/* EKALLIUM brand site — shared stylesheet
   Palette: paper / ink / indigo (#1E1B4B) / accent (#5b45d6). One metaphor: the periodic-table cell. */
@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;1,400&family=Noto+Serif+JP:wght@400;600&family=Noto+Sans+JP:wght@400;500;700&display=swap');

:root{
  --paper:#faf9f7;--paper-2:#f3f1ec;--ink:#1a1a1a;--body:#3d3b38;--muted:#73716e;--line:#e3e0dc;--line-2:#d4d0ca;
  --indigo:#1E1B4B;--accent:#5b45d6;--accent-soft:rgba(91,69,214,.07);--ivory:#F4EFE6;--ivory-muted:#b7b2d2;
  --latin:"EB Garamond",Georgia,"Times New Roman",serif;
  --serif:"EB Garamond","Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:"Noto Sans JP","Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;
  --nav-h:68px;--gutter:clamp(20px,6vw,96px);--max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.9;font-feature-settings:"palt" 1;overflow-x:clip}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;margin:0;color:var(--indigo);word-break:keep-all;overflow-wrap:anywhere}
p{margin:0}
::selection{background:var(--indigo);color:var(--ivory)}

/* Typography helpers */
.eyebrow{font-family:var(--latin);font-size:13px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:500}
.eyebrow.accent{color:var(--accent)}
.latin{font-family:var(--latin)}
.lead{font-size:clamp(17px,1.35vw,19px);line-height:2.05;color:var(--body);letter-spacing:.01em}
.body p{font-size:clamp(16px,1.2vw,17.5px);line-height:2.05;color:var(--body);letter-spacing:.012em}
.body p + p{margin-top:1.2em}
.pull,.body p.pull{font-family:var(--serif);font-size:clamp(24px,2.6vw,34px);line-height:1.7;color:var(--indigo);letter-spacing:.01em}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 var(--gutter);background:rgba(250,249,247,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .logo{display:inline-flex;align-items:center}
.nav .logo img{display:block;width:166px;height:auto}
.nav-links{display:flex;align-items:center;gap:clamp(18px,2.6vw,40px);font-family:var(--latin);font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--indigo)}
.nav-links a{padding:8px 0;border-bottom:1px solid transparent;transition:border-color .2s,opacity .2s;white-space:nowrap}
.nav-links a:hover{border-color:var(--indigo)}
.nav-links a.is-current{border-color:var(--accent);color:var(--accent)}
.nav-links a.ext{color:var(--accent)}

/* Section scaffolding */
.section{padding:clamp(96px,11vw,160px) var(--gutter);position:relative}
.wrap{max-width:var(--max);margin:0 auto}
.narrow{max-width:820px;margin:0 auto}
.section-head{display:flex;align-items:center;gap:20px;margin-bottom:clamp(44px,5vw,72px)}
.section-head .rule{flex:1;height:1px;background:var(--line-2)}
.section-head .num{font-family:var(--latin);font-size:13px;letter-spacing:.22em;color:var(--indigo);font-weight:500}
.h2{font-size:clamp(34px,4.6vw,60px);line-height:1.38;letter-spacing:-.01em}
.h3{font-size:clamp(24px,2.4vw,32px);line-height:1.6}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:center}
.split > *{min-width:0}
.textlink{display:inline-flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--indigo);font-size:14px;letter-spacing:.06em;color:var(--indigo);transition:gap .2s,color .2s,border-color .2s}
.textlink .arr{font-family:var(--latin);font-size:16px;line-height:1}
.textlink:hover{gap:18px;color:var(--accent);border-color:var(--accent)}
.textlink.ghost{border-color:var(--line-2)}
.links{display:flex;flex-wrap:wrap;gap:16px 36px;margin-top:36px}

