@charset "utf-8";

:root {
  --bg: #070a12;
  --bg-2: #0b1020;
  --text: #f3f7ff;
  --muted: #a8b3c7;
  --line: rgba(255,255,255,.12);
  --panel: rgba(255,255,255,.07);
  --panel-strong: rgba(255,255,255,.11);
  --accent: #72f5ff;
  --accent-2: #8d7bff;
  --accent-3: #26ffc5;
  --shadow: 0 30px 90px rgba(0,0,0,.45);
  --radius: 28px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  letter-spacing: .02em;
  overflow-x: hidden;
}

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

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 15%, rgba(114,245,255,.17), transparent 26%),
    radial-gradient(circle at 82% 12%, rgba(141,123,255,.18), transparent 30%),
    linear-gradient(135deg, #070a12 0%, #081224 55%, #070a12 100%);
}

.grid-glow {
  position: absolute;
  inset: 0;
  opacity: .34;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 85%);
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(26px);
  opacity: .55;
}

.orb-a {
  width: 280px;
  height: 280px;
  left: -80px;
  top: 300px;
  background: rgba(38,255,197,.22);
}

.orb-b {
  width: 360px;
  height: 360px;
  right: -160px;
  bottom: 80px;
  background: rgba(141,123,255,.28);
}

.header {
  width: min(var(--max), calc(100% - 40px));
  margin: 22px auto 0;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7,10,18,.62);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 14px;
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  font-weight: 800;
  font-size: 13px;
  background:
    linear-gradient(135deg, rgba(114,245,255,.95), rgba(141,123,255,.88));
  color: #06101c;
  box-shadow: 0 0 30px rgba(114,245,255,.22);
}

.brand-text {
  display: grid;
  line-height: 1.1;
}

.brand-name {
  font-weight: 800;
  letter-spacing: .04em;
}

.brand-sub {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .18em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  padding: 9px 12px;
  border-radius: 999px;
  transition: .2s ease;
}

.nav a:hover {
  color: var(--text);
  background: rgba(255,255,255,.08);
}

.nav-cta {
  color: var(--text) !important;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.13);
}

.hero {
  width: min(var(--max), calc(100% - 40px));
  margin: 92px auto 56px;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  align-items: center;
  gap: 44px;
}

.eyebrow,
.section-label {
  color: var(--accent);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.hero h1,
.section h2 {
  margin: 10px 0 18px;
  letter-spacing: -.06em;
  line-height: 1.03;
}

.hero h1 {
  font-size: clamp(52px, 8vw, 96px);
}

.lead {
  color: var(--muted);
  font-size: 18px;
  max-width: 650px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

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

.button.primary {
  color: #031019;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  box-shadow: 0 16px 50px rgba(38,255,197,.2);
}

.button.ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255,255,255,.05);
}

.button.large {
  min-height: 58px;
  padding-inline: 28px;
}

.hero-panel {
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255,255,255,.11), rgba(255,255,255,.045)),
    radial-gradient(circle at 50% 25%, rgba(114,245,255,.16), transparent 35%);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.panel-top {
  display: flex;
  gap: 8px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.28);
}

.node-map {
  position: relative;
  height: 380px;
  margin: 20px;
}

.lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.lines path {
  fill: none;
  stroke: rgba(114,245,255,.28);
  stroke-width: 2;
  stroke-dasharray: 8 8;
}

.node {
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(7,10,18,.66);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 50px rgba(0,0,0,.32);
  font-weight: 900;
}

.node-main {
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 142px;
  height: 142px;
  border-radius: 44px;
  font-size: 34px;
  color: #06101c;
  background: linear-gradient(135deg, rgba(114,245,255,.95), rgba(141,123,255,.92));
}

.node-1 { left: 4%; top: 17%; width: 120px; height: 64px; border-radius: 22px; }
.node-2 { right: 3%; top: 12%; width: 112px; height: 64px; border-radius: 22px; }
.node-3 { left: 5%; bottom: 12%; width: 120px; height: 64px; border-radius: 22px; }
.node-4 { right: 4%; bottom: 10%; width: 128px; height: 64px; border-radius: 22px; }

.panel-caption {
  color: var(--muted);
  padding: 0 26px 26px;
  margin: 0;
  font-size: 14px;
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 86px 0;
}

.section h2 {
  font-size: clamp(34px, 5vw, 62px);
}

.intro {
  max-width: 930px;
}

.intro p,
.section > p {
  color: var(--muted);
  font-size: 17px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.card {
  min-height: 270px;
  padding: 26px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.card:hover {
  transform: translateY(-6px);
  background: var(--panel-strong);
  border-color: rgba(114,245,255,.35);
}

.card-number {
  color: var(--accent);
  font-weight: 900;
  letter-spacing: .14em;
  font-size: 12px;
}

.card h3,
.feature h3 {
  margin: 14px 0 10px;
  font-size: 21px;
}

.card p,
.feature p,
.company-table dd,
.note,
.contact p,
.footer {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 46px;
  align-items: start;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255,255,255,.06);
}

.feature h3 {
  margin-top: 0;
}

.company {
  padding-top: 60px;
}

.company-table {
  margin: 32px 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255,255,255,.05);
}

.company-table div {
  display: grid;
  grid-template-columns: 190px 1fr;
  border-bottom: 1px solid var(--line);
}

.company-table div:last-child {
  border-bottom: 0;
}

.company-table dt,
.company-table dd {
  margin: 0;
  padding: 18px 22px;
}

.company-table dt {
  color: var(--text);
  font-weight: 800;
  background: rgba(255,255,255,.04);
}

.note {
  font-size: 13px;
}

.contact-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 34px;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid rgba(114,245,255,.25);
  background:
    radial-gradient(circle at 10% 20%, rgba(114,245,255,.17), transparent 30%),
    rgba(255,255,255,.07);
  box-shadow: var(--shadow);
}

.contact h2 {
  margin-bottom: 10px;
}

.footer {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 30px 0 46px;
  font-size: 13px;
  border-top: 1px solid var(--line);
}

@media (max-width: 920px) {
  .header {
    border-radius: 24px;
    align-items: flex-start;
  }

  .nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    margin-top: 64px;
  }

  .hero-panel {
    min-height: 460px;
  }

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

  .split,
  .contact-box {
    grid-template-columns: 1fr;
    display: grid;
  }
}

@media (max-width: 620px) {
  .header,
  .hero,
  .section,
  .footer {
    width: min(100% - 28px, var(--max));
  }

  .hero h1 {
    font-size: 46px;
  }

  .lead {
    font-size: 16px;
  }

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

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

  .company-table dt {
    padding-bottom: 4px;
  }

  .company-table dd {
    padding-top: 4px;
  }

  .contact-box {
    padding: 28px;
  }

  .button.large {
    width: 100%;
  }

  .node-1, .node-2, .node-3, .node-4 {
    transform: scale(.85);
  }
}