@font-face {
  font-family: 'EB Garamond';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(/assets/fonts/eb-garamond-latin-ext-400-normal.woff2) format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'EB Garamond';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(/assets/fonts/eb-garamond-latin-400-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'EB Garamond';
  font-style: italic;
  font-display: swap;
  font-weight: 400;
  src: url(/assets/fonts/eb-garamond-latin-ext-400-italic.woff2) format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'EB Garamond';
  font-style: italic;
  font-display: swap;
  font-weight: 400;
  src: url(/assets/fonts/eb-garamond-latin-400-italic.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'EB Garamond';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(/assets/fonts/eb-garamond-latin-ext-600-normal.woff2) format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'EB Garamond';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(/assets/fonts/eb-garamond-latin-600-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'EB Garamond';
  font-style: italic;
  font-display: swap;
  font-weight: 600;
  src: url(/assets/fonts/eb-garamond-latin-ext-600-italic.woff2) format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'EB Garamond';
  font-style: italic;
  font-display: swap;
  font-weight: 600;
  src: url(/assets/fonts/eb-garamond-latin-600-italic.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(/assets/fonts/ibm-plex-mono-latin-ext-400-normal.woff2) format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(/assets/fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: italic;
  font-display: swap;
  font-weight: 400;
  src: url(/assets/fonts/ibm-plex-mono-latin-ext-400-italic.woff2) format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: italic;
  font-display: swap;
  font-weight: 400;
  src: url(/assets/fonts/ibm-plex-mono-latin-400-italic.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(/assets/fonts/ibm-plex-mono-latin-ext-600-normal.woff2) format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(/assets/fonts/ibm-plex-mono-latin-600-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root {
  color-scheme: light dark;
  
  --carmine: #cc1236;
  --cinnamon: #eeb480;
  --indigo: #051230;
  --paper: #fbf8ec;
  --paper-raised: #ffffff;
  --paper-sunk: #f4efd9;
  --ink: var(--indigo);
  --ink-2: #34454c;
  --ink-3: #547076;
  --line: var(--indigo);     
  --rule: #e0dac2;           
  --link: #006eb8;
  --link-visited: #59256a;
  --link-active: var(--carmine);
  --focus: #5a82b3;          
  --mark: #f8ed43;
  
  --c1: var(--carmine);
  --c2: var(--cinnamon);
  --c3: var(--indigo);
  --accent: var(--carmine);
  --accent-text: var(--carmine);   
  --accent-soft: #f5d2b3;          
  --tone-note: #006eb8;
  --tone-tip: #1a7444;
  --tone-important: #4f4086;
  --tone-warning: #ae5224;
  --tone-caution: var(--carmine);
  --font-display: "Advercase", "EB Garamond", "Apple Garamond", "ITC Garamond", Garamond, "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-body: "EB Garamond", Garamond, "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  --font-mono: "IBM Plex Mono", Monaco, "Osaka-Mono", ui-monospace, Menlo, monospace;
  --gutter: clamp(1rem, 4vw, 2rem);
  --measure: 42rem;          
  --wide: 56rem;
  --full: 76rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: var(--indigo);
    --paper-raised: #0b1e3e;
    --paper-sunk: #030c24;
    --ink: #f5ecc2;
    --ink-2: #b6bfc1;
    --ink-3: #a2b0ad;
    --line: #547076;
    --rule: #1b2c4a;
    --link: #78cdd0;
    --link-visited: #b5b1d8;
    --link-active: #f58e84;
    --focus: #78cdd0;
    --mark: #d6b43e;
    --c3: var(--ink);                
    --accent-text: var(--cinnamon);
    --accent-soft: #5f1233;          
    --tone-note: #78cdd0;
    --tone-tip: #96d1aa;
    --tone-important: #b5b1d8;
    --tone-warning: #fdc57e;
    --tone-caution: #f58e84;
