@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&display=swap');

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

:root {
  --bg: #101019;
  --bg-soft: #151522;
  --surface: #1a1a2a;
  --surface-2: #202032;
  --text: #f2f0ea;
  --text-soft: #dedad2;
  --muted: #a49fb3;
  --accent: #d29a3d;
  --accent-soft: #e6b85d;
  --line: rgba(255,255,255,0.075);
  --line-accent: rgba(210,154,61,0.28);
  --container: 1120px;
  --nav-height: 68px;
  --radius: 12px;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
  background: var(--bg);
  font-size: 16px;
  overflow-x: hidden;
  overflow-x: clip;
}

body {
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 0%, rgba(210,154,61,0.08), transparent 34rem),
    linear-gradient(180deg, #0f0f18 0%, #11111b 42%, #0f0f18 100%);
  font-family: 'Zen Kaku Gothic New', system-ui, sans-serif;
  line-height: 1.8;
  overflow-x: hidden;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

html[lang="en"] body {
  font-family: 'Space Grotesk', 'Outfit', system-ui, sans-serif;
  line-height: 1.65;
}

html[lang="en"] .brand-text strong,
html[lang="en"] .brand-text small,
html[lang="en"] .eyebrow,
html[lang="en"] .section-kicker,
html[lang="en"] .hero h1,
html[lang="en"] .brand-line,
html[lang="en"] h2,
html[lang="en"] h3,
html[lang="en"] .button,
html[lang="en"] .nav-links a {
  font-family: 'Space Grotesk', 'Outfit', system-ui, sans-serif;
}

a { color: inherit; text-decoration: none; }
button, select { font: inherit; color: inherit; }
img { max-width: 100%; height: auto; }

a,
button {
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease, opacity 160ms ease;
}

a:focus-visible,
button:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: 4px;
}

a:active,
button:active { transform: translateY(1px); }

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: #101019;
  background: var(--accent-soft);
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--nav-height);
  background: rgba(16,16,25,0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.nav-shell,
.hero,
.page-hero,
.documents-hero,
.download-hero-redesign,
.quick-grid,
.story-section,
.productivity-section,
.feature-grid,
.screenshots-section,
.documents-layout,
.download-layout,
.requirements-panel,
.support-panel,
.llmo-section,
.faq-section,
.footer {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.nav-shell {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark,
.mini-logo {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  color: #11111b;
  background: var(--accent);
  border-radius: 7px;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  line-height: 1;
}

img.brand-mark {
  background: none;
  border-radius: 0;
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.brand-text {
  display: grid;
  gap: 1px;
  line-height: 1;
}

.brand-text strong {
  font-family: 'Outfit', 'Zen Kaku Gothic New', sans-serif;
  font-size: 1.16rem;
  font-weight: 800;
}

.brand-text small {
  color: var(--accent-soft);
  font-family: 'Outfit', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-soft);
  font-size: 0.9rem;
  font-weight: 700;
}

.nav-links a:hover,
.nav-links a.active { color: var(--text); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.language-select {
  min-height: 40px;
  padding: 8px 34px 8px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--text);
  background: rgba(255,255,255,0.035);
}

.nav-download {
  min-height: 40px;
  padding: 9px 18px;
  color: #11111b;
  background: var(--accent);
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 900;
}

.nav-download:hover,
.button.primary:hover {
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.nav-hamburger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text);
}

.hero {
  min-height: calc(100dvh - var(--nav-height));
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: center;
  overflow: hidden;
  padding: 84px 0 78px;
}

.hero-copy,
.page-copy {
  min-width: 0;
}

.hero-copy {
  max-width: 640px;
  position: relative;
  z-index: 1;
}

.home-hero::before {
  content: '';
  position: absolute;
  z-index: -2;
  top: 0;
  bottom: 0;
  /* ズーム・スクロールバー・DPI差で端が露出しないよう60px余分に張り出す(body側でクリップ) */
  left: calc((100vw - 100%) / -2 - 60px);
  right: calc((100vw - 100%) / -2 - 60px);
  background:
    linear-gradient(90deg, rgba(15,15,24,1) 0%, rgba(15,15,24,0.93) 22%, rgba(15,15,24,0.8) 38%, rgba(15,15,24,0.28) 64%, rgba(15,15,24,0.06) 100%),
    url('../images/omnicomposer-hero-bg-v2.seo.webp?v=1') center / cover no-repeat,
    #0f0f18;
}

