@keyframes tickerScroll{0%{transform:translateX(0)}to{transform:translateX(-50%)}}@keyframes heroTitleIn{0%{opacity:0;transform:translateY(30px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes heroSubIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes cursorBlink{0%,to{opacity:1}50%{opacity:0}}@keyframes scrollBob{0%,to{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(5px)}}@keyframes dustFloat{0%,to{transform:translateY(0);opacity:.18}50%{transform:translateY(-16px);opacity:.5}}@keyframes eqLevel{0%{height:4px}50%{height:14px}to{height:6px}}:root{--color-bg:#EDE0CE;--color-bg-warm:#E2D0B8;--color-text:#3D2B1F;--color-text-light:#6B5344;--color-accent:#C67B4B;--color-accent-light:#D4A574;--color-accent-dark:#9A5A32;--color-accent-deep:#8A4A26;--color-sfc-red:#E53935;--color-green:#6B8E6A;--color-green-light:#8CA88B;--color-dark:#1E1510;--color-dark-warm:#2A1F18;--color-night:#241A12;--color-night-panel:#2E2117;--color-night-edge:#4A3423;--color-night-text:#CBB59D;--color-cream:#FFF8F0;--color-card:#FFF8F0;--color-border:#B8956F;--font-display:'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', sans-serif;--font-pixel:'Pixelify Sans', 'Courier New', monospace;--font-body:'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;--section-pad:clamp(64px, 11vh, 128px);--content-max:1200px;--content-wide:1400px;--gap-sm:8px;--gap-md:16px;--gap-lg:32px;--gap-xl:64px;--radius-sm:0;--radius-md:0;--radius-lg:0;--shadow-pixel:4px 4px 0 rgba(61, 43, 31, 0.22);--shadow-pixel-lg:6px 6px 0 rgba(61, 43, 31, 0.25);--shadow-pixel-sm:2px 2px 0 rgba(61, 43, 31, 0.18);--shadow-night:6px 6px 0 rgba(0, 0, 0, 0.45);--border-pixel:3px solid var(--color-accent-dark);--pattern-grid:linear-gradient(rgba(154, 90, 50, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(154, 90, 50, 0.06) 1px, transparent 1px);--pattern-grid-night:linear-gradient(rgba(255, 248, 240, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 248, 240, 0.045) 1px, transparent 1px)}*,::after,::before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%;scrollbar-color:var(--color-accent-dark) var(--color-bg)}body{font-family:var(--font-body);font-size:16px;line-height:1.7;color:var(--color-text);background-color:var(--color-bg);background-image:var(--pattern-grid);background-size:16px 16px;overflow-x:hidden}a,button{color:inherit}a{text-decoration:none}img,video{max-width:100%;display:block}button{border:0;background:0 0}button,select{font:inherit;cursor:pointer}::selection{background:var(--color-accent-light);color:var(--color-dark)}:focus-visible{outline:3px solid var(--color-accent);outline-offset:3px}::-webkit-scrollbar{width:12px;height:12px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-accent-dark);border:3px solid var(--color-bg)}::-webkit-scrollbar-thumb:hover{background:var(--color-accent)}.display-font,.display-font-sub{font-family:var(--font-display);font-weight:700}.display-font{font-size:clamp(36px,6vw,72px);line-height:1.2;letter-spacing:.02em;color:var(--color-dark);text-shadow:2px 2px 0 rgba(198,123,75,.2)}.display-font-sub{font-size:clamp(18px,2.5vw,26px);line-height:1.35;letter-spacing:.01em}.display-font-tag,.nav-desktop a::before{font-family:var(--font-pixel);font-size:12px}.display-font-tag{font-weight:600;line-height:1;letter-spacing:.12em;text-transform:uppercase;display:inline-block;padding:7px 12px;border:2px solid var(--color-accent-dark);color:var(--color-accent-dark);background:var(--color-cream);box-shadow:var(--shadow-pixel-sm)}.pixel-trim{height:12px;background-color:var(--trim-bg, var(--color-bg));background-image:repeating-linear-gradient(90deg,var(--trim-fg, var(--color-accent-dark))0 6px,transparent 6px 12px),repeating-linear-gradient(90deg,transparent 0 6px,var(--trim-fg, var(--color-accent-dark)) 6px 12px);background-size:12px 