  }
  body { -webkit-font-smoothing: antialiased; }
}
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 1.5rem;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1.1875rem, 1.1rem + 0.35vw, 1.3125rem);
  line-height: 1.55;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
main { flex: 1; }
::selection { background: var(--accent-soft); color: var(--ink); }
a { color: var(--link); text-decoration-thickness: 0.065em; text-underline-offset: 0.18em; }
a:visited { color: var(--link-visited); }
a:hover { text-decoration-thickness: 0.12em; }
a:active { color: var(--link-active); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
img, svg, video { max-width: 100%; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: var(--gutter); top: -4rem; z-index: 100;
  padding: 0.6rem 1rem; background: var(--paper-raised); color: var(--ink);
  border: 1px solid var(--line); font: 400 1rem/1 var(--font-body);
}
.skip-link:focus { top: 0.5rem; }
.container { width: min(100% - 2 * var(--gutter), var(--measure)); margin-inline: auto; }
.container-wide { width: min(100% - 2 * var(--gutter), var(--full)); margin-inline: auto; }
.is-home .container { --measure: var(--wide); }
.menubar { background: var(--paper-raised); border-bottom: 1px solid var(--line); }
.menubar-inner {
  width: min(100% - 2 * var(--gutter), var(--wide));
  margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: 0 1rem;
  min-height: 2.75rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.6rem;
  min-height: 2.75rem;
  color: var(--ink); text-decoration: none;
  font: 600 1.15rem/1 var(--font-display); letter-spacing: -0.01em;
}
.brand:visited { color: var(--ink); }
.brand:hover .brand-name { text-decoration: underline; text-decoration-thickness: 1px; }
.brand-mark {
  flex: none; width: 14px; height: 14px; border: 1px solid var(--line);
  background: linear-gradient(var(--c1) 0 33.4%, var(--c2) 0 66.7%, var(--c3) 0);
}
.menu ul { display: flex; list-style: none; margin: 0 -0.7rem 0 0; padding: 0; }
.menu a {
  display: flex; align-items: center; min-height: 2.75rem; padding: 0 0.7rem;
  color: var(--ink); text-decoration: none; font: 400 1.0625rem/1 var(--font-body);
}
.menu a:visited { color: var(--ink); }
.menu a:hover, .menu a:focus-visible { background: var(--ink); color: var(--paper-raised); }
.menu a[aria-current="page"] { box-shadow: inset 0 -3px 0 var(--ink); }
.menu a[aria-current="page"]:hover { box-shadow: none; }
.tape-wrap { overflow: hidden; padding-block: calc(0.9vw + 6px); }
.tape-wrap.is-bottom { margin-top: clamp(4rem, 10vw, 7rem); }
.tape {
  width: 104%; margin-left: -2%;
  background: var(--cinnamon); color: var(--indigo);
  border-block: 2px solid var(--indigo);
  font: 600 0.75rem/1 var(--font-mono); letter-spacing: 0.22em; text-transform: uppercase;
  white-space: nowrap; overflow: hidden;
  transform: rotate(-1deg);
}
.is-bottom .tape { transform: rotate(1deg); }
.tape-track { display: flex; width: max-content; padding-block: 0.55rem; animation: tape-leftward 90s linear infinite; }
.is-bottom .tape-track { animation-name: tape-rightward; }
.tape b { display: inline-block; margin-inline: 1.1em 1.3em; color: var(--carmine); font-size: 0.7em; vertical-align: 0.15em; }
.tape:hover .tape-track { animation-play-state: paused; }
@keyframes tape-leftward { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes tape-rightward { from { transform: translateX(-50%); } to { transform: translateX(0); } }
.intro { padding-block: clamp(3rem, 9vw, 7rem) clamp(2.5rem, 6vw, 4.5rem); }
.intro-title {
  margin: 0;
  max-width: 15ch;
  font: 400 clamp(2.75rem, 1.5rem + 5vw, 5.25rem)/0.98 var(--font-display);
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.intro-title.is-caps { max-width: none; font-size: clamp(2.25rem, 1.2rem + 4.2vw, 4.4rem); line-height: 1.04; letter-spacing: 0.06em; }
.intro-body { max-width: 34rem; margin-top: 1.5rem; font-size: 1.15em; line-height: 1.5; color: var(--ink-2); }
.intro-body p { margin: 0; }