/* The element cell — the one visual unit used everywhere */
.pt{display:grid;gap:7px}
.el{position:relative;min-width:0;aspect-ratio:1/1.06;border:1px solid var(--line-2);background:#fff;padding:9px 9px 8px;display:flex;flex-direction:column;justify-content:space-between;color:var(--body);transition:transform .25s,border-color .25s,box-shadow .25s}
.el .sym{font-family:var(--latin);font-weight:500;font-size:clamp(18px,1.9vw,26px);line-height:1;color:var(--indigo)}
.el .nm{font-size:11px;line-height:1.35;letter-spacing:.01em;color:var(--body)}
.el .ct{font-family:var(--latin);font-size:12px;letter-spacing:.06em;color:var(--muted);line-height:1}
.el .ct b{font-weight:500;color:var(--indigo)}
.el.thin{background:var(--accent-soft)}
.el.thin .ct{color:var(--accent)}
.el.void{border:1px dashed var(--accent);background:var(--accent-soft);color:var(--accent);cursor:pointer}
.el.void > .sym{color:var(--accent);font-style:italic;font-weight:400;font-size:12px;letter-spacing:.06em;white-space:nowrap}
.el.void .nm,.el.void .ct{color:var(--accent)}
.el.void .q{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--latin);font-size:clamp(22px,2.4vw,34px);color:var(--accent);opacity:.9;transition:opacity .25s}
.el.void:hover,.el.void:focus-visible{transform:translateY(-3px);border-style:solid;box-shadow:0 10px 30px rgba(30,27,75,.14);outline:none}
.el.void .reveal{position:absolute;inset:0;padding:9px 9px 8px;display:flex;flex-direction:column;justify-content:space-between;background:var(--indigo);color:var(--ivory);opacity:0;transform:scale(.96);transition:opacity .3s,transform .3s;pointer-events:none}
.el.void .reveal .sym{color:var(--ivory);font-style:normal;font-weight:500}
.el.void .reveal .nm{color:var(--ivory)}
.el.void .reveal .ct{color:var(--ivory-muted)}
.el.void.named{border-color:var(--indigo)}
.el.void.named .reveal{opacity:1;transform:none}
.el.void.named .q,.el.void.named > .sym,.el.void.named > .nm,.el.void.named > .ct{opacity:0}
.el.void .dot{position:absolute;top:-6px;right:-6px;width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(91,69,214,.14);animation:pulse 2.4s ease-in-out infinite}
.el.void.named .dot{display:none}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(91,69,214,.12)}50%{box-shadow:0 0 0 9px rgba(91,69,214,.04)}}
.pt-caption{margin-top:18px;font-size:13.5px;line-height:1.9;color:var(--muted);min-height:3.6em}
.pt-caption b{font-weight:500;color:var(--indigo)}
.pt-legend{display:flex;gap:22px;flex-wrap:wrap;margin-top:14px;font-family:var(--latin);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.pt-legend i{display:inline-block;width:12px;height:12px;vertical-align:-1px;margin-right:8px;border:1px solid var(--line-2);background:#fff}
.pt-legend i.v{border:1px dashed var(--accent);background:var(--accent-soft)}
.pt-legend i.t{background:var(--accent-soft)}

/* Dark (indigo) band */
.dark{background:var(--indigo);color:var(--ivory)}
.dark h2,.dark h3,.dark .pull{color:var(--ivory)}
.dark .eyebrow,.dark .section-head .num{color:var(--ivory-muted)}
.dark .section-head .rule{background:rgba(244,239,230,.18)}
.dark .textlink{color:var(--ivory);border-color:rgba(244,239,230,.5)}
.dark .textlink:hover{color:#fff;border-color:#fff}
.dark .body p,.dark .lead{color:rgba(244,239,230,.82)}

/* Footer */
.footer{border-top:1px solid var(--line);padding:26px var(--gutter);display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:var(--latin);font-size:13px;letter-spacing:.12em;color:var(--muted)}
.tm{font-family:var(--sans);font-size:.62em;font-weight:400;letter-spacing:0;text-transform:none;vertical-align:super;line-height:0;margin-left:1px}
.nav .logo .tm{font-size:10px;color:var(--muted);align-self:flex-start;margin:0 0 0 3px;vertical-align:baseline;line-height:1}
.footer{flex-wrap:wrap}
.tmnote{flex-basis:100%;margin:0;font-family:var(--sans);font-size:12px;letter-spacing:.02em;line-height:1.8;text-transform:none;color:var(--muted)}
.footer .tag{font-style:italic;letter-spacing:.04em;text-transform:none;font-size:15px;color:var(--indigo)}

/* Reveal on scroll */
.fade{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}
.fade.in{opacity:1;transform:none}