6px,12px 6px;background-position:0 0,0 6px;background-repeat:repeat-x,repeat-x}.pixel-ticker{overflow:hidden;background:var(--color-dark);border-top:3px solid var(--color-accent-dark);border-bottom:3px solid var(--color-accent-dark);padding:10px 0}.ticker-track{display:flex;width:max-content;animation:tickerScroll 28s linear infinite}.ticker-group{display:flex;align-items:center;flex-shrink:0;font-family:var(--font-pixel);font-size:13px;font-weight:600;letter-spacing:.18em;color:var(--color-accent-light);white-space:nowrap}.ticker-group>span{padding:0 22px}.ticker-group>i{width:7px;height:7px;background:var(--color-accent);flex-shrink:0}.top-bar{position:fixed;top:0;left:0;right:0;z-index:100;padding:12px 24px;padding-top:max(12px,env(safe-area-inset-top));padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right));transition:background .4s ease,border-color .4s ease,box-shadow .4s ease;background:0 0;border-bottom:1px solid transparent}.top-bar.is-transparent{background:0 0;border-color:transparent;box-shadow:none}.top-bar.is-transparent .logo-link,.top-bar.is-transparent .nav-desktop a.active,.top-bar.is-transparent .nav-desktop a:hover{color:var(--color-cream)}.top-bar.is-transparent .nav-desktop a{color:rgba(255,248,240,.78)}.top-bar.is-transparent .nav-desktop a::before{color:var(--color-accent-light)}.top-bar.is-transparent .nav-mobile-toggle span{background:var(--color-cream)}.top-bar.is-transparent .lang-switcher,.top-bar.is-transparent .sound-toggle{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.1);color:var(--color-cream)}.top-bar.is-solid{background:var(--color-bg);border-bottom:3px solid var(--color-accent-dark);box-shadow:0 3px 0 var(--color-accent-light)}.logo-link,.top-bar-inner{display:flex;align-items:center}.top-bar-inner{justify-content:space-between;max-width:var(--content-wide);margin:0 auto;gap:var(--gap-lg)}.logo-link{gap:9px;font-family:var(--font-pixel);font-size:16px;font-weight:700;letter-spacing:.04em;color:var(--color-sfc-red);text-shadow:1px 1px 0 rgba(0,0,0,.15)}.logo-cup,.logo-link{flex-shrink:0}.nav-desktop{display:flex;gap:var(--gap-lg)}.nav-desktop a{position:relative;font-family:var(--font-body);font-size:14px;letter-spacing:.04em;color:var(--color-text-light);padding:4px 0;transition:color .2s ease}.nav-desktop a::before{content:"▸";position:absolute;left:-.95em;top:50%;transform:translateY(-55%);opacity:0;transition:opacity .18s ease}.footer-links a:hover,.nav-desktop a.active,.nav-desktop a::before,.nav-desktop a:hover{color:var(--color-accent)}.nav-desktop a.active::before,.nav-desktop a:hover::before,.nav-mobile a:active::before{opacity:1}.nav-actions{display:flex;align-items:center;gap:var(--gap-md)}.lang-switcher,.sound-toggle{border:2px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-card);box-shadow:var(--shadow-pixel-sm)}.lang-switcher{font-family:var(--font-pixel);font-size:11px;letter-spacing:.04em;padding:8px 10px;min-height:40px;color:var(--color-text);cursor:pointer;appearance:none;-webkit-appearance:none}.sound-toggle{width:40px;height:40px;display:flex;align-items:center;justify-content:center;transition:border-color .2s ease,color .2s ease,transform .15s ease;flex-shrink:0}.sound-toggle:active{transform:translate(1px,1px);box-shadow:none}.sound-toggle:hover{border-color:var(--color-accent)}.sound-toggle.muted{color:var(--color-text-light);opacity:.55}.sound-toggle.muted .wave{display:none}.nav-mobile-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;gap:5px;padding:8px}.nav-mobile-toggle span{display:block;width:100%;height:3px;background:var(--color-text);transition:transform .3s ease,opacity .2s ease}.nav-mobile-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}.nav-mobile-toggle.open