/* Gantomo 共通ブランド */
:root {
  --g-bg: #fffaf5;
  --g-bg-soft: #fff3e8;
  --g-bg-dark: #3d2a1a;
  --g-ink: #4a3f35;
  --g-ink-muted: #6b5f54;
  --g-ink-light: #8a7d70;
  --g-accent: #e8882e;
  --g-accent-hover: #c45c2a;
  --g-accent-soft: #ffe8d6;
  --g-warm: #d2783c;
  --g-warm-soft: #fff3e8;
  --g-lavender: #9a7f96;
  --g-line: rgba(74, 63, 53, 0.1);
  --g-accent-glow: rgba(232, 136, 46, 0.18);
  --g-radius: 16px;
  --g-radius-sm: 10px;
  --g-shadow: 0 4px 20px rgba(74, 63, 53, 0.08);
  --g-font-sans: "Noto Sans JP", system-ui, sans-serif;
  --g-font-serif: "Noto Serif JP", serif;
  --g-crossnav-height: 56px;
  --g-site-header-height: 67px;
}

/* LP .hero-bg / 掲示板 .gantomo-page-bg と同一 */
.gantomo-page-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: min(88vh, 820px);
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.gantomo-page-bg--below-nav {
  top: var(--g-crossnav-height);
  height: min(calc(88vh - var(--g-crossnav-height)), 764px);
}

.gantomo-page-bg__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 50% -20%, var(--g-accent-glow) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 50%, rgba(122, 111, 150, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 40% 35% at 0% 80%, rgba(184, 149, 106, 0.1) 0%, transparent 45%);
}

.gantomo-page-bg__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--g-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--g-line) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.35) 0%, transparent 75%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.35) 0%, transparent 75%);
}

.gantomo-crossnav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.65rem;
  flex-wrap: nowrap;
  min-height: var(--g-crossnav-height);
  padding: 0.5rem 1.25rem;
  margin: 0;
  overflow: visible;
  box-sizing: border-box;
  background: linear-gradient(180deg, #faf6f0 0%, var(--g-bg-soft) 100%);
  border-bottom: 1px solid var(--g-line);
  box-shadow: none;
  font-family: var(--g-font-sans);
  font-size: 1.1rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.gantomo-crossnav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-width: 6.5rem;
  min-height: 42px;
  margin: 0;
  padding: 0.5rem 1.25rem;
  box-sizing: border-box;
  color: var(--g-ink-muted);
  text-decoration: none;
  border-radius: 999px;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.04em;
  white-space: nowrap;
  border: 2px solid transparent;
  box-shadow: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.gantomo-crossnav a .g-nav-ico {
  font-size: 1.15rem;
  line-height: 1;
  transition: transform 0.25s ease;
}

.gantomo-crossnav a {
  position: relative;
}

.gantomo-nav-badge {
  position: absolute;
  top: 2px;
  right: 4px;
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.3rem;
  border-radius: 999px;
  background: #c45c4a;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  line-height: 1.15rem;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  pointer-events: none;
}

.gantomo-nav-badge[hidden] {
  display: none;
}

.gantomo-crossnav a[data-gnav="top"]:hover {
  color: var(--g-accent);
  background: var(--g-accent-soft);
  border-color: rgba(74, 124, 98, 0.25);
}

.gantomo-crossnav a[data-gnav="mypage"]:hover {
  color: #3d6a53;
  background: #e3efe8;
  border-color: rgba(74, 124, 98, 0.3);
}

.gantomo-crossnav a[data-gnav="forum"]:hover {
  color: #8a6b42;
  background: var(--g-warm-soft);
  border-color: rgba(184, 149, 106, 0.35);
}

.gantomo-crossnav a[data-gnav="chat"]:hover {
  color: #5e5478;
  background: #ede8f2;
  border-color: rgba(122, 111, 150, 0.3);
}

@media (prefers-reduced-motion: no-preference) {
  .gantomo-crossnav a:hover {
    transform: translateY(-2px) rotate(-1deg);
  }

  .gantomo-crossnav a:hover .g-nav-ico {
    transform: scale(1.15) rotate(8deg);
  }

  .gantomo-crossnav a.is-active {
    transform: scale(1.03);
  }

  .gantomo-crossnav a.g-nav-wiggle {
    animation: g-nav-wiggle 0.42s ease;
  }

  @keyframes g-nav-wiggle {
    0%, 100% { transform: translateY(0) rotate(0); }
    20% { transform: translateY(-2px) rotate(-3deg); }
    40% { transform: translateY(-1px) rotate(3deg); }
    60% { transform: translateY(-2px) rotate(-2deg); }
    80% { transform: translateY(0) rotate(1deg); }
  }
}

