.diagram-kit{--ink:#182c34;--muted:#3e5963;--accent:#157e87;--blue:#326fc0;--violet:#6957b8;--paper:#eef7f9;--fill:#fff;--gradient:linear-gradient(120deg,#157e87,#326fc0 55%,#6957b8);margin:0;padding:32px;color:var(--ink);background:var(--paper);font:16px/1.65 'Yu Gothic',Meiryo,sans-serif;box-sizing:border-box;border-radius:20px;overflow-wrap:anywhere;container-type:inline-size}.diagram-kit *{box-sizing:border-box}.diagram-kit h2{font-size:28px;line-height:1.4;margin:0;font-weight:800}.diagram-kit p{margin:8px 0 0}.dk-heading{margin-bottom:32px}.dk-heading p, .diagram-kit figcaption{color:var(--muted)}.diagram-kit figcaption{font-size:16px;margin-top:28px;border-top:1px solid #bbcdd3;padding-top:14px}.diagram-kit strong{display:block;font-size:21px;line-height:1.45}.diagram-kit ol,.diagram-kit ul{list-style:none;padding:0;margin:0}.dk-node{padding:20px;background:var(--fill);border-radius:14px;min-width:0}.dk-number,.dk-letter{font-size:38px;color:var(--accent);line-height:1.2;display:block}.dk-label{display:inline-block;color:var(--accent);font-weight:800;margin-bottom:12px}.skin-gradient .dk-number,.skin-gradient .dk-letter{background:var(--gradient);background-clip:text;color:transparent}.skin-soft{--paper:#e7ebef;--fill:#e7ebef}.skin-soft .dk-node,.skin-soft .dk-ribbon section,.skin-soft .dk-ring span{box-shadow:6px 6px 13px #bac2cc,-6px -6px 13px #fff}.skin-flat{--gradient:linear-gradient(#157e87,#157e87)}.dk-vertical li{position:relative;display:grid;grid-template-columns:48px 1fr 36px;gap:16px;padding:0 0 30px 24px;border-left:3px solid var(--accent)}.dk-vertical li:before{content:'';position:absolute;left:-8px;top:12px;background:var(--accent);width:13px;height:13px;border-radius:50%}.dk-vertical li:last-child{padding-bottom:0}.dk-disc{height:28px;width:28px;border:3px solid var(--accent);border-radius:50%;margin-top:8px}.dk-horizontal,.dk-chevron,.dk-ribbon,.dk-columns,.dk-branches,.dk-causal,.dk-chain,.dk-evidence{display:flex;gap:20px}.dk-horizontal>*,.dk-chevron>*,.dk-ribbon>*,.dk-columns>*,.dk-branches>*,.dk-causal>*,.dk-chain>*,.dk-evidence>*{flex:1;min-width:0}.dk-horizontal li{border-top:4px solid var(--accent);padding-top:16px}.dk-chevron{gap:6px}.dk-chevron .dk-node{border-radius:0;padding:24px 24px 24px 20px;clip-path:polygon(0 0,92% 0,100% 50%,92% 100%,0 100%,8% 50%);background:linear-gradient(135deg,#c7e9e8,#d3dcf3)}.dk-ribbon section{background:var(--fill);padding:0 18px 20px;border-radius:14px;overflow:hidden}.dk-ribbon header{background:var(--gradient);color:#fff;padding:12px;margin:0 -18px 20px;display:flex;align-items:center;gap:10px}.dk-ribbon header b{font-size:32px}.dk-wave{display:flex;padding:15px 0 30px}.dk-wave section{flex:1;min-width:0;border-top:5px solid var(--accent);border-radius:50% 50% 0 0;padding:28px 16px}.dk-wave section:nth-child(even){border-top:0;border-bottom:5px solid var(--blue);border-radius:0 0 50% 50%;padding-top:65px}.dk-alternating{position:relative}.dk-alternating:before{content:'';position:absolute;left:50%;top:0;bottom:0;width:3px;background:var(--gradient)}.dk-alternating li{position:relative;display:flex;align-items:center;gap:20px;width:52%;padding-bottom:24px}.dk-alternating li:nth-child(even){margin-left:48%}.dk-alternating li:nth-child(odd){flex-direction:row-reverse}.dk-alternating .dk-number{background:var(--paper);position:relative;flex:none}.dk-stairs section{margin-left:calc(var(--i)*28px);border-bottom:4px solid var(--accent);padding:12px 0}.dk-stairs .dk-node{display:grid;grid-template-columns:48px 1fr;gap:8px}.dk-stairs p{grid-column:2}.dk-cycle{border:3px dashed var(--accent);border-radius:36px;padding:24px;display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.dk-cycle section{background:var(--fill);border-radius:18px;padding:18px}.dk-cycle section:after{content:'→';color:var(--accent);font-size:28px}.dk-repeat{grid-column:1/-1;text-align:center;color:var(--accent)}.dk-rings{display:flex;gap:32px;text-align:center}.dk-rings section{flex:1;min-width:0}.dk-ring{width:110px;height:110px;background:var(--gradient);padding:4px;border-radius:50%;margin:0 auto 20px}.dk-ring span{display:grid;place-items:center;border-radius:50%;height:100%;background:var(--paper);font-size:44px;font-weight:800}.dk-beforeafter{display:grid;grid-template-columns:1fr 1fr;gap:38px}.dk-beforeafter section+section{position:relative}.dk-beforeafter section+section:before{content:'→';position:absolute;left:-32px;top:50%;font-size:26px;color:var(--accent)}.dk-pair-row{display:grid;grid-template-columns:48px 1fr 1fr;gap:20px;align-items:center;border-bottom:2px solid #bdcfd5;padding:20px 0}.dk-equation{display:flex;align-items:center;gap:18px;text-align:center}.dk-equation>div{flex:1;min-width:0}.dk-equation strong{font-size:34px;color:var(--accent)}.dk-operator{font-size:30px}.dk-common-band,.dk-whole-band{padding:16px 24px;background:var(--gradient);color:white;font-size:22px;font-weight:800;border-radius:12px;text-align:center;margin-bottom:24px!important}.dk-trunk{display:block;width:3px;height:30px;background:var(--accent);margin:auto}.dk-branches{border-top:3px solid var(--accent);padding-top:24px}.dk-branches .dk-node{position:relative}.dk-branches .dk-node:before{content:'';height:24px;width:3px;background:var(--accent);position:absolute;top:-24px;left:50%}.dk-hub{display:grid;grid-template-columns:120px 1fr;gap:30px;align-items:center}.dk-center{width:110px;height:110px;border-radius:50%;background:var(--gradient);color:white;display:grid;place-items:center;font-size:26px}.dk-hub>div{display:grid;gap:18px;border-left:3px solid var(--accent);padding-left:24px}.dk-pyramid section{width:calc(55% + var(--i)*12%);max-width:100%;margin:6px auto;padding:18px;background:linear-gradient(110deg,#c6e6e5,#d7d7f0);text-align:center;border-radius:8px}.dk-nest{padding:22px;border:2px solid var(--accent);border-radius:18px;background:#ffffff50}.dk-nest .dk-nest{margin-top:20px}.dk-shelves section{display:grid;grid-template-columns:54px 1fr;align-items:center;border-bottom:5px solid var(--accent);padding:18px 0}.dk-shelves section>b{font-size:40px;color:var(--accent)}.dk-mapping{margin:0}.dk-mapping>div{display:grid;grid-template-columns:1fr 1.3fr;gap:34px;margin:18px 0;align-items:center}.dk-mapping dt{font-size:21px;font-weight:bold;border-left:5px solid var(--accent);padding:14px}.dk-mapping dd{position:relative;margin:0;padding:18px;background:var(--fill);border-radius:14px}.dk-mapping dd:before{content:'→';position:absolute;left:-28px;top:25%;color:var(--accent);font-size:26px}.dk-causal .dk-node+.dk-node,.dk-chain .dk-node+.dk-node{position:relative}.dk-causal .dk-node+.dk-node:before{content:'→';position:absolute;left:-22px;top:45%;color:var(--accent)}.dk-chain{gap:26px}.dk-chain .dk-node{border:3px solid var(--accent);border-radius:40px}.dk-chain .dk-node+.dk-node:before{content:'';position:absolute;left:-31px;top:45%;width:28px;height:10px;border:2px solid var(--blue);border-radius:9px}.dk-matrix>div{display:grid;grid-template-columns:1fr 1fr;gap:5px;border-left:3px solid var(--accent);border-bottom:3px solid var(--accent);padding:10px}.dk-axis-y,.dk-axis-x{display:block;font-weight:700;padding:12px}.dk-axis-x{text-align:right}.dk-overlap{position:relative;padding-top:130px}.dk-overlap-shapes{position:absolute;top:0;left:10%;width:80%;height:150px;display:flex;justify-content:center}.dk-overlap-shapes span{height:150px;width:190px;border-radius:50%;border:3px solid var(--accent);background:#157e8722}.dk-overlap-shapes span+span{margin-left:-60px;border-color:var(--violet);background:#6957b822}.dk-overlap-labels{display:grid;grid-template-columns:1fr 1fr;gap:20px}.dk-overlap-common{position:absolute;top:60px;left:0;right:0;text-align:center}.dk-distance>div:first-child{display:flex;justify-content:space-between}.dk-distance-points{display:flex;justify-content:space-between;margin:20px 0}.dk-distance-points i{height:26px;width:26px;background:var(--gradient);border-radius:50%}.dk-distance>strong,.dk-distance>p{text-align:center}.dk-bracket{display:block;height:30px;border:3px solid var(--accent);border-top:0;margin:10px 0}.dk-time-axis{text-align:right;border-bottom:3px solid var(--accent);padding:12px 0;font-weight:700}.dk-timing section{margin:24px 0}.dk-time-track{height:24px;background:#bccbd455;border-radius:20px;margin:10px 0}.dk-time-track span{display:block;height:100%;background:var(--gradient);border-radius:20px}.dk-whole-parts{display:flex}.dk-whole-parts section{flex:1;min-width:0;border:2px solid #b8cbd2}.dk-whole-parts .dk-selected{border:4px solid var(--accent)}.dk-subset{text-align:center;font-weight:800;margin-top:18px;color:var(--accent)}.dk-range-stops{display:flex;justify-content:space-between;gap:14px}.dk-range-stops strong{flex:1;text-align:center}.dk-range-route{display:block;height:4px;background:var(--gradient);margin:20px 