.sto-tool{--sto-navy:#0b2d64;--sto-blue:#1688f2;--sto-blue-dark:#0f6ed9;--sto-ink:#17345f;--sto-muted:#607493;--sto-border:#d8e4f2;--sto-soft:#f4f9fe;--sto-card-shadow:0 8px 30px rgba(13,45,100,.06);max-width:1480px;margin:0 auto;color:var(--sto-ink);font-family:inherit;line-height:1.5}
.sto-tool,.sto-tool *{box-sizing:border-box}
.sto-tool img{max-width:100%;height:auto;display:block}
.sto-tool button,.sto-tool select,.sto-tool input,.sto-tool output{font:inherit}
.sto-tool button{appearance:none;border:0}
.sto-tool .sto-card{background:#fff;border:1px solid var(--sto-border);border-radius:18px;box-shadow:var(--sto-card-shadow)}
.sto-tool .sto-hero{display:grid;grid-template-columns:minmax(0,1.16fr) minmax(360px,.84fr);gap:28px;align-items:start;margin-bottom:22px}
.sto-tool .sto-hero-copy{display:grid;grid-template-columns:74px minmax(0,1fr);gap:16px;align-content:start}
.sto-tool .sto-brand-mark{width:70px;height:70px;object-fit:contain;margin-top:4px}
.sto-tool .sto-title{margin:0;color:#092457;font-size:clamp(34px,4vw,61px);font-weight:600;line-height:1.02;letter-spacing:-.02em}
.sto-tool .sto-subtitle{margin:8px 0 0;color:#4f6b91;font-size:clamp(20px,2vw,30px);line-height:1.2}
.sto-tool .sto-byline{margin:10px 0 0;color:var(--sto-muted);font-size:14px}
.sto-tool .sto-intro{grid-column:1/-1;color:#38577f;font-size:17px}
.sto-tool .sto-intro p{margin:0 0 12px}
.sto-tool .sto-helps-title{color:var(--sto-navy);font-weight:700;margin:10px 0 8px}
.sto-tool .sto-helps{margin:0;padding:0;list-style:none;display:grid;gap:7px;color:#4d6382;font-size:14px}
.sto-tool .sto-helps li{display:flex;gap:8px;align-items:flex-start}
.sto-tool .sto-check{width:18px;height:18px;border-radius:50%;display:inline-grid;place-items:center;flex:0 0 18px;margin-top:2px;color:#fff;background:var(--sto-blue);font-size:11px;font-weight:700}
.sto-tool .sto-hero-media{min-width:0;display:grid;gap:14px;align-content:start}
.sto-tool .sto-video-frame{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:18px;background:#061a3a;border:1px solid #c9d8e7;box-shadow:var(--sto-card-shadow)}
.sto-tool .sto-video-frame iframe{position:absolute;inset:0;width:100%!important;height:100%!important;border:0!important;display:block}
.sto-tool .sto-paper-link{display:flex;align-items:center;gap:12px;min-height:74px;padding:14px 16px;border:1px solid #cfddec;border-radius:16px;background:#fff;text-decoration:none;box-shadow:var(--sto-card-shadow)}
.sto-tool .sto-paper-link:hover{border-color:#8dbbe9}
.sto-tool .sto-paper-icon{width:42px;height:42px;border:2px solid var(--sto-navy);border-radius:8px;display:grid;place-items:center;color:var(--sto-navy);font-size:22px;flex:0 0 42px}
.sto-tool .sto-paper-link strong{display:block;color:#0a4b9d;font-size:16px}
.sto-tool .sto-paper-link small{display:block;margin-top:2px;color:var(--sto-muted)}
.sto-tool .sto-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:0 0 16px}
.sto-tool .sto-tab{display:flex;align-items:center;gap:10px;min-height:68px;padding:12px 18px;border:1px solid #cbdbea;border-radius:16px;background:linear-gradient(180deg,#fbfdff,#f2f7fc);color:var(--sto-navy);cursor:pointer;text-align:left;box-shadow:var(--sto-card-shadow)}
.sto-tool .sto-tab strong{display:block;font-size:18px;line-height:1.15}
.sto-tool .sto-tab small{display:block;margin-top:2px;font-size:14px;font-weight:400;opacity:.92}
.sto-tool .sto-tab-number{font-weight:700;font-size:18px}
.sto-tool .sto-tab.is-active{background:linear-gradient(135deg,#1188f3,#2c76d8);color:#fff;border-color:#147bdc}
.sto-tool .sto-tab:focus-visible,.sto-tool select:focus-visible,.sto-tool input:focus-visible,.sto-tool .sto-structure-button:focus-visible{outline:3px solid rgba(22,136,242,.28);outline-offset:2px}
.sto-tool .sto-panel{display:none}
.sto-tool .sto-panel.is-active{display:block}

