:root {
  color-scheme: dark;
  --bg: #08090b;
  --bg-soft: #111318;
  --ink: #f6f6f2;
  --muted: #b8bec8;
  --line: rgba(255, 255, 255, 0.14);
  --red: #e90022;
  --cyan: #30d9ff;
  --gold: #d8aa4a;
  --paper: #f5f2ea;
  --black: #050506;
  --radius: 8px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Yu Gothic", "Meiryo", sans-serif;
}

body::selection {
  background: var(--red);
  color: var(--ink);
}

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

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

.site-header {
  align-items: center;
  background: rgba(5, 5, 6, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  gap: 28px;
  height: var(--header-height);
  justify-content: space-between;
  left: 0;
  padding: 0 42px;
  position: fixed;
  right: 0;
  top: 0;
  transition: background-color 180ms ease, border-color 180ms ease;
  z-index: 20;
}

.site-header.is-scrolled {
  background: rgba(5, 5, 6, 0.94);
  border-color: rgba(255, 255, 255, 0.2);
}

.brand {
  align-items: baseline;
  display: inline-flex;
  flex: 0 0 auto;
  font-weight: 900;
  gap: 3px;
  line-height: 1;
}

.brand-mark {
  color: var(--ink);
  font-size: 28px;
}

.brand-unit {
  color: var(--red);
  font-size: 18px;
}

.site-nav {
  align-items: center;
  display: flex;
  gap: 26px;
  justify-content: center;
}

.site-nav a,
.nav-action {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover,
.nav-action:hover {
  color: var(--ink);
}

.nav-action {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 16px;
}

.hero {
  min-height: 720px;
  overflow: hidden;
  position: relative;
}

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

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

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 5, 6, 0.9) 0%, rgba(5, 5, 6, 0.55) 42%, rgba(5, 5, 6, 0.18) 100%),
    linear-gradient(0deg, rgba(5, 5, 6, 0.92) 0%, rgba(5, 5, 6, 0) 42%);
  z-index: 1;
}

.hero-content {
  max-width: 650px;
  padding: 178px 42px 240px;
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-kicker {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 88px;
  line-height: 0.95;
  margin: 18px 0 26px;
}

.hero-copy {
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.8;
  margin: 0;
  max-width: 610px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 14px;
  font-weight: 900;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

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

.button.primary {
  background: var(--red);
  color: var(--ink);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  color: var(--ink);
}

.hero-strip {
  background: rgba(5, 5, 6, 0.82);
  border-top: 1px solid var(--line);
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  left: 0;
  position: absolute;
  right: 0;
  z-index: 2;
}

.hero-strip div {
  border-right: 1px solid var(--line);
  min-height: 132px;
  padding: 24px 42px;
}

.hero-strip div:last-child {
  border-right: 0;
}

.hero-strip span {
  color: var(--gold);
  display: block;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 12px;
}

.hero-strip strong {
  display: block;
  font-size: 20px;
  margin-bottom: 8px;
}

.hero-strip small {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.section {
  padding: 104px 42px;
}

.section.dark {
  background: #0d1014;
}

.split,
.section-heading,
.video-system,
.product-grid,
.official-grid,
.timeline,
.contact-panel {
  margin: 0 auto;
  max-width: 1180px;
}

.split {
  display: grid;
  gap: 48px;
  grid-template-columns: 0.9fr 1.1fr;
}

h2 {
  font-size: 52px;
  line-height: 1.12;
  margin: 12px 0 0;
  overflow-wrap: anywhere;
  word-break: keep-all;
}

.lead-stack {
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
  font-weight: 600;
  line-height: 2;
}

.lead-stack p {
  margin: 0 0 22px;
}

.section-heading {
  margin-bottom: 44px;
}

.section-heading p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
  margin: 18px 0 0;
  max-width: 760px;
}

.video-system {
  align-items: center;
  display: grid;
  gap: 52px;
  grid-template-columns: 390px 1fr;
}

.video-preview {
  align-items: center;
  display: flex;
  justify-content: center;
}

.phone-frame {
  aspect-ratio: 9 / 16;
  background: #020304;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 30px;
  max-width: 305px;
  padding: 14px;
  width: 100%;
}

.phone-screen {
  align-content: end;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.88)),
    repeating-linear-gradient(90deg, rgba(233, 0, 34, 0.12) 0 2px, transparent 2px 44px),
    #111318;
  border-radius: 20px;
  display: grid;
  height: 100%;
  overflow: hidden;
  padding: 26px;
  position: relative;
}

.phone-screen::before {
  background: var(--red);
  content: "";
  height: 4px;
  left: 26px;
  position: absolute;
  right: 26px;
  top: 28px;
}

