:root{--color-bg: #ffffff;--color-surface: #f8f9fa;--color-border: #e2e8f0;--color-text: #1a202c;--color-text-secondary: #64748b;--color-primary: #0066cc;--color-primary-hover: #0052a3;--color-profit: #16a34a;--color-loss: #dc2626;--color-danger: #dc2626;--color-danger-hover: #b91c1c;--color-card-bg: #ffffff;--color-nav-bg: #f1f5f9;--color-modal-bg: #ffffff;--color-overlay: rgba(0, 0, 0, .4);--color-badge-buy: #dbeafe;--color-badge-buy-text: #1d4ed8;--color-badge-sell: #fef2f2;--color-badge-sell-text: #dc2626;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1);--shadow-lg: 0 8px 24px rgba(0,0,0,.12);--radius: 12px;--radius-sm: 8px}@media (prefers-color-scheme: dark){:root{--color-bg: #0f172a;--color-surface: #1e293b;--color-border: #334155;--color-text: #f1f5f9;--color-text-secondary: #94a3b8;--color-primary: #3b82f6;--color-primary-hover: #60a5fa;--color-card-bg: #1e293b;--color-nav-bg: #1e293b;--color-modal-bg: #1e293b;--color-overlay: rgba(0, 0, 0, .6);--color-badge-buy: #1e3a5f;--color-badge-buy-text: #93c5fd;--color-badge-sell: #3b1111;--color-badge-sell-text: #fca5a5;--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.4);--shadow-lg: 0 8px 24px rgba(0,0,0,.5)}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,Meiryo,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}#app{max-width:960px;margin:0 auto;padding:16px}.tab-nav{display:flex;gap:4px;background:var(--color-nav-bg);border-radius:0;padding:4px 4px calc(4px + env(safe-area-inset-bottom,0px));position:fixed;bottom:0;left:0;right:0;z-index:10;box-shadow:0 -1px 8px #0000001a;border-top:1px solid var(--color-border)}.tab-content{padding-bottom:72px}.tab-btn{flex:1;padding:12px 8px;border:none;background:transparent;color:var(--color-text-secondary);font-size:14px;font-weight:500;border-radius:var(--radius-sm);cursor:pointer;transition:all .2s ease;min-height:48px}.tab-btn:hover{color:var(--color-text)}.tab-btn.active{background:var(--color-card-bg);color:var(--color-primary);box-shadow:var(--shadow-sm);font-weight:600}.tab-panel{display:none;animation:fadeIn .3s ease}.tab-panel.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.panel-header{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;min-height:48px;min-width:48px}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-border)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover{background:var(--color-danger-hover)}.btn-sm{padding:8px 14px;font-size:13px;min-height:40px;background:var(--color-surface);color:var(--color-text-secondary);border:1px solid var(--color-border);border-radius:6px}.btn-sm.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-sm:hover:not(.active){background:var(--color-border)}.btn-icon{background:none;border:none;cursor:pointer;font-size:16px;color:var(--color-text-secondary);width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease}.btn-icon:hover{background:var(--color-surface);color:var(--color-danger)}.stock-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.stock-card{background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;transition:all .3s ease;animation:cardIn .4s ease backwards}.stock-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}@keyframes cardIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.stock-card:nth-child(1){animation-delay:0ms}.stock-card:nth-child(2){animation-delay:50ms}.stock-card:nth-child(3){animation-delay:.1s}.stock-card:nth-child(4){animation-delay:.15s}.stock-card:nth-child(5){animation-delay:.2s}.stock-card:nth-child(6){animation-delay:.25s}.stock-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.stock-code{font-size:12px;color:var(--color-text-secondary);font-weight:500;letter-spacing:.5px}.stock-name{font-size:16px;font-weight:600;margin-bottom:16px}.stock-details{display:flex;flex-direction:column;gap:8px}.stock-row{display:flex;justify-content:space-between;font-size:14px;color:var(--color-text-secondary)}.stock-row span:last-child{font-weight:500;color:var(--color-text)}.pl-row span:last-child{font-weight:600;font-size:15px}.stock-card-actions{margin-top:16px;padding-top:12px;border-top:1px solid var(--color-border)}.btn-sell{width:100%;background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:6px;padding:10px;font-size:14px;cursor:pointer;transition:all .2s ease;min-height:44px}.btn-sell:hover{border-color:var(--color-primary);color:var(--color-primary)}.profit{color:var(--color-profit)}.loss{color:var(--color-loss)}.profit-bg{background:var(--color-profit)}.loss-bg{background:var(--color-loss)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--color-overlay);display:flex;align-items:center;justify-content:center;z-index:100;opacity:0;transition:opacity .2s ease;padding:16px}.modal-overlay.hidden{display:none}.modal-overlay.visible{opacity:1}.modal{background:var(--color-modal-bg);border-radius:var(--radius);padding:32px;width:100%;max-width:400px;box-shadow:var(--shadow-lg);transform:scale(.95);transition:transform .2s ease}.modal-overlay.visible .modal{transform:scale(1)}.modal h2{font-size:18px;font-weight:600;margin-bottom:20px}.modal p{font-size:14px;color:var(--color-text-secondary);margin-bottom:12px}.modal form{display:flex;flex-direction:column;gap:16px}.modal label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500}.modal input{padding:12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;background:var(--color-surface);color:var(--color-text);transition:border-color .2s;min-height:48px}.modal input:focus{outline:none;border-color:var(--color-primary)}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:8px}.warning-text{color:var(--color-danger)!important;font-size:13px!important}.history-controls{flex-direction:column;gap:12px}.filter-group{display:flex;gap:6px;flex-wrap:wrap}.sort-group select{padding:10px 14px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:14px;min-height:44px;cursor:pointer}.history-table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--color-border)}.history-table{width:100%;border-collapse:collapse;font-size:14px}.history-table th{background:var(--color-surface);padding:12px 16px;text-align:left;font-weight:600;font-size:13px;color:var(--color-text-secondary);white-space:nowrap}.history-table td{padding:12px 16px;border-top:1px solid var(--color-border);white-space:nowrap}.history-table tr:hover td{background:var(--color-surface)}.badge{display:inline-block;padding:2px 10px;border-radius:4px;font-size:12px;font-weight:600}.badge-buy{background:var(--color-badge-buy);color:var(--color-badge-buy-text)}.badge-sell{background:var(--color-badge-sell);color:var(--color-badge-sell-text)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:32px}.stat-card{background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:8px}.stat-label{font-size:13px;color:var(--color-text-secondary);font-weight:500}.stat-value{font-size:22px;font-weight:700}.charts-row{display:grid;grid-template-columns:1fr 1fr;gap:24px}.chart-section{background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:var(--radius);padding:24px}.chart-section h3{font-size:15px;font-weight:600;margin-bottom:20px}.bar-chart{display:flex;flex-direction:column;gap:16px}.bar-row{display:flex;align-items:center;gap:12px}.bar-label{font-size:13px;min-width:100px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bar-track{flex:1;height:24px;background:var(--color-surface);border-radius:4px;overflow:hidden}.bar-fill{height:100%;border-radius:4px;transition:width .6s ease;animation:barGrow .8s ease backwards}@keyframes barGrow{0%{width:0!important}}.bar-value{font-size:13px;font-weight:600;min-width:80px;text-align:right}.pie-container{display:flex;flex-direction:column;align-items:center;gap:16px}.pie-chart{width:120px;height:120px;border-radius:50%;animation:pieRotate .8s ease}@keyframes pieRotate{0%{transform:rotate(-90deg);opacity:0}to{transform:rotate(0);opacity:1}}.pie-legend{display:flex;flex-direction:column;gap:8px}.legend-item{display:flex;align-items:center;gap:8px;font-size:13px}.legend-dot{width:12px;height:12px;border-radius:3px;display:inline-block}.empty-msg{text-align:center;color:var(--color-text-secondary);padding:40px 16px;font-size:14px}@media (max-width: 640px){.stock-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.charts-row{grid-template-columns:1fr}.tab-btn{font-size:12px;padding:10px 4px}.history-table{font-size:12px}.history-table th,.history-table td{padding:10px 8px}}@media (max-width: 400px){.stats-grid{grid-template-columns:1fr}}