.home-hero::after {
  content: '';
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  /* ::beforeと同じ全幅化。コンテナ境界でグローが切れて縦の段差が出るのを防ぐ */
  left: calc((100vw - 100%) / -2 - 60px);
  right: calc((100vw - 100%) / -2 - 60px);
  background:
    radial-gradient(circle at 22% 56%, rgba(210,154,61,0.13), transparent 25rem),
    linear-gradient(180deg, rgba(16,16,25,0) 68%, #101019 100%);
  pointer-events: none;
}

.eyebrow,
.section-kicker {
  color: var(--accent-soft);
  font-family: 'Outfit', sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow { margin-bottom: 22px; }

h1, h2, h3 {
  color: var(--text);
  line-height: 1.16;
  letter-spacing: 0;
}

.hero h1 {
  font-size: clamp(3rem, 5.3vw, 5.2rem);
  font-weight: 900;
  line-height: 1.08;
  text-wrap: balance;
}

.brand-line {
  color: var(--accent-soft);
  display: inline-block;
}

.mobile-break {
  display: none;
}

html[lang="en"] .hero h1 {
  max-width: 10.8ch;
  font-weight: 700;
  line-height: 1.02;
}

.lead,
.section-lead {
  max-width: 58ch;
  color: var(--text-soft);
  font-size: 1.04rem;
  line-height: 2;
  text-wrap: pretty;
}

.hero .lead { margin-top: 22px; }

html[lang="en"] .hero .lead {
  max-width: 43ch;
  font-weight: 500;
}

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

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-weight: 900;
  cursor: pointer;
  white-space: nowrap;
}

.button.primary {
  color: #11111b;
  background: var(--accent);
  border-color: transparent;
}

.button.secondary:hover,
.text-link:hover {
  border-color: var(--line-accent);
  background: var(--surface-2);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.hero-meta a { color: var(--accent-soft); }

.daw-frame,
.mini-daw-card,
.installer-preview,
.feature-card,
.download-card,
.requirements-panel,
.support-panel,
.message-card,
.screenshots-section,
.llmo-section,
.faq-section,
.doc-toc,
.doc-section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(26,26,42,0.72);
}

.hero-daw {
  position: relative;
  width: min(820px, 112%);
  aspect-ratio: 1230 / 878;
  justify-self: end;
  overflow: hidden;
  background: transparent;
  border: 0;
}

.hero-daw::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/omnicomposer-hero-bg-v2.seo.webp?v=1') center / contain no-repeat;
}

.home-hero .hero-daw {
  display: none;
}

/* FullHD以上: コンテナ余白で左が空くため、ヒーローだけ幅を広げて文字を左に寄せる */
@media (min-width: 1700px) {
  .home-hero,
  .nav-shell {
    width: min(1480px, calc(100% - 40px));
  }
  .home-hero::before {
    background:
      linear-gradient(90deg, rgba(15,15,24,1) 0%, rgba(15,15,24,0.95) 18%, rgba(15,15,24,0.84) 34%, rgba(15,15,24,0.3) 60%, rgba(15,15,24,0.05) 100%),
      url('../images/omnicomposer-hero-bg-v2.seo.webp?v=1') right center / cover no-repeat,
      #0f0f18;
  }
}

/* full-bleed背景(::before)がセクションのoverflow:hiddenで切れて左右に黒帯が出るのを防ぐ */
.home-hero {
  overflow: visible;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.quick-card {
  min-height: 120px;
  padding: 22px;
  display: grid;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(26,26,42,0.48);
}

.quick-card:hover {
  border-color: var(--line-accent);
  transform: translateY(-1px);
}

.quick-card span {
  color: var(--accent-soft);
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
}

.quick-card strong { font-size: 1.02rem; }
.quick-card small { color: var(--text-soft); }

.demo-section,
.legacy-highlights,
.legacy-feature-section,
.cta-section {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.demo-section,
.legacy-highlights,
.legacy-feature-section,
.cta-section {
  margin-top: 86px;
}

.demo-panel {
  margin-top: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(26,26,42,0.46);
}

.demo-panel img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.legacy-highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.legacy-card {
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(26,26,42,0.56);
}

.legacy-card h3 {
  margin: 18px 0 10px;
  font-size: 1.2rem;
}

.legacy-card p {
  color: var(--text-soft);
  font-size: 0.94rem;
  line-height: 1.9;
}

