:root{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-card-hover: #ffffff;--border-color: rgba(226, 232, 240, .8);--border-highlight: rgba(99, 102, 241, .3);--text-main: #334155;--text-muted: #64748b;--text-heading: #0f172a;--accent-primary: #4f46e5;--accent-secondary: #059669;--accent-gradient: linear-gradient(135deg, #4f46e5 0%, #059669 100%);--accent-gradient-text: linear-gradient(135deg, #4338ca 0%, #047857 100%);--color-net: #10b981;--color-tax: #f59e0b;--color-local-tax: #ec4899;--color-social: #3b82f6;--color-expense: #8b5cf6;--font-family: "Plus Jakarta Sans", "Noto Sans JP", -apple-system, sans-serif;--shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, .07), 0 0 1px rgba(15, 23, 42, .1);--radius-lg: 20px;--radius-md: 12px;--transition: all .25s cubic-bezier(.4, 0, .2, 1)}body.dark-theme{--bg-primary: #0b0f19;--bg-secondary: #131b2e;--bg-card: rgba(23, 32, 54, .75);--bg-card-hover: rgba(30, 42, 70, .85);--border-color: rgba(255, 255, 255, .1);--border-highlight: rgba(79, 70, 229, .4);--text-main: #f3f4f6;--text-muted: #9ca3af;--text-heading: #ffffff;--accent-primary: #6366f1;--accent-secondary: #10b981;--accent-gradient-text: linear-gradient(135deg, #818cf8 0%, #34d399 100%);--shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-main);line-height:1.6;min-height:100vh;overflow-x:hidden;transition:background-color .3s ease,color .3s ease}.container{max-width:1200px;margin:0 auto;padding:0 24px}h1,h2,h3,h4{color:var(--text-heading);font-weight:800;line-height:1.25}.gradient-text{background:var(--accent-gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.navbar{position:sticky;top:0;z-index:100;background:#ffffffd9;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-color);transition:var(--transition)}body.dark-theme .navbar{background:#0b0f19cc}.nav-container{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:1200px;margin:0 auto;padding:0 24px}.brand-logo{display:flex;align-items:center;gap:10px;text-decoration:none}.logo-icon{width:38px;height:38px;border-radius:10px;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 4px 12px #6366f14d}.logo-text{font-size:22px;font-weight:800;color:var(--text-heading);letter-spacing:-.5px}.logo-text .highlight{color:var(--accent-secondary)}.nav-links{display:flex;gap:32px}.nav-link{color:var(--text-muted);text-decoration:none;font-weight:600;font-size:15px;transition:var(--transition)}.nav-link:hover,.nav-link.active{color:var(--accent-primary)}.btn-theme-toggle{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-main);padding:8px 14px;border-radius:20px;cursor:pointer;font-size:16px;transition:var(--transition)}.btn-theme-toggle:hover{border-color:var(--accent-primary);transform:translateY(-1px)}.hero-section{position:relative;padding:64px 0 48px;text-align:center;overflow:hidden}.hero-bg-glow{position:absolute;top:-150px;left:50%;transform:translate(-50%);width:600px;height:400px;background:radial-gradient(circle,#6366f140,#10b98126 50%,#0000 70%);filter:blur(60px);pointer-events:none}.badge-pill{display:inline-block;padding:6px 18px;border-radius:30px;background:#6366f126;border:1px solid var(--border-highlight);color:var(--accent-primary);font-weight:600;font-size:13px;margin-bottom:24px}.hero-title{font-size:44px;letter-spacing:-1px;margin-bottom:20px}.hero-subtitle{font-size:18px;color:var(--text-muted);max-width:680px;margin:0 auto 36px}.hero-stats{display:flex;justify-content:center;gap:32px;flex-wrap:wrap}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);padding:16px 28px;border-radius:var(--radius-md);text-align:center;min-width:160px}.stat-num{display:block;font-size:20px;font-weight:800;color:var(--accent-secondary)}.stat-label{font-size:13px;color:var(--text-muted)}.ads-container{margin:24px auto}.ads-box{background:#6366f10d;border:1px dashed rgba(99,102,241,.3);border-radius:var(--radius-md);padding:16px 24px;position:relative;transition:var(--transition)}.ads-badge{font-size:10px;font-weight:700;text-transform:uppercase;color:var(--text-muted);background:#0003;padding:2px 8px;border-radius:4px;display:inline-block;margin-bottom:8px}.ads-dummy-title{font-weight:700;color:var(--accent-primary);margin-bottom:4px}.ads-dummy-desc{font-size:13px;color:var(--text-muted)}.glass-panel{background:var(--bg-card);border:1px solid