:root {
  --bg: #0b1110;
  --bg-soft: #111917;
  --card: rgba(255, 255, 255, 0.04);
  --text: #edf3ef;
  --muted: rgba(237, 243, 239, 0.72);
  --line: rgba(255, 255, 255, 0.1);
  --accent: #7ce0b0;
  --accent-strong: #4fd18c;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.22);
  --radius: 28px;
  --container: 1180px;
  --narrow: 860px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI", Meiryo, sans-serif;
  line-height: 1.8;
}

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

a:hover {
  opacity: 0.92;
}

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

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

.narrow {
  width: min(calc(100% - 40px), var(--narrow));
}

.narrow-wide {
  width: min(calc(100% - 40px), 1020px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 17, 16, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 78px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-en {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.28em;
}

.brand-ja {
  font-size: 19px;
  font-weight: 700;
}

.menu {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: rgba(255,255,255,0.78);
  font-size: 14px;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(124, 224, 176, 0.18), transparent 28%),
    radial-gradient(circle at bottom left, rgba(79, 209, 140, 0.18), transparent 30%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  padding: 96px 0 110px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(124, 224, 176, 0.28);
  background: rgba(124, 224, 176, 0.1);
  color: #b8f3d8;
  font-size: 14px;
}

.eyebrow.small {
  padding: 0;
  background: none;
  border: none;
  color: var(--accent);
  letter-spacing: 0.24em;
  font-size: 12px;
}

.hero-title,
.page-title,
.section-title {
  line-height: 1.2;
  margin: 18px 0 0;
  letter-spacing: -0.02em;
}

.hero-title {
  font-size: clamp(38px, 6vw, 72px);
  max-width: 10em;
}

.hero-text,
.section-text,
.section-subtitle,
.card p,
.content-body {
  color: var(--muted);
}

.hero-text {
  font-size: 17px;
  max-width: 44em;
  margin-top: 24px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 18px;
  font-weight: 700;
}

.button.primary {
  background: var(--accent);
  color: #062313;
  box-shadow: 0 12px 24px rgba(124, 224, 176, 0.16);
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
}

.mission-grid,
.grid-2,
.grid-3,
.footer-grid {
  display: grid;
  gap: 18px;
}

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

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

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

.mission-card,
.card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.mission-card h2,
.card h2,
.card h3 {
  margin: 12px 0 0;
  font-size: 28px;
  line-height: 1.3;
}

.card h3 {
  font-size: 26px;
}

.card p {
  margin-top: 16px;
}

.section {
  padding: 96px 0;
}

.section.alt {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-label,
.meta-title,
.meta,
.footer-heading,
.text-link {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.section-subtitle {
  margin-top: 16px;
  max-width: 46em;
}

.two-col,
.two-col-compact {
  display: grid;
  gap: 30px;
}

.two-col {
  grid-template-columns: 1.1fr 0.9fr;
}

.two-col-compact {
  grid-template-columns: 0.85fr 1.15fr;
}

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

.feature-value {
  margin-top: 10px;
  font-size: 26px;
  line-height: 1.5;
}

.list-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.list-number {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #072116;
  border-radius: 16px;
  font-weight: 800;
}

.section-head-inline {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.text-link {
  letter-spacing: 0.08em;
}

.empty-card {
  grid-column: 1 / -1;
}

.spaced-top {
  margin-top: 28px;
}

.statement-card p {
  font-size: 18px;
  line-height: 1.9;
}

.statement-card h2 {
  margin-top: 0;
}

.profile-name {
  margin-top: 10px;
  font-size: 34px;
  font-weight: 800;
}

.profile-company {
  margin-top: 6px;
  color: var(--muted);
}

.message-card p + p {
  margin-top: 18px;
}

.company-table {
  display: grid;
  gap: 18px;
  margin: 0;
}

.company-table div {
  display: grid;
  gap: 6px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.company-table dt {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.company-table dd {
  margin: 0;
  font-size: 18px;
}

.content-page .content-body > *:first-child {
  margin-top: 0;
}

.content-body h2,
.content-body h3 {
  margin-top: 1.7em;
}

.post-list {
  display: grid;
  gap: 18px;
}

.contact-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 46px 0 20px;
  background: #09100f;
}

.footer-grid {
  grid-template-columns: 1.2fr 1fr 1fr;
}

.footer-brand {
  font-size: 22px;
  font-weight: 800;
}

.footer-copy,
.site-footer p,
.footer-bottom {
  color: var(--muted);
}

.footer-bottom {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

@media (max-width: 960px) {
  .hero-grid,
  .two-col,
  .two-col-compact,
  .grid-2,
  .grid-3,
  .contact-meta-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .menu {
    flex-wrap: wrap;
    gap: 12px 18px;
    justify-content: flex-end;
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 0;
  }

  .site-nav {
    width: 100%;
  }

  .menu {
    justify-content: flex-start;
  }

  .hero-grid,
  .section {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .mission-card,
  .card {
    padding: 22px;
  }

  .feature-value,
  .company-table dd,
  .statement-card p {
    font-size: 17px;
  }
}