span:nth-child(2){opacity:0}.nav-mobile-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.nav-mobile{display:none;position:fixed;inset:0;z-index:99;background:rgba(30,21,16,.97);background-image:var(--pattern-grid-night);background-size:16px 16px;flex-direction:column;align-items:center;justify-content:center;gap:var(--gap-xl);transform:translateY(-100%);transition:transform .4s cubic-bezier(.4,0,.2,1)}.nav-mobile.open{transform:translateY(0)}.nav-mobile a{position:relative;font-family:var(--font-display);font-weight:700;font-size:28px;letter-spacing:.08em;color:var(--color-cream);padding:8px 20px}.nav-mobile a::before{content:"▸";position:absolute;left:-8px;top:50%;transform:translateY(-55%);font-family:var(--font-pixel);font-size:18px;color:var(--color-accent-light);opacity:0;transition:opacity .18s ease}.nav-mobile-lang{display:flex;gap:var(--gap-md);margin-top:var(--gap-md);flex-wrap:wrap;justify-content:center}.nav-mobile-lang button{font-family:var(--font-body);font-size:13px;letter-spacing:.04em;padding:12px 18px;min-height:44px;border:2px solid var(--color-night-edge);border-radius:var(--radius-sm);background:var(--color-night-panel);color:var(--color-night-text);transition:border-color .2s,background .2s,color .2s}.nav-mobile-lang button.active{border-color:var(--color-accent-light);background:var(--color-night-edge);color:var(--color-cream)}section{position:relative;padding:var(--section-pad) 24px;padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right))}.section-inner{max-width:var(--content-max);margin:0 auto}.exp-step-text h3,.section-tag{margin-bottom:var(--gap-md)}.section-title{margin-bottom:var(--gap-lg);color:var(--color-dark)}.section-title-center{text-align:center}.section-subtitle{text-align:center;margin-bottom:var(--gap-lg)}.section-body{font-size:clamp(16px,1.8vw,18px);line-height:1.8;color:var(--color-text-light);max-width:600px}.section-body+.section-body{margin-top:var(--gap-md)}.section-body-center{max-width:760px;margin-left:auto;margin-right:auto;text-align:center}.section-download::before,.section-experience::before,.section-footer::before,.section-music::before{content:"";position:absolute;top:0;left:0;right:0;height:12px;background-color:var(--trim-bg, transparent);background-image:repeating-linear-gradient(90deg,var(--trim-fg, var(--color-accent-dark))0 6px,transparent 6px 12px),repeating-linear-gradient(90deg,transparent 0 6px,var(--trim-fg, var(--color-accent-dark)) 6px 12px);background-size:12px 6px,12px 6px;background-position:0 0,0 6px;background-repeat:repeat-x,repeat-x}.section-experience::before{--trim-fg:var(--color-accent-dark)}.section-music::before{--trim-fg:var(--color-accent-light)}.section-download::before{--trim-fg:var(--color-accent-dark)}.section-footer::before{--trim-fg:var(--color-accent-light)}.visual-img{width:100%;aspect-ratio:3/2;object-fit:cover;object-position:center;border-radius:0;display:block;border:var(--border-pixel);box-shadow:var(--shadow-pixel);image-rendering:crisp-edges}.section-hero{position:relative;min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:96px 24px 72px;overflow:hidden;background:var(--color-dark)}.hero-bg{position:absolute;inset:0;z-index:0;background-image:url(../assets/images/hero-bg.jpg);background-image:image-set(url(../assets/images/hero-bg.webp)type("image/webp"),url(../assets/images/hero-bg.jpg)type("image/jpeg"));background-size:cover;background-position:center 62%;background-repeat:no-repeat}@media (max-width:767px){.hero-bg{background-image:url(../assets/images/hero-bg-mobile.jpg);background-image:image-set(url(../assets/images/hero-bg-mobile.webp)type("image/webp"),url(../assets/images/hero-bg-mobile.jpg)type("image/jpeg"));background-position:center 60%}}.hero-bg video{width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(30,21,16,.42)0,rgba(30,21,16,.18) 45%,rgba(30,21,16,.62) 