:root{color-scheme:dark;--background:#151218;--surface:#1d1a20;--surface-soft:#49454e;--text:#f9f7fc;--muted:#cac4d0;--primary:#815fd1;--primary-strong:#7050d8;--primary-container:#4a176a;--on-primary-container:#e9e2ff;--secondary:#f39a3c;--secondary-container:#6b3512;--on-secondary-container:#ffe8cc;--tertiary-container:#3f2a88;--plum:var(--primary-container);--line:#f9f7fc21;--ktv-gradient:linear-gradient(135deg, #ffbd63 0%, var(--secondary) 48%, #d97827 100%);--section-pad:clamp(48px, 5.5vw, 68px);font-family:Inter Variable,Inter,ui-rounded,Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html{background:var(--background);scroll-behavior:smooth;max-width:100%;overflow-x:clip}body{background-color:var(--background);background-image:radial-gradient(circle at 82% 10%, #f39a3c61 0, transparent 26rem), radial-gradient(circle at 10% 18%, #815fd1b8 0, transparent 35rem), linear-gradient(125deg, var(--tertiary-container) -18%, var(--primary-container) 20%, var(--background) 61%, var(--secondary-container) 135%);max-width:100%;min-height:100vh;color:var(--text);background-attachment:fixed;margin:0;overflow-x:clip}a{color:inherit}.site-header{z-index:1000;backdrop-filter:blur(16px);isolation:isolate;background:#151218f5;border:0;justify-content:space-between;align-items:center;min-height:68px;padding:0 24px;display:flex;position:sticky;top:0;box-shadow:0 8px 22px #08050a29}.brand{align-items:center;height:48px;text-decoration:none;display:inline-flex}.brand img{width:auto;height:37px;display:block}.hero-note{color:var(--secondary)}.header-actions{align-items:center;gap:10px;display:flex}.header-cta{background:linear-gradient(135deg, var(--primary-container), var(--primary-strong));min-height:42px;color:var(--text);cursor:pointer;font:inherit;user-select:none;border:0;border-radius:5px;align-items:center;padding:0 17px;font-size:.92rem;font-weight:780;text-decoration:none;display:inline-flex;box-shadow:4px 4px 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p{margin-bottom:0}.home{isolation:isolate;position:relative}.home:before{z-index:-2;content:"";pointer-events:none;background-image:linear-gradient(#f9f7fc09 1px,#0000 1px),linear-gradient(90deg,#f9f7fc09 1px,#0000 1px);background-size:46px 46px;position:fixed;inset:0;mask-image:linear-gradient(#000,#0000 76%)}.home:after{z-index:-1;content:"";pointer-events:none;transform-origin:100%;background:repeating-linear-gradient(-12deg,#0000 0 18px,#f39a3c21 19px 22px);width:min(52rem,100vw);height:9rem;position:absolute;top:36rem;right:0;transform:rotate(-8deg)}.home main{width:min(100% - 40px,1120px)}.home-hero{grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);align-items:center;gap:clamp(32px,4vw,56px);min-height:calc(100svh - 68px);padding:clamp(30px,5vh,52px) 0;display:grid;position:relative}.home-hero:after{background:linear-gradient(90deg, var(--secondary), #f39a3c00 45%, var(--primary), transparent);content:"";height:1px;position:absolute;bottom:3vh;left:0;right:0;box-shadow:0 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18px;height:30%;position:absolute;bottom:1%;left:0;right:0;transform:rotateX(64deg);mask-image:linear-gradient(#0000,#000)}.mascot-stage img{z-index:1;object-fit:contain;filter:drop-shadow(9px 13px #4a176a80)drop-shadow(0 22px 24px #12041f80);width:min(94%,410px);max-height:min(430px,56svh);animation:3.2s ease-in-out infinite alternate mascot-float;position:relative}.music-note{z-index:2;width:42px;height:42px;color:var(--on-secondary-container);filter:drop-shadow(0 2px 0 var(--primary-container)) drop-shadow(0 