var(--border-color);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:32px;margin-bottom:48px}.simulator-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;margin-bottom:32px;border-bottom:1px solid var(--border-color);padding-bottom:20px}.tab-buttons{display:flex;gap:8px;background:#0003;padding:4px;border-radius:30px}.tab-btn{background:transparent;border:none;color:var(--text-muted);padding:10px 20px;border-radius:20px;font-size:14px;font-weight:700;cursor:pointer;transition:var(--transition)}.tab-btn.active{background:var(--accent-primary);color:#fff;box-shadow:0 4px 12px #6366f166}.tab-content{display:none}.tab-content.active{display:block;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.sim-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}@media (max-width: 900px){.sim-grid{grid-template-columns:1fr}}.input-group{margin-bottom:24px}.label-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.label-row label{font-weight:600;font-size:14px;color:var(--text-main)}.input-val-display{font-weight:800;font-size:16px;color:var(--accent-secondary)}.range-slider{width:100%;height:8px;border-radius:4px;background:#ffffff26;outline:none;-webkit-appearance:none;cursor:pointer}.range-slider::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--accent-primary);border:3px solid #ffffff;box-shadow:0 2px 6px #0006;transition:transform .15s ease}.range-slider::-webkit-slider-thumb:hover{transform:scale(1.15)}.range-hint{font-size:12px;color:var(--text-muted);margin-top:6px}.custom-select{width:100%;padding:12px 16px;border-radius:var(--radius-md);background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-main);font-size:14px;outline:none}.take-home-card{background:linear-gradient(135deg,#10b98126,#6366f126);border:1px solid var(--border-highlight);border-radius:var(--radius-md);padding:24px;text-align:center;margin-bottom:24px}.take-home-card.accent-card{background:linear-gradient(135deg,#6366f133,#ec489926)}.result-title{font-size:14px;font-weight:700;color:var(--text-muted);text-transform:uppercase}.result-value-main{font-size:38px;font-weight:900;color:var(--text-heading);margin:8px 0;letter-spacing:-1px}.result-sub-row{display:flex;justify-content:space-around;font-size:14px;color:var(--text-main);padding-top:12px;border-top:1px solid var(--border-color)}.badge-ratio{background:#10b98133;color:var(--accent-secondary);padding:2px 10px;border-radius:12px;font-size:13px}.breakdown-section h4{font-size:15px;margin-bottom:12px}.progress-stacked{display:flex;height:18px;border-radius:9px;overflow:hidden;background:#ffffff0d;margin-bottom:20px}.bar-part{height:100%;transition:width .4s ease}.bar-net{background-color:var(--color-net)}.bar-tax{background-color:var(--color-tax)}.bar-local-tax{background-color:var(--color-local-tax)}.bar-social{background-color:var(--color-social)}.breakdown-grid{display:flex;flex-direction:column;gap:10px}.breakdown-item{display:flex;align-items:center;justify-content:space-between;font-size:14px}.dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px}.dot-net{background-color:var(--color-net)}.dot-tax{background-color:var(--color-tax)}.dot-local-tax{background-color:var(--color-local-tax)}.dot-social{background-color:var(--color-social)}.dot-expense{background-color:var(--color-expense)}.item-name{color:var(--text-muted);flex-grow:1}.item-val{font-weight:700;color:var(--text-heading)}.comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.comp-card{background:var(--bg-secondary);border:1px solid var(--border-color);padding:24px;border-radius:var(--radius-md)}.comp-card.highlight-comp{border-color:var(--accent-primary);background:#6366f11a}.comp-tag{font-weight:700;font-size:14px;margin-bottom:8px}.comp-price{font-size:22px;font-weight:800;color:var(--accent-secondary);margin-bottom:12px}.comp-desc{font-size:13px;color:var(--text-muted)}.tip-box{background:#f59e0b1a;border-left:4px solid var(--color-tax);padding:16px;border-radius:6px;font-size:13px;color:var(--text-main);margin-top:20px}.articles-section{padding:32px 0 64px}.section-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:32px;flex-wrap:wrap;gap:20px}.section-title-wrap h2{font-size:28px;margin-bottom:6px}.section-title-wrap p{color:var(--text-muted);font-size:15px}.search-input{padding:12px 20px;border-radius:30px;background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-main);font-size:14px;width:320px;outline:none;transition:var(--transition)}.search-input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f133}.