.icon-tile,
.feature-label {
  display: inline-grid;
  place-items: center;
  width: max-content;
  min-height: 32px;
  padding: 0 10px;
  color: var(--accent-soft);
  border: 1px solid var(--line-accent);
  border-radius: 8px;
  font-family: 'Outfit', 'Zen Kaku Gothic New', sans-serif;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.legacy-feature-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.68fr);
  gap: 48px;
  align-items: center;
}

.legacy-feature-layout.reverse {
  grid-template-columns: minmax(300px, 0.68fr) minmax(0, 1fr);
}

.legacy-feature-layout.reverse .legacy-feature-content {
  order: 2;
}

.legacy-feature-layout.reverse .legacy-feature-visual {
  order: 1;
}

.legacy-feature-content h2 {
  margin-top: 14px;
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 900;
  text-wrap: balance;
}

.legacy-feature-content p {
  max-width: 66ch;
  margin-top: 18px;
  color: var(--text-soft);
  line-height: 2;
}

.feature-list {
  display: grid;
  gap: 10px;
  margin-top: 22px;
  padding-left: 1.1rem;
  color: var(--text-soft);
  line-height: 1.9;
}

.feature-list li::marker {
  color: var(--accent-soft);
}

.legacy-feature-visual {
  min-height: 290px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px),
    rgba(12,12,20,0.82);
  background-size: 100% 36px, 52px 100%;
}

.legacy-feature-visual::before {
  content: '';
  position: absolute;
  inset: 26px;
  background:
    linear-gradient(90deg, transparent 4%, #3f78bc 4% 22%, transparent 22% 30%, #7c54b7 30% 52%, transparent 52% 60%, #4c9a88 60% 82%, transparent 82%) 0 20px / 100% 12px no-repeat,
    linear-gradient(90deg, transparent 8%, #99a743 8% 30%, transparent 30% 42%, #b85e59 42% 64%, transparent 64% 76%, #3f78bc 76% 94%, transparent 94%) 0 88px / 100% 12px no-repeat,
    linear-gradient(90deg, transparent 0%, #4c9a88 0% 18%, transparent 18% 32%, #7c54b7 32% 48%, transparent 48% 58%, #99a743 58% 78%, transparent 78%) 0 156px / 100% 12px no-repeat;
  opacity: 0.84;
}

.legacy-feature-visual span {
  position: relative;
  z-index: 1;
  color: var(--accent-soft);
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  letter-spacing: 0.08em;
}

.cta-section {
  padding: 52px;
  border: 1px solid var(--line-accent);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 18% 20%, rgba(210,154,61,0.16), transparent 28rem),
    rgba(26,26,42,0.56);
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
}

.cta-section p {
  max-width: 62ch;
  margin-top: 14px;
  color: var(--text-soft);
}

.story-section,
.productivity-section,
.feature-grid,
.screenshots-section,
.download-layout,
.requirements-panel,
.support-panel,
.llmo-section,
.faq-section {
  margin-top: 86px;
}

.story-grid,
.productivity-section,
.page-hero,
.documents-hero,
.download-hero-redesign,
.support-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
  gap: 42px;
  align-items: center;
}

.page-hero,
.documents-hero,
.download-hero-redesign {
  min-height: 360px;
  padding-top: 72px;
}

.story-section h2,
.copy-block h2,
.screenshots-section h2,
.requirements-panel h2,
.support-panel h2,
.llmo-section h2,
.faq-section h2,
.page-copy h1 {
  margin-top: 12px;
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 900;
  text-wrap: balance;
}

.story-section p,
.copy-block p:not(.eyebrow),
.support-panel p,
.llmo-section p,
.faq-section p {
  max-width: 62ch;
  margin-top: 18px;
  color: var(--text-soft);
  line-height: 2;
}

.message-card,
.screenshots-section,
.requirements-panel,
.support-panel,
.llmo-section,
.faq-section {
  padding: 30px;
}

.message-card span {
  color: var(--accent-soft);
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  padding: 11px 15px;
  border: 1px solid var(--line);
  border-radius: 7px;
}

.productivity-section {
  grid-template-columns: minmax(0, 1.04fr) minmax(380px, 0.96fr);
  align-items: start;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(26,26,42,0.36);
}

.copy-cards {
  display: grid;
  gap: 12px;
}

.copy-cards article,
.definition-list article,
.faq-grid article,
.requirements-grid article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.024);
}

