|  | <!DOCTYPE html>
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    |  | <html lang="ja">
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    |  | <head>
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    |  |   <meta charset="UTF-8">
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    |  |   <meta name="viewport" content="width=device-width, initial-scale=1.0">
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    |  |   <title>LINE風 Redmineテーマ</title>
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    |  |   <style>
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    |  |     /* ベースとなる変数 */
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    |  |     :root {
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    |  |       --line-primary: #06C755;
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    |  |       --line-secondary: #1E1E1E;
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    |  |       --line-background: #F1F1F4;
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    |  |       --line-light-gray: #E8EAED;
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    |  |       --line-mid-gray: #D8D8DD;
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    |  |       --line-dark-gray: #8E8E93;
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    |  |       --line-white: #FFFFFF;
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    |  |       --line-panel-bg: #F8F8FA;
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    |  |       --line-sidebar-bg: #F1F2F4;
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    |  |       --line-active-item: #E1F7E8;
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    |  |       --line-border: #DCDCE0;
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    |  |       
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    |  |       --border-radius-small: 6px;
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    |  |       --border-radius-medium: 10px;
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    |  |       --border-radius-large: 14px;
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    |  |       
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    |  |       --shadow-small: 0 1px 3px rgba(0,0,0,0.1);
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    |  |       --shadow-medium: 0 4px 6px rgba(0,0,0,0.08);
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    |  |     }
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    |  |     
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    |  |     /* リセット */
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    |  |     * {
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    |  |       margin: 0;
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    |  |       padding: 0;
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    |  |       box-sizing: border-box;
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    |  |     }
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    |  |     
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    |  |     body {
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    |  |       font-family: 'Noto Sans JP', sans-serif;
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    |  |       background-color: var(--line-background);
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    |  |       color: var(--line-secondary);
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    |  |       line-height: 1.5;
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    |  |       font-size: 14px;
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    |  |       height: 100vh;
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    |  |       display: flex;
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    |  |       flex-direction: column;
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    |  |     }
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    |  |     
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    |  |     /* レイアウト */
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    |  |     .layout {
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    |  |       display: flex;
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    |  |       height: calc(100vh - 56px);
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    |  |       overflow: hidden;
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    |  |     }
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    |  |     
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    |  |     /* ヘッダー */
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    |  |     header {
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    |  |       background-color: var(--line-panel-bg);
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    |  |       height: 56px;
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    |  |       display: flex;
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    |  |       align-items: center;
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    |  |       justify-content: space-between;
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    |  |       padding: 0 16px;
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    |  |       border-bottom: 1px solid var(--line-border);
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    |  |       box-shadow: var(--shadow-small);
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    |  |     }
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    |  |     
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    |  |     .logo {
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    |  |       display: flex;
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    |  |       align-items: center;
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    |  |       font-weight: 600;
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    |  |       font-size: 16px;
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    |  |     }
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    |  |     
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    |  |     .logo img {
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    |  |       width: 28px;
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    |  |       height: 28px;
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    |  |       margin-right: 10px;
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    |  |     }
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    |  |     
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    |  |     .search-box {
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    |  |       position: relative;
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    |  |     }
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    |  |     
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    |  |     .search-box input {
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    |  |       background-color: var(--line-light-gray);
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    |  |       border: none;
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    |  |       border-radius: var(--border-radius-medium);
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    |  |       padding: 10px 12px 10px 36px;
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    |  |       width: 220px;
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    |  |       font-size: 14px;
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    |  |     }
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    |  |     
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    |  |     .search-box::before {
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    |  |       content: "⚲";
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    |  |       position: absolute;
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    |  |       left: 12px;
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    |  |       top: 50%;
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    |  |       transform: translateY(-50%);
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    |  |       color: var(--line-dark-gray);
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    |  |       font-size: 16px;
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    |  |     }