@media(max-width:900px){
  .split{grid-template-columns:1fr;gap:48px}
  .split.visual-first .visual{order:0}
  .split.visual-first .copy{order:1}
}
@media(max-width:700px){
  :root{--nav-h:60px}
  .nav .logo img{width:122px}
  .nav-links{gap:14px;font-size:11.5px;letter-spacing:.1em}
  .nav-links a.hide-sm{display:none}
  .section{padding:84px var(--gutter)}
  .section-head{gap:12px;margin-bottom:36px}
  .section-head .num,.eyebrow{font-size:11.5px;letter-spacing:.18em}
  .h2{font-size:clamp(30px,8.4vw,40px);line-height:1.45}
  .pull{font-size:23px;line-height:1.75}
  .el{padding:6px 6px 5px}
  .el .sym{font-size:17px}
  .el .nm{font-size:9.5px;line-height:1.3}
  .el .ct{font-size:10px}
  .el .reveal{padding:6px 6px 5px}
  .pt-caption{font-size:13px}
  .footer{flex-direction:column;align-items:flex-start;gap:6px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation:none!important;transition:none!important}
  .fade{opacity:1;transform:none}
}

/* Void cells reserve room for their revealed content: the reveal layer sits in the same grid area as the
   placeholder (in flow, not absolute), so the cell — and with grid-auto-rows:1fr, every cell — is tall enough. */
.el{--pt:9px;--px:9px;--pb:8px}
.el.void:has(> .reveal){display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto 1fr;align-items:start}
.el.void:has(> .reveal) > .sym{grid-area:1/1}
.el.void:has(> .reveal) > .nm{grid-area:2/1}
.el.void:has(> .reveal) > .ct{grid-area:3/1;align-self:end}
.el.void > .reveal{position:relative;inset:auto;grid-area:1/1/4/2;align-self:stretch;margin:calc(-1 * var(--pt)) calc(-1 * var(--px)) calc(-1 * var(--pb));padding:var(--pt) var(--px) var(--pb)}
.el.void .reveal .ct{white-space:normal}
@media(max-width:700px){.el{--pt:6px;--px:6px;--pb:5px}}

/* ---------- Feature figures: clickable items + modal ---------- */
.role li.has-fig{padding:0}
.role li.has-fig:before{top:22px}
.feat{display:block;width:100%;text-align:left;padding:13px 28px 13px 16px;position:relative;color:inherit;transition:background .2s}
.feat b{display:block;font-weight:500;color:var(--indigo);font-size:14.5px}
.feat > span:not(.fig-hint){display:block;font-size:14px;line-height:1.85;color:var(--body)}
.feat .fig-arr{font-style:normal;font-family:var(--latin);color:var(--accent);margin-left:8px;display:inline-block;transition:transform .2s}
.feat .fig-hint{position:absolute;right:0;top:14px;font-family:var(--latin);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);opacity:0;transition:opacity .2s}
.feat:hover,.feat:focus-visible{background:var(--accent-soft);outline:none}
.feat:hover .fig-arr,.feat:focus-visible .fig-arr{transform:translateX(4px)}
.feat:hover .fig-hint,.feat:focus-visible .fig-hint{opacity:1}

.fig-modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:24px}
.fig-modal[hidden]{display:none}
.fig-backdrop{position:absolute;inset:0;background:rgba(30,27,75,.42);backdrop-filter:blur(3px);opacity:0;transition:opacity .22s}
.fig-dialog{position:relative;width:min(880px,100%);max-height:calc(100vh - 48px);overflow:auto;background:var(--paper);border:1px solid var(--line-2);box-shadow:0 30px 80px rgba(30,27,75,.28);padding:clamp(28px,4vw,48px) clamp(22px,4vw,52px) clamp(24px,3vw,36px);opacity:0;transform:translateY(14px) scale(.985);transition:opacity .22s,transform .22s;outline:none}
.fig-modal.is-open .fig-backdrop{opacity:1}
.fig-modal.is-open .fig-dialog{opacity:1;transform:none}
.fig-close{position:absolute;top:10px;right:12px;width:40px;height:40px;font-family:var(--latin);font-size:26px;line-height:1;color:var(--muted);border-radius:50%;transition:color .2s,background .2s}
.fig-close:hover,.fig-close:focus-visible{color:var(--indigo);background:var(--accent-soft);outline:none}
body.fig-open{overflow:hidden}

