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Code", "Courier New", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--content-width: 700px;--media-width: 980px;--caption-pad: .75rem;--media-max-height: min(560px, 65vh);--max-width: var(--media-width);--ease-out-quart: cubic-bezier(.25, 1, .5, 1);--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--ease-quiet: cubic-bezier(.34, 0, .18, 1);--duration-fast: .16s;--duration-quiet: .28s;--duration-medium: .36s}html.dark{color-scheme:dark;--avatar-blue: oklch(68% .16 235);--avatar-blue-bright: oklch(75% .13 225);--avatar-peach: oklch(72% .07 50);--paper: oklch(18.5% .012 252);--ink: oklch(95% .007 88);--bg: var(--paper);--fg: var(--ink);--fg-muted: oklch(77% .012 88);--fg-subtle: oklch(64% .01 88);--accent: var(--avatar-blue);--accent-soft: oklch(27% .065 245);--support: oklch(72% .08 54);--support-soft: oklch(27% .035 48);--support-border: oklch(39% .05 48);--border: oklch(29% .012 250);--code-bg: oklch(24.5% .012 250);--divider-soft: color-mix(in oklab, var(--border) 82%, transparent);--divider-warm: color-mix(in oklab, var(--support-border) 52%, transparent);--control-paper: color-mix(in oklab, var(--support-soft) 44%, var(--bg));--control-ink: color-mix(in oklab, var(--support) 48%, var(--fg-muted))}*,*:before,*:after{box-sizing:border-box}html{font-size:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body{background-color:var(--bg)}:focus:not(:focus-visible){outline:none}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:1.75;background-color:var(--bg);color:var(--fg);margin:0;transition:background-color var(--duration-fast) ease,color var(--duration-fast) ease}body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.22'/%3E%3C/svg%3E");background-size:300px 300px;mix-blend-mode:overlay;opacity:.28}html.dark body:before{opacity:.12}.site-wrap{width:min(100%,var(--media-width));margin:0 auto;padding:0 1.25rem;position:relative}h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);font-weight:600;letter-spacing:0;line-height:1.25;color:var(--fg);margin-top:2rem;margin-bottom:1rem}h1{font-size:var(--text-3xl);font-weight:700}h2{font-size:var(--text-2xl)}h3{font-size:var(--text-xl)}h4,h5,h6{font-size:var(--text-lg)}p{margin-top:0;margin-bottom:1rem}a{color:inherit;text-decoration:none}.post-list{list-style:none;padding:0;margin:0}.post-row{border-top:1px solid var(--divider-soft)}.post-row:last-child{border-bottom:1px solid var(--divider-soft)}.post-link{min-height:2.75rem;display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding:.8rem 0;text-decoration:none;position:relative}.post-link:after{content:"";position:absolute;left:0;bottom:.35rem;width:min(18rem,72%);height:6px;background:linear-gradient(90deg,color-mix(in oklab,var(--avatar-blue) 76%,transparent),color-mix(in oklab,var(--avatar-blue-bright) 58%,transparent),color-mix(in oklab,var(--avatar-blue) 26%,transparent));opacity:.78;transform:rotate(-.8deg) translateY(1px);transform-origin:left;clip-path:inset(0 100% 0 0);transition:clip-path var(--duration-medium) var(--ease-quiet);pointer-events:none;-webkit-mask-image:var(--scribble-underline-mask);mask-image:var(--scribble-underline-mask);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-size:100% 100%;mask-size:100% 100%}.post-link:hover:after,.post-link:focus-visible:after{clip-path:inset(0 0 0 0)}.post-title{min-width:0;color:var(--fg);font-size:var(--text-base);font-weight:500;letter-spacing:0;line-height:1.5;text-wrap:pretty;transition:color var(--duration-fast) ease}.post-date{color:var(--fg-muted);flex-shrink:0;font-family:var(--font-mono);font-size:var(--text-xs);font-variant-numeric:tabular-nums;white-space:nowrap;transition:color var(--duration-fast) ease,transform var(--duration-fast) ease}.post-link:hover .post-title,.post-link:focus-visible .post-title{color:var(--accent)}.post-link:hover .post-date,.post-link:focus-visible .post-date{color:color-mix(in srgb,var(--accent) 72%,var(--fg-muted));transform:translate(-1px)}.post-row--featured{opacity:0;animation:post-list-settle .4s var(--ease-quiet) both;animation-delay:calc(70ms + (var(--item-index) * 36ms))}.post-row--featured .post-title{font-size:var(--text-lg);font-weight:520}.post-row--featured .post-link{padding:.9rem 0}.post-list--archive .post-title{font-size:var(--text-sm)}.archive-year{position:relative;isolation:isolate;display:inline-flex;align-items:center;width:fit-content;margin:0;padding:.22rem .6rem;border:none;border-radius:47% 53% 51% 49%/54% 46% 52% 48%;background:transparent;color:var(--control-ink);font-size:var(--text-xs);font-weight:600;letter-spacing:.08em;text-decoration:none;transition:color .15s ease,transform var(--duration-fast) var(--ease-quiet)}.archive-year:before,.archive-year:after{content:"";position:absolute;pointer-events:none;z-index:-1}.archive-year:before{inset:.04rem -.08rem -.03rem -.05rem;background:linear-gradient(96deg,color-mix(in oklab,var(--control-paper) 92%,transparent),color-mix(in oklab,var(--avatar-peach) 42%,var(--control-paper)));transform:rotate(-.8deg);-webkit-mask-image:var(--scribble-pill-fill-mask);mask-image:var(--scribble-pill-fill-mask);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-size:100% 100%;mask-size:100% 100%}.archive-year:after{inset:-.08rem -.16rem -.07rem -.13rem;background:color-mix(in oklab,var(--divider-warm) 82%,var(--divider-soft));transform:rotate(.9deg);opacity:.78;-webkit-mask-image:var(--scribble-pill-outline-mask);mask-image:var(--scribble-pill-outline-mask);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-size:100% 100%;mask-size:100% 100%}.archive-year:hover,.archive-year:focus-visible{color:color-mix(in oklab,var(--support) 80%,var(--fg));transform:translateY(-1px) rotate(-.3deg)}.archive-year:hover:before,.archive-year:focus-visible:before{background:linear-gradient(96deg,color-mix(in oklab,var(--control-paper) 100%,transparent),color-mix(in oklab,var(--avatar-peach) 54%,var(--control-paper)))}.archive-year:hover:after,.archive-year:focus-visible:after{background:color-mix(in oklab,var(--divider-warm) 96%,var(--divider-soft));opacity:.92}@keyframes post-list-settle{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}@media(max-width:640px){.post-link{flex-direction:column;align-items:flex-start;gap:.18rem;padding:.75rem 0}.post-row--featured .post-title{font-size:var(--text-base)}}@media(prefers-reduced-motion:reduce){.post-row--featured{animation:none;opacity:1}.post-date,.post-link:after,.archive-year{transition:none}.archive-year:hover,.archive-year:focus-visible{transform:none}}img{max-width:100%;height:auto}.prose{max-width:var(--content-width);margin:0 auto;font-size:var(--text-base);line-height:1.85;overflow-wrap:anywhere;hanging-punctuation:allow-end;text-align:justify;text-spacing-trim:trim-start}.prose p{margin-bottom:1.85rem}.prose a{color:var(--accent);text-decoration:none;position:relative}.prose a:not(:has(>img)):before{content:"";position:absolute;inset-inline:-.05em;bottom:-.08em;height:.32em;background:currentColor;opacity:.42;pointer-events:none;transform:rotate(-.7deg) translateY(.02em);transform-origin:left center;clip-path:inset(0 100% 0 0);transition:clip-path var(--duration-quiet) var(--ease-quiet);-webkit-mask-image:var(--scribble-underline-mask);mask-image:var(--scribble-underline-mask);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-size:100% 100%;mask-size:100% 100%}.prose a:hover:before,.prose a:focus-visible:before{clip-path:inset(0 0 0 0)}.prose strong{font-weight:600}.prose em{font-style:italic}.prose blockquote{position:relative;margin:2rem 0;padding:1rem 1.45rem 1rem 1.8rem;color:color-mix(in oklab,var(--fg-muted) 86%,var(--support));background:linear-gradient(90deg,color-mix(in oklab,var(--avatar-peach) 34%,transparent),color-mix(in oklab,var(--support-soft) 34%,transparent));border:1px solid color-mix(in oklab,var(--support-border) 44%,transparent);border-radius:6px}.prose blockquote:before{content:"";position:absolute;top:.75rem;bottom:.75rem;left:.6rem;width:5px;background:linear-gradient(180deg,color-mix(in oklab,var(--avatar-blue) 54%,transparent),color-mix(in oklab,var(--support) 44%,transparent));opacity:.78;transform:rotate(-1.2deg);-webkit-mask-image:var(--scribble-quote-mask);mask-image:var(--scribble-quote-mask);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-size:100% 