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    |  |     
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    |  |     .user-avatar {
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    |  |       width: 34px;
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    |  |       height: 34px;
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    |  |       border-radius: 50%;
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    |  |       background-color: var(--line-primary);
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    |  |       display: flex;
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    |  |       align-items: center;
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    |  |       justify-content: center;
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    |  |       color: var(--line-white);
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    |  |       font-weight: bold;
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    |  |     }
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    |  |     
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    |  |     /* サイドバー */
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    |  |     .sidebar {
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    |  |       display: flex;
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    |  |       height: 100%;
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    |  |     }
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    |  |     
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    |  |     .icon-bar {
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    |  |       width: 56px;
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    |  |       background-color: var(--line-sidebar-bg);
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    |  |       height: 100%;
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    |  |       padding: 10px 0;
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    |  |       display: flex;
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    |  |       flex-direction: column;
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    |  |       border-right: 1px solid var(--line-border);
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    |  |     }
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    |  |     
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    |  |     .icon-item {
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    |  |       height: 40px;
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    |  |       display: flex;
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    |  |       justify-content: center;
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    |  |       align-items: center;
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    |  |       margin: 5px 8px;
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    |  |       border-radius: var(--border-radius-small);
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    |  |       color: var(--line-dark-gray);
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    |  |       cursor: pointer;
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    |  |     }
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    |  |     
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    |  |     .icon-item.active {
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    |  |       background-color: var(--line-active-item);
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    |  |       color: var(--line-primary);
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    |  |     }
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    |  |     
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    |  |     .icon-item:hover {
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    |  |       background-color: var(--line-light-gray);
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    |  |     }
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    |  |     
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    |  |     .extended-sidebar {
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    |  |       width: 220px;
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    |  |       background-color: var(--line-sidebar-bg);
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    |  |       height: 100%;
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    |  |       border-right: 1px solid var(--line-border);
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    |  |       padding: 10px 0;
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    |  |       overflow-y: auto;
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    |  |     }
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    |  |     
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    |  |     .sidebar-section {
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    |  |       margin-bottom: 20px;
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    |  |     }
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    |  |     
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    |  |     .sidebar-title {
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    |  |       padding: 5px 15px;
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    |  |       font-size: 12px;
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    |  |       font-weight: 600;
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    |  |       color: var(--line-dark-gray);
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    |  |     }
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    |  |     
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    |  |     .sidebar-item {
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    |  |       padding: 8px 15px;
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    |  |       margin: 2px 8px;
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    |  |       display: flex;
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    |  |       align-items: center;
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    |  |       cursor: pointer;
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    |  |       border-radius: var(--border-radius-small);
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    |  |     }
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    |  |     
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    |  |     .sidebar-item.active {
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    |  |       background-color: var(--line-active-item);
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    |  |       color: var(--line-primary);
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    |  |       font-weight: 500;
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    |  |     }
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    |  |     
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    |  |     .sidebar-item:hover {
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    |  |       background-color: var(--line-light-gray);
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    |  |     }
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    |  |     
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    |  |     .sidebar-item i {
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    |  |       margin-right: 10px;
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    |  |     }
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    |  |     
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    |  |     /* メインコンテンツ */
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    |  |     .main-content {
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    |  |       flex: 1;
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    |  |       display: flex;
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    |  |       flex-direction: column;
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    |  |       overflow: hidden;
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    |  |     }
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    |  |     
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    |  |     .tab-bar {
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    |  |       background-color: var(--line-panel-bg);