.intro-body p + p { margin-top: 0.75em; }
.section-label {
  display: flex; justify-content: space-between; align-items: baseline;
  margin: 0; padding-bottom: 0.75rem; border-bottom: 1px solid var(--line);
  font: 600 0.875rem/1 var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink);
}
.section-label .count { font-weight: 400; color: var(--ink-3); }
.year { display: grid; grid-template-columns: 7rem 1fr; border-bottom: 1px solid var(--rule); }
.year-label {
  position: sticky; top: 0; align-self: start;
  margin: 0; padding-block: 1.2rem 1rem;
  font: 400 1.6rem/1 var(--font-display); letter-spacing: -0.02em; color: var(--ink-3);
}
.post-list { list-style: none; margin: 0; padding: 0; }
.post-item {
  position: relative;
  display: grid; grid-template-columns: 4.25rem 1fr; gap: 0 1.25rem;
  padding-block: 1.25rem;
}
.post-item + .post-item { border-top: 1px solid var(--rule); }
.post-item-date { margin: 0; padding-top: 0.4em; font: 0.875rem/1.4 var(--font-mono); color: var(--ink-3); }
.post-item-title {
  margin: 0;
  font: 400 1.45em/1.15 var(--font-display); letter-spacing: -0.015em; text-wrap: balance;
}
.post-item-title a { text-decoration: none; }
.post-item-title a::after { content: ""; position: absolute; inset: 0; }
.post-item:hover .post-item-title a { text-decoration: underline; text-decoration-thickness: 0.06em; }
.post-item-desc { margin: 0.4rem 0 0; color: var(--ink-2); line-height: 1.45; text-wrap: pretty; }
.post-item-meta { margin: 0.5rem 0 0; font: 0.875rem/1.4 var(--font-mono); color: var(--ink-3); }
.empty { color: var(--ink-2); padding-block: 2rem; }
.badge {
  display: inline-block; margin-left: 0.6rem; padding: 0.3rem 0.45rem; vertical-align: 0.3em;
  border: 1px solid #051230; background: var(--mark); color: #051230;
  font: 600 0.6875rem/1 var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase;
}
.post-header { padding-block: clamp(2.5rem, 7vw, 5rem) clamp(1.75rem, 4vw, 2.75rem); }
.back { margin: 0 0 1.25rem; font: 400 0.875rem/1 var(--font-mono); }
.back a, .back a:visited { color: var(--ink-3); text-decoration: none; }
.back a::before { content: "← "; }
.back a:hover { color: var(--link); text-decoration: underline; }
.post-title {
  margin: 0;
  font: 400 clamp(2.5rem, 1.5rem + 4vw, 4.4rem)/1.02 var(--font-display);
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.post-dek { margin: 1.1rem 0 0; font-size: 1.22em; font-style: italic; line-height: 1.4; color: var(--ink-2); text-wrap: pretty; }
.post-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.25rem;
  margin-top: 1.75rem; font: 0.875rem/1.4 var(--font-mono); color: var(--ink-3);
}
.post-meta p { margin: 0; }
.post-meta .sep { margin-inline: 0.5em; }
.tag-list { display: flex; flex-wrap: wrap; gap: 0.4rem; list-style: none; margin: 0; padding: 0; }
.tag-list a {
  display: inline-block; padding: 0.2rem 0.55rem; border: 1px solid var(--rule); border-radius: 3px;
  color: var(--ink-2); text-decoration: none; background: var(--paper-raised);
}
.tag-list a:hover { border-color: var(--line); color: var(--ink); }
.prose {
  display: grid;
  grid-template-columns:
    [full-start] minmax(var(--gutter), 1fr)
    [wide-start] minmax(0, 7rem)
    [content-start] min(var(--measure), 100% - 2 * var(--gutter))
    [content-end] minmax(0, 7rem)
    [wide-end] minmax(var(--gutter), 1fr) [full-end];
  font-variant-numeric: oldstyle-nums proportional-nums;
  hyphens: auto;
  overflow-wrap: break-word;
}
.prose > * { grid-column: content; margin-block: 0; min-width: 0; }
.prose > * + * { margin-top: 1em; }
.prose > .window, .prose > .wide, .prose > .table-wrap.wide, .prose > .pullquote { grid-column: wide; }
.prose > .full { grid-column: full; }
.prose p, .prose li, .prose dd { text-wrap: pretty; }
.prose h2, .prose h3, .prose h4 { font-family: var(--font-display); hyphens: manual; text-wrap: balance; }
.prose h2 { margin-top: 2.1em; font-size: 1.6em; font-weight: 400; line-height: 1.12; letter-spacing: -0.02em; }