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}.article-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:24px;cursor:pointer;transition:var(--transition);display:flex;flex-direction:column;justify-content:space-between}.article-card:hover{transform:translateY(-4px);border-color:var(--border-highlight);box-shadow:var(--shadow-lg)}.article-category{font-size:12px;font-weight:700;color:var(--accent-primary);text-transform:uppercase;margin-bottom:10px}.article-title{font-size:18px;margin-bottom:12px;color:var(--text-heading)}.article-excerpt{font-size:14px;color:var(--text-muted);margin-bottom:20px}.article-footer{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-muted);border-top:1px solid var(--border-color);padding-top:14px}.article-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.tag-pill{font-size:11px;background:#ffffff14;padding:2px 8px;border-radius:4px;color:var(--text-muted)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .25s ease;padding:20px}.modal-overlay.active{opacity:1;pointer-events:auto}.glass-modal{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);max-width:760px;width:100%;max-height:85vh;overflow-y:auto;padding:36px;position:relative;box-shadow:var(--shadow-lg)}.glass-modal.modal-sm{max-width:480px}.modal-close{position:absolute;top:20px;right:20px;background:transparent;border:none;font-size:28px;color:var(--text-muted);cursor:pointer}.modal-close:hover{color:var(--text-heading)}.article-render h2{font-size:22px;margin:24px 0 12px;border-bottom:2px solid var(--accent-primary);padding-bottom:6px}.article-render p{margin-bottom:16px;line-height:1.8}.article-render ul{margin:0 0 16px 20px}.article-render li{margin-bottom:8px}.contact-form{display:flex;flex-direction:column;gap:16px;margin-top:20px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:13px;font-weight:600}.form-input{padding:12px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-main);outline:none;font-family:inherit}.btn-primary{background:var(--accent-gradient);color:#fff;font-weight:700;border:none;padding:14px;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition)}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-block{width:100%}.alert-success{background:#10b98126;border:1px solid var(--accent-secondary);color:var(--accent-secondary);padding:14px;border-radius:var(--radius-md);margin-top:16px;font-weight:600;text-align:center}.hidden{display:none!important}.site-footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:48px 0 24px;margin-top:64px}.advice-card{background:linear-gradient(135deg,#6366f114,#10b98114);border:1px solid var(--border-highlight);border-radius:var(--radius-md);padding:18px 24px;margin-top:24px;animation:fadeIn .3s ease}.advice-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}.advice-title{font-weight:700;font-size:14px;color:var(--accent-primary)}.advice-text{font-size:14px;color:var(--text-main)}.faq-section{padding:48px 0 24px}.text-center{text-align:center}.margin-bottom-lg{margin-bottom:32px}.faq-accordion{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:16px}.faq-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:18px 24px;transition:var(--transition)}.faq-item[open]{border-color:var(--border-highlight);box-shadow:var(--shadow-lg)}.faq-question{font-weight:700;font-size:16px;color:var(--text-heading);cursor:pointer;outline:none;list-style:none;display:flex;align-items:center;justify-content:space-between}.faq-question::-webkit-details-marker{display:none}.faq-answer{margin-top:14px;padding-top:14px;border-top:1px solid var(--border-color);font-size:14px;color:var(--text-main);line-height:1.8}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;margin-bottom:36px}.footer-desc{font-size:13px;color:var(--text-muted);margin-top:8px}.footer-links{display:flex;gap:24px}.footer-links a{color:var(--text-muted);text-decoration:none;font-size:14px}.footer-links a:hover{color:var(--accent-primary)}.footer-bottom{text-align:center;font-size:13px;color:var(--text-muted);border-top:1px solid var(--border-color);padding-top:24px}