0}.dk-range-short{width:50%;margin:0 auto;padding:16px 0;border-top:4px solid var(--blue);text-align:center}.dk-range-full{border:3px solid var(--accent);border-top:0;padding:14px;text-align:center}.dk-checklist li{display:flex;align-items:flex-start;gap:20px;padding:18px 0;border-bottom:1px solid #b8cbd2}.dk-checklist li>span{font-size:28px;color:var(--accent);background:white;border-radius:50%;padding:0 10px}.dk-spotlight{position:relative;padding:40px 24px;text-align:center;border:2px solid #87b9d3;border-radius:22px;background:radial-gradient(ellipse at top,#9beaff66,transparent 75%)}.dk-spotlight strong{font-size:34px}.dk-evidence .dk-label{border-bottom:3px solid var(--accent);padding-bottom:8px}.dk-qa{display:flex;align-items:center;gap:24px}.dk-question-mark{font-size:100px;font-weight:800;color:var(--accent);line-height:1}.dk-qa strong{margin:8px 0}.dk-part-raised,.dk-part-inset,.dk-part-glow{padding:24px;border-radius:18px;background:#e7ebef;box-shadow:6px 6px 12px #bac2cc,-6px -6px 12px #fff}.dk-part-inset{box-shadow:inset 4px 4px 8px #bac2cc,inset -4px -4px 8px #fff}.dk-part-glow{border:2px solid #326fc0;box-shadow:0 0 16px #38b5e866,inset 0 0 12px white}.dk-part-arrow{font-size:44px;color:var(--accent)}.dk-part-dots{display:flex;gap:14px}.dk-part-dots i{width:22px;height:22px;background:var(--accent);border-radius:50%}.dk-part-dots i:nth-child(2){background:var(--blue)}.dk-part-dots i:nth-child(3){background:var(--violet)}.diagram-kit mark{background:#f4e85a;color:#182c34;padding:4px}
@container(max-width:480px){.dk-horizontal,.dk-chevron,.dk-ribbon,.dk-columns,.dk-branches,.dk-causal,.dk-chain,.dk-evidence,.dk-wave{flex-direction:column}.dk-wave section:nth-child(even){padding-top:24px}.dk-alternating:before{left:18px}.dk-alternating li,.dk-alternating li:nth-child(even),.dk-alternating li:nth-child(odd){width:100%;margin-left:0;flex-direction:row}.dk-cycle{grid-template-columns:1fr;padding:16px}.dk-beforeafter{grid-template-columns:1fr;gap:26px}.dk-beforeafter section+section:before{content:'↓';left:auto;right:0;top:-28px}.dk-equation{flex-direction:column}.dk-hub{grid-template-columns:1fr}.dk-center{margin:auto}.dk-pair-row{grid-template-columns:32px 1fr}.dk-pair-row p{grid-column:2}.dk-mapping>div{grid-template-columns:1fr;gap:8px}.dk-mapping dd:before{display:none}.dk-whole-parts{flex-direction:column}.dk-stairs section{margin-left:calc(var(--i)*8px)}.dk-pyramid section{width:calc(80% + var(--i)*4%)}.dk-causal .dk-node+.dk-node:before{content:'↓';left:auto;right:12px;top:-24px}.dk-chain .dk-node+.dk-node:before{left:50%;top:-30px;width:10px;height:28px}.dk-nest{padding:12px}.dk-rings{gap:18px}.dk-ring{width:84px;height:84px}.dk-overlap-labels{grid-template-columns:1fr}.dk-matrix .dk-node{padding:12px}.dk-range-stops strong{font-size:18px}}
@media(max-width:480px){.diagram-kit{padding:22px 18px}.diagram-kit h2{font-size:25px}}
.skin-soft .dk-disc{border-color:#fff;background:var(--gradient);box-shadow:3px 3px 7px #aebac9,-3px -3px 7px #fff}.skin-soft .dk-spotlight,.skin-soft .dk-cycle{box-shadow:7px 7px 16px #bac2cc,-7px -7px 16px #fff}.skin-soft .dk-time-track{box-shadow:inset 3px 3px 6px #aebac9,inset -3px -3px 6px #fff}.skin-soft .dk-time-track span{box-shadow:0 0 10px #38b5e866}
/* v2 — readable type, purpose-specific alignment, stronger connectors */
.diagram-kit{--muted:#293e4d;--accent:#6238c4;--blue:#2464c5;--violet:#a32a83;--paper:#f0eef8;--gradient:linear-gradient(120deg,#6238c4,#a32a83);font-size:18px;line-height:1.55;padding:26px;font-weight:500}.diagram-kit h2{font-size:30px;text-wrap:balance}.diagram-kit strong{font-size:23px;text-wrap:balance}.diagram-kit p{color:#293e4d;font-weight:500;margin-top:7px;text-wrap:pretty}.dk-heading{margin-bottom:24px;text-align:center}.dk-heading p{font-size:18px}.diagram-kit figcaption{font-size:17px;color:#293e4d;margin-top:20px;padding-top:12px}.dk-node{padding:18px}.dk-number{font-size:42px;font-weight:800}.dk-vertical{max-width:620px;margin-inline:auto!important}.dk-vertical li{grid-template-columns:48px 1fr 30px;padding-bottom:22px;border-left-width:5px}.dk-vertical li:before{left:-10px;width:15px;height:15px}.dk-disc{border-width:4px}.dk-horizontal,.dk-chevron,.dk-ribbon,.dk-columns,.dk-branches,.dk-causal,.dk-chain,.dk-evidence{gap:16px}.dk-horizontal,.dk-chevron,.dk-ribbon,.dk-columns,.dk-branches,.dk-causal,.dk-chain,.dk-evidence,.dk-cycle{text-align:center}.dk-ribbon header{justify-content:center}.dk-horizontal li{border-top-width:5px}.dk-trunk{width:5px}.dk-branches{border-top-width:5px}.dk-branches .dk-node:before{width:5px}.dk-bracket{border-width:5px;border-top:0}.dk-range-route{height:6px}.dk-range-full{border-width:5px;border-top:0}.dk-range-short{border-top-width:5px}.dk-time-axis{border-bottom-width:5px}.dk-alternating:before{width:5px}.dk-mapping dt{border-left-width:6px}.dk-ring{padding:6px}.dk-stairs section{border-bottom-width:5px}.dk-nest{border-width:3px}.dk-center{background:var(--gradient)}.dk-spotlight{padding:28px 20px}.dk-qa{max-width:650px;margin:auto}.dk-qa .dk-label{margin-bottom:2px}.dk-cycle{padding:18px;gap:18px;border-width:4px}.dk-wave{padding-bottom:16px}.dk-common-band,.dk-whole-band{color:#fff!important}.dk-chevron .dk-node,.dk-pyramid section{background:color-mix(in srgb,var(--accent) 13%,white)}
.diagram-kit[data-palette="violet"]{--accent:#6238c4;--gradient:linear-gradient(120deg,#5930b7,#8350d2);--paper:#f1eef9}.diagram-kit[data-palette="pink"]{--accent:#b32372;--gradient:linear-gradient(120deg,#a92371,#cc3663);--paper:#fbf0f6}.diagram-kit[data-palette="orange"]{--accent:#ab4c0b;--gradient:linear-gradient(120deg,#984505,#be5424);--paper:#fff4e9}.diagram-kit[data-palette="teal"]{--accent:#087a7e;--gradient:linear-gradient(120deg,#077677,#187192);--paper:#eaf7f6}.diagram-kit[data-palette="blue"]{--accent:#2464c5;--gradient:linear-gradient(120deg,#235dbb,#5453bd);--paper:#eef3fc}
[data-palette="spectrum"] .dk-content>:not(.dk-equation)>:nth-child(5n+1){--accent:#6238c4;--gradient:linear-gradient(120deg,#5930b7,#8350d2)}
[data-palette="spectrum"] .dk-content>:not(.dk-equation)>:nth-child(5n+2){--accent:#b32372;--gradient:linear-gradient(120deg,#a92371,#cc3663)}
[data-palette="spectrum"] .dk-content>:not(.dk-equation)>:nth-child(5n+3){--accent:#ab4c0b;--gradient:linear-gradient(120deg,#984505,#be5424)}
[data-palette="spectrum"] .dk-content>:not(.dk-equation)>:nth-child(5n+4){--accent:#087a7e;--gradient:linear-gradient(120deg,#077677,#187192)}
[data-palette="spectrum"] .dk-content>:not(.dk-equation)>:nth-child(5n+5){--accent:#2464c5;--gradient:linear-gradient(120deg,#235dbb,#5453bd)}
.skin-soft{--paper:#eaeaf0;--fill:#eaeaf0}.skin-flat .dk-number,.skin-flat .dk-letter{background:none;color:var(--accent)}
@container(max-width:480px){.dk-heading h2{font-size:27px}.dk-node strong{font-size:22px}.dk-nest{padding:12px}.dk-cycle{gap:12px}.dk-vertical li{padding-inline-start:16px;gap:10px}.dk-pyramid section{padding:16px}}
/* F09 — linked discs with alternating dotted description capsules */
.dk-connected-orbs{position:relative;max-width:720px;margin:auto!important;padding-block:6px!important}.dk-connected-orbs:before{content:'';position:absolute;width:68px;top:42px;bottom:42px;left:calc(50% - 34px);background:linear-gradient(#18b5cb,#3b87d5,#7138c5,#b641b8);border-radius:45%}.dk-connected-orbs li{position:relative;display:grid;grid-template-columns:1fr 104px 1fr;align-items:center;min-height:138px;padding:10px 0;gap:12px}.dk-orb-number{grid-column:2;grid-row:1;width:104px;height:104px;display:grid;place-items:center;border:5px solid var(--accent);background:var(--paper);border-radius:50%;font-size:34px;color:var(--accent);box-shadow:0 8px 10px #182c3420;z-index:1}.dk-orb-copy{grid-column:1;grid-row:1;text-align:right;border:2px dotted var(--accent);border-right:0;border-radius:60px 0 0 60px;padding:16px 12px 16px 20px;margin-right:-25px;padding-right:25px;background:var(--paper)}.dk-connected-orbs li:nth-child(even) .dk-orb-copy{grid-column:3;text-align:left;border:2px dotted var(--accent);border-left:0;border-radius:0 60px 60px 0;margin-right:0;margin-left:-25px;padding:16px 20px 16px 25px}.dk-orb-copy strong{font-size:22px}.dk-orb-copy p{font-size:18px}
/* F10 — oversized numerals rising behind a diagonal white fold */
.dk-folded-numbers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 22px}.dk-folded-numbers li{position:relative;min-width:0;padding-top:75px;background:radial-gradient(circle,var(--accent) 1px,transparent 1.5px) 0 0/16px 16px;border-radius:12px;overflow:hidden}.dk-fold-number{position:absolute;top:-14px;left:12px;font:bold 128px/1.2 Arial,sans-serif;color:var(--accent);background:var(--gradient);background-clip:text;-webkit-text-fill-color:transparent}.dk-fold-copy{position:relative;background:var(--fill);padding:30px 18px 18px;clip-path:polygon(28px 0,100% 0,100% 100%,0 100%,0 28px);border-top:4px solid var(--accent);box-shadow:0 -8px 18px #182c3426;text-align:center}.dk-fold-copy strong{font-size:22px}