.sto-tool .sto-arch-toolbar{display:grid;grid-template-columns:minmax(250px,.32fr) minmax(0,.68fr);gap:18px;padding:18px 20px;margin-bottom:12px;align-items:stretch}
.sto-tool .sto-theme-picker{display:flex;flex-direction:column;justify-content:center}
.sto-tool .sto-toolbar-copy{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;align-items:stretch}
.sto-tool .sto-arch-main{overflow:hidden}
.sto-tool .sto-label{display:block;color:var(--sto-navy);font-weight:700;margin-bottom:8px}
.sto-tool .sto-select{width:100%;min-height:48px;padding:8px 12px;border:1px solid #c8d9ea;border-radius:12px;background:#fff;color:#0a4b9d;font-weight:700;font-size:17px}
.sto-tool .sto-control-copy{margin-top:0;color:#415d80;padding:14px;border-radius:14px;background:#f8fbff;border:1px solid #e0eaf5}
.sto-tool .sto-control-copy h3{margin:0 0 5px;color:var(--sto-navy);font-size:15px}
.sto-tool .sto-control-copy p{margin:0;font-size:15px}
.sto-tool .sto-understanding{margin-top:0;padding:14px;border-radius:14px;background:linear-gradient(135deg,#eff8ff,#e8f3fc)}
.sto-tool .sto-understanding strong{display:block;margin-bottom:6px;color:#1071c6}
.sto-tool .sto-understanding p{margin:0;color:#426180}
.sto-tool .sto-visual-area{min-width:0;padding:18px 18px 10px;background:radial-gradient(circle at 50% 10%,rgba(76,173,255,.10),transparent 29%)}
.sto-tool .sto-visual-head{display:flex;justify-content:space-between;gap:16px;padding:0 6px 12px}
.sto-tool .sto-visual-head h3{margin:0;color:var(--sto-navy);font-size:20px}
.sto-tool .sto-visual-head p{margin:4px 0 0;color:#547095}
.sto-tool .sto-visual-hint{align-self:center;max-width:310px;padding:9px 12px;border-radius:999px;background:#eaf6ff;color:#0b66b7;font-weight:700;font-size:13px;text-align:center;white-space:normal}
.sto-tool .sto-click-note{display:flex;gap:7px;align-items:flex-start;margin:0 0 14px;padding:10px 12px;border-radius:12px;background:#eef7ff;border:1px solid #d7e8f7;color:#0f5fae;font-size:13px}
.sto-tool .sto-click-note span{font-size:18px;line-height:1}.sto-tool .sto-click-note strong{white-space:nowrap}
.sto-tool .sto-visual-scroll{overflow:auto;padding:0 0 8px}
.sto-tool .sto-arch-svg{display:block;min-width:980px;width:100%;height:auto}
.sto-tool .sto-svg-source-label,.sto-tool .sto-svg-oversoul-label{font-weight:800;fill:var(--sto-navy)}
.sto-tool .sto-svg-theme{fill:#1688f2;font-weight:700}
.sto-tool .sto-svg-soul-label{font-weight:700;fill:#102d61}
.sto-tool .sto-soul-node{cursor:pointer}
.sto-tool .sto-soul-node:focus{outline:none}
.sto-tool .sto-soul-node:focus .sto-soul-circle{stroke:#0a4b9d;stroke-width:4}
.sto-tool .sto-flow-band{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0 0}
.sto-tool .sto-flow-card{display:flex;flex-direction:row-reverse;justify-content:space-between;align-items:flex-start;gap:18px;padding:18px;text-align:left}
.sto-tool .sto-flow-card strong{display:block;color:var(--sto-navy);font-size:18px;margin-bottom:4px}
.sto-tool .sto-flow-card p{margin:0;color:#4d6382}
.sto-tool .sto-flow-icon{width:44px;height:96px;position:relative;flex:0 0 44px}
.sto-tool .sto-flow-icon:before{content:"";position:absolute;left:50%;transform:translateX(-50%);width:12px;height:78px;border-radius:12px;background:linear-gradient(180deg,#dcecf9,#2a5f9f)}
.sto-tool .sto-flow-icon-down:after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);border-left:14px solid transparent;border-right:14px solid transparent;border-top:20px solid #2a5f9f}
.sto-tool .sto-flow-icon-up:before{background:linear-gradient(180deg,#2a5f9f,#dcecf9)}
.sto-tool .sto-flow-icon-up:after{content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);border-left:14px solid transparent;border-right:14px solid transparent;border-bottom:20px solid #2a5f9f}