.fig-who{font-family:var(--latin);font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:500}
.fig-title{font-size:clamp(23px,2.4vw,30px);line-height:1.55;margin:10px 0 28px}
.fig-flow{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:clamp(16px,2.6vw,36px);align-items:start}
.fig-col{min-width:0}
.fig-k{display:block;font-family:var(--latin);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--indigo);font-weight:500;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--line-2)}
.fig-flow .el{aspect-ratio:auto;min-height:0;padding:12px 14px;gap:6px;transition:none}
.fig-flow .el .sym{font-size:22px}
.fig-flow .el .nm{font-size:13px;line-height:1.4}
.fig-flow .el .ct{font-size:12.5px;line-height:1.4}
.fig-flow .el .ct b{font-weight:500}
.fig-flow .el.ok{border-color:var(--indigo)}
.fig-stack{display:grid;gap:7px}
.pill{display:inline-block;padding:1px 8px;border:1px solid var(--line-2);border-radius:999px;font-size:11px;letter-spacing:.06em;color:var(--muted);font-weight:500;vertical-align:1px}
.pill.on,.el .ct b.pill.on{border-color:var(--indigo);background:var(--indigo);color:var(--ivory)}
.el .ct b.pill{color:var(--muted)}
.fig-note{font-size:13px;line-height:1.8;color:var(--muted);margin-top:12px}
.fig-note.fig-ev{border-left:2px solid var(--line-2);padding-left:10px;color:var(--body)}
.fig-count{display:flex;justify-content:space-between;gap:12px;margin-top:8px;padding:10px 14px;border:1px dashed var(--line-2);font-size:13px;color:var(--body)}
.fig-count b{font-family:var(--latin);font-size:16px;color:var(--indigo);font-weight:500}
.fig-mid{position:relative;align-self:stretch;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px 6px;min-width:112px}
.fig-brand{font-family:var(--latin);font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--indigo);font-weight:500;background:var(--paper);padding:0 6px;position:relative;z-index:1}
.fig-verb{font-size:12px;line-height:1.7;color:var(--muted);margin-top:6px;background:var(--paper);padding:0 6px;position:relative;z-index:1;max-width:120px}
.fig-line{position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line-2)}
.fig-line:after{content:'';position:absolute;right:-1px;top:-4px;width:8px;height:8px;border-top:1px solid var(--line-2);border-right:1px solid var(--line-2);transform:rotate(45deg)}
.fig-chat{display:grid;gap:8px}
.bubble{font-size:13px;line-height:1.75;padding:9px 13px;max-width:92%;border:1px solid var(--line-2);background:#fff;color:var(--body)}
.bubble.ai{border-radius:2px 14px 14px 14px}
.bubble.me{justify-self:end;background:var(--accent-soft);border-color:transparent;border-radius:14px 2px 14px 14px;color:var(--indigo)}
.fig-meta{display:grid;grid-template-columns:1fr 1fr;gap:20px 36px;margin:30px 0 0;padding-top:20px;border-top:1px solid var(--line-2)}
.fig-meta dt{font-family:var(--latin);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:500}
.fig-meta dd{margin:4px 0 0;font-size:14px;line-height:1.85;color:var(--body)}
.fig-dialog .mock-note{margin-top:22px;text-align:left}

@media(max-width:700px){
  .feat{padding-right:16px}
  .feat .fig-hint{display:none}
  .fig-modal{padding:0;align-items:end}
  .fig-dialog{width:100%;max-height:92vh;border-left:0;border-right:0;border-bottom:0;transform:translateY(40px);padding:28px 20px 28px}
  .fig-close{top:8px;right:8px}
  .fig-flow{grid-template-columns:1fr;gap:18px}
  .fig-mid{flex-direction:row;justify-content:flex-start;gap:12px;padding:6px 0;min-width:0}
  .fig-mid .fig-verb{margin:0;max-width:none;text-align:left}
  .fig-line{top:auto;bottom:0;left:0;right:0;height:1px}
  .fig-line:after{display:none}
  .fig-meta{grid-template-columns:1fr;gap:14px}
}
@media(prefers-reduced-motion:reduce){.fig-backdrop,.fig-dialog,.feat,.feat .fig-arr{transition:none}}