/* F11 — outlined numeral intersecting a generous open circle */
.dk-outline-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 22px}.dk-outline-steps li{position:relative;min-width:0;display:flex;align-items:center;padding-left:36px}.dk-outline-number{position:absolute;left:0;top:10px;z-index:1;font:bold 82px/1 Arial,sans-serif;color:var(--paper);-webkit-text-stroke:2px #293e4d;paint-order:stroke fill}.dk-round-copy{position:relative;width:100%;min-height:220px;border:4px solid #3d4755;border-radius:48%;padding:20px 15px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}.dk-round-copy:before{content:'';position:absolute;top:2px;left:18%;width:10px;height:10px;background:var(--paper);border:3px solid #3d4755;border-radius:50%}.dk-step-pill{display:block;border-radius:40px;background:var(--gradient);color:white;padding:5px 18px;font-size:17px;font-weight:800;margin:0 -8px 10px}.dk-round-copy strong{font-size:22px}.dk-round-copy p{font-size:18px}.skin-flat .dk-fold-number{background:none;-webkit-text-fill-color:var(--accent)}.skin-soft .dk-orb-number,.skin-soft .dk-round-copy{box-shadow:6px 6px 12px #bac2cc,-6px -6px 12px white}
@container(max-width:480px){.dk-connected-orbs:before{left:30px;width:20px}.dk-connected-orbs li{grid-template-columns:80px minmax(0,1fr);gap:12px;min-height:120px}.dk-orb-number{grid-column:1;width:80px;height:80px;font-size:28px}.dk-connected-orbs li .dk-orb-copy,.dk-connected-orbs li:nth-child(even) .dk-orb-copy{grid-column:2;text-align:left;border:2px dotted var(--accent);border-left:0;border-radius:0 28px 28px 0;padding:14px 12px;margin:0}.dk-folded-numbers,.dk-outline-steps{grid-template-columns:1fr;gap:22px}.dk-outline-steps li{max-width:330px;width:100%;margin:auto}.dk-folded-numbers li{padding-top:68px}.dk-round-copy{min-height:200px}.dk-orb-copy strong{font-size:21px}}
.dk-folded-numbers li{padding-top:112px;background-size:22px 22px}.dk-fold-number{top:0;left:18px;font-size:108px;line-height:1}.dk-fold-copy{clip-path:polygon(42px 0,100% 0,100% 100%,0 100%,0 42px);padding-top:26px;border-top:0}.dk-outline-number{-webkit-text-stroke:3px #293e4d}.dk-round-copy{border-radius:50%}
@container(max-width:480px){.dk-folded-numbers li{padding-top:112px}}
/* Reference-specific layouts are intentionally isolated from common skins. */
.reference-diagram{margin:0;background:white;padding:0;color:#333}.reference-diagram svg{display:block;width:100%;height:auto}.reference-diagram h2,.reference-diagram figcaption{text-align:center;padding:16px;margin:0}.thumbnail .reference-diagram{width:540px;transform-origin:top left}#preview:has(.reference-diagram){align-self:start}
/* F01: raised description surfaces requested 2026-10-11. */
.skin-soft .dk-vertical li{grid-template-columns:48px minmax(0,1fr);align-items:center;gap:16px;padding-bottom:20px}
.skin-soft .dk-vertical li:last-child{padding-bottom:0}
.skin-soft .dk-vertical li>div{min-width:0;padding:18px 62px 18px 20px;border-radius:18px;background:var(--paper);border:1px solid #ffffff90;box-shadow:6px 6px 12px #b9becb,-6px -6px 12px #fff}
.skin-soft .dk-vertical li>.dk-disc{position:absolute;right:18px;top:22px;margin:0;width:28px;height:28px}
.skin-soft .dk-vertical li>.dk-number{align-self:start;margin-top:18px}
.skin-soft .dk-vertical li:before{top:32px}
@container(max-width:480px){.skin-soft .dk-vertical li{grid-template-columns:36px minmax(0,1fr);gap:10px;padding-inline-start:16px}.skin-soft .dk-vertical li>div{padding:16px 46px 16px 14px}.skin-soft .dk-vertical li>.dk-disc{right:12px;top:20px;width:24px;height:24px}.skin-soft .dk-vertical li>div strong{font-size:22px}}
/* F03 soft: separate raised surfaces from directional connectors. */
.skin-soft .dk-chevron{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;padding:8px 2px}
.skin-soft .dk-chevron .dk-node{position:relative;clip-path:none;border-radius:18px;padding:22px 16px;background:linear-gradient(135deg,#f5f5fa 0%,#e6e7ee 100%);border:1px solid #ffffffb3;box-shadow:7px 7px 13px #b6bbc9,-7px -7px 13px #fff;text-align:center}
.skin-soft .dk-chevron .dk-number{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:var(--gradient);color:#fff;font-size:34px;box-shadow:3px 4px 7px #9ea6b955,inset 1px 1px 1px #ffffff80}
.skin-soft .dk-chevron .dk-node strong{font-size:23px;line-height:1.5}
.skin-soft .dk-chevron .dk-node p{font-size:18px;line-height:1.6;color:#293e4d}
.skin-soft .dk-chevron .dk-node+.dk-node:before{content:'›';position:absolute;left:-24px;top:45%;font-size:32px;line-height:1;font-weight:800;color:#526078;text-shadow:1px 1px white}
@container(max-width:600px){.skin-soft .dk-chevron{grid-template-columns:1fr;gap:24px}.skin-soft .dk-chevron .dk-node{display:grid;grid-template-columns:56px minmax(0,1fr);column-gap:18px;row-gap:4px;padding:18px 22px;text-align:left;align-items:center}.skin-soft .dk-chevron .dk-number{grid-row:1/3;margin:0}.skin-soft .dk-chevron .dk-node p{margin:0}.skin-soft .dk-chevron .dk-node+.dk-node:before{content:'⌄';left:calc(50% - 10px);top:-27px;font-size:26px}}
/* F05 — a dedicated raised wave rail, with text safely below it. */
.dk-wave{display:flex;flex-direction:row;gap:0;padding:22px 0 8px;isolation:isolate}
.dk-wave section,.dk-wave section:nth-child(even){flex:1;min-width:0;padding:0;border:0;border-radius:0;position:relative}
.dk-wave-track{height:182px;position:relative;margin-bottom:14px}
.dk-wave-track svg{display:block;overflow:visible;width:100%;height:152px}
.dk-wave-track path{fill:none;stroke-linecap:butt;stroke-linejoin:round}
.dk-wave-depth{stroke:#969dab;stroke-width:13;transform:translateY(7px);filter:blur(2px);opacity:.5}
.dk-wave-ridge{stroke:var(--accent);stroke-width:10}
.dk-wave-light{stroke:#ffffff9c;stroke-width:2;transform:translateY(-3px)}
.dk-wave-badge{position:absolute;left:50%;top:var(--badge-y);transform:translate(-50%,-50%);width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--gradient);border:3px solid #f9faff;font-size:26px;color:white;line-height:1;box-shadow:0 5px 0 #b5bdcc,0 9px 12px #64718b55,inset 1px 2px 3px #ffffff9c;z-index:1}
.dk-wave-copy{margin:0 9px;padding:18px 12px;text-align:center;border-radius:16px;background:linear-gradient(140deg,#fafaff,#e5e7f0);border:1px solid #ffffffc0;box-shadow:5px 6px 10px #b8becb,-5px -5px 10px #fff;min-width:0}
.dk-wave-copy strong{font-size:22px;line-height:1.5}.dk-wave-copy p{font-size:18px;line-height:1.6;margin-top:9px}
@container(max-width:420px){.dk-wave{flex-direction:column;gap:24px;padding-top:10px}.dk-wave section,.dk-wave section:nth-child(even){display:grid;grid-template-columns:74px minmax(0,1fr);align-items:center;gap:12px}.dk-wave-track{height:100%;min-height:104px;margin:0}.dk-wave-track svg{height:100%;position:absolute;inset:0;transform:rotate(0deg)}.dk-wave-badge{top:50%!important;width:44px;height:44px;font-size:24px}.dk-wave-copy{margin:0;padding:16px;text-align:left}.dk-wave section:before{display:none}.dk-wave-copy strong{font-size:22px}.dk-wave-copy p{font-size:18px}}
@container(min-width:421px){.dk-wave section,.dk-wave section:nth-child(even){display:grid;grid-template-rows:182px 1fr;gap:14px}.dk-wave-track{margin-bottom:0}.dk-wave-copy{height:100%}}
/* F08 — separate stages and explicit directional connections. */
.dk-cycle,.skin-soft .dk-cycle{display:flex;flex-direction:column;gap:36px;border:0;border-radius:0;padding:0 8px;box-shadow:none;text-align:left}
.dk-cycle section{position:relative;display:grid;grid-template-columns:52px minmax(0,1fr);gap:6px 18px;align-items:center;padding:20px 24px;border-radius:18px;background:var(--fill);border:1px solid #ffffffb0}
.dk-cycle section>.dk-number{grid-row:1/3;text-align:center;font-size:38px}
.dk-cycle section>p{margin:0;grid-column:2}
.dk-cycle section:after{display:none}
.dk-cycle section+section:before{content:'↓';position:absolute;top:-37px;left:calc(50% - 12px);font-size:30px;line-height:34px;font-weight:800;color:#425775}
.skin-soft .dk-cycle section{background:linear-gradient(135deg,#f7f7fc,#e4e6ee);box-shadow:6px 7px 12px #b7bfcd,-6px -6px 12px #fff}
.dk-cycle-return{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:-14px;padding:8px 0;color:#245e9e}
.dk-cycle-return>span{font-size:36px;line-height:1}
@container(max-width:420px){.dk-cycle section{padding:18px 16px;grid-template-columns:36px minmax(0,1fr);gap:6px 12px}.dk-cycle section>strong{font-size:22px}.dk-cycle section>.dk-number{font-size:32px}.dk-cycle-return{font-size:16px}}
/* F08: compact boxes with a raised return rail outside the text area. */
.dk-cycle,.skin-soft .dk-cycle{position:relative;display:grid;grid-template-columns:minmax(0,1fr);grid-auto-rows:1fr;gap:44px;padding:0 86px 0 4px;max-width:630px;margin-inline:auto}