.gantomo-crossnav a.is-active {
  color: #2d5240;
  background: #fff;
  border-color: rgba(74, 124, 98, 0.35);
  box-shadow: 0 4px 14px rgba(26, 24, 22, 0.08);
}

.gantomo-crossnav a[data-gnav="mypage"].is-active {
  color: #2d5240;
  border-color: rgba(74, 124, 98, 0.4);
}

.gantomo-crossnav a[data-gnav="forum"].is-active {
  color: #7a5f3a;
  border-color: rgba(184, 149, 106, 0.45);
}

.gantomo-crossnav a[data-gnav="chat"].is-active {
  color: #5e5478;
  border-color: rgba(122, 111, 150, 0.4);
}

.gantomo-nav-spacer {
  flex: 1 1 auto;
  min-width: 0.25rem;
}

.gantomo-crossnav a.gantomo-nav-login {
  background: linear-gradient(145deg, #ffb347 0%, #e8882e 50%, #d2783c 100%);
  color: #fff !important;
  border: none !important;
  box-shadow: 0 2px 10px rgba(211, 120, 60, 0.35);
}

.gantomo-crossnav a.gantomo-nav-login:hover,
.gantomo-crossnav a.gantomo-nav-login:focus-visible {
  color: #fff !important;
  filter: brightness(1.05);
  background: linear-gradient(145deg, #ffb347 0%, #e8882e 50%, #d2783c 100%);
  border: none !important;
}

.gantomo-crossnav a.gantomo-nav-login .g-nav-ico {
  color: inherit;
}

.gantomo-crossnav .gantomo-nav-auth {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.gantomo-crossnav a.gantomo-nav-user,
.gantomo-crossnav span.gantomo-nav-user,
.site-header .nav-cta.gantomo-nav-user {
  margin-left: 0;
  background: rgba(74, 124, 98, 0.12);
  color: #3d6a53 !important;
  border: 1px solid rgba(74, 124, 98, 0.35) !important;
  cursor: default;
  pointer-events: none;
  font-weight: 600;
}

.gantomo-crossnav a.gantomo-nav-admin {
  background: rgba(74, 124, 98, 0.14) !important;
  color: #2f5a45 !important;
  border: 1px solid rgba(74, 124, 98, 0.4) !important;
  border-radius: 999px;
  box-shadow: none !important;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
}

.gantomo-crossnav a.gantomo-nav-admin:hover {
  background: rgba(74, 124, 98, 0.22) !important;
  color: #234a38 !important;
}

.gantomo-crossnav a.gantomo-nav-logout {
  background: transparent !important;
  color: var(--g-ink-muted, #5c5651) !important;
  border: 1px solid rgba(92, 86, 81, 0.25) !important;
  box-shadow: none !important;
  font-size: 0.82rem;
  padding: 0.45rem 0.85rem;
}

.gantomo-crossnav a.gantomo-nav-logout:hover {
  color: var(--g-ink, #1a1816) !important;
  background: rgba(92, 86, 81, 0.06) !important;
  border-color: rgba(92, 86, 81, 0.35) !important;
}

.gantomo-auth-status {
  cursor: default;
  pointer-events: none;
}

.gantomo-crossnav .sep {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  color: var(--g-warm);
  opacity: 0.55;
  user-select: none;
  font-size: 0.75rem;
  line-height: 1;
}

/* === 統一サイトヘッダー（全ページ共通） === */
.gantomo-site-header,
.site-header.gantomo-site-header {
  position: relative;
  z-index: 100;
  background: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: none;
}

.gantomo-site-header .header-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--g-site-header-height, 67px);
  box-sizing: border-box;
}

.gantomo-site-header .logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--g-ink, #1a1816);
}

.gantomo-site-header .logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--g-accent, #4a7c62) 0%, #6a9f82 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px var(--g-accent-glow, rgba(74, 124, 98, 0.15));
  flex-shrink: 0;
}

.gantomo-site-header .logo-mark svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: #fff;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.gantomo-site-header .logo-text {
  font-family: var(--g-font-serif, "Noto Serif JP", serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.gantomo-site-header .gantomo-crossnav {
  border-top: none;
  border-bottom: 1px solid var(--g-line, rgba(26, 24, 22, 0.08));
}

.gantomo-site-header-slot {
  position: relative;
  z-index: 1200;
}

.gantomo-site-header-slot--fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
}

/* === サイト UI v20260709 === */
.gantomo-toast-host {
  position: fixed;
  top: calc(var(--g-site-header-height, 67px) + var(--g-crossnav-height, 56px) + 0.75rem);
  right: 1rem;
  z-index: 13000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.gantomo-toast {
  max-width: min(22rem, calc(100vw - 2rem));
  padding: 0.85rem 1.1rem;
  border-radius: 12px;
  background: #1e2a24;
  color: #fff;
  font-family: var(--g-font-sans);
  font-size: 0.92rem;
  line-height: 1.5;
  box-shadow: 0 10px 28px rgba(26, 24, 22, 0.18);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.gantomo-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.gantomo-toast--success {
  background: linear-gradient(145deg, #ffb347 0%, #d2783c 100%);
}

