@font-face{font-family:"Noto Sans JP";src:url("fonts/NotoSansJP.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:Inter;src:url('fonts/InterVariable.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
:root{--font:Inter,"Noto Sans JP",sans-serif;--ink:#17191d;--blue:#173ff2;--pink:#d80070;--muted:#646972;--line:#e6e8ec;--surface:#f6f7f9;--guide:#c8cdd6;--soft-blue:#173ff207;--white:#fff;--radius:20px;--gutter:clamp(18px,4.5vw,72px);--s1:8px;--s2:16px;--s3:24px;--s4:32px;--s5:48px;--s6:72px;color-scheme:light;font-family:var(--font);font-synthesis:none;font-optical-sizing:auto}
*,*::before,*::after{box-sizing:border-box}html{scrollbar-gutter:stable;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:var(--white);font:400 16px/1.7 var(--font);-webkit-text-size-adjust:100%;text-size-adjust:100%}body.dialog-open{overflow:hidden}button,input,select,textarea{font:inherit;color:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.35}button{background:none;border:0}button,a{-webkit-user-drag:none}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:4px}p{margin:0 0 16px}p:last-child{margin-bottom:0}h1,h2,h3{font-weight:450;line-height:1.18;letter-spacing:-.035em;margin:0;text-wrap:balance}h1{font-size:clamp(28px,3vw,38px)}h2{font-size:clamp(22px,2.2vw,28px)}h3{font-size:20px;line-height:1.35;letter-spacing:-.02em;font-weight:500}em{font-style:normal}strong,b{font-weight:600}small{font-size:13px}img,svg{display:block;max-width:100%}img{height:auto}svg{overflow:visible}figure,blockquote{margin:0}ul,ol{padding-left:22px;margin:0}li+li{margin-top:8px}dl,dd{margin:0}[hidden]{display:none!important}[inert]{pointer-events:none}.visually-hidden,.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:20px;top:-100px;z-index:100;background:white;padding:12px 20px;border:1px solid var(--blue);border-radius:12px}.skip-link:focus{top:12px}.icon{width:20px;height:20px;flex:0 0 20px;stroke:currentColor;stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}.blue{color:var(--blue)}.pink{color:var(--pink)}.muted{color:var(--muted)}.eyebrow{font-size:12px;line-height:1.6;font-weight:500;letter-spacing:.065em;color:var(--muted);margin-bottom:18px}.status{min-height:1.7em;color:var(--muted);font-size:13px}.reading-text{max-width:68ch}.lede{font-size:17px;line-height:1.65;color:var(--muted);max-width:60ch;margin:20px 0 0}
.site-header{max-width:1440px;margin:24px auto 0;padding:0 var(--gutter);position:relative;z-index:30}.header-inner{min-height:76px;border:1px solid var(--line);border-radius:18px;box-shadow:0 1px 5px #17191d08;display:grid;grid-template-columns:minmax(225px,1fr) auto minmax(260px,1fr);align-items:center;gap:24px;padding:10px 24px}.identity{display:flex;align-items:center;gap:15px;font-size:14px;font-weight:500;width:max-content;max-width:100%;letter-spacing:-.03em;min-height:44px}.identity img{width:36px;height:42px;object-fit:contain}.view-nav,.utility-nav{display:flex;align-items:center;gap:24px;font-size:13px;line-height:1.4}.view-nav a,.utility-nav>a{min-height:44px;display:inline-flex;align-items:center;position:relative;white-space:nowrap}.view-nav a[aria-current="true"]::after,.utility-nav>a[aria-current="page"]::after{content:"";position:absolute;width:4px;height:4px;border-radius:50%;background:var(--pink);bottom:4px;left:50%;transform:translateX(-50%)}.utility-nav{justify-content:flex-end;gap:22px}.header-date{display:flex;align-items:center;gap:8px;font-size:11px;white-space:nowrap;font-variant-numeric:tabular-nums}.header-date::before{content:"";width:5px;height:5px;background:var(--pink);border-radius:50%}.works-menu{position:relative;font-size:13px}.works-menu>summary{display:flex;align-items:center;gap:7px;min-height:44px;cursor:pointer;list-style:none}.works-menu>summary::-webkit-details-marker{display:none}.works-menu>summary::after,.fold>summary::after{content:"";display:block;width:7px;height:7px;border-right:1.5px solid var(--blue);border-bottom:1.5px solid var(--blue);transform:rotate(45deg);flex:0 0 7px;margin-top:-4px;transition:transform .18s}.works-menu[open]>summary::after,.fold[open]>summary::after{transform:rotate(225deg);margin-top:4px}.works-list{position:absolute;right:-14px;top:calc(100% + 5px);width:330px;max-width:calc(100vw - 36px);max-height:min(480px,65svh);overflow:auto;overscroll-behavior:contain;background:white;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 36px #17191d0d;padding:8px;list-style:none;z-index:45}.works-list li+li{margin:0}.works-list a{display:grid;grid-template-columns:26px 1fr 18px;align-items:center;gap:10px;padding:13px 10px;min-height:64px;border-radius:9px}.works-list a:hover,.works-list a:focus-visible{background:var(--surface)}.works-list a[aria-current="page"]{background:var(--surface)}.work-number{font-size:11px;color:var(--blue);font-variant-numeric:tabular-nums}.work-label{font-size:13px;font-weight:450}.work-label small{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-top:4px}.works-list .icon{width:16px;height:16px}.works-list a[aria-current="page"] .work-number{color:var(--pink)}
.page-shell{max-width:1384px;margin:auto;padding:0 var(--gutter)}.home-page .page-shell{max-width:1440px}.project-heading{padding:clamp(44px,6vw,80px) 0 40px;border-bottom:1px solid var(--line)}.project-heading h1{max-width:24ch}.meta-row{display:flex;flex-wrap:wrap;gap:20px 40px;margin-top:28px;font-size:13px;line-height:1.5}.meta-row>div{display:flex;gap:10px;align-items:baseline}.meta-row dt{color:var(--muted)}.meta-row dd{color:var(--ink)}.section-block{padding:clamp(36px,5vw,64px) 0;border-bottom:1px solid var(--line)}.section-heading{margin-bottom:28px;display:flex;justify-content:space-between;align-items:baseline;gap:24px}.section-heading .eyebrow{margin:0 0 12px}.section-heading>p{max-width:40ch;font-size:14px;color:var(--muted)}.section-body{min-width:0}.section-block:last-child{border-bottom:0}.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);min-width:0;overflow:clip}.panel-head,.panel-foot{padding:20px 24px;display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}.panel-head{border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.panel-foot{border-top:1px solid var(--line);font-size:13px}.panel-body{padding:clamp(20px,3vw,40px)}.