:root {
  --nznm-brand-500:#008DE6; --nznm-brand-700:#075985; --nznm-brand-900:#0B3F61;
  --nznm-brand-soft:#EAF7FF; --nznm-brand-subtle:#F5FBFF; --nznm-page-bg:#EEF7FC; --nznm-surface:#FFFFFF;
  --nznm-text-primary:#172A36; --nznm-text-secondary:#526876; --nznm-text-heading:#0B3F61; --nznm-text-link:#075985; --nznm-text-on-dark:#FFFFFF;
  --nznm-border:#7899AA; --nznm-border-soft:rgba(7,89,133,.10);
  --nznm-info-text:#075985; --nznm-info-bg:#EAF7FF; --nznm-info-border:#9DDCFF;
  --nznm-success-text:#166534; --nznm-success-bg:#F0FDF4; --nznm-success-border:#86EFAC;
  --nznm-warning-text:#92400E; --nznm-warning-bg:#FFFBEB; --nznm-warning-border:#FCD34D;
  --nznm-error-text:#B42318; --nznm-error-bg:#FEF3F2; --nznm-error-border:#FDA29B;
  --nznm-button-primary-start:#0878BD; --nznm-button-primary-end:#075985;
  --nznm-focus:#008DE6; --nznm-focus-ring:rgba(0,141,230,.18);
  --nznm-font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;
  --nznm-line-height:1.65; --nznm-heading-line-height:1.3; --nznm-container-max:1040px;
  --nznm-radius-input:8px; --nznm-radius-card-mobile:12px; --nznm-radius-card:16px; --nznm-radius-pill:999px;
  --nznm-space-1:4px; --nznm-space-2:8px; --nznm-space-3:12px; --nznm-space-4:16px; --nznm-space-5:20px; --nznm-space-6:24px; --nznm-space-8:32px; --nznm-space-10:40px; --nznm-space-12:48px; --nznm-space-16:64px;
  --nznm-shadow-card:0 8px 24px rgba(11,63,97,.06);
}
.nznm-tool{box-sizing:border-box;width:100%;max-width:var(--nznm-container-max);margin:0 auto;padding:var(--nznm-space-6);color:var(--nznm-text-primary);background:linear-gradient(180deg,#F5FBFF 0%,#EEF7FC 100%);font-family:var(--nznm-font);font-size:1rem;line-height:var(--nznm-line-height);border-radius:var(--nznm-radius-card)}
.nznm-tool *,.nznm-tool *::before,.nznm-tool *::after{box-sizing:border-box}.nznm-tool [hidden]{display:none!important}
.nznm-header{padding:var(--nznm-space-6);margin-bottom:var(--nznm-space-6);background:var(--nznm-surface);border:1px solid var(--nznm-border-soft);border-radius:var(--nznm-radius-card);box-shadow:var(--nznm-shadow-card)}
.nznm-header__top{display:flex;align-items:center;justify-content:space-between;gap:var(--nznm-space-4);margin-bottom:var(--nznm-space-5)}
.nznm-brand{min-width:0}.nznm-logo-link{display:inline-block;max-width:100%;line-height:0;text-decoration:none}.nznm-logo{display:block;width:auto;max-width:360px;height:auto}.nznm-logo-fallback{font-weight:700;color:var(--nznm-brand-900);text-decoration:none;font-size:1.25rem}
.nznm-unofficial-badge{flex:0 0 auto;display:inline-flex;align-items:center;min-height:32px;padding:4px 10px;border:1px solid var(--nznm-border-soft);border-radius:var(--nznm-radius-pill);color:var(--nznm-text-secondary);background:var(--nznm-brand-subtle);font-size:.875rem;font-weight:600}
.nznm-tool-title{margin:0;color:var(--nznm-text-heading);font-size:clamp(1.9rem,5vw,3rem);line-height:var(--nznm-heading-line-height);font-weight:700}.nznm-tool-description{margin:var(--nznm-space-3) 0 0;color:var(--nznm-text-secondary)}
.nznm-card{padding:var(--nznm-space-6);background:var(--nznm-surface);border:1px solid var(--nznm-border-soft);border-radius:var(--nznm-radius-card);box-shadow:var(--nznm-shadow-card)}
