:root{--font-serif:"Noto Sans JP", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "Yu Gothic", "游ゴシック体", "Meiryo", "メイリオ", sans-serif;--font-sans:"Noto Sans JP", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "Yu Gothic", "游ゴシック体", "Meiryo", "メイリオ", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--content-width:680px;--sidebar-width:240px;--nav-height:60px;--transition-fast:.12s ease-out;--transition-normal:.2s ease-out;--transition-slow:.3s ease-out;--color-bg:#faf9f7;--color-bg-elevated:#fff;--color-bg-muted:#f3f1ee;--color-text:#1a1a1a;--color-text-muted:#6b6965;--color-text-subtle:#9a9590;--color-border:#e8e5e1;--color-border-muted:#f0ede9;--color-accent:#2563eb;--color-accent-hover:#1d4ed8;--color-accent-subtle:#dbeafe;--color-success:#059669;--color-warning:#d97706;--color-error:#dc2626;--color-shadow:#0000001a;--editor-bg:var(--color-bg-elevated);--editor-selection:#2563eb26;--editor-cursor:var(--color-accent)}:root.light,html.light{--color-bg:#faf9f7;--color-bg-elevated:#fff;--color-bg-muted:#f3f1ee;--color-text:#1a1a1a;--color-text-muted:#6b6965;--color-text-subtle:#9a9590;--color-border:#e8e5e1;--color-border-muted:#f0ede9;--color-accent:#2563eb;--color-accent-hover:#1d4ed8;--color-accent-subtle:#dbeafe;--color-success:#059669;--color-warning:#d97706;--color-error:#dc2626;--color-shadow:#0000001a;--color-bg-rgb:250, 249, 247;--editor-bg:var(--color-bg-elevated);--editor-selection:#2563eb26;--editor-cursor:var(--color-accent)}:root.dark,html.dark{--color-bg:#0f0f0f;--color-bg-elevated:#1a1a1a;--color-bg-muted:#242424;--color-text:#f5f5f4;--color-text-muted:#a3a3a3;--color-text-subtle:#737373;--color-border:#2e2e2e;--color-border-muted:#262626;--color-accent:#60a5fa;--color-accent-hover:#93c5fd;--color-accent-subtle:#60a5fa26;--color-success:#34d399;--color-warning:#fbbf24;--color-error:#f87171;--color-shadow:#0006;--editor-bg:var(--color-bg-elevated);--editor-selection:#60a5fa33;--color-bg-rgb:15, 15, 15}:root{--color-bg-rgb:250, 249, 247}:root.dark .nav-bar,html.dark .nav-bar{background:#0f0f0fe6}:root.dark .nav-dropdown,html.dark .nav-dropdown{box-shadow:0 4px 12px #0006}:root.dark .modal-error,html.dark .modal-error,:root.dark .settings-error,html.dark .settings-error,:root.dark .persona-action-btn.danger:hover,html.dark .persona-action-btn.danger:hover{background:#f8717126}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-size:16px}body{font-family:var(--font-sans);color:var(--color-text);background-color:var(--color-bg);min-height:100vh;font-size:1rem;line-height:1.6}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}::selection{background:var(--editor-selection)}a{color:var(--color-accent);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-accent-hover);text-decoration:underline}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-subtle)}.editor-container{background:var(--editor-bg);border:1px solid var(--color-border);border-radius:8px;position:relative;overflow:hidden}.editor-inner{background:var(--editor-bg);position:relative}.editor-input{min-height:400px;padding:var(--space-lg);font-family:var(--font-serif);color:var(--color-text);caret-color:var(--editor-cursor);font-size:1.125rem;line-height:1.75}.editor-input:focus{outline:none}.editor-placeholder{top:var(--space-lg);left:var(--space-lg);font-family:var(--font-serif);color:var(--color-text-subtle);pointer-events:none;-webkit-user-select:none;user-select:none;font-size:1.125rem;position:absolute}.editor-input h1{font-family:var(--font-serif);margin:0 0 var(--space-md);color:var(--color-text);font-size:2rem;font-weight:600;line-height:1.3}.editor-input h1:not(:first-child){margin-top:var(--space-lg)}.editor-input h2{font-family:var(--font-serif);margin:var(--space-lg) 0 var(--space-sm);color:var(--color-text);font-size:1.5rem;font-weight:600;line-height:1.4}.editor-input h3{font-family:var(--font-serif);margin:var(--space-md) 0 var(--space-sm);color:var(--color-text);font-size:1.25rem;font-weight:600;line-height:1.4}.editor-input