/* Detail pages (site/p/*.html): hero with the layer kanji → explore (interactive piece) → numbers → about bento → sources → prev/next.
   Builds on site.css tokens; the per-page --k-bg / --k-fg come from the body style. */
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* hero */
.d-hero{overflow-x:clip;padding-top:calc(118px + env(safe-area-inset-top,0px));padding-bottom:clamp(40px,7vh,88px)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:4px 0;font-size:13px;color:var(--muted)}
.crumbs li{display:flex;align-items:center}
.crumbs li+li::before{content:"/";margin:0 10px;color:#B5BDB6}
.crumbs a{display:inline-flex;align-items:center;min-height:32px;color:var(--body);text-decoration:none;border-bottom:1px solid transparent}
.crumbs a:hover{border-bottom-color:currentColor}
.crumbs [aria-current]{color:var(--ink);font-weight:700}
.d-hero__grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:clamp(24px,5vw,80px);align-items:center;margin-top:clamp(28px,5vh,56px)}
.d-hero__q{margin-top:18px;font-size:clamp(34px,4.9vw,76px);line-height:1.28;font-weight:500;letter-spacing:.005em;text-wrap:balance}
.d-hero__name{margin-top:26px;font-size:clamp(18px,1.5vw,22px);font-weight:700}
.d-hero__lead{max-width:34em;margin-top:8px;font-size:17px;color:var(--body)}
.d-hero .chips{margin-top:18px}
.d-hero__cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;margin-top:30px}
.d-hero__noapp{display:inline-flex;align-items:center;min-height:54px;padding:0 24px;border-radius:999px;border:1.5px dashed #C9C2B4;color:var(--body);font-size:15px}
.d-hero__k{justify-self:center;display:grid;place-items:center;width:clamp(180px,26vw,380px);aspect-ratio:1;margin:0;position:relative}
.d-hero__k::before,.d-hero__k::after{content:"";position:absolute;inset:-14%;border-radius:50%;border:1px solid var(--line)}
.d-hero__k::after{inset:-30%;border-color:rgba(226,229,222,.7)}
.d-hero__k-in{display:grid;place-items:center;width:100%;height:100%;border-radius:50%;background:var(--k-bg);color:var(--k-fg);font-size:clamp(96px,13vw,190px);line-height:1;font-weight:500;box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 30px 60px rgba(30,42,36,.10)}
@keyframes ring-out{from{opacity:0;transform:scale(.86)}to{opacity:1;transform:none}}
.js .d-hero__text>*{animation:fade-up .9s var(--ease) backwards}
.js .d-hero__text>:nth-child(2){animation-delay:.06s}
.js .d-hero__text>:nth-child(3){animation-delay:.14s}
.js .d-hero__text>:nth-child(n+4){animation-delay:.22s}
.js .d-hero__k::before{animation:ring-out 1.2s var(--ease) .25s backwards}
.js .d-hero__k::after{animation:ring-out 1.4s var(--ease) .4s backwards}

/* explore */
.d-explore{padding-block:clamp(40px,7vh,88px)}
.d-explore__head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:12px clamp(24px,5vw,80px);align-items:end}
.d-explore__head .eyebrow{grid-column:1 / -1}
.d-explore__head .h2{margin-top:0}
.d-explore__lead{color:var(--body);max-width:30em}

/* numbers */
.d-facts{padding-block:clamp(56px,9vh,112px)}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:36px;border-top:1px solid var(--line)}
.fact{padding:22px clamp(14px,2vw,28px) 26px 0;border-right:1px solid var(--line)}
.fact+.fact{padding-left:clamp(14px,2vw,28px)}
.fact:last-child{border-right:0}
.fact__l{font-size:14px;font-weight:700;color:var(--body)}
.fact__v{display:flex;align-items:baseline;gap:6px;margin-top:4px}
.fact__n{font-size:clamp(52px,6.4vw,104px);line-height:1;font-weight:300;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums}
.fact__u{font-size:16px;color:var(--body)}
.fact__s{margin-top:8px;font-size:13px;color:var(--muted)}
.insights{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px}
.insight{padding:clamp(22px,2.6vw,34px);border-radius:24px}
.insight__h{font-size:clamp(19px,1.6vw,23px);font-weight:500;line-height:1.5}
.insight__note{margin-top:14px;font-size:13px;color:var(--muted)}
.stack{display:flex;height:58px;margin-top:22px;border-radius:14px;overflow:hidden;gap:2px}
.stack__seg{flex:var(--w) 1 0;display:flex;align-items:center;padding-left:10px;min-width:0;color:#FFF;font-size:15px;transform-origin:left;transition:transform 1s var(--ease) calc(var(--i) * .08s)}
.stack__seg,.stack__legend i{background:#2F4A3A}
.stack__seg:nth-child(2),.stack__legend li:nth-child(2) i{background:#5B7B63}
.stack__seg:nth-child(3),.stack__legend li:nth-child(3) i{background:#8E9F86}
.stack__seg:nth-child(4),.stack__legend li:nth-child(4) i{background:#B8875A}
.stack__seg:nth-child(5),.stack__legend li:nth-child(5) i{background:#8E4A2F}
.stack__seg:nth-child(n+3){font-size:12px;padding-left:6px}
.stack__legend{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:14px;font-size:14px}
.stack__legend li{display:flex;align-items:center;gap:7px}
.stack__legend i{width:10px;height:10px;border-radius:3px}
.stack__legend .lat{color:var(--muted)}
.hist{display:grid;grid-template-columns:repeat(11,minmax(0,1fr));gap:4px;align-items:end;height:170px;margin-top:22px}
.hist__col{display:flex;flex-direction:column;justify-content:flex-end;height:100%;gap:6px}
.hist__bar{position:relative;display:block;height:calc(var(--h) * 120px);min-height:2px;border-radius:6px 6px 2px 2px;background:var(--leaf);transform-origin:bottom;transition:transform 1s var(--ease)}
.hist__bar .lat{position:absolute;left:0;right:0;top:-20px;font-size:12px;text-align:center;color:var(--body)}
.hist__x{font-size:11px;text-align:center;color:var(--muted)}
.d-anim .insight:not(.is-in) .stack__seg{transform:scaleX(0)}
.d-anim .insight:not(.is-in) .hist__bar{transform:scaleY(0)}

