:root{--bg-dark:#0f172a;--bg-card:#1e293bb3;--text-primary:#f8fafc;--text-secondary:#94a3b8;--accent-color:#3b82f6;--ruling-party-border:#d7033a;--glass-bg:#1e293b99;--glass-border:#ffffff1a;--glass-blur:blur(12px);--glass-shadow:0 4px 30px #0000001a}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-attachment:fixed;background-color:#0f172a;background-color:var(--bg-dark);background-image:radial-gradient(circle at 15% 50%,#3b82f626,#0000 25%),radial-gradient(circle at 85% 30%,#d7033a1a,#0000 25%);color:#f8fafc;color:var(--text-primary);font-family:Inter,Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;margin:0;min-height:100vh;padding:0}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}h1,h2,h3,h4,h5,h6{font-weight:600;letter-spacing:.05em;margin:0 0 1rem}p{line-height:1.6;margin:0 0 1rem}*{box-sizing:border-box}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#0f172a;background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:#94a3b8;background:var(--text-secondary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#3b82f6;background:var(--accent-color)}.app-container{display:flex;flex-direction:column;min-height:100vh}.dashboard-header{align-items:center;backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);background:var(--glass-bg);border-bottom:1px solid var(--glass-border);display:flex;justify-content:space-between;padding:1.5rem 2rem;position:-webkit-sticky;position:sticky;top:0;z-index:100}.dashboard-header h1{-webkit-text-fill-color:#0000;background:linear-gradient(90deg,#60a5fa,#a78bfa);-webkit-background-clip:text;font-size:1.5rem;margin:0}.header-actions button{background:#ffffff1a;border:1px solid var(--glass-border);border-radius:8px;color:var(--text-primary);cursor:pointer;font-weight:600;padding:.5rem 1rem;transition:all .2s ease}.header-actions button:hover{background:#fff3;transform:translateY(-1px)}.dashboard-content{display:flex;flex:1 1;flex-direction:column;gap:2rem;padding:2rem}.glass-card{backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;box-shadow:var(--glass-shadow);padding:1.5rem;transition:transform .3s ease,box-shadow .3s ease}.glass-card:hover{box-shadow:0 8px 30px #00000026;transform:translateY(-2px)}.summary-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.stat-card{align-items:center;display:flex;flex-direction:column;justify-content:center;text-align:center}.stat-card.ruling-highlight{border-bottom:3px solid var(--ruling-party-border)}.stat-label{color:var(--text-secondary);font-size:.875rem;letter-spacing:.05em;margin-bottom:.5rem;text-transform:uppercase}.stat-value{color:var(--text-primary);font-size:2.5rem;font-weight:700}.prefectures-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.pref-card{overflow:hidden;position:relative}.pref-title{border-bottom:1px solid #ffffff0d;font-size:1.25rem;font-weight:600;margin-bottom:1rem;padding-bottom:.5rem;text-align:center}.pref-chart-container{height:180px;position:relative}.pref-total-seats{bottom:0;color:var(--text-primary);font-size:1.25rem;font-weight:700;left:0;position:absolute;right:0;text-align:center}.loader-container{align-items:center;display:flex;flex-direction:column;height:50vh;justify-content:center}.spinner{animation:spin 1s linear infinite;border:4px solid #ffffff1a;border-radius:50%;border-top:4px solid var(--accent-color);height:40px;margin-bottom:1rem;width:40px}@keyframes spin{to{transform:rotate(1turn)}}.error-container{background:#ef44441a;border:1px solid #ef444433;border-radius:8px;color:#ef4444;padding:1rem;text-align:center}.App-logo{height:40vmin;pointer-events:none}@media (prefers-reduced-motion:no-preference){.App-logo{animation:App-logo-spin 20s linear infinite}}.App{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial;text-align:center}.App-header{background:linear-gradient(180deg,#0f172a,#1e293b);color:#e6eef8;min-height:100vh;padding:40px 20px}.file-label input[type=file]{display:block;margin-top:8px}.excel-chart{margin:20px auto}.chart-wrapper{margin-top:24px}.chart-area{background:#fff;border-radius:8px;display:inline-block;padding:12px}.last-row-chart,.prefectures-grid{color:#e6eef8;margin-top:28px}.prefectures-grid .grid{grid-gap:12px;display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));margin-top:12px}.pref-card{background:#0b1220;border-radius:8px;color:#e6eef8;padding:8px;text-align:center}.pref-title{font-size:14px;margin-bottom:6px}.pref-chart{height:100px;width:100%}.pref-seat{color:#e6eef8;font-size:24px;font-weight:800;pointer-events:none}.pref-chart{position:relative}.pref-chart .pref-seat{bottom:8px}
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