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}
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.history-page{background:var(--ink);color:var(--paper)}.history-content{background:var(--ink)}.history-origin{display:grid;grid-template-columns:.8fr 1.2fr;gap:7vw;align-items:start;padding-bottom:100px;border-bottom:1px solid var(--line-dark)}.origin-facts{display:flex;flex-direction:column;border-top:1px solid var(--line-dark)}.origin-facts span{padding:15px 0;border-bottom:1px solid var(--line-dark);color:#bcb3a8;font-size:11px;letter-spacing:.12em}.history-origin p{color:#aaa298;max-width:720px}.succession{padding:95px 0;border-bottom:1px solid var(--line-dark)}.succession header{display:grid;grid-template-columns:.8fr 1.2fr;gap:7vw;align-items:end;margin-bottom:50px}.succession header small{font-size:8px;letter-spacing:.25em;color:var(--brass)}.succession header p{color:#aaa298;font-size:12px}.succession ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(7,1fr);border:1px solid var(--line-dark)}.succession li{padding:30px 12px;border-right:1px solid var(--line-dark);position:relative;text-align:center}.succession li:last-child{border:0}.succession li:not(:last-child)::after{content:"→";position:absolute;right:-8px;top:50%;transform:translateY(-50%);background:var(--ink);color:var(--brass);z-index:2;padding:0 2px}.succession li span{font-family:var(--serif);font-size:17px}.timeline-entry{display:grid;grid-template-columns:240px 1fr;gap:60px;padding:100px 0;border-bottom:1px solid var(--line-dark)}.timeline-year{font-family:var(--serif);font-size:44px;color:#d2c5b3;position:sticky;top:120px;height:max-content}.timeline-year small{display:block;font-family:var(--sans);font-size:8px;letter-spacing:.2em;color:var(--brass)}.timeline-copy h3{font-family:var(--serif);font-size:39px;font-weight:500;margin:0 0 15px}.timeline-copy p{color:#aaa298;max-width:800px}.history-media{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:38px}.history-media.single{grid-template-columns:1fr}.history-media figure{margin:0}.history-media img{width:100%;height:390px;object-fit:cover;filter:grayscale(.2) saturate(.58)}.history-media figcaption{color:#8f887f}
.association-feature{display:grid;grid-template-columns:.78fr 1.22fr;gap:7vw;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:75px 0;margin-bottom:100px}.association-name small{font-size:8px;letter-spacing:.22em;color:var(--brass)}.association-name h2{font-size:clamp(38px,5vw,68px)}.association-name p{color:var(--muted)}.association-activities{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.association-activities article{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.association-activities span{color:var(--brass);font-family:var(--serif)}.association-activities h3{font-family:var(--serif);font-size:22px;font-weight:500;margin:9px 0}.association-activities p{color:var(--muted);font-size:11px}.association-note{max-width:900px}.association-note p{color:var(--muted)}
.company-identity{display:grid;grid-template-columns:.8fr 1.2fr;gap:8vw;align-items:end;margin-bottom:100px}.company-identity p{color:var(--muted);font-size:15px}.company-data{border-top:1px solid var(--line);margin-bottom:110px}.company-data dl{margin:0}.company-data dl>div{display:grid;grid-template-columns:240px 1fr;border-bottom:1px solid var(--line);padding:20px 0}.company-data dt{font-size:10px;color:var(--muted)}.company-data dd{margin:0;font-family:var(--serif);font-size:18px}.company-data small{font-family:var(--sans);font-size:9px;color:var(--muted)}.company-gallery{display:grid;grid-template-columns:1.3fr .7fr;grid-template-rows:1fr 1fr;gap:14px;margin-bottom:110px}.company-gallery figure{margin:0;position:relative}.company-gallery figure.large{grid-row:1/3}.company-gallery img{width:100%;height:100%;min-height:300px;object-fit:cover}.company-principle{padding:80px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.company-principle blockquote{font-family:var(--serif);font-size:clamp(31px,4vw,58px);line-height:1.45;margin:0 0 30px}.company-principle p{color:var(--muted)}
.contact-page{min-height:100vh}.contact-hero{padding:165px 5vw 70px;max-width:var(--max);margin:auto}.contact-hero h1{font-family:var(--serif);font-size:clamp(58px,8vw,110px);font-weight:500;line-height:1;margin:0}.contact-hero p{color:var(--muted)}.contact-content{padding-top:40px}.contact-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:8vw}.contact-intro p{color:var(--muted)}.contact-intro dl{border-top:1px solid var(--line);margin-top:40px}.contact-intro dl div{display:grid;grid-template-columns:100px 1fr;padding:14px 0;border-bottom:1px solid var(--line);font-size:11px}.contact-intro dt{color:var(--muted)}.contact-intro dd{margin:0}.contact-form{border-top:1px solid var(--ink)}.field{display:grid;grid-template-columns:190px 1fr;gap:25px;border-bottom:1px solid var(--line);padding:19px 0}.field label{font-size:10px;padding-top:10px}.field label em{font-style:normal;color:var(--rust);font-size:8px}.field input,.field textarea,.field select{width:100%;border:0;border-bottom:1px solid #a9a198;background:transparent;padding:9px 3px;color:var(--ink);outline:none}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brass)}.field small{grid-column:2;font-size:8px;color:var(--muted)}.submit{margin-top:28px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:14px 28px;letter-spacing:.13em;cursor:pointer}.submit:hover{background:var(--brass);border-color:var(--brass)}
