:root {
  --font-heading: "Aptos Display", "Segoe UI Variable Display", "Bahnschrift", "Yu Gothic UI", sans-serif;
  --font-body: "Aptos", "Segoe UI Variable", "Hiragino Sans", "Yu Gothic UI", sans-serif;

  --color-bg: #f4f1ea;
  --color-bg-strong: #ebe4d8;
  --color-surface: #ffffff;
  --color-surface-alt: #f2f5f8;
  --color-surface-strong: #102038;
  --color-surface-panel: #0d1a2d;
  --color-text: #152136;
  --color-text-soft: #57647a;
  --color-text-faint: #5a6577;
  --color-text-inverse: #f4f7fb;
  --color-border: rgba(21, 33, 54, 0.12);
  --color-border-strong: rgba(21, 33, 54, 0.18);
  --color-brand: #0f4f7d;
  --color-brand-strong: #0a3554;
  --color-brand-soft: #dceaf5;
  --color-sand: #f3e0c9;
  --color-sage: #dce7df;
  --color-accent: #c17b36;
  --color-accent-soft: #f5e2cd;
  --color-success: #285d4a;

  --space-050: 4px;
  --space-100: 8px;
  --space-150: 12px;
  --space-200: 16px;
  --space-250: 20px;
  --space-300: 24px;
  --space-400: 32px;
  --space-500: 40px;
  --space-600: 48px;
  --space-700: 56px;
  --space-800: 64px;
  --space-900: 72px;
  --space-1000: 88px;
  --space-1100: 104px;

  --radius-100: 14px;
  --radius-200: 20px;
  --radius-300: 28px;
  --radius-400: 36px;
  --radius-round: 999px;

  --shadow-soft: 0 20px 50px rgba(16, 32, 56, 0.08);
  --shadow-card: 0 32px 70px rgba(16, 32, 56, 0.12);
  --shadow-panel: 0 40px 90px rgba(5, 12, 24, 0.3);

  --container-width: 1200px;
  --transition-fast: 0.18s ease;
  --transition-slow: 0.32s ease;
}

body.dark-mode {
  --color-bg: #09111f;
  --color-bg-strong: #0f1a2b;
  --color-surface: #111d31;
  --color-surface-alt: #17243b;
  --color-surface-strong: #f4f7fb;
  --color-surface-panel: #102038;
  --color-text: #edf2f7;
  --color-text-soft: #b2c0d2;
  --color-text-faint: #8da0b8;
  --color-text-inverse: #112036;
  --color-border: rgba(237, 242, 247, 0.12);
  --color-border-strong: rgba(237, 242, 247, 0.2);
  --color-brand: #78b6df;
  --color-brand-strong: #a9d2ee;
  --color-brand-soft: rgba(120, 182, 223, 0.16);
  --color-sand: rgba(243, 224, 201, 0.1);
  --color-sage: rgba(220, 231, 223, 0.12);
  --color-accent: #ebac68;
  --color-accent-soft: rgba(235, 172, 104, 0.18);
  --color-success: #72c1a4;
  --shadow-soft: 0 20px 50px rgba(0, 0, 0, 0.25);
  --shadow-card: 0 32px 70px rgba(0, 0, 0, 0.35);
  --shadow-panel: 0 40px 90px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(193, 123, 54, 0.12), transparent 26%),
    radial-gradient(circle at right 10% top 12%, rgba(15, 79, 125, 0.14), transparent 28%),
    linear-gradient(180deg, #f8f6f0 0%, var(--color-bg) 22%, #f7f8fb 100%);
  line-height: 1.7;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

main,
section {
  position: relative;
}

section {
  scroll-margin-top: 96px;
}

.container {
  width: min(calc(100% - 48px), var(--container-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(248, 246, 240, 0.7);
  border-bottom: 1px solid rgba(21, 33, 54, 0.06);
}

body.dark-mode .site-header {
  background: rgba(9, 17, 31, 0.72);
  border-bottom-color: rgba(237, 242, 247, 0.08);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-300);
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-150);
  min-width: 0;
}

