:root{--flow-color:#10b981;--normal-color:#3b82f6;--slow-color:#f59e0b;--stopped-color:#ef4444;--bg-primary:#0f0f0f;--bg-secondary:#1a1a1a;--bg-tertiary:#2a2a2a;--text-primary:#ffffff;--text-secondary:#a0a0a0;--text-muted:#666666;--border-color:#333333;font-family:Noto Sans JP,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:#ffffff;background-color:#0f0f0f;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;padding:0}*,body{margin:0}body{min-width:320px;min-height:100vh;background:var(--bg-primary);color:var(--text-primary);font-family:Noto Sans JP,-apple-system,BlinkMacSystemFont,sans-serif}button{font-family:inherit}.app{flex-direction:column}.app,.start-screen{min-height:100vh;display:flex}.start-screen{align-items:center;justify-content:center;padding:2rem}.start-content{max-width:600px;text-align:center}.title{font-size:3rem;font-weight:300;letter-spacing:.2em;margin-bottom:.5rem;background:linear-gradient(135deg,#fff,#888);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{font-size:1rem;color:var(--text-secondary);margin-bottom:2rem;letter-spacing:.1em}.description{color:var(--text-muted);line-height:2;margin-bottom:3rem}.start-button{padding:1.25rem 3rem;border:1px solid var(--normal-color);border-radius:12px;background:transparent;color:var(--text-primary);font-size:1.2rem;cursor:pointer;transition:all .3s ease;margin-bottom:3rem}.start-button:hover{background:var(--normal-color);transform:translateY(-2px)}.tips{text-align:left;padding:1.5rem;background:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color)}.tips h3{font-size:.9rem;color:var(--text-secondary);margin-bottom:1rem;font-weight:500}.tips ul{list-style:none}.tips li{color:var(--text-muted);padding:.5rem 0 .5rem 1.5rem;position:relative}.tips li:before{content:"•";position:absolute;left:0;color:var(--normal-color)}.privacy{text-align:left;padding:1.5rem;background:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color);margin-top:1rem}.privacy h3{font-size:.9rem;color:var(--text-secondary);margin-bottom:1rem;font-weight:500}.privacy ul{list-style:none}.privacy li{color:var(--text-muted);padding:.5rem 0 .5rem 1.5rem;position:relative}.privacy li:before{content:"•";position:absolute;left:0;color:var(--flow-color)}.github-footer{margin-top:2rem;text-align:center}.github-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--text-muted);text-decoration:none;font-size:.85rem;transition:color .2s ease}.github-link:hover{color:var(--text-secondary)}.github-link svg{flex-shrink:0}.journal-editor{display:flex;flex-direction:column;height:100vh}.editor-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;background:var(--bg-secondary);border-bottom:1px solid var(--border-color)}.timer{display:flex;align-items:baseline;gap:.5rem}.timer-elapsed{font-size:1.5rem;font-weight:300;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.timer-label{font-size:.85rem;color:var(--text-muted)}.flow-gauge{flex:1 1;max-width:400px;margin:0 2rem}.gauge-bar{height:8px;background:var(--bg-tertiary);border-radius:4px;overflow:hidden}.gauge-fill{height:100%;transition:width .3s ease,background-color .3s ease;border-radius:4px}.gauge-info{display:flex;justify-content:space-between;margin-top:.5rem;font-size:.85rem}.gauge-state{font-weight:500}.gauge-cpm{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.end-button,.gauge-cpm{color:var(--text-secondary)}.end-button{padding:.5rem 1.5rem;background:transparent;border:1px solid var(--border-color);border-radius:6px;cursor:pointer;transition:all .2s ease}.end-button:hover{border-color:var(--stopped-color);color:var(--stopped-color)}.editor-container{flex:1 1;position:relative;overflow:hidden}.editor-textarea{width:100%;height:100%;padding:2rem;background:transparent;border:none;color:var(--text-primary);font-size:1.2rem;line-height:2;resize:none;outline:none;transition:opacity .5s ease}.editor-textarea::placeholder{color:var(--text-muted)}.editor-footer{padding:1rem 2rem;background:var(--bg-secondary);border-top:1px solid var(--border-color)}.char-count{font-size:.85rem;color:var(--text-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.fog-overlay{pointer-events:none;transition:opacity .5s ease}.fog-layer,.fog-overlay{position:absolute;inset:0}.fog-layer{background:radial-gradient(ellipse at center,transparent 0,var(--bg-primary) 70%)}.fog-1{animation:fogMove1 8s ease-in-out infinite}.fog-2{animation:fogMove2 12s ease-in-out infinite;opacity:.7}.fog-3{animation:fogMove3 10s