.prose h3 { margin-top: 1.8em; font-size: 1.25em; font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; }
.prose h4 { margin-top: 1.6em; font-size: 1em; font-weight: 600; font-variant-caps: all-small-caps; letter-spacing: 0.05em; }
.prose h5, .prose h6 { margin-top: 1.6em; font: 600 0.8125rem/1.3 var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; }
.prose h6 { color: var(--ink-3); }
.prose > :is(h2, h3, h4, h5, h6) + * { margin-top: 0.5em; }
.prose > :first-child { margin-top: 0; }
.heading-link, .heading-link:visited { color: inherit; text-decoration: none; }
.heading-link:hover::after { content: "#"; margin-left: 0.3em; color: var(--ink-3); font-weight: 400; }
.lead, .prose > .lead { font-size: 1.2em; line-height: 1.45; color: var(--ink-2); }
.has-dropcap > p:first-of-type::first-letter {
  float: left; margin: 0.06em 0.09em 0 0;
  font: 400 3.7em/0.8 var(--font-display); color: var(--accent-text);
}
@supports (initial-letter: 3) or (-webkit-initial-letter: 3) {
  .has-dropcap > p:first-of-type::first-letter {
    float: none; margin: 0 0.1em 0 0; font-size: inherit; line-height: inherit;
    -webkit-initial-letter: 3; initial-letter: 3;
  }
}
.prose ul, .prose ol { padding-left: 1.35em; }
.prose ul { list-style: square; }
.prose ul ul { list-style: circle; }
.prose li + li, .prose li > ul, .prose li > ol { margin-top: 0.35em; }
.prose li::marker { color: var(--ink-3); }
.prose ol > li::marker { font-variant-numeric: oldstyle-nums; }
.prose li > p { margin: 0; }
.prose li > p + p { margin-top: 0.5em; }
.contains-task-list { list-style: none !important; padding-left: 0 !important; }
.contains-task-list .contains-task-list { padding-left: 1.6em !important; }
.task-list-item-checkbox {
  appearance: none; -webkit-appearance: none;
  width: 0.85em; height: 0.85em; margin: 0 0.55em 0 0; vertical-align: -0.08em;
  border: 1px solid var(--line); background: var(--paper-raised);
}
.task-list-item-checkbox:checked {
  background:
    linear-gradient(45deg, transparent 44%, var(--ink) 44% 56%, transparent 56%),
    linear-gradient(-45deg, transparent 44%, var(--ink) 44% 56%, transparent 56%),
    var(--paper-raised);
}
.task-list-item:has(:checked) { color: var(--ink-2); }
.prose dl { display: grid; gap: 0; }
.prose dt { font-weight: 600; }
.prose dd { margin: 0.15em 0 0 1.35em; color: var(--ink-2); }
.prose dd + dt { margin-top: 0.85em; }
.prose blockquote { margin-inline: 0; padding-left: 1.1em; border-left: 3px solid var(--accent); color: var(--ink-2); }
.prose blockquote > * { margin-block: 0; }
.prose blockquote > * + * { margin-top: 0.75em; }
.prose .epigraph { border: 0; padding: 0 0 0 clamp(1rem, 12%, 5rem); font-style: italic; font-size: 0.95em; }
.prose .epigraph > p:last-child:not(:only-child) { text-align: right; font-style: normal; font-variant-caps: all-small-caps; letter-spacing: 0.05em; color: var(--ink-3); }
.prose > .pullquote, .prose > .pullquote + * { margin-top: 2em; }
.prose .pullquote {
  border: 0; padding: 1.1em 0;
  border-block: 1px solid var(--line);
  font: 400 1.6em/1.2 var(--font-display); letter-spacing: -0.02em; color: var(--ink); text-align: center; text-wrap: balance;
}
strong, b { font-weight: 600; }
em, i, cite, dfn, var { font-style: italic; }
dfn { font-weight: 600; }
var { font-family: var(--font-body); }
mark { background: var(--mark); color: #051230; padding: 0 0.12em; }
ins { text-decoration: underline; text-decoration-color: var(--tone-tip); text-decoration-thickness: 2px; text-underline-offset: 0.18em; }
del, s { text-decoration-thickness: 1.5px; color: var(--ink-3); }
u { text-decoration: underline wavy var(--link-active); text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
small { font-size: 0.82em; }
sub, sup { position: relative; font-size: 0.7em; line-height: 0; vertical-align: baseline; font-variant-numeric: lining-nums; }
sup { top: -0.5em; }
sub { bottom: -0.25em; }