.brand-mark {
  display: grid;
  grid-template-columns: repeat(2, 10px);
  gap: 4px;
  padding: 6px;
  border-radius: var(--radius-100);
  background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-strong) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.brand-mark span {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.92);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.2;
}

.brand-text strong {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.brand-text span {
  color: var(--color-text-faint);
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-300);
  font-size: 0.94rem;
  color: var(--color-text-soft);
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--color-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 var(--space-250);
  border-radius: var(--radius-round);
  border: 1px solid var(--color-border-strong);
  background: rgba(255, 255, 255, 0.58);
  font-weight: 600;
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast),
    background var(--transition-fast);
}

.header-link:hover,
.header-link:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(15, 79, 125, 0.28);
  background: rgba(255, 255, 255, 0.88);
}

.hero {
  overflow: clip;
  padding: var(--space-1000) 0 var(--space-900);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(21, 33, 54, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 33, 54, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 88%);
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.75;
  pointer-events: none;
}

.hero-orb-left {
  top: -80px;
  left: -90px;
  background: rgba(193, 123, 54, 0.18);
}

.hero-orb-right {
  top: 40px;
  right: -120px;
  background: rgba(15, 79, 125, 0.18);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: var(--space-700);
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-label,
.card-label,
.plan-label,
.case-kicker,
.mini-label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow,
.section-label,
.card-label,
.plan-label,
.case-kicker {
  color: var(--color-brand);
}

.section-label-light {
  color: rgba(244, 247, 251, 0.72);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  line-height: 1.08;
}

h1 {
  margin-top: var(--space-200);
  font-size: clamp(3rem, 5vw, 5.4rem);
}

h2 {
  font-size: clamp(2rem, 3vw, 3.2rem);
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
}

p {
  margin: 0;
}

.hero-lead,
.section-heading p,
.showcase-copy p,
.pricing-note,
.faq-item p,
.site-footer p {
  color: var(--color-text-soft);
}

.hero-lead {
  margin-top: var(--space-250);
  max-width: 640px;
  font-size: 1.02rem;
}

.hero-actions,
.final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-150);
  margin-top: var(--space-400);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 var(--space-300);
  border-radius: var(--radius-round);
  font-weight: 700;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast),
    color var(--transition-fast);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--color-text-inverse);
  background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-strong) 100%);
  box-shadow: 0 18px 34px rgba(15, 79, 125, 0.22);
}

.btn-secondary {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--color-border-strong);
}

.btn-block {
  width: 100%;
}

.hero-status {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-100);
  margin-top: var(--space-300);
}

.status-badge,
.toolbar-pill,
.folder-chip,
.panel-count,
.featured-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-round);
  font-size: 0.78rem;
  font-weight: 700;
}

.status-badge {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(21, 33, 54, 0.09);
  color: var(--color-text-soft);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-150);
  margin-top: var(--space-500);
}

.metric-card {
  padding: var(--space-250);
  border-radius: var(--radius-200);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(21, 33, 54, 0.08);
  box-shadow: var(--shadow-soft);
}

.metric-card strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  line-height: 1;
}

.metric-card span {
  display: block;
  margin-top: var(--space-150);
  color: var(--color-text-soft);
  font-size: 0.9rem;
  line-height: 1.5;
}

.hero-visual {
  position: relative;
  z-index: 1;
}

.workspace-frame {
  border-radius: var(--radius-400);
  background: linear-gradient(180deg, rgba(13, 26, 45, 0.95), rgba(16, 32, 56, 1));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
  transform: rotate(1.2deg);
  animation: floatFrame 6.4s ease-in-out infinite;
}

.workspace-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-200);
  padding: var(--space-200) var(--space-250);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.window-dots {
  display: flex;
  gap: 8px;
}

.window-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.48);
}

.window-address {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: rgba(244, 247, 251, 0.64);
  font-size: 0.82rem;
}

.workspace-body {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  min-height: 620px;
}

.workspace-panel {
  padding: var(--space-300);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 26%),
    var(--color-surface-panel);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-150);
}