.dk-cycle section{padding:18px 22px;grid-template-columns:42px minmax(0,1fr);gap:6px 14px}
.dk-cycle section+section:before{content:'';width:24px;height:29px;left:calc(50% - 12px);top:-36px;background:linear-gradient(110deg,#adc4e9 0%,#507daf 43%,#315889 73%,#87a5d0 100%);clip-path:polygon(30% 0,70% 0,70% 56%,100% 56%,50% 100%,0 56%,30% 56%);filter:drop-shadow(2px 3px 2px #718099);border:0}
.dk-cycle-loop{position:absolute;right:0;width:80px;top:calc((100% - (var(--cycle-count) - 1)*44px)/var(--cycle-count)/2 - 6px);bottom:calc((100% - (var(--cycle-count) - 1)*44px)/var(--cycle-count)/2 - 6px);pointer-events:none;filter:drop-shadow(4px 5px 3px #9ca7ba)}
.dk-cycle-loop svg{display:block;width:100%;height:100%;overflow:visible}.dk-cycle-loop path{fill:none;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}
.dk-loop-shadow{stroke:#7c8da5;stroke-width:13;transform:translate(1px,1px)}.dk-loop-body{stroke:#557db0;stroke-width:11}.dk-loop-shine{stroke:#c3d6f0;stroke-width:3;transform:translate(-2px,-1px)}
.dk-loop-head{position:absolute;left:0;top:calc(3% - 11px);width:25px;height:24px;background:linear-gradient(145deg,#c7dbf5,#577fae 48%,#355784);clip-path:polygon(0 50%,100% 0,100% 100%)}
@container(max-width:420px){.dk-cycle,.skin-soft .dk-cycle{padding-right:52px;gap:40px}.dk-cycle section{padding:16px 12px;grid-template-columns:28px minmax(0,1fr);gap:6px 10px}.dk-cycle-loop{width:47px;top:calc((100% - (var(--cycle-count) - 1)*40px)/var(--cycle-count)/2 - 6px);bottom:calc((100% - (var(--cycle-count) - 1)*40px)/var(--cycle-count)/2 - 6px)}.dk-cycle section+section:before{top:-34px;height:27px}.dk-loop-head{width:18px;height:22px}.dk-cycle section>strong{font-size:21px}.dk-cycle section>p{font-size:17px}}
/* Typography system v3: roles stay stable; layout adapts to text. */
.diagram-kit{--type-title:28px;--type-heading:22px;--type-body:18px;--type-note:16px;--type-number:36px;font-family:'Yu Gothic',Meiryo,sans-serif;font-size:var(--type-body);font-weight:500;line-height:1.65;letter-spacing:0;overflow-wrap:break-word;padding:28px}
.diagram-kit .dk-heading{max-width:34em;margin:0 auto 28px;text-align:center}
.diagram-kit .dk-heading h2{font-size:var(--type-title);font-weight:700;line-height:1.45;letter-spacing:.01em;text-wrap:balance;margin:0}
.diagram-kit .dk-heading p{font-size:var(--type-body);font-weight:500;line-height:1.6;margin:10px 0 0}
.diagram-kit .dk-content strong{font-size:var(--type-heading);font-weight:700;line-height:1.5;letter-spacing:0;text-wrap:balance}
.diagram-kit .dk-content p{font-size:var(--type-body);font-weight:500;line-height:1.65;letter-spacing:0;word-break:normal;line-break:strict;text-wrap:pretty;margin-top:8px}
.diagram-kit .dk-number{font-family:Arial,'Yu Gothic',sans-serif;font-size:var(--type-number);font-weight:700;line-height:1.15;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.diagram-kit figcaption{font-size:var(--type-note);font-weight:500;line-height:1.65;text-align:left;margin-top:24px;padding-top:14px}
.diagram-kit .dk-node{padding:22px 20px}
.dk-node>.dk-number{margin:0 0 14px}
.dk-content :is(.dk-label,.dk-step-pill){font-size:16px;line-height:1.4;font-weight:700;letter-spacing:.03em}
.dk-columns>.dk-node,.dk-branches>.dk-node,.dk-causal>.dk-node,.dk-chain>.dk-node{display:flex;flex-direction:column;justify-content:flex-start}
.dk-columns>.dk-node p,.dk-branches>.dk-node p,.dk-causal>.dk-node p,.dk-chain>.dk-node p{text-align:left;margin-top:12px}
.dk-horizontal .dk-node{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:flex-start}.dk-horizontal .dk-node p{text-align:left;width:100%;margin-top:12px}
.dk-ribbon section{padding:0 20px 22px}.dk-ribbon header{margin-inline:-20px;margin-bottom:18px}.dk-ribbon section>p{text-align:left;margin-top:12px}
.dk-paired .dk-pair-row{gap:16px}.dk-paired p{margin:0}
.dk-rings section>p{text-align:left;max-width:24em;margin:10px auto 0}
.dk-beforeafter .dk-label{margin-bottom:10px}.dk-beforeafter .dk-node{text-align:left}
.dk-alternating .dk-node{text-align:left}.dk-stairs .dk-node{grid-template-columns:44px 1fr;gap:6px 16px}.dk-stairs .dk-node>.dk-number{grid-row:1/3;margin:0}.dk-stairs .dk-node>p{margin:0}
.dk-shelves .dk-node{text-align:left}.dk-mapping dt{font-size:22px;line-height:1.5;font-weight:700}.dk-mapping dd{font-size:18px;line-height:1.65;padding:20px}.dk-nest p{margin:8px 0 0}.dk-nest .dk-nest{margin-top:20px}
.dk-matrix .dk-node{text-align:left;padding:20px}.dk-matrix .dk-node p{margin-top:10px}.dk-evidence section{text-align:left}.dk-evidence .dk-label{display:block;margin:0 0 12px;padding-bottom:10px}.dk-evidence .dk-node{height:calc(100% - 46px)}
.dk-checklist li{gap:16px;padding:20px 0}.dk-checklist li p{margin:8px 0 0}.dk-qa{gap:22px}.dk-qa .dk-label{display:block;margin:0 0 12px}.dk-qa strong{margin:0}.dk-qa p{margin-top:12px}
.diagram-kit .dk-spotlight strong{font-size:30px;line-height:1.5}.diagram-kit .dk-equation strong{font-size:32px;line-height:1.3}.dk-equation p{text-align:center}
.dk-content .dk-wave-copy{padding:20px 16px}.dk-content .dk-wave-copy p{margin-top:12px}.dk-cycle section>p{margin:0!important}.skin-soft .dk-chevron .dk-node>p{margin-top:8px}
@container(max-width:580px){.dk-horizontal,.dk-columns,.dk-branches,.dk-causal,.dk-chain,.dk-evidence,.dk-ribbon{flex-direction:column}.dk-horizontal li{border-top:0;border-left:5px solid var(--accent);padding:0 0 0 12px}.dk-horizontal .dk-node{display:grid;grid-template-columns:44px minmax(0,1fr);column-gap:16px;row-gap:6px;align-items:start;text-align:left}.dk-horizontal .dk-node>.dk-number{grid-row:1/3;margin:0}.dk-horizontal .dk-node p{margin:0;grid-column:2}.dk-evidence .dk-node{height:auto}.dk-causal .dk-node+.dk-node:before{content:'↓';left:auto;right:14px;top:-25px}.dk-chain .dk-node+.dk-node:before{left:50%;top:-29px;width:10px;height:26px}.dk-ribbon section{padding-bottom:20px}.dk-ribbon section>strong,.dk-ribbon section>p{text-align:left}.dk-matrix .dk-node{padding:14px}.dk-whole-parts{flex-direction:column}}
@container(max-width:420px){.diagram-kit .dk-content strong{font-size:21px}.dk-content .dk-node{padding:18px 16px}.dk-rings{flex-direction:column;gap:26px}.dk-rings section{display:grid;grid-template-columns:80px 1fr;column-gap:18px;text-align:left}.dk-rings .dk-ring{grid-row:1/3;width:76px;height:76px;margin:0}.dk-rings section>p{margin:8px 0 0}.dk-matrix>div{grid-template-columns:1fr}.dk-nest .dk-nest{padding:12px}.dk-wave-copy{text-align:left}.dk-cycle section{grid-template-columns:28px minmax(0,1fr)}.dk-pyramid section{width:100%;text-align:left}.dk-range-stops strong{font-size:18px!important}}
/* Neumorphic revision: continuous material, diffuse paired light, no hard bevel. */
.skeuo{--neu-surface:#e9ebf1;--neu-shadow:#c4cad6;--neu-light:#ffffff;--neu-raised:7px 7px 15px #c4cad6,-7px -7px 15px #fff;--neu-inset:inset 3px 3px 7px #c4cad6,inset -3px -3px 7px #fff;--paper:var(--neu-surface);--fill:var(--neu-surface);background:var(--neu-surface);border:0;box-shadow:none}
.skeuo.material-resin{--neu-raised:8px 9px 16px #bdc5d3,-8px -8px 16px #fff;--neu-inset:inset 4px 4px 8px #bdc5d3,inset -4px -4px 8px #fff}
.skeuo.material-metal{--neu-raised:5px 5px 13px #cdd2de,-5px -5px 13px #fff;--neu-inset:inset 2px 2px 6px #cdd2de,inset -2px -2px 6px #fff}
.skeuo .dk-content :is(.dk-node,.dk-ribbon section,.dk-wave-copy,.dk-cycle section,.dk-nest,.dk-mapping dd,.dk-pyramid section,.dk-fold-copy,.dk-round-copy,.dk-orb-copy,.dk-spotlight){background:var(--neu-surface);border:0;box-shadow:var(--neu-raised);border-radius:20px}
.skin-soft.skeuo .dk-vertical li>div{background:var(--neu-surface);border:0;box-shadow:var(--neu-raised);border-radius:20px}
.skeuo .dk-content .dk-node>.dk-number,.skeuo .dk-vertical .dk-number,.skeuo .dk-cycle .dk-number{display:grid;place-items:center;width:44px;height:48px;border-radius:14px;background:var(--neu-surface);color:var(--accent);-webkit-text-fill-color:var(--accent);border:0;box-shadow:4px 4px 9px #c4cad6,-4px -4px 9px #fff;font-size:29px;font-weight:700;text-shadow:none}
.skeuo .dk-horizontal .dk-node>.dk-number{margin-inline:auto}.skeuo .dk-vertical .dk-number,.skeuo .dk-cycle .dk-number{width:38px;height:44px;font-size:27px}
.skeuo .dk-heading h2,.skeuo .dk-content strong,.skeuo .dk-content p{text-shadow:none}
.skeuo .dk-ribbon header,.skeuo .dk-common-band,.skeuo .dk-whole-band,.skeuo .dk-step-pill,.skeuo .dk-center{background:var(--gradient);border:0;box-shadow:4px 5px 10px #c2c9d6,-4px -4px 10px white;text-shadow:none}
.skeuo .dk-ring{background:var(--neu-surface);padding:7px;box-shadow:var(--neu-raised)}.skeuo .dk-ring span{background:var(--neu-surface);box-shadow:var(--neu-inset);color:var(--accent);text-shadow:none}