.sto-tool .sto-arch-bottom{display:grid;grid-template-columns:.92fr 1.15fr 1fr;gap:12px;margin-top:12px}
.sto-tool .sto-arch-bottom>.sto-card{padding:18px}
.sto-tool .sto-arch-bottom h3,.sto-tool .sto-why-grid h3,.sto-tool .sto-compare-main h3,.sto-tool .sto-scaling h3{margin:0 0 10px;color:var(--sto-navy);font-size:20px}
.sto-tool .sto-detail-head{display:flex;align-items:center;gap:12px;margin-bottom:9px}
.sto-tool .sto-detail-head strong{display:block;color:#102d61;font-size:20px}
.sto-tool .sto-detail-head span:not(.sto-detail-orb){display:block;color:#1688f2}
.sto-tool .sto-detail-orb{width:58px;height:58px;border-radius:50%;flex:0 0 58px;background:radial-gradient(circle at 35% 28%,#fff 0%,#8c64e8 40%,#245b94 100%);box-shadow:0 0 16px rgba(40,129,220,.18)}
.sto-tool .sto-detail p{margin:0 0 12px}
.sto-tool .sto-example-box{padding:11px 12px;border-radius:12px;background:#eef7fe}
.sto-tool .sto-example-box strong{color:#0a4b9d}
.sto-tool .sto-example-box ul{margin:7px 0 0 18px;padding:0}
.sto-tool .sto-coverage-note{margin:-5px 0 3px;color:#8392a6;font-size:11px}
.sto-tool .sto-coverage-wrap{display:grid;grid-template-columns:minmax(230px,.9fr) minmax(230px,1.1fr);gap:14px;align-items:center}
.sto-tool .sto-coverage-svg{display:block;width:100%;max-width:320px;margin:auto}
.sto-tool .sto-coverage-lead{display:block;color:#102d61;margin-bottom:8px}
.sto-tool .sto-facet-list{display:grid;gap:6px}
.sto-tool .sto-facet-item{display:flex;gap:8px;align-items:flex-start;color:#49627f;font-size:13px}
.sto-tool .sto-dot{width:12px;height:12px;border-radius:50%;margin-top:3px;flex:0 0 12px}
.sto-tool .sto-context-box{padding:12px;border-radius:12px;background:#f2f7fc;color:#405a7a}
.sto-tool .sto-context-key{margin-top:10px;padding:12px;border-radius:12px;background:#e8f5ff;color:#0875d1;font-weight:700}

.sto-tool .sto-why-grid{display:grid;grid-template-columns:minmax(340px,.82fr) minmax(0,1.18fr);gap:14px;align-items:start}
.sto-tool .sto-why-grid>.sto-card,.sto-tool .sto-compare-main{padding:20px}
.sto-tool .sto-why-copy p{margin:0 0 12px}
.sto-tool .sto-principle{padding:14px;border-radius:14px;background:#eaf6ff;color:#0872cc;font-weight:700}
.sto-tool .sto-mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}
.sto-tool .sto-mini-grid div{padding:12px;border:1px solid #dce8f4;border-radius:14px;background:#fff}
.sto-tool .sto-mini-grid strong,.sto-tool .sto-mini-grid span{display:block}
.sto-tool .sto-mini-grid span{font-size:13px;color:#607493}
.sto-tool .sto-image-card{display:flex;align-items:center;justify-content:center;overflow:hidden}
.sto-tool .sto-why-image-card img,.sto-tool .sto-compare-image{width:100%;border-radius:14px;border:1px solid #dce8f4;background:#fff}

