/* ========================================
   セクション別カラー & 追加スタイル（白ベース）
======================================== */

/* AI研修の特徴セクション - ブルー系（白ベース） */
.business-divisions {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
}

.business-divisions::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* 2×2グリッドレイアウト */
.divisions-grid-2x2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.business-divisions .division-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
}

.business-divisions .division-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.business-divisions .division-icon {
    background: linear-gradient(135deg, #0066ff 0%, #00d9ff 100%);
}

/* 各カードの色バリエーション */
.division-ai .division-icon {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

.division-support .division-icon {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.division-results .division-icon {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

/* セパレーター */
.division-separator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.separator-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(180deg, transparent 0%, var(--primary-color) 50%, transparent 100%);
}

.separator-text {
    font-family: var(--font-tech);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* サービス紹介セクション - パープル系（白ベース） */
.services {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 80% 50%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

/* 2×2グリッドレイアウト */
.services-grid-2x2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* サービスカードリンク */
.service-card-link {
    text-decoration: none;
    display: block;
    transition: var(--transition);
}

.service-card-link:hover .service-card {
    transform: translateY(-10px);
}

.services .service-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    min-height: 480px;
    display: flex;
    flex-direction: column;
}

.services .service-card .service-description {
    flex-grow: 1;
}

.services .service-card .service-features {
    margin-top: auto;
}

.services .service-card:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.services .service-card-featured {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(0, 102, 255, 0.03) 100%);
    border: 2px solid var(--secondary-color);
    min-height: 480px;
}

.services .service-icon {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

/* 強みセクション - ピンク・パープル系（白ベース） */
.strengths {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
}

.strengths::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.03) 0%, transparent 60%);
    pointer-events: none;
}

.strengths .strength-item {
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    position: relative;
    padding-left: 4rem;
}

.strengths .strength-item:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.strength-number {
    position: absolute;
    left: 1.5rem;
    top: 1.5rem;
    font-family: var(--font-tech);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
}

.strengths .strength-item:hover .strength-number {
    opacity: 1;
}

/* 会社概要セクション - グリーン系（白ベース） */
.about {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-heading {
    font-family: var(--font-tech);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.about-heading::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, #10b981 0%, #0066ff 100%);
    border-radius: 5px;
}

.about-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 2;
}

.about-table {
    width: 100%;
    background: #ffffff;
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
}

.about-table th,
.about-table td {
    padding: 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.about-table th {
    background: #f8fafc;
    color: var(--text-primary);
    font-weight: 600;
    width: 35%;
}

.about-table td {
    color: var(--text-secondary);
}

.about-table tr:last-child th,
.about-table tr:last-child td {
    border-bottom: none;
}

/* FAQセクション - オレンジ系（白ベース） */
.faq {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
}

.faq::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 50%, rgba(251, 146, 60, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    border-radius: 15px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--warning-color);
    box-shadow: var(--shadow-hover);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    background: #f8fafc;
    transition: var(--transition);
}

.faq-question:hover {
    background: #f1f5f9;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.faq-question i {
    color: #fb923c;
    font-size: 1.2rem;
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer > div {
    padding: 1.5rem 2rem;
    color: var(--text-secondary);
    line-height: 1.8;
    border-top: 1px solid var(--border-color);
}

/* お問い合わせセクション - サイバーブルー系（白ベース） */
.contact {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 102, 255, 0.03) 0%, transparent 60%);
    pointer-events: none;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.contact-heading {
    font-family: var(--font-tech);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.contact-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

/* コンタクト方法 */
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    border-radius: 15px;
    transition: var(--transition);
}

.contact-method:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover);
    transform: translateX(10px);
}

.contact-method i {
    font-size: 2rem;
    color: var(--primary-color);
    min-width: 40px;
}

.contact-method h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact-method p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.email-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.email-link:hover {
    text-shadow: var(--glow-primary);
}

/* フォームスタイル */
.contact-form-wrapper {
    position: relative;
}

.contact-form {
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    padding: 2.5rem;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.02) 0%, transparent 70%);
    animation: formGlow 6s ease-in-out infinite;
}

@keyframes formGlow {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-20%, 20%) scale(1.1);
        opacity: 0.5;
    }
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-label i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.required {
    color: var(--accent-color);
}

.form-input,
.form-textarea,
.form-select,
select {
    width: 100%;
    padding: 1rem 1.5rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
    background: #ffffff;
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.btn-submit {
    width: 100%;
    padding: 1.2rem;
    background: var(--gradient-primary);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-card);
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.form-success {
    display: none;
    text-align: center;
    padding: 3rem;
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 20px;
}

.form-success i {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 1rem;
}

.form-success h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.form-success p {
    color: var(--text-secondary);
}

/* フッター（白ベース） */
.footer {
    background: #f8fafc;
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    font-family: var(--font-tech);
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-nav-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-nav-list {
    list-style: none;
}

.footer-nav-list li {
    margin-bottom: 0.8rem;
}

.footer-nav-list a,
.footer-nav-list li {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-nav-list a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 992px) {
    .contact-content,
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .divisions-grid,
    .divisions-grid-2x2,
    .services-grid,
    .services-grid-2x2 {
        grid-template-columns: 1fr;
    }
    
    .division-separator {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .strengths .strength-item {
        padding-left: 2rem;
    }
    
    .strength-number {
        left: 1rem;
        font-size: 2rem;
    }
    
    /* モバイルではカードの最小高さを解除 */
    .services .service-card,
    .services .service-card-featured {
        min-height: auto;
    }
}

/* ========================================
   ペリカンアイコンスタイル
======================================== */
.icon-pelican {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

/* サービスカード内のペリカンアイコン */
.service-icon .icon-pelican {
    width: 55px;
    height: 55px;
}

/* 選ばれる理由セクション内のペリカンアイコン */
.division-icon .icon-pelican {
    width: 50px;
    height: 50px;
}

/* コース詳細ページ用のペリカンアイコン */
.feature-icon .icon-pelican {
    width: 60px;
    height: 60px;
}

.recommend-icon .icon-pelican {
    width: 80px;
    height: 80px;
}

.topic-icon .icon-pelican {
    width: 70px;
    height: 70px;
}