:root{--primary-color: #3b82f6;--primary-dark: #1d4ed8;--primary-light: #60a5fa;--accent-color: #0ea5e9;--bg-dark: #0f172a;--bg-card: #ffffff;--bg-light: #f8fafc;--text-main: #1e293b;--text-sub: #64748b;--text-white: #f8fafc;--border-radius: 12px;--border-radius-lg: 20px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-glow: 0 0 20px rgba(59, 130, 246, .5);--font-family: "Noto Sans KR", sans-serif;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-family);color:var(--text-main);background-color:var(--bg-light);line-height:1.6;overflow-x:hidden;word-break:keep-all}a{text-decoration:none;color:inherit}ul{list-style:none}h1,h2,h3,h4{font-weight:800;line-height:1.2;letter-spacing:-.02em}h1{font-size:3.5rem}h2{font-size:2.5rem;margin-bottom:1rem}h3{font-size:1.5rem;margin-bottom:.5rem}p{margin-bottom:1rem;color:var(--text-sub)}.highlight{color:var(--primary-color);position:relative;display:inline-block}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.section{padding:6rem 0;position:relative}.text-center{text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;padding:1rem 2rem;font-size:1.1rem;font-weight:700;border-radius:50px;cursor:pointer;transition:var(--transition);border:none;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));color:#fff;box-shadow:0 4px 6px #3b82f64d}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 15px #3b82f666}.btn-outline{background:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-outline:hover{background:var(--primary-color);color:#fff}.btn-lg{padding:.9rem 2.2rem;font-size:1.05rem}.btn-block{width:100%}.btn-row{display:flex;gap:1rem;margin-top:2rem}.btn-white{background:#fff;color:var(--primary-color);box-shadow:0 4px 6px #0000001a}.btn-white:hover{background:#f8fafc;transform:translateY(-3px);box-shadow:0 8px 15px #00000026}.btn-teal{background:#0d9488;color:#fff;box-shadow:0 4px 6px #0d94884d}.btn-teal:hover{background:#0f766e;transform:translateY(-3px);box-shadow:0 8px 15px #0d948866}.hero{position:relative;background:var(--bg-dark);color:#fff;padding:3rem 0 4rem;overflow:hidden;text-align:center;background-image:url(/hero-bg.png);background-size:cover;background-position:center}.hero:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to bottom,#0f172acc,#0f172ae6);z-index:1}.hero .container{position:relative;z-index:2}.hero-logo-text{font-size:3rem;font-weight:900;color:var(--primary-light);margin-bottom:2rem;text-transform:uppercase;letter-spacing:2px;opacity:0;animation:fadeDown .8s ease-out forwards}.hero-title{font-size:2.5rem;margin-bottom:1.5rem;text-shadow:0 2px 10px rgba(0,0,0,.3);opacity:0;animation:fadeUp .8s ease-out .2s forwards}.hero-title .highlight{color:transparent;background:linear-gradient(to right,#60a5fa,#3b82f6);-webkit-background-clip:text;background-clip:text}.hero-subtitle{font-size:1.4rem;color:#cbd5e1;max-width:700px;margin:0 auto 3rem;opacity:0;animation:fadeUp .8s ease-out .4s forwards}.hero-actions{opacity:0;animation:fadeUp .8s ease-out .6s forwards;display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}.hero-note{margin-top:1rem;font-size:.9rem;color:#94a3b8;width:100%}.section-header{margin-bottom:4rem;text-align:center}.section-title{color:var(--bg-dark)}.section-desc{font-size:1.2rem;line-height:1.8}.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2.5rem}.card{background:var(--bg-card);padding:3rem 2rem;border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);transition:var(--transition);border:1px solid rgba(0,0,0,.05);position:relative;overflow:hidden;text-align:center}.card:before{content:"";position:absolute;top:0;left:0;width:100%;height:5px;background:var(--primary-color);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}.card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg)}.card:hover:before{transform:scaleX(1)}.card .icon{width:80px;height:80px;background:#eff6ff;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;font-size:2.5rem;color:var(--primary-color)}.card .icon svg{width:40px;height:40px;fill:currentColor}.diagnosis-section{background:linear-gradient(to bottom,#f8fafc,#eff6ff)}.diagnosis-wrapper{background:#fff;border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);max-width:900px;margin:0 auto;overflow:hidden;position:relative}.diagnosis-header{background:var(--bg-dark);color:#fff;padding:3rem 2rem;text-align:center}.diagnosis-header h2{color:#fff;margin-bottom:.5rem}.diagnosis-header