.sto-tool .sto-compare-main{display:grid;grid-template-columns:360px minmax(0,1fr);gap:18px}
.sto-tool .sto-compare-sidebar{display:grid;gap:14px;align-content:start}
.sto-tool .sto-compare-sidecopy{margin:0;color:#577291}
.sto-tool .sto-structure-picker{display:grid;gap:8px}
.sto-tool .sto-structure-button{padding:12px 14px;border:1px solid #cbdbea;border-radius:12px;background:linear-gradient(180deg,#fbfdff,#f2f7fc);color:var(--sto-navy);cursor:pointer;text-align:left;font-weight:700;box-shadow:var(--sto-card-shadow)}
.sto-tool .sto-structure-button.is-active{background:linear-gradient(135deg,#1188f3,#2c76d8);border-color:#147bdc;color:#fff}
.sto-tool .sto-compare-summary{padding:16px;border-radius:16px;background:#f7fbff;border:1px solid #dbe7f4}
.sto-tool .sto-compare-summary h4{margin:0 0 8px;color:var(--sto-navy);font-size:22px}
.sto-tool .sto-compare-summary p{margin:0 0 14px;color:#4d6483}
.sto-tool .sto-summary-grid{display:grid;gap:10px}
.sto-tool .sto-summary-grid div{padding:10px 12px;border:1px solid #dde8f3;border-radius:12px;background:#fff}
.sto-tool .sto-summary-label{display:block;color:#6e86a2;font-size:12px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:3px}
.sto-tool .sto-compare-view{min-width:0;display:flex;align-items:flex-start}

.sto-tool .sto-scaling{margin-top:14px;padding:20px}
.sto-tool .sto-scaling-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
.sto-tool .sto-scaling-head p{margin:4px 0 0;color:#567193}
.sto-tool .sto-scaling output{display:inline-grid;place-items:center;min-width:88px;height:88px;border-radius:50%;background:linear-gradient(180deg,#f8fbff,#eaf4fe);border:1px solid #dbe8f4;color:var(--sto-blue-dark);font-size:28px;font-weight:700;box-shadow:var(--sto-card-shadow)}
.sto-tool .sto-slider-wrap{margin-top:14px}
.sto-tool .sto-slider-label{display:block;color:var(--sto-navy);font-weight:700;margin-bottom:8px}
.sto-tool input[type=range][data-sto-node-slider]{width:100%}
.sto-tool .sto-metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}
.sto-tool .sto-metric-card{padding:16px;border:1px solid #dde8f3;border-radius:16px;background:#fbfdff}
.sto-tool .sto-metric-card span{display:block;color:#5e7b9d;font-size:13px;text-transform:uppercase;letter-spacing:.03em}
.sto-tool .sto-metric-card strong{display:block;margin:6px 0 2px;color:var(--sto-navy);font-size:32px;line-height:1}
.sto-tool .sto-metric-card small{display:block;color:#1688f2;font-weight:700;min-height:38px}
.sto-tool .sto-metric-card p{margin:10px 0 0;color:#547095;font-size:14px}
.sto-tool .sto-scaling-takeaway{margin-top:16px;padding:14px 16px;border-radius:14px;background:#edf7ff;border:1px solid #dbe8f4;color:#0f5fae;font-weight:700}

.sto-tool .sto-status{margin-top:16px;padding:12px 14px;border:1px solid var(--sto-border);border-radius:14px;background:#fbfdff;color:#547095;font-size:13px}

@media (max-width: 1180px){
  .sto-tool .sto-hero{grid-template-columns:1fr}
  .sto-tool .sto-arch-bottom,.sto-tool .sto-compare-main,.sto-tool .sto-why-grid,.sto-tool .sto-coverage-wrap,.sto-tool .sto-metric-grid{grid-template-columns:1fr}
  .sto-tool .sto-arch-toolbar,.sto-tool .sto-toolbar-copy{grid-template-columns:1fr}
}

@media (max-width: 860px){
  .sto-tool .sto-tabs,.sto-tool .sto-flow-band,.sto-tool .sto-mini-grid{grid-template-columns:1fr}
  .sto-tool .sto-hero-copy{grid-template-columns:56px minmax(0,1fr)}
  .sto-tool .sto-brand-mark{width:52px;height:52px}
}
.sto-tool .sto-growth-rule{margin-top:10px;padding:8px 10px;border-radius:10px;background:#eef6ff;color:#0f6bbf;font-size:12px;font-weight:700}
.sto-tool .sto-repercussion{color:var(--sto-navy);font-size:inherit;display:inline;margin:0}