ease-in-out infinite;opacity:.5}@keyframes fogMove1{0%,to{transform:translate(-5%,-5%) scale(1.1)}50%{transform:translate(5%,5%) scale(1)}}@keyframes fogMove2{0%,to{transform:translate(5%,-5%) scale(1)}50%{transform:translate(-5%,5%) scale(1.1)}}@keyframes fogMove3{0%,to{transform:translateY(5%) scale(1.05)}50%{transform:translateY(-5%) scale(1)}}.countdown-banner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10}.countdown-content{background:rgba(15,15,15,.95);border:1px solid var(--stopped-color);border-radius:16px;padding:2rem 3rem;text-align:center;animation:pulse 1s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}.countdown-timer{display:flex;align-items:baseline;justify-content:center;gap:.25rem;margin-bottom:1rem}.countdown-number{font-size:4rem;font-weight:200;color:var(--stopped-color);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.countdown-label{font-size:1.5rem;color:var(--text-secondary)}.countdown-message{margin-bottom:1rem}.countdown-warning{font-size:1.2rem;color:var(--stopped-color);margin-bottom:.5rem}.countdown-hint{font-size:.9rem;color:var(--text-secondary)}.recovery-progress{height:4px;background:var(--bg-tertiary);border-radius:2px;overflow:hidden}.recovery-bar{height:100%;background:var(--flow-color);transition:width .1s ease}.result-screen{min-height:100vh;padding:2rem;max-width:800px;margin:0 auto}.session-stats,.stats-title{margin-bottom:2rem}.stats-title{font-size:1.5rem;font-weight:300;text-align:center;color:var(--text-secondary)}.stats-row{display:flex;justify-content:center;gap:2rem;padding:1rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px}.stat-item{text-align:center}.stat-item.highlight .stat-value{color:var(--flow-color)}.stat-value{display:block;font-size:1.5rem;font-weight:300;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.stat-label{font-size:.75rem;color:var(--text-muted)}.written-text{margin:2rem 0;padding:1.5rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px}.written-text h3{font-size:.9rem;font-weight:500;color:var(--text-secondary);margin-bottom:1rem}.text-content{max-height:300px;overflow-y:auto;line-height:1.8;color:var(--text-primary);white-space:pre-wrap}.ai-summary{margin:2rem 0}.generate-button{width:100%;padding:1rem 2rem;background:linear-gradient(135deg,var(--normal-color) 0,#6366f1 100%);border:none;border-radius:12px;color:white;font-size:1rem;cursor:pointer;transition:transform .2s ease,opacity .2s ease}.generate-button:hover:not(:disabled){transform:translateY(-2px)}.generate-button:disabled{opacity:.5;cursor:not-allowed}.loading{display:flex;align-items:center;justify-content:center;gap:1rem;padding:2rem;color:var(--text-secondary)}.spinner{width:24px;height:24px;border:2px solid var(--border-color);border-top-color:var(--normal-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.error{color:var(--stopped-color);text-align:center;padding:1rem}.summary-result{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;overflow:hidden}.summary-section{padding:1.5rem;border-bottom:1px solid var(--border-color)}.summary-section:last-child{border-bottom:none}.summary-section.highlight{background:rgba(16,185,129,.1)}.summary-section h3{font-size:.85rem;font-weight:500;color:var(--text-secondary);margin-bottom:.75rem}.summary-section p{line-height:1.8}.summary-list{list-style:none;padding:0;margin:0}.summary-list li{position:relative;padding-left:1.25rem;line-height:1.8;margin-bottom:.25rem}.summary-list li:before{content:"•";position:absolute;left:0;color:var(--text-secondary)}.emotion-tags{display:flex;flex-wrap:wrap;gap:.5rem}.emotion-tag{padding:.5rem 1rem;background:var(--bg-tertiary);border-radius:20px}.copy-button,.emotion-tag{font-size:.9rem;color:var(--text-secondary)}.copy-button{width:100%;padding:.75rem;background:transparent;border:1px solid var(--border-color);border-radius:8px;cursor:pointer;transition:all .2s ease;margin-top:1rem}.copy-button:hover{border-color:var(--normal-color);color:var(--text-primary)}.restart-button{width:100%;padding:1rem 2rem;background:transparent;border:1px solid var(--border-color);border-radius:12px;color:var(--text-primary);font-size:1rem;cursor:pointer;transition:all .2s ease;margin-top:2rem}.restart-button:hover{border-color:var(--normal-color);background:var(--bg-secondary)}@media (max-width:768px){.title{font-size:2rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.editor-header{flex-wrap:wrap;gap:1rem}.flow-gauge{order:3;width:100%;max-width:none;margin:0}}