.public-site {
  --public-paper: #f6faf9;
  --public-ink: #06173f;
  --public-muted: #51666b;
  --public-line: #cbdad7;
  --public-teal: #087f83;
  background: var(--public-paper);
}

.public-site::before { display: none; }
.public-site .container { width: min(calc(100% - 56px), 1260px); }

.public-site .site-header {
  height: 72px;
  border-color: rgba(203, 218, 215, .9);
  background: rgba(246, 250, 249, .94);
}

.public-site .brand-link img { width: 136px; }
.public-site .site-nav { gap: 8px; }
.public-site .site-nav a {
  padding-inline: 13px;
  border-radius: 999px;
  color: #435b61;
  font-size: .94rem;
}
.public-site .site-nav a[aria-current="page"] { background: var(--public-ink); color: #fff; }

.public-site .page-hero {
  padding: clamp(64px, 8vw, 112px) 0 clamp(48px, 6vw, 80px);
  border-bottom: 1px solid var(--public-line);
  background: var(--public-paper);
}

.public-site .breadcrumbs { margin-bottom: 40px; }
.public-site .breadcrumbs a { color: var(--public-muted); }
.public-site .page-hero .eyebrow { margin-bottom: 18px; }
.public-site .page-hero h1 {
  max-width: 1080px;
  margin-bottom: 24px;
  color: var(--public-ink);
  font-size: clamp(3rem, 5.8vw, 5.25rem);
  line-height: .98;
  letter-spacing: -.065em;
}
.public-site .page-intro {
  max-width: 700px;
  margin: 0;
  color: var(--public-muted);
  font-size: clamp(1.08rem, 1.8vw, 1.3rem);
  line-height: 1.75;
}

.public-site .content-section { padding: clamp(52px, 7vw, 92px) 0 clamp(88px, 10vw, 140px); }
.public-site .reading-width { max-width: 860px; }
.public-site:not(.home-page) .content-section > .container.reading-width {
  margin-left: max(28px, calc((100vw - 1260px) / 2));
  margin-right: 0;
}
.public-site .content-stack { display: grid; gap: 0; }

.public-site .guide-list { border-top: 1px solid var(--public-line); }
.public-site .guide-step {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 28px;
  padding: 34px 0;
  border-bottom: 1px solid var(--public-line);
}
.public-site .path-number,
.public-site .guide-step .step-number {
  display: inline-grid;
  width: 40px;
  height: 40px;
  margin: 0;
  place-items: center;
  border-radius: 50%;
  background: #e5f2f0;
  color: var(--public-teal);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
}
.public-site .guide-step h2 { margin: 0 0 10px; color: var(--public-ink); font-size: clamp(1.45rem, 2.2vw, 2rem); }
.public-site .guide-step p { max-width: 720px; margin: 0; color: var(--public-muted); }

.public-site .page-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 42px;
}
.public-site .page-actions p { max-width: 560px; margin: 0; color: var(--public-muted); }

.public-site .release-list {
  border-top: 1px solid var(--public-line);
}
.public-site .release-step {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  align-items: start;
  gap: 28px;
  padding: 38px 0;
  border-bottom: 1px solid var(--public-line);
}
.public-site .release-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.public-site .release-heading h2 { margin: 0; color: var(--public-ink); font-size: clamp(1.7rem, 3vw, 2.7rem); }
.public-site .release-step p { max-width: 680px; margin: 12px 0 0; color: var(--public-muted); font-size: 1.08rem; }
.public-site .status-badge { flex: 0 0 auto; white-space: nowrap; }

.public-site .faq-list { border-top: 1px solid var(--public-line); }
.public-site .faq-list details {
  border: 0;
  border-bottom: 1px solid var(--public-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.public-site .faq-list summary {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 28px;
  padding: 26px 44px 26px 0;
  color: var(--public-ink);
  font-size: 1.12rem;
}
.public-site .faq-list details[open] summary { background: transparent; }
.public-site .faq-answer { padding: 0 0 28px 118px; color: var(--public-muted); }
.public-site .faq-answer p { max-width: 720px; margin: 0; }

.public-site .next-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--public-line);
  border-bottom: 1px solid var(--public-line);
}
.public-site .next-links a {
  display: grid;
  gap: 8px;
  min-height: 150px;
  padding: 30px;
  border-right: 1px solid var(--public-line);
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease;
}
.public-site .next-links a:last-child { border-right: 0; }
.public-site .next-links a:hover { background: #fff; }
.public-site .next-links strong { color: var(--public-ink); font-size: 1.2rem; }
.public-site .next-links span { color: var(--public-muted); }
.public-site .next-links b { align-self: end; color: var(--public-teal); font-size: 1.3rem; }

.public-site .home-next { padding: clamp(86px, 10vw, 150px) 0; background: var(--public-paper); }
.public-site .home-next h2 {
  max-width: 820px;
  margin: 0 0 52px;
  color: var(--public-ink);
  font-size: clamp(2.5rem, 5.2vw, 4.8rem);
  line-height: 1.04;
  letter-spacing: -.055em;
}

.public-site .site-footer {
  padding: 34px 0;
  background: #041431;
  color: #e8f5f3;
}
.public-site .footer-compact {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 36px;
}
.public-site .footer-compact img { width: 126px; filter: brightness(0) invert(1); }
.public-site .footer-nav { display: flex; justify-content: center; gap: 24px; }
.public-site .footer-nav a { color: #c6d9d6; text-decoration: none; }
.public-site .footer-nav a:hover { color: #fff; }
.public-site .footer-copy { color: #91aaa6; font-size: .9rem; white-space: nowrap; }