.product-index-intro{display:grid;grid-template-columns:.9fr 1.1fr;gap:8vw;align-items:end;margin-bottom:70px}.product-index-intro p{color:var(--muted)}.product-tools{display:flex;align-items:end;justify-content:space-between;gap:30px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:40px}.product-tools label{font-size:9px;color:var(--muted);letter-spacing:.12em}.product-tools input{display:block;width:min(420px,70vw);margin-top:8px;border:0;border-bottom:1px solid var(--ink);background:transparent;padding:9px 0;color:var(--ink);outline:none}.product-status{font-size:9px;color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px 20px}.product-card.hidden{display:none}.product-card{border-bottom:1px solid var(--line);padding-bottom:22px}.product-card img{width:100%;height:300px;object-fit:cover;filter:saturate(.72)}.product-card div{padding:16px 2px}.product-card small{font-size:8px;color:var(--brass);letter-spacing:.18em}.product-card h3{font-family:var(--serif);font-size:23px;font-weight:500;margin:5px 0}.product-card p{color:var(--muted);font-size:11px;margin:0 0 8px}.product-card span{font-size:8px;color:#9a9288}.empty-result{text-align:center;padding:80px;color:var(--muted)}
.site-footer{border-top:1px solid var(--line-dark);padding:38px 4vw;display:flex;justify-content:space-between;gap:30px;color:#8f887f;background:var(--ink);font-size:8px;letter-spacing:.12em}.site-footer strong{color:var(--paper);font-family:var(--serif);font-size:14px;font-weight:500;display:block;margin-bottom:5px}.site-footer span{display:block}.footer-note{text-align:right}
@media(max-width:1260px){.desktop-nav{display:none}.menu-button{display:block}.site-header{height:76px}.inner{padding-top:76px}.section-nav{top:76px}.home-stage{padding-top:76px}.mobile-open .desktop-nav{display:flex;position:fixed;z-index:250;inset:76px 0 0;background:#0a0a09;flex-direction:column;align-items:stretch;gap:0;padding:25px;overflow:auto}.mobile-open .desktop-nav a{font-family:var(--serif);font-size:22px;padding:18px;border-bottom:1px solid var(--line-dark);color:var(--paper)}.home{overflow:auto}.home-stage{height:auto;min-height:100svh;grid-template-columns:1fr}.time-image{height:70svh;min-height:520px}.door-nav{border-left:0;border-top:1px solid var(--line-dark)}.door{min-height:82px;flex:none}.door-head{height:85px}.inner-hero{min-height:560px;height:auto}.inner-hero-content{grid-template-columns:1fr}.hero-facts{border-left:0;border-top:1px solid rgba(241,237,229,.34);padding:18px 0 0;grid-template-columns:repeat(3,1fr)}.process-grid{grid-template-columns:1fr 1fr}.project-grid,.product-grid{grid-template-columns:1fr 1fr}.succession ol{grid-template-columns:repeat(4,1fr)}.succession li:nth-child(4){border-right:0}.succession li:nth-child(-n+4){border-bottom:1px solid var(--line-dark)}.succession li:nth-child(4)::after{display:none}}
@media(max-width:820px){.brand-text{font-size:14px}.brand-text small{display:none}.content{padding:80px 22px 100px}.inner-hero{padding:130px 22px 45px}.inner-hero h1{font-size:49px}.hero-facts{grid-template-columns:1fr 1fr;min-width:0}.home-copy{left:22px;right:22px;bottom:88px}.home-title{font-size:36px}.home-concept{font-size:16px}.foundation{left:22px;top:98px;font-size:8px}.time-control{left:22px}.lens-note{display:none}.door-head,.door{padding-left:20px;padding-right:20px}.feature-split,.scope-statement,.section-heading,.product-callout,.intro-grid,.factory-feature,.project-intro,.history-origin,.succession header,.association-feature,.company-identity,.product-index-intro,.contact-layout{grid-template-columns:1fr}.feature-image img{height:430px}.visual-triptych{grid-template-columns:1fr}.visual-triptych img{height:320px}.scope-statement{padding:45px 25px}.process-grid{grid-template-columns:1fr}.business-list summary{grid-template-columns:42px 1fr auto}.business-list summary small{display:none}.business-detail{grid-template-columns:1fr;padding-left:42px}.business-detail img{height:300px}.compare{height:470px}.project-grid,.product-grid{grid-template-columns:1fr}.timeline-entry{grid-template-columns:1fr;gap:20px}.timeline-year{position:static}.history-media{grid-template-columns:1fr}.succession ol{grid-template-columns:1fr 1fr}.succession li:nth-child(2n){border-right:0}.succession li{border-bottom:1px solid var(--line-dark)}.succession li::after{display:none}.association-activities{grid-template-columns:1fr}.company-data dl>div{grid-template-columns:1fr;gap:6px}.company-gallery{grid-template-columns:1fr;grid-template-rows:auto}.company-gallery figure.large{grid-row:auto}.contact-hero{padding:130px 22px 50px}.field{grid-template-columns:1fr;gap:6px}.field small{grid-column:1}.product-tools{align-items:stretch;flex-direction:column}.section-nav{overflow:auto;justify-content:flex-start}.section-nav a{white-space:nowrap}.site-footer{flex-direction:column;padding:32px 22px}.footer-note{text-align:left}}
@media(max-width:520px){.brand{min-width:0}.brand-mark{width:31px;height:31px}.brand-text{font-size:12px}.home-stage{min-height:0}.time-image{height:68svh;min-height:500px}.home-title{font-size:31px}.door-label b{font-size:18px}.door{grid-template-columns:30px 1fr auto}.inner-hero h1{font-size:42px}.hero-facts{grid-template-columns:1fr}.feature-image img{height:350px}.process-grid img{height:220px}.project-image img,.product-card img{height:260px}.timeline-copy h3{font-size:30px}.history-media img{height:310px}.company-principle blockquote{font-size:29px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.transition{display:none}.project-image img,.visual-triptych img{transition:none}}

