.calendar-age-guide-page {
  min-width: 0;
  background:
    radial-gradient(circle at top left, rgba(111, 106, 168, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(80, 192, 171, 0.13), transparent 24%),
    linear-gradient(180deg, #f8f7fc 0%, #f1f0f7 100%);
}

.guide-site-header,
.guide-main {
  width: min(100% - 36px, 920px);
  margin-inline: auto;
}

.guide-site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
}

.guide-brand { display: inline-flex; align-items: center; gap: 12px; }
.guide-brand img { border-radius: 14px; box-shadow: 0 10px 24px rgba(47, 43, 92, 0.14); }
.guide-brand strong,
.guide-brand small { display: block; }
.guide-brand strong { font-family: "Outfit", "Noto Sans JP", sans-serif; }
.guide-brand small { color: var(--muted); font-size: 0.78rem; }

.guide-header-link {
  color: #56518f;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.breadcrumb { margin: 4px 0 12px; color: var(--muted); font-size: 0.88rem; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.breadcrumb li:not(:last-child)::after { content: ">"; margin-left: 6px; color: #9ca3af; }
.breadcrumb a,
.guide-document-footer a:not(.guide-cta) { color: #56518f; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

.operationDisclosure {
  margin: 0 0 18px;
  color: #5f676f;
  font-size: 0.8rem;
}

.guide-document {
  overflow: hidden;
  margin-bottom: 48px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 42px rgba(47, 43, 92, 0.12);
}

.guide-title,
.guide-document > section,
.guide-document-footer { padding: 30px clamp(22px, 5vw, 52px); }
.guide-title { background: linear-gradient(135deg, rgba(111, 106, 168, 0.1), rgba(80, 192, 171, 0.1)); }
.guide-title h1 { max-width: 760px; margin-bottom: 20px; font-size: clamp(1.8rem, 4.6vw, 3rem); }
.guide-title > p:not(.eyebrow) { max-width: 760px; color: #374151; }
.guide-document > section { border-top: 1px solid rgba(20, 33, 43, 0.09); }
.guide-document h2 { margin-bottom: 18px; color: #373369; font-size: clamp(1.28rem, 3vw, 1.7rem); }
.guide-document h3 { margin: 24px 0 10px; font-size: 1.08rem; }
.guide-document li + li { margin-top: 8px; }

.guide-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 12px;
  padding: 0 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #6f6aa8, #56518f);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 26px rgba(86, 81, 143, 0.24);
}

.guide-caution { background: #fffbeb; }
.faq-list { display: grid; gap: 14px; }
.faq-list section { padding: 18px 20px; border: 1px solid rgba(111, 106, 168, 0.16); border-radius: 16px; background: #faf9fd; }
.faq-list h3 { margin-top: 0; }
.faq-list p:last-child,
.guide-document-footer p:last-child { margin-bottom: 0; }
.guide-document-footer { border-top: 1px solid rgba(20, 33, 43, 0.09); text-align: center; }
.guide-document-footer p { margin-top: 22px; color: var(--muted); font-size: 0.9rem; }
.guide-cta:hover { transform: translateY(-1px); }

.guide-cta:focus-visible,
.guide-header-link:focus-visible,
.breadcrumb a:focus-visible,
.guide-document-footer a:focus-visible { outline: 3px solid rgba(111, 106, 168, 0.38); outline-offset: 4px; }

@media (max-width: 640px) {
  .guide-site-header,
  .guide-main { width: min(100% - 24px, 920px); }
  .guide-site-header { align-items: flex-start; padding: 16px 0; }
  .guide-header-link { max-width: 150px; text-align: right; }
  .guide-document { border-radius: 22px; }
  .guide-title,
  .guide-document > section,
  .guide-document-footer { padding: 24px 18px; }
  .guide-cta { width: 100%; padding-inline: 16px; text-align: center; }
}