:root {
  --bg: #091214;
  --surface: rgba(14, 24, 27, 0.78);
  --surface-strong: rgba(17, 29, 32, 0.96);
  --ink: #eef5e6;
  --muted: #b3c0b0;
  --line: rgba(238, 245, 230, 0.12);
  --line-strong: rgba(238, 245, 230, 0.18);
  --accent: #c3d5b7;
  --shadow: 0 16px 34px rgba(0, 0, 0, 0.18);
  --container: min(100% - 40px, 1040px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Avenir Next", "Hiragino Sans", "Yu Gothic", "YuGothic", "Segoe UI", sans-serif;
  line-height: 1.75;
  background:
    radial-gradient(circle at top left, rgba(195, 213, 183, 0.06), transparent 34%),
    linear-gradient(180deg, #0d1719 0%, #081113 100%);
}

a {
  color: inherit;
  text-decoration-color: rgba(24, 25, 22, 0.3);
  text-underline-offset: 0.22em;
}

a:hover,
a:focus-visible {
  text-decoration-color: currentColor;
}

img,
svg {
  display: block;
  max-width: 100%;
}

.page-shell {
  position: relative;
  overflow: clip;
}

.page-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.025;
  pointer-events: none;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 1;
  padding-top: 28px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 0 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-mark-image {
  width: 46px;
  height: auto;
  flex: 0 0 auto;
}

.brand-name {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 18px;
}

.site-nav a {
  font-size: 0.94rem;
  color: var(--ink);
  text-decoration: none;
  opacity: 0.76;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  opacity: 1;
}

.hero {
  position: relative;
  padding: clamp(28px, 5vw, 44px) 0 clamp(72px, 10vw, 124px);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 40px);
}

.hero-visual {
  width: min(100%, 960px);
  margin: 0;
  padding: clamp(12px, 2vw, 16px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(9, 18, 20, 0.74);
  box-shadow: var(--shadow);
}

.hero-visual-image {
  width: 100%;
  height: auto;
  border-radius: 18px;
  background: #0b1315;
}

.hero-copy {
  max-width: 720px;
  display: grid;
  gap: 16px;
}

.hero-kicker {
  margin: 0;
  font-size: 0.94rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero-lead {
  margin: 0;
  max-width: 34rem;
  font-size: clamp(1.08rem, 2.2vw, 1.34rem);
  line-height: 1.5;
}

.section {
  position: relative;
  z-index: 1;
  padding: clamp(56px, 8vw, 104px) 0 0;
}

.section-inner {
  padding-top: 28px;
  border-top: 1px solid var(--line-strong);
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.origin-copy {
  max-width: 720px;
  display: grid;
  gap: 18px;
  margin-top: 32px;
  color: var(--muted);
}

.origin-copy p {
  margin: 0;
}

.section-company {
  padding-bottom: clamp(56px, 8vw, 96px);
}

.table-wrap {
  margin-top: 32px;
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  background: var(--surface-strong);
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 22px 28px;
  vertical-align: top;
  text-align: left;
}

.company-table tr + tr th,
.company-table tr + tr td {
  border-top: 1px solid var(--line);
}

.company-table th {
  width: 28%;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--muted);
}

.company-table td {
  font-size: 0.98rem;
}

.site-footer {
  position: relative;
  z-index: 1;
  padding: 0 0 28px;
}

.footer-inner {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.footer-inner p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .hero-copy {
    max-width: none;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(100% - 28px, 1040px);
  }

  body {
    font-size: 15px;
  }

  .site-header {
    padding-top: 14px;
  }

  .header-inner {
    padding: 0 0 16px;
    align-items: flex-start;
  }

  .brand {
    gap: 12px;
  }

  .brand-name {
    font-size: 0.94rem;
    letter-spacing: 0.06em;
  }

  .site-nav a {
    font-size: 0.88rem;
  }

  .hero {
    padding-top: 30px;
  }

  .hero-visual {
    padding: 10px;
    border-radius: 22px;
  }

  .hero-visual-image {
    border-radius: 14px;
  }

  .hero-kicker {
    font-size: 0.88rem;
    letter-spacing: 0.12em;
  }

  .hero-lead {
    max-width: none;
  }

  .section-inner {
    padding-top: 24px;
  }

  .table-wrap {
    border-radius: 24px;
  }

  .company-table,
  .company-table tbody,
  .company-table tr,
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
  }

  .company-table th,
  .company-table td {
    padding: 0;
  }

  .company-table tr {
    padding: 18px 20px;
  }

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

  .company-table tr + tr th,
  .company-table tr + tr td {
    border-top: 0;
  }

  .company-table th {
    margin-bottom: 8px;
  }
}