/* PROTOTYPE 05 — top visual: three independent sash-like panes */
.era-panels{position:absolute;inset:0;z-index:1;display:flex;background:#050504;overflow:hidden}
.era-panel{position:relative;flex:.72 1 0;margin:0;min-width:0;overflow:hidden;border-right:5px solid rgba(8,8,7,.92);transition:flex .85s cubic-bezier(.2,.72,.08,1);cursor:crosshair;outline:none}
.era-panel:last-child{border-right:0}
.era-panel.is-active{flex:2.25 1 0}
.era-panel img{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:cover;transform:scale(1.035);transition:transform 1.05s cubic-bezier(.2,.72,.08,1),filter .7s ease;filter:saturate(.54) contrast(1.07)}
.era-panel.is-active img{transform:scale(1);filter:saturate(.79) contrast(1.05)}
.era-old img{filter:grayscale(1) sepia(.08) contrast(1.13);object-position:52% center}
.era-old.is-active img{filter:grayscale(.88) sepia(.09) contrast(1.12)}
.era-building img{object-position:52% center}
.era-work img{object-position:center center}
.era-panel::before{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(90deg,rgba(4,4,3,.28),transparent 55%,rgba(4,4,3,.24)),linear-gradient(0deg,rgba(4,4,3,.62),transparent 55%);pointer-events:none}
.era-panel figcaption{position:absolute;z-index:5;left:18px;top:26px;display:flex;align-items:center;gap:10px;white-space:nowrap;color:rgba(241,237,229,.58);transform-origin:left top;transition:color .45s ease,transform .6s ease}
.era-panel figcaption small{font-size:7px;letter-spacing:.24em;color:#c2a779}
.era-panel figcaption b{font-family:var(--serif);font-size:12px;font-weight:500;letter-spacing:.11em}
.era-panel:not(.is-active) figcaption{writing-mode:vertical-rl;transform:translateX(2px)}
.era-panel.is-active figcaption{color:rgba(241,237,229,.86)}
.era-panels::before,.era-panels::after{content:"";position:absolute;z-index:6;left:0;right:0;height:4px;background:rgba(8,8,7,.88);pointer-events:none}
.era-panels::before{top:31%}.era-panels::after{top:76%}
.time-image .frame-grid{background:linear-gradient(90deg,transparent 0,transparent 99.75%,rgba(8,8,7,.35) 99.75%);opacity:.25;mix-blend-mode:multiply}
.time-image .home-copy,.time-image .foundation{pointer-events:none}
.panel-note{position:absolute;z-index:10;right:22px;bottom:22px;writing-mode:vertical-rl;font-size:8px;letter-spacing:.18em;color:rgba(241,237,229,.57)}
.era-panel{animation:eraOpen 1.05s cubic-bezier(.2,.72,.08,1) both}
.era-panel:nth-child(2){animation-delay:.07s}.era-panel:nth-child(3){animation-delay:.14s}
@keyframes eraOpen{from{flex-basis:2px;opacity:.25}to{opacity:1}}

