:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #eef5ff;
  --text: #07142f;
  --muted: #526173;
  --line: #d9e1ec;
  --primary: #1f6feb;
  --primary-strong: #1158c7;
  --primary-soft: #e6f0ff;
  --success: #0f766e;
  --success-soft: #dff8f4;
  --warning: #9a6700;
  --warning-soft: #fff3cd;
  --shadow: 0 24px 80px rgba(13, 36, 73, 0.12);
  --radius-lg: 32px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --shell: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(31, 111, 235, 0.16), transparent 30%),
    radial-gradient(circle at 90% 6%, rgba(15, 118, 110, 0.12), transparent 32%),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 46%, #ffffff 100%);
  color: var(--text);
  font-family:
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
}

.skip-link {
  background: var(--text);
  color: #fff;
  left: 16px;
  padding: 10px 14px;
  position: fixed;
  top: -80px;
  z-index: 20;
}

.skip-link:focus {
  top: 16px;
}

.shell {
  margin: 0 auto;
  max-width: var(--shell);
  padding: 0 24px;
}

.site-header {
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid rgba(217, 225, 236, 0.72);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 76px;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-weight: 800;
  gap: 10px;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(31, 111, 235, 0.22);
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 8px;
}

.nav-links a,
.footer-links a,
.language-switch a {
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  padding: 10px 14px;
  text-decoration: none;
}

.nav-links a:hover,
.footer-links a:hover,
.language-switch a:hover {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.language-switch {
  align-items: center;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 999px;
  display: flex;
  gap: 2px;
  padding: 3px;
}

.language-switch a {
  min-height: 36px;
  padding: 7px 12px;
}

.language-switch a.is-current {
  background: var(--primary);
  color: #ffffff;
}

.hero {
  align-items: center;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.78fr);
  min-height: 720px;
  padding-bottom: 72px;
  padding-top: 72px;
}

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

.eyebrow {
  color: var(--primary-strong);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(3.1rem, 7vw, 5.9rem);
  letter-spacing: -0.075em;
  line-height: 0.93;
  margin-bottom: 24px;
  max-width: 790px;
}

.ja-hero-title {
  font-size: clamp(3.2rem, 6vw, 5rem);
  letter-spacing: -0.075em;
  line-height: 0.98;
  word-break: keep-all;
}

.ja-hero-title span {
  display: block;
}

h2 {
  font-size: clamp(2.1rem, 4.4vw, 4.1rem);
  letter-spacing: -0.06em;
  line-height: 1;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.24rem;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 10px;
}

.hero-lede,
.section-heading p,
.two-column p,
.cta p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 18px;
}

.button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.98rem;
  font-weight: 900;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  text-decoration: none;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(31, 111, 235, 0.35);
  outline-offset: 3px;
}

.button.primary {
  background: var(--primary);
  box-shadow: 0 18px 38px rgba(31, 111, 235, 0.26);
  color: #ffffff;
}

.button.primary:hover {
  background: var(--primary-strong);
}

.button.is-disabled {
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.72;
  transform: none;
}

.button.is-disabled:hover {
  background: var(--primary);
  transform: none;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.74);
  border-color: var(--line);
  color: var(--text);
}

.button.full {
  width: 100%;
}

.trust-note,
.fine-print {
  color: var(--muted);
  font-size: 0.92rem;
}

.product-card {
  align-self: center;
  min-width: 0;
}

.popup-preview-card {
  background:
    radial-gradient(circle at 88% -10%, rgba(31, 111, 235, 0.12), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #f6f8fb 100%);
  border: 1px solid rgba(217, 225, 236, 0.95);
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 56px rgba(13, 36, 73, 0.1);
  max-width: 390px;
  padding: 16px;
}

.preview-kicker {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  text-align: right;
  text-transform: uppercase;
}

.preview-hero {
  align-items: center;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 18px;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding: 14px;
}

.preview-hero span,
.preview-memory-card span {
  color: var(--primary-strong);
  display: block;
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.preview-hero strong {
  display: block;
  font-size: 1.7rem;
  letter-spacing: -0.055em;
  line-height: 1.04;
}

.preview-hero small {
  color: var(--muted);
  display: block;
  font-size: 0.78rem;
  line-height: 1.42;
  margin-top: 6px;
}

.preview-mark {
  align-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  border-radius: 18px;
  box-shadow: 0 18px 34px rgba(31, 111, 235, 0.28);
  display: inline-flex;
  flex: 0 0 62px;
  flex-direction: column;
  gap: 6px;
  height: 62px;
  justify-content: center;
  width: 62px;
}

.preview-mark-line {
  background: rgba(255, 255, 255, 0.94);
  border-radius: 999px;
  display: block;
  height: 6px;
  width: 28px;
}

.preview-mark-line:nth-child(2) {
  width: 36px;
}

.preview-stats {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 10px;
}

.preview-stats article {
  background: #f8fbff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
}

.preview-stats span {
  color: var(--muted);
  display: block;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.preview-stats strong {
  display: block;
  font-size: 1.42rem;
  letter-spacing: -0.05em;
  line-height: 1.1;
  margin-top: 6px;
}

.preview-memory-card {
  background: #f8fbff;
  border: 1px solid rgba(31, 111, 235, 0.18);
  border-left: 4px solid rgba(31, 111, 235, 0.48);
  border-radius: 16px;
  margin-top: 10px;
  padding: 13px 14px;
}

