/* =========================================================
   mopponpon — layout.css (v5.0.0 / Blue Gradient World)
   ========================================================= */

/* ===== Site Header ===== */

.site-header,
.moppo-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 0.5px solid var(--moppo-blue-200);
  height: 56px;
}

.site-header .container,
.moppo-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

/* === Logo === */

.site-logo,
.moppo-header__logo {
  display: flex;
  align-items: center;
  gap: var(--moppo-space-2);
  text-decoration: none;
  line-height: 1.2;
}

.moppo-header__logo-mark {
  width: 28px;
  height: 28px;
  background: var(--moppo-grad-primary) url('../img/brand/favicon.svg') center / cover no-repeat;
  border-radius: var(--moppo-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.moppo-header__logo-text,
.site-logo .logo-text {
  font-size: 16px;
  font-weight: 500;
  color: var(--moppo-blue-900);
  letter-spacing: -0.01em;
  font-family: var(--moppo-font-jp);
}

.site-logo .logo-sub {
  font-size: 11px;
  font-weight: 400;
  color: var(--moppo-text-sub);
  margin-top: 2px;
}

.site-logo img {
  height: 28px;
  width: auto;
}

.silo-emoji {
  display: inline-block;
  width: 18px;
  text-align: center;
  margin-right: 4px;
}

/* === Navigation === */

.nav-main,
.moppo-header__nav {
  display: flex;
  align-items: center;
  gap: var(--moppo-space-5);
}

.nav-main a,
.moppo-header__nav a {
  font-size: 13px;
  font-weight: 500;
  color: var(--moppo-blue-600);
  padding: 6px 12px;
  border-radius: var(--moppo-radius-sm);
  transition: color var(--moppo-duration) var(--moppo-ease), background var(--moppo-duration) var(--moppo-ease);
  text-decoration: none;
}

.nav-main a:hover,
.moppo-header__nav a:hover {
  color: var(--moppo-blue-500);
  background: var(--moppo-blue-50);
}

.nav-main a.current {
  color: var(--moppo-blue-500);
  background: var(--moppo-blue-50);
}

/* Nav Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-trigger { cursor: pointer; }
.nav-dropdown-trigger::after {
  content: '\25BE';
  font-size: 10px;
  margin-left: 3px;
  opacity: 0.4;
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--moppo-white);
  border: 0.5px solid var(--moppo-blue-200);
  border-radius: var(--moppo-radius-md);
  padding: 8px 0;
  min-width: 200px;
  box-shadow: var(--moppo-shadow-md);
  z-index: 110;
}

.nav-dropdown:hover .nav-dropdown-menu { display: block; }

.nav-dropdown-menu a {
  display: block;
  font-size: 14px;
  padding: 8px 16px;
  color: var(--moppo-text-sub);
  white-space: nowrap;
}

.nav-dropdown-menu a:hover {
  color: var(--moppo-blue-500);
  background: var(--moppo-blue-50);
}

/* Nav CTA */
.btn-nav-cta {
  background: var(--moppo-grad-primary) !important;
  color: var(--moppo-white) !important;
  font-weight: 500 !important;
  border-radius: var(--moppo-radius-pill) !important;
  padding: 8px 20px !important;
  margin-left: 8px;
}

.btn-nav-cta:hover {
  box-shadow: 0 4px 12px rgba(55, 138, 221, 0.3) !important;
}

/* === Hamburger toggle === */

.nav-toggle {
  display: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--moppo-radius-sm);
  background: none;
  border: none;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--moppo-text);
  position: relative;
  transition: all 0.2s;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: var(--moppo-text);
  transition: all 0.2s;
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* === Mobile Navigation === */

@media (max-width: 767px) {
  body.nav-open {
    overflow: hidden;
  }

  .nav-toggle { display: flex; }

  .nav-toggle[aria-expanded="true"] span {
    background: transparent;
  }

  .nav-toggle[aria-expanded="true"] span::before {
    top: 0;
    transform: rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .nav-main,
  .moppo-header__nav {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    gap: 0;
    background: var(--moppo-white);
    padding: 16px 24px;
    border-top: 0.5px solid var(--moppo-blue-200);
    z-index: 99;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .nav-main.open,
  .moppo-header__nav.open { display: flex; }

  .nav-main a,
  .nav-main .nav-dropdown-trigger,
  .moppo-header__nav a {
    font-size: 15px;
    padding: 14px 0;
    border-bottom: 0.5px solid var(--moppo-border);
    border-radius: 0;
    width: 100%;
  }

  .nav-dropdown { width: 100%; }
  .nav-dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    display: block;
    padding: 0 0 0 16px;
    min-width: 0;
  }

  .nav-dropdown-menu a {
    font-size: 14px;
    padding: 10px 0;
    border-bottom: 0.5px solid var(--moppo-border);
  }

