@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;800&display=swap');

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Manrope', system-ui, sans-serif;
}

html[lang="ja"] body {
  font-family: 'Noto Sans JP', system-ui, sans-serif;
}

/* Avoid flash of untranslated content while locale JSON loads */
[data-i18n]:empty,
[data-i18n-html]:empty {
  min-height: 0.75em;
}

/* Header: transparent over the blue hero, solid white once scrolled */
#site-header {
  background: transparent;
}

#site-header.is-scrolled {
  background: #ffffff;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 8px 20px -8px rgba(15, 23, 42, 0.12);
}

#site-header .logo-solid {
  display: none;
}

#site-header.is-scrolled .logo-transparent {
  display: none;
}

#site-header.is-scrolled .logo-solid {
  display: block;
}

#site-header .nav-link {
  color: rgba(255, 255, 255, 0.9);
  border-bottom: 2px solid transparent;
}

#site-header .nav-link:hover {
  color: #ffffff;
}

#site-header .nav-link.active {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

#site-header.is-scrolled .nav-link {
  color: #475569;
}

#site-header.is-scrolled .nav-link:hover {
  color: #007CC2;
}

#site-header.is-scrolled .nav-link.active {
  color: #007CC2;
  border-bottom-color: #007CC2;
}

/* Language dropdown toggle button follows the header's transparent/solid state.
   The flyout menu itself is always a solid white card, so it isn't state-scoped. */
#site-header .lang-toggle {
  color: rgba(255, 255, 255, 0.92);
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
}

#site-header .lang-toggle:hover {
  background: rgba(255, 255, 255, 0.18);
}

#site-header.is-scrolled .lang-toggle {
  color: #334155;
  border-color: #E2E8F0;
  background: #ffffff;
}

#site-header.is-scrolled .lang-toggle:hover {
  background: #F8FAFC;
}

.lang-option.is-active {
  color: #007CC2;
  font-weight: 600;
}

.lang-option.is-active .lucide-check {
  display: block !important;
}

/* Fixed padding at all times so the header never reflows on scroll —
   only background/text color change between transparent and solid states. */
#site-header .cta-link {
  background: transparent;
  color: #ffffff;
  font-weight: 700;
}

#site-header .cta-link:hover {
  background: rgba(255, 255, 255, 0.15);
}

#site-header.is-scrolled .cta-link {
  background: #007CC2;
  color: #ffffff;
  font-weight: 600;
}

#site-header.is-scrolled .cta-link:hover {
  background: #0868A0;
}

#site-header .menu-btn-icon {
  color: #ffffff;
}

#site-header.is-scrolled .menu-btn-icon {
  color: #334155;
}

#site-header .menu-btn-icon:hover {
  background: rgba(255, 255, 255, 0.15);
}

#site-header.is-scrolled .menu-btn-icon:hover {
  background: #F1F5F9;
}