:root{--color-brand-primary: #006bff;--color-brand-primary-hover: #0056d4;--color-brand-primary-soft: #fafcff;--color-brand-danger: #f82a56;--color-brand-danger-hover: #d61f48;--color-highlight-bg: #1d4ed8;--color-highlight-text: #ffffff;--brand-grad-from: #2c6bef;--brand-grad-mid: #a57bd0;--brand-grad-to: #f17fa6;--brand-pink: #f080a8;--tint-blue: rgba(0, 107, 255, .07);--tint-blue-strong: rgba(0, 107, 255, .15);--tint-red: rgba(248, 42, 86, .07);--bg-app: #fffbfb;--bg-primary: #ffffff;--bg-secondary: #f2f3f5;--bg-info: #f0f6ff;--bg-info-alt: #eef4ff;--text-primary: #111827;--text-secondary: #4b5563;--text-tertiary: #9ca3af;--text-inverse: #ffffff;--border-default: #e5e7eb;--border-strong: #d1d5db;--border-info: #bfdbfe;--border-hover: #93c5fd;--tone-neutral-bg: #f4f4f5;--tone-neutral-border: #d4d4d8;--tone-neutral-text: #71717a;--tone-neutral-dot: #a1a1aa;--tone-info-bg: #f0f6ff;--tone-info-border: #bfdbfe;--tone-info-text: #1e40af;--tone-info-dot: #006bff;--tone-success-bg: 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15px;--fs-lg: 16px;--fs-xl: 18px;--fs-2xl: 22px;--fw-regular: 400;--fw-medium: 500;--fw-semibold: 600;--fw-bold: 700;--lh-tight: 1.2;--lh-snug: 1.4;--lh-normal: 1.65;--lh-relaxed: 1.9;--space-2: 4px;--space-3: 6px;--space-4: 8px;--space-6: 12px;--space-8: 16px;--space-10: 20px;--space-12: 24px;--r-sm: 5px;--r-md: 8px;--r-lg: 10px;--r-xl: 11px;--r-card: 13px;--r-2xl: 14px;--r-pill: 20px;--r-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 4px 4px 14px rgba(0, 107, 255, .1);--shadow-lg: 2px 0 12px rgba(0, 107, 255, .07);--shadow-panel: 4px 4px 32px rgba(0, 107, 255, .1), -4px 0 20px rgba(0, 107, 255, .06);--bw-thin: .5px;--bw-default: 1px;--bw-thick: 1.5px;--ease-standard: cubic-bezier(.2, .8, .2, 1);--ease-out: cubic-bezier(0, 0, .2, 1);--ease-ambient: cubic-bezier(.4, .05, .2, 1);--dur-fast: .12s;--dur-base: .18s;--dur-slow: .26s;--dur-ambient: .34s;--focus-ring: 0 0 0 3px var(--tint-blue);--focus-ring-strong: 0 0 0 2px var(--color-brand-primary), 0 0 0 4px var(--tint-blue);--z-sticky: 10;--z-drawer: 40;--z-overlay: 100;--z-modal: 110;--z-toast: 200;--z-tooltip: 300;--sidebar-w: 216px;--drawer-w: 62%;--header-h: 56px;--content-max: 1280px;--pad-page-y: 13px;--pad-page-x: 24px;--icon-sm: 14px;--icon-md: 16px;--icon-lg: 18px;--opacity-disabled: .4;--veil-hover: rgba(0, 107, 255, .04)}.en,.num,code,kbd{font-family:var(--font-en)}.h-page{font-size:var(--fs-2xl);font-weight:var(--fw-bold);line-height:var(--lh-tight);color:var(--text-primary)}.h-panel{font-size:var(--fs-xl);font-weight:var(--fw-semibold);line-height:var(--lh-snug);color:var(--text-primary)}.h-card{font-size:var(--fs-md);font-weight:var(--fw-semibold);line-height:var(--lh-snug);color:var(--text-primary)}.h-sect{font-size:var(--fs-lg);font-weight:var(--fw-semibold);line-height:var(--lh-snug);color:var(--text-primary)}.t-body{font-size:var(--fs-base);font-weight:var(--fw-regular);line-height:var(--lh-normal);color:var(--text-primary)}.t-meta{font-size:var(--fs-sm);font-weight:var(--fw-regular);line-height:var(--lh-snug);color:var(--text-tertiary)}.t-caption{font-size:var(--fs-xs);font-weight:var(--fw-medium);line-height:var(--lh-snug);color:var(--text-tertiary);letter-spacing:.02em}.t-preview{font-size:var(--fs-base);font-weight:var(--fw-regular);line-height:var(--lh-relaxed);color:var(--text-secondary)}mark,.highlight{background:var(--color-highlight-bg);color:var(--color-highlight-text);padding:0 2px;border-radius:2px;font-weight:var(--fw-medium)}*{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}*::-webkit-scrollbar{width:3px;height:3px}*::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}:root{--fs-display-1: clamp(32px, 6.67vw, 128px);--fs-display-2: max(48px, min(5vw, 82px));--fs-display-3: clamp(32px, 3.75vw, 48px);--fs-display-4: clamp(24px, 2.5vw, 32px);--fs-display-5: clamp(20px, 1.8vw, 24px);--fs-lead: clamp(16px, 1.25vw, 24px);--fs-lp-body: 16px;--lh-display: var(--lh-tight);--lh-lead: 1.7;--lp-content-max: 1200px;--lp-container-max: 1440px;--lp-section-y: clamp(64px, 8vw, 120px);--lp-page-x: clamp(24px, 4vw, 48px);--lp-ink: #1d3441;--lp-grad-from: #166bff;--lp-grad-to: #ffb299;--lp-shadow-cta: 0 4px 10px #bbcbd2}*{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #0066ff;--color-primary-dark: #0052cc;--color-primary-light: #3385ff;--color-accent: #00c9a7;--color-background: #fefbfb;--color-background-light: #f8fafc;--color-background-dark: #0a1628;--color-text: #1a2b3c;--color-text-light: #5a6b7c;--color-text-muted: #8a9bac;--color-border: #e2e8f0;--color-border-light: #f1f5f9;--max-width: 1200px;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 4rem;--spacing-xl: 6rem;--border-radius: 12px;--border-radius-sm: 8px;--border-radius-lg: 16px}html{scroll-behavior:smooth}body{font-family:Noto Sans JP,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica 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