/* about */
.d-about{padding-block:clamp(40px,7vh,88px)}
.d-about__intro{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.8fr);gap:clamp(24px,5vw,80px);margin-top:32px;align-items:start}
.d-about__overview{font-size:clamp(18px,1.6vw,23px);line-height:2;color:var(--ink);text-wrap:pretty}
.d-about__meta{margin:0;border-top:1px solid var(--line)}
.d-about__meta>div{display:grid;grid-template-columns:5.5em minmax(0,1fr);gap:12px;padding-block:14px;border-bottom:1px solid var(--line);font-size:14px}
.d-about__meta dt{font-weight:700;color:var(--muted)}
.d-about__meta dd{margin:0;color:var(--ink)}
.d-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:16px;margin-top:clamp(32px,5vh,56px)}
.d-card{padding:clamp(22px,2.4vw,32px);border-radius:24px}
.d-card__h{font-size:14px;font-weight:700;color:var(--k-fg,var(--leaf))}
.d-card__list{margin-top:10px}
.d-card__list li{position:relative;padding:9px 0 9px 18px;border-bottom:1px solid var(--line);font-size:15px;line-height:1.7;color:var(--body)}
.d-card__list li:last-child{border-bottom:0}
.d-card__list li::before{content:"";position:absolute;left:2px;top:1.15em;width:6px;height:6px;border-radius:50%;background:var(--k-fg,var(--leaf))}

.d-src{padding-block:8px clamp(40px,6vh,72px)}
.d-src p{max-width:60em;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

/* prev / next */
.d-pager{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:16px;align-items:stretch;padding-bottom:clamp(72px,12vh,140px)}
.pager__card{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-rows:auto auto;column-gap:18px;align-items:center;padding:clamp(20px,2.4vw,30px);border-radius:26px;background:var(--paper);border:1px solid var(--line);color:var(--ink);text-decoration:none;transition:transform .45s var(--ease),box-shadow .45s ease}
.pager__card:hover{transform:translateY(-4px);box-shadow:0 22px 44px rgba(30,42,36,.09)}
.pager__dir{grid-column:2;font-size:13px;font-weight:700;color:var(--muted)}
.pager__k{grid-row:1 / span 2;display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:var(--k-bg);color:var(--k-fg);font-size:30px;font-weight:500}
.pager__name{grid-column:2;font-size:clamp(16px,1.4vw,20px);font-weight:500;line-height:1.5}
.pager__card--next{grid-template-columns:minmax(0,1fr) auto;text-align:right}
.pager__card--next .pager__dir,.pager__card--next .pager__name{grid-column:1}
.pager__card--next .pager__k{grid-column:2}
.pager__home{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:0 clamp(8px,2vw,28px);min-height:44px;font-size:14px;font-weight:700;color:var(--moss);text-decoration:none}
.pager__dots{display:flex;gap:6px}
.pager__dots i{width:8px;height:8px;border-radius:50%;background:var(--line)}
.pager__dots i.is-on{background:var(--moss)}

/* responsive */
@media (max-width:900px){
  .d-hero__grid{grid-template-columns:minmax(0,1fr)}
  .d-hero__k{order:-1;justify-self:start;width:clamp(120px,30vw,180px)}
  .d-hero__k-in{font-size:clamp(64px,16vw,104px)}
  .d-explore__head{grid-template-columns:minmax(0,1fr)}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fact:nth-child(2){border-right:0}
  .fact:nth-child(3){padding-left:0}
  .fact:nth-child(n+3){border-top:1px solid var(--line)}
  .insights{grid-template-columns:minmax(0,1fr)}
  .d-about__intro{grid-template-columns:minmax(0,1fr)}
  .d-pager{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .pager__home{grid-column:1 / -1;grid-row:2}
}
@media (max-width:600px){
  .d-pager{grid-template-columns:minmax(0,1fr)}
  .pager__card--next{grid-template-columns:auto minmax(0,1fr);text-align:left}
  .pager__card--next .pager__dir,.pager__card--next .pager__name{grid-column:2}
  .pager__card--next .pager__k{grid-column:1}
  .fact__n{font-size:48px}
}
.fact__n--word{font-size:clamp(34px,3.6vw,56px);font-weight:500;letter-spacing:.02em}
.insight--warn{background:var(--stone)}