body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}:root{--primary-color:#6366f1;--primary-hover:#4f46e5;--accent-color:#ec4899;--bg:#f5f7fb;--card-bg:#fff;--text-main:#1e293b;--text-muted:#64748b;--border-color:#cbd5e1;--border-soft:#e2e8f0;--danger:#dc2626;--success:#059669;--radius:16px;--shadow:0 10px 25px -5px #0f172a0f, 0 8px 10px -6px #0f172a0d;--header-h:64px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text-main);word-break:keep-all;font-family:Pretendard,Inter,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Malgun Gothic,Segoe UI,Roboto,sans-serif;line-height:1.6}a{color:var(--primary-color)}.site{flex-direction:column;min-height:100vh;display:flex}.site-main{flex:1;width:100%}.site-header{z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;background:#0f172af5;position:sticky;top:0}.site-header-inner{max-width:1080px;height:var(--header-h);align-items:center;gap:16px;margin:0 auto;padding:0 20px;display:flex}.brand{color:#fff;letter-spacing:-.02em;white-space:nowrap;align-items:center;gap:8px;font-weight:700;text-decoration:none;display:flex}.brand-mark{font-size:1.3rem}.site-nav{align-items:center;gap:4px;margin-left:auto;display:flex}.site-nav>a{color:#cbd5e1;border-radius:8px;padding:8px 12px;font-size:.92rem;font-weight:500;text-decoration:none}.site-nav>a:hover,.site-nav>a.active{color:#fff;background:#ffffff14}.user-area{align-items:center;gap:8px;margin-left:8px;display:flex}.user-chip{color:#e2e8f0;background:#ffffff14;border-radius:999px;align-items:center;gap:8px;max-width:280px;padding:4px 10px 4px 4px;font-size:.85rem;text-decoration:none;display:flex}.avatar{background:linear-gradient(135deg, var(--primary-color), var(--accent-color));color:#fff;border-radius:50%;flex-shrink:0;place-items:center;width:30px;height:30px;font-size:.85rem;font-weight:700;display:grid}.user-email{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.login-badge{color:#052e16;white-space:nowrap;background:#4ade80;border-radius:999px;padding:2px 8px;font-size:.7rem;font-weight:700}.nav-btn{background:var(--primary-color);color:#fff;cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:8px;padding:8px 14px;font-family:inherit;font-size:.88rem;font-weight:600;text-decoration:none}.nav-btn:hover{background:var(--primary-hover)}.nav-btn.ghost{color:#e2e8f0;background:0 0;border-color:#ffffff40}.nav-btn.ghost:hover{background:#ffffff14}.menu-toggle{color:#fff;cursor:pointer;background:0 0;border:0;margin-left:auto;font-size:1.5rem;display:none}.site-footer{color:#94a3b8;background:#0f172a;margin-top:64px}.site-footer-inner{gap:16px;max-width:1080px;margin:0 auto;padding:32px 20px;font-size:.88rem;display:grid}.site-footer strong{color:#e2e8f0}.footer-links{flex-wrap:wrap;gap:18px;display:flex}.footer-links a{color:#cbd5e1;text-decoration:none}.footer-links a:hover{color:#fff;text-decoration:underline}.copyright{color:#64748b;font-size:.8rem}.page{max-width:1080px;margin:0 auto;padding:40px 20px}.page.narrow{max-width:720px}.page-center{place-items:center;min-height:60vh;padding:40px 20px;display:grid}.page-head{margin-bottom:24px}.page-head h1{letter-spacing:-.03em;margin-bottom:4px;font-size:1.75rem}.card{background:var(--card-bg);border:1px solid var(--border-soft);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}.card-title{margin-bottom:16px;font-size:1.1rem}.muted{color:var(--text-muted)}.small{font-size:.85rem}.center{text-align:center}.stack{flex-direction:column;gap:14px;display:flex}.btn{cursor:pointer;border:1px solid #0000;border-radius:12px;justify-content:center;align-items:center;gap:6px;padding:12px 20px;font-family:inherit;font-size:.95rem;font-weight:600;text-decoration:none;transition:transform .1s,background .2s,opacity .2s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-primary{background:linear-gradient(135deg, var(--primary-color), var(--primary-hover));color:#fff;box-shadow:0 4px 12px #6366f14d}.btn-ghost{color:var(--primary-hover);background:#eef2ff}.btn-ghost:hover{background:#e0e7ff}.btn-danger{color:var(--danger);background:#fef2f2;border-color:#fecaca}.btn-danger:hover{background:#fee2e2}.btn-lg{padding:16px 28px;font-size:1.05rem}.btn-block{width:100%}.link-btn{color:var(--primary-color);cursor:pointer;background:0 0;border:0;padding:0;font-family:inherit;font-size:.9rem}.link-btn:hover{text-decoration:underline}.link-btn.danger{color:var(--danger)}.text-link{font-weight:600;text-decoration:none}.field{flex-direction:column;gap:6px;display:flex}.field label{font-size:.9rem;font-weight:600}.text-input{border:1px solid var(--border-color);background:#fff;border-radius:10px;outline:none;width:100%;padding:12px 14px;font-family:inherit;font-size:1rem}.text-input:focus,.auth-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f126}.checkbox{color:var(--text-muted);cursor:pointer;align-items:flex-start;gap:10px;font-size:.88rem;display:flex}.checkbox input{width:16px;height:16px;accent-color:var(--primary-color);flex-shrink:0;margin-top:4px}.form-error{color:var(--danger);background:#fef2f2;border-radius:8px;padding:10px 12px;font-size:.9rem}.form-success{color:var(--success);background:#ecfdf5;border-radius:8px;padding:10px 12px;font-size:.9rem}.form-hint{color:var(--text-muted);font-size:.88rem}.landing{max-width:1080px;margin:0 auto;padding:0 20px}.hero{text-align:center;padding:88px 0 64px}.hero-eyebrow{color:var(--primary-hover);background:#eef2ff;border-radius:999px;margin-bottom:20px;padding:6px 14px;font-size:.85rem;font-weight:700;display:inline-block}.hero h1{letter-spacing:-.04em;margin-bottom:20px;font-size:clamp(2rem,5vw,3.25rem);line-height:1.25}.gradient-text{background:linear-gradient(135deg, var(--primary-color), var(--accent-color));color:#0000;-webkit-background-clip:text;background-clip:text}.hero-sub{color:var(--text-muted);max-width:560px;margin:0 auto 32px;font-size:1.1rem}.hero-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.hero-note{color:var(--text-muted);margin-top:18px;font-size:.88rem}.section{padding:40px 0}.section-title{letter-spacing:-.03em;text-align:center;margin-bottom:28px;font-size:1.6rem}.steps{grid-template-columns:repeat(3,1fr);gap:20px;list-style:none;display:grid}.step{text-align:center;position:relative}.step-num{color:#c7d2fe;font-size:1.4rem;font-weight:800;position:absolute;top:16px;left:18px}.step-icon,.feature-icon{margin-bottom:10px;font-size:2.2rem;display:block}.step h3,.feature h3{margin-bottom:6px;font-size:1.05rem}.step p,.feature p{color:var(--text-muted);font-size:.92rem}.feature-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.trust{background:linear-gradient(135deg,#eef2ff,#fdf2f8)}.trust h2{margin-bottom:12px;font-size:1.3rem}.trust ul{color:var(--text-main);margin:0 0 14px 20px}.trust li{margin-bottom:4px}.cta-band{text-align:center;color:#fff;background:linear-gradient(135deg,#1e293b,#0f172a);border-radius:24px;margin:24px 0;padding:56px 24px}.cta-band h2{letter-spacing:-.03em;margin-bottom:24px;font-size:1.5rem}.auth-page{justify-content:center;padding:56px 20px;display:flex}.auth-card{flex-direction:column;gap:18px;width:100%;max-width:400px;display:flex}.auth-title{letter-spacing:-.03em;font-size:1.5rem}.auth-sub{color:var(--text-muted);margin-top:-10px;font-size:.92rem}.auth-input{border:1px solid var(--border-color);background:#fff;border-radius:12px;outline:none;width:100%;height:52px;padding:0 16px;font-family:inherit;font-size:1rem}.auth-links{flex-wrap:wrap;justify-content:space-between;gap:12px;display:flex}.auth-links .link-btn:only-child{margin:0 