/* v1.6.0 architecture-view controls */
.sto-tool .sto-arch-view-switch{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0 6px 12px}
.sto-tool .sto-arch-view-button{padding:11px 14px;border:1px solid #cbdbea;border-radius:13px;background:linear-gradient(180deg,#fbfdff,#f2f7fc);color:var(--sto-navy);cursor:pointer;text-align:left;box-shadow:var(--sto-card-shadow)}
.sto-tool .sto-arch-view-button strong,.sto-tool .sto-arch-view-button span{display:block}
.sto-tool .sto-arch-view-button strong{font-size:16px;line-height:1.2}
.sto-tool .sto-arch-view-button span{margin-top:2px;color:#6781a0;font-size:12px;font-weight:600}
.sto-tool .sto-arch-view-button.is-active{background:linear-gradient(135deg,#1188f3,#2c76d8);border-color:#147bdc;color:#fff}
.sto-tool .sto-arch-view-button.is-active span{color:#eef8ff}
.sto-tool .sto-architecture-note{margin:0 6px 12px;padding:11px 13px;border:1px solid #d8e6f4;border-radius:13px;background:#f6fbff;color:#4d6382;font-size:13.5px}
.sto-tool .sto-architecture-note strong{color:#0b5da9}
.sto-tool .sto-human-module-select{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0 6px 14px}
.sto-tool .sto-human-module-select[hidden]{display:none!important}
.sto-tool .sto-human-module-button{padding:10px 13px;border:1px solid #d3e1ef;border-radius:13px;background:#fff;color:#4f6b91;cursor:pointer;text-align:left;box-shadow:0 4px 16px rgba(13,45,100,.04)}
.sto-tool .sto-human-module-button span,.sto-tool .sto-human-module-button strong{display:block}
.sto-tool .sto-human-module-button span{font-size:12px;text-transform:uppercase;letter-spacing:.04em;font-weight:800;color:#6d86a4}
.sto-tool .sto-human-module-button strong{margin-top:3px;color:var(--sto-navy);font-size:15px}
.sto-tool .sto-human-module-button.is-active{border-color:#5ea9ee;background:#edf7ff;box-shadow:0 0 0 2px rgba(22,136,242,.10)}
.sto-tool .sto-human-module-button.is-active span{color:#0c73cc}
.sto-tool .sto-oversoul-node{cursor:pointer}
.sto-tool .sto-oversoul-node:focus{outline:none}
.sto-tool .sto-arch-view-button:focus-visible,.sto-tool .sto-human-module-button:focus-visible{outline:3px solid rgba(22,136,242,.28);outline-offset:2px}
@media (max-width:680px){
  .sto-tool .sto-arch-view-switch,.sto-tool .sto-human-module-select{grid-template-columns:1fr}
}

/* v1.6.3: make the theme selector an unmistakable starting control. */
.sto-tool .sto-theme-picker{position:relative;padding:16px 16px 14px;border:2px solid #1688f2;border-radius:16px;background:linear-gradient(180deg,#f3faff,#e8f4ff);box-shadow:0 8px 20px rgba(22,136,242,.12)}
.sto-tool .sto-theme-callout{display:flex;align-items:center;gap:7px;margin:0 0 7px;color:#0a4b9d;font-size:12px;font-weight:900;letter-spacing:.09em}
.sto-tool .sto-theme-callout span{display:inline-block;padding:4px 8px;border-radius:999px;background:#1688f2;color:#fff}
.sto-tool .sto-theme-callout strong{font-size:20px;line-height:1;color:#1688f2}
.sto-tool .sto-theme-picker .sto-label{margin-bottom:7px;font-size:16px;color:#092457}
.sto-tool .sto-select-wrap{position:relative}
.sto-tool .sto-select{appearance:none;border:2px solid #1688f2;min-height:54px;padding:10px 46px 10px 14px;background:#fff;box-shadow:0 4px 12px rgba(22,136,242,.10);font-size:18px;cursor:pointer}
.sto-tool .sto-select:hover{border-color:#0a69c7;box-shadow:0 5px 16px rgba(22,136,242,.17)}
.sto-tool .sto-select-cue{position:absolute;right:15px;top:50%;transform:translateY(-50%);pointer-events:none;color:#0a4b9d;font-size:18px;font-weight:900}
.sto-tool .sto-theme-helper{margin-top:7px;color:#456889;font-size:12.5px;font-weight:600}