p{margin:0 0 var(--space-md)}.editor-input strong{font-weight:600}.editor-input em{font-style:italic}.editor-input code{font-family:var(--font-mono);background:var(--color-bg-muted);border-radius:4px;padding:.125em .375em;font-size:.875em}.editor-input pre{font-family:var(--font-mono);padding:var(--space-md);margin:var(--space-md) 0;background:var(--color-bg-muted);border-radius:6px;font-size:.875rem;line-height:1.6;overflow-x:auto}.editor-input pre code{background:0 0;padding:0}.editor-input blockquote{margin:var(--space-md) 0;padding-left:var(--space-md);border-left:3px solid var(--color-border);color:var(--color-text-muted);font-style:italic}.editor-input ul,.editor-input ol{margin:var(--space-md) 0;padding-left:var(--space-lg)}.editor-input li{margin:var(--space-xs) 0}.editor-input 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0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:0;font-size:.875rem;font-weight:500;display:flex}.editor-toolbar-btn:hover{color:var(--color-text);background:var(--color-bg-elevated)}.editor-toolbar-btn.active{color:var(--color-accent);background:var(--color-accent-subtle)}.editor-toolbar-btn:disabled{opacity:.4;cursor:not-allowed}.article-content{font-family:var(--font-serif);color:var(--color-text);font-size:1rem;line-height:1.75}.article-content h1{margin:0 0 var(--space-md);letter-spacing:-.02em;font-size:2.25rem;font-weight:600;line-height:1.3}.article-content h1:not(:first-child){margin-top:var(--space-2xl)}.article-content h2{margin:0 0 var(--space-md);letter-spacing:-.01em;font-size:1.75rem;font-weight:600;line-height:1.35}.article-content h2:not(:first-child){margin-top:var(--space-xl)}.article-content h3{margin:0 0 var(--space-sm);font-size:1.375rem;font-weight:600;line-height:1.4}.article-content h3:not(:first-child){margin-top:var(--space-lg)}.article-content p{margin:0 0 1.2em}.article-content p:last-child{margin-bottom:0}.article-content strong{font-weight:600}.article-content em{font-style:italic}.article-content code{font-family:var(--font-mono);background:var(--color-bg-muted);border-radius:4px;padding:.15em .4em;font-size:.85em}.article-content pre{font-family:var(--font-mono);padding:var(--space-lg);margin:var(--space-lg) 0;background:var(--color-bg-muted);border-radius:8px;font-size:.875rem;line-height:1.65;overflow-x:auto}.article-content pre code{background:0 0;padding:0}.article-content blockquote{margin:var(--space-lg) 0;padding:var(--space-md) var(--space-lg);border-left:3px solid var(--color-accent);background:var(--color-bg-muted);color:var(--color-text-muted);border-radius:0 6px 6px 0}.article-content blockquote p:last-child{margin-bottom:0}.article-content ul,.article-content ol{margin:var(--space-lg) 0;padding-left:var(--space-xl)}.article-content li{margin:var(--space-sm) 0}.article-content li::marker{color:var(--color-text-subtle)}.article-content a{color:var(--color-accent);text-underline-offset:3px;transition:all var(--transition-fast);text-decoration:underline;text-decoration-thickness:1px}.article-content a:hover{text-decoration-thickness:2px}.article-content cite{color:var(--color-text-muted);font-style:italic}.article-content hr{margin:var(--space-2xl) 0;text-align:center;border:none}.article-content hr:after{content:"◇ ◇ ◇";color:var(--color-text-subtle);letter-spacing:.5em;font-size:.75rem}.article-content img{max-width:100%;height:auto;margin:var(--space-lg) 0;border-radius:8px}.article-content table{width:100%;margin:var(--space-lg) 0;border-collapse:collapse}.article-content th,.article-content td{padding:var(--space-sm) var(--space-md);text-align:left;border-bottom:1px solid var(--color-border)}.article-content 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var(--color-border-muted);flex-wrap:wrap;order:3}.nav-link{font-size:.875rem}.nav-actions{order:2}.nav-user-button{padding:var(--space-xs)}.nav-user-name{display:none}}.nav-avatar-skeleton{background:var(--color-bg-muted);border-radius:50%;width:32px;height:32px}.nav-user-menu{position:relative}.nav-user-button{align-items:center;gap:var(--space-sm);padding:var(--space-xs) var(--space-sm);cursor:pointer;transition:background