  .btn-nav-cta {
    margin: 16px 0 0 !important;
    text-align: center;
    display: block !important;
  }
}

/* ===== Main Content ===== */

.site-main {
  min-height: calc(100vh - 56px - 200px);
}

/* ===== Page Header ===== */

.page-header {
  text-align: center;
  padding: 56px 0 40px;
}

.page-header h1 {
  margin-bottom: 8px;
}

.page-header p {
  font-size: 14px;
  color: var(--moppo-text-sub);
}

/* ===== Two Column Layout ===== */

.layout-2col {
  display: grid;
  grid-template-columns: 1fr var(--moppo-sidebar-width);
  gap: var(--moppo-gutter);
  align-items: start;
}

@media (max-width: 767px) {
  .layout-2col { grid-template-columns: 1fr; }
}

/* ===== Sidebar ===== */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar .widget {
  background: var(--moppo-white);
  border: 0.5px solid var(--moppo-blue-200);
  border-radius: var(--moppo-radius-md);
  padding: 20px;
}

.sidebar .widget-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--moppo-blue-900);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 0.5px solid var(--moppo-blue-200);
}

/* ===== Footer ===== */

.site-footer {
  background: var(--moppo-white);
  color: var(--moppo-text-sub);
  padding: 80px 0 24px;
  border-top: 0.5px solid var(--moppo-blue-200);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 64px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .logo-text {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--moppo-blue-900);
  text-decoration: none;
}

.footer-brand p {
  font-size: 14px;
  color: var(--moppo-text-sub);
  line-height: 1.9;
}

.footer-nav {
  display: flex;
  gap: 64px;
}

.footer-nav-col h4 {
  font-family: var(--moppo-font-en);
  font-size: 12px;
  font-weight: 500;
  color: var(--moppo-text-sub);
  margin-bottom: 16px;
}

.footer-nav-col a {
  display: block;
  font-size: 14px;
  color: var(--moppo-text-sub);
  padding: 6px 0;
  text-decoration: none;
  transition: color var(--moppo-duration) var(--moppo-ease);
}

.footer-nav-col a:hover {
  color: var(--moppo-blue-500);
}

.footer-legal {
  padding: 24px 0;
  border-top: 0.5px solid var(--moppo-blue-200);
}

.footer-legal-heading {
  font-family: var(--moppo-font-en);
  font-size: 12px;
  font-weight: 500;
  color: var(--moppo-text-sub);
  margin-bottom: 14px;
}

.footer-legal-warning {
  font-size: 12px;
  font-weight: 500;
  color: var(--moppo-text);
  margin-bottom: 6px;
}

.footer-legal p {
  font-size: 12px;
  color: var(--moppo-text-sub);
  line-height: 1.9;
  margin-bottom: 4px;
}

.footer-legal a {
  color: var(--moppo-blue-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-legal a:hover {
  color: var(--moppo-blue-600);
}

.footer-bottom {
  font-family: var(--moppo-font-en);
  text-align: left;
  padding-top: 20px;
  border-top: 0.5px solid var(--moppo-blue-200);
  font-size: 12px;
  color: var(--moppo-text-sub);
}

@media (max-width: 767px) {
  .footer-inner {
    flex-direction: column;
    gap: 32px;
  }

  .footer-brand { max-width: none; }

  .footer-nav {
    gap: 32px;
    flex-wrap: wrap;
  }
}

@media (max-width: 767px) {
  .footer-nav {
    flex-direction: column;
    gap: 24px;
  }
}

/* ===== Breadcrumb ===== */

.breadcrumb {
  font-size: 12px;
  color: var(--moppo-text-sub);
  margin-bottom: var(--moppo-space-4);
  padding: var(--moppo-space-3) 0;
}

.breadcrumb a {
  color: var(--moppo-blue-600);
  text-decoration: none;
  transition: color var(--moppo-duration) var(--moppo-ease);
}

.breadcrumb a:hover {
  color: var(--moppo-blue-500);
}

.breadcrumb span {
  margin: 0 var(--moppo-space-2);
  color: var(--moppo-blue-200);
}

/* ===== Pagination ===== */

.pagination {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-top: 40px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--moppo-font-en);
  border: 0.5px solid var(--moppo-blue-200);
  border-radius: var(--moppo-radius-sm);
  color: var(--moppo-text-sub);
  text-decoration: none;
  transition: all var(--moppo-duration) var(--moppo-ease);
}

.pagination .current {
  background: var(--moppo-grad-primary);
  color: var(--moppo-white);
  border-color: transparent;
}

.pagination a:hover {
  border-color: var(--moppo-blue-500);
  color: var(--moppo-blue-500);
}

/* ===== Section Utility ===== */

.bg-alt { background: var(--moppo-blue-50); }
.bg-soft { background: var(--moppo-off); }