auto}.quota{color:var(--primary-hover);background:#eef2ff;border-radius:999px;margin-top:10px;padding:6px 12px;font-size:.88rem;display:inline-block}.quota.empty{color:var(--danger);background:#fef2f2}.photo-tools{justify-content:flex-end;display:flex}.analyzing{text-align:center;flex-direction:column;align-items:center;gap:14px;padding:56px 28px;display:flex}.result-header{text-align:center;margin-bottom:20px}.result-header h1{letter-spacing:-.03em;font-size:1.6rem}.result-body{margin-bottom:20px}.result-body.hair{text-align:center;flex-direction:column;align-items:center;gap:12px;display:flex}.result-body.hair img{border-radius:12px;max-width:100%;box-shadow:0 4px 16px #00000026}.result-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:12px;display:flex}.report{text-align:left}.report-heading{color:var(--primary-hover);border-bottom:1px solid var(--border-soft);margin:24px 0 10px;padding-bottom:6px;font-size:1.1rem}.report>.report-heading:first-child{margin-top:0}.report-paragraph{color:#334155;margin-bottom:10px}.report-list{color:#334155;margin:0 0 12px 20px}.report-list li{margin-bottom:6px}.report-list li::marker{color:var(--primary-color)}.mypage-grid{grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px;display:grid}.info-list{grid-template-columns:80px 1fr;gap:10px 12px;margin-bottom:20px;font-size:.95rem;display:grid}.info-list dt{color:var(--text-muted)}.info-list dd{word-break:break-all}.history{margin-bottom:20px}.history-list{list-style:none}.history-item{border:1px solid var(--border-soft);border-radius:12px;margin-bottom:10px;overflow:hidden}.history-summary{cursor:pointer;text-align:left;width:100%;color:var(--text-main);background:#f8fafc;border:0;align-items:center;gap:12px;padding:14px 16px;font-family:inherit;font-size:.95rem;display:flex}.history-summary:hover{background:#f1f5f9}.history-date{font-weight:600}.history-meta{color:var(--text-muted);font-size:.88rem}.chevron{color:var(--text-muted);margin-left:auto;font-size:.75rem}.history-detail{border-top:1px solid var(--border-soft);padding:20px}.history-actions{justify-content:flex-end;margin-top:12px;display:flex}.empty{text-align:center;flex-direction:column;align-items:center;gap:14px;padding:24px 0;display:flex}.danger-zone{border-color:#fecaca}.danger-zone .btn{margin-top:14px}.small-spinner{border-width:3px;width:28px;height:28px;margin:12px auto}.faq-group{margin-bottom:28px}.faq-category{color:var(--primary-hover);margin-bottom:10px;font-size:1rem}.faq-item{border:1px solid var(--border-soft);background:#fff;border-radius:12px;margin-bottom:8px}.faq-item summary{cursor:pointer;justify-content:space-between;gap:12px;padding:16px 18px;font-weight:600;list-style:none;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--primary-color);font-size:1.2rem;line-height:1}.faq-item[open] summary:after{content:"−"}.faq-answer{color:#475569;padding:0 18px 18px}.contact-box{text-align:center;flex-direction:column;align-items:center;gap:10px;margin-top:12px;display:flex}.legal h1{margin-bottom:4px;font-size:1.6rem}.legal h2{margin:28px 0 10px;font-size:1.05rem}.legal p,.legal li{color:#334155;font-size:.95rem}.legal ul{margin-left:20px}.legal table{border-collapse:collapse;width:100%;margin:10px 0;font-size:.88rem}.legal th,.legal td{border:1px solid var(--border-soft);text-align:left;vertical-align:top;padding:8px 10px}.legal th{background:#f8fafc}.stylist-form{flex-direction:column;gap:24px;padding:28px;display:flex}.form-group{flex-direction:column;gap:8px;display:flex}.form-group label{color:var(--text-main);font-size:.9rem;font-weight:600}.photo-upload-container{border:2px dashed var(--border-color);border-radius:var(--radius);cursor:pointer;background:#f8fafc;flex-direction:column;justify-content:center;align-items:center;padding:24px;transition:all .2s;display:flex;position:relative;overflow:hidden}.photo-upload-container:hover{border-color:var(--primary-color);background:#f1f5f9}.photo-upload-container.dragging{border-color:var(--primary-color);background:#e2e8f0;transform:scale(1.01)}.photo-preview{object-fit:cover;border-radius:50%;width:120px;height:120px;margin-bottom:12px;box-shadow:0 4px 12px #0000001a}.upload-placeholder{color:var(--text-muted);flex-direction:column;align-items:center;gap:8px;display:flex}.upload-icon{font-size:2.5rem}.upload-text{font-size:.9rem;font-weight:500}.file-input{display:none}.input-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.input-with-unit{align-items:center;display:flex;position:relative}.input-with-unit input{border:1px solid var(--border-color);background:#fff;border-radius:10px;outline:none;width:100%;padding:12px 40px 12px 16px;font-size:1rem;transition:border-color .2s}.input-with-unit input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f126}.unit{color:var(--text-muted);font-size:.9rem;font-weight:500;position:absolute;right:16px}.style-pills{flex-wrap:wrap;gap:8px;display:flex}.style-pill{border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;background:#fff;border-radius:20px;padding:8px 16px;font-size:.85rem;font-weight:500;transition:all .2s}.style-pill:hover{border-color:var(--primary-color);color:var(--primary-color)}.style-pill.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.spinner{border:4px solid #e2e8f0;border-top-color:var(--primary-color);border-radius:50%;width:50px;height:50px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=860px){.menu-toggle{display:block}.site-nav{top:var(--header-h);background:#0f172a;border-top:1px solid #ffffff14;flex-direction:column;align-items:stretch;gap:4px;padding:12px 20px 20px;display:none;position:absolute;left:0;right:0}.site-nav.open{display:flex}.user-area{flex-direction:column;align-items:stretch;margin:8px 0 0}.user-chip{max-width:none}.nav-btn{text-align:center}.steps,.feature-grid,.mypage-grid{grid-template-columns:1fr}.hero{padding:56px 0 40px}}@media (width<=480px){.card{padding:20px}.input-row{grid-template-columns:1fr}}@media print{.site-header,.site-footer,.no-print,.result-body.hair .btn{display:none!important}body{background:#fff}.card{box-shadow:none;border:0;padding:0}}.social-login{flex-direction:column;gap:10px;display:flex}.social-btn{cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:10px;width:100%;height:52px;font-family:inherit;font-size:.98rem;font-weight:600;transition:filter .15s;display:flex}.social-btn:hover{filter:brightness(.97)}.social-btn:disabled{opacity:.6;cursor:wait}.social-btn.kakao{color:#000000d9;background:#fee500;border:0}.social-btn.google{color:#1f1f1f;background:#fff;border:1px solid #dadce0}.social-consent{color:var(--text-muted);text-align:center;font-size:.78rem}.divider{color:var(--text-muted);align-items:center;gap:12px;font-size:.82rem;display:flex}.divider:before,.divider:after{content:"";background:var(--border-soft);flex:1;height:1px}.section-sub{text-align:center;color:var(--text-muted);margin:-16px 0 24px}.guide-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.guide-grid.small{grid-template-columns:repeat(3,1fr);gap:14px}.guide-card{color:inherit;flex-direction:column;gap:8px;text-decoration:none;transition:transform .15s,box-shadow .15s;display:flex}.guide-card:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px #0f172a2e}.guide-card h2,.guide-card h3{letter-spacing:-.02em;font-size:1.05rem;line-height:1.45}.guide-card p{color:var(--text-muted);font-size:.9rem}.guide-icon{font-size:1.8rem}.guide-category{color:var(--primary-hover);background:#eef2ff;border-radius:999px;align-self:flex-start;padding:3px 