/* Standalone public site. No app bundles, API, or build step required. */
:root {
  color-scheme: light;
  --ink: #061824;
  --muted: #545d68;
  --brand: #0066ff;
  --brand-dark: #0052cc;
  --line: #d6dde5;
  --bg: #f4f6f9;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP",
    "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 14px;
  line-height: 1.9;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
}
a,
button {
  -webkit-tap-highlight-color: transparent;
}
:focus-visible {
  outline: 3px solid var(--brand-dark);
  outline-offset: 4px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
button,
a {
  touch-action: manipulation;
}
.site-header {
  background: white;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1340px;
  margin: auto;
  padding: 24px 60px;
}
.brand {
  display: block;
  flex-shrink: 0;
  line-height: 0;
}
.brand img {
  display: block;
  width: 204px;
  height: auto;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 13px;
  font-weight: 600;
}
.site-header nav > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.site-header nav a:hover,
.site-header [aria-current],
.text-link,
.back-link {
  color: var(--brand-dark);
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  text-align: center;
}
.button.primary {
  color: white;
  background: var(--brand);
  border-color: var(--brand);
}
.button.primary:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
}
.button.secondary {
  color: var(--ink);
  background: white;
  border-color: #9eafbf;
}
.button.secondary:hover {
  background: #edf4ff;
}
.button.large {
  min-height: 48px;
  padding: 13px 24px;
  font-size: 14px;
}
.button > span {
  font-size: 18px;
  line-height: 1;
}
.site-main {
  max-width: 1220px;
  margin: 0 auto;
  padding: 56px 50px 64px;
}
.landing-layout {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 80px;
  align-items: center;
}
.eyebrow {
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.04em;
  color: var(--brand-dark);
}
.hero > .eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
}
.hero h1 {
  font-size: clamp(30px, 3.3vw, 42px);
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: -0.035em;
}
.hero h1 > span {
  color: var(--brand);
}
.hero-description {
  margin-top: 23px;
  color: #384754;
  line-height: 2;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 26px;
}
.prelaunch-label {
  font-size: 12px;
  color: var(--muted);
}
.product-preview {
  max-width: 460px;
  margin-top: 30px;
  border: 1px solid #b9c7d5;
  border-radius: 8px;
  background: white;
  overflow: hidden;
}
.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  background: var(--ink);
  color: white;
  font-size: 13px;
  font-weight: 600;
}
.preview-header small {
  color: #d4dce5;
  font-size: 11px;
  font-weight: 400;
}
.preview-record {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
}
.preview-record > span {
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 600;
}
.preview-record time {
  font-size: 29px;
  font-weight: 650;
  letter-spacing: -1px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.preview-record time small {
  font-size: 17px;
  color: var(--muted);
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
th,
td {
  padding: 10px 18px;
  border-bottom: 1px solid #e2e8ef;
  text-align: center;
}
th:first-child {
  width: 46%;
  text-align: left;
  font-weight: 400;
}
thead {
  background: var(--bg);
  color: var(--muted);
}
thead th {
  font-weight: 400;
}
td {
  font-weight: 600;
}
.current {
  background: #edf4ff;
}
.current > * {
  border: none;
}
.muted {
  color: var(--muted);
  font-weight: 400;
}
.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 16px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  font-size: 12px;
}
.hero-features li::before {
  content: "✓";
  margin-right: 6px;
  color: var(--brand-dark);
}
.steps {
  padding: 32px;
  background: white;
  border: 1px solid var(--line);
  border-top: 3px solid var(--brand);
  border-radius: 8px;
}
.steps h2 {
  margin: 18px 0 25px;
  font-size: 25px;
  line-height: 1.6;
}
.steps ol {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
}
.steps li {
  display: flex;
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.steps li:last-child {
  padding-bottom: 0;
}
.step-number {
  color: var(--brand-dark);
  font-size: 16px;
  font-weight: 650;
}
.steps h3 {
  font-size: 14px;
  font-weight: 650;
}
.steps li p {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  font-size: 13px;
  font-weight: 600;
}
.feature-section {
  margin-top: 72px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.feature-section h2 {