.panel-head h2 {
  margin-top: var(--space-100);
  font-size: 1.6rem;
  color: var(--color-text-inverse);
}

.mini-label {
  color: rgba(244, 247, 251, 0.58);
}

.panel-count {
  min-width: 48px;
  height: 36px;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.09);
  color: var(--color-text-inverse);
}

.panel-search {
  margin-top: var(--space-250);
  padding: var(--space-150) var(--space-200);
  border-radius: var(--radius-100);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(244, 247, 251, 0.54);
  font-size: 0.9rem;
}

.panel-group {
  margin-top: var(--space-300);
}

.snippet-card {
  display: grid;
  gap: 6px;
  padding: var(--space-200);
  margin-top: var(--space-150);
  border-radius: var(--radius-100);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.snippet-card strong {
  color: var(--color-text-inverse);
  font-size: 0.95rem;
}

.snippet-card span {
  color: rgba(244, 247, 251, 0.66);
  font-size: 0.84rem;
  line-height: 1.5;
}

.snippet-card-primary {
  background: linear-gradient(135deg, rgba(120, 182, 223, 0.24), rgba(120, 182, 223, 0.08));
  border-color: rgba(120, 182, 223, 0.34);
}

.folder-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-100);
  margin-top: var(--space-150);
}

.folder-chip {
  min-height: 34px;
  padding: 0 14px;
}

.folder-chip-blue {
  background: rgba(120, 182, 223, 0.2);
  color: #a9d2ee;
}

.folder-chip-sand {
  background: rgba(243, 224, 201, 0.18);
  color: #f3d4b2;
}

.folder-chip-green {
  background: rgba(114, 193, 164, 0.16);
  color: #9ce0c5;
}

.workspace-main {
  padding: var(--space-300);
  background:
    radial-gradient(circle at top right, rgba(120, 182, 223, 0.2), transparent 20%),
    linear-gradient(180deg, rgba(244, 247, 251, 0.02), rgba(244, 247, 251, 0.01)),
    #12233c;
}

.workspace-toolbar {
  display: flex;
  gap: var(--space-100);
}

.toolbar-pill {
  min-height: 34px;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text-inverse);
}

.toolbar-pill-soft {
  background: rgba(193, 123, 54, 0.16);
  color: #f4d4b1;
}

.editor-card,
.inline-card,
.floating-card {
  border-radius: var(--radius-200);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-soft);
}

.editor-card {
  margin-top: var(--space-250);
  padding: var(--space-300);
}

.editor-label {
  color: var(--color-text-faint);
  font-size: 0.82rem;
}

.editor-line {
  height: 14px;
  margin-top: var(--space-150);
  border-radius: var(--radius-round);
  background: linear-gradient(90deg, rgba(15, 79, 125, 0.2), rgba(21, 33, 54, 0.06));
}

.editor-line-long {
  width: 88%;
}

.editor-line-mid {
  width: 56%;
}

.editor-line-short {
  width: 68%;
}

.inline-card {
  width: min(100%, 420px);
  margin-top: var(--space-250);
  padding: var(--space-250);
}

.inline-card-head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-150);
  align-items: center;
  margin-bottom: var(--space-150);
}

.inline-card-head strong {
  font-size: 1rem;
}

.inline-card-head span {
  color: var(--color-text-faint);
  font-size: 0.82rem;
}

.inline-item {
  display: flex;
  justify-content: space-between;
  gap: var(--space-150);
  align-items: center;
  padding: 13px 14px;
  border-radius: var(--radius-100);
  color: var(--color-text-soft);
}

.inline-item + .inline-item {
  margin-top: 6px;
}

.inline-item-active {
  background: var(--color-brand-soft);
  color: var(--color-text);
}

.floating-card {
  width: max-content;
  margin-top: var(--space-250);
  padding: var(--space-200) var(--space-250);
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-100);
  margin-top: var(--space-150);
}

.field-row span {
  padding: 8px 12px;
  border-radius: var(--radius-round);
  background: var(--color-surface-alt);
  font-size: 0.86rem;
  color: var(--color-text-soft);
}

