:root {
  --ink: #142331;
  --muted: #5d6e7a;
  --navy: #10283a;
  --navy-deep: #071b2a;
  --teal: #2aa99a;
  --teal-dark: #167f76;
  --line: #dce5e9;
  --soft: #f3f7f8;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  padding: 0 clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid rgba(220, 229, 233, .9);
  backdrop-filter: blur(14px);
}

.brand {
  font-size: 22px;
  font-weight: 900;
  color: var(--navy);
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #304555;
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  padding: 8px 0;
}

.nav-contact {
  padding: 10px 14px !important;
  color: var(--white);
  background: var(--navy);
  border-radius: 4px;
}

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 70px));
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("assets/hero-local-llm.png");
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 27, 42, .96) 0%, rgba(7, 27, 42, .88) 42%, rgba(7, 27, 42, .36) 75%, rgba(7, 27, 42, .16) 100%),
    linear-gradient(0deg, rgba(7, 27, 42, .18), rgba(7, 27, 42, .18));
}

.hero-inner {
  position: relative;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 74px 0 64px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.35;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.12;
  font-weight: 900;
}

.hero-copy {
  max-width: 720px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, .9);
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.9;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(760px, 100%);
  margin-top: 34px;
  border: 1px solid rgba(255, 255, 255, .22);
  background: rgba(255, 255, 255, .16);
}

.hero-proof div {
  min-height: 98px;
  padding: 18px;
  background: rgba(5, 20, 31, .52);
}

.hero-proof strong {
  display: block;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.35;
}

.hero-proof span {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, .76);
  font-size: 13px;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 900;
}

.button.primary {
  color: #06191a;
  background: var(--teal);
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, .58);
}

.section {
  padding: clamp(64px, 8vw, 104px) clamp(20px, 5vw, 72px);
}

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

.section-head {
  max-width: 880px;
  margin: 0 auto 38px;
  text-align: center;
}

.section-head.compact {
  max-width: 760px;
}

h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.22;
}

.section-head p:not(.section-kicker) {
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

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

.feature-card,
.service-card,
.reason-grid article,
.result-groups article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.feature-card {
  min-height: 250px;
  padding: 24px;
}

.card-number {
  display: block;
  margin-bottom: 28px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 900;
}

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

.feature-card p,
.service-card p,
.reason-grid p,
.result-groups p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.band {
  padding: 0 clamp(20px, 5vw, 72px);
  background: var(--white);
}

.band-inner {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 42px;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: clamp(44px, 6vw, 70px);
  color: var(--white);
  background: var(--navy);
  border-radius: 8px;
}

.band h2 {
  color: var(--white);
}

.consult-list {
  display: grid;
  gap: 12px;
}

.consult-list p {
  margin: 0;
  padding: 15px 16px;
  color: rgba(255, 255, 255, .9);
  background: rgba(255, 255, 255, .08);
  border-left: 4px solid var(--teal);
  border-radius: 4px;
  line-height: 1.65;
}

.service-card {
  min-height: 190px;
  padding: 26px;
}

.results-layout {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 22px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.result-highlight {
  padding: 30px;
  color: var(--white);
  background: var(--navy-deep);
  border-radius: 8px;
}

.result-highlight h3 {
  color: var(--white);
}

.result-highlight ul {
  margin: 20px 0 0;
  padding-left: 1.2em;
}

.result-highlight li {
  margin: 11px 0;
  color: rgba(255, 255, 255, .88);
  line-height: 1.65;
}

.result-groups {
  display: grid;
  gap: 14px;
}

.result-groups article {
  padding: 22px;
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.reason-grid article {
  padding: 26px;
}

.company-section {
  display: grid;
  grid-template-columns: .35fr .65fr;
  gap: 48px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding-left: 0;
  padding-right: 0;
}

.company-table {
  margin: 0;
  border-top: 1px solid var(--line);
}

.company-table div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.company-table dt {
  color: var(--navy);
  font-weight: 900;
}

.company-table dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.contact-section {
  padding: clamp(72px, 9vw, 120px) clamp(20px, 5vw, 72px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(7, 27, 42, .96), rgba(16, 40, 58, .94)),
    linear-gradient(90deg, var(--navy-deep), var(--navy));
}

.contact-inner {
  width: min(880px, 100%);
  margin: 0 auto;
  text-align: center;
}

.contact-inner h2 {
  color: var(--white);
}

.contact-inner p {
  margin: 18px auto 28px;
  max-width: 720px;
  color: rgba(255, 255, 255, .82);
  font-size: 16px;
  line-height: 1.9;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, .72);
  background: #06131d;
}

.footer p {
  margin: 0;
  font-size: 14px;
}

@media (max-width: 920px) {
  .nav {
    gap: 14px;
    font-size: 13px;
  }

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

  .band-inner,
  .results-layout,
  .company-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding-top: 76px;
    padding-bottom: 58px;
  }

  .hero-proof,
  .feature-grid,
  .feature-grid.four,
  .reason-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: auto;
  }

  .band {
    padding: 0;
  }

  .band-inner {
    border-radius: 0;
    padding: 44px 20px;
  }

  .company-table div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer {
    flex-direction: column;
  }
}