.nznm-section-title{display:block;margin:0 0 var(--nznm-space-5)!important;padding:0!important;border:0!important;border-radius:0!important;background:none!important;box-shadow:none!important;color:var(--nznm-text-heading)!important;font-family:var(--nznm-font)!important;font-size:1.35rem!important;line-height:var(--nznm-heading-line-height)!important;font-weight:700!important;letter-spacing:0!important;text-transform:none!important}
.nznm-section-title::before,.nznm-section-title::after{content:none!important;display:none!important}
.nznm-field{position:relative;margin-bottom:var(--nznm-space-5)}.nznm-field label{display:block;margin-bottom:var(--nznm-space-2);font-weight:600;color:var(--nznm-text-primary)}
.nznm-field input,.nznm-field select,.nznm-field textarea{width:100%;min-height:44px;padding:10px 12px;background:#fff;border:1px solid var(--nznm-border);border-radius:var(--nznm-radius-input);color:var(--nznm-text-primary);font:inherit}.nznm-field input::placeholder{color:#718491;opacity:1}.nznm-help{margin:var(--nznm-space-2) 0 0;color:var(--nznm-text-secondary);font-size:.875rem}
.nznm-button{min-height:44px;padding:10px 18px;border-radius:8px;font:600 1rem/1.35 var(--nznm-font);cursor:pointer}.nznm-button--primary{border:0;color:#fff;background:linear-gradient(135deg,var(--nznm-button-primary-start) 0%,var(--nznm-button-primary-end) 100%)}.nznm-button--primary:hover{filter:brightness(.96)}.nznm-button--secondary{border:1px solid var(--nznm-border);color:var(--nznm-brand-700);background:#fff}.nznm-button--secondary:hover{background:var(--nznm-brand-subtle)}.nznm-button--compact{min-height:36px;padding:6px 10px;font-size:.875rem}.nznm-button:disabled{opacity:.55;cursor:not-allowed}
.nznm-tool button:focus-visible,.nznm-tool input:focus-visible,.nznm-tool a:focus-visible{outline:3px solid var(--nznm-focus);outline-offset:2px;box-shadow:0 0 0 4px var(--nznm-focus-ring)}
.nznm-status{padding:var(--nznm-space-4);border:1px solid;border-radius:var(--nznm-radius-input)}.nznm-status--info{color:var(--nznm-info-text);background:var(--nznm-info-bg);border-color:var(--nznm-info-border)}.nznm-status--success{color:var(--nznm-success-text);background:var(--nznm-success-bg);border-color:var(--nznm-success-border)}.nznm-status--warning{color:var(--nznm-warning-text);background:var(--nznm-warning-bg);border-color:var(--nznm-warning-border)}.nznm-status--error{color:var(--nznm-error-text);background:var(--nznm-error-bg);border-color:var(--nznm-error-border)}
.nznm-footer{margin-top:var(--nznm-space-8);padding:var(--nznm-space-6) var(--nznm-space-2) 0;border-top:2px solid var(--nznm-brand-soft);color:var(--nznm-text-secondary)}.nznm-footer p{margin:0 0 var(--nznm-space-2)}.nznm-footer__small{font-size:.875rem}
@media(max-width:760px){.nznm-tool{padding:20px}.nznm-header,.nznm-card{padding:20px}}
@media(max-width:620px){.nznm-tool{padding:16px;border-radius:var(--nznm-radius-card-mobile)}.nznm-header,.nznm-card{padding:16px;border-radius:var(--nznm-radius-card-mobile)}.nznm-header__top{align-items:flex-start;flex-direction:column}.nznm-logo{max-width:315px;width:100%}.nznm-button--primary{width:100%}}
@media(prefers-reduced-motion:reduce){.nznm-tool *,.nznm-tool *::before,.nznm-tool *::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}