.couple-bonus-figure{margin:1.6rem 0;padding:clamp(16px,3vw,28px);border:1px solid var(--c-border);border-radius:16px;background:var(--c-surface);color:var(--c-ink)}
.couple-bonus-figure figcaption{margin:0 0 1rem;font-size:clamp(1.2rem,3vw,1.65rem);line-height:1.6;color:var(--c-ink)}
.couple-unit{white-space:nowrap}
.couple-legend{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;margin:0 0 1.2rem!important;font-size:.875rem;line-height:1.7}
.couple-legend>span{display:inline-flex;gap:.4em;align-items:baseline}
.couple-legend i{display:inline-block;width:.7em;height:.7em;flex-shrink:0;border-radius:2px}
.couple-key-a,.couple-a{background:#087f79}
.couple-key-b,.couple-b{background:#3854a6}
.couple-lanes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.couple-lane{display:grid;grid-template-rows:subgrid;grid-row:span 5;gap:0;min-width:0}
.couple-bonus-figure h3{font-size:1rem;line-height:1.7;margin:0;padding:0;color:var(--c-ink)}
.couple-rule{font-size:.875rem;line-height:1.7;margin:.4rem 0 1rem!important}
.couple-chart{padding-top:1.9rem;position:relative;min-width:0}
.couple-threshold{position:absolute;left:83.333333%;top:0;transform:translateX(-70%);white-space:nowrap;font-size:.8rem;line-height:1.7;color:var(--c-ink-soft)}
.couple-track{position:relative;display:flex;min-height:24px;background:var(--c-bg);border:1px solid var(--c-border);border-radius:3px;margin:0}
.couple-track::after{content:"";position:absolute;left:83.333333%;top:-6px;bottom:-6px;border-left:2px dashed var(--c-ink)}
.couple-track i{display:block;width:calc(var(--amount)/120*100%);min-height:24px;flex-shrink:0}
.couple-bar-label{font-size:.85rem;line-height:1.7;margin:.6rem 0 1.1rem!important}
.couple-bonus-figure dl,.couple-bonus-figure dt,.couple-bonus-figure dd{margin:0}
.couple-result{border-top:1px solid var(--c-border);padding-top:.8rem}
.couple-result dt{font-size:.875rem;line-height:1.8;color:var(--c-ink-soft)}
.couple-result dd{font-size:clamp(1.65rem,5vw,2.25rem);font-weight:800;line-height:1.5;font-variant-numeric:tabular-nums}
.couple-result dd span{white-space:nowrap}
.couple-result small{display:block;font-size:.875rem;font-weight:500;color:var(--c-ink-soft);line-height:1.7}
.couple-caption{font-size:.875rem;line-height:1.8;margin:.5rem 0 0!important}
.couple-assumption{margin:1.2rem 0 0!important;font-size:.875rem;line-height:1.8}
.couple-bonus-figure .source{margin:1rem 0 0;font-size:.8rem;line-height:1.8}
@media(max-width:599px){.couple-lanes{grid-template-columns:1fr;gap:24px}.couple-lane{display:block;grid-row:auto}.couple-lane+.couple-lane{border-top:1px solid var(--c-border);padding-top:20px}.couple-chart{min-height:0}.couple-result{display:flex;align-items:baseline;flex-wrap:wrap;gap:.4rem 1rem}.couple-result dd{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 .3em}.couple-result small{display:inline}}
@media(prefers-color-scheme:dark){.couple-key-a,.couple-a{background:#46bdb0}.couple-key-b,.couple-b{background:#98adf1}}
@supports not(grid-template-rows:subgrid){.couple-lane{display:block}}