:root{--petal-whisper:#fff5f7;--petal-blush:#ffeef2;--petal-pale:#fce4ec;--petal-soft:#f8bbd0;--petal-bloom:#f48fb1;--petal-vivid:#ec407a;--petal-deep:#c2185b;--petal-night:#880e4f;--petal-abyss:#4a0025;--bg-deep:#1a080e;--bg-chapter:#1f0c14;--bg-surface:#2a1019;--bg-card:#33141f;--branch-warm:#8d6e63;--branch-deep:#5d4037;--branch-dark:#3e2723;--leaf-spring:#a5d6a7;--leaf-fresh:#66bb6a;--text-primary:#faf0f3;--text-secondary:#d4a0b0;--text-muted:#9c6b7d;--text-korean:#f8bbd0;--font-display:"Cormorant Garamond", "Georgia", serif;--font-body:"Cormorant Garamond", "Georgia", serif;--font-korean:"Noto Sans KR", "Apple SD Gothic Neo", sans-serif;--font-ui:"Inter", system-ui, sans-serif;--max-width:720px;--gutter:clamp(1.5rem, 5vw, 4rem)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--text-primary);background:var(--bg-deep);-webkit-font-smoothing:antialiased;font-size:clamp(1.15rem,2.4vw,1.4rem);line-height:1.9;overflow-x:hidden}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-deep)}::-webkit-scrollbar-thumb{background:var(--petal-night);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--petal-deep)}h1,h2,h3,h4{font-family:var(--font-display);font-weight:400;line-height:1.2}p{margin-bottom:1.5em}p:last-child{margin-bottom:0}em{color:var(--petal-bloom);font-style:italic}strong{color:var(--text-primary);font-weight:600}.korean{font-family:var(--font-korean);color:var(--text-korean);font-size:.92em}.lede{color:var(--petal-soft);margin-bottom:2em;font-size:1.2em;font-style:italic;line-height:1.85}.gate{z-index:1000;background:var(--bg-deep);justify-content:center;align-items:center;transition:opacity .8s,visibility .8s;display:flex;position:fixed;inset:0}.gate.unlocked{opacity:0;visibility:hidden;pointer-events:none}body.gated{overflow:hidden}.gate-content{text-align:center;padding:2rem}.gate-blossom{width:80px;height:80px;margin:0 auto 2rem;animation:20s linear infinite blossom-spin;position:relative}@keyframes blossom-spin{to{transform:rotate(360deg)}}.blossom-center{background:var(--petal-vivid);width:16px;height:16px;box-shadow:0 0 20px var(--petal-bloom);border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.blossom-petal{background:var(--petal-bloom);transform-origin:bottom;opacity:.8;border-radius:50%/60% 60% 40% 40%;width:14px;height:28px;position:absolute;top:50%;left:50%}.blossom-petal.p1{transform:translate(-50%,-100%)rotate(0)}.blossom-petal.p2{transform:translate(-50%,-100%)rotate(72deg)}.blossom-petal.p3{transform:translate(-50%,-100%)rotate(144deg)}.blossom-petal.p4{transform:translate(-50%,-100%)rotate(216deg)}.blossom-petal.p5{transform:translate(-50%,-100%)rotate(288deg)}.gate-korean{font-family:var(--font-korean);color:var(--petal-bloom);letter-spacing:.3em;margin-bottom:.5rem;font-size:1.8rem}.gate-title{letter-spacing:.15em;color:var(--text-primary);margin-bottom:1.5rem;font-size:2rem;font-weight:300}.gate-line{background:var(--petal-deep);width:40px;height:1px;margin:0 auto 2rem}.gate-form{justify-content:center;align-items:center;gap:.5rem;display:flex}.gate-input{border:none;border-bottom:1px solid var(--petal-night);color:var(--text-primary);font-family:var(--font-ui);letter-spacing:.2em;text-align:center;background:0 0;outline:none;width:180px;padding:.5rem 1rem;font-size:.85rem;transition:border-color .4s}.gate-input:focus{border-color:var(--petal-bloom)}.gate-input::placeholder{color:var(--text-muted)}.gate-submit{border:1px