.preview-memory-row {
  display: block;
}

.preview-memory-row strong {
  display: block;
  font-size: 1.7rem;
  letter-spacing: -0.055em;
  line-height: 1;
  margin-top: 4px;
  white-space: nowrap;
}

.dot {
  border-radius: 50%;
  flex: 0 0 auto;
  height: 10px;
  margin-top: 7px;
  width: 10px;
}

.dot.green {
  background: var(--success);
}

.dot.blue {
  background: var(--primary);
}

.value-strip {
  margin-bottom: 36px;
}

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

.value-grid div {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px;
}

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

.value-grid strong {
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.value-grid span {
  color: var(--muted);
  font-size: 0.94rem;
}

.section {
  padding: 88px 24px;
}

.section.shell {
  padding-left: 24px;
  padding-right: 24px;
}

.section-heading {
  margin-bottom: 34px;
  max-width: 760px;
}

.section-heading.compact {
  max-width: 560px;
}

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

.feature-card,
.install-card,
.pricing-card,
.faq-grid article,
.cta,
.legal-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 44px rgba(13, 36, 73, 0.07);
}

.feature-card {
  padding: 24px;
}

.feature-card p,
.faq-grid p,
.legal-card p,
.legal-card li {
  color: var(--muted);
}

.icon-chip {
  align-items: center;
  background: var(--primary-soft);
  border-radius: 999px;
  color: var(--primary-strong);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 900;
  height: 34px;
  justify-content: center;
  margin-bottom: 18px;
  width: 48px;
}

.muted {
  background: rgba(238, 245, 255, 0.58);
  border: 1px solid rgba(217, 225, 236, 0.7);
  border-left: 0;
  border-right: 0;
}

.two-column {
  align-items: center;
  display: grid;
  gap: 48px;
  grid-template-columns: 0.9fr 1fr;
}

.check-list {
  display: grid;
  gap: 12px;
}

.check-list div {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  display: flex;
  font-weight: 800;
  gap: 12px;
  min-height: 56px;
  padding: 14px 16px;
}

.check-list span {
  align-items: center;
  background: var(--success-soft);
  border-radius: 50%;
  color: var(--success);
  display: inline-flex;
  flex: 0 0 auto;
  font-weight: 900;
  height: 28px;
  justify-content: center;
  font-size: 0.68rem;
  width: 28px;
}

.install-layout {
  align-items: stretch;
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr 460px;
}

.install-card {
  padding: 26px;
}

.install-status {
  background: #f8fbff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}

.install-status span,
.install-status strong {
  display: block;
}

.install-status span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.install-status strong {
  font-size: 1.4rem;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-top: 8px;
}

.install-actions {
  margin-bottom: 14px;
  margin-top: 18px;
}

.pricing-layout {
  align-items: stretch;
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr 420px;
}

.pricing-card {
  padding: 26px;
}

.price-row {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}

.price-row div,
.trial-box {
  background: #f8fbff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}

.price-label {
  color: var(--muted);
  display: block;
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.price-row strong {
  display: inline-block;
  font-size: 2.1rem;
  letter-spacing: -0.055em;
  margin-top: 8px;
}

.price-row span:last-child {
  color: var(--muted);
  font-weight: 800;
}

.trial-box {
  margin: 14px 0;
}

.trial-box strong,
.trial-box span {
  display: block;
}

.trial-box span {
  color: var(--muted);
  margin-top: 4px;
}

.faq-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, 1fr);
}

.faq-grid article {
  padding: 24px;
}

.cta {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin-bottom: 72px;
  padding: 34px;
}

.cta-actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.cta h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
}

.footer-grid {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer p {
  color: var(--muted);
  margin: 12px 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.legal-hero {
  padding-bottom: 42px;
  padding-top: 76px;
}

.legal-hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
}

.legal-card {
  margin-bottom: 72px;
  padding: 34px;
}

.legal-card h2 {
  font-size: 1.7rem;
  letter-spacing: -0.04em;
  margin-top: 34px;
}

.legal-card h2:first-child {
  margin-top: 0;
}

.legal-card ul {
  padding-left: 22px;
}

.legal-card li + li {
  margin-top: 8px;
}

@media (max-width: 940px) {
  .hero,
  .two-column,
  .install-layout,
  .pricing-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .product-card {
    max-width: 560px;
    width: 100%;
  }

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

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

@media (max-width: 680px) {
  .shell,
  .section.shell {
    padding-left: 18px;
    padding-right: 18px;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 16px;
    padding-top: 16px;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .language-switch {
    width: 100%;
  }

  .language-switch a {
    flex: 1;
  }

  .nav-links a,
  .footer-links a {
    padding-left: 10px;
    padding-right: 10px;
  }

  .hero {
    gap: 32px;
    padding-bottom: 44px;
    padding-top: 52px;
  }

  h1 {
    font-size: clamp(2.35rem, 10.5vw, 2.75rem);
    letter-spacing: -0.065em;
  }

  .ja-hero-title {
    font-size: clamp(2.35rem, 10.4vw, 3.05rem);
    line-height: 1.04;
  }

  h2 {
    font-size: clamp(2rem, 11vw, 3rem);
  }

  .hero-actions,
  .cta-actions,
  .cta,
  .footer-grid {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section {
    padding-bottom: 58px;
    padding-top: 58px;
  }

  .feature-grid,
  .faq-grid,
  .price-row {
    grid-template-columns: 1fr;
  }

  .footer-links {
    justify-content: flex-start;
  }
}