.skeuo .dk-disc,.skeuo .dk-distance-points i,.skeuo .dk-part-dots i{background:var(--accent);box-shadow:4px 4px 8px #bfc7d5,-4px -4px 8px #fff;border:3px solid var(--neu-surface)}
.skeuo :is(.dk-bracket,.dk-range-route,.dk-trunk,.dk-branches,.dk-time-axis,.dk-range-full,.dk-range-short){filter:drop-shadow(2px 3px 3px #aebbd180)}
.skeuo .dk-time-track{background:var(--neu-surface);box-shadow:var(--neu-inset);border:0}.skeuo .dk-time-track span{background:var(--gradient);box-shadow:2px 3px 5px #b4bfd3}
.skeuo .dk-distance,.skeuo .dk-range,.skeuo .dk-timing{padding:20px;background:var(--neu-surface);border-radius:20px;box-shadow:var(--neu-inset);border:0}
.skeuo .dk-checklist li,.skeuo .dk-paired .dk-pair-row{margin-bottom:18px;padding:18px;background:var(--neu-surface);border:0;border-radius:18px;box-shadow:var(--neu-raised)}
.skeuo .dk-checklist li>span{background:var(--neu-surface);border:0;box-shadow:var(--neu-inset)}.skeuo .dk-qa{padding:22px;background:var(--neu-surface);border:0;border-radius:20px;box-shadow:var(--neu-raised)}
.skeuo .dk-equation>div{padding:16px;background:var(--neu-surface);border:0;border-radius:20px;box-shadow:var(--neu-raised)}
.skeuo .dk-overlap-shapes span{box-shadow:5px 6px 12px #b9c4d370,-5px -5px 12px #ffffffb3;background:#e3e8f04d}
.skeuo .dk-part-raised,.skeuo .dk-part-glow{background:var(--neu-surface);border:0;box-shadow:var(--neu-raised)}.skeuo .dk-part-inset{background:var(--neu-surface);border:0;box-shadow:var(--neu-inset)}
.skeuo .dk-content .dk-round-copy{border:0;border-radius:50%;background:var(--neu-surface)}.skeuo .dk-content .dk-orb-copy{border:2px dotted var(--accent);box-shadow:var(--neu-raised)}.skeuo .dk-orb-number{background:var(--neu-surface);box-shadow:var(--neu-raised);border:3px solid var(--neu-surface)}
.skeuo .dk-fold-number{text-shadow:3px 4px 7px #bec6d470}.skeuo .dk-part-arrow{text-shadow:3px 4px 7px #bec6d4}
.skeuo .dk-wave-badge{background:var(--neu-surface);color:var(--accent);border:0;box-shadow:5px 5px 10px #b9c4d3,-5px -5px 10px white}
.skeuo .dk-wave-depth{filter:blur(4px);opacity:.35;stroke-width:12}.skeuo .dk-wave-light{stroke:#ffffff55;stroke-width:2}.skeuo .dk-wave-ridge{stroke-width:9}
.skin-soft.skeuo .dk-cycle{background:none;border:0;box-shadow:none}.skeuo .dk-cycle-loop{filter:drop-shadow(4px 5px 5px #b1bdd0)}.skeuo .dk-loop-shadow{stroke:#acbad0;stroke-width:12;opacity:.45}.skeuo .dk-loop-body{stroke:#7794bb;stroke-width:10}.skeuo .dk-loop-shine{stroke:#d9e4f3;stroke-width:2;opacity:.65}
.skeuo .dk-cycle section+section:before{background:linear-gradient(120deg,#9bb3d3,#6488b8);filter:drop-shadow(3px 4px 4px #b0bdd0)}.skeuo .dk-loop-head{background:linear-gradient(135deg,#a8bedb,#6488b8)}
.reference-diagram{border:0;border-radius:20px;box-shadow:7px 7px 16px #c4cad6,-7px -7px 16px #fff;background:#e9ebf1}.reference-diagram svg{background:#e9ebf1!important}.reference-diagram svg>circle,.reference-diagram svg>g>rect{filter:drop-shadow(3px 4px 4px #bcc5d580)}
@container(max-width:420px){.skeuo .dk-cycle .dk-number{width:28px;height:38px;font-size:23px}.skeuo .dk-vertical .dk-number{width:32px;font-size:25px}.skeuo .dk-qa{padding:16px;gap:14px}.skeuo .dk-distance,.skeuo .dk-range,.skeuo .dk-timing{padding:14px}.skeuo .dk-paired .dk-pair-row{padding:14px}}
/* F05: alignment already maps each numbered wave point to its explanation.
   Remove disconnected stems, which imply a connection they do not draw. */
.dk-wave section:before{display:none}
/* F07: deliberate, equally sized treads with a clearly visible horizontal rise. */
.dk-stairs{--step-shift:min(64px,calc(32% / max(1,var(--step-count) - 1)));display:flex;flex-direction:column;gap:18px;padding:6px 0 12px}
.dk-stairs section{width:calc(100% - (var(--step-count) - 1)*var(--step-shift));margin-left:calc(var(--i)*var(--step-shift));padding:0 0 9px;border-bottom:5px solid var(--accent);border-radius:0 0 6px 6px}
.dk-stairs .dk-node{padding:20px;grid-template-columns:44px minmax(0,1fr);gap:8px 16px}
@container(max-width:420px){.dk-stairs{--step-shift:min(34px,calc(25% / max(1,var(--step-count) - 1)));gap:20px}.dk-stairs .dk-node{padding:16px 12px;grid-template-columns:34px minmax(0,1fr);gap:6px 10px}.skeuo .dk-stairs .dk-node>.dk-number{width:32px;height:40px;font-size:25px}}
/* C01: each comparison is one centered visual group. */
.dk-rings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;max-width:620px;margin-inline:auto;padding:4px 8px 12px;text-align:center}
.dk-rings section{display:flex;flex-direction:column;align-items:center;min-width:0;gap:0;padding:0 8px}
.dk-rings section .dk-ring{flex:none;width:104px;height:104px;margin:0 0 20px}
.dk-rings section>strong{width:100%;text-align:center;margin:0}
.diagram-kit .dk-rings section>p{width:100%;max-width:18em;text-align:center;margin:8px 0 0;line-height:1.65;text-wrap:balance}
@container(max-width:420px){.dk-rings{gap:24px;padding-inline:0}.dk-rings section{display:flex;padding:0}.dk-rings section .dk-ring{width:84px;height:84px;margin:0 0 18px}.dk-rings section>strong{font-size:21px}.diagram-kit .dk-rings section>p{font-size:17px}}
/* C05: numeric value, unit and description have distinct typographic roles. */
.dk-equation{display:grid;grid-template-columns:minmax(0,1fr) 22px minmax(0,1fr) 22px minmax(0,1fr);gap:12px;align-items:stretch;padding:6px 0 10px}
.skeuo .dk-equation>div{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;min-width:0;padding:20px 10px;border-radius:18px}
.diagram-kit .dk-equation .dk-quantity{display:flex;flex-direction:column;align-items:center;gap:8px;margin:0;line-height:1.2;color:var(--accent)}
.dk-equation .dk-value{font-family:Arial,'Yu Gothic',sans-serif;font-size:42px;line-height:1;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.dk-equation .dk-unit{font-family:'Yu Gothic',Meiryo,sans-serif;font-size:16px;line-height:1.4;font-weight:500;color:#293e4d;word-break:keep-all;overflow-wrap:normal;white-space:nowrap}
.diagram-kit .dk-equation>div>p{font-size:16px;line-height:1.5;font-weight:500;text-align:center;margin:12px 0 0;text-wrap:balance}
.dk-equation .dk-operator{align-self:center;font:500 24px/1 Arial,sans-serif;color:#425775;text-align:center}
@container(max-width:420px){.dk-equation{grid-template-columns:1fr;gap:12px;max-width:260px;margin-inline:auto}.skeuo .dk-equation>div{padding:18px}.dk-equation .dk-value{font-size:40px}.dk-equation .dk-operator{font-size:22px}}
/* C06: keep the palette, unify the light direction and seat the label in the band. */
.diagram-kit.skeuo .dk-common-band{background:linear-gradient(180deg,#ffffff12,transparent 52%,#0000000b),var(--gradient);border:0;border-radius:14px;padding:16px 24px;min-height:60px;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;line-height:1.5;letter-spacing:.025em;text-align:center;color:#fff!important;text-shadow:0 1px 1px #24124b66;box-shadow:inset 0 2px 5px #ffffff14,inset 0 -2px 5px #0000000b,5px 6px 12px #c4cad6,-5px -5px 12px #fff;margin-top:0!important;margin-bottom:24px!important}
.diagram-kit.skeuo[data-palette="spectrum"] .dk-common-band,.diagram-kit.skeuo[data-palette="violet"] .dk-common-band{--gradient:linear-gradient(105deg,#5930b7 0%,#663abd 42%,#7545c7 72%,#8350d2 100%)}
/* C06: parallel conditions use a shared center axis and matching text rhythm. */
.dk-common>.dk-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:stretch}
.diagram-kit .dk-common>.dk-columns>.dk-node{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px 18px;text-align:center;min-height:124px}
.diagram-kit .dk-common>.dk-columns>.dk-node>strong{font-size:22px;line-height:1.4;font-weight:700;text-align:center;margin:0;width:100%}
.diagram-kit .dk-common>.dk-columns>.dk-node>p{font-size:18px;line-height:1.6;font-weight:500;text-align:center;margin:0;width:100%;text-wrap:balance}
@container(max-width:420px){.dk-common>.dk-columns{grid-template-columns:1fr;gap:20px}.diagram-kit .dk-common>.dk-columns>.dk-node{padding:22px 18px;min-height:112px}}
/* H01 — center-to-center continuous branching with a single soft material. */
.dk-tree{--branch-gap:20px;--branch-line:#95a3bf;padding:4px 0 8px}
.dk-tree .dk-trunk{height:28px;width:7px;margin:0 auto;background:var(--branch-line);border-radius:5px 5px 0 0;filter:none;box-shadow:3px 0 6px #b9c3d5,-3px 0 6px #fff}
.dk-tree .dk-branches{position:relative;display:grid;grid-template-columns:repeat(var(--branch-count),minmax(0,1fr));gap:var(--branch-gap);border:0;padding-top:30px;filter:none}
.dk-tree .dk-branches:before{content:'';position:absolute;top:0;height:7px;left:calc((100% - (var(--branch-count) - 1)*var(--branch-gap))/var(--branch-count)/2);right:calc((100% - (var(--branch-count) - 1)*var(--branch-gap))/var(--branch-count)/2);background:var(--branch-line);border-radius:5px;box-shadow:0 3px 6px #b9c3d5,0 -3px 6px #fff}
.dk-tree .dk-branches>.dk-node{position:relative;text-align:center;padding:20px 14px}