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.triptych{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.stack{display:grid;gap:24px}.split>* , .triptych>*{min-width:0}.figure-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.image-button{display:block;padding:0;width:100%;background:white;border:0;border-radius:0;position:relative}.image-button::after{content:"+";position:absolute;right:12px;bottom:12px;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);background:white;color:var(--blue);display:grid;place-items:center;font-size:20px;line-height:1;font-weight:300;opacity:0;transition:opacity .2s}.image-button:hover::after,.image-button:focus-visible::after{opacity:1}.image-button img{width:100%;height:auto;object-fit:contain;max-height:520px}.figure-caption,figcaption{font-size:13px;line-height:1.6;color:var(--muted);margin-top:12px;max-width:65ch}.fold{border-top:1px solid var(--line);margin:0}.fold:last-child{border-bottom:1px solid var(--line)}.fold>summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:24px;cursor:pointer;min-height:58px;padding:16px 2px;font-size:15px;font-weight:450}.fold>summary::-webkit-details-marker{display:none}.fold-body{padding:4px 0 28px}.fold-body p{max-width:68ch}.fold-body h3{margin:24px 0 14px}.fold-body p,.fold-body li{font-size:15px;line-height:1.75}.fold-body .split{gap:40px}.fold-body>.figure-grid{margin-top:24px}.item-list{list-style:none;padding:0}.item-list>li,.item-row{padding:18px 0;border-bottom:1px solid var(--line);margin:0;min-width:0}.item-list a{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:44px}.item-list small{display:block;color:var(--muted);font-size:13px;margin-top:4px}.item-list .icon{color:var(--blue)}.button,.icon-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:10px 16px;border:1px solid var(--line);border-radius:999px;font-size:13px;font-weight:450;line-height:1.3;color:var(--ink);background:white;text-align:center;transition:border-color .18s,background .18s,color .18s;touch-action:manipulation}.button .icon,.icon-button .icon{color:var(--blue)}.button:hover,.icon-button:hover{background:var(--surface);border-color:#c8cfdf;color:var(--ink)}.button[aria-pressed="true"]{color:var(--ink);border-color:var(--pink);background:var(--white)}.icon-button{width:44px;min-width:44px;height:44px;padding:11px}.text-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-size:14px}.text-link .icon{color:var(--blue)}.reading-text a,.fold-body p a{color:var(--ink);text-decoration:underline;text-decoration-color:#adb7d9;text-underline-offset:4px}.reading-text a:hover,.fold-body p a:hover{text-decoration-color:var(--blue);color:var(--blue)}.metric-list{display:flex;gap:40px;flex-wrap:wrap}.metric-list>div{min-width:100px}.metric-list dt{font-size:13px;color:var(--muted);margin-top:8px}.metric-list dd{font-size:32px;line-height:1.2;letter-spacing:-.04em;color:var(--blue);font-variant-numeric:tabular-nums}.site-footer{max-width:1384px;margin:60px auto 28px;padding:0 var(--gutter);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;font-size:12px;line-height:1.6;color:var(--muted)}.site-footer>a{min-height:44px;display:flex;align-items:center}.home-page .site-footer{margin-top:24px}.colophon{border:0;font-size:11px}.colophon summary{cursor:pointer;list-style:none;min-height:44px;display:flex;align-items:center}.colophon p{max-width:52ch;margin:8px 0}.colophon a{text-decoration:underline;text-underline-offset:3px}
.image-dialog{padding:0;border:1px solid var(--line);border-radius:var(--radius);background:white;color:var(--ink);width:min(1120px,94vw);max-width:none;height:min(900px,92svh);max-height:92svh;overflow:hidden}.image-dialog[open]{display:flex;flex-direction:column}.image-dialog::backdrop{background:#17191d70;backdrop-filter:blur(3px)}.viewer-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 20px;border-bottom:1px solid var(--line);font-size:13px;flex:0 0 auto}.viewer-bar>div{display:flex;align-items:center;gap:8px}.viewer-field{min-height:0;flex:1;overflow:auto;padding:20px;display:flex;align-items:center;justify-content:center}.viewer-field img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.viewer-caption{padding:14px 20px;font-size:13px;color:var(--muted);margin:0;line-height:1.6;border-top:1px solid var(--line);flex:0 0 auto}.image-dialog[data-zoomed="true"] .viewer-field{display:block}.image-dialog[data-zoomed="true"] .viewer-field img{width:1100px;max-width:none;max-height:none;height:auto}
@media(max-width:1100px){.header-inner{grid-template-columns:minmax(190px,1fr) auto;gap:10px 20px}.view-nav{grid-column:1/3;grid-row:2;justify-content:center;gap:32px;border-top:1px solid var(--line);padding-top:4px}.utility-nav{grid-column:2;grid-row:1}.header-inner{padding:8px 20px}.header-date{font-size:10px}.site-header{margin-top:18px}.page-shell{max-width:100%}}
@media(max-width:760px){:root{--radius:16px}.site-header{margin-top:12px}.header-inner{padding:7px 14px;gap:0 12px;border-radius:16px;grid-template-columns:minmax(0,1fr) auto}.identity{font-size:12px;gap:8px}.identity img{width:25px;height:32px}.header-date{display:none}.utility-nav{gap:16px;font-size:12px}.view-nav{gap:28px;font-size:12px;padding-top:0}.works-menu{font-size:12px}.works-list{right:-64px;width:300px}.project-heading{padding:38px 0 30px}.lede{font-size:16px;margin-top:16px}.meta-row{gap:12px 24px;font-size:12px;margin-top:22px}.section-heading{display:block;margin-bottom:22px}.section-heading>p{margin-top:14px}.section-block{padding:34px 0}.split,.triptych{grid-template-columns:minmax(0,1fr);gap:24px}.figure-grid{gap:14px}.image-button img{max-height:55svh}.image-button::after{opacity:1;right:8px;bottom:8px;width:24px;height:24px}.figure-caption,figcaption{font-size:12px;line-height:1.65}.panel-head,.panel-foot{padding:16px 18px}.fold-body p,.fold-body li{font-size:15px}.metric-list{gap:24px}.metric-list dd{font-size:28px}.metric-list dt{font-size:12px}.site-footer{margin-top:36px;gap:8px;font-size:11px}.viewer-bar{padding:10px 12px;gap:8px}.viewer-bar .button{padding:8px 12px;font-size:12px}.viewer-field{padding:12px}.viewer-caption{padding:12px;font-size:12px}.image-dialog{width:calc(100vw - 24px);height:90svh}.viewer-bar>div{gap:4px}.viewer-bar .icon-button{width:40px;min-width:40px}.image-dialog[data-zoomed="true"] .viewer-field img{width:900px}}
@media(max-width:360px){.identity{font-size:11px}.identity img{width:21px}.utility-nav{gap:10px}.header-inner{padding:6px 10px}.view-nav{gap:22px}.viewer-bar [data-viewer-position]{font-size:10px}.viewer-bar>div{gap:2px}.viewer-bar .icon-button{width:36px;min-width:36px;padding:8px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media print{.site-header,.site-footer,.page-shell{max-width:none;padding:0}.fold>.fold-body{display:block!important}.panel{break-inside:avoid}}


