*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#4A90E2;--secondary-color:#FFFFFF;--accent-color:#7ED321;--text-color:#333333;--text-light:#666666;--background:#F5F7FA;--border-color:#E1E8ED;--shadow:0 2px 8px rgba(0,0,0,0.1);--shadow-hover:0 4px 16px rgba(0,0,0,0.15)}body{font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Pretendard,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-color);background-color:var(--background);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.app{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1 1;width:100%;max-width:1200px;margin:0 auto;padding:2rem 1rem}@media (max-width:768px){.main-content{padding:1rem}}.footer{background-color:#f0f2f5;border-top:1px solid var(--border-color);margin-top:auto}.footer-container{max-width:1200px;margin:0 auto;padding:2rem}.company-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:.5rem;gap:.5rem;margin-bottom:1.5rem}.company-info p{font-size:.875rem;color:var(--text-light);line-height:1.8}.company-info strong{color:var(--text-color);font-weight:600}.footer-copyright{padding-top:1.5rem;border-top:1px solid var(--border-color);text-align:center}.footer-copyright p{font-size:.75rem;color:var(--text-light)}@media (max-width:768px){.footer-container{padding:1.5rem 1rem}.company-info{grid-template-columns:1fr;gap:.25rem}.company-info p{font-size:.8rem}}.header{background-color:var(--secondary-color);box-shadow:var(--shadow);position:-webkit-sticky;position:sticky;top:0;z-index:100}.header-container{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:baseline;gap:.5rem;cursor:pointer;transition:opacity .2s}.logo:hover{opacity:.8}.logo h1{font-size:1.5rem;font-weight:700;color:var(--primary-color)}.logo-subtitle{font-size:.875rem;color:var(--text-light)}.nav{display:flex;align-items:center;gap:1.5rem}.nav-link{color:var(--text-color);font-weight:500;transition:color .2s}.nav-link:hover{color:var(--primary-color)}.nav-button{padding:.5rem 1.25rem;background-color:var(--primary-color);color:white;border:none;border-radius:6px;font-weight:500;cursor:pointer;transition:all .2s}.nav-button:hover{background-color:#3a7bc8;transform:translateY(-1px)}@media (max-width:768px){.header-container{padding:1rem}.logo h1{font-size:1.25rem}.logo-subtitle{display:none}.nav{gap:1rem}.nav-button{padding:.5rem 1rem;font-size:.875rem}}