.krbc-wrap{--navy:#12375b;--blue:#eaf5ff;--sky:#dff1ff;--ink:#17212b;--muted:#5c6975;--line:#cbd9e5;--yellow:#fff5cf;max-width:920px;margin:24px auto;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);font-size:18px;line-height:1.75;box-sizing:border-box}.krbc-wrap *{box-sizing:border-box}.krbc-hero{position:relative;background:var(--navy);color:#fff;border-radius:22px;padding:34px 34px 46px;text-align:center}.krbc-super{font-weight:800;font-size:19px;letter-spacing:.04em}.krbc-hero h1{color:#fff!important;font-size:46px!important;line-height:1.2;margin:10px 0!important}.krbc-lead{font-size:22px;margin:0}.krbc-lead strong{color:#fff}.krbc-author{position:absolute;right:24px;bottom:14px;font-weight:700;font-size:16px}.krbc-updated{text-align:right;color:var(--muted);font-size:14px;margin:8px 5px 18px}.krbc-card,.krbc-results,.krbc-source{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;margin:22px 0;box-shadow:0 4px 18px rgba(18,55,91,.07)}.krbc-card h2,.krbc-results h2,.krbc-source h2{font-size:27px!important;line-height:1.35;margin:0 0 18px!important;color:var(--ink)!important}.krbc-card h2 span,.krbc-results h2 span{display:inline-grid;place-items:center;background:var(--navy);color:#fff;border-radius:999px;width:38px;height:38px;margin-right:8px}.krbc-help,.krbc-small{color:var(--muted);font-size:16px}.krbc-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.krbc-wide{grid-column:1/-1}.krbc-field{display:block;font-weight:700}.krbc-field>span{display:block;margin-bottom:6px}.krbc-field input,.krbc-field select{width:100%;font-size:20px!important;min-height:54px;border:2px solid #9eb6c9!important;border-radius:10px!important;padding:10px 12px!important;background:#fff;color:#111}.krbc-field small{display:block;font-weight:400;color:var(--muted);font-size:14px;margin-top:5px}.krbc-money{display:flex;align-items:center;gap:8px}.krbc-money em{font-style:normal;font-weight:700}.krbc-choice{border:1px solid var(--line);border-radius:12px;padding:15px 18px;margin:20px 0}.krbc-choice legend{font-weight:800;padding:0 7px}.krbc-choice label{display:inline-flex;align-items:center;gap:7px;margin:8px 20px 3px 0;font-size:18px}.krbc-choice input{width:22px;height:22px}.krbc-btn{display:block;width:100%;border:0!important;border-radius:12px!important;background:var(--navy)!important;color:#fff!important;font-weight:800!important;font-size:23px!important;padding:17px!important;cursor:pointer}.krbc-btn:hover{opacity:.92}.krbc-error{color:#a62424;font-weight:700;margin-top:12px}.krbc-notice{border-radius:15px;padding:21px 24px;margin:22px 0}.krbc-notice h2,.krbc-notice h3{margin:0 0 8px!important;color:var(--ink)!important}.krbc-notice p{margin:0}.krbc-notice-blue{background:var(--blue);border-left:7px solid #2878b8}.krbc-notice-yellow{background:var(--yellow);border-left:7px solid #d69d00}.krbc-result-main{background:var(--sky);border-radius:14px;padding:21px 24px;margin-bottom:18px}.krbc-result-main>strong{display:block;font-size:28px;color:#0f4d79}.krbc-result-main p{margin:7px 0}.krbc-detail{font-size:15px;color:var(--muted)}.krbc-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.krbc-metrics>div{border:1px solid var(--line);border-radius:12px;padding:16px}.krbc-metrics small{display:block;color:var(--muted)}.krbc-metrics strong{display:block;font-size:24px;margin-top:5px}.krbc-amount-box{margin:18px 0;background:var(--navy);color:#fff;border-radius:15px;padding:22px;text-align:center}.krbc-amount-box span,.krbc-amount-box small{display:block}.krbc-amount-box