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    |  |       height: 48px;
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    |  |       padding: 0 10px;
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    |  |       display: flex;
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    |  |       align-items: center;
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    |  |       border-bottom: 1px solid var(--line-border);
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    |  |       overflow-x: auto;
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    |  |     }
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    |  |     
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    |  |     .tab {
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    |  |       display: flex;
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    |  |       align-items: center;
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    |  |       height: 36px;
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    |  |       padding: 0 15px;
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    |  |       margin-right: 8px;
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    |  |       background-color: var(--line-light-gray);
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    |  |       border-radius: var(--border-radius-medium);
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    |  |       cursor: pointer;
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    |  |       border: 1px solid var(--line-mid-gray);
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    |  |       min-width: 120px;
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    |  |     }
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    |  |     
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    |  |     .tab.active {
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    |  |       background-color: var(--line-active-item);
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    |  |       color: var(--line-primary);
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    |  |       font-weight: 500;
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    |  |     }
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    |  |     
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    |  |     .tab i {
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    |  |       margin-right: 8px;
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    |  |     }
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    |  |     
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    |  |     .tab-close {
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    |  |       margin-left: auto;
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    |  |       width: 16px;
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    |  |       height: 16px;
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    |  |       display: flex;
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    |  |       align-items: center;
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    |  |       justify-content: center;
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    |  |       border-radius: 50%;
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    |  |       color: var(--line-dark-gray);
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    |  |       font-size: 14px;
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    |  |     }
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    |  |     
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    |  |     /* コンテンツエリア */
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    |  |     .content-area {
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    |  |       flex: 1;
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    |  |       padding: 20px;
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    |  |       overflow-y: auto;
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    |  |     }
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    |  |     
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    |  |     .content-header {
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    |  |       display: flex;
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    |  |       justify-content: space-between;
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    |  |       align-items: center;
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    |  |       margin-bottom: 20px;
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    |  |     }
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    |  |     
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    |  |     .content-title {
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    |  |       font-size: 24px;
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    |  |       font-weight: 600;
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    |  |     }
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    |  |     
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    |  |     .button {
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    |  |       background-color: var(--line-primary);
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    |  |       color: white;
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    |  |       border: none;
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    |  |       border-radius: var(--border-radius-medium);
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    |  |       padding: 10px 16px;
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    |  |       font-weight: 500;
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    |  |       cursor: pointer;
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    |  |       display: flex;
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    |  |       align-items: center;
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    |  |     }
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    |  |     
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    |  |     .button i {
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    |  |       margin-right: 8px;
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    |  |     }
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    |  |     
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    |  |     /* プロジェクトカード */
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    |  |     .project-card {
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    |  |       background-color: var(--line-white);
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    |  |       border-radius: var(--border-radius-large);
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    |  |       overflow: hidden;
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    |  |       margin-bottom: 20px;
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    |  |       box-shadow: var(--shadow-medium);
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    |  |       border: 1px solid var(--line-mid-gray);
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    |  |     }
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    |  |     
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    |  |     .project-header {
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    |  |       padding: 15px 20px;
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    |  |       background-color: var(--line-active-item);
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    |  |       display: flex;
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    |  |       justify-content: space-between;
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    |  |       align-items: center;
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    |  |       border-bottom: 1px solid var(--line-mid-gray);
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    |  |     }
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    |  |     
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    |  |     .project-title {
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    |  |       font-weight: 600;
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    |  |       font-size: 18px;
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    |  |       display: flex;