.home-experience{padding:8px 0 38px;--home-radius:min(34vw,19svh,180px)}
.home-graph-wrap{height:clamp(220px,52svh,500px);position:relative;isolation:isolate;max-width:1120px;margin:0 auto 20px;overflow:hidden}
.home-graph{display:none;position:absolute;inset:0;width:100%;height:100%;overflow:hidden}
.home-ready .home-graph{display:block}
.home-axis{fill:none;stroke:var(--line);stroke-width:1}
.home-axis-label,.home-guide-label{font:12px var(--font);fill:var(--muted)}
.home-thread{fill:none;stroke:var(--ink);stroke-width:1.35;vector-effect:non-scaling-stroke}
.home-connection-edge{stroke:var(--guide);stroke-width:1;fill:none;vector-effect:non-scaling-stroke}
.home-connection-edge.is-related{stroke:var(--pink);stroke-width:1.25}
.home-fallback-circle{position:absolute;width:calc(var(--home-radius)*2);height:calc(var(--home-radius)*2);border:1.35px solid var(--ink);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}
.home-ready .home-fallback-circle{display:none}
.home-point{position:absolute;display:flex;align-items:center;justify-content:center;width:44px;height:44px;margin:0;padding:0;border:0;background:transparent;color:var(--blue);text-decoration:none;transform:translate(-50%,-50%);z-index:2;cursor:pointer;border-radius:50%;-webkit-tap-highlight-color:transparent;outline-offset:0}
.home-point:focus-visible{outline:2px solid var(--blue);z-index:8}
.home-dot{width:9px;height:9px;display:block;flex:0 0 auto;border:1.4px solid currentColor;border-radius:50%;background:var(--white);transition:background-color .15s ease,box-shadow .15s ease}
.home-point-label{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);font-size:12px;line-height:1.2;font-weight:500;white-space:nowrap}
.home-work-point[data-home-point="fragments"] .home-dot{border-style:dashed}
.home-work-point:focus-visible .home-dot,.home-work-point:hover .home-dot{background:currentColor}
.home-context-point{color:var(--muted)}
.home-context-label{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);font-size:12px;line-height:1.4;text-align:center;width:132px;font-weight:400;pointer-events:none}
.home-context-label small{display:block;font:inherit}
.home-context-point[data-home-point="inherited"] .home-context-label{bottom:auto;top:31px}
.home-today-point{color:var(--pink);cursor:default;pointer-events:none}
.home-today-point .home-dot{background:var(--pink);border-color:var(--pink)}
.home-today-point .home-context-label{bottom:auto;top:29px;width:55px}
.home-idea-point{color:var(--muted)}
.home-idea-point .home-dot{width:7px;height:7px}
.home-idea-point[aria-pressed="true"]{color:var(--pink);z-index:5}
.home-idea-point[aria-pressed="true"] .home-dot{background:var(--pink);box-shadow:0 0 0 5px var(--white),0 0 0 6px var(--pink)}
.home-tooltip{position:absolute;display:none;bottom:42px;left:50%;transform:translateX(-50%);width:max-content;max-width:210px;padding:9px 12px;background:var(--white);border:1px solid var(--line);border-radius:9px;color:var(--ink);text-align:left;pointer-events:none;font-size:12px;line-height:1.45;z-index:9}
.home-tooltip strong{display:block;font-weight:500}
.home-tooltip small{display:block;color:var(--muted);font:inherit;margin-top:2px}
.home-point:focus-visible .home-tooltip{display:block}
@media(hover:hover) and (pointer:fine){.home-point:hover{z-index:9}.home-point:hover .home-tooltip{display:block}}
.home-legend{position:absolute;right:0;bottom:0;display:flex;gap:14px;font-size:12px;line-height:1.4;color:var(--muted);pointer-events:none}
.home-legend span{display:flex;gap:6px;align-items:center}
.home-legend i{width:5px;height:5px;border-radius:50%;display:block;background:var(--muted)}
.home-legend .home-key-work{background:var(--blue)}.home-legend .home-key-today{background:var(--pink)}
.home-orbit-controls{display:flex;align-items:center;gap:4px;margin-right:auto;flex:0 0 auto}
.home-experience[data-home-view="connections"] .home-graph-wrap{touch-action:pan-y pinch-zoom;cursor:grab}
.home-experience[data-home-view="connections"] .home-graph-wrap.is-dragging{cursor:grabbing;user-select:none}
.home-description{position:relative;overflow:visible;min-height:166px;margin-top:24px;padding:35px clamp(24px,5vw,80px) 29px;border-radius:38px}
.home-description h1{position:absolute;top:0;left:50%;transform:translate(-50%,-50%);background:var(--white);margin:0;border:1px solid var(--line);border-radius:99px;padding:6px 70px 9px;color:var(--muted);font-size:29px;line-height:1.1;font-weight:250;letter-spacing:-1.1px}
.home-description-inner{display:grid;grid-template-columns:minmax(0,1fr);align-items:start;gap:12px;min-height:99px}
.home-description h2{font-size:15px;font-weight:400;line-height:1.6;margin:0 0 6px}
.home-description p{font-size:14px;line-height:1.65;margin:0;color:var(--muted);max-width:86ch}
.home-description .home-copy-detail{margin-top:3px}
.home-step-controls{display:flex;align-items:center;gap:12px;justify-content:flex-end;min-height:44px;flex-wrap:nowrap;min-width:0}
.home-step-controls output{font-size:12px;color:var(--muted);white-space:nowrap}
.home-step-controls .icon-button{width:44px;height:44px;flex:0 0 44px;border:1px solid var(--line);color:var(--muted)}
.home-orbit-controls .icon-button{border-color:transparent;color:var(--blue);border-radius:50%}
.home-orbit-controls .icon-button:hover{background:var(--surface)}
.home-step-controls .icon-button:hover,.home-step-controls .icon-button:focus-visible{color:var(--blue);border-color:var(--blue)}
.home-idea-heading{display:flex;align-items:start;justify-content:space-between;gap:16px}
.home-idea-heading h2{color:var(--pink)}
.home-note-close{background:none;border:0;padding:0 5px;width:44px;height:44px;margin-top:-11px;color:var(--muted);display:flex;align-items:center;justify-content:center;cursor:pointer}
.home-related-works{display:flex;flex-wrap:wrap;gap:7px 20px;margin-top:10px}
.home-related-works a{display:inline-flex;align-items:center;gap:7px;min-height:44px;font-size:14px;color:var(--blue);line-height:1.4}
.home-related-works a svg{width:16px;height:16px;flex:none;stroke:currentColor;stroke-width:1.5;fill:none}
.home-no-script{font-size:13px;color:var(--muted);margin:20px 0 0}
.home-experience[data-home-view="timeline"] .home-context-label{width:132px}
.home-experience[data-home-view="timeline"] .home-point-label{font-size:12px}
@media(max-width:760px){
 .home-experience{padding-top:4px;--home-radius:min(33vw,16svh,126px)}
 .home-graph-wrap{height:clamp(220px,44svh,360px);margin-bottom:34px;overflow:visible}
 .home-graph{overflow:hidden}
 .home-context-label{font-size:12px;width:110px;line-height:1.35}
 .home-context-point[data-home-point="inherited"] .home-context-label{top:30px}
 .home-point-label{font-size:12px;bottom:31px}
 .home-legend{font-size:12px;gap:9px;bottom:-14px}
 .home-legend span{gap:4px}.home-legend i{width:4px;height:4px}
 .home-legend > span:nth-child(2){display:none}
 .home-tooltip{max-width:190px;font-size:12px;padding:8px 10px}
 .home-description{padding:30px 20px 20px;border-radius:24px;min-height:176px;margin-top:30px}
 .home-description h1{font-size:25px;padding:6px 42px 8px}
 .home-description-inner{grid-template-columns:minmax(0,1fr);gap:12px;min-height:122px}
 .home-description h2{font-size:14px;line-height:1.5;margin-bottom:5px}
 .home-description p{font-size:14px;line-height:1.6}
 .home-step-controls{gap:12px}
 .home-step-controls .icon-button{width:44px;height:44px}
 .home-experience[data-home-view="timeline"] .home-context-label{font-size:12px;width:114px}
}
@media(prefers-reduced-motion:reduce){.home-dot{transition:none}}