.ticker {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 18px;
}

.phone-screen strong {
  font-size: 26px;
}

.phone-screen p {
  color: var(--muted);
  font-weight: 800;
  margin: 10px 0 2px;
}

.big-number {
  color: var(--ink);
  font-size: 74px;
  font-weight: 950;
  line-height: 1;
  margin: 4px 0 14px;
}

.phone-screen small {
  color: rgba(255, 255, 255, 0.74);
  font-size: 12px;
  line-height: 1.7;
}

.format-list,
.product-grid,
.official-grid {
  display: grid;
  gap: 18px;
}

.format-list {
  grid-template-columns: 1fr;
}

.format-list article,
.product-card,
.official-card {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}

.format-list span,
.official-card span {
  color: var(--gold);
  display: inline-block;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 18px;
}

h3 {
  font-size: 22px;
  margin: 0 0 12px;
}

.format-list p,
.product-card p,
.official-card p,
.timeline p,
.contact p,
.site-footer p {
  color: var(--muted);
  line-height: 1.8;
  margin: 0;
}

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

.text-link {
  color: var(--cyan);
  display: inline-flex;
  font-size: 14px;
  font-weight: 900;
  margin-top: 18px;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.product-visual {
  align-items: center;
  background: #0d0f13;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  color: var(--ink);
  display: flex;
  font-size: 40px;
  font-weight: 950;
  height: 220px;
  justify-content: center;
  margin-bottom: 24px;
  overflow: hidden;
  position: relative;
}

.product-visual::after {
  background: var(--red);
  bottom: 24px;
  content: "";
  height: 6px;
  position: absolute;
  width: 76px;
}

.product-visual.cap {
  background: #15120a;
  color: var(--gold);
}

.product-visual.tag {
  background: #071419;
  color: var(--cyan);
}

.official {
  background: var(--paper);
  color: var(--black);
}

.official .section-kicker {
  color: var(--red);
}

.official .section-heading p,
.official .official-card p {
  color: #4b4e55;
}

.official .official-card {
  background: #fff;
  border-color: rgba(5, 5, 6, 0.12);
}

.dark-link {
  color: var(--red);
}

.roadmap {
  background: #08090b;
}

.timeline {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0;
  grid-template-columns: repeat(3, 1fr);
  list-style: none;
  padding: 0;
}

.timeline li {
  border-right: 1px solid var(--line);
  padding: 30px 26px 0 0;
}

.timeline li + li {
  padding-left: 26px;
}

.timeline li:last-child {
  border-right: 0;
}

.timeline span {
  color: var(--cyan);
  display: block;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 16px;
}

.timeline strong {
  display: block;
  font-size: 22px;
  margin-bottom: 12px;
}

.contact {
  background: #101216;
}

.contact-panel {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 36px;
  grid-template-columns: 1fr 360px;
  padding: 42px;
}

.contact-actions {
  display: grid;
  gap: 14px;
}

.nowrap {
  white-space: nowrap;
}

.copy-status {
  min-height: 25px;
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding: 28px 42px;
}

.site-footer span {
  font-size: 18px;
  font-weight: 950;
}

@media (max-width: 900px) {
  .site-header {
    gap: 14px;
    height: auto;
    min-height: 70px;
    padding: 16px 20px;
  }

  .site-nav {
    display: none;
  }

  .brand-mark {
    font-size: 24px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-content {
    padding: 132px 20px 300px;
  }

  .hero h1 {
    font-size: 58px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-strip {
    grid-template-columns: 1fr;
  }

  .hero-strip div {
    border-bottom: 1px solid var(--line);
    border-right: 0;
    min-height: 98px;
    padding: 18px 20px;
  }

  .hero-strip div:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 72px 20px;
  }

  .split,
  .video-system,
  .product-grid,
  .official-grid,
  .timeline,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  h2 {
    font-size: 36px;
  }

  .lead-stack,
  .section-heading p {
    font-size: 16px;
  }

  .video-system {
    gap: 34px;
  }

  .phone-frame {
    max-width: 260px;
  }

  .product-visual {
    height: 180px;
  }

  .timeline {
    border-top: 0;
  }

  .timeline li,
  .timeline li + li {
    border-right: 0;
    border-top: 1px solid var(--line);
    padding: 24px 0;
  }

  .contact-panel {
    padding: 26px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 24px 20px;
  }
}

@media (max-width: 520px) {
  .nav-action {
    display: none;
  }

  .hero {
    min-height: 880px;
  }

  .hero h1 {
    font-size: 48px;
  }

  h2 {
    font-size: 32px;
  }

  .button {
    width: 100%;
  }
}