100%;mask-size:100% 100%;pointer-events:none}.prose blockquote:after{content:"“";position:absolute;top:.2rem;left:.95rem;font-family:var(--font-serif);font-size:1.75rem;line-height:1;color:color-mix(in oklab,var(--support) 50%,transparent);pointer-events:none}.prose blockquote>:last-child{margin-bottom:0}.prose h2{font-size:var(--text-2xl);margin-top:3.5rem;margin-bottom:1.25rem;color:color-mix(in oklab,var(--accent) 72%,var(--fg));overflow-wrap:anywhere}.prose h3{font-size:var(--text-xl);margin-top:2.5rem;margin-bottom:1rem;color:color-mix(in oklab,var(--support) 65%,var(--fg));overflow-wrap:anywhere}.prose h4{font-size:var(--text-lg);margin-top:2rem;margin-bottom:.75rem}.prose img,.prose picture{display:block;max-width:100%;height:auto}.prose img{border-radius:4px}.prose picture img{width:100%}.prose>img,.prose>picture{margin:2rem auto}.media-figure{position:relative;max-width:min(var(--content-width),calc(100vw - 2.5rem));min-width:min(160px,100%);margin:2.5rem auto 2.75rem}.media-figure:not(.livephoto){width:fit-content}.media-figure.livephoto{width:min(100%,var(--content-width));margin:2.5rem auto 2.75rem}.media-figure img,.media-figure picture,.media-figure video{min-width:0;max-width:100%}.media-figure picture{display:block}.media-figure img{max-height:var(--media-max-height);width:auto;height:auto;min-width:80px;margin:0 auto;display:block;background:var(--code-bg);opacity:1;transition:opacity var(--duration-medium) var(--ease-out-quart)}.media-figure img[data-astro-image]{opacity:.65}.media-figure img[data-astro-image].is-loaded{opacity:1}.media-figure figcaption{position:absolute;top:var(--caption-pad);left:var(--caption-pad);max-width:calc(100% - var(--caption-pad) * 2);padding:.35rem .65rem;color:var(--bg);font-family:var(--font-sans);font-size:var(--text-xs);line-height:1.45;border-radius:6px;overflow-wrap:anywhere;z-index:1;background:color-mix(in oklab,var(--fg) 72%,transparent);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);border:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background-color .2s ease}.media-figure figcaption:hover{background:color-mix(in oklab,var(--fg) 85%,transparent)}.media-figure.livephoto figcaption{top:auto;bottom:var(--caption-pad);z-index:2;pointer-events:none}.media-figure.livephoto{overflow:visible;background:transparent}.media-figure.livephoto.media-figure--portrait{width:min(24.5rem,calc(100vw - 2.5rem))}.livephoto-frame{position:relative;min-width:0;width:100%;overflow:hidden;border-radius:4px;background:var(--code-bg)}.livephoto-frame picture,.livephoto-frame picture img,.livephoto-frame .livephoto-video{display:block;width:100%;height:100%;max-height:none;object-fit:cover}.livephoto-frame picture img{min-width:0;margin:0;background:transparent}.media-figure.livephoto .livephoto-video{max-width:100%}.prose ul,.prose ol{padding-left:1.5rem;margin-bottom:1.5rem}.prose li{margin-bottom:.375rem}.prose li>ul,.prose li>ol{margin-top:.375rem;margin-bottom:0}.prose hr{border:none;border-top:1px solid var(--border);margin:3rem 0}.prose pre{background:var(--code-bg);border:1px solid var(--border);border-radius:6px;padding:1rem;overflow-x:auto;max-width:100%;margin-bottom:1.5rem;font-family:var(--font-mono);font-size:var(--text-sm);line-height:1.6}.prose code{font-family:var(--font-mono);font-size:.875em;background:var(--code-bg);border:1px solid var(--border);padding:.125em .375em;border-radius:3px}.prose pre code{background:none;border:none;padding:0;font-size:inherit;max-width:100%}.prose table{width:100%;max-width:100%;border-collapse:collapse;margin-bottom:1.5rem;font-size:var(--text-sm);display:block;overflow-x:auto}.prose th{border-bottom:1px solid var(--border);padding:.5rem .75rem;text-align:left;font-weight:600}.prose td{border-bottom:1px solid var(--border);padding:.5rem .75rem}#reading-progress{position:fixed;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,var(--avatar-blue),var(--avatar-blue-bright));transform:scaleX(0);transform-origin:left;z-index:100;will-change:transform}.code-wrapper{position:relative}.copy-btn{position:absolute;top:.5rem;right:.5rem;min-width:2.75rem;min-height:2.75rem;padding:.25rem;color:var(--control-ink);background:var(--control-paper);border:1px