  font-size: 25px;
  margin-top: 10px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 28px;
}
.feature-grid h3 {
  font-size: 15px;
  margin-bottom: 10px;
}
.feature-grid p {
  font-size: 13px;
  color: var(--muted);
}
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 24px max(24px, calc((100vw - 1120px) / 2));
  background: white;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}
.site-footer > div {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 30px;
}
.site-footer nav {
  display: flex;
  gap: 22px;
}
.site-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.site-footer a:hover {
  color: var(--brand-dark);
}
.guide-main {
  max-width: 1080px;
}
.back-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  font-size: 13px;
}
.page-heading {
  margin: 24px 0 32px;
}
.page-heading h1 {
  font-size: 32px;
  margin: 6px 0;
}
.page-heading > p:last-child {
  color: var(--muted);
}
.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.guide-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
}
.guide-card h2 {
  font-size: 18px;
  margin: 12px 0;
}
.guide-card p {
  color: var(--muted);
  font-size: 13px;
}
.install-guide {
  margin-top: 32px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
}
.install-guide h2 {
  font-size: 23px;
  margin: 6px 0 12px;
}
.install-guide > p:not(.eyebrow),
.install-grid p {
  color: var(--muted);
  font-size: 13px;
}
.install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 24px 0;
}
.install-grid h3 {
  font-size: 14px;
  margin-bottom: 6px;
}
.faq {
  margin: 44px 0 30px;
}
.faq h2 {
  font-size: 24px;
  margin-bottom: 22px;
}
.faq details {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.faq details:last-child {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  min-height: 32px;
  padding: 3px 0;
}
.faq details p {
  color: var(--muted);
  font-size: 13px;
  margin: 10px 0 0;
}
.guide-actions {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}
.launch-dialog {
  width: min(480px, calc(100% - 32px));
  border: 1px solid #b9c7d5;
  border-radius: 8px;
  padding: 28px;
  color: var(--ink);
  background: white;
  max-height: calc(100dvh - 32px);
  overflow: auto;
  margin: auto;
}
.launch-dialog::backdrop {
  background: #06182466;
}
.launch-dialog h2 {
  font-size: 19px;
  line-height: 1.7;
}
.launch-dialog p {
  font-size: 13px;
  margin-top: 16px;
  color: var(--muted);
}
.launch-dialog form {
  display: flex;
  justify-content: flex-end;
  margin-top: 26px;
}
.noscript-notice {
  text-align: center;
  padding: 20px;
}
.visually-hidden,
.skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip-link:focus {
  display: block;
  padding: 12px;
  background: white;
}
@media (max-width: 1000px) {
  .header-inner {
    padding: 22px 32px;
  }
  .site-main {
    padding: 42px 32px;
  }
  .landing-layout {
    gap: 36px;
    grid-template-columns: 1.15fr 0.85fr;
  }
  .steps {
    padding: 24px;
  }
  .brand img {
    width: 184px;
  }
}
@media (max-width: 760px) {
  .header-inner {
    padding: 18px 24px;
    gap: 16px;
  }
  .site-header nav {
    gap: 16px;
  }
  .site-header .guide-link {
    display: none;
  }
  .landing-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .site-main {
    padding: 34px 24px 40px;
  }
  .hero h1 {
    font-size: 34px;
  }
  .hero-description {
    font-size: 13px;
  }
  .product-preview {
    max-width: none;
  }
  .steps h2 br {
    display: none;
  }
  .steps {
    padding: 26px;
  }
  .feature-section {
    margin-top: 42px;
    padding-top: 28px;
  }
  .feature-section h2 {
    font-size: 22px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .guide-grid,
  .install-grid {
    grid-template-columns: 1fr;
  }
  .page-heading h1 {
    font-size: 28px;
  }
  .install-guide {
    padding: 24px;
  }
}
@media (max-width: 420px) {
  .header-inner {
    padding: 16px;
    gap: 12px;
  }
  .brand img {
    width: 134px;
  }
  .site-header nav {
    gap: 12px;
    font-size: 12px;
  }
  .site-header .button {
    padding: 9px 12px;
    font-size: 12px;
    gap: 7px;
  }
  .site-main {
    padding: 30px 20px 36px;
  }
  .hero h1 {
    font-size: 29px;
  }
  .hero > .eyebrow {
    font-size: 11px;
  }
  .hero-actions {
    gap: 10px;
  }
  th,
  td {
    padding: 10px 12px;
  }
  .preview-record {
    padding: 14px 12px;
  }
  .preview-record time {
    font-size: 26px;
  }
  .steps {
    padding: 22px;
  }
  .launch-dialog {
    padding: 22px;
  }
  .launch-dialog h2 {
    font-size: 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