/* Japanese headings: intentional lines only, no accidental mid-word breaks */
.inner-hero h1,.scope-statement h2,.product-name h2,.timeline-copy h3{word-break:keep-all;overflow-wrap:normal;text-wrap:balance}
.front-hero-title>span{display:block;white-space:nowrap}
.scope-statement{grid-template-columns:minmax(410px,.9fr) minmax(0,1.1fr)}
.scope-title{font-size:clamp(31px,3.65vw,55px)!important;line-height:1.34!important}
.scope-title>span{display:block;white-space:nowrap}
.product-callout{grid-template-columns:minmax(350px,.92fr) minmax(0,1.08fr);gap:6vw;align-items:center}
.product-name h2{margin:11px 0;line-height:1.02}
.product-name h2 span{display:block}
.product-brand{font-size:clamp(47px,5.2vw,76px);letter-spacing:.025em;white-space:nowrap}
.product-series{font-size:clamp(38px,4.25vw,62px);letter-spacing:.045em;white-space:nowrap;margin-top:14px}

/* Paired before / after project card */
.project-image-pair{display:grid;grid-template-columns:1fr 1fr;height:320px;background:#aaa}
.project-image-pair figure{position:relative;margin:0;overflow:hidden;min-width:0}
.project-image-pair figure:first-child{border-right:2px solid var(--paper)}
.project-image-pair img{width:100%;height:100%!important;object-fit:cover;filter:saturate(.65)}
.project-image-pair em{position:absolute;left:9px;top:9px;z-index:2;background:rgba(22,22,19,.83);color:#fff;padding:4px 7px;font-size:7px;font-style:normal;letter-spacing:.16em}
.project-card:hover .project-image-pair img{transform:scale(1.025);filter:saturate(.92)}

@media(max-width:1260px){
  .era-panel{flex:.75 1 0}.era-panel.is-active{flex:1.95 1 0}
  .panel-note{display:none}
}
@media(max-width:820px){
  .era-panels{display:grid;grid-template-columns:24% 24% 52%}
  .era-panel,.era-panel.is-active{flex:none;border-right:3px solid rgba(8,8,7,.92)}
  .era-panel figcaption,.era-panel:not(.is-active) figcaption{writing-mode:vertical-rl;transform:none;left:10px;top:18px}
  .era-panel figcaption b{font-size:10px}
  .scope-statement{grid-template-columns:1fr}
  .scope-title{font-size:clamp(31px,9vw,48px)!important}
  .product-callout{grid-template-columns:1fr}
  .product-series{font-size:clamp(37px,11vw,58px)}
  .project-image-pair{height:310px}
}
@media(max-width:520px){
  .era-panels{grid-template-columns:19% 21% 60%}
  .era-panel figcaption b{display:none}
  .era-panel figcaption small{font-size:6px}
  .front-hero-title>span{white-space:normal}
  .scope-title>span{white-space:normal}
  .product-brand{font-size:43px}.product-series{font-size:36px}
  .project-image-pair{height:270px}
}
@media(prefers-reduced-motion:reduce){.era-panel{animation:none;transition:none}.era-panel img{transition:none}}

/* Prototype 07 — one current photograph, one historic photograph, nine sash panes. */
.interactive-history .now{
  background-image:linear-gradient(90deg,rgba(5,5,4,.05),rgba(5,5,4,.52)),url('assets/current-hero.webp');
  background-position:center;
  filter:saturate(.7) contrast(1.07);
}
.interactive-history .pane-history-layer{
  background-image:linear-gradient(90deg,rgba(4,4,3,.06),rgba(4,4,3,.58)),url('assets/postwar-store-street.webp');
  background-position:center;
  filter:grayscale(1) sepia(.08) contrast(1.1);
  clip-path:polygon(0 0,0 0,0 0,0 0);
  transition:clip-path .28s cubic-bezier(.2,.7,.1,1),opacity .28s ease;
  opacity:0;
  z-index:2;
}
.interactive-history.has-active-pane .pane-history-layer{opacity:1}
.pane-hit-grid{
  position:absolute;inset:0;z-index:8;
  display:grid;
  grid-template-columns:23% 33% 44%;
  grid-template-rows:24% 45% 31%;
}
.pane-hit{
  appearance:none;border:0;background:transparent;padding:0;margin:0;cursor:crosshair;
  outline:none;
}
.pane-hit:focus-visible{box-shadow:inset 0 0 0 2px rgba(194,167,121,.85)}
.interactive-history .frame-grid{z-index:7;opacity:.6}
.interactive-history::after{z-index:3;pointer-events:none}
.interactive-history .foundation,.interactive-history .home-copy,.interactive-history .panel-note{z-index:10}
.panel-note{position:absolute;right:24px;bottom:24px;font-size:8px;letter-spacing:.18em;color:rgba(241,237,229,.62);writing-mode:vertical-rl;z-index:10}
@media(max-width:820px){.panel-note{display:none}.pane-hit{cursor:pointer}}