.positioning,
.capabilities,
.pricing,
.faq {
  padding: var(--space-1000) 0;
}

.showcase,
.use-cases {
  padding: var(--space-900) 0;
}

.assurance {
  padding: var(--space-1000) 0;
  background: linear-gradient(180deg, #0e1a2c 0%, #102038 100%);
}

.final-cta {
  padding: var(--space-900) 0 var(--space-1000);
}

.section-heading {
  display: grid;
  gap: var(--space-200);
  max-width: 860px;
}

.positioning-grid,
.capability-grid,
.use-case-grid,
.pricing-grid,
.faq-list,
.assurance-grid {
  margin-top: var(--space-500);
}

.positioning-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-200);
}

.value-card,
.capability-card,
.use-case-card,
.pricing-card,
.showcase-card {
  border-radius: var(--radius-300);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(21, 33, 54, 0.08);
  box-shadow: var(--shadow-soft);
}

.value-card,
.capability-card,
.use-case-card {
  padding: var(--space-300);
}

.value-card h3,
.capability-card h3,
.use-case-card h3,
.showcase-card h3,
.pricing-card h3,
.assurance-card h3 {
  margin-top: var(--space-150);
}

.value-card p:last-child,
.capability-card p:last-child,
.use-case-card p:last-child,
.showcase-card p,
.assurance-card p {
  margin-top: var(--space-150);
  color: var(--color-text-soft);
}

.showcase-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: var(--space-500);
  align-items: center;
}

.feature-list {
  display: grid;
  gap: var(--space-150);
  padding: 0;
  margin: var(--space-300) 0 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: var(--space-300);
  color: var(--color-text-soft);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-brand), var(--color-accent));
}

.showcase-panels {
  display: grid;
  gap: var(--space-200);
}

.showcase-card {
  padding: var(--space-300);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
}

.showcase-card-accent {
  background: linear-gradient(135deg, rgba(15, 79, 125, 0.12), rgba(193, 123, 54, 0.12));
  border-color: rgba(15, 79, 125, 0.14);
}

.showcase-number {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  color: var(--color-text-faint);
}

.capability-grid,
.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-200);
}

.use-case-card {
  min-height: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.72));
}

.assurance-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: var(--space-500);
  align-items: start;
}

.assurance-copy h2,
.assurance-copy p {
  color: var(--color-text-inverse);
}

.assurance-copy p {
  margin-top: var(--space-250);
  color: rgba(244, 247, 251, 0.72);
}

.assurance-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-200);
}

.assurance-card {
  padding: var(--space-300);
  border-radius: var(--radius-300);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
}

.assurance-card h3 {
  color: var(--color-text-inverse);
}

.assurance-card p {
  color: rgba(244, 247, 251, 0.68);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-200);
}

.pricing-card {
  position: relative;
  padding: var(--space-400);
}

.pricing-card-featured {
  background: linear-gradient(180deg, rgba(15, 79, 125, 0.08), rgba(255, 255, 255, 0.92));
  border-color: rgba(15, 79, 125, 0.18);
}

.featured-tag {
  position: absolute;
  top: 24px;
  right: 24px;
  min-height: 34px;
  padding: 0 14px;
  background: var(--color-brand);
  color: var(--color-text-inverse);
}

.price {
  margin-top: var(--space-200);
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 3vw, 3rem);
  line-height: 1;
}

.price span {
  font-size: 0.94rem;
  font-family: var(--font-body);
  color: var(--color-text-faint);
}

.pricing-card ul {
  display: grid;
  gap: var(--space-150);
  padding: 0;
  margin: var(--space-300) 0;
  list-style: none;
}

.pricing-card li {
  position: relative;
  padding-left: var(--space-300);
  color: var(--color-text-soft);
}

.pricing-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-success);
}

.pricing-note {
  margin-top: var(--space-250);
  max-width: 920px;
}

.faq-list {
  display: grid;
  gap: var(--space-150);
}

.faq-item {
  border-radius: var(--radius-200);
  border: 1px solid rgba(21, 33, 54, 0.08);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-200);
  padding: var(--space-250) var(--space-300);
  list-style: none;
  cursor: pointer;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  color: var(--color-text-faint);
  font-size: 1.5rem;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 var(--space-300) var(--space-250);
}