solid var(--petal-night);color:var(--petal-bloom);cursor:pointer;background:0 0;border-radius:50%;padding:6px 10px;transition:all .3s;display:flex}.gate-submit:hover{border-color:var(--petal-bloom);background:#f48fb11a}.gate-error{color:var(--petal-vivid);font-family:var(--font-ui);min-height:1.2em;margin-top:1rem;font-size:.75rem}@keyframes gate-shake{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(8px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.petals{pointer-events:none;z-index:1;position:fixed;inset:0;overflow:hidden}.petal{width:var(--size);height:var(--size);background:var(--color);opacity:0;animation:petal-fall var(--duration) var(--delay) ease-in-out infinite;border-radius:50% 0;position:absolute}@keyframes petal-fall{0%{opacity:0;transform:translateY(-20px)rotate(0)scale(.8)}10%{opacity:var(--opacity)}90%{opacity:var(--opacity)}to{opacity:0;transform:translate(var(--drift), 110vh) rotate(var(--spin)) scale(.4)}}.branches{pointer-events:none;z-index:0;position:fixed;inset:0}.branch{opacity:.06;width:120px;height:100%;position:fixed;top:0}.branch-left{left:0}.branch-right{right:0;transform:scaleX(-1)}.branch-path{fill:none;stroke:var(--branch-warm);stroke-width:3px;stroke-dasharray:6000;stroke-dashoffset:6000px;animation:10s ease-out forwards branch-grow}@keyframes branch-grow{to{stroke-dashoffset:0}}.progress-bar{z-index:100;background:#1a080e80;height:3px;position:fixed;top:0;left:0;right:0}.progress-fill{background:linear-gradient(90deg, var(--petal-deep), var(--petal-bloom), var(--petal-soft));width:0%;height:100%;transition:width .15s ease-out}.chapter-nav{z-index:50;flex-direction:column;gap:14px;display:flex;position:fixed;top:50%;right:1.5rem;transform:translateY(-50%)}.nav-dot{background:var(--petal-night);cursor:pointer;border-radius:50%;width:10px;height:10px;transition:all .4s;position:relative}.nav-dot.active{background:var(--petal-bloom);box-shadow:0 0 12px var(--petal-bloom), 0 0 24px #f48fb14d;transform:scale(1.3)}.nav-label{white-space:nowrap;font-family:var(--font-ui);letter-spacing:.1em;color:var(--text-muted);opacity:0;pointer-events:none;font-size:.65rem;transition:opacity .3s;position:absolute;top:50%;right:20px;transform:translateY(-50%)}.nav-dot:hover .nav-label{opacity:1}.title-screen{z-index:2;text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex;position:relative}.title-content{transition:opacity .5s,transform .5s}.title-korean{font-family:var(--font-korean);color:var(--petal-bloom);letter-spacing:.4em;text-shadow:0 0 40px #f48fb14d;margin-bottom:1rem;font-size:clamp(2.5rem,6vw,4rem)}.title-main{letter-spacing:.12em;color:var(--text-primary);margin-bottom:1.5rem;font-size:clamp(1.6rem,4vw,2.8rem);font-weight:300}.title-line{background:linear-gradient(90deg, transparent, var(--petal-deep), transparent);width:60px;height:1px;margin:0 auto 1.5rem}.title-sub{color:var(--text-secondary);letter-spacing:.05em;margin-bottom:.5rem;font-size:1.1rem}.title-whisper{color:var(--text-muted);font-size:.85rem;font-style:italic}.scroll-hint{animation:3s ease-in-out infinite hint-float;position:absolute;bottom:3rem}.scroll-petal{background:var(--petal-bloom);opacity:.6;border-radius:50% 0;width:10px;height:10px;transform:rotate(45deg)}@keyframes hint-float{0%,to{opacity:.6;transform:translateY(0)}50%{opacity:.3;transform:translateY(12px)}}.prologue{z-index:2;max-width:var(--max-width);padding:4rem var(--gutter) 6rem;margin:0 