.home-experience[data-home-view="timeline"] .home-context-point[data-home-point="inherited"] .home-context-label{top:auto;bottom:34px}


/* Project pages: one instrument, evidence gallery, and disclosure system. */
.project-context{margin-top:-8px;margin-bottom:32px;color:var(--muted)}
.stepper{overflow:hidden}
.stepper .panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.instrument-hint{display:none;color:var(--muted);font-size:12px;white-space:nowrap}
.stepper-tabs,.stepper-controls{display:none}
.stepper.is-ready .instrument-hint{display:block}
.stepper.is-ready .stepper-tabs{display:flex;flex-wrap:wrap;gap:4px 20px;padding:0 28px;border-bottom:1px solid var(--line)}
.stepper-tabs button{display:inline-flex;flex:0 1 auto;min-width:0;align-items:center;gap:8px;min-height:48px;padding:10px 0;background:none;border:0;border-bottom:2px solid transparent;border-radius:0;color:var(--muted);font:inherit;font-size:14px;line-height:1.4;text-align:left;cursor:pointer}
.stepper-tabs button[aria-pressed="true"]{background:none;color:var(--ink);border-bottom-color:var(--pink)}
.stepper-tabs button:hover{color:var(--ink)}
.stepper-tabs button:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.step-number{font-size:11px;font-variant-numeric:tabular-nums;color:inherit}
.stepper .stepper-panels{padding:0}
.stepper .stepper-panels>[data-panel]{min-width:0;margin:0}
.stepper-panels>section+section{border-top:1px solid var(--line)}
.stepper.is-ready .stepper-panels{display:grid;grid-template-columns:minmax(0,1fr)}
.stepper.is-ready .stepper-panels>section{grid-area:1/1;visibility:hidden;pointer-events:none;border:0}
.stepper.is-ready .stepper-panels>section.is-active{visibility:visible;pointer-events:auto}
.instrument-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;gap:clamp(24px,4vw,64px);padding:32px clamp(24px,4vw,48px);min-height:350px}
.instrument-layout>*{min-width:0}
.diagram-stage{display:grid;place-items:center;min-width:0;width:100%}
.instrument-copy{max-width:42ch}
.instrument-copy h3{margin:0 0 12px;font-size:22px;line-height:1.3;letter-spacing:-.025em;font-weight:500}
.instrument-copy p{margin:0 0 14px}
.instrument-copy p:last-child{margin-bottom:0}
.stepper .panel-foot{display:flex;align-items:center;justify-content:space-between;gap:24px}
.stepper .panel-foot>p{max-width:75ch;margin:0;color:var(--muted);font-size:12px;line-height:1.65}
.stepper.is-ready .stepper-controls{display:flex;align-items:center;gap:12px;flex:none}
.stepper .stepper-controls{padding:0;border:0}
.stepper-controls output{min-width:36px;text-align:center;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.stepper-controls .step-prev svg{transform:rotate(180deg)}
.stepper-controls button:disabled{opacity:.3;cursor:default}
.project-diagram{display:block;width:100%;max-width:440px;height:auto;max-height:290px;overflow:visible}
.project-diagram text{font-family:inherit;font-size:14px;fill:var(--ink);stroke:none}
.diagram-line{fill:none;stroke:var(--line);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.diagram-node{fill:var(--white);stroke:var(--guide);stroke-width:1.5}
.diagram-line.is-current,.diagram-node.is-current{stroke:var(--blue)}
.diagram-node.is-current{fill:var(--pink);stroke:var(--pink)}
.layer-row path{fill:var(--white);stroke:var(--guide);stroke-width:1.25;stroke-linejoin:round}
.layer-row text{font-size:12px;fill:var(--muted);font-variant-numeric:tabular-nums}
.layer-row.is-current path{stroke:var(--pink);stroke-width:1.8}
.layer-row.is-current text{fill:var(--pink)}
.flow-steps{list-style:none;width:min(100%,360px);margin:0;padding:0}
.flow-steps li{margin:0;position:relative;display:grid;grid-template-columns:28px minmax(0,1fr);align-items:start;gap:15px;padding:18px 0 25px;border-bottom:1px solid var(--line);font-size:17px;line-height:1.5}
.flow-steps li:last-child{border-bottom:0;padding-bottom:18px}
.flow-number{padding-top:4px;color:var(--blue);font-size:11px;font-variant-numeric:tabular-nums}
.flow-steps .flow-arrow{position:absolute;left:4px;bottom:-11px;width:17px;height:17px;background:var(--white);color:var(--blue);z-index:1}
.diagram-stage>.item-list{width:min(100%,360px);font-size:18px}
.word-study{display:grid;justify-items:center;gap:16px;padding:24px;text-align:center;font-size:20px}
.word-study strong{font-size:36px;line-height:1.1;font-weight:500;color:var(--blue);letter-spacing:-.04em}
.word-study-mark{color:var(--muted)}
.doubling-demo{width:100%;text-align:center}
.doubling-equation{margin:28px 0 18px;font-size:clamp(1.2rem,2.4vw,2rem);line-height:1.4;font-variant-numeric:tabular-nums;letter-spacing:-.035em;overflow-wrap:anywhere}
.doubling-equation strong{color:var(--pink);font-weight:500}
.doubling-trace{min-height:38px;margin:0 auto 22px;max-width:100%;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;line-height:1.8;overflow-wrap:anywhere}
.demo-actions{display:none;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap}
.doubling-demo.is-ready .demo-actions{display:flex}
.demo-actions .text-link{min-height:44px;padding:4px 0;background:none;border:0;font:inherit;font-size:13px;cursor:pointer}
.demo-actions .button{font-size:13px}
.type-demo{width:min(100%,360px)}
.type-specimen{display:grid;place-items:center;height:170px;min-width:0;overflow:hidden}
.type-specimen span{font-family:inherit;font-size:min(var(--emphasis-size,3.375rem),20vw);font-weight:var(--emphasis-weight,540);letter-spacing:-.05em;line-height:1.2;color:var(--blue)}
.type-control{display:none;width:100%;padding:14px 0}
.type-demo.is-ready .type-control{display:block}
.type-control label{display:block;font-size:13px;margin-bottom:8px}
.type-control input{display:block;width:100%;min-height:44px;margin:0;accent-color:var(--blue);cursor:ew-resize}
.range-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;margin-top:5px}
.persona-source{width:100%;max-width:360px}
.persona-source .eyebrow{margin:0 0 12px}
.persona-source .item-list{margin:0}
.persona-source .item-list>div{padding:15px 0;border-top:1px solid var(--line)}
.persona-source dt{margin:0 0 6px;color:var(--muted);font-size:12px;font-weight:400}
.persona-source dd{margin:0;font-size:16px;line-height:1.7}
.persona-source .item-list>div:first-child dd{color:var(--blue)}
.evidence-compact{margin-top:24px}
.evidence-compact .image-button{display:block;width:100%;height:clamp(180px,24vw,260px)}
.evidence-compact img{display:block;width:100%;height:100%;object-fit:contain}
.evidence-compact .portrait-evidence .image-button{height:300px}
.evidence-three{grid-template-columns:repeat(3,minmax(0,1fr))}
.evidence-three .image-button{height:210px}
.evidence-reading{max-width:75ch;margin-top:24px}
.evidence-reading p{margin:0 0 10px}
.wide-evidence{grid-column:1/-1}
.wide-evidence .image-button{display:block;width:100%;height:auto}
.wide-evidence img{display:block;width:100%;height:auto;object-fit:contain}
.item-code{display:inline-block;min-width:56px;margin-right:12px;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.fold-body>.figure-grid{margin-top:24px}
.fold-body>.split{align-items:center}
.fold-body>.split .project-diagram{max-width:350px;margin:0 auto}
.fold-body h3{font-size:17px;font-weight:500;margin:24px 0 8px}
.fold-body blockquote{margin:0 0 16px;padding-left:20px;border-left:1px solid var(--line);font-size:20px;line-height:1.6}
@media(max-width:760px){
 .instrument-layout{grid-template-columns:minmax(0,1fr);gap:20px;min-height:0;padding:24px 20px}
 .instrument-copy{max-width:100%}
 .instrument-copy h3{font-size:20px}
 .diagram-stage{min-height:220px}
 .project-diagram{max-height:260px;max-width:360px}
 .project-diagram text{font-size:18px}
 .project-diagram .layer-row text{font-size:16px}
 .stepper.is-ready .stepper-tabs{gap:0 18px;padding:0 20px}
 .stepper-tabs button{font-size:13px;gap:6px;min-height:46px}
 .stepper .panel-foot{align-items:flex-start;flex-direction:column;gap:18px}
 .stepper.is-ready .stepper-controls{align-self:flex-end}
 .instrument-hint{font-size:11px}
 .stepper .panel-head{gap:10px}
 .flow-steps{max-width:340px}
 .flow-steps li{font-size:16px;padding:15px 0 24px}
 .persona-source{max-width:340px}
 .evidence-compact .image-button{height:220px}
 .evidence-three{grid-template-columns:minmax(0,1fr)}
 .evidence-three .image-button{height:240px}
 .evidence-compact .portrait-evidence .image-button{height:280px}
}
@media(max-width:400px){
 .instrument-layout{padding:22px 16px}
 .stepper.is-ready .stepper-tabs{padding:0 16px;gap:0 14px}
 .stepper-tabs button{font-size:12px}
 .instrument-hint{display:none!important}
 .item-code{min-width:49px;margin-right:8px}
}
@media(prefers-reduced-motion:reduce){
 .stepper *,.type-demo *{transition:none!important;animation:none!important}
}


/* Personal pages use the shared panel, fold, list, and type system. */
.calligraphy-compare{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(12px,2vw,28px);padding:clamp(16px,2.5vw,32px)}
.calligraphy-compare figure{margin:0;min-width:0}
.calligraphy-compare .image-button{display:block;width:100%;border:0;border-radius:0;padding:0;background:var(--white)}
.calligraphy-compare img{display:block;width:100%;height:clamp(150px,21vw,265px);object-fit:contain}
.calligraphy-compare figcaption{display:flex;justify-content:space-between;gap:8px;margin-top:12px}
.calligraphy-compare figcaption span:first-child{color:var(--blue)}
.calligraphy-compare figcaption span:last-child{font-size:12px}
.calligraphy-poem{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);align-items:center;gap:20px}
.calligraphy-poem p{margin:0}
.calligraphy-poem p[lang=ja]{font-size:clamp(17px,1.8vw,22px);letter-spacing:.02em}
.calligraphy-poem small{display:block;color:var(--muted);font-size:12px;margin-top:5px}
.calligraphy-series-note{margin:14px 0 22px;max-width:75ch}
.calligraphy-sheets{display:grid;gap:48px;padding-top:24px}
.calligraphy-sheet{margin:0 auto;width:min(100%,680px)}
.calligraphy-sheet .image-button{display:block;width:100%;padding:0;background:var(--white);border:0;border-radius:0}
.calligraphy-sheet img{display:block;width:100%;height:min(70svh,700px);object-fit:contain}
.calligraphy-sheet figcaption{margin-top:14px;text-align:center}
.about-introduction{max-width:1000px}
.about-introduction p{margin:0}
.about-time-list{padding:0 clamp(20px,3vw,36px)}
.about-time-list article{display:grid;grid-template-columns:minmax(160px,.6fr) minmax(0,1.4fr);gap:clamp(24px,4vw,64px);padding:28px 0;border-bottom:1px solid var(--line)}
.about-time-list article:last-child{border-bottom:0}
.about-time-list h3{margin:6px 0 0}
.about-time-list p{margin:0}
.about-time-list .figure-caption{margin-top:10px}
.about-contact{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.about-email{font-size:clamp(18px,2.6vw,28px);overflow-wrap:anywhere}
.contact-status:empty{display:none}
.contact-status{margin:0;padding:0 clamp(20px,3vw,36px) 20px}
@media(max-width:760px){
 .calligraphy-compare{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 12px;padding:16px}
 .calligraphy-compare img{height:clamp(118px,33vw,190px)}
 .calligraphy-compare figcaption{margin-top:7px}
 .calligraphy-poem{grid-template-columns:1fr;gap:8px}
 .calligraphy-poem p[lang=ja]{font-size:18px}
 .calligraphy-poem small{margin-top:3px}
 .calligraphy-sheets{gap:36px}
 .about-time-list article{grid-template-columns:1fr;gap:12px;padding:24px 0}
 .about-introduction{gap:16px}
}


