:root{--primary-color:#3b82f6;--primary-dark:#2563eb;--primary-light:#60a5fa;--success-color:#10b981;--warning-color:#f59e0b;--danger-color:#ef4444;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a}.region-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;justify-content:center;padding:0 20px}.region-nav-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:10px 20px;border-radius:40px;cursor:pointer;font-size:0.9rem;font-weight:500;transition:all 0.2s;color:var(--gray-700)}.region-nav-btn.active{background:var(--primary-color);color:white;border-color:var(--primary-color);box-shadow:0 2px 8px rgba(59,130,246,0.3)}.region-nav-btn:hover:not(.active){background:var(--gray-200);transform:translateY(-2px)}.countries-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(200px, 1fr));gap:20px;margin-bottom:40px;padding:0 20px}.country-card{background:white;border-radius:20px;padding:20px;text-align:center;cursor:pointer;transition:all 0.3s;border:1px solid var(--gray-200);position:relative;overflow:hidden}.country-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg, var(--primary-color), var(--primary-light));transform:scaleX(0);transition:transform 0.3s}.country-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px rgba(0,0,0,0.1);border-color:transparent}.country-card:hover::before{transform:scaleX(1)}.country-flag-large{font-size:3rem;margin-bottom:12px}.country-card h4{font-size:1.1rem;font-weight:600;margin-bottom:4px;color:var(--gray-800)}.country-card p{font-size:0.7rem;color:var(--gray-500);margin-bottom:10px}.business-level{display:inline-block;padding:4px 12px;border-radius:20px;font-size:0.7rem;font-weight:500}.business-level.high{background:#d1fae5;color:#065f46}.business-level.medium{background:#fef3c7;color:#92400e}.business-level.low{background:#fee2e2;color:#991b1b}.country-detail{background:white;border-radius:24px;margin:20px;overflow:hidden;box-shadow:0 20px 40px rgba(0,0,0,0.1);animation:slideDown 0.3s ease}@keyframes slideDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.detail-header{display:flex;justify-content:flex-end;padding:16px 20px;background:var(--gray-50);border-bottom:1px solid var(--gray-200)}.close-detail{background:transparent;border:none;font-size:1.2rem;cursor:pointer;color:var(--gray-500);transition:all 0.2s}.close-detail:hover{color:var(--danger-color);transform:rotate(90deg)}.detail-content{padding:24px}.detail-hero{text-align:center;margin-bottom:24px}.detail-flag{font-size:4rem;margin-bottom:12px}.detail-hero h2{font-size:1.8rem;color:var(--gray-800)}.detail-info-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:16px}.detail-item{background:var(--gray-50);border-radius:16px;padding:14px 16px}.detail-item.full{grid-column:span 2}.detail-item strong{display:block;font-size:0.7rem;color:var(--gray-500);margin-bottom:6px}.detail-item span{font-size:0.95rem;color:var(--gray-800)}.detail-item .taboo{color:var(--danger-color)}.detail-item .tips{color:var(--success-color)}.market-content{animation:fadeIn 0.3s ease}@keyframes fadeIn{from{opacity:0}to{opacity:1}}.market-hero{border-radius:24px;padding:50px 40px;margin-bottom:30px;position:relative;overflow:hidden}.us-bg{background:linear-gradient(135deg, #1a1a2e, #0f3460)}.jp-bg{background:linear-gradient(135deg, #1a1a2e, #2d1b4e)}.kr-bg{background:linear-gradient(135deg, #1a1a2e, #4a0e4e)}.de-bg{background:linear-gradient(135deg, #1a1a2e, #1a4e2e)}.uk-bg{background:linear-gradient(135deg, #1a1a2e, #1a2e4e)}.fr-bg{background:linear-gradient(135deg, #1a1a2e, #4e1a2e)}.in-bg{background:linear-gradient(135deg, #1a1a2e, #4e4e1a)}.br-bg{background:linear-gradient(135deg, #1a1a2e, #2e1a4e)}.ae-bg{background:linear-gradient(135deg, #1a1a2e, #1a4e4e)}.sea-bg{background:linear-gradient(135deg, #1a1a2e, #0e4e4e)}.hero-content{position:relative;z-index:2;color:white}.country-flag{font-size:4rem;margin-bottom:15px}.hero-content h2{font-size:2rem;margin-bottom:10px}.hero-content p{font-size:1rem;opacity:0.9}.culture-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:24px;margin-bottom:40px}.culture-card{background:white;border-radius:20px;padding:24px;border:1px solid var(--gray-200);transition:all 0.3s}.culture-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(0,0,0,0.1)}.card-icon{font-size:2rem;margin-bottom:16px}.culture-card h3{font-size:1.2rem;margin-bottom:12px;color:var(--gray-800)}.culture-card p{color:var(--gray-600);line-height:1.6;margin-bottom:16px;font-size:0.9rem}.tip-badge{background:#fef3c7;color:#92400e;padding:8px 12px;border-radius:12px;font-size:0.8rem}.comparison-section,.phrases-section{margin-top:40px;padding:0 20px}.section-header{display:flex;align-items:baseline;gap:12px;margin-bottom:20px;flex-wrap:wrap}.section-header i{font-size:1.5rem;color:var(--primary-color)}.section-header h3{font-size:1.3rem;color:var(--gray-800)}.subtitle{color:var(--gray-500);font-size:0.85rem}.comparison-table-wrapper{overflow-x:auto;background:white;border-radius:20px;border:1px solid var(--gray-200)}.comparison-table{width:100%;border-collapse:collapse;font-size:0.85rem}.comparison-table th,.comparison-table td{padding:14px 12px;text-align:center;border-bottom:1px solid var(--gray-200)}.comparison-table th{background:var(--gray-50);font-weight:600;position:sticky;top:0}.comparison-table td:first-child{font-weight:600;text-align:left;background:var(--gray-50)}.phrases-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px}.phrase-card{background:var(--gray-50);border-radius:16px;padding:20px;text-align:center;transition:all 0.3s}.phrase-card:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(0,0,0,0.08)}.phrase-lang{font-size:0.8rem;color:var(--gray-500);margin-bottom:8px}.phrase-text{font-family:monospace;font-size:0.9rem;font-weight:600;color:var(--primary-color);margin-bottom:8px}.phrase-meaning{font-size:0.75rem;color:var(--gray-600)}@media (max-width:1024px){.countries-grid{grid-template-columns:repeat(auto-fill, minmax(170px, 1fr))}}@media (max-width:768px){.region-nav{gap:8px}.region-nav-btn{padding:6px 14px;font-size:0.8rem}.countries-grid{grid-template-columns:repeat(auto-fill, minmax(150px, 1fr));gap:12px}.country-flag-large{font-size:2rem}.country-card h4{font-size:0.9rem}.culture-grid{grid-template-columns:1fr}.phrases-grid{grid-template-columns:repeat(2, 1fr)}.detail-info-grid{grid-template-columns:1fr}.detail-item.full{grid-column:span 1}.hero-content h2{font-size:1.4rem}.market-hero{padding:30px 20px}}@media (max-width:480px){.countries-grid{grid-template-columns:repeat(2, 1fr)}.phrases-grid{grid-template-columns:1fr}.comparison-table{font-size:0.7rem}.comparison-table th,.comparison-table td{padding:8px 6px}}