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a{display:block;padding-block:.85rem;font-size:1.0625rem;line-height:1.35;color:var(--pba-ink);text-decoration:underline;text-decoration-color:transparent;text-decoration-thickness:1px;text-underline-offset:.35em;transition:text-decoration-color .16s ease,color .16s ease;text-wrap:pretty}.pba-idx a:hover{color:var(--pba-money)}.pba-idx a:hover{text-decoration-color:var(--pba-money)}.pba-idx a:focus-visible{outline:2px solid var(--pba-money);outline-offset:3px}#counter-case li[id],#failure-modes [data-reveal-item]>div[id]{scroll-margin-top:5.5rem}.pba-tree{--pba-tree-rail: 2.25rem;margin-top:1.75rem;padding:0;list-style:none;max-width:var(--pba-wide)}@media(min-width:40rem){.pba-tree{--pba-tree-rail: 3rem}}.pba-tree-step{position:relative;border-left:1px solid var(--pba-rule);padding:0 0 1.75rem var(--pba-tree-rail)}.pba-tree-step:last-child{padding-bottom:0}.pba-tree-step:before{content:"";position:absolute;left:-4px;top:.34rem;width:7px;height:7px;border:1px solid var(--pba-ink);background-color:transparent}.pba-tree-step:last-child:after{content:"";position:absolute;left:-1px;bottom:0;width:.625rem;border-top:1px solid var(--pba-rule)}.pba-tree-q{display:flex;align-items:baseline;gap:.75rem;margin:0;max-width:var(--pba-measure);font-size:1.0625rem;line-height:1.55;font-weight:500;color:var(--pba-ink);text-wrap:pretty}.pba-tree-n{flex:none;font-family:var(--font-mono);font-size:.75rem;font-weight:500;letter-spacing:.08em;font-variant-numeric:tabular-nums;color:var(--pba-fine)}.pba-tree-branches{display:grid;gap:.75rem;margin:.875rem 0 0;padding:0;list-style:none}.pba-tree-branch{position:relative;max-width:var(--pba-measure);font-size:.9375rem;line-height:1.55;color:var(--pba-fine)}.pba-tree-branch:not([data-continues]):before{content:"";position:absolute;left:calc(-1 * var(--pba-tree-rail));top:.1rem;width:calc(var(--pba-tree-rail) - .5rem);height:.6rem;border-left:1px solid var(--pba-rule);border-bottom:1px solid var(--pba-rule);border-bottom-left-radius:3px}.pba-tree-a{font-weight:500;color:var(--pba-ink)}.pba-tree-then{color:var(--pba-fine)}.pba-tree-sep{padding-inline:.375rem;color:var(--pba-fine)}#worksheet dl[data-weigh-block]>div{padding-left:1.125rem}#worksheet dl>div[data-weigh]{border-left:2px solid var(--pba-money)}@media print{.pba-tree-step{break-inside:avoid}}