/* R2: the same line, icon, and reading hierarchy across the portfolio. */
.v-icon{display:block;width:30px;height:30px;min-width:30px;max-width:none;fill:none;stroke:currentColor;stroke-width:1.35;stroke-linecap:round;stroke-linejoin:round;color:var(--blue);overflow:visible}
.v-diagram{padding:28px 0}
.v-flow{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;padding:0;margin:0}
.v-flow[data-count="2"]{grid-template-columns:repeat(2,minmax(0,1fr))}
.v-flow[data-count="3"]{grid-template-columns:repeat(3,minmax(0,1fr))}
.v-flow[data-count="5"]{grid-template-columns:repeat(5,minmax(0,1fr))}
.v-flow>li{position:relative;min-width:0;margin:0;display:grid;align-content:start;gap:18px}
.v-flow>li:not(:last-child)::after{content:"";position:absolute;top:15px;left:50px;width:calc(100% - 34px);height:1px;background:var(--guide)}
.v-flow>li:not(:last-child)::before{content:"";position:absolute;right:-17px;top:12px;width:6px;height:6px;border-top:1px solid var(--guide);border-right:1px solid var(--guide);transform:rotate(45deg)}
.v-flow h3,.v-grid h3,.v-classification h3{font:500 16px/1.4 var(--font);letter-spacing:-.02em;margin:0 0 7px;text-wrap:pretty}
.v-flow .eyebrow{font-size:11px;line-height:1.6;letter-spacing:.025em;margin:0 0 8px;min-height:3.2em}
.v-flow p,.v-grid p,.v-relations p{font-size:14px;line-height:1.65;color:var(--muted);margin:0;overflow-wrap:break-word}
.v-note{font-size:12px!important;line-height:1.7!important;max-width:78ch;color:var(--muted);margin:20px 0 0!important}
.v-return{display:flex;align-items:center;gap:9px;margin:22px 0 0;font-size:12px;color:var(--muted)}
.v-return .v-icon{width:17px;height:17px;min-width:17px;color:var(--muted)}
.v-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 32px;list-style:none;margin:0;padding:12px 0}
.v-grid>li{margin:0;padding:20px 0 0;border-top:1px solid var(--line);min-width:0}
.v-grid .v-icon{margin-bottom:16px}
.v-relations{list-style:none;padding:0;margin:0}
.v-relations>li{display:grid;grid-template-columns:minmax(0,1fr) 22px minmax(0,1.2fr);align-items:center;gap:20px;min-width:0;padding:20px 0;border-top:1px solid var(--line);margin:0}
.v-relations>li>div{display:flex;align-items:center;gap:14px;min-width:0;font-size:15px;line-height:1.5;font-weight:500}
.v-relations>li>.v-icon{width:18px;min-width:18px;height:18px;color:var(--guide)}
.v-facts{display:flex;flex-wrap:wrap;gap:24px 56px;margin:20px 0 30px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.v-facts>div{min-width:0;flex:1 1 110px}
.v-facts dd{font-size:28px;font-weight:450;letter-spacing:-.04em;line-height:1.2;color:var(--blue);font-variant-numeric:tabular-nums}
.v-facts dt{font-size:12px;line-height:1.6;color:var(--muted);margin-top:8px;max-width:22ch}
.v-classification{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:22px 0}
.v-classification>*{min-width:0}
.v-classification ul{padding:0;list-style:none;margin:14px 0 0}
.v-classification li{border-top:1px solid var(--line);padding:10px 0;font-size:13px;line-height:1.65;margin:0}
.v-classification .item-code{display:block;min-width:0;margin:0;font-size:11px}
.v-network-wrap{min-width:0}
.v-evidence{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;margin:24px 0}
.v-evidence>div{min-width:0;border-top:1px solid var(--line);padding-top:20px}
.v-evidence .v-icon{margin-bottom:14px}
.v-evidence h3{font-size:15px;font-weight:500;margin:0 0 8px}
.v-evidence p{font-size:14px;line-height:1.7;color:var(--muted)}
.v-section-note{max-width:68ch;color:var(--muted);font-size:14px;margin:18px 0 0}
#reframing{margin-top:24px}
#reframing>h3{font-size:17px;margin:0 0 20px}
.about-introduction{padding:28px 0 40px;border-bottom:1px solid var(--line)}
#time-context .v-note+.button{margin-top:24px}
.section-body>.v-diagram+.fold,.section-body>.v-grid+.fold{margin-top:24px}

/* Structural consistency: content has one frame; headings are never badges. */
.header-inner{position:relative;box-shadow:none}
.utility-nav>a,.works-menu>summary{min-width:44px;justify-content:center}
.home-description{border-radius:var(--radius);padding:24px clamp(24px,4vw,48px);margin-top:16px;min-height:0}
.home-description h1{position:static;transform:none;border:0;border-radius:0;padding:0;margin:0 0 16px;font-size:18px;line-height:1.4;letter-spacing:-.035em;font-weight:450;color:var(--ink);background:none}
.home-description-inner{min-height:0}
.home-step-controls .icon-button{width:44px;height:44px;color:var(--ink)}
.section-heading h2{font-size:clamp(22px,2vw,26px)}
.project-page .fold>summary{font-size:14px}
.fold-body .meta-row{margin-top:12px}
.viewer-caption{max-height:22svh;overflow:auto;overscroll-behavior:contain}

@media(max-width:900px){
 .v-flow[data-count="5"]{gap:20px}
 .v-flow[data-count="5"] h3{font-size:15px}
 .v-grid{gap:24px}
}
@media(max-width:760px){
 .works-menu{position:static}
 .works-list{right:0;top:calc(100% + 6px);width:330px;max-width:100%;max-height:min(430px,calc(100svh - 156px))}
 .home-description{padding:22px 20px;border-radius:var(--radius);margin-top:24px;min-height:0}
 .home-description h1{font-size:17px;margin-bottom:12px;padding:0}
 .home-description-inner{min-height:0}
 .v-diagram{padding:18px 0}
 .v-flow,.v-flow[data-count="2"],.v-flow[data-count="3"],.v-flow[data-count="5"]{grid-template-columns:minmax(0,1fr);gap:0}
 .v-flow>li{display:grid;grid-template-columns:32px minmax(0,1fr);gap:20px;padding:0 0 26px}
 .v-flow>li:last-child{padding-bottom:0}
 .v-flow>li:not(:last-child)::after{left:15px;top:40px;width:1px;height:calc(100% - 46px)}
 .v-flow>li:not(:last-child)::before{top:auto;bottom:10px;left:12px;right:auto;transform:rotate(135deg)}
 .v-flow h3,.v-flow[data-count="5"] h3,.v-grid h3{font-size:15px}
 .v-flow .eyebrow{min-height:0}
 .v-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 24px}
 .v-grid>li{padding-top:16px}
 .v-grid .v-icon{width:28px;height:28px;min-width:28px;margin-bottom:12px}
 .v-relations>li{grid-template-columns:minmax(0,1fr) 18px minmax(0,1.15fr);gap:10px;padding:17px 0}
 .v-relations>li>div{display:grid;gap:10px;font-size:14px}
 .v-relations p{font-size:13px;line-height:1.65}
 .v-facts{gap:20px;margin:18px 0 24px}
 .v-facts>div{flex-basis:65px}
 .v-facts dd{font-size:26px}
 .v-facts dt{font-size:12px}
 .v-classification{grid-template-columns:minmax(0,1fr);gap:22px}
 .v-evidence{gap:22px}
 .v-evidence p{font-size:13px}
 .viewer-bar .icon-button{width:44px;min-width:44px;height:44px;padding:11px}
 .project-diagram{max-height:240px}
}
@media(max-width:400px){
 .viewer-bar{flex-wrap:wrap;gap:5px}
 .viewer-bar>[data-viewer-position]{flex-basis:100%;font-size:11px}
 .viewer-bar>div{width:100%;justify-content:space-between;gap:8px}
 .viewer-bar .icon-button{width:44px;min-width:44px;padding:11px}
 .v-grid{gap:20px 18px}
 .v-grid p{font-size:13px}
 .v-evidence{grid-template-columns:minmax(0,1fr)}
 .project-diagram text{font-size:20px}
 .project-diagram .layer-row text{font-size:22px}
}
@media(max-height:500px) and (orientation:landscape){
 .viewer-bar{padding-block:8px}
 .viewer-caption{max-height:18svh;padding-block:8px}
 .viewer-field{padding:8px}
 .works-list{max-height:calc(100svh - 146px)}
}
@media(prefers-reduced-motion:reduce){.v-icon{transition:none}}


