/* Mundo Otaku case page · the watercolour bookcase, the entry and the reading. */
:root{
  --hoja:rgba(246,239,224,.62);
  --papel:#efe6d3;--tinta:#1d1a16;--tinta-2:#4a443b;--acento:#a8302a;--linea:#cdbfa5;--superficie:#f6efe0;
  --f-titulo:"Yu Mincho","YuMincho","Hiragino Mincho ProN","Noto Serif JP","Noto Serif CJK JP",Georgia,"Times New Roman",serif;
  --f-texto:"Yu Gothic UI","Yu Gothic","YuGothic","Hiragino Sans","Segoe UI",system-ui,sans-serif;
  --f-etiqueta:"Yu Gothic UI","Yu Gothic","Hiragino Sans","Segoe UI",system-ui,sans-serif;
  --f-kanji:"Yu Mincho","YuMincho","Hiragino Mincho ProN","Noto Serif CJK JP","Yu Gothic","Hiragino Sans","Noto Sans CJK JP",serif;
  --barra:58px;
  --ne-fig-w:min(calc((100svh - 230px) * 1080 / 2340),340px);
  --n2-forma:.86;
  --n2-w:min(calc(100vw - 48px),calc((100svh - var(--barra) - 176px) * .74),760px);
  --n2-indice-h:176px;
}
body{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='2' seed='4'/%3E%3CfeColorMatrix values='0 0 0 0 .45 0 0 0 0 .38 0 0 0 0 .26 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23f)'/%3E%3C/svg%3E"),var(--papel)}
h1,h2,h3{font-weight:700;letter-spacing:0}
.eyebrow{font-weight:700;letter-spacing:.12em;color:var(--acento)}
.button{border-radius:3px;border-width:2px}
.button.primary{background:var(--tinta);border-color:var(--tinta);color:var(--papel)}
.ne-cabecera{position:sticky;top:0;z-index:30;height:var(--barra);box-sizing:border-box;padding:0 24px;background:var(--papel);border-bottom:3px solid var(--tinta);font:700 14px/1 var(--f-texto)}
.ne-cabecera .cb-firma{display:inline-flex;align-items:center;gap:8px;min-height:44px;text-decoration:none;font-family:var(--f-titulo);font-size:17px}
.ne-cabecera .cb-donde{padding-left:16px;border-left:2px solid var(--tinta)}
.ne-cabecera #lang{border-radius:3px}
.n2-main{display:grid;grid-template-columns:minmax(340px,30%) minmax(0,1fr);align-items:start}
.n2-escenario{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:calc(100svh - var(--barra));padding:44px 24px 14px;box-sizing:border-box}
.n2-nombre{position:relative;width:min(calc(var(--n2-w) * 1.12),calc(100vw - 32px));aspect-ratio:1544/273}
.n2-nombre img,.n2-nombre canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.n2-nombre canvas.n2-aura{inset:auto;z-index:0;pointer-events:none}
.n2-nombre canvas.n2-aura[hidden]{display:none}
.n2-nombre canvas:not(.n2-aura){z-index:1}
.n2-js .n2-nombre img{display:none}
html:not(.n2-js) .n2-nombre canvas{display:none}
.n2-subtitulo{margin:0;text-align:center}
.n2-pie{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 18px;min-height:44px}
.n2-controles{display:contents}
.n2-saltar,.n2-otra-vez{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 14px;border:2px solid var(--tinta);border-radius:3px;background:var(--papel);color:var(--tinta);font:700 14px/1 var(--f-texto);cursor:pointer}
.n2-saltar[hidden],.n2-otra-vez[hidden]{display:none}
.n2-intro .n2-saltar[hidden]{display:inline-flex}
.n2-saltar,.n2-otra-vez{min-width:156px;justify-content:center;box-sizing:border-box}
.n2-saltar:hover,.n2-otra-vez:hover{background:var(--tinta);color:var(--papel)}
.n2-otra-vez{border-color:transparent;background:transparent;color:var(--tinta-2)}
.n2-otra-vez:hover{background:transparent;color:var(--tinta);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.n2-saltar:focus-visible,.n2-otra-vez:focus-visible,.n2-bajar:focus-visible{outline:3px solid var(--acento);outline-offset:3px}
.n2-saltar kbd{font:700 11px/1 var(--f-etiqueta);padding:3px 5px;border:1px solid currentColor;border-radius:3px;opacity:.75}
@media (pointer:coarse){.n2-saltar kbd{display:none}}
