:root {
  color-scheme: light;
  --ink: #14211f;
  --muted: #5f6f6b;
  --soft: #f5f8f6;
  --line: #dce7e2;
  --panel: #ffffff;
  --green: #0f8f68;
  --green-dark: #087350;
  --blue: #2878d8;
  --coral: #e66350;
  --shadow: 0 18px 48px rgba(24, 42, 37, 0.14);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Hiragino Sans",
    "Yu Gothic",
    "YuGothic",
    "Noto Sans JP",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  line-height: 1.7;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 54px);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid rgba(220, 231, 226, 0.8);
  backdrop-filter: blur(16px);
}

.brand,
.site-nav,
.hero-actions,
.proof-row,
.footer-inner {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 750;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: #ffffff;
  background: var(--green);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
}

.site-nav {
  gap: 22px;
  color: #324642;
  font-size: 14px;
  font-weight: 650;
}

.site-nav a {
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  border-color: var(--green);
}

.hero {
  position: relative;
  min-height: 84svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 112px clamp(20px, 6vw, 82px) 72px;
}

.hero-background,
.hero-scrim {
  position: absolute;
  inset: 0;
}

.hero-background {
  background-image: url("assets/hero-voice-input.png");
  background-position: center;
  background-size: cover;
  transform: scale(1.01);
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.9) 31%, rgba(255, 255, 255, 0.36) 58%, rgba(255, 255, 255, 0.08) 100%),
    linear-gradient(0deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.14));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(620px, 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: 64px;
  line-height: 1.04;
  font-weight: 850;
}

h2 {
  margin: 0;
  font-size: 40px;
  line-height: 1.18;
  font-weight: 820;
}

h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 760;
}

.hero-copy {
  max-width: 580px;
  margin: 22px 0 0;
  color: #304541;
  font-size: 19px;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 760;
  white-space: nowrap;
}

.button-primary {
  color: #ffffff;
  background: var(--green);
  box-shadow: 0 12px 30px rgba(15, 143, 104, 0.22);
}

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

.button-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(20, 33, 31, 0.16);
}

.button-wide {
  width: 100%;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 590px;
  margin: 34px 0 0;
}

.hero-facts div {
  padding: 14px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(220, 231, 226, 0.88);
  border-radius: 8px;
}

.hero-facts dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.hero-facts dd {
  margin: 3px 0 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}

.section {
  padding: 86px clamp(20px, 5vw, 72px);
}

.section-compact {
  padding-top: 20px;
  padding-bottom: 20px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-muted {
  background: var(--soft);
}

.section-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.proof-row {
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  color: #405551;
  font-size: 14px;
  font-weight: 720;
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 36px;
  text-align: center;
}

.section-heading.align-left {
  margin: 0;
  text-align: left;
}

.section-heading p:not(.eyebrow) {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card,
.download-panel,
.faq-list details {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-card {
  min-height: 232px;
  padding: 22px;
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  min-width: 44px;
  height: 34px;
  margin-bottom: 22px;
  padding: 0 10px;
  color: var(--green-dark);
  background: #e7f5ef;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 850;
}

.feature-card p,
.steps p,
.download-panel p,
.faq-list p {
  margin: 10px 0 0;
  color: var(--muted);
}

.two-column,
.download-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
  gap: 54px;
  align-items: start;
}

.steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 16px;
  padding: 18px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.step-number {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: #ffffff;
  background: var(--blue);
  border-radius: 8px;
  font-weight: 820;
}

.download-section {
  background: #fdfefe;
}

.download-layout {
  align-items: center;
}

.download-layout > div:first-child p:not(.eyebrow) {
  max-width: 620px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.download-panel {
  padding: 26px;
  box-shadow: var(--shadow);
}

.release-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 7px 10px;
  color: var(--green-dark);
  background: #e7f5ef;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 780;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 999px;
}

.small-note {
  font-size: 13px;
}

.download-steps {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.download-steps li {
  padding: 10px 12px;
  color: #31433e;
  background: #f3f7f5;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 760;
}

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

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 780;
}

.site-footer {
  padding: 30px clamp(20px, 5vw, 72px);
  color: #52635f;
  border-top: 1px solid var(--line);
}

.footer-inner {
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
  }

  .site-nav {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 104px;
  }

  .hero-background {
    background-position: 58% center;
  }

  .hero-scrim {
    background: rgba(255, 255, 255, 0.82);
  }

  h1 {
    font-size: 46px;
  }

  h2 {
    font-size: 32px;
  }

  .hero-facts,
  .feature-grid,
  .two-column,
  .download-layout {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 0;
  }
}

@media (max-width: 560px) {
  .hero {
    padding-left: 18px;
    padding-right: 18px;
    padding-bottom: 42px;
  }

  h1 {
    font-size: 38px;
  }

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

  .hero-actions .button {
    width: 100%;
  }

  .hero-facts {
    display: none;
  }

  .section {
    padding-left: 18px;
    padding-right: 18px;
  }

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