/* 見出しと本文がくっつかないように行を分ける */
.definition-list article,
.requirements-grid article {
  display: grid;
  gap: 6px;
  align-content: start;
}

.copy-cards span {
  color: var(--accent-soft);
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
}

.copy-cards h3,
.feature-card h2,
.download-card h2 {
  margin: 8px 0 12px;
  font-size: 1.24rem;
}

.copy-cards p,
.feature-card p,
.download-card p,
.requirements-grid span,
.definition-list span,
.faq-grid p,
.mini-ai p {
  color: var(--text-soft);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  min-height: 260px;
  padding: 26px;
}

.feature-card.large { grid-row: span 2; }
.feature-card.wide { grid-column: span 2; }
.feature-grid .feature-card:last-child:nth-child(odd) { grid-column: 1 / -1; min-height: auto; }

.icon,
.os-pill {
  display: inline-grid;
  place-items: center;
  width: max-content;
  min-height: 32px;
  margin-bottom: 16px;
  padding: 0 10px;
  color: var(--accent-soft);
  border: 1px solid var(--line-accent);
  border-radius: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.76rem;
  font-weight: 800;
}

.card-visual,
.mini-daw-grid {
  position: relative;
  min-height: 130px;
  margin-top: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px),
    rgba(12,12,20,0.8);
  background-size: 100% 34px, 50px 100%;
}

img.card-visual {
  display: block;
  width: 100%;
  height: 190px;
  padding: 0;
  object-fit: cover;
  object-position: left top;
}

.melody-visual::before,
.piano-visual::before,
.mini-daw-grid::before {
  content: '';
  position: absolute;
  inset: 22px 16px;
  background:
    linear-gradient(90deg, transparent 6%, var(--accent) 6% 22%, transparent 22% 34%, var(--accent) 34% 48%, transparent 48% 62%, #6aa07b 62% 82%, transparent 82%) 0 18px / 100% 10px no-repeat,
    linear-gradient(90deg, transparent 12%, #627fa1 12% 36%, transparent 36% 52%, #b86658 52% 66%, transparent 66% 78%, #627fa1 78% 92%, transparent 92%) 0 70px / 100% 10px no-repeat;
}

.mini-daw-card {
  min-height: 290px;
  padding: 18px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 14px;
}

.mini-daw-grid {
  min-height: 246px;
  margin-top: 0;
}

.mini-ai {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(0,0,0,0.08);
}

.documents-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  margin-top: 54px;
}

.doc-toc {
  position: sticky;
  top: calc(var(--nav-height) + 18px);
  padding: 18px;
}

.doc-toc strong {
  display: block;
  margin-bottom: 12px;
}

.doc-toc a {
  display: block;
  padding: 9px 0;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.doc-content {
  display: grid;
  gap: 18px;
}

.doc-section {
  padding: 28px;
}

.doc-section h2 {
  margin-bottom: 12px;
  font-size: clamp(1.5rem, 2.3vw, 2.25rem);
}

.doc-section h3 {
  margin: 22px 0 8px;
  font-size: 1.08rem;
}

.doc-section p,
.doc-section li {
  color: var(--text);
  line-height: 2;
}

.doc-section ul,
.doc-section ol {
  display: grid;
  gap: 8px;
  padding-left: 1.2rem;
}

.doc-callout {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 3px solid var(--accent);
  background: rgba(210,154,61,0.08);
}

.definition-list,
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.visual-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 16px;
  margin: 30px 0;
}

.visual-showcase figure {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.025);
}

.visual-showcase img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.visual-showcase figcaption {
  display: grid;
  gap: 8px;
  padding: 18px;
}

.visual-showcase span { color: var(--text-soft); }

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

.button.big {
  width: 100%;
  min-height: 62px;
  font-size: 1.08rem;
}

.button[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
}

.download-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.download-card {
  min-height: 290px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.download-card.featured { border-color: var(--line-accent); }
.download-card .button {
  width: 100%;
  margin-top: 22px;
}

.installer-preview {
  min-height: 230px;
  padding: 30px;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 12px;
}

.progress {
  width: min(100%, 330px);
  height: 9px;
  margin-top: 10px;
  background: rgba(255,255,255,0.07);
  border-radius: 999px;
  overflow: hidden;
}

.progress span {
  display: block;
  width: 68%;
  height: 100%;
  background: var(--accent);
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.requirements-grid strong,
.requirements-grid span {
  display: block;
}

