/* ===== 勉強会セクション専用スタイル ===== */

.seminar-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, #E3F2FD, #F3E5F5);
    text-align: center;
}

.seminar-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, #FFB6D9, #89CFF0, #B8E6F0);
    color: var(--white);
    border-radius: 50px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 15px rgba(92, 107, 192, 0.4);
    animation: pulse-badge 2s ease-in-out infinite;
    font-size: 1.1rem;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.seminar-section .section-title {
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.seminar-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* 統計情報 */
.seminar-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.seminar-stat {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 20px;
    min-width: 150px;
    box-shadow: 0 8px 25px rgba(92, 107, 192, 0.15);
    border: 2px solid #B39DDB;
    transition: all 0.3s ease;
}

.seminar-stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(92, 107, 192, 0.25), 0 0 30px rgba(255, 215, 0, 0.2);
    border-color: #FFD700;
}

.seminar-stat i {
    font-size: 2.5rem;
    color: #9C27B0;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 10px rgba(156, 39, 176, 0.4));
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #FFB6D9, #89CFF0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-accent);
    margin-bottom: 0.3rem;
}

.stat-label {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ハイライトセクション */
.seminar-highlights {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 25px;
    box-shadow: 0 10px 40px rgba(92, 107, 192, 0.15);
    border: 3px solid #B39DDB;
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.seminar-highlights h3 {
    font-size: 1.8rem;
    background: linear-gradient(135deg, #FFB6D9, #89CFF0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.seminar-highlights h3 i {
    color: #FFD700;
    filter: drop-shadow(0 0 10px #FFD700);
}

/* 勉強会リスト */
.seminar-list {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.seminar-item {
    background: linear-gradient(135deg, #FFFFFF, #F5F5F5);
    padding: var(--spacing-md);
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border: 2px solid #B39DDB;
    transition: all 0.3s ease;
}

.seminar-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(92, 107, 192, 0.2), 0 0 20px rgba(255, 215, 0, 0.15);
    border-color: #FFD700;
}

/* 日付表示 */
.seminar-date {
    background: linear-gradient(135deg, #FFB6D9, #89CFF0);
    color: var(--white);
    padding: var(--spacing-sm);
    border-radius: 15px;
    text-align: center;
    min-width: 80px;
    box-shadow: 0 4px 15px rgba(92, 107, 192, 0.3);
}

.date-day {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-accent);
    line-height: 1;
}

.date-month {
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.9;
}

/* 勉強会情報 */
.seminar-info {
    flex: 1;
}

.seminar-info h4 {
    font-size: 1.2rem;
    color: #5C6BC0;
    margin-bottom: 0.3rem;
    font-weight: 700;
}

.seminar-info p {
    color: var(--text-gray);
    font-size: 0.95rem;
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.seminar-info p i {
    color: #9C27B0;
}

/* ステータス表示 */
.seminar-status {
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    white-space: nowrap;
}

.status-available {
    background: linear-gradient(135deg, #9C27B0, #E91E63);
    color: var(--white);
}

.status-few {
    background: linear-gradient(135deg, #FFD700, #FFC107);
    color: #1a1a2e;
    animation: blink-status 1.5s ease-in-out infinite;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
}

@keyframes blink-status {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

/* 注記 */
.seminar-note {
    background: #F5F5F5;
    padding: var(--spacing-md);
    border-radius: 10px;
    color: var(--text-gray);
    text-align: center;
    margin-bottom: var(--spacing-md);
    border: 2px solid #B39DDB;
}

.seminar-note i {
    color: #9C27B0;
}

/* CTAボタン */
.seminar-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-seminar-primary,
.btn-seminar-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.05rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.btn-seminar-primary {
    background: linear-gradient(135deg, #9C27B0, #E91E63);
    color: var(--white);
}

.btn-seminar-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(156, 39, 176, 0.5), 0 0 30px rgba(233, 30, 99, 0.3);
}

.btn-seminar-secondary {
    background: #1a1a1a;
    color: #FF9800;
    border: 2px solid #FF6B00;
}

.btn-seminar-secondary:hover {
    background: #2d1b00;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 107, 0, 0.5);
}

/* 参加者の声 */
.seminar-testimonials {
    margin-top: var(--spacing-xl);
}

.seminar-testimonials h3 {
    font-size: 2rem;
    background: linear-gradient(135deg, #FFB6D9, #89CFF0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.testimonial-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(92, 107, 192, 0.15);
    border: 2px solid #B39DDB;
    text-align: center;
    transition: all 0.3s ease;
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(92, 107, 192, 0.25), 0 0 30px rgba(255, 215, 0, 0.2);
    border-color: #FFD700;
}

.testimonial-stars {
    color: #FFD700;
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 0 8px #FFD700);
}

.testimonial-item p {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    color: #5C6BC0;
    font-size: 0.95rem;
}

/* Googleカレンダー埋め込みエリア */
.seminar-calendar-embed {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 25px;
    box-shadow: 0 10px 40px rgba(92, 107, 192, 0.15);
    border: 3px solid #B39DDB;
    margin-bottom: var(--spacing-xl);
}

.seminar-calendar-embed h3 {
    font-size: 1.8rem;
    background: linear-gradient(135deg, #FFB6D9, #89CFF0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.seminar-calendar-embed h3 i {
    color: #FFD700;
    filter: drop-shadow(0 0 10px #FFD700);
}

.calendar-description {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.calendar-description i {
    color: #9C27B0;
}

/* カレンダー凡例 */
.calendar-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-gray);
    font-weight: 500;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid rgba(0, 0, 0, 0.1);
}

.legend-free {
    background: #4CAF50;
}

.legend-premium {
    background: linear-gradient(135deg, #9C27B0, #E91E63);
}

.calendar-wrapper {
    border-radius: 15px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.1);
}

.calendar-wrapper iframe {
    display: block;
}

/* カレンダーナビゲーションコントロール */
.calendar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--light-bg);
    border-radius: 10px;
}

.calendar-nav-btn {
    padding: 0.6rem 1.2rem;
    background: linear-gradient(135deg, var(--primary-pink), var(--secondary-purple));
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.calendar-nav-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
}

.calendar-nav-btn:disabled {
    background: var(--text-gray);
    cursor: not-allowed;
    opacity: 0.5;
}

.current-month-display {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-dark);
}

/* レスポンシブ */
@media (max-width: 768px) {
    .calendar-wrapper iframe {
        height: 400px;
    }
    
    .calendar-controls {
        padding: 0.4rem;
    }
    
    .calendar-nav-btn {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .current-month-display {
        font-size: 0.95rem;
    }
    
    .calendar-legend {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
    }
    
    .legend-item {
        font-size: 0.85rem;
    }
}
    .seminar-badge {
        font-size: 0.95rem;
        padding: 0.6rem 1.5rem;
    }

    .seminar-subtitle {
        font-size: 1rem;
    }

    .seminar-stats {
        gap: var(--spacing-sm);
    }

    .seminar-stat {
        min-width: 120px;
        padding: var(--spacing-sm);
    }

    .seminar-stat i {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .seminar-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
        text-align: left;
    }

    .seminar-date {
        min-width: 70px;
    }

    .date-day {
        font-size: 1.5rem;
    }

    .seminar-status {
        align-self: flex-start;
    }

    .seminar-cta {
        flex-direction: column;
    }

    .btn-seminar-primary,
    .btn-seminar-secondary {
        width: 100%;
        justify-content: center;
    }

    .testimonial-slider {
        grid-template-columns: 1fr;
    }
}