:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-soft: #0b1829;
  --panel: rgba(16, 32, 52, 0.82);
  --panel-solid: #102034;
  --line: rgba(148, 184, 222, 0.18);
  --text: #f6f9ff;
  --muted: #a9bad0;
  --blue: #46b8ff;
  --cyan: #67e8f9;
  --green: #52e0a4;
  --orange: #ffad5c;
  --violet: #bd8cff;
  --max: 1180px;
  --radius: 24px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 82% 8%, rgba(70, 184, 255, 0.15), transparent 30rem),
    radial-gradient(circle at 10% 40%, rgba(189, 140, 255, 0.09), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", "Noto Sans", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.82);
  backdrop-filter: blur(20px);
}
.nav {
  width: min(calc(100% - 40px), var(--max));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.025em;
  text-decoration: none;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(103, 232, 249, 0.45);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(70, 184, 255, 0.28), rgba(82, 224, 164, 0.1));
  color: var(--cyan);
  box-shadow: 0 0 30px rgba(70, 184, 255, 0.16);
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 12px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 650;
  text-decoration: none;
}
.nav-links a:hover, .nav-links a:focus-visible { background: rgba(255, 255, 255, 0.06); color: var(--text); }
.nav-links .language { border: 1px solid var(--line); color: var(--text); }
.menu-button { display: none; }

main { overflow: hidden; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.hero {
  min-height: calc(100vh - 72px);
  padding: 76px 0 72px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(520px, 1.28fr);
  align-items: center;
  gap: 56px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3.1rem, 6.5vw, 6.2rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
}
h1 .gradient {
  display: block;
  background: linear-gradient(105deg, var(--blue), var(--cyan) 45%, var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-title-ja {
  font-size: clamp(3rem, 4.8vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.055em;
}
.hero-title-line { display: block; white-space: nowrap; }
.lede { max-width: 680px; margin-bottom: 32px; color: #c3d1e2; font-size: clamp(1.05rem, 1.8vw, 1.25rem); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { background: linear-gradient(120deg, #1898ed, #20c9a3); color: #03121d; box-shadow: 0 12px 38px rgba(32, 201, 163, 0.2); }
.button.secondary { border-color: var(--line); background: rgba(255, 255, 255, 0.045); color: var(--text); }
.hero-note { margin: 18px 0 0; color: #8297b0; font-size: 0.86rem; }
.hero-visual { position: relative; }
.hero-visual::before {
  content: "";
  position: absolute;
  inset: -12%;
  z-index: -1;
  background: radial-gradient(circle, rgba(70, 184, 255, 0.22), transparent 64%);
  filter: blur(22px);
}
.hero-frame {
  overflow: hidden;
  border: 1px solid rgba(127, 205, 255, 0.28);
  border-radius: 28px;
  background: #0d1b2a;
  box-shadow: var(--shadow);
}
.hero-frame img { width: 100%; aspect-ratio: 2.1 / 1; object-fit: cover; }
.status-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}
.status-strip div { padding: 14px 18px; border-right: 1px solid var(--line); }
.status-strip div:last-child { border-right: 0; }
.status-strip strong { display: block; color: var(--text); font-size: 0.86rem; }
.status-strip span { color: var(--muted); font-size: 0.75rem; }

.section { padding: 104px 0; }
.section.compact { padding: 68px 0; }
.section-heading { max-width: 720px; margin-bottom: 46px; }
h2 { margin-bottom: 16px; font-size: clamp(2.2rem, 4.2vw, 3.7rem); line-height: 1.06; letter-spacing: -0.045em; }
.section-heading p:not(.eyebrow), .section-copy { color: var(--muted); font-size: 1.05rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card {
  min-height: 250px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(18, 38, 61, 0.9), rgba(11, 24, 41, 0.76));
}
.feature-card .number { color: var(--blue); font-size: 0.8rem; font-weight: 900; letter-spacing: 0.12em; }
.feature-card h3 { margin: 42px 0 12px; font-size: 1.35rem; line-height: 1.2; }
.feature-card p { margin: 0; color: var(--muted); font-size: 0.94rem; }
.feature-card:nth-child(2) .number, .feature-card:nth-child(5) .number { color: var(--green); }
.feature-card:nth-child(3) .number, .feature-card:nth-child(6) .number { color: var(--violet); }

.showcase-section { padding-top: 28px; }
.showcase-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.showcase-card {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-solid);
  box-shadow: var(--shadow);
}
.showcase-card img { width: 100%; aspect-ratio: 1.875 / 1; object-fit: cover; }
.showcase-card figcaption { display: grid; gap: 5px; padding: 20px 22px 22px; }
.showcase-card strong { font-size: 1.08rem; }
.showcase-card span { color: var(--muted); font-size: 0.9rem; }

.trailer-section { padding-top: 32px; }
.trailer-section .section-heading { margin-bottom: 30px; }
.video-frame { overflow: hidden; max-width: 1040px; aspect-ratio: 16 / 9; border: 1px solid rgba(127,205,255,.28); border-radius: 28px; background: #020812; box-shadow: var(--shadow); }
.video-frame iframe { width: 100%; height: 100%; display: block; border: 0; }
.trailer-link { margin: 16px 0 0; }
.trailer-link a { color: var(--cyan); font-size: .9rem; font-weight: 800; text-decoration: none; }
.trailer-link a:hover { text-decoration: underline; }

