/* ====================================================
   ヘルプページ (help.html) 専用スタイルシート
   名前空間: help-
   フォント統一: Noto Sans JP
==================================================== */

/* ----------------------------------------
   基本設定・変数
   ---------------------------------------- */

:root {
    --help-font-family: 'Noto Sans JP', var(--font-family-base, sans-serif);
}

/* フォント統一 */
.mega-help-content,
.mega-help-content *,
.help-container,
.help-container *,
.help-container input,
.help-container select,
.help-container textarea,
.help-container button {
    font-family: var(--help-font-family) !important;
}

/* ----------------------------------------
   レイアウト基本構造
   ---------------------------------------- */

.mega-help-content .help-container {
    margin-top: -8px !important;
    padding-top: 0 !important;
}

.help-container {
    width: 100%;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    height: calc(100vh - var(--header-height) - 25px);
    overflow: hidden;
}

/* ----------------------------------------
   ヘッダー
   ---------------------------------------- */

.help-header {
    text-align: left;
    margin-bottom: 1rem;
    padding: 0.25rem 0;
    flex-shrink: 0;
}

.help-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0 0 0.125rem 0;
}

.help-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin: 0;
}

/* ----------------------------------------
   メインコンテンツ・グリッドレイアウト
   ---------------------------------------- */

.help-main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    flex: 1;
    min-height: 0;
    align-items: start;
}

.help-left-column,
.help-center-column,
.help-right-column {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}

/* ----------------------------------------
   セクション共通スタイル
   ---------------------------------------- */

.help-section {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.help-section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-divider);
    flex-shrink: 0;
    background-color: var(--color-background);
}

.help-section-title .material-symbols-outlined {
    color: var(--color-primary);
    font-size: 1.1rem;
}

.help-section-content {
    flex: 1;
    overflow: hidden;
    padding: 0.75rem;
}

.help-scrollable-content {
    overflow-y: auto;
    overflow-x: hidden;
    height: 100%;
    padding-right: 0.5rem;
}

/* ----------------------------------------
   スクロールバーのスタイリング
   ---------------------------------------- */

.help-scrollable-content::-webkit-scrollbar {
    width: 6px;
}

.help-scrollable-content::-webkit-scrollbar-track {
    background: var(--color-background);
    border-radius: 10px;
}

.help-scrollable-content::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 10px;
    transition: background-color 0.3s ease;
}

.help-scrollable-content::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}

/* ----------------------------------------
   関連リンク
   ---------------------------------------- */

.help-external-links-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.help-external-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s ease;
    color: var(--color-text-primary);
}

.help-external-link:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.help-external-link .material-symbols-outlined:first-child {
    color: var(--color-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.help-external-link-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.help-external-link-title {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.9rem;
}

.help-external-link-desc {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.help-external-icon {
    color: var(--color-text-secondary);
    font-size: 1rem;
    flex-shrink: 0;
}

.help-external-link:hover .help-external-icon {
    color: var(--color-primary);
}

/* ----------------------------------------
   FAQ
   ---------------------------------------- */

.help-faq-category {
    margin-bottom: 1rem;
}

.help-faq-category:last-child {
    margin-bottom: 0;
}

.help-faq-category-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0 0 0.75rem 0;
    padding-bottom: 0.375rem;
    border-bottom: 2px solid var(--color-primary-light);
}

.help-faq-items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.help-faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.help-faq-item.active {
    border-color: var(--color-primary);
}

.help-faq-question {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    cursor: pointer;
    background-color: var(--color-background);
    transition: background-color 0.2s ease;
}

.help-faq-question:hover {
    background-color: var(--color-primary-light);
}

.help-faq-q-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.help-faq-q-text {
    flex: 1;
    font-weight: 500;
    color: var(--color-text-primary);
    font-size: 0.875rem;
}

.help-faq-toggle {
    color: var(--color-text-secondary);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.help-faq-item.active .help-faq-toggle {
    transform: rotate(180deg);
}

.help-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: var(--color-surface);
    opacity: 0;
    padding: 0;
}

.help-faq-item.active .help-faq-answer {
    max-height: 300px;
    opacity: 1;
    padding: 0.75rem;
}

.help-faq-a-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: var(--color-success);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
    margin-right: 0.5rem;
}

.help-faq-a-text {
    color: var(--color-text-secondary);
    line-height: 1.5;
    font-size: 0.875rem;
}

/* ----------------------------------------
   問い合わせフォーム
   ---------------------------------------- */

.help-contact-description {
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0 0 1rem 0;
    font-size: 0.875rem;
}