100%)}.hero-content{position:relative;z-index:2;text-align:center;padding:0;display:flex;flex-direction:column;align-items:center}.hero-sign-wrap{position:relative;padding-top:34px;animation:heroTitleIn 1s cubic-bezier(.22,.61,.36,1) both}.hero-sign-wrap::after,.hero-sign-wrap::before{content:"";position:absolute;top:0;width:5px;height:34px;background:repeating-linear-gradient(180deg,var(--color-border)0 5px,transparent 5px 11px)}.hero-sign-wrap::before{left:21%}.hero-sign-wrap::after{right:21%}.hero-sign{background:linear-gradient(180deg,#3a2a1c 0,#2b1e13 100%);border:3px solid var(--color-dark);box-shadow:inset 0 0 0 3px var(--color-border),8px 8px 0 rgba(0,0,0,.38);padding:clamp(20px,3.6vw,34px) clamp(30px,6vw,68px)}.hero-sign-latin{display:block;font-family:var(--font-pixel);font-size:clamp(14px,2vw,20px);font-weight:600;letter-spacing:.34em;text-transform:uppercase;color:var(--color-accent-light);margin-bottom:10px;text-shadow:2px 2px 0 rgba(0,0,0,.5)}.hero-title{font-family:var(--font-display);font-size:clamp(38px,7vw,80px);font-weight:700;line-height:1.15;letter-spacing:.04em;color:var(--color-cream);text-shadow:3px 3px 0 rgba(0,0,0,.55),6px 6px 0 rgba(198,123,75,.3)}.hero-subtitle{font-family:var(--font-pixel);font-size:clamp(13px,2.2vw,18px);font-weight:600;color:var(--color-accent-light);letter-spacing:.04em;margin-top:var(--gap-lg);text-shadow:2px 2px 0 rgba(0,0,0,.45);animation:heroSubIn 1s cubic-bezier(.22,.61,.36,1) .3s both}.hero-btn,.hero-cta{justify-content:center}.hero-cta{margin-top:var(--gap-lg);display:flex;gap:var(--gap-md);flex-wrap:wrap;animation:heroSubIn 1s cubic-bezier(.22,.61,.36,1) .5s both}.hero-btn{display:inline-flex;align-items:center;padding:15px 30px;min-height:52px;font-family:var(--font-display);font-size:16px;font-weight:700;letter-spacing:.04em;border:3px solid var(--color-dark);transition:transform .15s ease,box-shadow .15s ease,background .2s}.hero-btn::before{content:"▶";font-family:var(--font-pixel);font-size:13px;margin-right:10px}.hero-btn-primary,.hero-btn-secondary{color:var(--color-cream);box-shadow:5px 5px 0 rgba(0,0,0,.4)}.hero-btn-primary{background:var(--color-accent-dark)}.hero-btn-secondary{background:rgba(30,21,16,.6);border-color:var(--color-cream)}.hero-btn:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 rgba(0,0,0,.45)}.hero-btn-primary:hover{background:var(--color-accent-deep)}.hero-btn-secondary:hover{background:rgba(30,21,16,.85)}@media (hover:hover){.hero-btn:hover::before{animation:cursorBlink 1s steps(2,jump-none) infinite}}.hero-beta-note,.hero-scroll{font-family:var(--font-pixel);text-shadow:2px 2px 0 rgba(0,0,0,.4)}.hero-beta-note{margin-top:var(--gap-md);font-size:12px;letter-spacing:.04em;color:rgba(255,248,240,.85);animation:heroSubIn 1s cubic-bezier(.22,.61,.36,1) .65s both}.hero-scroll{position:absolute;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:11px;font-weight:600;letter-spacing:.24em;color:rgba(255,248,240,.75);animation:scrollBob 1.6s steps(2,jump-none) infinite}.hero-scroll .chev{font-size:13px}.hero-dust{position:absolute;inset:0;z-index:1;pointer-events:none}.hero-dust i{position:absolute;width:3px;height:3px;background:var(--color-cream);opacity:.4;animation:dustFloat 9s ease-in-out infinite}.hero-dust i:nth-child(1){left:12%;top:30%;animation-duration:8s}.hero-dust i:nth-child(2){left:24%;top:62%;animation-duration:11s;animation-delay:1.2s;background:var(--color-accent-light)}.hero-dust i:nth-child(3){left:55%;top:22%;animation-duration:9.5s;animation-delay:.6s}.hero-dust i:nth-child(4){left:76%;top:48%;animation-duration:12s;animation-delay:2s;background:var(--color-accent-light)}.hero-dust