/* Figure building blocks (shared by the 15 feature figures) */
.fig-flow .el.void.static{cursor:default}
.fig-flow .el.void.static > .sym{font-size:13px}
.fig-flow .el .ct .up{color:var(--accent)}
.pill.warn,.el .ct b.pill.warn{border-color:var(--accent);color:var(--accent)}
.fig-doc{border:1px solid var(--line-2);background:#fff;padding:12px 14px;font-size:13px;line-height:1.8;color:var(--body)}
.fig-doc-k{display:block;font-family:var(--latin);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.fig-doc-c{display:block;margin-top:6px;color:var(--muted);font-size:12.5px}
.fig-doc mark{background:var(--accent-soft);color:var(--indigo);padding:0 2px}
.fig-doc.notice{border-color:var(--accent);background:var(--accent-soft)}
.fig-doc.notice b{color:var(--indigo);font-weight:500}
.fig-stack .fig-doc + .fig-doc{margin-top:0}
.fig-tiles{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.fig-tiles.three{grid-template-columns:repeat(3,1fr);margin-bottom:7px}
.fig-tiles > div{border:1px solid var(--line-2);background:#fff;padding:10px 12px}
.fig-tiles b{display:block;font-family:var(--latin);font-size:24px;line-height:1.1;color:var(--indigo);font-weight:500}
.fig-tiles span{display:block;font-size:11.5px;line-height:1.5;color:var(--muted);margin-top:4px}
.fig-tiles > div.gap{border:1px dashed var(--accent);background:var(--accent-soft)}
.fig-tiles > div.gap b{color:var(--accent)}
.fig-map{display:flex;gap:4px;height:112px}
.fig-map i{font-style:normal;display:flex;flex-direction:column;justify-content:space-between;padding:8px;border:1px solid var(--line-2);background:#fff;min-width:0;overflow:hidden}
.fig-map i b{font-size:11px;font-weight:500;color:var(--indigo);white-space:nowrap}
.fig-map i span{font-family:var(--latin);font-size:18px;color:var(--indigo)}
.fig-map i.low{border:1px dashed var(--accent);background:var(--accent-soft)}
.fig-map i.low span{color:var(--accent)}
.fig-steps{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;font-size:11.5px;color:var(--muted)}
.fig-steps span{padding:3px 9px;border:1px solid var(--line-2);border-radius:999px;background:#fff;position:relative}
.fig-steps span + span:before{content:'→';position:absolute;left:-10px;top:3px;color:var(--line-2);font-family:var(--latin)}
.fig-steps span.on{border-color:var(--indigo);background:var(--indigo);color:var(--ivory)}
.fig-flow .fig-count + .fig-count{margin-top:6px}
@media(max-width:700px){.fig-map{height:96px}.fig-tiles b{font-size:21px}}

/* Career figure: report block, follow-up chips, extra row */
.fig-report{border:1px solid var(--line-2);background:#fff}
.fig-report .rp{display:grid;grid-template-columns:96px minmax(0,1fr);gap:4px 12px;padding:9px 12px;border-bottom:1px solid var(--line);font-size:12.5px;line-height:1.65;color:var(--body)}
.fig-report .rp:last-child{border-bottom:0}
.fig-report .rk{font-family:var(--latin);font-size:11px;letter-spacing:.1em;color:var(--muted);padding-top:2px}
.fig-report .rp small{display:block;font-size:11.5px;color:var(--muted)}
.fig-report .rp-row{display:flex;justify-content:space-between;align-items:center;gap:8px}
.fig-report .rp-row + .rp-row{margin-top:4px}
.fig-extra{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:26px;padding-top:22px;border-top:1px dashed var(--line-2)}
.fig-chips{display:flex;flex-wrap:wrap;gap:6px}
.fig-chips span{font-size:12px;line-height:1.5;padding:5px 11px;border:1px solid var(--line-2);border-radius:999px;background:#fff;color:var(--indigo)}
.fig-doc.notice.slim{margin-top:22px;font-size:12.5px}
@media(max-width:700px){.fig-report .rp{grid-template-columns:1fr}.fig-extra{grid-template-columns:1fr;gap:20px}}