: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;--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 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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 a{color:var(--color-accent);text-underline-offset:2px;text-decoration:underline}.editor-input hr{margin:var(--space-xl)0;border:none;border-top:1px solid var(--color-border)}.editor-toolbar{gap:var(--space-xs);padding:var(--space-sm)var(--space-md);background:var(--color-bg-muted);border-bottom:1px solid var(--color-border);flex-wrap:wrap;display:flex}.editor-toolbar-group{gap:2px;display:flex}.editor-toolbar-divider{width:1px;margin:0 var(--space-sm);background:var(--color-border)}.editor-toolbar-btn{width:32px;height:32px;font-family:var(--font-sans);color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast);background:0 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 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var(--transition-fast);font-size:.9375rem;font-weight:500;text-decoration:none}.nav-link:hover{color:var(--color-text);text-decoration:none}.nav-actions{align-items:center;gap:var(--space-md);display:flex}@media (max-width:768px){.nav-bar{justify-content:space-between;align-items:center;gap:var(--space-sm);padding:var(--space-sm)var(--space-md);flex-flow:wrap}.nav-logo{font-size:1.125rem}.nav-links{gap:var(--space-sm);width:100%;padding-top:var(--space-sm);border-top:1px solid 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 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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-card{padding:var(--space-lg);background:var(--color-bg-elevated);border:1px solid var(--color-border-muted);transition:all 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0}}.btn{justify-content:center;align-items:center;gap:var(--space-sm);padding:var(--space-sm)var(--space-md);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);border-radius:6px;font-size:.9375rem;font-weight:500;line-height:1.5;text-decoration:none;display:inline-flex}.btn-primary{color:#fff;background:var(--color-accent);border:none}.btn-primary:hover{background:var(--color-accent-hover);text-decoration:none}.btn-secondary{color:var(--color-text);border:1px solid var(--color-border);background:0 0}.btn-secondary:hover{background:var(--color-bg-muted);text-decoration:none}.btn-ghost{color:var(--color-text-muted);background:0 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 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var(--color-border-muted)}.settings-section:last-of-type{border-bottom:none}.settings-section-header{margin-bottom:var(--space-lg)}.settings-section-title{font-family:var(--font-serif);color:var(--color-text);margin:0;font-size:1.25rem;font-weight:600}.settings-section-desc{color:var(--color-text-muted);margin-top:var(--space-xs);font-size:14px}.persona-profile{align-items:flex-start;gap:var(--space-lg);display:flex}.persona-profile-avatar{flex-shrink:0}.persona-profile-img{object-fit:cover;border-radius:50%;width:80px;height:80px}.persona-profile-placeholder{background:var(--color-bg-elevated);border:1px solid 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