/* Prototype 08 — interaction follows the sash already visible in the photograph. */
.interactive-history .frame-grid{display:none!important}
.interactive-history .pane-history-layer{
  background-image:linear-gradient(90deg,rgba(4,4,3,.08),rgba(4,4,3,.48)),url('assets/postwar-store-street.webp');
  background-size:cover;
  background-position:center;
  filter:grayscale(1) sepia(.06) contrast(1.08);
  clip-path:polygon(0 0,0 0,0 0,0 0);
  opacity:0;
  z-index:4;
  transition:clip-path .22s cubic-bezier(.2,.7,.1,1),opacity .18s ease;
}
.interactive-history.has-active-pane .pane-history-layer{opacity:1}
.pane-hit-grid{
  position:absolute;
  left:31.2%;top:24.5%;width:35%;height:64.3%;
  z-index:8;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:14.7fr 28.3fr 21.3fr;
  pointer-events:auto;
}
.pane-hit{
  appearance:none;border:0;background:transparent;padding:0;margin:0;cursor:pointer;
  outline:none;position:relative;
}
.pane-hit::after{
  content:"";position:absolute;inset:4px;
  border:1px solid transparent;
  background:linear-gradient(135deg,rgba(255,255,255,.035),transparent 60%);
  opacity:0;transition:opacity .18s,border-color .18s;
}
.pane-hit:hover::after,.pane-hit:focus-visible::after,.pane-hit.is-active::after{
  opacity:1;border-color:rgba(220,207,184,.28);
}
.interactive-history::after{z-index:5;pointer-events:none}
.interactive-history .foundation,.interactive-history .home-copy,.interactive-history .panel-note{z-index:10}
@media(max-width:820px){
  .pane-hit-grid{left:29%;top:25%;width:39%;height:63%}
  .pane-hit::after{inset:2px}
}

/* Prototype 09 — the full photograph is one image, divided by the prototype 05 sash grid. */
.interactive-history .now{
  background-image:linear-gradient(90deg,rgba(5,5,4,.05),rgba(5,5,4,.52)),url('assets/current-hero.webp')!important;
  background-size:cover!important;
  background-position:center!important;
  filter:saturate(.7) contrast(1.07)!important;
}
.interactive-history .pane-history-layer{
  background-image:linear-gradient(90deg,rgba(4,4,3,.06),rgba(4,4,3,.58)),url('assets/postwar-store-street.webp')!important;
  background-size:cover!important;
  background-position:center!important;
  filter:grayscale(1) sepia(.08) contrast(1.1)!important;
  clip-path:inset(0 100% 100% 0);
  opacity:0!important;
  z-index:4!important;
  transition:clip-path .18s cubic-bezier(.2,.7,.1,1),opacity .14s ease!important;
}
.interactive-history.has-active-pane .pane-history-layer{opacity:1!important}
.interactive-history .frame-grid{
  display:block!important;
  position:absolute!important;
  inset:0!important;
  z-index:7!important;
  pointer-events:none!important;
  opacity:1!important;
  mix-blend-mode:normal!important;
  background:
    linear-gradient(90deg,
      transparent 0,
      transparent calc(23% - 2.5px),
      rgba(8,8,7,.92) calc(23% - 2.5px),
      rgba(8,8,7,.92) calc(23% + 2.5px),
      transparent calc(23% + 2.5px),
      transparent calc(56% - 2.5px),
      rgba(8,8,7,.92) calc(56% - 2.5px),
      rgba(8,8,7,.92) calc(56% + 2.5px),
      transparent calc(56% + 2.5px),
      transparent 100%),
    linear-gradient(0deg,
      transparent 0,
      transparent calc(24% - 2px),
      rgba(8,8,7,.88) calc(24% - 2px),
      rgba(8,8,7,.88) calc(24% + 2px),
      transparent calc(24% + 2px),
      transparent calc(69% - 2px),
      rgba(8,8,7,.88) calc(69% - 2px),
      rgba(8,8,7,.88) calc(69% + 2px),
      transparent calc(69% + 2px),
      transparent 100%)!important;
}
/* CSS gradients run from the bottom; 24% and 69% correspond to top lines at 76% and 31%. */
.pane-hit-grid{
  position:absolute!important;
  inset:0!important;
  left:0!important;top:0!important;width:auto!important;height:auto!important;
  z-index:8!important;
  display:grid!important;
  grid-template-columns:23% 33% 44%!important;
  grid-template-rows:31% 45% 24%!important;
  pointer-events:auto!important;
}
.pane-hit{
  appearance:none!important;
  border:0!important;
  background:transparent!important;
  padding:0!important;
  margin:0!important;
  cursor:crosshair!important;
  outline:none!important;
  position:relative!important;
}
.pane-hit::after{
  content:""!important;
  position:absolute!important;
  inset:5px!important;
  border:1px solid transparent!important;
  background:linear-gradient(135deg,rgba(255,255,255,.025),transparent 62%)!important;
  opacity:0!important;
  transition:opacity .14s ease,border-color .14s ease!important;
}
.pane-hit:hover::after,.pane-hit:focus-visible::after,.pane-hit.is-active::after{
  opacity:1!important;
  border-color:rgba(220,207,184,.20)!important;
}
.interactive-history::after{z-index:5!important;pointer-events:none!important}
.interactive-history .foundation,.interactive-history .home-copy,.interactive-history .panel-note{z-index:10!important}
@media(max-width:820px){
  .pane-hit-grid{grid-template-columns:23% 33% 44%!important;grid-template-rows:31% 45% 24%!important}
  .pane-hit{cursor:pointer!important}
  .pane-hit::after{inset:3px!important}
}

