/* =====================================================
   Fixed Sidebar (PC)
   ===================================================== */
/* モバイルでは非表示 */
.fixed-sidebar {
  display: none;
}

/* PCでのみ表示 */
@media (min-width: 768px) {
  .fixed-sidebar {
    display: flex;
    flex-direction: column;
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%) translateX(120%);
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    box-shadow: var(--shadow-2xl);
    border-radius: var(--radius-2xl) 0 0 var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    width: 60px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.8s ease-in-out, width 0.3s ease;
    pointer-events: none;
  }

  .fixed-sidebar.show {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(-50%) translateX(0) !important;
    pointer-events: auto !important;
    width: 60px;
  }

  .fixed-sidebar.show:hover {
    width: 160px;
    transform: translateY(-50%) translateX(-4px) !important;
  }
}

.fixed-sidebar__header {
  padding: var(--spacing-3) 0;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-600)
  );
  color: var(--color-text-inverse);
  text-align: center;
  border-bottom: 1px solid var(--color-primary-700);
  white-space: nowrap;
  overflow: hidden;
}

.fixed-sidebar:hover .fixed-sidebar__header {
  padding: var(--spacing-3) var(--spacing-4);
}

.fixed-sidebar__title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.fixed-sidebar:hover .fixed-sidebar__title {
  opacity: 1;
}

.fixed-sidebar__item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-2);
  border: none;
  background: none;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition-all);
  border-bottom: 1px solid var(--color-border-light);
  text-decoration: none;
  position: relative;
  white-space: nowrap;
}

.fixed-sidebar:hover .fixed-sidebar__item {
  justify-content: flex-start;
  padding: var(--spacing-4);
}

.fixed-sidebar__item:last-child {
  border-bottom: none;
  display: flex !important;
  justify-content: center;
}

.fixed-sidebar:hover .fixed-sidebar__item:last-child {
  justify-content: flex-start;
}

.fixed-sidebar__item:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
  transform: translateX(-2px);
}

.fixed-sidebar__item:focus {
  outline: 2px solid var(--color-primary-400);
  outline-offset: -2px;
}

.fixed-sidebar__icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.fixed-sidebar__icon i {
  font-size: var(--font-size-lg);
  transition: var(--transition-transform);
}

.fixed-sidebar__item:hover .fixed-sidebar__icon i {
  transform: scale(1.1);
}

.fixed-sidebar__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1;
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  transition: opacity 0.3s ease, max-width 0.3s ease;
}

.fixed-sidebar:hover .fixed-sidebar__content {
  opacity: 1;
  max-width: 100px;
}

.fixed-sidebar__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
}

.fixed-sidebar__phone {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-normal);
}

.fixed-sidebar__sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Special styling for phone item */
.fixed-sidebar__item--phone {
  background: linear-gradient(
    135deg,
    rgba(30, 58, 138, 0.05) 0%,
    rgba(30, 58, 138, 0.02) 100%
  );
}

.fixed-sidebar__item--phone:hover {
  background: linear-gradient(
    135deg,
    rgba(30, 58, 138, 0.1) 0%,
    rgba(30, 58, 138, 0.05) 100%
  );
}

.fixed-sidebar__item--phone .fixed-sidebar__icon {
  color: var(--color-primary);
}

/* LINE item styling */
.fixed-sidebar__item--line {
  background: linear-gradient(
    135deg,
    rgba(0, 195, 0, 0.05) 0%,
    rgba(0, 195, 0, 0.02) 100%
  );
}

.fixed-sidebar__item--line:hover {
  background: linear-gradient(
    135deg,
    rgba(0, 195, 0, 0.1) 0%,
    rgba(0, 195, 0, 0.05) 100%
  );
}

.fixed-sidebar__item--line .fixed-sidebar__icon {
  color: #00c300;
}

/* Member item styling */
.fixed-sidebar__item--member {
  background: linear-gradient(
    135deg,
    rgba(255, 193, 7, 0.08) 0%,
    rgba(255, 193, 7, 0.03) 100%
  );
}

.fixed-sidebar__item--member:hover {
  background: linear-gradient(
    135deg,
    rgba(255, 193, 7, 0.15) 0%,
    rgba(255, 193, 7, 0.08) 100%
  );
}

.fixed-sidebar__item--member .fixed-sidebar__icon {
  color: #ffc107;
}

/* Document item styling */
.fixed-sidebar__item--document .fixed-sidebar__icon {
  color: var(--color-accent-600);
}

/* Plans item styling */
.fixed-sidebar__item--plans .fixed-sidebar__icon {
  color: var(--color-gold-600);
}

/* Scroll item styling */
.fixed-sidebar__item--scroll {
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition-all);
}

.fixed-sidebar__item--scroll.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Pulse animation for phone */
.pulse-ring {
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  animation: pulseRing 2s cubic-bezier(0.455, 0.03, 0.515, 0.955) infinite;
}

@keyframes pulseRing {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  80%,
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

/* スクロール進捗表示（TOPボタン用） */
/* .fixed-sidebar__item--scroll::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    to right,
    var(--color-primary) 0%,
    var(--color-primary) var(--scroll-progress, 0%),
    transparent var(--scroll-progress, 0%)
  );
  transition: background 0.1s ease;
} */

.fixed-sidebar__item--scroll::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: var(--scroll-progress, 0%);
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 1px;
  transition: width 0.3s ease;
}

/* =====================================================
   サイドバーアニメーション修正 - 最優先
   ===================================================== */
@media (min-width: 768px) {
  /* ホバー展開用の幅設定 */
  .fixed-sidebar {
    width: 60px !important;
  }

  .fixed-sidebar:hover {
    width: 160px !important;
  }

  .fixed-sidebar:not(.show) {
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-50%) translateX(120%) !important;
    pointer-events: none !important;
  }
}