.public-site .not-found {
  min-height: calc(100vh - 72px - 116px);
  display: grid;
  place-items: center;
  padding: 80px 0;
  text-align: center;
}
.public-site .not-found h1 { margin-bottom: 18px; color: var(--public-ink); font-size: clamp(2.8rem, 7vw, 5.6rem); }
.public-site .not-found p { max-width: 580px; margin: 0 auto 30px; color: var(--public-muted); }

.line-support-launcher {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 45;
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  background: #06173f;
  box-shadow: 0 16px 40px rgba(6, 23, 63, .24);
  color: #fff;
  font: inherit;
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}
.line-support-launcher:hover {
  transform: translateY(-2px);
  background: #087f83;
  box-shadow: 0 20px 48px rgba(6, 23, 63, .3);
}
.line-support-launcher:focus-visible,
.line-support-close:focus-visible,
.line-support-action:focus-visible {
  outline: 3px solid #2dd4bf;
  outline-offset: 3px;
}
.line-support-launcher svg { width: 22px; height: 22px; flex: 0 0 auto; }

.line-support-dialog {
  position: fixed;
  inset: auto 24px 88px auto;
  width: min(380px, calc(100% - 48px));
  max-height: calc(100dvh - 116px);
  margin: 0;
  padding: 0;
  overflow: auto;
  border: 1px solid rgba(6, 23, 63, .12);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(6, 23, 63, .28);
  color: #06173f;
}
.line-support-dialog::backdrop {
  background: rgba(6, 23, 63, .28);
  backdrop-filter: blur(2px);
}
.line-support-panel { min-width: 0; }
.line-support-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 26px 20px;
  border-bottom: 1px solid #d8e5e2;
}
.line-support-kicker {
  display: block;
  margin-bottom: 7px;
  color: #087f83;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
}
.line-support-head h2 {
  margin: 0;
  color: #06173f;
  font-size: 1.45rem;
  line-height: 1.25;
  letter-spacing: -.025em;
}
.line-support-close {
  display: grid;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  margin: -8px -8px 0 0;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #51666b;
  cursor: pointer;
}
.line-support-close:hover { background: #edf5f3; color: #06173f; }
.line-support-close svg { width: 22px; height: 22px; }
.line-support-body {
  display: grid;
  justify-items: stretch;
  padding: 22px 26px 26px;
}
.line-support-body > p:first-child {
  margin: 0 0 20px;
  color: #51666b;
  line-height: 1.65;
}
.line-support-mobile-copy { display: none; }
.line-support-qr {
  display: grid;
  width: min(220px, 100%);
  aspect-ratio: 1;
  margin: 0 auto 20px;
  place-content: center;
  justify-items: center;
  gap: 8px;
  border: 1px dashed #9eb8b3;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(45, 212, 191, .1), transparent 58%),
    #f6faf9;
  color: #51666b;
  text-align: center;
}
.line-support-qr.has-image { border-style: solid; background: #fff; }
.line-support-qr img { display: block; width: 100%; height: 100%; border-radius: 17px; object-fit: contain; }
.line-support-qr-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 14px;
  background: #06173f;
  color: #2dd4bf;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-weight: 800;
  letter-spacing: .06em;
}
.line-support-qr strong { color: #06173f; font-size: .92rem; }
.line-support-qr small { color: #6f8380; font-size: .78rem; }
.line-support-action {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #06c755;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}
.line-support-action[aria-disabled="true"] {
  background: #d8e5e2;
  color: #6f8380;
  cursor: not-allowed;
}
.line-support-note {
  margin: 12px 0 0;
  color: #6f8380;
  font-size: .78rem;
  line-height: 1.5;
  text-align: center;
}

@media (max-width: 760px) {
  .public-site .container { width: min(calc(100% - 32px), 1260px); }
  .public-site:not(.home-page) .content-section > .container.reading-width { margin-left: 16px; }
  .public-site .page-hero { padding: 54px 0 42px; }
  .public-site .breadcrumbs { margin-bottom: 28px; }
  .public-site .page-hero h1 { font-size: clamp(2.55rem, 13vw, 4.25rem); }
  .public-site .guide-step { grid-template-columns: 1fr; gap: 10px; padding: 28px 0; }
  .public-site .page-actions { align-items: flex-start; flex-direction: column; }
  .public-site .release-step { grid-template-columns: 52px minmax(0, 1fr); gap: 14px; padding: 30px 0; }
  .public-site .release-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
  .public-site .faq-list summary { grid-template-columns: 52px minmax(0, 1fr); gap: 14px; padding: 24px 40px 24px 0; }
  .public-site .faq-answer { padding: 0 0 26px 66px; }
  .public-site .next-links { grid-template-columns: 1fr; }
  .public-site .next-links a { min-height: 120px; border-right: 0; border-bottom: 1px solid var(--public-line); }
  .public-site .next-links a:last-child { border-bottom: 0; }
  .public-site .footer-compact { grid-template-columns: 1fr; justify-items: start; gap: 22px; }
  .public-site .footer-nav { flex-wrap: wrap; justify-content: flex-start; gap: 12px 20px; }
  .public-site .footer-copy { white-space: normal; }
  .line-support-launcher { right: 16px; bottom: 16px; min-height: 48px; padding-inline: 16px; }
  .line-support-dialog {
    inset: auto 0 0 0;
    width: 100%;
    max-width: none;
    max-height: min(86dvh, 720px);
    border-width: 1px 0 0;
    border-radius: 24px 24px 0 0;
  }
  .line-support-head { padding: 24px 20px 18px; }
  .line-support-body { padding: 20px 20px max(24px, env(safe-area-inset-bottom)); }
  .line-support-desktop-copy,
  .line-support-qr { display: none; }
  .line-support-mobile-copy { display: inline; }
}

@media (prefers-reduced-motion: reduce) {
  .public-site .next-links a { transition: none; }
  .line-support-launcher { transition: none; }
}