:root{--dark-bg:#0e1424;--dark-bg-alt:#131b2e;--dark-surface:#1a2238;--dark-surface-hover:#202944;--dark-border:#2a3350;--dark-border-bright:#384368;--navy-950:#070b17;--navy-900:#0b1226;--navy-800:#14213b;--navy-700:#1f2d54;--text-primary:#f0f2f8;--text-secondary:#9ca3b8;--text-tertiary:#9ca3b8;--text-muted:#c8ccdc;--text-on-accent:#1a0f00;--brand-navy:#0b1226;--brand-navy-deep:#060916;--ember-300:#fdba74;--ember-400:#fb923c;--ember-500:#f97316;--ember-600:#ea580c;--ember-700:#c2410c;--magma-500:#dc2626;--success-500:#34d399;--danger-500:#f87171;--warning-500:#fbbf24;--info-500:#60a5fa;--glass-bg:hsla(0,0%,100%,.05);--glass-bg-strong:hsla(0,0%,100%,.07);--glass-bg-hover:hsla(0,0%,100%,.09);--glass-border:hsla(0,0%,100%,.1);--glass-border-strong:hsla(0,0%,100%,.16);--glass-border-hover:rgba(249,115,22,.3);--glass-blur:12px;--glass-blur-lg:16px;--radius-sm:0.5rem;--radius-md:0.75rem;--radius-lg:1rem;--radius-xl:1.5rem;--radius-pill:9999px;--shadow-card:0 10px 30px -12px rgba(0,0,0,.55);--shadow-card-lg:0 20px 50px -12px rgba(0,0,0,.65);--shadow-cta-ember:0 6px 18px -6px rgba(249,115,22,.55);--shadow-cta-ember-hv:0 8px 24px -6px rgba(251,146,60,.65);--shadow-glow-ember:0 0 28px -6px rgba(249,115,22,.4);--shadow-glow-magma:0 0 32px -8px rgba(220,38,38,.3);--shadow-card-hover:0 0 22px -6px rgba(249,115,22,.18);--gradient-app-bg:linear-gradient(135deg,#070b17,#14213b 50%,#070b17);--gradient-cta:linear-gradient(90deg,#f97316,#fb923c);--gradient-flame:linear-gradient(180deg,#fdba74,#f97316 50%,#dc2626);--gradient-ember-magma:linear-gradient(135deg,#f97316,#dc2626);--gradient-divider:linear-gradient(to right,transparent,var(--dark-border-bright),transparent);--font-sans:"Inter","Noto Sans JP",system-ui,sans-serif;--font-jp:"Noto Sans JP","Inter",system-ui,sans-serif;--font-display:"Rajdhani","Inter",system-ui,sans-serif;--font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;--fs-10:0.625rem;--fs-xs:0.75rem;--fs-sm:0.875rem;--fs-base:1rem;--fs-md:1.125rem;--fs-lg:1.25rem;--fs-xl:1.5rem;--fs-2xl:1.875rem;--fs-3xl:2.25rem;--fs-4xl:3rem;--fs-5xl:3.75rem;--fs-7xl:4.5rem;--fw-regular:400;--fw-medium:500;--fw-semibold:600;--fw-bold:700;--fw-black:900;--lh-tight:1.15;--lh-snug:1.35;--lh-normal:1.5;--lh-relaxed:1.7;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-24:6rem;--ease-emph:cubic-bezier(0,0,0.2,1);--dur-fast:0.2s;--dur-med:0.3s;--dur-slow:0.6s}html{font-size:18px;background:var(--gradient-app-bg) no-repeat;background-color:var(--navy-950);background-attachment:fixed;font-family:var(--font-sans);color:var(--text-primary);-webkit-font-smoothing:antialiased}body{background:transparent;margin:0}.h1{font-size:var(--fs-5xl);font-weight:var(--fw-black);letter-spacing:-.02em}.h1,.h2{line-height:var(--lh-tight);color:var(--text-primary);font-family:var(--font-jp)}.h2{font-size:var(--fs-3xl)}.h2,.h3{font-weight:var(--fw-bold)}.h3{font-size:var(--fs-xl);line-height:var(--lh-snug)}.h3,.h4{color:var(--text-primary)}.h4{font-size:var(--fs-md);font-weight:var(--fw-semibold)}.display-italic{font-family:var(--font-display);font-weight:700;font-style:italic;letter-spacing:-.01em;text-transform:lowercase}.body{font-size:var(--fs-base);line-height:var(--lh-relaxed)}.body