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    |  |       align-items: center;
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    |  |     }
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    |  |     
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    |  |     .project-title i {
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    |  |       margin-right: 10px;
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    |  |       color: var(--line-primary);
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    |  |     }
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    |  |     
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    |  |     .project-actions {
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    |  |       display: flex;
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    |  |       gap: 10px;
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    |  |     }
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    |  |     
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    |  |     .button-outline {
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    |  |       background-color: white;
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    |  |       color: var(--line-secondary);
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    |  |       border: 1px solid var(--line-mid-gray);
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    |  |       border-radius: var(--border-radius-medium);
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    |  |       padding: 8px 12px;
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    |  |       font-weight: 500;
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    |  |       cursor: pointer;
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    |  |       display: flex;
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    |  |       align-items: center;
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    |  |     }
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    |  |     
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    |  |     .button-outline i {
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    |  |       margin-right: 8px;
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    |  |     }
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    |  |     
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    |  |     .project-body {
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    |  |       padding: 20px;
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    |  |     }
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    |  |     
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    |  |     .project-stats {
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    |  |       display: flex;
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    |  |       gap: 15px;
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    |  |       margin-bottom: 20px;
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    |  |     }
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    |  |     
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    |  |     .stat-box {
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    |  |       flex: 1;
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    |  |       background-color: var(--line-light-gray);
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    |  |       border-radius: var(--border-radius-medium);
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    |  |       padding: 15px;
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    |  |       text-align: center;
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    |  |     }
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    |  |     
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    |  |     .stat-value {
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    |  |       font-size: 24px;
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    |  |       font-weight: 600;
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    |  |       margin-bottom: 5px;
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    |  |     }
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    |  |     
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    |  |     .stat-label {
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    |  |       font-size: 13px;
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    |  |       color: var(--line-dark-gray);
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    |  |     }
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    |  |     
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    |  |     .progress-bar {
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    |  |       height: 8px;
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    |  |       background-color: var(--line-light-gray);
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    |  |       border-radius: 4px;
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    |  |       margin: 10px 0 20px;
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    |  |       overflow: hidden;
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    |  |     }
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    |  |     
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    |  |     .progress-value {
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    |  |       height: 100%;
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    |  |       background-color: var(--line-primary);
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    |  |       width: 65%;
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    |  |     }
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    |  |     
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    |  |     .activity-list {
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    |  |       margin-top: 15px;
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    |  |     }
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    |  |     
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    |  |     .activity-item {
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    |  |       display: flex;
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    |  |       padding: 12px;
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    |  |       background-color: var(--line-light-gray);
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    |  |       border-radius: var(--border-radius-medium);
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    |  |       margin-bottom: 10px;
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    |  |     }
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    |  |     
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    |  |     .activity-icon {
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    |  |       width: 32px;
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    |  |       height: 32px;
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    |  |       border-radius: 50%;
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    |  |       background-color: var(--line-primary);
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    |  |       color: white;
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    |  |       display: flex;
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    |  |       align-items: center;
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    |  |       justify-content: center;
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    |  |       margin-right: 12px;
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    |  |     }
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    |  |     
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    |  |     .activity-content {
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    |  |       flex: 1;
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    |  |     }
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    |  |     
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    |  |     .activity-title {
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    |  |       margin-bottom: 5px;
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    |  |     }
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    |  |     
 | 
  