.n2-bajar{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 20px;border:2px solid var(--tinta);border-radius:3px;background:var(--tinta);color:var(--papel);font:700 14px/1 var(--f-texto);text-decoration:none;box-sizing:border-box}
.n2-bajar:hover{background:#38322b;border-color:#38322b}
.n2-bajar{transition:opacity .7s ease}
.n2-intro .n2-bajar{opacity:0}
.n2-intro:not(.n2-marco) .ne-cabecera{opacity:0;visibility:hidden;animation:n2-marco-seguro .9s 12s forwards}
.n2-marco .ne-cabecera{transition:opacity .9s ease,visibility .9s}
@keyframes n2-marco-seguro{to{opacity:1;visibility:visible}}
.n2-ranura{position:relative;aspect-ratio:var(--n2-forma);flex:none}
.n2-ranura-escenario{width:var(--n2-w)}
.n2-escena{position:absolute;inset:0}
.n2-escena canvas{position:absolute;inset:0;width:100%!important;height:100%!important;display:block}
.n2-escena .n2-gl{touch-action:pan-y;opacity:0;transition:opacity .5s ease}
.n2-3d .n2-escena .n2-gl{opacity:1}
.n2-escena .n2-tinta{z-index:1;pointer-events:none;transition:opacity .8s ease}
.n2-intro .n2-escena .n2-gl{transition:opacity .8s ease}
.n2-gl-oculto .n2-escena .n2-gl{opacity:0;transition:none}
.n2-escena.n2-fija{position:fixed;inset:auto;left:0;top:0;z-index:10;transform-origin:0 0}
.n2-ranura::before{content:"";position:absolute;inset:0;background:center/contain no-repeat;opacity:0;pointer-events:none}
html:not(.n2-js) .n2-ranura::before,.n2-sin-3d .n2-ranura::before,.n2-js:not(.n2-intro):not(.n2-3d) .n2-ranura::before,.n2-3d .n2-ranura.n2-con-fija::before{background-image:url("estante-fijo-alto.webp");opacity:1;transition:opacity .35s ease}
.n2-intro.n2-fija-tarde .n2-ranura::before{background-image:url("estante-fijo-alto.webp");opacity:1;transition:opacity .8s ease}
.n2-relevo .n2-ranura:not(.n2-con-fija)::before{background-image:url("estante-fijo-alto.webp");animation:n2-relevo 1.3s ease forwards}
.n2-3d-perdido .n2-ranura::before{background-image:url("estante-fijo-alto.webp");opacity:1}
@keyframes n2-relevo{0%,62%{opacity:1}to{opacity:0}}
.ne-panel{position:sticky;top:var(--barra);height:calc(100svh - var(--barra));display:flex;flex-direction:column;border-right:3px solid var(--tinta);box-sizing:border-box}
.n2-ranura-panel{width:min(calc(100% - 32px),calc((100svh - var(--barra) - var(--n2-indice-h) - 24px) * var(--n2-forma)));margin:auto}
.ne-indice{margin-top:0;padding:10px 16px 14px;border-top:2px solid var(--tinta)}
.ne-indice ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px 8px}
.ne-indice a{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-areas:'k k' 'n t';align-content:center;align-items:baseline;gap:3px 5px;min-height:44px;padding:3px 6px;border-radius:3px;text-decoration:none;color:var(--tinta)}
.ne-indice a:hover{background:#1d1a160f}
.ne-indice a[aria-current="true"]{background:var(--tinta);color:var(--papel)}
.ne-ix-kanji{grid-area:k;font:700 17px/1 var(--f-kanji)}
.ne-ix-n{grid-area:n;font:700 11px/1 var(--f-etiqueta);color:var(--acento)}
.ne-indice a[aria-current="true"] .ne-ix-n{color:#f2b9a8}
.ne-ix-t{grid-area:t;font:600 13px/1.2 var(--f-texto);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ne-lectura{min-width:0;padding:0 clamp(24px,4vw,72px) 48px}
.ne-portada{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center;padding:56px 0 24px;scroll-margin-top:var(--barra)}
.ne-sello-portada{display:inline-grid;place-items:center;width:62px;height:62px;margin-bottom:22px;background:var(--acento);color:#f6ecd9;font:700 22px/1.05 var(--f-kanji);writing-mode:vertical-rl;letter-spacing:.06em;border-radius:4px;transform:rotate(-4deg)}
.ne-portada-texto h1{font-size:clamp(40px,4.2vw,72px);line-height:1.05}
.ne-portada-texto .lead{max-width:600px;margin-top:22px;font-size:18px;line-height:1.65;color:var(--tinta-2)}