p{color:#94a3b8;margin-bottom:0}.diagnosis-form{padding:3rem}.step-indicator{display:inline-block;font-size:.85rem;font-weight:700;color:var(--primary-color);background:#eff6ff;padding:.4rem 1rem;border-radius:20px;margin-bottom:1rem}.step-title{color:var(--bg-dark);font-size:1.3rem;margin-bottom:2rem;padding-bottom:1rem;border-bottom:2px solid #f1f5f9}.questions-group .q-item{margin-bottom:2.5rem}.q-label{display:block;font-size:1.1rem;font-weight:700;color:var(--bg-dark);margin-bottom:1rem}input[type=text],input[type=tel],select,textarea{width:100%;padding:1rem;font-size:1rem;border:2px solid #e2e8f0;border-radius:var(--border-radius);transition:var(--transition);background:#f8fafc}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary-color);background:#fff;box-shadow:0 0 0 4px #3b82f61a}.radio-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}.radio-options.vertical{grid-template-columns:1fr}.radio-options label{display:flex;align-items:center;justify-content:center;padding:1.2rem;background:#fff;border:2px solid #e2e8f0;border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);font-weight:500;text-align:center}.radio-options label:hover{border-color:var(--primary-light);transform:translateY(-2px)}.radio-options input[type=radio]{display:none}.radio-options label:has(input:checked){border-color:var(--primary-color);background:#eff6ff;color:var(--primary-color);font-weight:700;box-shadow:0 4px 6px #3b82f633}.footer{background-color:var(--bg-dark);color:#94a3b8;padding:5rem 0 3rem;border-top:1px solid #1e293b}.footer-logo{font-size:1.8rem;font-weight:900;color:#fff;margin-bottom:1.5rem}.footer a{color:var(--primary-color);font-weight:600}.footer a:hover{color:#fff}@keyframes fadeUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.form-step{display:none;animation:fadeIn .5s ease-out}.form-step.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.notification{position:fixed;top:30px;right:30px;padding:1.2rem 2rem;background:#fff;border-left:5px solid var(--primary-color);box-shadow:var(--shadow-lg);border-radius:4px;transform:translate(150%);transition:transform .4s cubic-bezier(.175,.885,.32,1.275);z-index:2000;font-weight:600;display:flex;align-items:center;gap:1rem}.notification.show{transform:translate(0)}.notification.success{border-color:#22c55e}.notification.error{border-color:#ef4444}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0f172acc;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:3000;display:flex;justify-content:center;align-items:center;opacity:0;visibility:hidden;transition:all .3s ease}.modal-overlay.open{opacity:1;visibility:visible}.modal-content{background:#fff;padding:2.5rem;border-radius:var(--border-radius-lg);box-shadow:var(--shadow-glow);max-width:500px;width:90%;text-align:center;position:relative;transform:translateY(20px);transition:all .3s cubic-bezier(.34,1.56,.64,1)}.modal-overlay.open .modal-content{transform:translateY(0)}.modal-close{position:absolute;top:15px;right:20px;font-size:1.5rem;color:#94a3b8;cursor:pointer;transition:color .2s}.modal-close:hover{color:var(--text-main)}.modal-title{margin-bottom:1rem;color:var(--bg-dark)}.modal-desc{color:var(--text-sub);margin-bottom:2rem}.modal-buttons{display:flex;flex-direction:column;gap:1rem}.btn-download{display:flex;align-items:center;justify-content:center;gap:.8rem;padding:1rem;border-radius:var(--border-radius);font-weight:600;transition:var(--transition);text-decoration:none}.btn-pdf{background-color:#ef4444;color:#fff}.btn-pdf:hover{background-color:#dc2626;transform:translateY(-2px)}.btn-ppt{background-color:#ea580c;color:#fff}.btn-ppt:hover{background-color:#c2410c;transform:translateY(-2px)}.btn-transparent{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);color:#fff}.btn-transparent:hover{background:#fff3;border-color:#ffffff80;transform:translateY(-2px)}@media(max-width:768px){.pc-only{display:none}h1{font-size:2.2rem;line-height:1.3}h2{font-size:1.8rem;line-height:1.35}h3{font-size:1.3rem}.hero-subtitle{font-size:1.1rem;line-height:1.6;padding:0 1rem;word-break:keep-all}.section{padding:3rem 0}.grid-3{grid-template-columns:1fr;gap:1.5rem}.hero{padding:4rem 0 3rem;background-attachment:scroll}.hero-actions{display:flex;flex-direction:column;align-items:stretch;gap:.8rem;padding:0 1.5rem}.hero-actions .btn{width:100%;margin-bottom:.2rem}.btn-row{flex-direction:column-reverse;gap:.8rem}.diagnosis-form{padding:1.5rem}.modal-content{width:95%;padding:1.5rem}}