/* R3: open page composition, restrained rules, and intentional Japanese type. */
:root{--measure:62ch;--section-gap:clamp(32px,4.2vw,56px)}
.header-inner{border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;padding:8px 0 12px}
.site-header{margin-top:18px}
.project-heading{padding-top:clamp(36px,4.8vw,64px);padding-bottom:32px}
.project-heading .eyebrow{margin-bottom:14px}
.project-heading h1{font-size:clamp(27px,2.7vw,36px);max-width:25ch}
.lede{max-width:var(--measure);font-size:16px;line-height:1.7;margin-top:18px}
.meta-row{margin-top:22px;gap:14px 28px}
.meta-row>div{min-width:0;flex-wrap:wrap;gap:4px 10px}
.section-block{padding:var(--section-gap) 0}
.section-heading{align-items:start;margin-bottom:24px}
.section-heading h2{font-size:clamp(21px,1.9vw,25px);line-height:1.35;max-width:30ch}
.section-heading .eyebrow{font-size:11px;letter-spacing:.045em;padding-top:5px;flex-shrink:0}
.reading-text,.fold-body p{max-width:var(--measure)}
.panel{border:0;border-radius:0;overflow:visible;background:transparent}
.panel-head{padding:16px 0;border:0;border-bottom:1px solid var(--line);font-size:12px}
.panel-foot{padding:18px 0;border-top:1px solid var(--line)}
.panel-body{padding:24px 0}
.stepper{border-top:1px solid var(--line)}
.stepper .panel-head{border-bottom:0;padding:14px 0}
.stepper.is-ready .stepper-tabs{padding:0;gap:0 24px}
.stepper-tabs button{font-size:13px}
.instrument-layout{padding:28px 16px;gap:clamp(24px,4vw,56px)}
.instrument-copy h3{font-size:20px;line-height:1.4;max-width:26ch;margin-bottom:10px}
.instrument-copy p{font-size:15px;line-height:1.7}
.stepper .panel-foot{gap:24px;padding:16px 0}
.stepper .panel-foot>p{max-width:72ch}
.fold>summary{padding-block:15px;min-height:54px}
.fold-body{padding-bottom:24px}
.fold-body p,.fold-body li{font-size:14px;line-height:1.8}
.fold-body .meta-row{font-size:13px}

/* The wordmark occupies a column, rather than sitting inside a badge. */
.home-description{border:0;border-top:1px solid var(--line);border-radius:0;padding:26px 0 0;margin-top:20px;display:grid;grid-template-columns:minmax(190px,.72fr) minmax(0,1.65fr);align-items:start;gap:clamp(24px,4vw,56px)}
.home-description h1{position:static;transform:none;margin:0;border:0;padding:0;background:none;font-size:clamp(32px,3.15vw,44px);line-height:1.1;font-weight:380;letter-spacing:-.055em;color:var(--ink)}
.home-description-inner{padding-top:2px;gap:12px;align-items:start}
.home-description h2{font-size:15px;font-weight:450;line-height:1.5;margin-bottom:8px}
.home-description p{font-size:14px;line-height:1.7;max-width:62ch}
.home-description .home-copy-detail{margin-top:6px}
.home-step-controls{gap:12px;align-self:end}
.home-experience{padding-bottom:20px}
.home-description .shuhari{font-size:22px}
.home-note-close{margin-top:-8px}

/* Ruby stays attached to its character; Japanese prose keeps natural line breaks. */
[lang="ja"]{word-break:normal;line-break:strict;overflow-wrap:break-word}
.jp-phrase{display:inline-block;white-space:nowrap;word-break:keep-all;overflow-wrap:normal}
.jp-poem{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 28px}
.jp-poem .jp-phrase{font-size:20px;line-height:1.7;letter-spacing:.08em}
.jp-reading{max-width:34em;line-height:1.95;letter-spacing:.015em;text-wrap:pretty}
.jp-reading p{line-height:1.95;max-width:34em;margin-bottom:1.15em}
.roman-ruby{ruby-position:over;ruby-align:center;white-space:nowrap;word-break:keep-all;overflow-wrap:normal;line-height:1.8;letter-spacing:0}
.roman-ruby rt{font:400 .46em/1.1 var(--font);color:var(--muted);letter-spacing:.045em;text-transform:lowercase;text-align:center}
.shuhari{display:inline-flex;align-items:baseline;gap:.12em;white-space:nowrap;letter-spacing:0}
.ruby-separator{font-size:.65em;color:var(--muted)}
.term-pair{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 14px;line-height:1.6!important}
.term-pair>.roman-ruby{font-size:28px;color:var(--ink);font-weight:400}
.term-pair>span{font-size:14px}
.learning-terms{font-size:16px;line-height:2;margin:24px 0 10px}
.learning-terms .shuhari{font-size:23px;margin-right:10px}
.calligraphy-compare{padding:26px 0 20px;gap:clamp(16px,2vw,28px)}
.calligraphy-compare figcaption{font-size:11px}
.calligraphy-compare figcaption span:last-child{font-size:11px}
.calligraphy-poem{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:20px 36px}
.calligraphy-poem p[lang="ja"]{font-size:20px}
.calligraphy-poem>p:not([lang="ja"]){font-size:13px;max-width:42ch}
.calligraphy-series-note{font-size:12px;margin:14px 0 22px;max-width:74ch}
.calligraphy-detail-fold{margin-top:28px}
.v-facts{padding:18px 0;gap:20px 40px}
.v-facts dd{font-size:26px}
.v-diagram{padding:22px 0}
.v-grid{gap:24px 32px}
.v-flow h3,.v-grid h3{font-size:15px}
.v-flow p,.v-grid p{font-size:13px;line-height:1.7}
.v-relations>li{padding:18px 0}
.v-relations p{font-size:14px}
.v-return{margin-top:18px}

/* One quiet line closes every page. The header owns site navigation. */
.site-footer{position:relative;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:0 16px;margin:24px auto 12px;padding:10px var(--gutter) 0;max-width:1384px;color:var(--muted);font-size:12px;line-height:1.5}
.site-footer::before{content:"";position:absolute;top:0;left:var(--gutter);right:var(--gutter);height:1px;background:var(--line)}
.site-footer>a{min-height:44px;display:inline-flex;align-items:center}
.footer-name{color:var(--ink)}
.footer-email{font-variant-numeric:tabular-nums}
.home-page .site-footer{margin-top:20px}
.project-page .site-footer{margin-top:12px;padding-top:0}
.project-page .site-footer::before{display:none}
.about-contact{padding-top:0;border-bottom:0;gap:12px 24px}
.about-email{font-size:clamp(18px,2.1vw,26px)}
.practice-statement{max-width:none;font-size:16px;letter-spacing:0;line-height:2.05;margin:28px 0}
.practice-statement>span{display:block}

