:root {
  color-scheme: light;
  --bg: #f5fbff;
  --surface: #ffffff;
  --surface-soft: #eef8ff;
  --surface-warm: #f9fcff;
  --text: #142032;
  --muted: #5e7084;
  --line: #d9e8f2;
  --brand: #0b73c9;
  --brand-strong: #075ba6;
  --brand-soft: #dff2ff;
  --accent: #1f9f8f;
  --shadow: 0 24px 70px rgba(13, 74, 118, 0.12);
  --radius: 8px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 0;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 0;
  background:
    linear-gradient(180deg, #f7fcff 0%, #ffffff 44%, #f4fbff 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(217, 232, 242, 0.8);
  background: rgba(247, 252, 255, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  width: calc(100% - 48px);
  max-width: var(--max);
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 104px;
  height: auto;
  display: block;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #e7f6ff, #ffffff);
  border: 1px solid var(--line);
  color: var(--brand);
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
  white-space: nowrap;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--brand);
}

.nav-cta {
  padding: 9px 15px;
  border-radius: var(--radius);
  background: var(--brand);
  color: #fff;
  font-weight: 700;
}

.nav-cta:hover {
  background: var(--brand-strong);
  color: #fff;
}

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

.hero {
  padding: 96px 0 88px;
  text-align: center;
}

.hero-logo {
  width: 148px;
  margin: 0 auto 34px;
  display: block;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--brand);
  font-weight: 800;
  font-size: 0.95rem;
}

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

h1 {
  max-width: 880px;
  margin: 0 auto;
  font-size: 4.1rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.hero-title {
  max-width: 1080px;
  font-size: 3.85rem;
  line-height: 1.16;
  text-wrap: balance;
}

.hero-line {
  display: inline;
}

.hero-title .hero-line:last-child {
  display: block;
}

.hero-nowrap {
  white-space: nowrap;
}

.hero-accent {
  color: var(--brand);
}

.hero-lead {
  max-width: 900px;
  margin: 28px auto 0;
  color: #34465a;
  font-size: 1.22rem;
  line-height: 1.95;
}

.hero-copy {
  max-width: 860px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.cta-row {
  margin-top: 36px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 14px 34px rgba(11, 115, 201, 0.22);
}

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

.button.secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--text);
  box-shadow: none;
}

.button.secondary:hover {
  border-color: #b9d6e8;
  color: var(--brand);
}

.small-note {
  color: var(--muted);
  font-size: 0.94rem;
}

.pill-row {
  margin: 34px auto 0;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  color: #365066;
  font-weight: 700;
  font-size: 0.94rem;
}

.notice {
  margin: 34px auto 0;
  max-width: 760px;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  color: #40566b;
  text-align: left;
}

.section {
  padding: 84px 0;
}

.section.compact {
  padding: 62px 0;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  font-size: 2.45rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.section-heading p {
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  min-width: 0;
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  box-shadow: 0 12px 34px rgba(35, 90, 127, 0.07);
}

.card h3 {
  margin: 0;
  font-size: 1.22rem;
  line-height: 1.45;
  letter-spacing: 0;
}

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

.quiet-band {
  background: linear-gradient(180deg, rgba(235, 247, 255, 0.8), rgba(255, 255, 255, 0.92));
  border-top: 1px solid rgba(217, 232, 242, 0.72);
  border-bottom: 1px solid rgba(217, 232, 242, 0.72);
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.statement {
  min-width: 0;
  padding: 34px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.statement h2,
.statement h1 {
  margin: 0;
  font-size: 2.2rem;
  line-height: 1.28;
  letter-spacing: 0;
}

.statement p {
  color: var(--muted);
}

.list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.list li {
  position: relative;
  padding-left: 22px;
  margin: 12px 0;
  color: #40566b;
}

.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 14px;
}

.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
}

.step::before {
  content: counter(step);
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 900;
}