0 9px #f9f7fc80);will-change:transform;position:absolute}.note-one{animation:3.8s ease-in-out infinite alternate note-one-float;top:13%;left:14%;transform:rotate(-12deg)}.note-two{animation:4.4s ease-in-out -1.1s infinite alternate note-two-float;bottom:18%;right:13%;transform:rotate(12deg)}.singdu-way h2{letter-spacing:-.035em;margin:0;font-size:clamp(2rem,5vw,3.5rem)}.learning-story{padding:var(--section-pad) 0;border-top:1px solid 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span{border-radius:inherit;background:linear-gradient(90deg, var(--primary), var(--secondary));width:68%;height:100%;display:block;box-shadow:0 0 18px #f39a3c6b}.streak-card{z-index:4;align-items:center;gap:9px;display:inline-flex;position:absolute;top:29%;left:24%;transform:rotate(-9deg)}.streak-card svg{width:27px;height:27px;color:var(--secondary);filter:drop-shadow(0 0 8px #f39a3c7a);animation:1.8s ease-in-out infinite alternate streak-flame-idle}.streak-card strong{font-size:1.35rem}.streak-card span{color:var(--muted);font-size:.88rem;font-weight:680}.frame-row{z-index:3;direction:ltr;width:92%;height:57%;position:absolute;bottom:2%;right:1%}.frame-avatar{--frame-rotate:0deg;aspect-ratio:1;filter:drop-shadow(0 16px 18px #08050a70);animation:4.5s ease-in-out infinite alternate 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var(--text);outline-offset:4px}.ktv-demo{direction:ltr;order:1;min-height:480px;position:relative}.ktv-television{animation:6.2s ease-in-out infinite alternate television-idle;position:absolute;top:7%;left:0;right:7%}.ktv-tv-screen{background:#111014;border:10px solid #111014;border-radius:18px;overflow:hidden;box-shadow:0 24px 68px #08050a99}.ktv-tv-screen img,.ktv-laptop-screen img{width:100%;height:auto;display:block}.ktv-tv-stand{width:32%;height:34px;margin:-1px auto 0;position:relative}.ktv-tv-stand:before{content:"";background:linear-gradient(90deg,#171419,#48434b 48%,#171419);width:14%;height:25px;position:absolute;top:0;left:50%;transform:translate(-50%)}.ktv-tv-stand:after{content:"";background:linear-gradient(#4b464f,#171419);border-radius:999px 999px 4px 4px;width:72%;height:10px;position:absolute;bottom:0;left:50%;transform:translate(-50%);box-shadow:0 5px 9px #08050a57}.ktv-laptop{z-index:2;filter:drop-shadow(0 22px 26px #08050a8c);width:52%;animation:4.8s ease-in-out 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#f39a3c80}.discover-story{min-height:690px}.single-phone{direction:ltr;place-items:center;min-height:620px;display:grid;position:relative}.single-phone:before{aspect-ratio:1;content:"";filter:blur(8px);background:radial-gradient(circle,#815fd194,#f39a3c24 52%,#0000 70%);border-radius:50%;width:min(90%,520px);position:absolute}.single-phone .phone-screen{z-index:1;width:min(60%,320px);animation:5.4s ease-in-out infinite alternate discover-phone-idle;position:relative;transform:rotate(3deg)}.floating-flags{z-index:2;pointer-events:none;position:absolute;inset:0}.floating-flag{--flag-rotate:0deg;width:64px;height:auto;transform:rotate(var(--flag-rotate));border:2px solid #f9f7fc75;border-radius:8px;animation:4.8s ease-in-out infinite alternate flag-idle;display:block;position:absolute;box-shadow:6px 7px #4a176a94,0 15px 28px #08050a5c}.flag-1{--flag-rotate:-10deg;top:8%;left:10%}.flag-2{--flag-rotate:8deg;animation-delay:-.8s;top:16%;right:7%}.flag-3{--flag-rotate:6deg;animation-delay:-1.6s;top:38%;left:0}.flag-4{--flag-rotate:-8deg;animation-delay:-2.4s;top:48%;right:0}.flag-5{--flag-rotate:-5deg;animation-delay:-3.2s;bottom:17%;left:8%}.flag-6{--flag-rotate:7deg;animation-delay:-4s;bottom:7%;right:14%}.flag-7{--flag-rotate:2deg;animation-delay:-1.1s;top:3%;right:35%}.community-story{padding:var(--section-pad) 