@media(max-width:1100px){
 .header-inner{padding:6px 0 8px;gap:4px 20px}
 .view-nav{border-top:0;padding-top:0}
}
@media(max-width:760px){
 .site-header{margin-top:10px}
 .header-inner{padding:4px 0 8px;gap:0 12px;border-radius:0}
 .project-heading{padding:32px 0 26px}
 .project-heading h1{font-size:27px;line-height:1.25}
 .lede{font-size:15px;margin-top:16px}
 .section-heading{margin-bottom:22px}
 .section-heading h2{font-size:21px;line-height:1.4}
 .section-heading .eyebrow{padding-top:0;margin-bottom:9px}
 .meta-row{font-size:12px;margin-top:18px}
 .panel-head,.panel-foot{padding:14px 0}
 .instrument-layout{padding:22px 4px;gap:20px}
 .instrument-copy h3{font-size:19px;line-height:1.4}
 .instrument-copy p{font-size:15px}
 .stepper.is-ready .stepper-tabs{padding:0;gap:0 20px}
 .stepper .panel-foot{gap:12px;padding:14px 0}
 .stepper .panel-foot>p{font-size:12px}
 .fold-body p,.fold-body li{font-size:14px}
 .home-description{grid-template-columns:minmax(0,1fr);gap:19px;padding:22px 0 0;border-radius:0;margin-top:20px}
 .home-description h1{font-size:34px;line-height:1.08;margin:0;padding:0}
 .home-description-inner{padding-top:0;gap:14px}
 .home-description h2{font-size:14px;line-height:1.5}
 .home-description p{font-size:14px;line-height:1.7}
 .calligraphy-compare{padding:20px 0 18px;gap:20px 16px}
 .calligraphy-compare img{height:clamp(118px,34vw,170px)}
 .calligraphy-poem{grid-template-columns:minmax(0,1fr);gap:12px}
 .jp-poem{gap:4px 22px}
 .jp-poem .jp-phrase,.calligraphy-poem p[lang="ja"]{font-size:18px;letter-spacing:.06em}
 .jp-reading{font-size:15px;line-height:1.95;letter-spacing:0}
 .jp-reading p{font-size:14px;line-height:1.95}
 .term-pair>.roman-ruby{font-size:25px}
 .learning-terms{margin:20px 0 8px;font-size:14px}
 .learning-terms .shuhari{font-size:22px}
 .v-diagram{padding:16px 0}
 .v-facts{gap:20px}
 .v-grid{gap:22px 20px}
 .site-footer{gap:0 12px;font-size:11px;margin-top:20px;padding-top:10px;margin-bottom:12px}
 .practice-statement{font-size:clamp(.72rem,calc((100vw - (2 * var(--gutter)) - 8px) / 24),1rem);line-height:2.05;margin:24px 0}
}
@media(max-width:400px){
 .stepper.is-ready .stepper-tabs{gap:0 16px;padding:0}
 .instrument-layout{padding:20px 2px}
 .jp-poem{column-gap:20px}
}

/* Header, reading column, rules, and footer share one outer alignment. */
:root{--page-width:1384px}
.site-header,.page-shell,.site-footer,.home-page .page-shell,.home-page .site-footer{max-width:var(--page-width)}

/* R5: final proportions, readable type, and a clear email action. */
:root{
 --page-width:1320px;
 --gutter:clamp(20px,4vw,56px);
 --section-gap:clamp(32px,4vw,56px);
}
.project-heading{padding-block:clamp(36px,4.5vw,60px) 32px}
.project-heading h1{font-size:clamp(1.75rem,2.7vw,2.25rem);line-height:1.2}
.lede{font-size:1rem;line-height:1.75}
.view-nav,.utility-nav,.works-menu{font-size:.875rem}
.header-date{font-size:.75rem}
.work-label{font-size:.875rem}
.work-number,.work-label small,.step-number{font-size:.75rem}
.section-heading:has(>.eyebrow){display:grid;grid-template-columns:minmax(140px,.72fr) minmax(0,1.65fr);gap:clamp(24px,4vw,56px)}
.section-heading .eyebrow{font-size:.75rem;line-height:1.6;margin-bottom:0}
.section-heading h2{font-size:clamp(1.375rem,1.9vw,1.625rem);line-height:1.35}
.instrument-copy p,.fold-body p,.fold-body li,.jp-reading p{font-size:1rem;line-height:1.75}
.jp-reading p{line-height:1.95}
.project-page .fold>summary{font-size:.9375rem;min-height:56px}
.button,.stepper-tabs button{font-size:.875rem}
.v-flow h3,.v-grid h3,.v-evidence h3{font-size:1rem;line-height:1.4}
.v-flow p,.v-grid p,.v-relations p,.v-evidence p,.v-classification li{font-size:.875rem;line-height:1.75}
.v-flow .eyebrow{font-size:.75rem}
.v-note,.v-section-note{max-width:var(--measure)}
.calligraphy-compare figcaption,.calligraphy-compare figcaption span:last-child{font-size:.75rem}
.about-introduction{max-width:none;padding:28px 0 36px;gap:clamp(24px,4vw,56px)}
.about-introduction p{max-width:var(--measure)}

/* All four views use the same stage and the same compact control row. */
.home-graph-wrap{height:clamp(220px,48svh,440px);margin-bottom:0}
.home-graph-caption{display:flex;align-items:flex-end;justify-content:space-between;gap:12px 24px;min-height:34px;max-width:1120px;margin:0 auto}
.home-graph-caption .home-legend{position:static;flex-shrink:0}
.home-description{margin-top:24px;padding-top:24px;gap:clamp(24px,4vw,56px)}
.home-description h1{font-size:clamp(2rem,3.15vw,2.625rem)}
.home-description-inner{gap:16px}
.home-description h2{font-size:1rem;line-height:1.5;margin-bottom:8px}
.home-description p{font-size:.9375rem;line-height:1.7}
.home-copy{min-height:8.5rem}
.home-step-controls{gap:12px;min-height:44px}
.home-orbit-controls{gap:2px}
.home-step-controls output{font-size:.75rem;min-width:34px;text-align:center}
.home-experience{padding-bottom:12px}

/* The entire address, including the icon, is one native mailto link. */
.about-contact{padding:0;gap:16px 24px;align-items:center}
.about-email{display:inline-flex;align-items:center;gap:12px;max-width:100%;min-height:48px;padding-block:4px;font-size:clamp(1.125rem,2.1vw,1.625rem);line-height:1.5;color:var(--blue)}
.about-email>span{min-width:0;overflow-wrap:anywhere;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.22em;text-decoration-color:#173ff260}
.about-email>.icon{flex:0 0 20px}
.about-email:hover>span{text-decoration-color:currentColor}
.about-email:hover{color:var(--ink)}
.contact-status{padding:12px 0 0;font-size:.875rem;line-height:1.6}
.site-footer{font-size:.8125rem;padding-top:8px;margin-bottom:12px}
.footer-email{text-decoration:underline;text-decoration-color:#c8cdd6;text-underline-offset:4px}
.footer-email:hover{text-decoration-color:currentColor}
.home-page .site-footer{margin-top:16px}

/* Two authored lines sized from their actual available width. */
.practice-statement{container-type:inline-size;line-height:2.05;margin:28px 0;letter-spacing:0}
.practice-statement>span{display:block;white-space:nowrap;font-size:min(1rem,calc((100vw - (2 * var(--gutter)) - 24px) / 24));line-height:2.05}
@supports(font-size:1cqi){.practice-statement>span{font-size:min(1rem,4.05cqi)}}

@media(max-width:1100px){
 .header-inner{row-gap:2px}
 .header-date{font-size:.75rem}
}
@media(max-width:760px){
 .identity{font-size:.8125rem;gap:8px}
 .view-nav,.utility-nav,.works-menu{font-size:.875rem}
 .utility-nav{gap:12px}
 .view-nav{gap:28px}
 .header-inner{padding:4px 0 8px}
 .project-heading{padding:32px 0 26px}
 .project-heading h1{font-size:1.75rem;line-height:1.25}
 .lede{font-size:1rem}
 .section-heading:has(>.eyebrow){display:block}
 .section-heading .eyebrow{margin-bottom:10px;padding-top:0}
 .section-heading h2{font-size:1.375rem}
 .section-heading{margin-bottom:22px}
 .about-introduction{gap:20px;padding-block:24px 32px}
 .instrument-layout{padding:24px 0;gap:24px}
 .stepper.is-ready .stepper-tabs{gap:0 18px}
 .stepper-tabs button{font-size:.875rem;min-height:48px}
 .fold-body p,.fold-body li,.instrument-copy p{font-size:1rem}
 .v-flow[data-count="5"] h3{font-size:1rem}
 .v-grid p,.v-evidence p,.v-relations p{font-size:.875rem}
 .home-graph-wrap{height:clamp(220px,40svh,320px);margin-bottom:0}
 .home-graph-caption{gap:12px 16px;min-height:34px}.home-legend{bottom:0}
 .home-description{grid-template-columns:minmax(0,1fr);margin-top:20px;padding-top:20px;gap:16px}
 .home-description h1{font-size:2.125rem}
 .home-description-inner{gap:14px;padding-top:0}
 .home-copy{min-height:0}
 .home-description h2{font-size:.9375rem}
 .home-description p{font-size:.9375rem}
 .home-step-controls{gap:10px}
 .site-footer{gap:0 12px;font-size:.8125rem}
 .about-contact{gap:12px 20px}
 .about-email{font-size:clamp(1.125rem,4.8vw,1.375rem)}
 .practice-statement{margin:24px 0}
 .evidence-compact:not(.evidence-three) .image-button{height:auto}
 .evidence-compact:not(.evidence-three) img{height:auto;max-height:none}
}
@media(max-width:480px){
 .evidence-compact{grid-template-columns:minmax(0,1fr);gap:24px}
 .v-grid{grid-template-columns:minmax(0,1fr);gap:22px}
 .v-evidence{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:360px){
 .identity{font-size:.8125rem}
 .identity img{width:23px}
 .utility-nav{gap:8px}
 .header-inner{column-gap:8px}
 .view-nav{gap:24px}
 .home-step-controls{gap:8px}
 .home-orbit-controls{gap:0}
}

