.guide-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px 0 70px;
}

.guide-hero {
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    radial-gradient(circle at 90% 10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 34%),
    var(--surface);
}

.guide-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(34px, 6vw, 54px);
  letter-spacing: -.04em;
}

.guide-hero p {
  max-width: 680px;
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.guide-hero small {
  color: var(--muted);
  font-size: 11px;
}

.guide-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 30px;
  align-items: start;
  margin-top: 28px;
}

.guide-toc {
  position: sticky;
  top: 96px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}

.guide-toc > strong {
  display: block;
  margin-bottom: 12px;
  font-size: 14px;
}

.guide-toc nav {
  display: grid;
  gap: 3px;
}

.guide-toc a {
  padding: 8px 9px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
}

.guide-toc a:hover {
  background: var(--soft);
  color: var(--text);
}

.guide-body {
  min-width: 0;
}

.guide-body > section {
  scroll-margin-top: 90px;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.guide-body > section + section {
  margin-top: 16px;
}

.guide-body h2 {
  margin: 0 0 15px;
  font-size: 24px;
}

.guide-body p,
.guide-body li,
.guide-body dd {
  line-height: 1.85;
}

.guide-body p,
.guide-body ul,
.guide-body ol {
  color: var(--muted);
}

.guide-body ul,
.guide-body ol {
  padding-left: 22px;
}

.guide-note {
  margin-top: 16px;
  padding: 14px 16px;
  border-left: 3px solid var(--accent);
  border-radius: 4px 12px 12px 4px;
  background: color-mix(in srgb, var(--accent) 7%, var(--surface));
  color: var(--text);
  font-size: 13px;
  line-height: 1.75;
}

.guide-faq {
  margin: 0;
}

.guide-faq dt {
  margin-top: 18px;
  font-weight: 700;
}

.guide-faq dt:first-child {
  margin-top: 0;
}

.guide-faq dd {
  margin: 5px 0 0;
  color: var(--muted);
}

.guide-footer {
  margin-top: 18px;
  padding: 22px 4px;
}

.guide-footer p {
  margin: 6px 0 0;
}

.guide-footer a {
  color: var(--accent);
  text-decoration: underline;
}

@media (max-width: 820px) {
  .guide-page {
    padding-top: 18px;
  }

  .guide-layout {
    display: block;
    margin-top: 18px;
  }

  .guide-toc {
    position: static;
    margin-bottom: 16px;
    overflow-x: auto;
  }

  .guide-toc nav {
    display: flex;
    gap: 5px;
    min-width: max-content;
  }

  .guide-toc a {
    border: 1px solid var(--line);
    white-space: nowrap;
  }

  .guide-body > section {
    padding: 22px 18px;
    border-radius: 15px;
  }
}