/* ========== MOCK TEST SECTION ========== */
.mock-test-section {
    padding: 6rem 0;
    background: var(--surface);
}

.mock-test-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 2rem;
}

.mock-test-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

/* 3級カード - 青色テーマ */
.mock-test-card.test-theme-grade3 {
    background: linear-gradient(135deg, #2196F3 0%, #64B5F6 100%);
    color: white;
    border-color: transparent;
}

/* 2級カード - 灰色テーマ（準備中） */
.mock-test-card.test-theme-grade2 {
    background: linear-gradient(135deg, #6C757D 0%, #ADB5BD 100%);
    color: white;
    border-color: transparent;
    opacity: 0.8;
}

.mock-test-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.test-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.test-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mock-test-card:hover .test-icon {
    transform: scale(1.1);
}

.test-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.test-level {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mock-test-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 0 1.5rem 0;
}

.test-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: var(--radius-md);
}

.test-info-item {
    text-align: center;
}

.test-info-item .info-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
}

.test-info-item .info-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.test-description {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin: 0 0 1.5rem 0;
}

.test-features {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.feature-tag {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 3級ボタン - 青色テーマ */
.test-button-grade3 {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    color: #2196F3;
    border: 2px solid white;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.test-button-grade3:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

/* 2級ボタン - 灰色テーマ（準備中・無効） */
.test-button-grade2 {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.5);
    color: rgba(108, 117, 125, 0.8);
    border: 2px solid rgba(255, 255, 255, 0.5);
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: not-allowed;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.test-button-grade2:hover {
    /* ホバー効果なし */
    transform: none;
}

.test-button-grade3 svg, .test-button-grade2 svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.test-button-grade3:hover svg {
    transform: translateX(4px);
}

/* 2級ボタンのSVGはホバー効果なし */
.test-button-grade2 svg {
    transform: none !important;
}

/* モバイル対応 */
@media (max-width: 768px) {
    .mock-test-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .mock-test-card {
        padding: 2rem 1.5rem;
    }
    
    .test-info-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .test-features {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .mock-test-section {
        padding: 4rem 0;
    }
    
    .mock-test-card {
        padding: 2rem 1.5rem;
    }
    
    .test-header {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .test-button {
        width: 100%;
        justify-content: center;
    }
}