var(--transition-fast);background:0 0;border:none;border-radius:8px;display:flex}.nav-user-button:hover{background:var(--color-bg-muted)}.nav-avatar{object-fit:cover;border-radius:50%;width:32px;height:32px}.nav-avatar-placeholder{background:var(--color-bg-muted);width:32px;height:32px;color:var(--color-text-muted);border-radius:50%;justify-content:center;align-items:center;font-size:14px;font-weight:600;display:flex}.nav-user-name{color:var(--color-text);font-size:14px}.nav-chevron{color:var(--color-text-muted)}.nav-dropdown-overlay{display:none}.nav-dropdown{margin-top:var(--space-sm);background:var(--color-bg-elevated);border:1px solid var(--color-border);z-index:1000;border-radius:8px;min-width:200px;position:absolute;top:100%;right:0;overflow:hidden;box-shadow:0 4px 12px #0000001a}.nav-dropdown-header{padding:var(--space-sm) var(--space-md);color:var(--color-text-subtle);font-size:12px;font-weight:500}.nav-dropdown-item{align-items:center;gap:var(--space-sm);width:100%;padding:var(--space-sm) var(--space-md);cursor:pointer;text-align:left;transition:background var(--transition-fast);background:0 0;border:none;display:flex}.nav-dropdown-item:hover,.nav-dropdown-item.active{background:var(--color-bg-muted)}.nav-dropdown-avatar{background:var(--color-bg-muted);width:24px;height:24px;color:var(--color-text-muted);border-radius:50%;justify-content:center;align-items:center;font-size:12px;display:flex;overflow:hidden}.nav-dropdown-avatar img{object-fit:cover;width:100%;height:100%}.nav-dropdown-name{color:var(--color-text);flex:1;font-size:14px}.nav-dropdown-badge{color:var(--color-text-subtle);font-size:10px}.nav-dropdown-divider{background:var(--color-border-muted);height:1px;margin:var(--space-xs) 0}.nav-dropdown-link{padding:var(--space-sm) var(--space-md);color:var(--color-text);transition:background var(--transition-fast);font-size:14px;text-decoration:none;display:block}.nav-dropdown-link:hover{background:var(--color-bg-muted);text-decoration:none}.nav-dropdown-logout{width:100%;padding:var(--space-sm) var(--space-md);color:var(--color-error);cursor:pointer;text-align:left;transition:background var(--transition-fast);background:0 0;border:none;font-size:14px}.nav-dropdown-logout:hover{background:var(--color-bg-muted)}.article-list{gap:var(--space-md);flex-direction:column;display:flex}.article-persona-avatar{width:var(--avatar-size,32px);height:var(--avatar-size,32px);min-width:var(--avatar-size,32px);min-height:var(--avatar-size,32px);object-fit:cover;background:var(--color-surface-muted);border:1px solid var(--color-border);vertical-align:middle;border-radius:999px;flex-shrink:0}.article-persona-avatar-placeholder{width:var(--avatar-size,32px);height:var(--avatar-size,32px);min-width:var(--avatar-size,32px);min-height:var(--avatar-size,32px);background:var(--color-surface-muted);border:1px solid var(--color-border);color:var(--color-text);border-radius:999px;flex-shrink:0;place-items:center;font-weight:600;display:grid}.article-card{padding:var(--space-lg);background:var(--color-bg-elevated);border:1px solid var(--color-border-muted);transition:all var(--transition-normal);word-break:break-word;overflow-wrap:anywhere;border-radius:8px;text-decoration:none;display:block;overflow:hidden}.article-card:hover{border-color:var(--color-border);text-decoration:none;box-shadow:0 4px 12px #0000000a}.article-card-title{font-family:var(--font-serif);color:var(--color-text);margin-bottom:var(--space-xs);word-break:break-word;overflow-wrap:anywhere;font-size:1.25rem;font-weight:500}.article-card-persona{align-items:center;gap:var(--space-sm);margin-bottom:var(--space-sm);color:var(--color-text-subtle);min-width:0;font-size:.875rem;line-height:normal;display:flex}.article-card-persona-name{white-space:nowrap;text-overflow:ellipsis;font-size:.875rem;line-height:normal;overflow:hidden}.article-card-excerpt{color:var(--color-text-muted);margin-bottom:var(--space-sm);max-height:4.8em;font-size:.9375rem;line-height:1.6;overflow:hidden}.article-card-preview{font-family:var(--font-serif);color:var(--color-text-muted);font-size:.9375rem;line-height:1.6}.article-card-preview