/* PROTOTYPE 10 — archival history and the same gold-letter glass installed three times. */
.history-hero .hero-bg{background-position:center 58%}
.prewar-archive{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(240px,.65fr);grid-template-rows:auto auto;gap:14px;margin-top:42px}
.prewar-archive figure{margin:0;min-width:0;position:relative;overflow:hidden;background:#0d0c0b;border:1px solid var(--line-dark)}
.prewar-archive img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) sepia(.04) contrast(1.08)}
.prewar-main{grid-row:1 / span 2;min-height:600px}
.prewar-side{min-height:292px}
.prewar-truck{min-height:292px}
.prewar-archive figcaption{position:absolute;left:0;right:0;bottom:0;margin:0;padding:14px 16px 13px;background:linear-gradient(0deg,rgba(8,8,7,.94),rgba(8,8,7,.12));font-size:9px;line-height:1.7;letter-spacing:.08em;color:#bcb3a8}
.prewar-truck figcaption{font-size:8px}
.ceremony-pair figure:first-child{grid-column:1 / -1}
.ceremony-pair figure:first-child img{height:520px}
.ceremony-pair figure:last-child{max-width:760px}

.glass-legacy{margin-top:130px;padding-top:110px;border-top:1px solid var(--line-dark)}
.glass-legacy-head{display:grid;grid-template-columns:minmax(320px,.82fr) minmax(0,1.18fr);gap:8vw;align-items:end;margin-bottom:74px}
.glass-legacy-head h2{font-family:var(--serif);font-weight:500;font-size:clamp(46px,6vw,88px);line-height:1.18;letter-spacing:.045em;margin:0;word-break:keep-all}
.glass-legacy-intro{max-width:780px;color:#aaa298;font-size:14px}
.glass-legacy-intro p{margin:0 0 1.35em}
.glass-legacy-steps{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-dark)}
.glass-era{display:grid;grid-template-columns:minmax(235px,.38fr) minmax(0,1.62fr);gap:4vw;padding:72px 0;border-bottom:1px solid var(--line-dark);position:relative}
.glass-era::before{content:"";position:absolute;left:calc(235px + 2vw);top:0;bottom:0;width:1px;background:linear-gradient(180deg,transparent,var(--brass) 18%,var(--brass) 82%,transparent);opacity:.35}
.glass-era-label{position:relative;padding-right:20px;align-self:start;position:sticky;top:120px}
.glass-era-label>span{display:block;font-family:var(--serif);font-size:68px;line-height:1;color:#554b3d;margin-bottom:15px}
.glass-era-label small{display:block;font-size:7px;letter-spacing:.25em;color:var(--brass);margin-bottom:13px}
.glass-era-label h3{font-family:var(--serif);font-size:clamp(27px,3.1vw,46px);font-weight:500;line-height:1.34;margin:0 0 14px;word-break:keep-all}
.glass-era-label p{color:#928a80;font-size:11px;margin:0;max-width:260px}
.glass-era-visual,.office-glass-mosaic,.current-glass-pair{min-width:0}
.old-glass-visual{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(230px,.58fr);gap:12px;align-items:stretch}
.old-glass-visual figure{margin:0;position:relative;overflow:hidden;background:#0b0a09}
.old-glass-visual img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) sepia(.03) contrast(1.08)}
.old-glass-visual .glass-full{min-height:540px}
.old-glass-visual .glass-detail{min-height:540px;border:1px solid rgba(140,117,84,.42)}
.old-glass-visual .glass-detail::after{content:"初代の納まり";position:absolute;right:14px;top:14px;padding:6px 9px;background:rgba(8,8,7,.84);color:#c3a77d;font-size:7px;letter-spacing:.16em}
.old-glass-visual figcaption{position:absolute;left:14px;bottom:13px;background:rgba(8,8,7,.82);padding:6px 9px;color:#d7cdbf;font-size:8px;letter-spacing:.12em}
.office-glass-mosaic{display:grid;grid-template-columns:1.18fr .72fr .72fr;grid-template-rows:310px 310px;gap:10px}
.office-glass-mosaic figure{margin:0;overflow:hidden;background:#0a0908;position:relative}
.office-glass-mosaic .office-main{grid-row:1 / span 2}
.office-glass-mosaic figure:last-child{grid-column:2 / span 2}
.office-glass-mosaic img{width:100%;height:100%;object-fit:cover;filter:saturate(.72) contrast(1.03)}
.office-glass-mosaic figure::after{content:"";position:absolute;inset:0;border:1px solid rgba(241,237,229,.08);pointer-events:none}
.current-glass-pair{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:12px}
.current-glass-pair figure{margin:0;overflow:hidden;background:#090807;position:relative}
.current-glass-pair img{width:100%;height:620px;object-fit:cover;filter:saturate(.78) contrast(1.04)}
.current-glass-pair .current-main img{object-position:center}
.current-glass-pair figure::after{content:"三度目の建具";position:absolute;right:14px;top:14px;padding:6px 9px;background:rgba(8,8,7,.84);color:#c3a77d;font-size:7px;letter-spacing:.16em}
.current-glass-pair figure:last-child::after{display:none}