10px;font-size:.75rem;font-weight:700}.guide-meta{color:var(--text-muted);margin-top:auto;font-size:.8rem}.breadcrumb{color:var(--text-muted);margin-bottom:14px;font-size:.85rem}.breadcrumb a{color:var(--text-muted);text-decoration:none}.breadcrumb a:hover{color:var(--primary-color)}.article header{flex-direction:column;gap:10px;margin-bottom:20px;display:flex}.article h1{letter-spacing:-.03em;font-size:1.7rem;line-height:1.35}.article h2{letter-spacing:-.02em;margin:32px 0 12px;font-size:1.2rem}.article p{color:#334155;margin-bottom:14px;line-height:1.8}.article ul{color:#334155;margin:0 0 14px 20px}.article li{margin-bottom:6px;line-height:1.7}.article section{scroll-margin-top:calc(var(--header-h) + 16px)}.article-intro{font-size:1.05rem}.toc{border:1px solid var(--border-soft);background:#f8fafc;border-radius:12px;margin:8px 0;padding:16px 20px}.toc ol{margin:8px 0 0 20px}.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}.tip-box{background:#fffbeb;border:1px solid #fde68a;border-radius:12px;margin:4px 0 16px;padding:16px 18px}.tip-box ul{margin:8px 0 0 18px}.summary-box{background:#eef2ff;border-radius:12px;margin-top:28px;padding:4px 20px 12px}.summary-box h2{margin-top:16px}.article-cta{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin:20px 0;display:flex}.article-actions{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.related h2{margin:28px 0 14px;font-size:1.1rem}.contact-email{font-size:1.3rem;font-weight:700;text-decoration:none}.article .contact-box{background:#f8fafc;border-radius:12px;margin:8px 0;padding:24px}@media (width<=860px){.guide-grid,.guide-grid.small{grid-template-columns:1fr}.site-nav>a{padding:10px 12px}}.nav-menu{background:#ffffff0d;border:1px solid #ffffff14;border-radius:999px;align-items:center;gap:2px;padding:4px;list-style:none;display:flex}.nav-item{color:#cbd5e1;letter-spacing:-.01em;white-space:nowrap;border-radius:999px;align-items:center;gap:7px;padding:7px 14px;font-size:.9rem;font-weight:600;text-decoration:none;transition:background .2s,color .2s,box-shadow .2s;display:flex;position:relative}.nav-item:hover{color:#fff;background:#ffffff14}.nav-item:focus-visible{outline-offset:2px;outline:2px solid #a5b4fc}.nav-icon{opacity:.85;place-items:center;transition:transform .2s;display:grid}.nav-item:hover .nav-icon{opacity:1;transform:translateY(-1px)scale(1.06)}.nav-text{flex-direction:column;display:flex}.nav-label{align-items:center;gap:6px;display:flex}.nav-desc{display:none}.nav-badge{letter-spacing:.04em;color:#fff;background:linear-gradient(135deg, var(--primary-color), var(--accent-color));border-radius:999px;padding:1px 6px;font-size:.62rem;font-weight:800;box-shadow:0 0 10px #ec489973}.nav-item.featured{color:#fff}.nav-item.featured .nav-icon{opacity:1}.nav-item.active{color:#0f172a;background:#fff;box-shadow:0 4px 14px #00000040}.nav-item.active .nav-icon{opacity:1}.nav-item.active.featured .nav-icon svg{stroke:var(--primary-hover)}@media (width<=860px){.nav-menu{background:0 0;border:0;border-radius:0;flex-direction:column;align-items:stretch;gap:6px;padding:0}.nav-item{white-space:normal;background:#ffffff0a;border-radius:14px;gap:14px;padding:12px 14px}.nav-icon{background:#ffffff14;border-radius:12px;flex-shrink:0;width:40px;height:40px}.nav-item.featured .nav-icon{background:linear-gradient(135deg,#6366f159,#ec489959)}.nav-label{font-size:.98rem}.nav-desc{color:#94a3b8;margin-top:1px;font-size:.8rem;font-weight:400;display:block}.nav-item.active{background:#fff}.nav-item.active .nav-icon{color:var(--primary-hover);background:#eef2ff}.nav-item.active .nav-desc{color:var(--text-muted)}}@media (width>=861px) and (width<=1180px){.user-chip .user-email{display:none}.nav-item{padding:7px 11px}.site-header-inner{max-width:none}}