strong{display:block;color:#fff;font-size:38px;line-height:1.3;margin:5px 0}.krbc-threshold{background:#f5f9fc;border-radius:12px;padding:17px 20px;margin-top:18px}.krbc-threshold h3{margin:0 0 6px!important;font-size:22px!important}.krbc-warn{background:#fff0ed;border-left:6px solid #c94c3b;padding:12px 15px;margin:12px 0;border-radius:8px}.krbc-example{background:var(--blue);border-radius:12px;padding:18px 20px}.krbc-example>strong{font-size:22px}.krbc-checks{display:grid;gap:12px}.krbc-checks label{display:flex;align-items:flex-start;gap:12px;background:#f7fafc;border-radius:10px;padding:14px 16px;font-weight:700}.krbc-checks input{width:24px;height:24px;margin-top:4px;flex:0 0 auto}.krbc-source{background:#f7fafc}.krbc-source p{font-size:15px}.krbc-links{display:flex;flex-wrap:wrap;gap:9px}.krbc-links a{display:inline-block;background:#fff;border:1px solid #9eb6c9;border-radius:999px;padding:6px 12px;text-decoration:none;font-size:14px}.krbc-disclaimer{font-size:14px;color:#55616c;padding:10px 14px 30px}.krbc-disclaimer p{margin:4px 0}
@media(max-width:680px){.krbc-wrap{font-size:17px;margin:12px auto}.krbc-hero{border-radius:15px;padding:28px 18px 48px}.krbc-hero h1{font-size:36px!important}.krbc-lead{font-size:19px}.krbc-author{right:16px}.krbc-card,.krbc-results,.krbc-source{padding:20px 16px;border-radius:14px}.krbc-grid{grid-template-columns:1fr}.krbc-wide{grid-column:auto}.krbc-metrics{grid-template-columns:1fr}.krbc-choice label{display:flex;margin-right:0}.krbc-amount-box strong{font-size:31px}.krbc-card h2,.krbc-results h2,.krbc-source h2{font-size:23px!important}}
/* v1.1.0 readability refinements */
.krbc-wrap section{scroll-margin-top:16px}
.krbc-wrap h1,.krbc-wrap h2,.krbc-wrap h3{padding-top:0!important}
.krbc-boundary-guide{background:#eef7ff;border:2px solid #9fc8e8;border-radius:14px;padding:20px 22px;margin:0 0 24px}
.krbc-boundary-guide h3{font-size:24px!important;line-height:1.45;margin:0 0 10px!important;color:#17212b!important}
.krbc-boundary-guide p{margin:8px 0}
.krbc-date-example{background:#fff;border:1px solid #b8ccdc;border-radius:12px;padding:15px 17px;margin:14px 0}
.krbc-date-example>strong{display:block;font-size:21px;margin-bottom:8px}
.krbc-date-example p{margin:8px 0;padding:8px 10px;background:#f7fafc;border-radius:8px}
.krbc-emphasis{font-size:20px;font-weight:800;border-left:6px solid #c94c3b;background:#fff;padding:10px 13px!important}
.krbc-result-explain{background:#eef7ff;border-radius:12px;padding:16px 19px;margin:18px 0 0}
.krbc-result-explain>strong{font-size:21px}.krbc-result-explain p{margin:5px 0 0}
.krbc-threshold h3{padding-top:0!important}
.krbc-hero,.krbc-amount-box,.krbc-btn{color:#fff!important}
.krbc-hero *,.krbc-amount-box *{color:#fff!important}
@media(max-width:680px){.krbc-boundary-guide{padding:17px 14px}.krbc-boundary-guide h3{font-size:21px!important}.krbc-date-example>strong{font-size:19px}.krbc-emphasis{font-size:18px}}
/* v1.1.1 ABSOLUTE CONTRAST RULE: dark navy backgrounds may never contain dark text. */
.krbc-wrap .krbc-hero,
.krbc-wrap .krbc-amount-box,
.krbc-wrap .krbc-btn,
.krbc-wrap .krbc-card h2 span,
.krbc-wrap .krbc-results h2 span{color:#fff!important;}
.krbc-wrap .krbc-hero h1,
.krbc-wrap .krbc-hero h2,
.krbc-wrap .krbc-hero h3,
.krbc-wrap .krbc-hero p,
.krbc-wrap .krbc-hero span,
.krbc-wrap .krbc-hero strong,
.krbc-wrap .krbc-hero small,
.krbc-wrap .krbc-hero b,
.krbc-wrap .krbc-hero em,
.krbc-wrap .krbc-hero a,
.krbc-wrap .krbc-author,
.krbc-wrap .krbc-super,
.krbc-wrap .krbc-lead,
.krbc-wrap .krbc-lead strong,