.association-hero .hero-bg{background-position:center 33%;filter:saturate(.68) contrast(1.04)}
.association-archive{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(310px,.8fr);gap:7vw;align-items:center;margin-bottom:120px;padding:65px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.association-archive figure{margin:0}
.association-archive img{width:100%;height:560px;object-fit:cover;filter:saturate(.76) contrast(1.03)}
.association-archive figcaption{font-size:9px;color:var(--muted);letter-spacing:.1em;margin-top:11px}
.association-archive-copy h2{font-family:var(--serif);font-weight:500;font-size:clamp(38px,4.5vw,68px);line-height:1.25;letter-spacing:.05em;margin:0 0 25px}
.association-archive-copy p{font-size:13px;color:var(--muted);margin:0 0 1.45em}

@media(max-width:1040px){
  .prewar-archive{grid-template-columns:1fr 1fr;grid-template-rows:auto auto}.prewar-main{grid-column:1 / -1;grid-row:auto;min-height:470px}.prewar-side,.prewar-truck{min-height:330px}
  .glass-era{grid-template-columns:210px 1fr}.glass-era::before{left:230px}.glass-era-label>span{font-size:56px}
  .old-glass-visual{grid-template-columns:1fr .7fr}.office-glass-mosaic{grid-template-columns:1fr 1fr;grid-template-rows:370px 260px 260px}.office-glass-mosaic .office-main{grid-column:1 / -1;grid-row:auto}.office-glass-mosaic figure:last-child{grid-column:1 / -1}
  .association-archive{grid-template-columns:1fr}.association-archive img{height:auto;max-height:680px}
}
@media(max-width:820px){
  .glass-legacy{margin-top:90px;padding-top:80px}.glass-legacy-head{grid-template-columns:1fr;gap:28px;margin-bottom:50px}
  .glass-era{grid-template-columns:1fr;gap:26px;padding:58px 0}.glass-era::before{display:none}.glass-era-label{position:static;padding:0}.glass-era-label>span{font-size:48px}.glass-era-label p{max-width:none}
  .old-glass-visual{grid-template-columns:1fr}.old-glass-visual .glass-full,.old-glass-visual .glass-detail{min-height:430px}
  .current-glass-pair{grid-template-columns:1fr}.current-glass-pair img{height:520px}
  .ceremony-pair figure:first-child img{height:390px}
}
@media(max-width:560px){
  .prewar-archive{grid-template-columns:1fr}.prewar-main,.prewar-side,.prewar-truck{grid-column:auto;min-height:300px}.prewar-side{min-height:420px}.prewar-archive figcaption{position:static;background:#0b0a09}
  .glass-legacy-head h2{font-size:43px}.old-glass-visual .glass-full{min-height:310px}.old-glass-visual .glass-detail{min-height:500px}
  .office-glass-mosaic{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:270px 330px 250px}.office-glass-mosaic .office-main{grid-column:1 / -1}.office-glass-mosaic figure:last-child{grid-column:1 / -1}
  .current-glass-pair img{height:430px}.association-archive{padding:45px 0;margin-bottom:80px}.association-archive img{height:330px}
}

/* Prototype 11: history timeline refinements */
.single-history-image{grid-template-columns:minmax(0,1fr);max-width:760px;margin-top:26px}
.single-history-image figure{width:100%}
.history-note{margin-top:10px;font-size:.78rem;letter-spacing:.04em;opacity:.62}


/* Prototype 12: corrected 1944/1946 chronology and equal horizontal ceremony photographs. */
.ceremony-pair{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:start}
.ceremony-pair figure:first-child{grid-column:auto}
.ceremony-pair figure:last-child{max-width:none}
.ceremony-pair img,.ceremony-pair figure:first-child img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
@media(max-width:820px){
  .ceremony-pair{grid-template-columns:1fr}
  .ceremony-pair img,.ceremony-pair figure:first-child img{height:auto;aspect-ratio:16/9}
}