.ne-portada-texto .button{margin-top:26px}
.ne-portada-texto .hero-note{margin-top:14px;font-size:14px;color:var(--tinta-2)}
.app-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#ff774a;margin-right:6px}
.ne-portada-tel{margin:0;--ne-pt-h:min(calc(100svh - 230px),480px)}
.ne-portada-tel img{display:block;height:var(--ne-pt-h);width:auto;max-width:none;border:4px solid var(--tinta);border-radius:22px}
.ne-portada-tel figcaption{margin-top:10px;max-width:calc(var(--ne-pt-h) * 1080 / 2340 + 8px);font-size:13px;color:var(--tinta-2)}
.ne-tomo{padding-top:72px;scroll-margin-top:var(--barra)}
.ne-tomo-cabeza{display:flex;align-items:center;gap:20px;padding-bottom:18px;margin-bottom:28px;border-bottom:3px solid var(--tinta)}
.ne-tomo-cabeza:focus{outline:none}
.ne-tomo-cabeza:focus-visible{outline:3px solid var(--acento);outline-offset:6px}
.ne-tomo-cabeza[data-foco="puntero"]:focus-visible{outline:none}
.ne-kanji{font:700 clamp(64px,7vw,104px)/1 var(--f-kanji);color:var(--tinta)}
.ne-tomo-n{font:700 15px/1.3 var(--f-etiqueta);letter-spacing:.12em;text-transform:uppercase;color:var(--acento)}
.ne-tomo .wrap{width:100%}
.ne-tomo #producto{background:var(--hoja);padding:40px 28px;border:2px solid var(--tinta);border-radius:4px}
.ne-tomo .intro-grid{grid-template-columns:minmax(0,1fr)}
.ne-tomo .overview{grid-template-columns:minmax(0,1fr) auto;gap:32px;padding-block:48px}
.ne-tomo .overview>.editorial-video{width:var(--ne-fig-w);border:4px solid var(--tinta);border-radius:16px;overflow:hidden;background:var(--tinta);color:var(--papel)}
.ne-tomo .overview>.editorial-video figcaption{padding:10px 12px 12px}
.ne-tomo .overview>.editorial-video figcaption span,.ne-tomo .overview>.editorial-video small,.ne-tomo .overview>.editorial-video .video-description{color:#e7dcc6}
.ne-tomo .overview>.editorial-video .video-description{padding:0 12px 10px}
.ne-tomo .paired-chapters{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;padding-block:24px}
.ne-tomo .engineering-section,.ne-tomo .evidence-section{padding-block:24px}
.ne-tomo .path-panel{border-radius:4px;background:var(--hoja)}
.ne-tomo .stack-groups li{border-color:var(--tinta);border-radius:3px}
.ne-tomo .quality-table{background:var(--hoja);border:2px solid var(--tinta)}
.ne-tomo .quality-table td:nth-child(2){color:var(--acento)}
.ne-tomo .section-heading{flex-direction:column;gap:12px}
.ne-tomo .supporting-heading{margin-top:40px;padding-top:24px;border-top:2px dashed var(--tinta)}
.ne-capitulo{margin-top:48px}
.ne-capitulo .chapter-heading h3{font-size:clamp(26px,2.6vw,38px);margin:8px 0 12px}
.ne-capitulo .chapter-heading p:last-child{color:var(--tinta-2);max-width:680px}
.ne-vinetas{list-style:none;padding:0;margin-top:24px;display:grid;grid-template-columns:repeat(auto-fill,var(--ne-fig-w));gap:32px 24px;align-items:start}
.ne-fig{margin:0}
.ne-fig>a{display:block;border:4px solid var(--tinta);border-radius:16px;overflow:hidden;background:#000}
.ne-fig>a:focus-visible{outline:3px solid var(--acento);outline-offset:3px}
.ne-fig img{display:block;width:100%;height:auto}
.ne-fig figcaption{display:flex;flex-direction:column;gap:4px;padding-top:10px}
.tc-n{font:700 12px/1 var(--f-etiqueta);color:var(--acento)}
.ne-fig figcaption strong{font:700 18px/1.25 var(--f-titulo)}
.ne-fig .card-caption{font-size:14px;line-height:1.55;color:var(--tinta-2)}
.ne-vineta-video .editorial-video{border:4px solid var(--tinta);border-radius:16px;overflow:hidden;background:var(--tinta);color:var(--papel)}
.ne-vineta-video .editorial-video figcaption{padding:10px 12px 12px}
.ne-vineta-video .editorial-video figcaption strong{font:700 17px/1.25 var(--f-titulo)}