p{margin:0 0 .5em}.article-card-preview p:last-child{margin-bottom:0}.article-card-preview strong{color:var(--color-text);font-weight:600}.article-card-preview em{font-style:italic}.article-card-preview code{font-family:var(--font-mono);background:var(--color-bg-muted);border-radius:3px;padding:.1em .3em;font-size:.85em}.article-card-preview a{color:var(--color-accent)}.article-card-preview ul,.article-card-preview ol{margin:.5em 0;padding-left:1.5em}.article-card-preview li{margin:.25em 0}.article-card-preview blockquote{border-left:2px solid var(--color-border);color:var(--color-text-subtle);margin:.5em 0;padding-left:1em}.article-card-meta{color:var(--color-text-subtle);font-size:.8125rem}@keyframes articleFadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.article-skeleton{pointer-events:none}.skeleton-line{background:linear-gradient(90deg, var(--color-bg-muted) 25%, var(--color-border-muted) 50%, var(--color-bg-muted) 75%);background-size:200% 100%;border-radius:4px;animation:1.5s ease-in-out infinite 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0;border:none}.btn-ghost:hover{color:var(--color-text);background:var(--color-bg-muted);text-decoration:none}.input{width:100%;padding:var(--space-sm) var(--space-md);font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg-elevated);border:1px solid var(--color-border);transition:border-color var(--transition-fast);border-radius:6px;font-size:1rem}.input:focus{border-color:var(--color-accent);outline:none}.input::placeholder{color:var(--color-text-subtle)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.empty-state{text-align:center;padding:var(--space-3xl) var(--space-xl);color:var(--color-text-muted)}.empty-state-title{font-family:var(--font-serif);margin-bottom:var(--space-sm);font-size:1.25rem;font-weight:500}.empty-state-desc{margin-bottom:var(--space-lg);font-size:.9375rem}.input-prefix{color:var(--color-text-subtle);font-size:16px}.modal-step-indicators{margin-top:var(--space-sm);justify-content:space-between;font-size:12px;display:flex}.modal-step-label{color:var(--color-text-subtle);font-weight:400}.modal-step-label.active{font-weight:600}.modal-step-label.completed{color:var(--color-accent)}.modal-preview-card{align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--color-bg-muted);border-radius:12px;display:flex}.modal-avatar-placeholder{color:var(--color-text-muted);justify-content:center;align-items:center;font-size:24px;font-weight:600;display:flex}.modal-preview-name{color:var(--color-text);font-size:18px;font-weight:600}.modal-preview-handle{color:var(--color-text-subtle);font-size:14px}.modal-preview-bio{color:var(--color-text-muted);margin-top:var(--space-xs);font-size:14px}.modal-error{padding:var(--space-sm) var(--space-md);color:var(--color-error);background:#dc26261a;border-radius:8px;font-size:14px}.article-fade-in{opacity:0;animation:.5s ease-out forwards articleFadeIn}.article-skeleton{background:var(--color-bg-muted);border-radius:var(--radius-md);overflow:hidden}.skeleton-shimmer{background:linear-gradient(90deg, var(--color-bg-muted) 25%, var(--color-border-muted) 50%, var(--color-bg-muted) 75%);background-size:200% 100%;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-title{width:70%;height:1.5rem;margin-bottom:var(--space-sm)}.skeleton-text{width:100%;height:1rem;margin-bottom:var(--space-xs)}.skeleton-text-short{width:60%;height:1rem}.skeleton-meta{width:30%;height:.875rem;margin-top:var(--space-md)}.settings-container{max-width:var(--content-width);padding:var(--space-xl);margin:0 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