.dk-tree .dk-branches>.dk-node:before{content:'';position:absolute;top:-27px;left:calc(50% - 3.5px);width:7px;height:27px;background:var(--branch-line);border-radius:0;box-shadow:3px 0 6px #b9c3d555}
.diagram-kit .dk-tree .dk-branches>.dk-node>p{text-align:center;margin-top:10px}
@container(max-width:420px){.dk-tree{padding-left:22px}.dk-tree .dk-trunk{display:none}.dk-tree .dk-branches{grid-template-columns:1fr;padding-top:0;gap:22px}.dk-tree .dk-branches:before{top:0;bottom:0;left:-20px;right:auto;width:7px;height:auto}.dk-tree .dk-branches>.dk-node:before{left:-17px;top:calc(50% - 3.5px);width:17px;height:7px;box-shadow:0 3px 5px #b9c3d555}.dk-tree .dk-branches>.dk-node{text-align:left;padding:18px}.diagram-kit .dk-tree .dk-branches>.dk-node>p{text-align:left}}
/* H03 — a pronounced tapered pyramid, with readable text on each tier. */
.dk-pyramid{display:flex;flex-direction:column;align-items:center;gap:16px;padding:8px 0 18px}
.diagram-kit.skeuo .dk-pyramid section{position:relative;isolation:isolate;width:calc(48% + 52% * var(--i) / max(1,var(--n) - 1));max-width:100%;margin:0;padding:24px 14%;border:0;border-radius:0;background:none;box-shadow:none;text-align:center;filter:drop-shadow(5px 7px 6px #bdc6d5)}
.dk-pyramid section:before{content:'';position:absolute;inset:0;z-index:-1;clip-path:polygon(14% 0,86% 0,100% 100%,0 100%);background:linear-gradient(135deg,#f7f8fc 0%,#e9ebf1 35%,#e3e7ef 100%)}
.diagram-kit .dk-pyramid section>strong{font-size:22px;line-height:1.4;text-align:center;margin:0}
.diagram-kit .dk-pyramid section>p{font-size:18px;line-height:1.6;text-align:center;margin:8px 0 0}
@container(max-width:420px){.diagram-kit.skeuo .dk-pyramid section{width:calc(62% + 38% * var(--i) / max(1,var(--n) - 1));padding:20px 10%}.diagram-kit .dk-pyramid section>strong{font-size:21px}.diagram-kit .dk-pyramid section>p{font-size:17px}}
.diagram-kit.skeuo .dk-pyramid section{padding-inline:22px}
@container(max-width:420px){.diagram-kit.skeuo .dk-pyramid section{padding-inline:18px}}
/* F06: a stable center rail, large numbered milestones, balanced alternating cards. */
.dk-alternating{display:grid;gap:26px;padding:8px 0!important}
.dk-alternating:before{left:calc(50% - 3px);top:34px;bottom:34px;width:6px;border-radius:6px;background:#a1abc0;box-shadow:3px 3px 6px #c2cad8,-3px -3px 6px #fff}
.dk-alternating li,.dk-alternating li:nth-child(even),.dk-alternating li:nth-child(odd){display:grid;grid-template-columns:minmax(0,1fr) 62px minmax(0,1fr);gap:16px;width:100%;margin:0;padding:0;align-items:center;position:relative}
.dk-alternating li>.dk-number{grid-column:2;grid-row:1;display:grid;place-items:center;width:62px;height:62px;font-size:40px;background:var(--neu-surface,#e9ebf1);color:var(--accent);border-radius:50%;box-shadow:5px 5px 11px #c1c9d7,-5px -5px 11px white;z-index:1;margin:0}
.dk-alternating li>div{grid-column:1;grid-row:1;min-width:0}.dk-alternating li:nth-child(even)>div{grid-column:3}.dk-alternating .dk-node{padding:20px 16px}
/* Clear > shaped vectors, formed by a rounded raised stroke rather than a text glyph. */
.dk-beforeafter{gap:56px;align-items:stretch}.dk-beforeafter section{display:flex;flex-direction:column}.dk-beforeafter section .dk-node{flex:1}
.dk-beforeafter section+section:before,.dk-mapping dd:before{content:'';display:block;position:absolute;width:18px;height:18px;border:0;border-top:7px solid #91a6c6;border-right:7px solid #91a6c6;border-radius:4px;transform:rotate(45deg);box-shadow:3px -3px 5px #fff9,inset -2px 2px 3px #c0cadd;filter:drop-shadow(3px 4px 3px #b5c1d5)}
.dk-beforeafter section+section:before{left:-41px;top:calc(50% + 6px)}
.dk-mapping>div{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:54px;margin:0 0 24px;align-items:stretch}
.dk-mapping dt{display:flex;align-items:center;padding:20px 18px;border:0;border-radius:18px;line-height:1.5;background:linear-gradient(140deg,color-mix(in srgb,var(--accent) 80%,white),var(--accent));color:white;box-shadow:6px 7px 13px #c0c8d7,-6px -6px 13px #fff,inset 2px 2px 8px #ffffff25,inset -2px -3px 8px #00000012;text-shadow:none;font-size:20px;font-weight:700}
.dk-mapping dd{display:flex;align-items:center;position:relative;margin:0;padding:20px 18px;font-size:18px;line-height:1.6}
.dk-mapping dd:before{left:-39px;top:calc(50% - 12px)}
@container(max-width:480px){.dk-beforeafter{grid-template-columns:1fr;gap:46px}.dk-beforeafter section+section:before{left:calc(50% - 12px);right:auto;top:-36px;transform:rotate(135deg)}.dk-mapping>div{grid-template-columns:1fr;gap:40px;margin-bottom:30px}.dk-mapping dd:before{display:block;left:calc(50% - 12px);top:-33px;transform:rotate(135deg)}.dk-alternating li,.dk-alternating li:nth-child(even),.dk-alternating li:nth-child(odd){grid-template-columns:56px minmax(0,1fr);gap:18px}.dk-alternating li>.dk-number{grid-column:1;width:56px;height:56px;font-size:36px}.dk-alternating li>div,.dk-alternating li:nth-child(even)>div{grid-column:2}.dk-alternating:before{left:25px;top:30px;bottom:30px}}
.dk-mapping dt{text-wrap:balance}.dk-mapping dd{text-wrap:pretty}
/* R05: separate the overlap graphic from its explanatory boxes. */
.dk-overlap{--orb-size:180px;--orb-intersect:62px;position:relative;padding-top:0;display:grid;grid-template-columns:1fr;gap:30px}
.dk-overlap-shapes{position:relative;top:auto;left:auto;width:auto;height:var(--orb-size);margin:6px auto 0;display:flex;justify-content:center;isolation:isolate}
.skeuo .dk-overlap-shapes span{position:relative;display:grid;place-items:center;flex:none;width:var(--orb-size);height:var(--orb-size);border-radius:50%;border:0;background:linear-gradient(135deg,#eeebfa99,#d5ccf080);box-shadow:7px 7px 15px #c1c9d680,-7px -7px 15px #ffffffc0,inset 3px 3px 7px #ffffff8c,inset -3px -3px 7px #b8aad355}
.skeuo .dk-overlap-shapes span+span{margin-left:calc(-1 * var(--orb-intersect));background:linear-gradient(135deg,#faedf599,#edcde080);box-shadow:7px 7px 15px #c1c9d680,-7px -7px 15px #ffffff65,inset 3px 3px 7px #ffffff8c,inset -3px -3px 7px #ccacc555}
.dk-overlap-shapes span i{position:relative;left:-18px;color:#6238c4;font:700 28px/1 Arial,sans-serif;font-style:normal}.dk-overlap-shapes span+span i{left:18px;color:#ad2876}
.dk-overlap-common{position:absolute;top:calc(var(--orb-size)/2 - 14px + 6px);left:50%;right:auto;transform:translateX(-50%);font-size:17px;line-height:28px;color:#253b50;white-space:nowrap;z-index:2}
.dk-overlap-labels{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
.dk-overlap-labels .dk-node{text-align:center;padding:22px 16px}.diagram-kit .dk-overlap-labels .dk-node p{text-align:center;margin-top:10px}
@container(max-width:420px){.dk-overlap{--orb-size:140px;--orb-intersect:54px;gap:26px}.dk-overlap-labels{grid-template-columns:1fr 1fr;gap:16px}.dk-overlap-labels .dk-node{padding:18px 10px}.diagram-kit .dk-overlap-labels .dk-node strong{font-size:20px}.diagram-kit .dk-overlap-labels .dk-node p{font-size:17px}.dk-overlap-common{font-size:16px}.dk-overlap-shapes span i{font-size:25px;left:-16px}.dk-overlap-shapes span+span i{left:16px}}
/* R02/R03: reserve a real connector lane between the cards. */
.dk-causal,.dk-chain{display:flex;flex-direction:row;gap:48px;align-items:stretch}
.dk-causal>.dk-node,.dk-chain>.dk-node{position:relative;flex:1;padding:22px 16px}
.dk-causal .dk-node+.dk-node:before{content:'';position:absolute;left:-33px;right:auto;top:50%;width:17px;height:17px;border:0;border-top:6px solid #8f9fb9;border-right:6px solid #8f9fb9;border-radius:3px;transform:translateY(-50%) rotate(45deg);background:transparent;box-shadow:3px -3px 5px #ffffffb3,inset -2px 2px 3px #ffffffa6;filter:drop-shadow(3px 4px 3px #aab5c5)}
.dk-chain .dk-node+.dk-node:before{content:'';position:absolute;left:-37px;right:auto;top:50%;width:26px;height:16px;border:5px solid #8f9fb9;border-radius:12px;transform:translateY(-50%);background:var(--neu-surface);box-shadow:3px 4px 6px #b8c2d1,-3px -3px 6px #fff,inset 2px 2px 3px #b8c2d1,inset -2px -2px 3px #fff}
@container(max-width:580px){
 .dk-causal,.dk-chain{flex-direction:column;gap:44px}
 .dk-causal .dk-node+.dk-node:before{left:50%;right:auto;top:-24px;transform:translate(-50%,-50%) rotate(135deg)}
 .dk-chain .dk-node+.dk-node:before{left:50%;right:auto;top:-22px;width:16px;height:26px;transform:translate(-50%,-50%)}
}
/* M01: labels, dot centres and bracket ends share the same two axes. */
.dk-distance{--endpoint-half:32px;--point-size:26px}
.dk-distance>div:first-child>strong{width:calc(var(--endpoint-half)*2);text-align:center}
.dk-distance-points{margin:18px calc(var(--endpoint-half) - var(--point-size)/2) 22px}
.skeuo .dk-distance-points i{width:var(--point-size);height:var(--point-size);flex:none}
.dk-distance .dk-bracket{margin:14px calc(var(--endpoint-half) - 2.5px) 12px;border-radius:0 0 4px 4px}
/* M04: a highlighted measurement interval on a full route, not a container. */