    |  |     .activity-time {
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    |  |       font-size: 12px;
 | 
  
    |  |       color: var(--line-dark-gray);
 | 
  
    |  |     }
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    |  |     
 | 
  
    |  |     /* フッター */
 | 
  
    |  |     .footer-bar {
 | 
  
    |  |       background-color: var(--line-panel-bg);
 | 
  
    |  |       height: 36px;
 | 
  
    |  |       display: flex;
 | 
  
    |  |       align-items: center;
 | 
  
    |  |       border-top: 1px solid var(--line-border);
 | 
  
    |  |       padding: 0 10px;
 | 
  
    |  |     }
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    |  |     
 | 
  
    |  |     .footer-tab {
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    |  |       display: flex;
 | 
  
    |  |       align-items: center;
 | 
  
    |  |       font-size: 13px;
 | 
  
    |  |       padding: 0 15px;
 | 
  
    |  |       height: 28px;
 | 
  
    |  |       margin-right: 5px;
 | 
  
    |  |       border-radius: 4px;
 | 
  
    |  |     }
 | 
  
    |  |     
 | 
  
    |  |     .footer-tab.active {
 | 
  
    |  |       background-color: var(--line-active-item);
 | 
  
    |  |       color: var(--line-primary);
 | 
  
    |  |     }
 | 
  
    |  |     
 | 
  
    |  |     .footer-tab i {
 | 
  
    |  |       margin-right: 5px;
 | 
  
    |  |       font-size: 14px;
 | 
  
    |  |     }
 | 
  
    |  |     
 | 
  
    |  |     @media (max-width: 768px) {
 | 
  
    |  |       .extended-sidebar {
 | 
  
    |  |         display: none;
 | 
  
    |  |       }
 | 
  
    |  |     }
 | 
  
    |  |   </style>
 | 
  
    |  | </head>
 | 
  
    |  | <body>
 | 
  
    |  |   <!-- ヘッダー -->
 | 
  
    |  |   <header>
 | 
  
    |  |     <div class="logo">
 | 
  
    |  |       <img src="/api/placeholder/28/28" alt="LINE Redmine">
 | 
  
    |  |       <span>LINE Redmine</span>
 | 
  
    |  |     </div>
 | 
  
    |  |     
 | 
  
    |  |     <div class="search-box">
 | 
  
    |  |       <input type="text" placeholder="検索...">
 | 
  
    |  |     </div>
 | 
  
    |  |     
 | 
  
    |  |     <div class="user-avatar">U</div>
 | 
  
    |  |   </header>
 | 
  
    |  |   
 | 
  
    |  |   <!-- メインレイアウト -->
 | 
  
    |  |   <div class="layout">
 | 
  
    |  |     <!-- サイドバー -->
 | 
  
    |  |     <div class="sidebar">
 | 
  
    |  |       <!-- アイコンバー -->
 | 
  
    |  |       <div class="icon-bar">
 | 
  
    |  |         <div class="icon-item active">H</div>
 | 
  
    |  |         <div class="icon-item">P</div>
 | 
  
    |  |         <div class="icon-item">T</div>
 | 
  
    |  |         <div class="icon-item">S</div>
 | 
  
    |  |         <div class="icon-item">?</div>
 | 
  
    |  |       </div>
 | 
  
    |  |       
 | 
  
    |  |       <!-- 拡張サイドバー -->
 | 
  
    |  |       <div class="extended-sidebar">
 | 
  
    |  |         <div class="sidebar-section">
 | 
  
    |  |           <div class="sidebar-title">Redmine</div>
 | 
  
    |  |           <div class="sidebar-item active"><i>H</i> ホーム</div>
 | 
  
    |  |           <div class="sidebar-item"><i>M</i> マイページ</div>
 | 
  
    |  |           <div class="sidebar-item"><i>P</i> プロジェクト</div>
 | 
  
    |  |           <div class="sidebar-item"><i>A</i> 管理</div>
 | 
  
    |  |           <div class="sidebar-item"><i>?</i> ヘルプ</div>
 | 
  
    |  |         </div>
 | 
  
    |  |         
 | 
  
    |  |         <div class="sidebar-section">
 | 
  
    |  |           <div class="sidebar-title">プロジェクト</div>
 | 
  
    |  |           <div class="sidebar-item"><i>D</i> LINEデザインシステム</div>
 | 
  
    |  |           <div class="sidebar-item"><i>M</i> モバイルアプリ</div>
 | 
  
    |  |           <div class="sidebar-item"><i>A</i> 認証システム</div>
 | 
  
    |  |           <div class="sidebar-item"><i>I</i> API開発</div>
 | 
  
    |  |         </div>
 | 
  
    |  |       </div>
 | 
  
    |  |     </div>
 | 
  
    |  |     
 | 
  
    |  |     <!-- メインコンテンツ -->
 | 
  
    |  |     <div class="main-content">
 | 
  
    |  |       <!-- タブバー -->
 | 
  