.gantomo-lp-member {
  background: linear-gradient(180deg, #eef5f0 0%, #faf8f5 100%);
  border-bottom: 1px solid var(--g-line);
}

.gantomo-lp-member-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.gantomo-lp-member-main {
  flex: 1 1 16rem;
  min-width: 0;
}

.gantomo-lp-member-text {
  margin: 0;
  font-family: var(--g-font-sans);
  font-size: 0.95rem;
  color: var(--g-ink-muted);
}

.gantomo-lp-member-text strong {
  color: var(--g-ink);
}

.gantomo-lp-member-unread {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.82rem;
  color: var(--g-accent-hover);
}

.gantomo-lp-member-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.gantomo-lp-member .btn-sm {
  padding: 0.45rem 0.95rem;
  font-size: 0.85rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}

.gantomo-lp-member .btn-primary {
  background: linear-gradient(145deg, #4a7c62 0%, #3d6a53 100%);
  color: #fff;
}

.gantomo-lp-member .btn-secondary {
  background: #fff;
  color: var(--g-ink);
  border: 1px solid var(--g-line);
}

.gantomo-lp-guest {
  background: linear-gradient(180deg, #f5ede3 0%, #faf8f5 100%);
  border-bottom: 1px solid var(--g-line);
}

/* ログイン後は JS に加え CSS でもゲストバーを確実に非表示 */
html.gantomo-logged-in .gantomo-lp-guest,
#gantomo-lp-guest[hidden] {
  display: none !important;
}

html:not(.gantomo-logged-in) #gantomo-lp-member {
  display: none !important;
}

html.gantomo-logged-in #gantomo-lp-member {
  display: block !important;
}

html.gantomo-logged-in .hero-login-note,
html.gantomo-logged-in .gantomo-release-banner {
  display: none !important;
}

.gantomo-lp-guest-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.gantomo-lp-guest-text {
  margin: 0;
  font-size: 0.92rem;
  color: var(--g-ink-muted);
}

.gantomo-lp-guest-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.gantomo-continue-link {
  display: inline-flex;
  align-items: center;
  margin-top: 0.35rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(74, 124, 98, 0.1);
  color: var(--g-accent-hover);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
}

.gantomo-continue-link:hover {
  background: rgba(74, 124, 98, 0.18);
}

.gantomo-lp-notify-preview {
  width: 100%;
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.gantomo-lp-notify-preview a {
  display: block;
  padding: 0.4rem 0.65rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--g-ink);
  font-size: 0.82rem;
  text-decoration: none;
  border: 1px solid var(--g-line);
}

.gantomo-lp-notify-preview a:hover {
  border-color: rgba(74, 124, 98, 0.35);
  color: var(--g-accent-hover);
}

.gantomo-release-banner {
  background: linear-gradient(90deg, #eef5f0 0%, #f5ede3 100%);
  border-bottom: 1px solid var(--g-line);
}

.gantomo-release-banner-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--g-font-sans);
}

.gantomo-release-banner-title {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--g-accent-hover);
  white-space: nowrap;
}

.gantomo-release-banner ul {
  margin: 0;
  padding: 0 0 0 1.1rem;
  flex: 1 1 12rem;
  font-size: 0.82rem;
  color: var(--g-ink-muted);
  line-height: 1.5;
}

.gantomo-release-dismiss {
  margin-left: auto;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(74, 124, 98, 0.35);
  background: #fff;
  color: var(--g-accent-hover);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.gantomo-release-dismiss:hover {
  background: var(--g-accent-soft);
}

.gantomo-toast--welcome {
  background: linear-gradient(145deg, #5a8f72 0%, #4a7c62 100%);
}

.gantomo-continue-mypage {
  margin-top: 0.75rem;
}

.gantomo-daily-message {
  margin: 0.75rem 0 0;
  padding: 0.65rem 1rem;
  border-radius: 12px;
  background: rgba(74, 124, 98, 0.1);
  border: 1px solid rgba(74, 124, 98, 0.2);
  color: var(--g-accent-hover);
  font-size: 0.92rem;
  line-height: 1.6;
}

.gantomo-scroll-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 12000;
  width: 2.75rem;
  height: 2.75rem;
  border: none;
  border-radius: 999px;
  background: linear-gradient(145deg, #4a7c62 0%, #3d6a53 100%);
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(74, 124, 98, 0.35);
  transition: transform 0.2s, filter 0.2s;
}

.gantomo-scroll-top:hover {
  filter: brightness(1.06);
  transform: translateY(-2px);
}

.gantomo-scroll-top[hidden] {
  display: none;
}