abbr[title] { text-decoration: underline dotted; text-decoration-thickness: 1px; text-underline-offset: 0.2em; cursor: help; }
q { font-style: normal; }
address { font-style: normal; }
ruby rt { font-size: 0.5em; color: var(--ink-2); letter-spacing: 0.04em; }
samp { font-family: var(--font-mono); font-size: 0.82em; }
kbd {
  display: inline-block; padding: 0.22em 0.45em 0.18em; vertical-align: 0.08em;
  border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 3px; background: var(--paper-raised);
  font: 400 0.72em/1 var(--font-mono); color: var(--ink); white-space: nowrap;
}
:not(pre) > code {
  padding: 0.08em 0.3em; border: 1px solid var(--rule); border-radius: 2px; background: var(--paper-sunk);
  font-family: var(--font-mono); font-size: 0.8em; overflow-wrap: anywhere; hyphens: none;
}
.tategaki {
  writing-mode: vertical-rl; text-orientation: mixed;
  justify-self: center; max-height: 15em; max-width: 100%; overflow-x: auto;
  line-height: 1.9; letter-spacing: 0.08em; hyphens: none;
}
.prose > .tategaki, .prose > .tategaki + * { margin-top: 1.75em; }
.smallcaps { font-variant-caps: all-small-caps; letter-spacing: 0.04em; }
.caps { text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.9em; }
.mono { font-family: var(--font-mono); font-size: 0.85em; }
.muted { color: var(--ink-3); }
.center { text-align: center; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.prose hr {
  justify-self: center; width: 48px; height: 8px; margin-block: 2.75em 0; border: 0;
  background:
    linear-gradient(var(--c1) 0 0) 0 0 / 8px 8px no-repeat,
    linear-gradient(var(--c2) 0 0) 20px 0 / 8px 8px no-repeat,
    linear-gradient(var(--c3) 0 0) 40px 0 / 8px 8px no-repeat;
}
.prose > hr + * { margin-top: 2.75em; }
.prose .aside { padding: 1em 1.2em; background: var(--paper-sunk); font-size: 0.9em; color: var(--ink-2); }
.prose .aside > * { margin-block: 0; }
.prose .aside > * + * { margin-top: 0.75em; }
.prose :is(.verse, .center, .wide) > * { margin-block: 0; }
.prose :is(.verse, .center, .wide) > * + * { margin-top: 1em; }
.prose .verse p { white-space: pre-line; padding-left: 1.5em; }
.prose .center > * { margin-inline: auto; }
.prose .columns { columns: 2 15em; column-gap: 2.5em; }
.prose .columns > * { break-inside: avoid; margin-block: 0 1em; }
.prose .columns > :last-child { margin-bottom: 0; }
.window { margin: 0; background: var(--paper-raised); border: 1px solid var(--line); box-shadow: 1px 1px 0 var(--line); }
.prose > .window { margin-top: 1.5em; }
.prose > .window + * { margin-top: 1.5em; }
.titlebar {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  height: 1.75rem; padding: 0 0.4rem;
  border-bottom: 1px solid var(--line);
  background: repeating-linear-gradient(to bottom, var(--line) 0 1px, transparent 1px 3px) center / calc(100% - 0.4rem) 13px no-repeat;
}
.closebox {
  justify-self: start; width: 13px; height: 13px; margin-left: 0.55rem;
  border: 1px solid var(--line); background: var(--paper-raised); box-shadow: 0 0 0 3px var(--paper-raised);
}
.titlebar .title {
  grid-column: 2; margin: 0; padding: 0 0.6rem; max-width: 100%;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  background: var(--paper-raised); color: var(--ink);
  font: 400 0.75rem/1.75rem var(--font-mono); letter-spacing: 0.02em;
}
.copy-button {
  grid-column: 3; justify-self: end; margin-right: 0.45rem;
  min-height: 1.5rem; padding: 0 0.55rem;
  border: 1px solid var(--line); border-radius: 4px; background: var(--paper-raised); color: var(--ink);
  box-shadow: 0 0 0 3px var(--paper-raised);
  font: 400 0.75rem/1 var(--font-mono); cursor: pointer;
}
.copy-button:hover { background: var(--paper-sunk); }
.copy-button:active { background: var(--ink); color: var(--paper-raised); }
.window pre {
  margin: 0; padding: 0.9rem 0; overflow-x: auto;
  font: 0.9375rem/1.6 var(--font-mono); tab-size: 2; hyphens: none;
  font-variant-numeric: normal;
}
.window pre code { display: grid; min-width: 100%; width: max-content; }
.line { min-height: 1lh; padding: 0 1.1rem; }