/* R8: a letter, with the portfolio's thread ending at the send control. */
.contact-section{--contact-leading:2.25rem}
.contact-heading{margin:0 0 clamp(32px,4vw,52px)}
.contact-heading h2{font-size:clamp(2rem,3.5vw,3rem);line-height:1.1;letter-spacing:-.055em;font-weight:400}
.contact-layout{max-width:1120px;display:grid;grid-template-columns:minmax(180px,.58fr) minmax(0,1.42fr);gap:clamp(32px,5vw,80px);align-items:start}
.contact-address{padding-top:8px;min-width:0}
.contact-to{margin:0 0 14px;font-size:.75rem;line-height:1.5;color:var(--muted)}
.contact-recipient{display:flex;align-items:center;gap:10px;margin:0;font-size:1.0625rem;line-height:1.5;letter-spacing:-.025em}
.contact-address .contact-direct{display:flex;flex-direction:column;align-items:flex-start;gap:0;margin:20px 0 0;padding:0;border:0}
.contact-address .contact-direct a{font-size:.875rem;min-height:40px;color:var(--ink);text-decoration:underline;text-decoration-color:var(--guide);text-underline-offset:4px;overflow-wrap:anywhere}
.contact-address .contact-direct a:hover{color:var(--blue);text-decoration-color:currentColor}
.contact-address .contact-copy{font-size:.8125rem;min-height:44px;padding:0;color:var(--muted);background:none;border:0}
.contact-address .contact-copy:hover{color:var(--blue)}
.contact-address .contact-status{font-size:.8125rem;line-height:1.6;padding-top:8px;overflow-wrap:anywhere}
.contact-body{width:100%;min-width:0}
.contact-form{display:grid;gap:30px;margin:0;min-width:0}
.contact-fields{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:32px}
.contact-field{display:grid;gap:4px;min-width:0}
.contact-field label{font-size:.8125rem;line-height:1.5;font-weight:400;color:var(--muted)}
.contact-field input,.contact-field textarea{display:block;width:100%;min-width:0;max-width:100%;border:0;border-radius:0;background:transparent;color:var(--ink);font:400 1rem/1.6 var(--font);box-shadow:none;caret-color:var(--blue)}
.contact-field input{min-height:48px;padding:8px 0 10px;border-bottom:1px solid var(--guide)}
.contact-field input:focus{border-bottom-color:var(--blue)}
.contact-field input:focus-visible,.contact-field textarea:focus-visible{outline:2px solid var(--blue);outline-offset:5px}
.contact-letter{gap:20px}
.contact-letter .contact-salutation{color:var(--ink);font-size:clamp(1.5rem,2.4vw,2rem);line-height:1.3;letter-spacing:-.045em}
.contact-letter textarea{height:calc(var(--contact-leading)*5 + 1px);min-height:calc(var(--contact-leading)*5 + 1px);padding:0 0 1px;font-size:1.125rem;line-height:var(--contact-leading);letter-spacing:-.01em;resize:vertical;background-image:repeating-linear-gradient(to bottom,transparent 0,transparent calc(var(--contact-leading) - 1px),var(--line) calc(var(--contact-leading) - 1px),var(--line) var(--contact-leading));background-attachment:local}
.contact-letter textarea:focus{background-image:repeating-linear-gradient(to bottom,transparent 0,transparent calc(var(--contact-leading) - 1px),#173ff22b calc(var(--contact-leading) - 1px),#173ff22b var(--contact-leading))}
.contact-field input[readonly],.contact-field textarea[readonly]{color:var(--muted)}
.contact-honeypot{display:none}
.contact-send-row{display:flex;align-items:center;gap:22px;margin-top:2px;min-width:0}
.contact-send-thread{height:1px;background:var(--guide);flex:1;min-width:0;position:relative;transition:background-color .2s}
.contact-send-thread::before{content:"";position:absolute;width:5px;height:5px;border:1px solid var(--guide);background:var(--white);border-radius:50%;left:0;top:-2px}
.contact-send-row:focus-within .contact-send-thread{background:var(--blue)}
.contact-submit{display:inline-flex;align-items:center;justify-content:flex-end;gap:20px;flex:0 0 auto;margin:0;padding:0;border:0;background:none;color:var(--ink);font:400 .875rem/1.5 var(--font);text-align:left;cursor:pointer;touch-action:manipulation}
.contact-send-mark{display:grid;place-items:center;flex:0 0 76px;width:76px;height:76px;border:1px solid var(--blue);border-radius:50%;color:var(--blue);background:var(--white);transition:background-color .2s,color .2s}
.contact-send-mark .icon{width:22px;height:22px;stroke-width:1.3;transition:transform .2s}
.contact-submit:hover .contact-send-mark,.contact-submit:focus-visible .contact-send-mark{background:var(--blue);color:var(--white)}
.contact-submit:hover .contact-send-mark .icon{transform:translate(2px,-2px)}
.contact-submit:disabled{color:var(--muted);cursor:wait}
.contact-submit:disabled .contact-send-mark{background:var(--surface);border-color:var(--guide);color:var(--muted)}
.contact-submit:disabled .icon{transform:none}
.contact-form-status{margin:-12px 0 0;font-size:.875rem;line-height:1.6;max-width:58ch;min-width:0}
.contact-form-status:empty{display:none}
.contact-form-status[data-state="success"]{color:var(--blue)}
.contact-form-status[data-state="error"]{color:var(--pink)}
.contact-privacy{font-size:.75rem;line-height:1.6;color:var(--muted);margin:-10px 0 0;max-width:58ch}
.contact-privacy a{color:inherit;text-decoration:underline;text-underline-offset:3px}
.home-experience[data-home-view="focus"] .home-point-label{font-size:.75rem}
.home-step-controls .icon-button:disabled{opacity:.3}
@media(max-width:360px){
 .home-step-controls{gap:4px}
 .home-step-controls output{min-width:30px}
}
@media(max-width:800px){
 .contact-layout{grid-template-columns:minmax(0,1fr);gap:32px}
 .contact-heading{margin-bottom:26px}
 .contact-address{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:24px;padding:0 0 24px;border-bottom:1px solid var(--line)}
 .contact-to{grid-column:1;margin-bottom:8px}
 .contact-recipient{grid-column:1}
 .contact-address .contact-direct{grid-column:2;grid-row:1/3;margin:0;align-items:flex-end}
 .contact-address .contact-direct a{min-height:28px}
 .contact-address .contact-status{grid-column:1/-1}
 .contact-form{gap:28px}
}
@media(max-width:520px){
 .contact-address{display:block;padding-bottom:24px}
 .contact-address .contact-direct{flex-direction:row;align-items:center;justify-content:space-between;gap:8px 16px;margin-top:8px}
 .contact-address .contact-direct a{min-height:44px}
 .contact-fields{grid-template-columns:minmax(0,1fr);gap:22px}
 .contact-letter{gap:16px}
 .contact-letter textarea{font-size:1rem}
 .contact-send-row{gap:16px}
 .contact-submit{gap:14px}
 .contact-send-mark{width:64px;height:64px;flex-basis:64px}
 .contact-privacy{margin-top:-8px}
}