.ne-vineta-video .editorial-video figcaption span,.ne-vineta-video .editorial-video figcaption small,.ne-vineta-video .video-description{color:#e7dcc6}
.ne-vineta-video .video-description{padding:0 12px 10px}
.ne-video-ceja{color:var(--acento);margin-bottom:8px}
.ne-nota{display:flex;align-items:flex-start;gap:14px;margin-top:24px;max-width:680px}
.ne-nota-kanji{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--acento);color:#f6ecd9;font:700 20px/1 var(--f-kanji)}
.ne-nota .evidence-limits{color:var(--tinta);font-size:15px;line-height:1.6;padding-top:8px}
.footer{grid-column:1/-1;width:auto;padding-inline:24px}
@media (max-width:1199px) and (min-width:961px){
  .n2-main{grid-template-columns:minmax(320px,34%) minmax(0,1fr)}
  :root{--n2-indice-h:224px}
  .ne-indice ol{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ne-portada{grid-template-columns:minmax(0,1fr)}
  .ne-portada-tel{justify-self:start;--ne-pt-h:min(calc(100svh - 420px),420px)}
  .ne-tomo .paired-chapters{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:960px){
  :root{--barra:54px;--ne-banda:112px;--n2-w:min(calc(100vw - 32px),calc((100svh - var(--barra) - 172px) * .74));--ne-fig-w:min(calc((100svh - 300px) * 1080 / 2340),calc(100vw - 48px),320px)}
  .ne-cabecera{padding:0 12px;gap:8px}
  .ne-cabecera .cb-donde,.ne-cabecera .cb-firma-nombre{display:none}
  .n2-main{display:block}
  .n2-escenario{padding:36px 16px 10px}
  .ne-panel{top:var(--barra);height:auto;z-index:20;border-right:0;border-block:3px solid var(--tinta);background:var(--papel)}
  .n2-ranura-panel{width:auto;aspect-ratio:auto;height:var(--ne-banda);margin:0}
  html:not(.n2-js) .n2-ranura-panel::before,.n2-sin-3d .n2-ranura-panel::before,.n2-js:not(.n2-intro):not(.n2-3d) .n2-ranura-panel::before,.n2-3d .n2-ranura-panel.n2-con-fija::before{background-image:url("estante-fijo-ancho.webp")}
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  .ne-indice{margin-top:0;padding:4px 8px 6px;border-top:1px solid var(--tinta)}
  .ne-indice ol{display:flex;overflow-x:auto;scrollbar-width:none;gap:4px}
  .ne-indice li{flex:none}
  .ne-indice a{grid-template-columns:auto auto auto;grid-template-areas:none;align-items:center;gap:7px;min-height:44px;padding:2px 6px}
  .ne-indice a>span{grid-area:auto}
  .ne-cabecera #lang,.n2-saltar,.n2-otra-vez{min-height:44px}
  .ne-lectura{padding:0 16px 40px}
  .ne-portada{grid-template-columns:minmax(0,1fr);padding:32px 0 16px;gap:20px;scroll-margin-top:calc(var(--barra) + var(--ne-banda) + 56px)}
  .ne-portada-texto{display:contents}
  .ne-sello-portada{order:1;margin-bottom:0;width:52px;height:52px;font-size:18px}
  .ne-portada-texto h1{order:3;font-size:clamp(36px,10.5vw,52px)}
  .ne-portada-tel{order:4;justify-self:start;--ne-pt-h:min(38svh,340px)}
  .ne-portada-tel figcaption{max-width:none}
  .ne-portada-texto .lead{order:5;margin-top:0;font-size:17px}
  .ne-portada-texto .button{order:6;justify-self:start;margin-top:0}
  .ne-portada-texto .hero-note{order:7;margin-top:0}
  .ne-tomo{padding-top:48px;scroll-margin-top:calc(var(--barra) + var(--ne-banda) + 56px)}
  .ne-kanji{font-size:58px}
  .ne-tomo .overview,.ne-tomo .paired-chapters{grid-template-columns:minmax(0,1fr)}
  .ne-tomo #producto{padding:28px 16px}
  .ne-vinetas{grid-template-columns:minmax(0,var(--ne-fig-w));justify-content:center}
}
@media (max-width:340px){:root{--n2-w:min(calc(100vw - 32px),calc((100svh - var(--barra) - 220px) * .74))}}
@media print{.ne-panel,.n2-escena,.n2-pie{display:none}.n2-main{display:block}.n2-escenario{min-height:0}}
@media (prefers-reduced-motion:reduce){.n2-escena .n2-gl,.n2-escena .n2-tinta,.n2-ranura::before,.n2-bajar{transition:none}}