.line.is-marked { background: color-mix(in srgb, var(--mark) 32%, transparent); box-shadow: inset 3px 0 0 var(--accent); }
pre[data-numbers] code { counter-reset: line var(--start, 0); }
pre[data-numbers] .line::before {
  counter-increment: line; content: counter(line);
  display: inline-block; width: 2.5ch; margin-right: 1.5ch; text-align: right; color: var(--ink-3); user-select: none;
}
.hljs-comment, .hljs-quote { color: #547076; font-style: italic; }           
.hljs-keyword, .hljs-selector-tag, .hljs-doctag, .hljs-name { color: #a62c37; } 
.hljs-string, .hljs-regexp, .hljs-addition, .hljs-selector-attr { color: #1a7444; } 
.hljs-number, .hljs-literal { color: #005b8d; }                               
.hljs-title, .hljs-section, .hljs-selector-id { color: #4f4086; }             
.hljs-title.class_, .hljs-type, .hljs-built_in, .hljs-selector-class { color: #007190; } 
.hljs-attr, .hljs-attribute, .hljs-variable, .hljs-template-variable, .hljs-property { color: #ae5224; } 
.hljs-meta, .hljs-symbol, .hljs-bullet, .hljs-link, .hljs-subst { color: #8c4c62; } 
.hljs-deletion { color: #cc1236; }
.hljs-addition, .hljs-deletion { display: inline-block; width: 100%; }
.hljs-emphasis { font-style: italic; }
.hljs-strong { font-weight: 600; }
.hljs-tag { color: var(--ink-3); }
@media (prefers-color-scheme: dark) {
  .hljs-comment, .hljs-quote { color: #a1a39a; }
  .hljs-keyword, .hljs-selector-tag, .hljs-doctag, .hljs-name { color: #f58e84; }
  .hljs-string, .hljs-regexp, .hljs-addition, .hljs-selector-attr { color: #afd472; }
  .hljs-number, .hljs-literal { color: #78cdd0; }
  .hljs-title, .hljs-section, .hljs-selector-id { color: #b5b1d8; }
  .hljs-title.class_, .hljs-type, .hljs-built_in, .hljs-selector-class { color: #a7d4e4; }
  .hljs-attr, .hljs-attribute, .hljs-variable, .hljs-template-variable, .hljs-property { color: #fdc57e; }
  .hljs-meta, .hljs-symbol, .hljs-bullet, .hljs-link, .hljs-subst { color: #ca92a8; }
  .hljs-deletion { color: #f58e84; }
}
.toc { font-size: 0.95em; margin-bottom: clamp(2rem, 5vw, 3rem); }
.toc > summary { list-style: none; cursor: pointer; }
.toc > summary::-webkit-details-marker { display: none; }
.toc:not([open]) > summary { border-bottom: 0; }
.shadebox {
  grid-column: 3; justify-self: end; width: 13px; height: 13px; margin-right: 0.55rem;
  border: 1px solid var(--line); box-shadow: 0 0 0 3px var(--paper-raised);
  background: linear-gradient(to bottom, transparent 3px, var(--line) 3px 4px, transparent 4px 6px, var(--line) 6px 7px, transparent 7px) var(--paper-raised);
}
.toc ol { list-style: none; margin: 0; padding: 0.85rem 1.1rem 0.95rem; counter-reset: toc; columns: 2 15rem; column-gap: 2rem; }
.toc li { padding-block: 0.15em; break-inside: avoid; }
.toc .toc-l2 { counter-increment: toc; display: grid; grid-template-columns: 2.25rem 1fr; }
.toc .toc-l2::before { content: counter(toc, decimal-leading-zero); padding-top: 0.25em; font: 0.8125rem/1.4 var(--font-mono); color: var(--ink-3); }
.toc .toc-l3 { padding-left: 2.25rem; font-size: 0.92em; }
.toc a, .toc a:visited { color: var(--ink); text-decoration: none; }
.toc a:hover { color: var(--link); text-decoration: underline; }
.callout {
  --tone: var(--tone-note);
  padding: 0.85em 1.15em 0.95em;
  border: 1px solid var(--line); border-left: 4px solid var(--tone);
  background: var(--paper-raised);
}
.callout-tip { --tone: var(--tone-tip); }
.callout-important { --tone: var(--tone-important); }
.callout-warning { --tone: var(--tone-warning); }
.callout-caution { --tone: var(--tone-caution); }
.prose > .callout, .prose > details, .prose > .aside, .prose > .columns { margin-top: 1.5em; }
.prose > .callout + *, .prose > details + *, .prose > .aside + * { margin-top: 1.5em; }
.callout > * { margin-block: 0; }
.callout > * + * { margin-top: 0.6em; }
.callout-title {
  display: flex; align-items: center; gap: 0.55rem;
  font: 600 0.875rem/1.3 var(--font-mono); letter-spacing: 0.02em; color: var(--tone);
}