.split { display: grid; grid-template-columns: 1.08fr 0.92fr; align-items: center; gap: 70px; }
.media-card { overflow: hidden; border: 1px solid var(--line); border-radius: 28px; background: var(--panel-solid); box-shadow: var(--shadow); }
.media-card img { width: 100%; }
.live2d-preview { position: relative; aspect-ratio: 1.12 / 1; }
.live2d-poster { width: 100%; height: 100%; object-fit: cover; transition: opacity 280ms ease; }
.live2d-stage { position: absolute; inset: 0; opacity: 0; transition: opacity 280ms ease; }
.live2d-stage canvas { width: 100%; height: 100%; }
.live2d-preview.is-live .live2d-poster { opacity: 0; }
.live2d-preview.is-live .live2d-stage { opacity: 1; }
.live2d-hint { position: absolute; right: 16px; bottom: 14px; padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; background: rgba(7,17,31,.72); color: #d8e5f3; font-size: .76rem; font-weight: 700; backdrop-filter: blur(12px); opacity: 0; transition: opacity 180ms ease; pointer-events: none; }
.live2d-preview.is-live .live2d-hint { opacity: 1; }
.live2d-preview.is-playing .live2d-hint { border-color: rgba(82,224,164,.48); color: var(--green); }
.check-list { display: grid; gap: 14px; margin: 28px 0 0; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 12px; color: #c8d5e5; }
.check-list li::before { content: "✓"; width: 23px; height: 23px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; background: rgba(82, 224, 164, 0.12); color: var(--green); font-weight: 900; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 28px; border-top: 1px solid var(--line); counter-increment: step; }
.step::before { content: "0" counter(step); display: block; margin-bottom: 28px; color: var(--orange); font-size: 1.2rem; font-weight: 900; letter-spacing: 0.08em; }
.step h3 { margin-bottom: 10px; }
.step p { color: var(--muted); }

.cta {
  padding: 50px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  border: 1px solid rgba(103, 232, 249, 0.24);
  border-radius: 30px;
  background: linear-gradient(125deg, rgba(35, 137, 207, 0.2), rgba(37, 190, 144, 0.12));
}
.cta h2 { max-width: 740px; margin-bottom: 10px; }
.cta p { margin: 0; color: var(--muted); }

.site-footer { padding: 56px 0; border-top: 1px solid var(--line); color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--text); }

/* Press pages */
.press-hero { padding: 90px 0 54px; border-bottom: 1px solid var(--line); }
.press-hero h1 { max-width: 900px; font-size: clamp(3rem, 6vw, 5.5rem); }
.press-layout { padding: 70px 0 110px; display: grid; grid-template-columns: 240px minmax(0, 760px); gap: 72px; align-items: start; }
.press-nav { position: sticky; top: 100px; display: grid; gap: 4px; }
.press-nav a { padding: 8px 10px; border-radius: 9px; color: var(--muted); font-size: 0.9rem; text-decoration: none; }
.press-nav a:hover { color: var(--text); background: rgba(255,255,255,.05); }
.press-content section { padding: 0 0 50px; scroll-margin-top: 100px; }
.press-content h2 { margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--line); font-size: 2rem; }
.press-content h3 { margin: 28px 0 12px; }
.press-content p, .press-content li { color: #c0ccdc; }
.press-content ul { padding-left: 22px; }
.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td { padding: 13px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.info-table th { width: 32%; color: var(--muted); font-size: .85rem; }
.notice { padding: 18px 20px; border-left: 3px solid var(--orange); background: rgba(255, 173, 92, 0.08); color: #d8e1ec; }
.asset-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.asset-card { padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.025); }
.asset-card strong { display: block; margin-bottom: 4px; }
.asset-card span { color: var(--muted); font-size: .88rem; }
.press-asset-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 24px; }
.press-asset-card { overflow: hidden; margin: 0; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.025); }
.press-asset-card > a { display: block; overflow: hidden; background: var(--panel-solid); }
.press-asset-card img { width: 100%; aspect-ratio: 1.875 / 1; object-fit: cover; transition: transform 180ms ease; }
.press-asset-card > a:hover img { transform: scale(1.015); }
.press-asset-card figcaption { display: grid; gap: 5px; padding: 18px; }
.press-asset-card figcaption span { color: var(--muted); font-size: .9rem; }
.press-asset-card figcaption small { color: #8297b0; }
.asset-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 9px; }
.asset-actions a { color: var(--cyan); font-size: .86rem; font-weight: 800; text-decoration: none; }
.asset-actions a:hover { text-decoration: underline; }

:focus-visible { outline: 3px solid rgba(103, 232, 249, 0.7); outline-offset: 3px; }

@media (max-width: 960px) {
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 58px; }
  .hero-visual { max-width: 760px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 42px; }
  .cta { grid-template-columns: 1fr; }
  .press-layout { grid-template-columns: 1fr; }
  .press-nav { position: static; grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  .nav { min-height: 64px; }
  .brand span:last-child { font-size: 0.9rem; }
  .menu-button { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 11px; background: transparent; color: var(--text); font-size: 1.15rem; }
  .nav-links { display: none; position: absolute; top: 64px; left: 20px; right: 20px; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: #0c192a; box-shadow: var(--shadow); }
  .nav-links.open { display: grid; }
  .nav-links a { padding: 12px; }
  .hero { gap: 40px; }
  h1 { font-size: clamp(2.8rem, 14vw, 4.5rem); }
  .hero-title-ja { font-size: clamp(2.65rem, 12vw, 4rem); }
  .status-strip { grid-template-columns: 1fr; }
  .status-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
  .status-strip div:last-child { border-bottom: 0; }
  .section { padding: 78px 0; }
  .feature-grid, .showcase-grid, .steps, .asset-grid, .press-asset-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 220px; }
  .live2d-stage, .live2d-hint { display: none; }
  .cta { padding: 30px; }
  .footer-grid { flex-direction: column; }
  .press-nav { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}