    |  |       <div class="tab-bar">
 | 
  
    |  |         <div class="tab active">
 | 
  
    |  |           <i>H</i>
 | 
  
    |  |           <span>ダッシュボード</span>
 | 
  
    |  |           <div class="tab-close">×</div>
 | 
  
    |  |         </div>
 | 
  
    |  |         <div class="tab">
 | 
  
    |  |           <i>P</i>
 | 
  
    |  |           <span>プロジェクト</span>
 | 
  
    |  |           <div class="tab-close">×</div>
 | 
  
    |  |         </div>
 | 
  
    |  |         <div class="tab">
 | 
  
    |  |           <i>T</i>
 | 
  
    |  |           <span>チケット #123</span>
 | 
  
    |  |           <div class="tab-close">×</div>
 | 
  
    |  |         </div>
 | 
  
    |  |       </div>
 | 
  
    |  |       
 | 
  
    |  |       <!-- コンテンツエリア -->
 | 
  
    |  |       <div class="content-area">
 | 
  
    |  |         <div class="content-header">
 | 
  
    |  |           <h1 class="content-title">ダッシュボード</h1>
 | 
  
    |  |           <button class="button">
 | 
  
    |  |             <i>+</i> 新規プロジェクト
 | 
  
    |  |           </button>
 | 
  
    |  |         </div>
 | 
  
    |  |         
 | 
  
    |  |         <!-- プロジェクトカード -->
 | 
  
    |  |         <div class="project-card">
 | 
  
    |  |           <div class="project-header">
 | 
  
    |  |             <div class="project-title">
 | 
  
    |  |               <i>D</i> LINE デザインシステム
 | 
  
    |  |             </div>
 | 
  
    |  |             <div class="project-actions">
 | 
  
    |  |               <button class="button-outline">
 | 
  
    |  |                 <i>+</i> チケット
 | 
  
    |  |               </button>
 | 
  
    |  |               <button class="button-outline">
 | 
  
    |  |                 <i>D</i> 詳細
 | 
  
    |  |               </button>
 | 
  
    |  |             </div>
 | 
  
    |  |           </div>
 | 
  
    |  |           
 | 
  
    |  |           <div class="project-body">
 | 
  
    |  |             <div class="project-stats">
 | 
  
    |  |               <div class="stat-box">
 | 
  
    |  |                 <div class="stat-value">24</div>
 | 
  
    |  |                 <div class="stat-label">全チケット</div>
 | 
  
    |  |               </div>
 | 
  
    |  |               <div class="stat-box">
 | 
  
    |  |                 <div class="stat-value">12</div>
 | 
  
    |  |                 <div class="stat-label">進行中</div>
 | 
  
    |  |               </div>
 | 
  
    |  |               <div class="stat-box">
 | 
  
    |  |                 <div class="stat-value">8</div>
 | 
  
    |  |                 <div class="stat-label">完了</div>
 | 
  
    |  |               </div>
 | 
  
    |  |               <div class="stat-box">
 | 
  
    |  |                 <div class="stat-value">4</div>
 | 
  
    |  |                 <div class="stat-label">未対応</div>
 | 
  
    |  |               </div>
 | 
  
    |  |             </div>
 | 
  
    |  |             
 | 
  
    |  |             <div class="progress-bar">
 | 
  
    |  |               <div class="progress-value"></div>
 | 
  
    |  |             </div>
 | 
  
    |  |             
 | 
  
    |  |             <div class="activity-list">
 | 
  
    |  |               <div class="activity-item">
 | 
  
    |  |                 <div class="activity-icon">E</div>
 | 
  
    |  |                 <div class="activity-content">
 | 
  
    |  |                   <div class="activity-title">
 | 
  
    |  |                     <strong>中村 優太</strong> が <a href="#">#123: ボタンスタイル</a> を更新しました
 | 
  
    |  |                   </div>
 | 
  
    |  |                   <div class="activity-time">20分前</div>
 | 
  
    |  |                 </div>
 | 
  
    |  |               </div>
 | 
  
    |  |               
 | 
  
    |  |               <div class="activity-item">
 | 
  
    |  |                 <div class="activity-icon">C</div>
 | 
  
    |  |                 <div class="activity-content">
 | 
  
    |  |                   <div class="activity-title">
 | 
  
    |  |                     <strong>佐藤 春子</strong> が <a href="#">#123: ボタンスタイル</a> にコメントしました
 | 
  