.dk-range-measure{padding:4px 12px 10px}
.dk-measure-direction{text-align:center;color:var(--muted);font-size:16px;font-weight:600;margin-bottom:20px}
.dk-measure-direction span{font-size:24px;margin-left:8px}
.dk-measure-labels{display:flex;justify-content:space-between;margin-bottom:20px}
.dk-measure-labels>div:last-child{text-align:right}
.diagram-kit .dk-measure-labels strong{font-size:24px}
.diagram-kit .dk-measure-labels p{font-size:16px;margin-top:4px}
.dk-measure-track{position:relative;height:18px;border-radius:12px;background:var(--neu-surface);box-shadow:inset 3px 3px 6px #bcc5d3,inset -3px -3px 6px #fff}
.dk-measure-track>span{position:absolute;left:20%;width:60%;height:100%;border-radius:12px;background:linear-gradient(160deg,#8f6bdf,#6238c4);box-shadow:2px 4px 6px #b9b2cf,inset 0 2px 3px #ffffff65}
.dk-measure-track>i{position:absolute;left:20%;top:-5px;transform:translateX(-50%);height:28px;width:9px;border-radius:5px;background:linear-gradient(90deg,#fff,#dadfea);box-shadow:2px 3px 5px #98a3b7}
.dk-measure-track>i:last-child{left:80%}
.dk-measure-window{width:60%;margin:auto}
.dk-measure-boundaries{display:flex;justify-content:space-between;margin:17px -32px 0;gap:12px;color:#503090;font-size:16px;font-weight:700}
.dk-measure-caption{text-align:center;margin:22px -50px 0;padding:18px 10px 0}
.diagram-kit .dk-measure-caption strong{font-size:23px;color:#6238c4}
.diagram-kit .dk-measure-caption p{font-size:18px;text-align:center;margin-top:8px}
@container(max-width:420px){.dk-range-measure{padding-inline:4px}.dk-measure-caption{margin-inline:-38px}.diagram-kit .dk-measure-caption strong{font-size:21px}.diagram-kit .dk-measure-caption p{font-size:17px}}
/* F11: one step number per card; remove remnants of the outline-circle motif. */
.dk-outline-steps{gap:28px}
.dk-outline-steps li{padding-left:0;align-items:stretch}
.dk-outline-steps .dk-round-copy:before{content:none;display:none}
.skeuo .dk-content .dk-outline-steps .dk-round-copy{border-radius:20px;min-height:0;padding:28px 20px;justify-content:flex-start}
.dk-outline-steps .dk-step-pill{margin:0 0 14px;padding:7px 20px}
.dk-outline-steps .dk-round-copy strong{line-height:1.5}
.diagram-kit .dk-outline-steps .dk-round-copy p{text-align:center;margin-top:10px;line-height:1.7}
@container(max-width:480px){.dk-outline-steps li{max-width:none}.skeuo .dk-content .dk-outline-steps .dk-round-copy{padding:24px 20px}}
/* H01: one shadow for the complete junction, with shared centre axes. */
.dk-tree-rail{position:relative;height:58px;filter:drop-shadow(2px 3px 3px #b5bfd0) drop-shadow(-2px -2px 3px #fff)}
.dk-tree-stem{position:absolute;left:calc(50% - 3.5px);top:0;width:7px;height:31px;background:var(--branch-line);border-radius:4px}
.dk-tree-crossbar{position:absolute;top:24px;height:7px;left:calc((100% - (var(--branch-count) - 1)*var(--branch-gap))/var(--branch-count)/2 - 3.5px);right:calc((100% - (var(--branch-count) - 1)*var(--branch-gap))/var(--branch-count)/2 - 3.5px);background:var(--branch-line);border-radius:4px}
.dk-tree-legs{position:absolute;inset:24px 0 0;display:grid;grid-template-columns:repeat(var(--branch-count),minmax(0,1fr));gap:var(--branch-gap)}
.dk-tree-legs i{width:7px;height:100%;justify-self:center;background:var(--branch-line);border-radius:4px 4px 0 0}
@container(min-width:421px){.dk-tree .dk-branches{padding-top:0}.dk-tree .dk-branches:before,.dk-tree .dk-branches>.dk-node:before{display:none}}
@container(max-width:420px){.dk-tree-rail{display:none}}
/* H03: each lower tier starts at the width where the preceding tier ends. */
.dk-pyramid{gap:10px;padding:8px 0 18px}
.diagram-kit.skeuo .dk-pyramid section{--inset-top:calc(32% * (1 - var(--i) / var(--n)));--inset-bottom:calc(32% * (1 - (var(--i) + 1) / var(--n)));width:100%;padding:24px calc(var(--inset-top) + 8px);min-height:112px;display:flex;flex-direction:column;justify-content:center;filter:drop-shadow(3px 5px 5px #bdc6d5)}
.dk-pyramid section:before{clip-path:polygon(var(--inset-top) 0,calc(100% - var(--inset-top)) 0,calc(100% - var(--inset-bottom)) 100%,var(--inset-bottom) 100%)}
@container(max-width:420px){.diagram-kit.skeuo .dk-pyramid section{--inset-top:calc(25% * (1 - var(--i) / var(--n)));--inset-bottom:calc(25% * (1 - (var(--i) + 1) / var(--n)));padding:20px calc(var(--inset-top) + 6px)}}
/* R01: short paired statements share centred alignment. */
.dk-mapping dt,.dk-mapping dd{justify-content:center;text-align:center;text-wrap:balance}
/* F08: size the cycle to its copy rather than stretching cards across the canvas. */
.dk-cycle,.skin-soft .dk-cycle{width:max-content;max-width:min(100%,520px);padding-right:68px;margin-inline:auto}
.dk-cycle section{grid-template-columns:38px minmax(0,1fr);column-gap:16px;padding:20px 24px}
.dk-cycle section>strong,.dk-cycle section>p{text-align:left}
.dk-cycle-loop{width:62px}
@container(max-width:420px){
 .dk-cycle,.skin-soft .dk-cycle{max-width:100%;padding-right:48px}
 .dk-cycle section{grid-template-columns:28px minmax(0,1fr);column-gap:12px;padding:18px 16px}
 .dk-cycle-loop{width:43px}
}
/* F07: compact equal-width cards, retaining deliberate staircase offsets. */
.dk-stairs{width:100%;max-width:calc(310px + (var(--step-count) - 1)*64px);margin-inline:auto}
.dk-stairs .dk-node{grid-template-columns:38px minmax(0,1fr);gap:8px 16px;padding:20px 24px;align-items:center}
.skeuo .dk-stairs .dk-node>.dk-number{width:38px;height:44px;font-size:27px}
@container(max-width:420px){.dk-stairs{max-width:calc(290px + (var(--step-count) - 1)*34px)}.dk-stairs .dk-node{grid-template-columns:32px minmax(0,1fr);gap:6px 12px;padding:18px 16px}.skeuo .dk-stairs .dk-node>.dk-number{width:32px;height:40px;font-size:25px}}
/* C03: centred condition names and descriptions, separated by a soft rule. */
.dk-beforeafter section>.dk-label{text-align:center;margin-bottom:14px}
.dk-beforeafter .dk-node{display:flex;flex-direction:column;justify-content:center;text-align:center;padding:22px 24px}
.diagram-kit .dk-beforeafter .dk-node>strong{text-align:center;color:var(--accent);font-size:22px;line-height:1.4;margin:0;padding-bottom:15px}
.diagram-kit .dk-beforeafter .dk-node>p{position:relative;text-align:center;margin:0;padding-top:17px;font-size:18px;line-height:1.6}
.dk-beforeafter .dk-node>p:before{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:3px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent) 32%,#c5ccd8) 18%,color-mix(in srgb,var(--accent) 32%,#c5ccd8) 82%,transparent);box-shadow:0 2px 2px #ffffffb3}
/* H02: compact centred comparison cards with a clear title/body hierarchy. */
.dk-hub{grid-template-columns:110px minmax(0,280px);gap:26px;max-width:416px;margin-inline:auto}
.dk-hub>div{gap:22px;padding-left:22px}
.dk-hub .dk-node{text-align:center;padding:22px 20px}
.diagram-kit .dk-hub .dk-node>strong{text-align:center;font-size:22px;font-weight:700;line-height:1.4;margin:0;padding-bottom:14px;color:var(--accent)}
.diagram-kit .dk-hub .dk-node>p{position:relative;text-align:center;font-size:18px;font-weight:400;line-height:1.65;margin:0;padding-top:16px}
.dk-hub .dk-node>p:before{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:3px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent) 28%,#c5ccd8) 18%,color-mix(in srgb,var(--accent) 28%,#c5ccd8) 82%,transparent);box-shadow:0 2px 2px #ffffffb3}
@container(max-width:420px){.dk-hub{grid-template-columns:1fr;gap:24px;max-width:300px}.dk-hub>div{padding-left:0;border-left:0}.dk-hub .dk-node{padding:20px}.dk-hub .dk-center{margin-inline:auto}}
/* R04: preserve the two-axis structure and centre each text group. */
.dk-matrix>div{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:12px}
.diagram-kit .dk-matrix .dk-node{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:22px 16px;min-height:116px}
.diagram-kit .dk-matrix .dk-node>strong{text-align:center;font-size:22px;font-weight:700;line-height:1.4;margin:0}
.diagram-kit .dk-matrix .dk-node>p{text-align:center;font-size:18px;font-weight:400;line-height:1.6;margin:10px 0 0}
@container(max-width:420px){.dk-matrix>div{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:10px}.diagram-kit .dk-matrix .dk-node{padding:20px 8px;min-height:110px}.diagram-kit .dk-matrix .dk-node>strong{font-size:20px}.diagram-kit .dk-matrix .dk-node>p{font-size:16px}}
/* F09: all explanatory copy shares left alignment, on both sides of the route. */
.diagram-kit .dk-connected-orbs .dk-orb-copy,.diagram-kit .dk-connected-orbs .dk-orb-copy strong,.diagram-kit .dk-connected-orbs .dk-orb-copy p{text-align:left;text-wrap:pretty}
/* Review batch: local alignment rules preserve each diagram's intended structure. */
.skin-soft .dk-vertical li>div{position:relative}
.skin-soft .dk-vertical li>div>.dk-disc{position:absolute;right:18px;top:50%;transform:translateY(-50%);margin:0;width:28px;height:28px}
