:root{--primary: #FF3B30;--primary-dark: #D70015;--bg-page: #F5F5F7;--bg-card: #FFFFFF;--text-main: #1D1D1F;--text-sub: #86868B;--border: #E5E5EA;--safe: #FFD60A;--safe-text: #3A3A3C}[data-theme=dark]{--bg-page: #000000;--bg-card: #1C1C1E;--text-main: #F5F5F7;--text-sub: #86868B;--border: #38383A}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Pretendard Variable,Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Roboto,Helvetica Neue,Segoe UI,Apple SD Gothic Neo,Noto Sans KR,Malgun Gothic,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,sans-serif;background-color:var(--bg-page);color:var(--text-main);line-height:1.6;transition:background-color .3s,color .3s}.skip-link{position:absolute;top:-42px;left:0;background:var(--primary);color:#fff;padding:8px;z-index:100}.skip-link:focus{top:0}.container{width:100%;max-width:600px;margin:0 auto;padding:0 20px}.navbar{position:sticky;top:0;background:var(--bg-card);border-bottom:1px solid var(--border);z-index:50;padding:10px 0}.navbar .container{display:flex;justify-content:space-between;align-items:center;gap:10px}.logo{display:flex;align-items:center;gap:8px;font-family:Do Hyeon,sans-serif;font-weight:400;font-size:.9rem;line-height:1.2;letter-spacing:-.5px;word-break:keep-all;flex:1}.logo-img{height:32px;width:auto;flex-shrink:0}.logo .highlight{color:var(--primary)}.logo span{padding-top:4px}.controls{display:flex;gap:8px;align-items:center;flex-shrink:0}.dropdown{position:relative;display:flex;align-items:center}.icon-btn{background:none;border:none;cursor:pointer;color:var(--text-main);padding:8px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color .2s}.icon-btn:hover{background-color:var(--border)}.dropdown-menu{display:none;position:absolute;top:100%;right:0;margin-top:8px;background-color:var(--bg-card);border:1px solid var(--border);border-radius:12px;box-shadow:0 4px 12px #0000001a;list-style:none;padding:8px;min-width:150px;z-index:100}.dropdown-menu.show{display:block}.dropdown-menu li{margin:0}.dropdown-menu button{width:100%;text-align:left;padding:10px 12px;background:none;border:none;border-radius:8px;color:var(--text-main);cursor:pointer;font-size:.9rem;display:flex;align-items:center;gap:8px}.dropdown-menu button:hover{background-color:var(--bg-page)}.dropdown-menu button .icon{font-size:1.1rem;width:20px;display:inline-block}.hero{text-align:center;padding:60px 0;background:radial-gradient(circle at center,rgba(255,59,48,.1) 0%,transparent 70%)}h1{font-family:Do Hyeon,sans-serif;font-weight:400;font-size:2.5rem;line-height:1.2;margin-bottom:20px;word-break:keep-all}.surtitle{font-size:1.2rem;font-weight:700;color:var(--primary);margin-bottom:10px;letter-spacing:2px;text-transform:uppercase;display:inline-block;border:2px solid var(--primary);padding:4px 12px;transform:rotate(-2deg)}.subtitle{font-size:1.1rem;color:var(--text-sub);margin-bottom:40px;word-break:keep-all}.cta-btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 32px;border-radius:50px;text-decoration:none;font-weight:700;font-size:1rem;line-height:1.5;transition:transform .2s;border:none;cursor:pointer;font-family:inherit}.cta-btn:active{transform:scale(.95)}.cta-btn.primary{background:var(--primary);color:#fff;box-shadow:0 4px 15px #ff3b3066}.cta-btn.danger{background:var(--primary-dark);color:#fff;width:100%}.cta-btn.safe{background:var(--safe);color:var(--safe-text);width:100%}section{padding:40px 0;border-top:1px solid var(--border)}.section-title{font-size:1.8rem;margin-bottom:30px;text-align:center}.card{background:var(--bg-card);border-radius:20px;overflow:hidden;box-shadow:0 10px 30px #0000000d;margin-bottom:30px;transition:transform .3s}.card:hover{transform:translateY(-5px)}.card-img{width:100%;height:auto;display:block}.card-content{padding:24px}.card h3{margin:0 0 10px;font-size:1.4rem}.card p{margin:0;color:var(--text-sub)}.faq-list{display:flex;flex-direction:column;gap:16px}.faq-item{background:transparent;border:none;border-bottom:1px solid var(--border);border-radius:0;transition:all .3s ease;overflow:hidden}.faq-item:hover{background:#00000005}.faq-item:last-child{border-bottom:none}.faq-item.open{background:var(--bg-card);border-radius:0;box-shadow:0 4px 20px #00000014;border:none;margin:10px 0}.faq-header{width:100%;text-align:left;background:none;padding:24px;font-size:1.15rem;font-weight:700;color:var(--text-main);display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:color .2s}.faq-header .icon{font-size:1.5rem;font-weight:300;transition:transform .3s ease;color:var(--primary)}.faq-body{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.25,1,.5,1);color:var(--text-sub);padding:0 24px;opacity:0;transform:translateY(-10px);transition:all .3s ease}.faq-item.open .faq-body{max-height:500px;padding-bottom:24px;opacity:1;transform:translateY(0)}.faq-item.open .icon{transform:rotate(45deg);color:var(--text-main)}.action{background:linear-gradient(180deg,var(--bg-page) 0%,rgba(255,59,48,.05) 100%);padding:80px 0}.action .container{max-width:700px;background:var(--bg-card);padding:60px 40px;border-radius:30px;box-shadow:0 20px 40px #00000014;text-align:center;border:1px solid var(--border)}.button-group{display:flex;flex-direction:column;gap:20px;margin-top:40px}footer{text-align:center;padding:40px 0;color:var(--text-sub);font-size:.9rem;border-top:1px solid var(--border)}@media(min-width:768px){.container{max-width:900px}.hero{padding:100px 0}h1{font-size:4rem}.logo{font-size:1.2rem}.controls{gap:15px}.controls select{padding:6px 10px;font-size:.9rem;max-width:none}.button-group{flex-direction:row;justify-content:center}.cta-btn.safe,.cta-btn.danger{width:auto;min-width:200px}}.hero-carousel{position:relative;padding:0;overflow:hidden;min-height:60vh;border-top:1px solid var(--border)}.carousel-track{position:relative;width:100%;height:100%}.hero-slide{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity 1s ease-in-out;padding:60px 0;display:flex;flex-direction:column;justify-content:center;align-items:center}.hero-slide.active{opacity:1;z-index:2;position:relative}.hero-slide{position:absolute;inset:0}.hero-carousel{height:90vh;max-height:800px;min-height:600px}.hero-slide .hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;z-index:-1;background-size:cover;background-position:center}.hero-slide.slide-1 .hero-bg{background-image:url(/images/hero_bg_apocalypse.png)}.hero-slide.slide-2 .hero-bg{background-image:url(/images/hero_bg_ruins_1.png)}.hero-slide.slide-3 .hero-bg{background-image:url(/images/hero_bg_ruins_2.png)}.hero-slide.slide-1 .hero-bg:before,.hero-slide.slide-2 .hero-bg:before,.hero-slide.slide-3 .hero-bg:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:#0009}.hero-slide.slide-1 h1,.hero-slide.slide-1 .subtitle,.hero-slide.slide-1 .surtitle,.hero-slide.slide-2 h1,.hero-slide.slide-2 .subtitle,.hero-slide.slide-2 .surtitle,.hero-slide.slide-3 h1,.hero-slide.slide-3 .subtitle,.hero-slide.slide-3 .surtitle{color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.5)}.carousel-dots{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:10px;z-index:10}.dot{width:12px;height:12px;border-radius:50%;background:#fff6;border:none;padding:0}.dot.active{background:var(--primary);transform:scale(1.2)}@media(min-width:768px){.hero-slide{padding:100px 0}}