.requirements-grid strong {
  color: var(--accent-soft);
  margin-bottom: 5px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 60;
  max-width: min(500px, calc(100% - 32px));
  padding: 12px 16px;
  color: var(--text);
  border: 1px solid var(--line-accent);
  border-radius: 9px;
  background: rgba(21,21,34,0.96);
  opacity: 0;
  transform: translate(-50%, 14px);
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.footer {
  margin-top: 86px;
  padding: 30px 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  text-align: right;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
  font-size: 0.72rem;
}

.footer-legal a {
  color: var(--muted);
}

.footer-legal a:hover {
  color: var(--text-soft);
}

.copyright {
  color: var(--muted);
  font-size: 0.78rem;
}

.copyright a {
  color: var(--text-soft);
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

@media (max-width: 1020px) {
  .nav-links,
  .nav-download { display: none; }
  .nav-hamburger { display: inline-flex; }
  .nav-links {
    position: fixed;
    inset: var(--nav-height) 0 auto;
    z-index: 19;
    padding: 18px 22px 24px;
    background: #101019;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 32px rgba(0,0,0,0.45);
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  .hero,
  .page-hero,
  .documents-hero,
  .download-hero-redesign,
  .story-grid,
  .legacy-feature-layout,
  .legacy-feature-layout.reverse,
  .productivity-section,
  .support-panel,
  .documents-layout,
  .definition-list,
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .legacy-feature-layout.reverse .legacy-feature-content,
  .legacy-feature-layout.reverse .legacy-feature-visual {
    order: initial;
  }
  .hero {
    min-height: auto;
  }
  .home-hero {
    min-height: calc(100dvh - var(--nav-height));
    padding: clamp(76px, 10vh, 112px) 0 72px;
  }
  .home-hero::before {
    background:
      linear-gradient(90deg, rgba(15,15,24,1) 0%, rgba(15,15,24,0.9) 42%, rgba(15,15,24,0.38) 74%, rgba(15,15,24,0.16) 100%),
      url('../images/omnicomposer-hero-bg-v2.seo.webp?v=1') right center / auto 100% no-repeat,
      #0f0f18;
  }
  .hero-daw {
    width: min(760px, 100%);
    justify-self: center;
  }
  .quick-grid,
  .legacy-highlight-grid,
  .feature-grid,
  .download-layout,
  .requirements-grid,
  .visual-showcase {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (orientation: portrait) and (min-width: 721px) {
  .home-hero {
    align-items: end;
    min-height: calc(100dvh - var(--nav-height));
    padding: clamp(360px, 48vh, 520px) 0 88px;
  }
  .home-hero::before {
    background:
      linear-gradient(180deg, rgba(15,15,24,0.02) 0%, rgba(15,15,24,0.18) 43%, rgba(15,15,24,0.94) 76%, rgba(15,15,24,1) 100%),
      linear-gradient(90deg, rgba(15,15,24,0.64) 0%, rgba(15,15,24,0.14) 52%, rgba(15,15,24,0.02) 100%),
      url('../images/omnicomposer-hero-bg-v2.seo.webp?v=1') center 92px / 100% auto no-repeat,
      #0f0f18;
  }
  .hero-copy {
    max-width: min(620px, 78vw);
  }
  .hero h1 {
    font-size: clamp(2.9rem, 6.4vw, 4.05rem);
  }
  html[lang="en"] .hero h1 {
    max-width: 11.5ch;
    font-size: clamp(2.9rem, 6.6vw, 4.05rem);
  }
  .lead {
    max-width: min(44ch, 100%);
  }
}