.diagram-kit .dk-alternating .dk-node,.diagram-kit .dk-alternating .dk-node strong,.diagram-kit .dk-alternating .dk-node p{text-align:center}
.diagram-kit .dk-common>.dk-columns>.dk-node{gap:0}
.diagram-kit .dk-common>.dk-columns>.dk-node>strong{color:var(--accent);padding-bottom:14px}
.diagram-kit .dk-common>.dk-columns>.dk-node>p{position:relative;padding-top:16px;font-weight:400}
.dk-common>.dk-columns>.dk-node>p:before{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:3px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent) 28%,#c5ccd8) 18%,color-mix(in srgb,var(--accent) 28%,#c5ccd8) 82%,transparent);box-shadow:0 2px 2px #ffffffb3}
.diagram-kit .dk-nest>strong,.diagram-kit .dk-nest>p{text-align:center}
.dk-shelves{width:max-content;max-width:100%;margin-inline:auto}
.dk-shelves section{grid-template-columns:40px minmax(0,1fr);column-gap:18px}
.dk-shelves section>b{text-align:center;font-size:34px}
.dk-shelves .dk-node{padding:22px 24px}
.dk-checklist{width:max-content;max-width:100%;margin-inline:auto!important}
.skeuo .dk-checklist li{align-items:center;gap:24px;padding:22px 28px}
.skeuo .dk-checklist li>span{display:grid;place-items:center;flex:none;width:40px;height:40px;padding:0;line-height:1;font-size:26px}
.dk-checklist li>div{min-width:0}
.dk-connected-orbs:before{width:34px;left:calc(50% - 17px)}
@container(max-width:480px){
 .skin-soft .dk-vertical li>div>.dk-disc{right:12px;width:24px;height:24px}
 .dk-connected-orbs:before{width:12px;left:34px}
 .skeuo .dk-checklist li{gap:20px;padding:20px}
 .dk-shelves section{column-gap:14px;grid-template-columns:32px minmax(0,1fr)}
 .dk-shelves .dk-node{padding:20px 18px}
}
/* C04: compact side-by-side cards with vertically centred letter labels. */
.dk-paired{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;width:100%;max-width:580px;margin-inline:auto}
.skeuo .dk-paired .dk-pair-row{display:grid;grid-template-columns:36px minmax(0,1fr);grid-template-rows:auto auto;column-gap:18px;row-gap:10px;align-content:center;align-items:center;margin:0;padding:24px 20px}
.dk-paired .dk-pair-row>.dk-letter{grid-column:1;grid-row:1/3;align-self:stretch;display:flex;align-items:center;justify-content:flex-start;position:relative;font-size:34px;line-height:1;margin:0}
.dk-paired .dk-pair-row>.dk-letter:after{content:'';position:absolute;right:-8px;top:0;bottom:0;width:3px;border-radius:3px;background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--accent) 40%,#bdc7d7) 15%,color-mix(in srgb,var(--accent) 40%,#bdc7d7) 85%,transparent);box-shadow:2px 0 2px #ffffffb3}
.diagram-kit .dk-paired .dk-pair-row>strong{grid-column:2;grid-row:1;margin:0;font-size:22px;line-height:1.4;text-align:left}
.diagram-kit .dk-paired .dk-pair-row>p{grid-column:2;grid-row:2;margin:0;font-size:18px;line-height:1.6;text-align:left}
@container(max-width:420px){.dk-paired{gap:14px}.skeuo .dk-paired .dk-pair-row{grid-template-columns:24px minmax(0,1fr);column-gap:13px;padding:20px 12px}.dk-paired .dk-pair-row>.dk-letter{font-size:28px}.dk-paired .dk-pair-row>.dk-letter:after{right:-6px;width:2px}.diagram-kit .dk-paired .dk-pair-row>strong{font-size:19px}.diagram-kit .dk-paired .dk-pair-row>p{font-size:16px}}
.skeuo .dk-paired .dk-pair-row{grid-template-rows:auto 1fr;align-content:stretch}
.diagram-kit .dk-paired .dk-pair-row>strong,.diagram-kit .dk-paired .dk-pair-row>p{align-self:start}
/* C04: centre the title and description as one group, regardless of wrapping. */
.skeuo .dk-paired .dk-pair-row{grid-template-rows:auto;align-items:center;row-gap:0}
.dk-paired .dk-pair-row>.dk-letter{grid-row:1;align-self:stretch}
.dk-pair-copy{grid-column:2;grid-row:1;align-self:center;min-width:0}
.diagram-kit .dk-paired .dk-pair-copy>strong{margin:0;text-align:left;font-size:22px;font-weight:700;line-height:1.4}
.diagram-kit .dk-paired .dk-pair-copy>p{margin:10px 0 0;text-align:left;font-size:18px;line-height:1.6}
@container(max-width:420px){.diagram-kit .dk-paired .dk-pair-copy>strong{font-size:19px}.diagram-kit .dk-paired .dk-pair-copy>p{font-size:16px}}
/* C04: allocate width by copy length so the sample descriptions stay on one line. */
.dk-paired{grid-template-columns:minmax(0,1fr) minmax(0,1.23fr);gap:18px;max-width:620px}
.skeuo .dk-paired .dk-pair-row{grid-template-columns:28px minmax(0,1fr);column-gap:14px;padding:24px 16px}
.dk-paired .dk-pair-row>.dk-letter{font-size:30px}
.dk-paired .dk-pair-row>.dk-letter:after{right:-6px}
@container(max-width:420px){
 .dk-paired{gap:12px;grid-template-columns:minmax(0,1fr) minmax(0,1.23fr)}
 .skeuo .dk-paired .dk-pair-row{grid-template-columns:20px minmax(0,1fr);column-gap:10px;padding:22px 10px}
 .dk-paired .dk-pair-row>.dk-letter{font-size:26px}
 .dk-paired .dk-pair-row>.dk-letter:after{right:-4px}
}
/* Review completion: align related text, preserve phrases and keep connectors explicit. */
.diagram-kit :is(strong,p){word-break:auto-phrase;overflow-wrap:break-word}
.diagram-kit :is(.dk-columns,.dk-causal,.dk-chain)>.dk-node{text-align:center;justify-content:center}
.diagram-kit :is(.dk-columns,.dk-causal,.dk-chain)>.dk-node>p{text-align:center}
@container(max-width:600px){
 .dk-horizontal,.dk-columns,.dk-causal,.dk-chain,.dk-evidence{width:100%;max-width:350px;margin-inline:auto}
 .skin-soft .dk-chevron{width:100%;max-width:370px;margin-inline:auto;gap:44px}
 .dk-ribbon{width:100%;max-width:370px;margin-inline:auto}
}
.skin-soft .dk-chevron .dk-node+.dk-node:before{content:'';width:18px;height:18px;left:-33px;top:calc(50% - 9px);border:0;border-top:6px solid #91a6c6;border-right:6px solid #91a6c6;border-radius:3px;transform:rotate(45deg);box-shadow:3px -3px 5px #ffffffa0,inset -2px 2px 3px #ffffff80;filter:drop-shadow(3px 4px 3px #b5c1d5)}
.skin-soft .dk-chevron{gap:44px}
@container(max-width:600px){.skin-soft .dk-chevron .dk-node+.dk-node:before{left:calc(50% - 9px);top:-34px;transform:rotate(135deg)}}
/* At the narrowest widths, keep two comparison cards while giving text the full card width. */
@container(max-width:360px){
 .dk-paired{grid-template-columns:1fr 1fr}
 .skeuo .dk-paired .dk-pair-row{grid-template-columns:1fr;grid-template-rows:auto 1fr;gap:14px;padding:20px 12px}
 .dk-paired .dk-pair-row>.dk-letter{grid-column:1;grid-row:1;justify-content:center;padding-bottom:14px}
 .dk-paired .dk-pair-row>.dk-letter:after{right:0;left:0;top:auto;bottom:0;width:auto;height:2px}
 .dk-paired .dk-pair-copy{grid-column:1;grid-row:2;text-align:center}
 .diagram-kit .dk-paired .dk-pair-copy>strong,.diagram-kit .dk-paired .dk-pair-copy>p{text-align:center}
}
/* A soft raised coloured ribbon rather than a flat header strip. */
.skeuo .dk-ribbon header{background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 65%,white),var(--accent));box-shadow:0 5px 9px #bcc4d4,inset 0 3px 7px #ffffff35,inset 0 -3px 7px #30284d18}
/* Preserve the folded silhouette without clipping the surface's shadow. */
.dk-folded-numbers li{overflow:visible}
.skeuo .dk-content .dk-fold-copy{isolation:isolate;clip-path:none;background:none;box-shadow:none;border-radius:0;filter:drop-shadow(5px 6px 7px #c4cad6) drop-shadow(-4px -4px 7px #ffffff90)}
.dk-fold-copy:before{content:'';position:absolute;inset:0;z-index:-1;clip-path:polygon(32px 0,100% 0,100% 100%,0 100%,0 32px);background:linear-gradient(145deg,#f2f4f8,#e9ebf1 45%,#e1e5ed);border-radius:16px}
/* The category is written once, on its own card. */
.dk-evidence .dk-node{height:100%;display:flex;flex-direction:column;justify-content:center;text-align:center;padding:22px 24px}
.diagram-kit .dk-evidence .dk-node p{text-align:center}
@container(max-width:600px){.dk-evidence{width:100%;max-width:280px;margin-inline:auto}}
.dk-evidence .dk-node strong{color:var(--accent)}
/* Make the selected part identify itself, regardless of row/column layout. */
.dk-whole-parts{gap:18px}
.dk-whole-parts section,.dk-whole-parts .dk-selected{border:0}
.dk-whole-parts .dk-node{height:100%;text-align:center;padding:22px 18px}
.dk-whole-parts .dk-selected .dk-node{background:linear-gradient(140deg,#ede7f8,#e3dbee);box-shadow:var(--neu-raised)}
.dk-selection-label{display:block;width:fit-content;margin:0 auto 12px;padding:5px 12px;border-radius:12px;background:var(--gradient);color:white;font-size:16px;font-weight:700}
.diagram-kit .dk-whole-parts .dk-node p{text-align:center}
.dk-time-scale{display:flex;justify-content:space-between;margin:20px 0 0;font-size:16px;color:var(--muted)}
.dk-time-row-title{display:flex;align-items:center;justify-content:space-between;gap:14px}
.dk-time-row-title>span{white-space:nowrap;font-size:17px;font-weight:700;color:var(--accent)}
.dk-time-track{box-shadow:var(--neu-inset)}
.dk-timing .dk-time-axis{border-bottom:0;padding:0}
.diagram-kit .dk-word{display:inline-block;max-width:100%;vertical-align:baseline;overflow-wrap:anywhere;word-break:normal}