solid var(--divider-warm);border-radius:999px;cursor:pointer;opacity:0;display:flex;align-items:center;justify-content:center;line-height:1;transform:translateY(-2px);transition:opacity var(--duration-fast) ease,color var(--duration-fast) ease,background-color var(--duration-fast) ease,transform var(--duration-fast) var(--ease-quiet)}.code-wrapper:hover .copy-btn{opacity:1;transform:translateY(0)}.copy-btn:hover{color:color-mix(in oklab,var(--avatar-blue) 78%,var(--fg));border-color:color-mix(in oklab,var(--avatar-blue) 34%,var(--divider-warm));background:color-mix(in oklab,var(--control-paper) 88%,var(--accent-soft))}.copy-btn:after{content:attr(data-copied-label);position:absolute;right:calc(100% + .45rem);top:50%;transform:translateY(-50%) translate(4px);opacity:0;color:var(--accent);font-size:var(--text-xs);font-family:var(--font-mono);white-space:nowrap;pointer-events:none;transition:opacity var(--duration-fast) ease,transform var(--duration-fast) ease}.copy-btn.copied{color:var(--accent);border-color:color-mix(in oklab,var(--avatar-blue) 34%,var(--divider-warm));opacity:1;transform:translateY(0);animation:copy-ack var(--duration-quiet) var(--ease-quiet) both}.copy-btn.copied:after{opacity:1;transform:translateY(-50%) translate(0)}.prose a[href^=http]:not([href*="blog.rosuh.me"]):not(:has(>img)):after{content:"↗";font-size:.65em;margin-left:.15em;opacity:.55;vertical-align:super;line-height:1;white-space:nowrap}.katex-display{border:1px solid var(--border);overflow:auto hidden;padding:1rem;border-radius:4px;margin-bottom:1.5rem}.toc-aside{position:fixed;top:6rem;left:calc(50% + var(--content-width) / 2 + 2rem);width:180px;max-height:calc(100vh - 8rem);overflow-y:auto;padding:.5rem 0;display:none;font-size:var(--text-xs);line-height:1.5;z-index:50}@media(min-width:1180px){.toc-aside{display:block}}.toc-title{font-weight:600;font-size:var(--text-xs);color:color-mix(in oklab,var(--support) 56%,var(--fg-muted));margin-bottom:.5rem;padding:0 .5rem;text-transform:uppercase;letter-spacing:.05em}.toc-list{list-style:none;padding:0;margin:0}.toc-item{margin:0}.toc-item--h3{padding-left:.75rem}.toc-link{display:block;padding:.25rem .5rem;color:var(--fg-muted);text-decoration:none;border-radius:4px;transition:color var(--duration-fast) ease,background-color var(--duration-fast) ease}.toc-link:hover{color:var(--fg);background:color-mix(in oklab,var(--support-soft) 42%,transparent)}.toc-link.is-active{color:var(--avatar-blue);background:color-mix(in oklab,var(--accent-soft) 46%,transparent);font-weight:500}.quiet-control{min-width:2.75rem;min-height:2.75rem;display:inline-flex;align-items:center;justify-content:center;color:var(--control-ink);background:var(--control-paper);border:1px solid var(--divider-warm);border-radius:999px;cursor:pointer;box-shadow:none;transition:color var(--duration-fast) ease,border-color var(--duration-fast) ease,background-color var(--duration-fast) ease,transform var(--duration-fast) var(--ease-quiet)}.quiet-control:hover,.quiet-control:focus-visible{color:color-mix(in oklab,var(--avatar-blue) 78%,var(--fg));border-color:color-mix(in oklab,var(--avatar-blue) 34%,var(--divider-warm));background:color-mix(in oklab,var(--control-paper) 88%,var(--accent-soft));transform:translateY(-1px)}.quiet-control:active{transform:translateY(0)}.toc-trigger{position:fixed;left:1rem;bottom:1rem;z-index:120;display:none;align-items:center;gap:.4rem;min-height:2.75rem;padding:.55rem .95rem;font-family:var(--font-sans);font-size:.8rem;font-weight:500;color:var(--control-ink);background:var(--control-paper);border:1px solid var(--divider-warm);border-radius:999px;cursor:pointer;box-shadow:none;transition:color var(--duration-fast) ease,border-color var(--duration-fast) ease,background-color var(--duration-fast) ease,transform var(--duration-fast) var(--ease-quiet)}.toc-trigger:hover{color:color-mix(in oklab,var(--avatar-blue) 78%,var(--fg));border-color:color-mix(in oklab,var(--avatar-blue) 34%,var(--divider-warm));background:color-mix(in oklab,var(--control-paper) 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