/* Prototype 14 — official inherited logotype and a more deliberate historic hero crop. */
.brand{min-width:280px;gap:0}
.brand-logo{
  display:block;
  width:clamp(240px,17vw,300px);
  height:auto;
  opacity:.96;
  filter:drop-shadow(0 1px 8px rgba(0,0,0,.36));
}
.interactive-history .pane-history-layer{
  background-image:linear-gradient(90deg,rgba(4,4,3,.06),rgba(4,4,3,.58)),url('assets/old-store-hero.webp')!important;
  background-size:cover!important;
  background-position:center!important;
}
.single-history-image img{object-position:center 52%}
@media(max-width:1260px){
  .brand{min-width:0}
  .brand-logo{width:270px}
}
@media(max-width:820px){
  .brand-logo{width:235px}
}
@media(max-width:520px){
  .brand-logo{width:205px}
}

/* Prototype 16 — clearer archival source, restored past/present controls, and explicit mobile presentation. */
.interactive-history .pane-history-layer{
  background-image:linear-gradient(90deg,rgba(4,4,3,.05),rgba(4,4,3,.54)),url('assets/old-store-hero-clear.webp')!important;
  background-size:cover!important;
  background-position:center 48%!important;
  filter:grayscale(1) sepia(.035) contrast(1.055)!important;
  will-change:clip-path,opacity;
}
.interactive-history.show-past .pane-history-layer{
  clip-path:inset(0 0 0 0)!important;
  opacity:1!important;
}
.interactive-history.show-past .pane-hit-grid{pointer-events:none!important}
.time-control{z-index:14}
.time-control button{min-width:64px;transition:background-color .2s ease,color .2s ease}
.time-control button:focus-visible{outline:1px solid #c2a779;outline-offset:3px}

@media(max-width:820px){
  .time-image{height:74svh;min-height:560px}
  .home-copy{bottom:108px}
  .time-control{left:22px;bottom:24px}
  .time-control button{padding:10px 16px;font-size:9px}
  .interactive-history .now{background-position:54% center!important}
  .interactive-history .pane-history-layer{background-position:center center!important}
}
@media(max-width:520px){
  .time-image{height:72svh;min-height:560px}
  .home-copy{left:18px;right:18px;bottom:112px}
  .home-kicker{font-size:7px;letter-spacing:.22em;gap:10px;margin-bottom:14px}
  .home-kicker::before{width:34px}
  .home-title{font-size:clamp(29px,9vw,35px);line-height:1.3;letter-spacing:.045em}
  .home-concept{font-size:14px;letter-spacing:.09em;margin-top:15px}
  .time-control{left:18px;bottom:20px}
  .time-control button{min-width:68px;padding:10px 15px}
  .brand-logo{width:min(190px,60vw)}
  .site-header{padding-left:16px;padding-right:14px}
}
.home-title>span{display:block;white-space:nowrap}
@media(max-width:520px){
  .home-title{font-size:clamp(26px,7.15vw,30px);letter-spacing:.025em}
}

/* Prototype 18: manual three-image slider for the 1946 history entry */
.history-slider{max-width:760px;margin-top:26px}
.history-slider-window{position:relative;overflow:hidden;outline:none;touch-action:pan-y;user-select:none}
.history-slider-window:focus-visible{box-shadow:0 0 0 1px var(--brass)}
.history-slider-track{display:flex;will-change:transform;transition:transform .52s cubic-bezier(.22,.72,.22,1)}
.history-slide{flex:0 0 100%;margin:0}
.history-slide img{display:block;width:100%;height:390px;object-fit:cover;object-position:center 52%;filter:grayscale(.2) saturate(.58);pointer-events:none}
.history-slider-button{position:absolute;top:50%;z-index:2;width:44px;height:58px;border:1px solid rgba(230,221,207,.42);background:rgba(18,18,15,.68);color:#eee5d8;font-family:var(--serif);font-size:34px;line-height:1;display:grid;place-items:center;transform:translateY(-50%);cursor:pointer;transition:background .2s ease,border-color .2s ease,opacity .2s ease}
.history-slider-button:hover,.history-slider-button:focus-visible{background:rgba(18,18,15,.9);border-color:rgba(230,221,207,.82)}
.history-slider-prev{left:14px}
.history-slider-next{right:14px}
.history-slider-meta{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:16px;align-items:center;margin-top:9px;color:#8f887f}
.history-slider-caption{font-size:10px;letter-spacing:.06em}
.history-slider-count{font-size:10px;letter-spacing:.12em;white-space:nowrap}
.history-slider-count b{font-weight:400;color:#d2c5b3}
.history-slider-dots{display:flex;gap:7px;align-items:center}
.history-slider-dots button{width:20px;height:2px;padding:0;border:0;background:#575149;cursor:pointer;transition:width .25s ease,background .25s ease}
.history-slider-dots button.active{width:34px;background:#d2c5b3}
.history-slider-window.is-dragging .history-slider-track{transition:none}
@media(max-width:520px){
  .history-slider{max-width:none}
  .history-slide img{height:310px}
  .history-slider-button{width:38px;height:50px;font-size:30px}
  .history-slider-prev{left:8px}
  .history-slider-next{right:8px}
  .history-slider-meta{grid-template-columns:minmax(0,1fr) auto;gap:10px}
  .history-slider-dots{grid-column:1/-1;justify-content:flex-end}
}