/* ========================================
   4周年祭 告知バナー（トップページ用）
   イベント終了後はこのファイルを削除し、
   functions.php の読み込み行も削除してください。
   ======================================== */

/* --- ヒーロー直下バナー --- */
.p-anniv-banner {
  display: block;
  text-decoration: none;
  background: linear-gradient(135deg, #2E7D32 0%, #388E3C 30%, #43A047 60%, #2E7D32 100%);
  background-size: 200% 200%;
  animation: annivBannerBg 4s ease infinite;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(46, 125, 50, 0.3);
}

@keyframes annivBannerBg {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.p-anniv-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  animation: annivBannerShine 3s ease-in-out infinite;
}

@keyframes annivBannerShine {
  0% { left: -100%; }
  100% { left: 100%; }
}

.p-anniv-banner__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
  z-index: 1;
}

.p-anniv-banner__badge {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #FFD700, #FFA000);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(255, 215, 0, 0.5);
  animation: annivBadgePulse 2s ease infinite;
}

@keyframes annivBadgePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.p-anniv-banner__badge-num {
  font-size: 28px;
  font-weight: 900;
  color: #333;
  line-height: 1;
}

.p-anniv-banner__badge-text {
  font-size: 11px;
  font-weight: 700;
  color: #555;
  line-height: 1;
  margin-top: 1px;
}

.p-anniv-banner__body {
  flex: 1;
  min-width: 0;
}

.p-anniv-banner__title {
  margin: 0 0 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.p-anniv-banner__title-main {
  font-size: 13px;
  font-weight: 600;
  opacity: 0.9;
  letter-spacing: 0.05em;
}

.p-anniv-banner__title-event {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.p-anniv-banner__meta {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.p-anniv-banner__date {
  font-size: 16px;
  font-weight: 800;
  color: #FFD700;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.p-anniv-banner__date small {
  font-size: 12px;
  font-weight: 600;
}

.p-anniv-banner__sep {
  font-size: 14px;
  opacity: 0.5;
}

.p-anniv-banner__highlights {
  font-size: 13px;
  font-weight: 600;
  opacity: 0.9;
  letter-spacing: 0.05em;
}

.p-anniv-banner__cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  background: #fff;
  color: #2E7D32;
  font-size: 14px;
  font-weight: 700;
  border-radius: 50px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  white-space: nowrap;
}

.p-anniv-banner:hover .p-anniv-banner__cta {
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.p-anniv-banner__cta-arrow {
  transition: transform 0.3s ease;
}

.p-anniv-banner:hover .p-anniv-banner__cta-arrow {
  transform: translateX(3px);
}

/* SP */
@media (max-width: 768px) {
  .p-anniv-banner__inner {
    padding: 16px;
    gap: 12px;
    flex-wrap: wrap;
  }

  .p-anniv-banner__badge {
    width: 52px;
    height: 52px;
  }

  .p-anniv-banner__badge-num {
    font-size: 22px;
  }

  .p-anniv-banner__badge-text {
    font-size: 10px;
  }

  .p-anniv-banner__title-main {
    font-size: 11px;
  }

  .p-anniv-banner__title-event {
    font-size: 18px;
  }

  .p-anniv-banner__date {
    font-size: 14px;
  }

  .p-anniv-banner__highlights {
    font-size: 12px;
  }

  .p-anniv-banner__cta {
    width: 100%;
    justify-content: center;
    padding: 12px 20px;
    font-size: 15px;
  }
}

/* --- フローティングバナー --- */
.p-anniv-float {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  z-index: 9999;
  width: calc(100% - 32px);
  max-width: 520px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18), 0 2px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s ease;
  opacity: 0;
  border: 2px solid #4CAF50;
}

.p-anniv-float.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.p-anniv-float.is-hidden {
  transform: translateX(-50%) translateY(120%);
  opacity: 0;
  pointer-events: none;
}

.p-anniv-float__close {
  position: absolute;
  top: 6px;
  right: 8px;
  width: 28px;
  height: 28px;
  background: rgba(0, 0, 0, 0.06);
  border: none;
  border-radius: 50%;
  font-size: 18px;
  line-height: 1;
  color: #999;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
  z-index: 2;
  padding: 0;
}

.p-anniv-float__close:hover {
  background: rgba(0, 0, 0, 0.12);
  color: #666;
}

.p-anniv-float__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  text-decoration: none;
  color: #333;
  transition: background 0.2s ease;
}

.p-anniv-float__link:hover {
  background: #f8f8f8;
}

.p-anniv-float__icon {
  font-size: 28px;
  flex-shrink: 0;
  animation: annivFloatBounce 2s ease infinite;
}

@keyframes annivFloatBounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15) rotate(-5deg); }
}

.p-anniv-float__text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.p-anniv-float__text strong {
  font-size: 16px;
  font-weight: 800;
  color: #2E7D32;
}

.p-anniv-float__text span {
  font-size: 13px;
  color: #666;
  font-weight: 500;
}

.p-anniv-float__btn {
  flex-shrink: 0;
  padding: 8px 18px;
  background: linear-gradient(135deg, #4CAF50, #2E7D32);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border-radius: 50px;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 2px 8px rgba(46, 125, 50, 0.3);
}

.p-anniv-float__link:hover .p-anniv-float__btn {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.4);
}

/* SP */
@media (max-width: 768px) {
  .p-anniv-float {
    bottom: 12px;
    width: calc(100% - 24px);
    border-radius: 12px;
  }

  .p-anniv-float__link {
    padding: 12px 14px;
    gap: 10px;
  }

  .p-anniv-float__icon {
    font-size: 24px;
  }

  .p-anniv-float__text strong {
    font-size: 14px;
  }

  .p-anniv-float__text span {
    font-size: 12px;
  }

  .p-anniv-float__btn {
    padding: 7px 14px;
    font-size: 12px;
  }
}