:root {
  color-scheme: light;
  font-family:
    Inter,
    'Noto Sans JP',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  color: #17332d;
  background: #f8faf7;
  font-synthesis: none;
  --muted: #536962;
  --line: #dbe4dc;
  --accent: #17694e;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
a:focus-visible {
  outline: 3px solid #258b68;
  outline-offset: 5px;
}
.wrap {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 88px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 750;
  letter-spacing: -0.5px;
  text-decoration: none;
}
.brand img {
  width: 32px;
  height: 32px;
}
.header nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
}
.language {
  display: flex;
  gap: 12px;
}
.language a {
  text-decoration: none;
  color: var(--muted);
}
.language a[aria-current='page'] {
  color: var(--accent);
  font-weight: 700;
  text-decoration: underline;
}
.login {
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 16px;
}
.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: 64px;
  padding-block: 88px 80px;
}
.eyebrow {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  font-size: clamp(36px, 4.4vw, 56px);
  line-height: 1.22;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.lead {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
  margin: 24px 0 28px;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--accent);
  color: white;
  padding: 14px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 650;
}
.button:hover {
  background: #10513b;
}
.text-link {
  font-size: 14px;
  color: var(--muted);
}
.flow {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  padding: 28px;
}
.flow-caption {
  margin: 0 0 26px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.flow-caption::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.flow-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.flow-node {
  background: #f7f9f7;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 11px 13px;
  font-size: 12px;
}
.flow-connector {
  text-align: center;
  color: #9aaea4;
  margin: 10px 0;
  font-size: 18px;
}
.flow-center {
  background: #edf6f0;
  border: 1px solid #bad7c7;
  border-radius: 10px;
  text-align: center;
  padding: 22px 12px;
}
.flow-center strong {
  display: block;
  font-size: 21px;
  letter-spacing: -0.4px;
}
.flow-center span {
  display: block;
  margin-top: 9px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}
.flow-note {
  border-top: 1px solid var(--line);
  margin: 24px 0 0;
  padding-top: 16px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
}
.section {
  border-top: 1px solid var(--line);
  padding-block: 64px;
}
.section-head {
  max-width: 660px;
  margin-bottom: 32px;
}
h2 {
  font-size: clamp(25px, 3vw, 34px);
  line-height: 1.4;
  letter-spacing: -0.025em;
  margin: 0 0 12px;
  text-wrap: balance;
}
.section-head p,
.feature p,
.use-case p,
.about p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
  margin: 0;
}
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}
.feature {
  padding: 25px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.number {
  display: block;
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  margin-bottom: 24px;
}
h3 {
  font-size: 18px;
  line-height: 1.5;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.use-cases {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}
.use-case {
  border-left: 2px solid #bad7c7;
  padding-left: 20px;
}
.about {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 64px;
}
.about .eyebrow {
  margin-bottom: 14px;
}
.about p + p {
  margin-top: 16px;
}
.contact {
  margin-top: 24px;
}
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-block: 26px;
  font-size: 12px;
  color: var(--muted);
}
.footer p {
  margin: 0;
}
.footer nav {
  display: flex;
  gap: 20px;
}
@media (max-width: 900px) {
  .hero {
    gap: 32px;
    padding-block: 60px;
  }
  .features {
    gap: 16px;
  }
  .feature {
    padding: 20px;
  }
  .about {
    gap: 32px;
  }
}
@media (max-width: 700px) {
  .wrap {
    width: calc(100% - 36px);
  }
  .header {
    min-height: 76px;
    gap: 12px;
  }
  .header nav {
    gap: 12px;
  }
  .brand {
    font-size: 17px;
  }
  .brand img {
    width: 27px;
    height: 27px;
  }
  .language {
    gap: 8px;
    font-size: 12px;
  }
  .login {
    padding: 8px 10px;
    font-size: 12px;
  }
  .hero,
  .features,
  .use-cases,
  .about {
    grid-template-columns: 1fr;
  }
  .hero {
    gap: 36px;
    padding-block: 48px;
  }
  .flow {
    padding: 24px;
  }
  .section {
    padding-block: 44px;
  }
  .features,
  .use-cases {
    gap: 20px;
  }
  .number {
    margin-bottom: 16px;
  }
  .about {
    gap: 20px;
  }
}