/* バッジのスタイル（ソロ表記を見やすく） */
.badge.bg-secondary {
  background-color: #495057 !important;
  color: #fff !important;
}

.game-card {
  transition: var(--transition-fast);
  height: 100%;
}

.game-card:hover {
  transform: translateY(-5px);
}

.game-card .card-img-top {
  height: 200px;
  object-fit: cover;
}

.tool-card {
  transition: var(--transition-fast);
  margin-bottom: 1rem;
}

.tool-card:hover {
  transform: translateX(5px);
}

.section-title {
  border-left: 4px solid var(--dark-text);
  padding-left: 1rem;
  margin-bottom: 1.5rem;
}

.game-banner {
  max-width: 100%;
  height: auto;
  margin-bottom: 1rem;
}

.category-icon {
  margin-right: 0.5rem;
  color: var(--dark-text);
}

/* Sticky navigation styles */
#headernav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-light);
  transition: var(--transition-normal);
  margin-bottom: 2rem;
}

.navbar {
  padding: 0.5rem 0;
}

.nav-link {
  padding: 0.75rem 1.25rem !important;
  border-radius: 8px;
  transition: var(--transition-normal) !important;
  margin: 0 0.25rem;
  position: relative;
  color: var(--dark-text) !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-hover);
  transition: var(--transition-normal);
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: calc(100% - 2.5rem);
}

.nav-link:hover {
  color: var(--primary-hover) !important;
  transform: translateY(-2px);
}

.nav-link.active {
  background: var(--gradient-primary) !important;
  color: white !important;
  box-shadow: var(--shadow-primary);
}

.nav-link.active::after {
  display: none;
}

.nav-link i {
  margin-right: 0.5rem;
  transition: var(--transition-normal);
}

.nav-link:hover i {
  transform: scale(1.1);
}

.nav-text {
  position: relative;
  z-index: 1;
}

.navbar-nav {
  width: 100%;
  justify-content: center;
}

.navbar-nav .nav-item {
  margin: 0 0.25rem;
}

/* 折りたたみボタンのスタイル */
.btn[data-bs-toggle="collapse"] i {
  transition: transform 0.3s ease;
}

.btn[data-bs-toggle="collapse"][aria-expanded="true"] i {
  transform: rotate(180deg);
}

@media (max-width: 991px) {
  .navbar-nav {
    padding: 1rem 0;
  }

  .nav-item {
    width: 100%;
    margin: 0.25rem 0 !important;
  }

  .nav-link {
    text-align: left;
    padding: 0.75rem 1rem !important;
  }

  .nav-link:hover::after {
    width: calc(100% - 2rem);
  }
}