auto;position:relative}.prose{max-width:var(--max-width);margin:0 auto}.pullquote{border-left:2px solid var(--petal-deep);margin:2.5rem 0;padding:1.5rem 0 1.5rem 1.5rem}.pullquote p{color:var(--petal-soft);font-size:1.1em;font-style:italic;line-height:1.7}.bloom{z-index:2;padding:6rem var(--gutter);max-width:calc(var(--max-width) + var(--gutter) * 2);margin:0 auto;position:relative}.bloom-header{text-align:center;margin-bottom:4rem}.bloom-number{color:var(--petal-deep);letter-spacing:.2em;margin-bottom:1rem;font-size:1.8rem;display:block}.bloom-korean{font-family:var(--font-korean);color:var(--petal-bloom);letter-spacing:.2em;text-shadow:0 0 30px #f48fb133;margin-bottom:.3rem;font-size:clamp(2rem,5vw,3.2rem)}.bloom-title{letter-spacing:.1em;color:var(--text-primary);margin-bottom:.5rem;font-size:clamp(1.3rem,3vw,2rem);font-weight:300}.bloom-subtitle{color:var(--text-muted);letter-spacing:.05em;font-size:.9rem;font-style:italic}.bloom-body{max-width:var(--max-width);margin:0 auto}.bloom-body h4{color:var(--petal-soft);letter-spacing:.05em;margin:3rem 0 1.5rem;font-size:1.1em}.bloom[data-depth="1"]{background:linear-gradient(#0000,#fce4ec05)}.bloom[data-depth="2"]{background:linear-gradient(#fce4ec05,#f8bbd008)}.bloom[data-depth="3"]{background:linear-gradient(#f8bbd008,#f48fb10a)}.bloom[data-depth="4"]{background:linear-gradient(#f48fb10a,#ec407a0d)}.bloom[data-depth="5"]{background:linear-gradient(#ec407a0d,#c2185b0f)}.bloom[data-depth="6"]{background:linear-gradient(#c2185b0f,#880e4f12)}.bloom[data-depth="7"]{background:linear-gradient(#880e4f12,#4a002514)}.sound-insight{background:#f48fb10f;border:1px solid #f48fb11a;border-radius:12px;margin:2.5rem 0;padding:2rem}.sound-insight h4{color:var(--petal-bloom);margin-top:0!important}.hangul-shapes{grid-template-columns:repeat(5,1fr);gap:1rem;margin:1.5rem 0;display:grid}.hangul-shape{text-align:center;padding:1rem .5rem}.hangul-char{font-family:var(--font-korean);color:var(--petal-bloom);text-shadow:0 0 20px #f48fb14d;margin-bottom:.5rem;font-size:2.5rem;display:block}.hangul-desc{font-family:var(--font-ui);color:var(--text-muted);font-size:.65rem;line-height:1.4;display:block}.spectrum-cards{grid-template-columns:repeat(3,1fr);gap:1rem;margin:2rem 0;display:grid}.spectrum-card{background:var(--bg-card);text-align:center;border:1px solid #f48fb11a;border-radius:10px;padding:1.5rem;transition:border-color .3s,transform .3s}.spectrum-card:hover{border-color:var(--petal-bloom);transform:translateY(-2px)}.spectrum-hangul{font-family:var(--font-korean);margin-bottom:.5rem;font-size:2.5rem;display:block}.spectrum-card.plain .spectrum-hangul{color:var(--petal-soft)}.spectrum-card.aspirated .spectrum-hangul{color:var(--petal-bloom)}.spectrum-card.tense .spectrum-hangul{color:var(--petal-vivid)}.spectrum-label{font-family:var(--font-ui);text-transform:uppercase;letter-spacing:.15em;color:var(--text-muted);margin-bottom:.75rem;font-size:.7rem;display:block}.spectrum-desc{color:var(--text-secondary);font-size:.85rem;line-height:1.5;display:block}.chunk-cards{flex-direction:column;gap:.75rem;margin:2rem 0;display:flex}.chunk-card{background:var(--bg-card);border:1px solid #f48fb114;border-radius:10px;padding:1.5rem;transition:border-color .3s,transform .3s}.chunk-card:hover{border-color:var(--petal-bloom);transform:translateY(-2px)}.chunk-korean{font-family:var(--font-korean);color:var(--petal-bloom);margin-bottom:.75rem;font-size:1.4rem;display:block}.chunk-situation{color:var(--text-muted);font-size:.85rem;font-style:italic;line-height:1.5;display:block}.pattern-compare{background:var(--bg-card);border:1px solid #f48fb11a;border-radius:12px;margin:2rem 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#648cb433}.register-card.polite{background:#f48fb114;border:1px solid #f48fb126}.register-card.casual{background:#ec407a1a;border:1px solid #ec407a33}.register-temp{font-family:var(--font-ui);text-transform:uppercase;letter-spacing:.2em;margin-bottom:.5rem;font-size:.6rem;display:block}.register-card.formal .register-temp{color:#90caf9}.register-card.polite .register-temp{color:var(--petal-bloom)}.register-card.casual .register-temp{color:var(--petal-vivid)}.register-name{color:var(--text-secondary);margin-bottom:.75rem;font-size:.8rem;display:block}.register-phrase{font-family:var(--font-korean);margin-bottom:.75rem;font-size:1.6rem;display:block}.register-card.formal .register-phrase{color:#bbdefb}.register-card.polite .register-phrase{color:var(--petal-soft)}.register-card.casual .register-phrase{color:var(--petal-vivid)}.register-scene{color:var(--text-muted);font-size:.75rem;font-style:italic;line-height:1.5;display:block}.temperature-scene{flex-direction:column;gap:1rem;margin:2rem 0;display:flex}.scene-card{background:var(--bg-card);border:1px solid #f48fb114;border-radius:10px;grid-template-columns:120px 1fr auto;align-items:center;gap:1rem;padding:1.25rem 1.5rem;transition:border-color .3s;display:grid}.scene-card:hover{border-color:var(--petal-bloom)}.scene-who{font-family:var(--font-ui);color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;font-size:.75rem}.scene-korean{font-family:var(--font-korean);color:var(--petal-bloom);font-size:1.3rem}.scene-feel{color:var(--text-secondary);text-align:right;font-size:.8rem;font-style:italic}.concept-cards{flex-direction:column;gap:2rem;margin:2.5rem 0;display:flex}.concept-card{background:var(--bg-card);border:1px solid #f48fb11a;border-radius:12px;padding:2rem;transition:border-color .4s}.concept-card:hover{border-color:var(--petal-bloom)}.concept-korean{font-family:var(--font-korean);color:var(--petal-bloom);text-shadow:0 0 30px #f48fb14d;margin-right:1rem;font-size:2.5rem;display:inline-block}.concept-roman{font-family:var(--font-ui);color:var(--text-muted);letter-spacing:.1em;vertical-align:super;font-size:.75rem}.concept-body{margin-top:1rem}.concept-body p{color:var(--text-secondary);font-size:.95rem;line-height:1.8}.translation-compare{background:var(--bg-card);border:1px solid #f48fb11a;border-radius:12px;margin:2rem 0;padding:2rem}.trans-row{margin-bottom:1.5rem}.trans-row:last-child{margin-bottom:0}.trans-label{font-family:var(--font-ui);text-transform:uppercase;letter-spacing:.15em;color:var(--text-muted);margin-bottom:.5rem;font-size:.65rem;display:block}.trans-text{font-size:1.05rem;line-height:1.6;display:block}.trans-row.wrong .trans-text{color:#ef5350cc;-webkit-text-decoration:line-through #ef53504d;text-decoration:line-through 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.garden-bloom-korean{text-shadow:0 0 16px var(--bloom-glow)}.garden-bloom-english{font-family:var(--font-display);color:var(--text-muted);letter-spacing:.05em;font-size:.8rem}.garden-description{text-align:center;opacity:0;max-width:500px;min-height:4rem;transition:opacity .3s,transform 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