.skip-link{color:#fff;z-index:10000;background:#000;padding:8px 16px;font-weight:600;text-decoration:none;transition:top .3s;position:absolute;top:-40px;left:0}.skip-link:focus{top:0}*{box-sizing:border-box;margin:0;padding:0}:root{--primary-color:#1a1a1a;--secondary-color:#2563eb;--text-color:#333;--text-light:#666;--bg-color:#fff;--bg-light:#f9fafb;--border-color:#e5e7eb;--shadow-sm:0 1px 2px 0 #0000000d;--max-width:1200px;--transition:all .3s ease}html{scroll-behavior:smooth;font-size:16px}body{color:var(--text-color);background-color:var(--bg-color);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}a{color:var(--secondary-color);transition:var(--transition);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}.site-header{background:var(--bg-color);border-bottom:1px solid var(--border-color);z-index:1000;box-shadow:var(--shadow-sm);position:sticky;top:0}.navbar{padding:1rem 0}.nav-wrapper{max-width:var(--max-width);justify-content:space-between;align-items:center;margin:0 auto;padding:0 20px;display:flex}.logo{color:var(--primary-color);font-size:1.5rem;font-weight:700;text-decoration:none}.nav-menu{gap:2rem;list-style:none;display:flex}.nav-menu a{color:var(--text-color);padding:.5rem 0;font-weight:500;position:relative}.nav-menu a:hover{color:var(--secondary-color);text-decoration:none}.nav-menu a:after{content:"";background:var(--secondary-color);width:0;height:2px;transition:width .3s;position:absolute;bottom:0;left:0}.nav-menu a:hover:after{width:100%}.menu-toggle{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:4px;padding:.5rem;display:none}.hamburger{background:var(--primary-color);width:25px;height:3px;transition:var(--transition)}.menu-toggle.active .hamburger:first-child{transform:rotate(45deg)translate(5px,5px)}.menu-toggle.active .hamburger:nth-child(2){opacity:0}.menu-toggle.active .hamburger:nth-child(3){transform:rotate(-45deg)translate(7px,-6px)}.site-footer{background:var(--primary-color);color:#fff;margin-top:4rem;padding:3rem 0 1.5rem}.footer-content{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem;display:grid}.footer-section h3{margin-bottom:1rem;font-size:1.25rem}.footer-section p{color:#fffc;line-height:1.6}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem}.footer-section a{color:#fffc;transition:var(--transition)}.footer-section a:hover{color:#fff;text-decoration:none}.social-links{gap:1rem;display:flex}.footer-bottom{text-align:center;color:#fff9;border-top:1px solid #ffffff1a;padding-top:2rem}@media (width<=768px){.nav-menu{background-color:var(--bg-color);text-align:center;border-top:1px solid var(--border-color);flex-direction:column;width:100%;padding:2rem 0;transition:all .3s;position:fixed;top:70px;left:-100%;box-shadow:0 10px 27px #0000000d}.nav-menu.active{left:0}.nav-menu li{margin:.5rem 0}.menu-toggle{display:flex}.lang-switcher{justify-content:center}.footer-content{text-align:center;grid-template-columns:1fr}.social-links{justify-content:center}.container{padding:0 15px}.site-footer{padding:2rem 0 1rem}}.about-container{color:#1a1a1a;max-width:800px;margin:0 auto;padding:2rem 1.5rem;font-family:Pretendard Variable,-apple-system,BlinkMacSystemFont,system-ui,Roboto,sans-serif;line-height:1.7}.about-container h1{color:#000;margin-bottom:2rem;font-size:2.5rem;font-weight:700;line-height:1.2}.about-container h2{color:#000;border-bottom:2px solid #e5e5e5;margin-top:2.5rem;margin-bottom:1.5rem;padding-bottom:.75rem;font-size:1.8rem;font-weight:700}.about-container h2:first-of-type{margin-top:0}.about-container h3{color:#1a1a1a;margin-top:4.5rem;margin-bottom:1.25rem;font-size:1.3rem;font-weight:600}.about-container p{color:#333;margin-bottom:1.5rem;font-size:1.1rem;line-height:1.75}.about-container ul,.about-container ol{margin-bottom:1.5rem;padding-left:1.5rem}.about-container li{margin-bottom:.75rem;font-size:1.05rem;line-height:1.7}.about-container strong{color:#000;font-weight:600}.about-container a{color:#2563eb;text-decoration:none}.about-container a:hover{text-decoration:underline}.about-container hr{border:none;border-top:2px solid #e5e5e5;height:0;margin:3rem 0}.about-container blockquote{color:#555;margin:2rem 0;padding-left:1.5rem;font-size:1.2rem;font-style:italic}.about-container h1+p strong{color:#1a1a1a;background:#f8f9fa;margin-bottom:2.5rem;padding:1.5rem;font-size:1.3rem;font-weight:600;line-height:1.6;display:block}.about-container h3+p{color:#555}.about-container details{border:1px solid #e5e5e5;border-radius:4px;margin-bottom:1.5rem;padding:.75rem 1rem;transition:background-color .2s}.about-container details:hover{background-color:#f8f9fa}.about-container summary{cursor:pointer;color:#1a1a1a;font-weight:600}.about-container summary:hover,.about-container li::marker{color:#2563eb}@media (width<=768px){.about-container{padding:1.5rem 1rem}.about-container h1{margin-bottom:1.5rem;font-size:2rem}.about-container h2{margin-top:2rem;font-size:1.5rem}.about-container p{font-size:1rem}}