.px-icon { flex: none; }
.callout-title .px-icon { width: 1.15rem; height: 1.15rem; }
.prose details { border: 1px solid var(--line); background: var(--paper-raised); }
.prose summary {
  display: flex; align-items: center; gap: 0.65em;
  padding: 0.6em 1em; cursor: pointer; list-style: none; font-weight: 400;
}
.prose summary::-webkit-details-marker { display: none; }
.prose summary::before {
  content: ""; flex: none; width: 0; height: 0;
  border-style: solid; border-width: 0.32em 0 0.32em 0.52em; border-color: transparent transparent transparent currentColor;
  transition: transform 0.15s ease;
}
.prose details[open] > summary::before { transform: rotate(90deg); }
.prose details[open] > summary { border-bottom: 1px solid var(--rule); }
.prose summary:hover { background: var(--paper-sunk); }
.prose details > :not(summary) { margin: 0; padding: 0.85em 1.1em; }
.disclosure-body > * { margin-block: 0; }
.disclosure-body > * + * { margin-top: 0.75em; }
.prose .disclosure-body { padding: 0.85em 1.1em; }
.table-wrap { overflow-x: auto; }
.prose table {
  width: 100%; border-collapse: collapse;
  font-size: 0.9em; line-height: 1.4; font-variant-numeric: lining-nums tabular-nums; hyphens: none;
}
.prose th, .prose td { padding: 0.55em 0.8em; text-align: left; vertical-align: top; }
.prose th { vertical-align: bottom; font-weight: 600; border-bottom: 2px solid var(--line); }
.prose td { border-bottom: 1px solid var(--rule); }
.prose :is(th, td):first-child { padding-left: 0.2em; }
.prose tbody tr:hover { background: var(--paper-sunk); }
.prose tfoot td { border-top: 2px solid var(--line); border-bottom: 0; font-weight: 600; }
.prose caption { caption-side: bottom; padding-top: 0.7em; text-align: left; font-style: italic; color: var(--ink-3); }
.prose figure:not(.window) { margin-inline: 0; }
.prose img, .prose video { display: block; height: auto; }
.prose figure:not(.window) > figcaption { margin-top: 0.65em; font-size: 0.88em; font-style: italic; line-height: 1.4; color: var(--ink-3); }
.prose iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 1px solid var(--line); }
.prose audio { width: 100%; }
.katex { font-size: 1.05em; }
.katex-block, .math-block { overflow-x: auto; overflow-y: hidden; padding-block: 0.2em; }
.prose .footnotes { margin-top: 3.5em; padding-top: 1.25em; border-top: 1px solid var(--rule); font-size: 0.9em; color: var(--ink-2); }
.prose .footnotes-title { margin: 0 0 0.8em; font: 600 0.8125rem/1 var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.footnotes-list { margin: 0; }
.footnote-ref a { text-decoration: none; font-variant-numeric: lining-nums; }
.footnote-backref { text-decoration: none; }
.footnote-item:target, .footnote-ref a:target { background: color-mix(in srgb, var(--mark) 45%, transparent); }
.balloon {
  position: absolute; z-index: 50; box-sizing: border-box;
  padding: 0.75rem 0.95rem;
  background: var(--paper-raised); color: var(--ink);
  border: 1px solid var(--line); border-radius: 14px; box-shadow: 2px 2px 0 var(--line);
  font-size: 0.85em; line-height: 1.45; hyphens: manual;
}
.balloon[hidden] { display: none; }
.balloon > * { margin: 0; }
.balloon > * + * { margin-top: 0.5em; }
.balloon::before, .balloon::after {
  content: ""; position: absolute; left: var(--tail, 50%); width: 0; height: 0;
  border: 9px solid transparent; transform: translateX(-50%);
}
.balloon::before { bottom: 100%; border-bottom-color: var(--line); }
.balloon::after { bottom: calc(100% - 1.5px); border-bottom-color: var(--paper-raised); }
.balloon.is-above::before { bottom: auto; top: 100%; border-bottom-color: transparent; border-top-color: var(--line); }
.balloon.is-above::after { bottom: auto; top: calc(100% - 1.5px); border-bottom-color: transparent; border-top-color: var(--paper-raised); }
.post-footer { margin-top: clamp(3rem, 8vw, 5rem); }
.reply { margin: 0 0 1.5rem; }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.post-nav-link { display: block; padding: 1rem 1.1rem; border: 1px solid var(--rule); text-decoration: none; }
