }
  .framed-media img { border-radius: 16px; }

  .process-flow div {
    padding: 16px 16px 16px 50px;
  }

  .stage-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}