/* Icon System Styles */

/* アイコンコンテナの基本スタイル */
.icon-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* SVGアイコンの基本スタイル */
.icon {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

/* アイコン置き換え後のスタイル */
.icon-replaced {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.icon-replaced .icon-text {
    font-size: inherit;
    color: inherit;
}

/* ベネフィットカード用アイコン */
.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    padding: 16px;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.1), rgba(201, 169, 97, 0.05));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    line-height: 1;
}

.benefit-icon.icon-replaced {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    padding: 16px;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.1), rgba(201, 169, 97, 0.05));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-icon.icon-replaced .icon {
    color: var(--accent-gold);
}

/* メトリックアイコン */
.metric-icon.icon-replaced {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    padding: 12px;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.15), rgba(201, 169, 97, 0.08));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-icon.icon-replaced .icon {
    color: var(--accent-gold);
}

/* サービスタグ用アイコン */
.service-tag.icon-replaced {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
}

.service-tag.icon-replaced .icon {
    width: 16px;
    height: 16px;
    color: var(--accent-gold);
}

/* FAQアイコン */
.qa-icon.icon-replaced {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.2), rgba(201, 169, 97, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.qa-icon.icon-replaced .icon {
    color: var(--accent-gold);
    width: 20px;
    height: 20px;
}

/* カテゴリ別のFAQアイコン背景色 */
.qa-item[data-category="basic"] .qa-icon.icon-replaced {
    background: linear-gradient(135deg, rgba(79, 195, 247, 0.2), rgba(79, 195, 247, 0.1));
}

.qa-item[data-category="basic"] .qa-icon.icon-replaced .icon {
    color: #4fc3f7;
}

.qa-item[data-category="advisor"] .qa-icon.icon-replaced {
    background: linear-gradient(135deg, rgba(102, 187, 106, 0.2), rgba(102, 187, 106, 0.1));
}

.qa-item[data-category="advisor"] .qa-icon.icon-replaced .icon {
    color: #66bb6a;
}

.qa-item[data-category="consulting"] .qa-icon.icon-replaced {
    background: linear-gradient(135deg, rgba(255, 112, 67, 0.2), rgba(255, 112, 67, 0.1));
}

.qa-item[data-category="consulting"] .qa-icon.icon-replaced .icon {
    color: #ff7043;
}

.qa-item[data-category="price"] .qa-icon.icon-replaced {
    background: linear-gradient(135deg, rgba(171, 71, 188, 0.2), rgba(171, 71, 188, 0.1));
}

.qa-item[data-category="price"] .qa-icon.icon-replaced .icon {
    color: #ab47bc;
}

/* サジェスションアイコン（404ページ）*/
.suggestion-icon.icon-replaced {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 97, 0.1);
    border-radius: 10px;
}

.suggestion-icon.icon-replaced .icon {
    width: 24px;
    height: 24px;
    color: var(--accent-gold);
}

/* ホバーエフェクト */
.icon-replaced:hover .icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 8px rgba(201, 169, 97, 0.4));
}

.service-tag.icon-replaced:hover .icon {
    transform: rotate(360deg) scale(1.2);
}

.qa-icon.icon-replaced:hover .icon {
    transform: scale(1.15);
}

/* アニメーション */
@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.benefit-icon.icon-replaced .icon {
    animation: iconPulse 3s ease-in-out infinite;
}

/* ローディング時のフェードイン */
.icon-replaced {
    animation: iconFadeIn 0.5s ease forwards;
}

@keyframes iconFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .benefit-icon {
        width: 64px;
        height: 64px;
        padding: 12px;
        font-size: 32px;
    }

    .benefit-icon.icon-replaced {
        width: 64px;
        height: 64px;
        padding: 12px;
    }

    .benefit-icon.icon-replaced .icon {
        width: 40px;
        height: 40px;
    }

    .metric-icon.icon-replaced {
        width: 56px;
        height: 56px;
        padding: 10px;
    }

    .metric-icon.icon-replaced .icon {
        width: 36px;
        height: 36px;
    }

    .qa-icon.icon-replaced {
        width: 36px;
        height: 36px;
    }

    .qa-icon.icon-replaced .icon {
        width: 18px;
        height: 18px;
    }
}

/* アクセシビリティ：モーション無効化 */
@media (prefers-reduced-motion: reduce) {
    .icon-replaced,
    .icon-replaced .icon {
        animation: none !important;
        transition: none !important;
    }
}

/* カスタムアイコン用のフォールバック */
.icon-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(201, 169, 97, 0.1);
    border-radius: 4px;
    color: var(--accent-gold);
    font-size: 14px;
    font-weight: bold;
}

/* アイコンの読み込み中状態 */
.icon-loading {
    position: relative;
    opacity: 0.5;
}

.icon-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid var(--accent-gold);
    border-top-color: transparent;
    border-radius: 50%;
    animation: iconSpin 0.8s linear infinite;
}

@keyframes iconSpin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}