.post-nav-link:hover { border-color: var(--line); background: var(--paper-raised); }
.post-nav-link.is-newer { text-align: right; }
.post-nav-label { display: block; margin-bottom: 0.3rem; font: 0.8125rem/1 var(--font-mono); color: var(--ink-3); }
.is-older .post-nav-label::before { content: "← "; }
.is-newer .post-nav-label::after { content: " →"; }
.post-nav-title { font: 400 1.1em/1.25 var(--font-display); letter-spacing: -0.01em; }
.tag-index { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr)); gap: 0.75rem; }
.tag-index a {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  padding: 0.85rem 1rem; border: 1px solid var(--rule); background: var(--paper-raised);
  font-size: 1.1em; text-decoration: none;
}
.tag-index a:hover { border-color: var(--line); }
.tag-index a:hover span:first-child { text-decoration: underline; }
.tag-index .count { font: 0.875rem/1 var(--font-mono); color: var(--ink-3); }
.dialog {
  max-width: 32rem; margin: clamp(3rem, 12vw, 8rem) auto; padding: 1.5rem 1.5rem 1.25rem;
  border: 3px solid var(--line); outline: 1px solid var(--line); outline-offset: 2px; box-shadow: none;
}
.dialog-body { display: flex; gap: 1.25rem; align-items: flex-start; }
.dialog-body .px-icon { color: var(--ink); }
.dialog h1 { margin: 0 0 0.5rem; font: 600 1.3em/1.2 var(--font-display); letter-spacing: -0.01em; }
.dialog p { margin: 0; color: var(--ink-2); }
.dialog-actions { display: flex; justify-content: flex-end; margin-top: 1.5rem; }
.button, .button:visited {
  display: inline-flex; align-items: center; min-height: 2.75rem; padding: 0 1.25rem;
  border: 1px solid var(--line); border-radius: 8px; background: var(--paper-raised); color: var(--ink);
  font: 400 1rem/1 var(--font-body); text-decoration: none;
}
.button.is-default { box-shadow: 0 0 0 2px var(--paper-raised), 0 0 0 5px var(--line); border-radius: 8px; }
.button:hover { background: var(--paper-sunk); }
.button:active { background: var(--ink); color: var(--paper-raised); }
.site-footer { border-top: 1px solid var(--line); background: var(--paper-sunk); }
.footer-inner { width: min(100% - 2 * var(--gutter), var(--wide)); margin-inline: auto; padding-block: 2rem 2.5rem; }
.colophon { max-width: 38rem; margin: 0; font-size: 1.05rem; line-height: 1.5; color: var(--ink-2); }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem 2rem; margin-top: 1.5rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin: 0; font: 0.875rem/1.4 var(--font-mono); color: var(--ink-3); }
.badge-88 {
  display: flex; flex-direction: column; justify-content: center; align-items: center; flex: none;
  width: 88px; height: 31px;
  border: 1px solid #111314; background: #fff200; color: #111314;  
  box-shadow: inset 1px 1px 0 #ffffff, inset -1px -1px 0 #a1a39a;
  font: 600 9px/1.1 var(--font-mono); text-transform: uppercase; letter-spacing: 0.02em; text-align: center;
}
.badge-88 b { display: block; font-size: 9.5px; letter-spacing: 0; white-space: nowrap; }
@media (max-width: 40rem) {
  .menubar-inner { padding-block: 0.25rem; }
  .menu ul { margin-left: -0.7rem; }
  .year { grid-template-columns: 1fr; }
  .year-label { position: static; padding: 1.5rem 0 0; font-size: 1.35rem; }
  .post-item { grid-template-columns: 1fr; }
  .post-item-date { padding: 0 0 0.35rem; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav-link.is-newer { grid-row: 1; }
  .tape { font-size: 0.6875rem; }
  .window pre { font-size: 0.875rem; }
  .line { padding: 0 0.9rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}
@media print {
  .menubar, .tape-wrap, .site-footer, .post-nav, .reply, .toc, .copy-button, .back, .skip-link { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .prose { display: block; }
  .prose a::after { content: " (" attr(href) ")"; font-size: 0.8em; color: #444; }
  .prose a[href^="#"]::after, .heading-link::after { content: none; }
  .window { box-shadow: none; break-inside: avoid; }
}