0;grid-template-columns:minmax(460px,1.18fr) minmax(280px,.82fr);align-items:center;gap:clamp(42px,7vw,88px);display:grid;position:relative}.community-visual{direction:ltr;min-height:560px;position:relative}.community-visual:before{filter:blur(12px);content:"";background:radial-gradient(circle,#815fd199,#f39a3c29 48%,#0000 72%);border-radius:50%;position:absolute;inset:4% -2% 0 -4%}.community-friends{position:absolute;inset:2% 1% 0 0}.community-friends:before{content:"";border:2px dashed #815fd147;border-radius:50%;position:absolute;inset:9% 7% 7% 3%;transform:rotate(-8deg)}.friend-chip{--friend-rotate:0deg;z-index:4;transform:rotate(var(--friend-rotate));background:#1d1a20eb;border:1px solid #f9f7fc2b;border-radius:999px;align-items:center;gap:8px;padding:7px 12px 7px 7px;animation:4.8s ease-in-out infinite alternate friend-idle;display:inline-flex;position:absolute;box-shadow:5px 6px #4a176a70}.friend-chip img{border:2px solid var(--secondary);object-fit:cover;border-radius:50%;width:38px;height:38px;display:block}.friend-chip strong{font-size:.88rem}.friend-arda{--friend-rotate:-6deg;top:3%;left:4%}.friend-nari{--friend-rotate:7deg;animation-delay:-1.5s;top:8%;right:4%}.community-share{z-index:3;background:linear-gradient(145deg,#2e2932fa,#1d1a20fa);border:1px solid #f9f7fc24;border-radius:24px;width:82%;padding:20px;animation:5.4s ease-in-out infinite alternate community-primary-idle;position:absolute;top:25%;left:8%;overflow:hidden;transform:rotate(-2deg);box-shadow:10px 12px #4a176a80,0 24px 54px #08050a61}.community-share:before{background:linear-gradient(90deg, var(--secondary), var(--primary));content:"";height:4px;position:absolute;top:0;left:0;right:0}.community-person{align-items:center;gap:11px;display:flex}.community-avatar{border:3px solid var(--secondary);object-fit:cover;border-radius:50%;flex:none;width:42px;height:42px;display:block}.community-person>span:last-child{flex-direction:column;min-width:0;display:flex}.community-person strong{font-size:1rem}.community-person small{color:var(--muted);font-size:.78rem}.community-lyric{background:#151218b8;border-radius:16px;flex-direction:column;gap:7px;margin-top:14px;padding:16px;display:flex}.community-lyric small{min-width:0;color:var(--muted);white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:6px;font-weight:700;display:flex;overflow:hidden}.community-lyric img{object-fit:cover;border-radius:3px;flex:none;width:23px;height:16px}.community-lyric>strong{white-space:nowrap;text-overflow:ellipsis;font-size:clamp(1.15rem,2.2vw,1.55rem);overflow:hidden}.community-lyric>span{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:.92rem;overflow:hidden}.community-actions{justify-content:flex-end;gap:10px;margin-top:13px;display:flex}.community-actions>span{color:var(--muted);background:#151218c2;border-radius:999px;align-items:center;gap:7px;padding:8px 12px;font-size:.82rem;font-weight:750;display:inline-flex}.community-actions svg{width:18px;height:18px}.community-actions .community-like{background:var(--secondary);color:#21130a}.community-like svg{fill:currentColor;stroke-width:2.5px}.community-copy{z-index:2;max-width:470px;position:relative}.community-copy h2{letter-spacing:-.045em;text-wrap:balance;margin:0;font-size:clamp(2.4rem,5vw,4.5rem);line-height:.98}.community-copy p{margin:22px 0 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