@media (max-width: 720px) {
  .nav-shell,
  .hero,
  .demo-section,
  .legacy-highlights,
  .legacy-feature-section,
  .cta-section,
  .page-hero,
  .documents-hero,
  .download-hero-redesign,
  .quick-grid,
  .story-section,
  .productivity-section,
  .feature-grid,
  .screenshots-section,
  .documents-layout,
  .download-layout,
  .requirements-panel,
  .support-panel,
  .llmo-section,
  .faq-section,
  .footer {
    width: min(var(--container), calc(100% - 32px));
  }
  .nav-shell {
    gap: 10px;
  }
  .nav-actions {
    flex: 0 0 auto;
    gap: 8px;
  }
  .language-select {
    width: 96px;
    max-width: 96px;
    min-height: 42px;
    padding-inline: 10px 24px;
  }
  .nav-hamburger {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
  }
  .brand {
    gap: 8px;
  }
  .brand-text strong {
    font-size: 0.98rem;
  }
  .brand-text small {
    font-size: 0.56rem;
  }
  .hero {
    padding: 58px 0 48px;
  }
  .home-hero {
    min-height: calc(100dvh - var(--nav-height));
    align-items: end;
    padding: clamp(250px, 43vh, 370px) 0 52px;
  }
  .home-hero::before {
    background:
      linear-gradient(180deg, rgba(15,15,24,0.02) 0%, rgba(15,15,24,0.24) 38%, rgba(15,15,24,0.94) 72%, rgba(15,15,24,1) 100%),
      url('../images/omnicomposer-hero-bg-v2.seo.webp?v=1') center 92px / 100% auto no-repeat,
      #0f0f18;
  }
  .hero-copy {
    max-width: 100%;
  }
  .hero h1,
  .legacy-feature-content h2,
  .page-copy h1,
  .story-section h2,
  .copy-block h2,
  .screenshots-section h2,
  .requirements-panel h2,
  .support-panel h2,
  .llmo-section h2,
  .faq-section h2 {
    font-size: clamp(2rem, 9vw, 2.55rem);
    overflow-wrap: anywhere;
  }
  .brand-line {
    display: inline;
  }
  .mobile-break {
    display: inline;
  }
  html[lang="en"] .hero h1 {
    max-width: 8.4ch;
    font-size: clamp(2.24rem, 10vw, 2.82rem);
  }
  .lead {
    font-size: 0.94rem;
    line-height: 1.85;
    max-width: min(34ch, 100%);
    overflow-wrap: anywhere;
  }
  html[lang="ja"] .hero .lead {
    max-width: min(28em, 100%);
    line-break: strict;
  }
  html[lang="en"] .hero .lead {
    max-width: min(31ch, 100%);
  }
  .hero-actions,
  .hero-meta,
  .footer {
    flex-direction: column;
    align-items: stretch;
  }
  .footer-meta {
    align-items: flex-start;
    text-align: left;
  }
  .footer-legal { justify-content: flex-start; }
  .button { width: 100%; }
  .demo-section,
  .legacy-highlights,
  .legacy-feature-section,
  .cta-section {
    margin-top: 64px;
  }
  .legacy-card {
    min-height: auto;
    padding: 20px;
  }
  .legacy-feature-layout,
  .legacy-feature-layout.reverse {
    gap: 24px;
  }
  .legacy-feature-content p,
  .feature-list {
    font-size: 0.95rem;
    line-height: 1.9;
  }
  .legacy-feature-visual {
    min-height: 190px;
  }
  .hero-daw {
    width: 100%;
  }
  .quick-grid,
  .legacy-highlight-grid,
  .feature-grid,
  .download-layout,
  .requirements-grid,
  .mini-daw-card,
  .visual-showcase {
    grid-template-columns: 1fr;
  }
  .productivity-section,
  .cta-section,
  .screenshots-section,
  .doc-section,
  .doc-toc,
  .requirements-panel,
  .support-panel,
  .llmo-section,
  .faq-section {
    padding: 22px;
  }
  .feature-card.large,
  .feature-card.wide {
    grid-row: auto;
    grid-column: auto;
  }
  .doc-toc { position: static; }
}

/* Polish */
::selection {
  color: var(--text);
  background: rgba(210,154,61,0.4);
}

.brand-line {
  background: linear-gradient(104deg, var(--accent-soft) 8%, #f2d79a 55%, var(--accent-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.button.primary,
.nav-download {
  box-shadow: 0 12px 30px -14px rgba(210,154,61,0.6);
}

.button.primary:hover,
.nav-download:hover {
  box-shadow: 0 16px 36px -14px rgba(230,184,93,0.7);
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-kicker::before {
  content: '';
  width: 26px;
  height: 1px;
  background: var(--accent);
}

.footer-links a:hover { color: var(--accent-soft); }

.quick-card {
  background:
    linear-gradient(150deg, rgba(210,154,61,0.05), transparent 42%),
    rgba(26,26,42,0.48);
}

.quick-card:hover {
  background:
    linear-gradient(150deg, rgba(210,154,61,0.1), transparent 46%),
    rgba(30,30,48,0.6);
}

/* Reveal on scroll */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: none;
  }
}

