:root{--bg-primary: #f4f6f9;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-card-hover: #f8fafc;--bg-glass: rgba(255, 255, 255, .9);--border-glass: #e2e8f0;--border-focus: #4f46e5;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--accent-primary: #4f46e5;--accent-secondary: #059669;--accent-gold: #d97706;--accent-rose: #e11d48;--accent-cyan: #0284c7;--accent-emerald: #059669;--grad-emerald: linear-gradient(135deg, #059669 0%, #047857 100%);--grad-indigo: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);--grad-gold: linear-gradient(135deg, #d97706 0%, #b45309 100%);--grad-hero: linear-gradient(135deg, #1e1b4b 0%, #4f46e5 50%, #059669 100%);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05), 0 1px 2px rgba(0, 0, 0, .03);--shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, .08), 0 8px 10px -6px rgba(15, 23, 42, .04);--shadow-glow: 0 0 20px rgba(79, 70, 229, .12);--font-sans: "Plus Jakarta Sans", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-smooth: .35s cubic-bezier(.16, 1, .3, 1)}.theme-dark{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: rgba(30, 41, 59, .9);--bg-card-hover: rgba(51, 65, 85, .9);--bg-glass: rgba(255, 255, 255, .05);--border-glass: rgba(255, 255, 255, .1);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, .2);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;transition:background-color var(--transition-smooth),color var(--transition-smooth);overflow-x:hidden}h1,h2,h3,h4{font-weight:800;line-height:1.25;letter-spacing:-.02em}a{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-cyan)}.glass-panel{background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.glass-card{background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-md);padding:1.5rem;transition:transform var(--transition-smooth),box-shadow var(--transition-smooth),border-color var(--transition-fast)}.glass-card:hover{border-color:var(--border-focus);transform:translateY(-2px)}.container{max-width:1240px;margin:0 auto;padding:0 1.25rem}.site-header{position:sticky;top:0;z-index:100;background:#ffffffeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-glass);padding:1rem 0;box-shadow:var(--shadow-sm)}.theme-dark .site-header{background:#0f172ae6}.nav-wrapper{display:flex;align-items:center;justify-content:space-between}.brand-logo{display:flex;align-items:center;gap:.75rem;font-size:1.35rem;font-weight:900;background:var(--grad-hero);-webkit-background-clip:text;-webkit-text-fill-color:transparent;cursor:pointer}.nav-links{display:flex;gap:.5rem;list-style:none}.nav-btn{background:transparent;border:none;color:var(--text-secondary);padding:.6rem 1.1rem;border-radius:var(--radius-full);font-weight:600;font-size:.92rem;cursor:pointer;transition:all var(--transition-fast)}.nav-btn:hover{color:var(--text-primary);background:#f1f5f9}.nav-btn.active{background:var(--grad-indigo);color:#fff;border:none;box-shadow:0 4px 12px #4f46e54d}.theme-toggle-btn{background:#f1f5f9;border:1px solid var(--border-glass);color:var(--text-primary);width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem;transition:all var(--transition-fast)}.theme-dark .theme-toggle-btn{background:#ffffff14}.theme-toggle-btn:hover{transform:rotate(15deg) scale(1.05)}.hero-section{text-align:center;padding:3.5rem 1rem 2.5rem;position:relative}.badge-tag{display:inline-flex;align-items:center;gap:.5rem;padding:.45rem 1.1rem;background:#4f46e514;border:1px solid rgba(79,70,229,.25);color:#4338ca;border-radius:var(--radius-full);font-size:.85rem;font-weight:700;margin-bottom:1.25rem}.theme-dark .badge-tag{color:#a5b4fc;background:#4f46e533}.hero-title{font-size:2.75rem;margin-bottom:1rem;letter-spacing:-.03em;color:var(--text-primary)}.hero-subtitle{color:var(--text-secondary);font-size:1.15rem;max-width:680px;margin:0 auto 2rem}.tab-switcher{display:inline-flex;background:#e2e8f0;padding:.4rem;border-radius:var(--radius-full);gap:.4rem;margin-bottom:2.5rem}.theme-dark .tab-switcher{background:var(--bg-secondary);border:1px solid var(--border-glass)}.tab-btn{padding:.75rem 1.5rem;border-radius:var(--radius-full);border:none;background:transparent;color:var(--text-secondary);font-weight:700;font-size:.95rem;cursor:pointer;transition:all var(--transition-fast)}.tab-btn.active{background:var(--grad-indigo);color:#fff;box-shadow:0 4px 15px #4f46e559}.calc-container{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-bottom:3rem}@media (max-width: 