i:nth-child(5){left:88%;top:70%;animation-duration:10s;animation-delay:.3s}.section-concept{background:var(--color-bg)}.concept-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap-xl);align-items:center}.concept-visual{position:relative;display:flex;align-items:center;justify-content:center}.concept-visual::after,.concept-visual::before{content:"";position:absolute;width:26px;height:26px;border:4px solid var(--color-accent);z-index:1}.concept-visual::before{top:-13px;left:-13px;border-right:none;border-bottom:none}.concept-visual::after{bottom:-13px;right:-13px;border-left:none;border-top:none}.concept-visual .visual-img{max-height:clamp(300px,50vw,500px);width:auto;max-width:100%;aspect-ratio:3/2}.section-experience{background-color:var(--color-bg-warm);background-image:var(--pattern-grid);background-size:16px 16px;padding-top:calc(var(--section-pad) + 12px)}.experience-steps{display:flex;flex-direction:column;gap:var(--gap-xl);margin-top:var(--gap-xl)}.exp-step{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap-xl);align-items:center}.exp-step-reverse .exp-step-visual{order:2}.exp-step-reverse .exp-step-text{order:1}.exp-step-visual{display:flex;align-items:center;justify-content:center}.exp-step-visual .visual-img{aspect-ratio:auto;object-fit:contain;height:auto;transition:transform .15s ease,box-shadow .15s ease}.exp-step-visual .visual-img:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow-pixel-lg)}.exp-step-text{padding:var(--gap-md)}.exp-step-num{display:block;margin-bottom:var(--gap-sm);font-family:var(--font-pixel);font-size:clamp(30px,4vw,42px);font-weight:700;line-height:1;color:var(--color-accent);text-shadow:3px 3px 0 rgba(61,43,31,.18)}.exp-step-text p{font-size:clamp(15px,1.6vw,17px);line-height:1.8;color:var(--color-text-light);max-width:460px}.section-music{background:var(--color-night);background-image:var(--pattern-grid-night);background-size:16px 16px;color:var(--color-cream);padding-top:calc(var(--section-pad) + 12px)}.section-music .section-title{color:var(--color-cream);text-shadow:3px 3px 0 rgba(198,123,75,.35)}.music-feature-card p,.section-music .section-body{color:var(--color-night-text)}.section-music .display-font-tag{background:0 0;color:var(--color-accent-light);border-color:var(--color-accent-light);box-shadow:2px 2px 0 rgba(0,0,0,.35)}.music-features{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap-lg);margin-top:var(--gap-xl);margin-bottom:var(--gap-xl)}.music-feature-card{background:var(--color-night-panel);border:3px solid var(--color-border);padding:var(--gap-lg);text-align:center;box-shadow:var(--shadow-night);transition:transform .15s ease,box-shadow .15s ease,border-color .2s}.music-feature-card:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(0,0,0,.5);border-color:var(--color-accent-light)}.music-feature-card h3{margin-bottom:var(--gap-md);color:var(--color-accent-light)}.music-feature-card h3::after{content:"";display:block;width:36px;margin:12px auto 0;border-bottom:2px dashed var(--color-accent)}.music-feature-card p{font-size:14px;line-height:1.7}.music-demos{margin-top:var(--gap-xl)}.demo-board{text-align:center;margin-bottom:var(--gap-lg)}.demo-board-latin{display:block;font-family:var(--font-pixel);font-size:13px;font-weight:600;letter-spacing:.34em;text-transform:uppercase;color:var(--color-accent);margin-bottom:8px}.music-demos .section-subtitle{color:var(--color-cream)}.jukebox{display:flex;flex-direction:column;gap:12px;max-width:780px;margin:0 auto;padding:16px;background:var(--color-dark);border:3px solid var(--color-accent-dark);box-shadow:var(--shadow-night)}.jukebox-track{display:grid;grid-template-columns:64px 1fr auto 48px;align-items:center;gap:14px;padding:10px 12px;background:var(--color-dark-warm);border:3px solid var(--color-night-edge);cursor:pointer;text-align:left;transition:border-color .2s,background .2s,transform .15s 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