.step h3 {
  margin: 0;
  font-size: 1.08rem;
}

.step p {
  margin: 5px 0 0;
  color: var(--muted);
}

.page-hero {
  padding: 86px 0 56px;
}

.page-hero .statement {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.status-box {
  min-width: 0;
  margin: 30px auto 0;
  max-width: 680px;
  padding: 22px;
  border-radius: var(--radius);
  background: var(--surface-soft);
  border: 1px solid #cde7f8;
  color: #31546a;
}

.file-name {
  display: inline-block;
  max-width: 100%;
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  color: var(--text);
  font-family: "Cascadia Mono", "Consolas", monospace;
  font-size: 0.94rem;
  white-space: normal;
  overflow-wrap: anywhere;
}

.stats-card {
  min-width: 0;
  max-width: 780px;
  margin: 0 auto;
  padding: 34px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
  text-align: center;
}

.stats-card h2 {
  margin: 0;
  font-size: 1.7rem;
}

.stat-number {
  margin-top: 12px;
  font-size: 4rem;
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0;
  color: var(--brand);
}

.stats-list {
  margin: 28px auto 0;
  max-width: 620px;
  display: grid;
  gap: 12px;
  text-align: left;
}

.stats-list div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.stats-list dt {
  color: var(--muted);
  font-weight: 700;
}

.stats-list dd {
  margin: 0;
  color: var(--text);
  overflow-wrap: anywhere;
}

.release-item {
  padding: 30px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 12px 34px rgba(35, 90, 127, 0.07);
}

.release-item h2 {
  margin: 0;
  font-size: 1.7rem;
}

.muted {
  color: var(--muted);
}

.site-footer {
  padding: 36px 0 44px;
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
}

.footer-inner {
  width: calc(100% - 48px);
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.94rem;
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
}

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

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

@media (max-width: 900px) {
  .nav {
    width: calc(100% - 32px);
    min-height: 68px;
  }

  .nav-links {
    gap: 14px;
    font-size: 0.9rem;
  }

  .container,
  .footer-inner {
    width: calc(100% - 32px);
  }

  .hero {
    padding: 72px 0 64px;
  }

  h1 {
    font-size: 3rem;
  }

  .hero-title {
    font-size: 3rem;
  }

  .hero-lead {
    font-size: 1.12rem;
  }

  .feature-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 0;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15.5px;
  }

  .site-header {
    position: static;
  }

  .nav {
    min-height: auto;
    padding: 15px 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .brand img {
    width: 96px;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    white-space: normal;
  }

  .nav-cta {
    padding: 7px 12px;
  }

  .hero {
    padding: 54px 0 52px;
    text-align: left;
  }

  .hero-logo {
    margin-left: 0;
    width: 132px;
  }

  .eyebrow,
  .hero-lead,
  .hero-copy,
  h1 {
    margin-left: 0;
    margin-right: 0;
  }

  h1 {
    font-size: 2.3rem;
    line-height: 1.18;
  }

  .hero-title {
    font-size: 2.24rem;
    line-height: 1.2;
  }

  .hero-line,
  .hero-title .hero-line:last-child {
    display: block;
  }

  .hero-lead {
    font-size: 1.04rem;
    line-height: 1.85;
  }

  .cta-row,
  .pill-row {
    justify-content: flex-start;
  }

  .button {
    width: 100%;
    min-height: 54px;
  }

  .stat-number {
    font-size: 3.2rem;
  }

  .stats-card {
    padding: 26px;
  }

  .stats-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .pill {
    min-height: 36px;
    font-size: 0.9rem;
  }

  .notice {
    padding: 16px;
  }

  .section-heading {
    text-align: left;
    margin-bottom: 30px;
  }

  .section-heading h2,
  .statement h2,
  .statement h1 {
    font-size: 1.85rem;
  }

  .card,
  .statement,
  .release-item {
    padding: 22px;
  }

  .step {
    grid-template-columns: 38px 1fr;
    padding: 18px;
  }

  .page-hero {
    padding: 50px 0 36px;
  }

  .page-hero .statement {
    text-align: left;
  }

  .footer-inner {
    flex-direction: column;
  }
}