.help-form-group {
    margin-bottom: 1rem;
}

.help-form-label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.875rem;
}

.help-form-control {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.help-form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 107, 255, 0.1);
}

.help-form-control::placeholder {
    color: var(--color-text-secondary);
}

textarea.help-form-control {
    resize: vertical;
    min-height: 80px;
    max-height: 120px;
}

.help-form-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

.help-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    text-decoration: none;
    font-size: 0.875rem;
}

.help-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.help-btn-primary {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.help-btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.help-btn-outline {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.help-btn-outline:hover:not(:disabled) {
    background-color: var(--color-background);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ----------------------------------------
   非表示要素（削除された機能）
   ---------------------------------------- */

.help-quick-links,
.help-quick-links-grid,
.help-quick-link,
.help-emergency-contact,
.help-emergency-title,
.help-emergency-content,
.help-emergency-info {
    display: none !important;
}

/* ----------------------------------------
   レスポンシブ対応
   ---------------------------------------- */

@media (max-width: 1200px) {
    .help-main-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
    }
    
    .help-left-column {
        grid-column: 1 / -1;
        margin-bottom: 1rem;
    }
    
    .help-center-column {
        grid-column: 1;
    }
    
    .help-right-column {
        grid-column: 2;
    }

    .help-external-link {
        max-width: none;
    }
}

@media (max-width: 768px) {
    .help-container {
        padding: 0.25rem;
        height: calc(100vh - var(--header-height) - 20px);
    }

    .help-title {
        font-size: 1.25rem;
    }

    .help-subtitle {
        font-size: 0.8rem;
    }

    .help-main-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .help-left-column,
    .help-center-column,
    .help-right-column {
        grid-column: 1;
        height: auto;
        max-height: calc((100vh - var(--header-height) - 120px) / 3);
    }

    .help-section-title {
        font-size: 0.9rem;
        padding: 0.5rem 0.75rem;
    }

    .help-section-content {
        padding: 0.5rem;
    }

    .help-faq-question,
    .help-faq-answer {
        padding: 0.5rem;
    }

    .help-form-actions {
        flex-direction: column;
        gap: 0.5rem;
    }

    .help-btn {
        justify-content: center;
        width: 100%;
        padding: 0.625rem 1rem;
    }

    .help-form-group {
        margin-bottom: 0.75rem;
    }

    .help-external-link {
        padding: 0.5rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .help-external-link-content {
        align-items: center;
    }
}

@media (max-width: 576px) {
    .help-faq-question {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .help-faq-q-text {
        width: 100%;
    }

    .help-faq-toggle {
        align-self: flex-end;
    }
}

/* ----------------------------------------
   ダークモード対応
   ---------------------------------------- */

body.dark-theme .help-section {
    background-color: var(--color-surface);
    border-color: var(--color-border);
}

body.dark-theme .help-external-link,
body.dark-theme .help-faq-item {
    background-color: var(--color-background);
    border-color: var(--color-border);
}

body.dark-theme .help-external-link:hover {
    background-color: rgba(74, 107, 255, 0.05);
}

body.dark-theme .help-faq-question {
    background-color: var(--color-background);
}

body.dark-theme .help-faq-question:hover {
    background-color: rgba(74, 107, 255, 0.05);
}

body.dark-theme .help-faq-answer {
    background-color: var(--color-surface);
}

body.dark-theme .help-form-control {
    background-color: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text-primary);
}

/* ----------------------------------------
   2カラムレイアウト対応 (help.cssに追加)
   名前空間: help-
   ---------------------------------------- */

/* メインコンテンツ・グリッドレイアウト（2カラム対応） */
.help-main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr; /* 2カラムに変更 */
    gap: 1rem;
    flex: 1;
    min-height: 0;
    align-items: start;
}

.help-left-column,
.help-right-column {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}

/* 中央列は非表示にする */
.help-center-column {
    display: none !important;
}

/* ----------------------------------------
   レスポンシブ対応（修正版）
   ---------------------------------------- */

@media (max-width: 1200px) {
    .help-main-grid {
        grid-template-columns: 1fr 1fr; /* 2カラム維持 */
    }
    
    .help-left-column,
    .help-right-column {
        grid-column: auto; /* デフォルトの配置 */
        margin-bottom: 0;
    }

    .help-external-link {
        max-width: none;
    }
}

@media (max-width: 768px) {
    .help-main-grid {
        grid-template-columns: 1fr; /* モバイルでは1カラム */
        gap: 0.75rem;
    }
    
    .help-left-column,
    .help-right-column {
        grid-column: 1;
        height: auto;
        max-height: calc((100vh - var(--header-height) - 120px) / 2); /* 2つのセクションに分ける */
    }
}