/* ==========================================================================
   基本設定・マニュアルページ全体
   ========================================================================== */
.manual-page {
    padding-top: 0;
    --header-height: 65px;
}
.manual-main {
    width: min(calc(100% - 2 * var(--page-gutter)), 920px);
    max-width: 100%;
    margin: 0 auto;
    padding: 40px 0 80px;
    min-width: 0;
}

/* ==========================================================================
   目次 (TOC)
   ========================================================================== */
.manual-toc {
    background-image: linear-gradient(135deg, rgb(255 255 255 / 68%) 35%, rgb(255 255 255) 100%);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 28px 32px;
    margin-bottom: 48px;
}
.manual-toc ol {
    margin: 0;
    padding-left: 1.4rem;
    line-height: 2;
}
.manual-toc a {
    color: var(--text);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-bottom-color 0.2s;
}
.manual-toc a:hover {
    border-bottom-color: var(--text);
}

.manual-page .manual-toc h1 {
    display: block;
    width: 100%;
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    padding-bottom: 10px;
    margin: 0 0 24px;
    border-bottom: 2px solid var(--border-color);
    line-height: 1.25;
}

/* ==========================================================================
   各セクション
   ========================================================================== */
.manual-page section.manual-section {
    margin-bottom: 48px;
    scroll-margin-top: 90px;
    background-color: transparent;
    background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.24) 35%, rgba(255, 255, 255, 0.72) 100%);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 36px 40px;
}

.manual-page .manual-section h2 {
    display: block;
    width: auto;
    font-size: 1.55rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    padding-bottom: 10px;
    margin: 0 0 24px;
    border-bottom: 2px solid var(--border-color);
    line-height: 1.25;
}

.manual-page .manual-section h3 {
    display: inline-block;
    width: auto;
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 12px;
    padding: 4px 12px;
    letter-spacing: 0.06em;
    background: #fff;
    border-radius: 20px;
    border: none;
}

/* ==========================================================================
   ブロック要素（文章やリストなど）
   ========================================================================== */
.manual-block {
    background: #fbfbfbe8;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px 24px;
}
.manual-block + .manual-block {
    margin-top: 16px;
}

.manual-block > h3 ~ p,
.manual-block > h3 ~ ul,
.manual-block > h3 ~ ol,
.manual-block > h3 ~ .table-wrapper,
.manual-block > h3 ~ .manual-note,
.manual-block > h3 ~ .manual-aside,
.manual-block > h4 ~ p,
.manual-block > h4 ~ ul,
.manual-block > h4 ~ ol {
    padding-left: 1.2rem;
}

/* h3（丸ラベル）の下の小見出し — リスト先頭の <strong>ラベル</strong> より一段上の区切り */
.manual-block > h4 {
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    line-height: 1.45;
    margin: 1.25rem 0 10px;
    padding: 0 0 6px 1.2rem;
    border-bottom: 1px dashed var(--border-color);
}
.manual-block > h3 + p + h4,
.manual-block > h3 + h4 {
    margin-top: 0.85rem;
}

.manual-block > p,
.manual-block > .table-wrapper,
.manual-block > .manual-note {
    font-size: 15px;
    line-height: 1.85;
    letter-spacing: 0.06em;
    margin: 0 0 12px;
}

.manual-block ul,
.manual-block ol {
    font-size: 14px; 
    line-height: 1.85;
    letter-spacing: 0.06em;
    margin: 0 0 12px;
    margin-left: 1.2rem;
    padding: 0;
}
.manual-block ul ul,
.manual-block ol ol {
    margin-top: 8px;
    margin-bottom: 0;
}

.manual-block > p:last-child,
.manual-block > ul:last-child,
.manual-block > ol:last-child {
    margin-bottom: 0;
}
.manual-block li {
    margin-bottom: 8px;
}
.manual-block li:last-child {
    margin-bottom: 0;
}

.manual-note {
    background: rgba(255, 255, 255, 0.45);
    padding: 14px 18px;
    margin: 16px 0;
    font-size: 15px;
    line-height: 1.85;
    letter-spacing: 0.06em;
    border-radius: 8px;
    border: 1px dashed var(--border-color);
}
.manual-aside {
    margin: 12px 0 0;
    padding: 12px 16px 12px 14px;
    font-size: 0.95em;
    line-height: 1.85;
    letter-spacing: 0.06em;
    background: rgba(255, 255, 255, 0.35);
    border-left: 3px solid var(--border-color);
    border-radius: 0 6px 6px 0;
}
.manual-block > .manual-note:first-child {
    margin-top: 0;
}

.manual-flow {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 13px;
    line-height: 1.65;
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 18px;
    margin: 16px 0;
    overflow-x: auto;
    white-space: pre-wrap;
    letter-spacing: 0.02em;
}