,.body-sm{color:var(--text-secondary)}.body-sm{font-size:var(--fs-sm);line-height:var(--lh-normal)}.caption{color:var(--text-tertiary)}.caption,.label-upper{font-size:var(--fs-xs)}.label-upper{font-weight:var(--fw-semibold);letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary)}.code{font-family:var(--font-mono);font-size:var(--fs-sm)}.tnum{font-variant-numeric:tabular-nums}.text-ember{color:var(--ember-500)}.text-ember-light{color:var(--ember-300)}.text-gradient-flame{background:var(--gradient-cta);-webkit-background-clip:text;background-clip:text;color:transparent}.text-gradient-magma{background:var(--gradient-ember-magma);-webkit-background-clip:text;background-clip:text;color:transparent}.glass-card{background-color:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur))}.glass-card-lg{background-color:var(--glass-bg-strong);border:1px solid var(--glass-border-strong);border-radius:var(--radius-xl);box-shadow:var(--shadow-card-lg);backdrop-filter:blur(var(--glass-blur-lg));-webkit-backdrop-filter:blur(var(--glass-blur-lg))}.glass-card-hover{transition:transform var(--dur-med) ease,border-color var(--dur-med) ease,background-color var(--dur-med) ease,box-shadow var(--dur-med) ease}.glass-card-hover:hover{background-color:var(--glass-bg-hover);border-color:var(--glass-border-hover);box-shadow:var(--shadow-card),var(--shadow-card-hover);transform:translateY(-2px)}.btn-gradient{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:var(--fw-bold);font-family:var(--font-display);font-style:italic;letter-spacing:.01em;border-radius:var(--radius-pill);padding:.75rem 1.6rem;background:var(--gradient-cta);color:#fff;border:none;box-shadow:var(--shadow-cta-ember);cursor:pointer;transition:all var(--dur-fast) ease}.btn-gradient:hover{filter:brightness(1.08);box-shadow:var(--shadow-cta-ember-hv);transform:translateY(-1px)}.btn-gradient:active{transform:scale(.96);filter:brightness(.9)}.btn-gradient:disabled{filter:grayscale(.6) brightness(.85);cursor:not-allowed;transform:none}.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:var(--fw-semibold);font-family:inherit;border-radius:var(--radius-pill);padding:.75rem 1.5rem;background-color:hsla(0,0%,100%,.04);border:1px solid hsla(0,0%,100%,.14);color:var(--text-primary);cursor:pointer;transition:all var(--dur-fast) ease}.btn-ghost:hover{background-color:hsla(0,0%,100%,.08);border-color:rgba(249,115,22,.4);color:var(--ember-300)}.btn-ghost:active{transform:scale(.98)}.btn-danger{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:var(--fw-semibold);border-radius:var(--radius-pill);padding:.75rem 1.5rem;background-color:rgba(220,38,38,.12);border:1px solid rgba(220,38,38,.4);color:#fca5a5;cursor:pointer;transition:all var(--dur-fast) ease}.btn-danger:hover{background-color:rgba(220,38,38,.22)}.divider-gradient{height:1px;background:var(--gradient-divider)}.progress-bar-flame{background:var(--gradient-cta)}.flame-stripes{display:inline-flex;flex-direction:column;gap:5px}.flame-stripes>i{display:block;height:4px;background:var(--ember-500);border-radius:2px}.flame-stripes>i:first-child{width:36px}.flame-stripes>i:nth-child(2){width:28px;opacity:.75}.flame-stripes>i:nth-child(3){width:20px;opacity:.55}