900px){.calc-container{grid-template-columns:1fr}.hero-title{font-size:2rem}}.input-panel,.result-panel{padding:2.25rem}.panel-header{margin-bottom:1.75rem;display:flex;align-items:center;justify-content:space-between}.panel-title{font-size:1.35rem;display:flex;align-items:center;gap:.5rem}.form-group{margin-bottom:1.5rem}.form-label{display:flex;justify-content:space-between;align-items:center;font-size:.92rem;font-weight:700;color:var(--text-secondary);margin-bottom:.6rem}.form-value-display{font-size:1.25rem;font-weight:800;color:var(--accent-primary)}.form-slider{width:100%;height:8px;border-radius:4px;background:#e2e8f0;outline:none;accent-color:var(--accent-primary);cursor:pointer}.theme-dark .form-slider{background:var(--bg-secondary)}.form-input{width:100%;padding:.85rem 1rem;background:#f8fafc;border:1px solid #cbd5e1;border-radius:var(--radius-sm);color:var(--text-primary);font-size:1rem;font-weight:600;transition:border-color var(--transition-fast)}.theme-dark .form-input{background:var(--bg-secondary);border-color:var(--border-glass)}.form-input:focus{outline:none;border-color:var(--accent-primary)}.result-card-highlight{background:var(--grad-indigo);color:#fff;border-radius:var(--radius-md);padding:1.75rem;text-align:center;margin-bottom:1.5rem;box-shadow:0 10px 25px #4f46e540}.result-label-sm{font-size:.88rem;text-transform:uppercase;letter-spacing:.05em;opacity:.95;margin-bottom:.3rem}.result-big-number{font-size:2.5rem;font-weight:900;line-height:1.1}.result-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}.result-mini-card{background:#f8fafc;border:1px solid #e2e8f0;border-radius:var(--radius-sm);padding:1.1rem}.theme-dark .result-mini-card{background:var(--bg-glass);border-color:var(--border-glass)}.result-mini-value{font-size:1.35rem;font-weight:800;color:var(--text-primary);margin-top:.2rem}.chart-box{background:#f8fafc;border:1px solid #e2e8f0;border-radius:var(--radius-md);padding:1.25rem;margin-top:1.5rem}.theme-dark .chart-box{background:var(--bg-glass);border-color:var(--border-glass)}.articles-section{padding:3rem 0}.section-header{text-align:center;margin-bottom:2.5rem}.article-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.75rem}.article-card{display:flex;flex-direction:column;height:100%;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:var(--radius-md);overflow:hidden;transition:transform var(--transition-smooth),box-shadow var(--transition-smooth)}.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.article-img{width:100%;height:190px;object-fit:cover}.article-body{padding:1.5rem;flex:1;display:flex;flex-direction:column}.article-category{display:inline-block;font-size:.78rem;font-weight:800;color:var(--accent-primary);text-transform:uppercase;margin-bottom:.6rem}.article-title{font-size:1.15rem;margin-bottom:.75rem;color:var(--text-primary)}.article-snippet{color:var(--text-secondary);font-size:.92rem;margin-bottom:1.25rem;flex:1}.ad-slot{background:#f8fafc;border:1.5px dashed #cbd5e1;border-radius:var(--radius-md);padding:1.25rem;text-align:center;margin:2.5rem 0}.theme-dark .ad-slot{background:#ffffff05;border-color:#ffffff26}.ad-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.5rem}.ad-demo-box{min-height:90px;display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--text-secondary);font-size:.95rem;background:#fff;border-radius:var(--radius-sm);border:1px solid #e2e8f0}.theme-dark .ad-demo-box{background:var(--bg-glass);border-color:var(--border-glass)}.sticky-ad-bar{position:fixed;bottom:0;left:0;right:0;background:#fffffff2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid #e2e8f0;padding:.75rem 1rem;z-index:90;display:flex;align-items:center;justify-content:space-between;box-shadow:0 -4px 15px #0000000d}.theme-dark .sticky-ad-bar{background:#0f172af2;border-color:var(--border-glass)}.sticky-ad-content{display:flex;align-items:center;gap:1rem}.close-ad-btn{background:transparent;border:none;color:var(--text-muted);font-size:1.2rem;cursor:pointer;padding:.2rem .5rem}.site-footer{background:#fff;border-top:1px solid #e2e8f0;padding:4rem 0 2rem;margin-top:4rem}.theme-dark .site-footer{background:var(--bg-secondary);border-color:var(--border-glass)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:3rem;margin-bottom:3rem}@media (max-width: 768px){.footer-grid{grid-template-columns:1fr;gap:2rem}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:200;display:flex;align-items:center;justify-content:center;padding:1.5rem}.modal-content{background:#fff;border:1px solid #e2e8f0;border-radius:var(--radius-lg);max-width:650px;width:100%;max-height:85vh;overflow-y:auto;padding:2rem;position:relative;box-shadow:var(--shadow-lg)}.theme-dark .modal-content{background:var(--bg-secondary);border-color:var(--border-glass)}.close-modal-btn{position:absolute;top:1.25rem;right:1.25rem;background:#f1f5f9;border:1px solid #e2e8f0;color:var(--text-primary);width:36px;height:36px;border-radius:50%;cursor:pointer}