.krbc-wrap .krbc-amount-box h1,
.krbc-wrap .krbc-amount-box h2,
.krbc-wrap .krbc-amount-box h3,
.krbc-wrap .krbc-amount-box p,
.krbc-wrap .krbc-amount-box span,
.krbc-wrap .krbc-amount-box strong,
.krbc-wrap .krbc-amount-box small,
.krbc-wrap .krbc-amount-box b,
.krbc-wrap .krbc-amount-box em,
.krbc-wrap .krbc-amount-box a,
.krbc-wrap button.krbc-btn,
.krbc-wrap button.krbc-btn:hover,
.krbc-wrap button.krbc-btn:focus,
.krbc-wrap button.krbc-btn:active,
.krbc-wrap .krbc-card h2 span,
.krbc-wrap .krbc-results h2 span{color:#fff!important;-webkit-text-fill-color:#fff!important;}
.krbc-wrap .krbc-hero a,
.krbc-wrap .krbc-amount-box a{text-decoration-color:#fff!important;}

/* v1.1.2 THEME-OVERRIDE SAFETY: WordPress themes must never turn tool headings into dark bars with dark text. */
.krbc-wrap .krbc-notice h2,
.krbc-wrap .krbc-notice h3,
.krbc-wrap .krbc-card > h2,
.krbc-wrap .krbc-results > h2,
.krbc-wrap .krbc-source > h2,
.krbc-wrap .krbc-threshold h3,
.krbc-wrap .krbc-boundary-guide h3 {
  background:#eaf5ff !important;
  background-image:none !important;
  color:#17212b !important;
  -webkit-text-fill-color:#17212b !important;
  text-shadow:none !important;
  border-color:#b9d8ef !important;
}
.krbc-wrap .krbc-notice h2 *,
.krbc-wrap .krbc-notice h3 *,
.krbc-wrap .krbc-card > h2 > :not(span),
.krbc-wrap .krbc-results > h2 > :not(span),
.krbc-wrap .krbc-source > h2 *,
.krbc-wrap .krbc-threshold h3 *,
.krbc-wrap .krbc-boundary-guide h3 * {
  color:#17212b !important;
  -webkit-text-fill-color:#17212b !important;
}
/* Number badges are the only dark element inside these headings; their text is forcibly white. */
.krbc-wrap .krbc-card > h2 > span,
.krbc-wrap .krbc-results > h2 > span {
  background:#12375b !important;
  background-image:none !important;
  color:#ffffff !important;
  -webkit-text-fill-color:#ffffff !important;
}
/* Remove theme pseudo-elements that can paint dark heading bars. */
.krbc-wrap .krbc-notice h2::before,
.krbc-wrap .krbc-notice h2::after,
.krbc-wrap .krbc-card > h2::before,
.krbc-wrap .krbc-card > h2::after,
.krbc-wrap .krbc-results > h2::before,
.krbc-wrap .krbc-results > h2::after,
.krbc-wrap .krbc-source > h2::before,
.krbc-wrap .krbc-source > h2::after {
  background:transparent !important;
  background-image:none !important;
}
/* Dark containers: all descendants must stay white even under aggressive theme rules. */
.krbc-wrap .krbc-hero,
.krbc-wrap .krbc-hero *,
.krbc-wrap .krbc-amount-box,
.krbc-wrap .krbc-amount-box *,
.krbc-wrap button.krbc-btn,
.krbc-wrap button.krbc-btn * {
  color:#ffffff !important;
  -webkit-text-fill-color:#ffffff !important;
  text-shadow:none !important;
}

/* v1.1.3 WHY-THE-DAY-BEFORE-IS-LATE: plain-language explanation for seniors */
.krbc-wrap .krbc-why-box{background:#fff8dc!important;border:2px solid #e8c95a!important;border-radius:16px!important;padding:18px 20px!important;margin:18px 0!important;color:#17212b!important;-webkit-text-fill-color:#17212b!important}
.krbc-wrap .krbc-why-box *{color:#17212b!important;-webkit-text-fill-color:#17212b!important}
.krbc-wrap .krbc-why-box>strong{display:block;font-size:22px;line-height:1.45;margin:0 0 10px!important}
.krbc-wrap .krbc-why-box p{margin:8px 0!important}
.krbc-wrap .krbc-loss-note{background:#fff!important;border-left:6px solid #c77b00!important;border-radius:10px!important;padding:12px 14px!important;margin:12px 0!important}
@media(max-width:680px){.krbc-wrap .krbc-why-box{padding:15px 14px!important}.krbc-wrap .krbc-why-box>strong{font-size:20px}}