/* ==========================================================================
   テーブル・コード
   ========================================================================== */
code {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.9em;
    background: #f3f3f3;
    padding: 1px 6px;
    border-radius: 4px;
    word-break: break-all;
    overflow-wrap: anywhere;
}
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 0 12px;
}

.manual-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 14px;
    background: transparent;
    min-width: 520px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}
.manual-table th,
.manual-table td {
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    padding: 10px 12px;
    text-align: left;
    vertical-align: top;
}
.manual-table th:last-child,
.manual-table td:last-child {
    border-right: none;
}
.manual-table tr:last-child th,
.manual-table tr:last-child td {
    border-bottom: none;
}

.manual-table th {
    background: #d8d8d8;
    font-weight: 700;
}
.manual-table td {
    background: rgba(255, 255, 255, 0.55);
}

/* ==========================================================================
   ツールバー・検索機能セクション専用スタイル
   ========================================================================== */
.toolbar-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}
.toolbar-card {
    background: #fbfbfbe8;
    border: 1px solid var(--border-color); 
    border-radius: 8px;
    padding: 20px 24px;
    transition: transform 0.2s;
}
.toolbar-card:hover {
    transform: translateY(-3px);
}

.toolbar-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    padding-bottom: 8px;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border-color); 
}

.toolbar-card p.sub,
.toolbar-card p.list {
    font-size: 15px;
    line-height: 1.85;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
    padding-left: 0;
}
.toolbar-card p.sub:last-child {
    margin-bottom: 0;
}
.toolbar-card strong {
    display: inline-block;
    background-color: #f5f5f5;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 4px;
    font-size: 0.9em;
    border: 1px solid var(--border-color);
}

.search-feature-card {
    background-image: linear-gradient(135deg, rgb(255 255 255 / 68%) 35%, rgb(255 255 255) 100%);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px 28px;
    margin-top: 20px;
}

.search-feature-card h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border-color);
}

.search-feature-card p,
.search-feature-card .sub {
    font-size: 15px;
    line-height: 1.85;
    letter-spacing: 0.06em;
}

.search-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.search-item {
    background: #fbfbfbe8;
    padding: 18px 20px;
    border: 1px dashed var(--border-color);
    border-radius: 8px;
}

/* ==========================================================================
   レスポンシブ
   ========================================================================== */
@media (max-width: 1024px) {
    .manual-page .manual-toc h1 {
        font-size: 1.75rem;
    }
}

@media (max-width: 768px) {
    .manual-main {
        padding: 28px 0 60px;
    }
    .manual-toc {
        padding: 22px 20px;
        margin-bottom: 36px;
    }
    .manual-page section.manual-section {
        margin-bottom: 36px;
        scroll-margin-top: calc(var(--header-height) + 16px);
    }
    
    .manual-page .manual-toc h1 {
        font-size: 1.5rem;
    }
    .manual-page .manual-section h2 {
        font-size: 1.35rem;
    }
    
    .manual-block {
        padding: 16px 18px;
    }
    .search-feature-card {
        padding: 20px;
    }
    .search-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .search-item {
        padding: 15px;
    }
}

@media (max-width: 640px) {
    .manual-main {
        padding: 24px 0 48px;
    }
    .manual-page .manual-toc h1 {
        font-size: 1.4rem;
        letter-spacing: 0.04em;
    }
    .manual-toc {
        padding: 22px 20px;
        margin-bottom: 28px;
    }
    .manual-toc ol {
        padding-left: 1.2rem;
        line-height: 1.75;
        font-size: 14px;
    }
    .manual-page section.manual-section {
        padding: 24px 20px;
        margin-bottom: 28px;
    }

    .manual-page .manual-section h2 {
        font-size: 1.2rem;
        margin-bottom: 18px;
    }
    .manual-page .manual-section h3 {
        font-size: 1.05rem;
    }
    .search-feature-card h4,
    .toolbar-card h4 {
        font-size: 1.05rem;
    }
    
    .manual-block + .manual-block {
        margin-top: 12px;
    }
    
    .manual-block > h3 ~ p,
    .manual-block > h3 ~ ul,
    .manual-block > h3 ~ ol,
    .manual-block > h3 ~ .table-wrapper,
    .manual-block > h3 ~ .manual-note,
    .manual-block > h3 ~ .manual-aside,
    .manual-block > h4 ~ p,
    .manual-block > h4 ~ ul,
    .manual-block > h4 ~ ol,
    .manual-block > h4 {
        padding-left: 0.6rem;
    }

    .manual-block > p,
    .manual-block > ul,
    .manual-block > ol,
    .manual-block > .table-wrapper,
    .manual-block > .manual-note,
    .manual-note,
    .search-feature-card p,
    .search-feature-card .sub,
    .toolbar-card p.sub,
    .toolbar-card p.list {
        font-size: 14px;
        line-height: 1.75;
    }
    .manual-table {
        font-size: 13px;
    }
    .manual-table th,
    .manual-table td {
        padding: 8px 10px;
    }
}