/* メインページ専用スタイル */

.main-content {
    padding: 3rem 0;
    min-height: calc(100vh - 200px);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* ユーザー選択セクション */
.user-selection {
    display: flex;
    gap: 3rem;
    justify-content: center;
    align-items: stretch;
    margin: 3rem auto;
    max-width: 800px;
}

/* 選択カード */
.selection-card {
    flex: 1;
    background-color: var(--bg-card);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition-default);
    position: relative;
    overflow: hidden;
}

.selection-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.selection-card:hover::before {
    transform: translateX(100%);
}

.selection-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    border-color: var(--primary-color);
}

/* チームカード特有のスタイル */
.team-card:hover {
    background: linear-gradient(135deg, var(--bg-card), rgba(59, 130, 246, 0.1));
}

/* プレイヤーカード特有のスタイル */
.player-card:hover {
    background: linear-gradient(135deg, var(--bg-card), rgba(16, 185, 129, 0.1));
}

/* カードアイコン */
.card-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    animation: float 3s ease-in-out infinite;
}

.player-card .card-icon {
    color: var(--secondary-color);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* カード内のテキスト */
.selection-card h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.selection-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* カードアクション */
.card-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card-actions .btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: 1.1rem;
}

/* 機能セクション */
.features {
    max-width: 900px;
    margin: 4rem auto 0;
    padding: 3rem 2rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
}

.features h3 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

/* 機能グリッド */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.feature-item {
    background-color: var(--bg-tertiary);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-secondary);
    transition: var(--transition-default);
}

.feature-item:hover {
    background-color: var(--bg-card);
    transform: translateX(4px);
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-item h4::before {
    content: '▶';
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.feature-item ul {
    list-style: none;
}

.feature-item li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
    transition: var(--transition-default);
}

.feature-item li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.feature-item li:hover {
    color: var(--text-primary);
    transform: translateX(4px);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .user-selection {
        flex-direction: column;
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .selection-card {
        padding: 2rem 1.5rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .features {
        margin-top: 3rem;
        padding: 2rem 1rem;
    }
}

@media (max-width: 480px) {
    .main-header h1 {
        font-size: 1.75rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .selection-card h2 {
        font-size: 1.5rem;
    }
    
    .selection-card p {
        font-size: 1rem;
    }
    
    .card-actions .btn {
        font-size: 1rem;
        padding: 0.75rem 1.25rem;
    }
    
    .card-icon svg {
        width: 48px;
        height: 48px;
    }
}

/* アニメーション */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.selection-card {
    animation: slideIn 0.6s ease-out;
}

.team-card {
    animation-delay: 0.1s;
}

.player-card {
    animation-delay: 0.2s;
}

.features {
    animation: slideIn 0.8s ease-out;
    animation-delay: 0.3s;
    animation-fill-mode: both;
}