/* Workspace showcase */
.showcase-section {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
  margin-top: 86px;
}

.showcase-section h2 {
  margin-top: 12px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 900;
  text-wrap: balance;
}

.showcase-frame {
  position: relative;
  margin-top: 30px;
  overflow: hidden;
  border: 1px solid var(--line-accent);
  border-radius: var(--radius);
  background: rgba(10,10,18,0.7);
  box-shadow:
    0 50px 140px -60px rgba(210,154,61,0.5),
    0 24px 60px -30px rgba(0,0,0,0.8);
}

.showcase-frame img {
  display: block;
  width: 100%;
}

.showcase-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), transparent 18%);
  pointer-events: none;
}

.showcase-caption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
}

.showcase-caption span {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-soft);
  background: rgba(26,26,42,0.5);
  font-size: 0.86rem;
  font-weight: 700;
}

.showcase-caption .text-link {
  margin-top: 0;
  margin-left: auto;
}

@media (max-width: 720px) {
  .showcase-section {
    width: min(var(--container), calc(100% - 32px));
    margin-top: 64px;
  }
  .showcase-section h2 {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }
  .showcase-caption .text-link {
    margin-left: 0;
    width: 100%;
  }
}

/* Pricing */
.nowrap { white-space: nowrap; }

.pricing-section {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
  margin-top: 86px;
  padding: 44px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.6fr);
  gap: 42px;
  align-items: center;
  border: 1px solid var(--line-accent);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 84% 12%, rgba(210,154,61,0.16), transparent 24rem),
    rgba(26,26,42,0.6);
}

.pricing-section h2 {
  margin-top: 12px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 900;
  text-wrap: balance;
}

.pricing-section .pricing-copy > p {
  max-width: 58ch;
  margin-top: 20px;
  color: var(--text-soft);
  line-height: 2;
}

.catch-list {
  display: grid;
  gap: 12px;
  margin-top: 26px;
  list-style: none;
}

.catch-list li {
  position: relative;
  padding-left: 32px;
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.7;
}

.catch-list li::before {
  content: '♪';
  position: absolute;
  left: 4px;
  top: 0;
  color: var(--accent-soft);
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
}

.price-card {
  display: grid;
  gap: 12px;
  justify-items: start;
  padding: 34px 30px;
  border: 1px solid var(--line-accent);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(210,154,61,0.10), rgba(20,20,32,0.9));
  box-shadow: 0 28px 70px -34px rgba(210,154,61,0.4);
}

.price-pill {
  display: inline-grid;
  place-items: center;
  min-height: 30px;
  padding: 0 12px;
  color: #11111b;
  background: var(--accent);
  border-radius: 999px;
  font-family: 'Outfit', 'Zen Kaku Gothic New', sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.price-amount {
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.9rem, 5vw, 3.7rem);
  font-weight: 900;
  line-height: 1;
}

.price-amount .currency {
  margin-right: 2px;
  color: var(--accent-soft);
  font-size: 0.55em;
}

.price-amount .tax {
  margin-left: 8px;
  color: var(--muted);
  font-size: 0.28em;
  font-weight: 700;
}

.price-name {
  color: var(--text-soft);
  font-weight: 700;
}

.price-notes {
  display: grid;
  gap: 8px;
  margin-top: 4px;
  list-style: none;
  color: var(--text-soft);
  font-size: 0.94rem;
}

.price-notes li {
  position: relative;
  padding-left: 22px;
}

.price-notes li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-soft);
  font-weight: 800;
}

.price-card .button {
  width: 100%;
  margin-top: 10px;
}

.download-card .price-line {
  margin-top: 12px;
  color: var(--accent-soft);
  font-weight: 700;
}

@media (max-width: 1020px) {
  .pricing-section {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .price-card {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .pricing-section {
    width: min(var(--container), calc(100% - 32px));
    margin-top: 64px;
    padding: 24px;
  }
  .pricing-section h2 {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }
  .catch-list li {
    font-size: 1rem;
  }
  .price-card {
    padding: 26px 22px;
  }
}

@media (max-width: 720px) {
  .download-layout.os-grid {
    grid-template-columns: 1fr;
  }
  .button.big {
    font-size: 1rem;
  }
}

@media (max-width: 600px) {
  .language-select {
    min-height: 36px;
    padding: 6px 26px 6px 8px;
    font-size: 0.82rem;
  }
}