    |  |                   </div>
 | 
  
    |  |                   <div class="activity-time">2時間前</div>
 | 
  
    |  |                 </div>
 | 
  
    |  |               </div>
 | 
  
    |  |             </div>
 | 
  
    |  |           </div>
 | 
  
    |  |         </div>
 | 
  
    |  |         
 | 
  
    |  |         <!-- もう一つのプロジェクトカード -->
 | 
  
    |  |         <div class="project-card">
 | 
  
    |  |           <div class="project-header">
 | 
  
    |  |             <div class="project-title">
 | 
  
    |  |               <i>M</i> モバイルアプリ
 | 
  
    |  |             </div>
 | 
  
    |  |             <div class="project-actions">
 | 
  
    |  |               <button class="button-outline">
 | 
  
    |  |                 <i>+</i> チケット
 | 
  
    |  |               </button>
 | 
  
    |  |               <button class="button-outline">
 | 
  
    |  |                 <i>D</i> 詳細
 | 
  
    |  |               </button>
 | 
  
    |  |             </div>
 | 
  
    |  |           </div>
 | 
  
    |  |           
 | 
  
    |  |           <div class="project-body">
 | 
  
    |  |             <div class="project-stats">
 | 
  
    |  |               <div class="stat-box">
 | 
  
    |  |                 <div class="stat-value">42</div>
 | 
  
    |  |                 <div class="stat-label">全チケット</div>
 | 
  
    |  |               </div>
 | 
  
    |  |               <div class="stat-box">
 | 
  
    |  |                 <div class="stat-value">18</div>
 | 
  
    |  |                 <div class="stat-label">進行中</div>
 | 
  
    |  |               </div>
 | 
  
    |  |               <div class="stat-box">
 | 
  
    |  |                 <div class="stat-value">20</div>
 | 
  
    |  |                 <div class="stat-label">完了</div>
 | 
  
    |  |               </div>
 | 
  
    |  |               <div class="stat-box">
 | 
  
    |  |                 <div class="stat-value">4</div>
 | 
  
    |  |                 <div class="stat-label">未対応</div>
 | 
  
    |  |               </div>
 | 
  
    |  |             </div>
 | 
  
    |  |             
 | 
  
    |  |             <div class="progress-bar">
 | 
  
    |  |               <div class="progress-value" style="width: 75%"></div>
 | 
  
    |  |             </div>
 | 
  
    |  |           </div>
 | 
  
    |  |         </div>
 | 
  
    |  |       </div>
 | 
  
    |  |       
 | 
  
    |  |       <!-- フッターバー -->
 | 
  
    |  |       <div class="footer-bar">
 | 
  
    |  |         <div class="footer-tab active">
 | 
  
    |  |           <i>i</i> 情報
 | 
  
    |  |         </div>
 | 
  
    |  |         <div class="footer-tab">
 | 
  
    |  |           <i>!</i> 警告: 0
 | 
  
    |  |         </div>
 | 
  
    |  |         <div class="footer-tab">
 | 
  
    |  |           <i>×</i> エラー: 0
 | 
  
    |  |         </div>
 | 
  
    |  |       </div>
 | 
  
    |  |     </div>
 | 
  
    |  |   </div>
 | 
  
    |  |   
 | 
  
    |  |   <script>
 | 
  
    |  |     // 簡単なインタラクション
 | 
  
    |  |     document.querySelectorAll('.tab').forEach(tab => {
 | 
  
    |  |       tab.addEventListener('click', function() {
 | 
  
    |  |         document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
 | 
  
    |  |         this.classList.add('active');
 | 
  
    |  |       });
 | 
  
    |  |     });
 | 
  
    |  |     
 | 
  
    |  |     document.querySelectorAll('.icon-item').forEach(item => {
 | 
  
    |  |       item.addEventListener('click', function() {
 | 
  
    |  |         document.querySelectorAll('.icon-item').forEach(i => i.classList.remove('active'));
 | 
  
    |  |         this.classList.add('active');
 | 
  
    |  |       });
 | 
  
    |  |     });
 | 
  
    |  |     
 | 
  
    |  |     document.querySelectorAll('.sidebar-item').forEach(item => {
 | 
  
    |  |       item.addEventListener('click', function() {
 | 
  
    |  |         document.querySelectorAll('.sidebar-item').forEach(i => i.classList.remove('active'));
 | 
  
    |  |         this.classList.add('active');
 | 
  
    |  |       });
 | 
  
    |  |     });
 | 
  
    |  |   </script>
 | 
  
    |  | </body>
 | 
  
    |  | </html>
 |