.final-cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-400);
  align-items: center;
  padding: var(--space-500);
  border-radius: var(--radius-400);
  background:
    radial-gradient(circle at top right, rgba(193, 123, 54, 0.18), transparent 26%),
    linear-gradient(135deg, rgba(15, 79, 125, 0.1), rgba(255, 255, 255, 0.88));
  border: 1px solid rgba(21, 33, 54, 0.08);
  box-shadow: var(--shadow-card);
}

.final-cta-inner p:last-of-type {
  margin-top: var(--space-250);
  color: var(--color-text-soft);
}

.site-footer {
  padding: 0 0 var(--space-500);
}

.footer-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-300);
  padding-top: var(--space-400);
  border-top: 1px solid rgba(21, 33, 54, 0.08);
  flex-wrap: wrap;
}

.footer-row strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.05rem;
}

.footer-row p {
  color: var(--color-text-faint);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-250);
}

.footer-links a {
  color: var(--color-text-soft);
  font-size: 0.94rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-brand);
}

.footer-copy {
  white-space: nowrap;
}

.value-card,
.capability-card,
.use-case-card,
.pricing-card,
.showcase-card,
.assurance-card,
.metric-card,
.faq-item,
.final-cta-inner,
.header-link,
.btn-secondary {
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.value-card:hover,
.capability-card:hover,
.use-case-card:hover,
.pricing-card:hover,
.showcase-card:hover,
.assurance-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

:focus-visible {
  outline: 3px solid var(--color-brand);
  outline-offset: 3px;
}

@keyframes floatFrame {
  0%,
  100% {
    transform: rotate(1.2deg) translateY(0);
  }
  50% {
    transform: rotate(1.2deg) translateY(-10px);
  }
}

@media (max-width: 1120px) {
  .hero-grid,
  .showcase-grid,
  .assurance-grid,
  .final-cta-inner {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: var(--space-900);
  }

  .hero-visual {
    max-width: 860px;
  }

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

@media (max-width: 900px) {
  .site-nav,
  .header-link {
    display: none;
  }

  .hero-metrics,
  .capability-grid,
  .use-case-grid,
  .pricing-grid,
  .assurance-cards {
    grid-template-columns: 1fr;
  }

  .workspace-body {
    grid-template-columns: 1fr;
  }

  .workspace-panel {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .workspace-main {
    min-height: 0;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 32px), var(--container-width));
  }

  .site-header {
    backdrop-filter: blur(12px);
  }

  .header-row {
    min-height: 70px;
  }

  .hero,
  .positioning,
  .showcase,
  .capabilities,
  .use-cases,
  .assurance,
  .pricing,
  .faq,
  .final-cta {
    padding-top: var(--space-800);
    padding-bottom: var(--space-800);
  }

  .hero-actions,
  .final-actions {
    flex-direction: column;
  }

  .btn,
  .btn-block {
    width: 100%;
  }

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

  .workspace-frame {
    transform: none;
    animation: none;
  }

  .inline-card,
  .floating-card {
    width: 100%;
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-copy {
    white-space: normal;
  }
}

/* スクリーンリーダー専用テキスト */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* スキップリンク - キーボードフォーカス時のみ表示（WCAG 2.4.1） */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-200);
  z-index: 100;
  padding: var(--space-150) var(--space-250);
  border-radius: var(--radius-100);
  background: var(--color-brand);
  color: var(--color-text-inverse);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-150);
  outline: 3px solid var(--color-text-inverse);
  outline-offset: 2px;
}

/* モーション抑制ユーザー向けの一括無効化（WCAG 2.3.3 / 2.2.2） */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .workspace-frame {
    animation: none !important;
  }

  .btn:hover,
  .btn:focus-visible,
  .header-link:hover,
  .header-link:focus-visible {
    transform: none !important;
  }
}