/* ============================================
   AI繝懊�繝翫せ繝ｩ繝� - style.css v1.0
   common/css(reset/variables/base)繧貞燕謠舌→縺吶ｋ縲�
   ============================================ */

   .brand-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: inherit;
    text-decoration: none;
  }
  
  .breadcrumb {
    margin: 0 0 14px;
    font-size: 12px;
    color: var(--color-text-muted);
  }
  
  .breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin: 0;
    padding: 0;
    list-style: none;
  }
  
  .breadcrumb li + li::before {
    content: "/";
    margin-right: 7px;
    color: var(--color-border-strong, var(--color-border));
  }
  
  .breadcrumb a {
    color: var(--color-accent);
  }
  
  .tool-hero {
    text-align: center;
    padding: 10px 4px 20px;
  }
  
  .tool-hero__badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
  }
  
  .tool-hero__badge {
    padding: 5px 11px;
    border-radius: 999px;
    color: var(--color-accent-dark);
    background: var(--color-accent-bg);
    font-size: 11px;
    font-weight: 600;
  }
  
  .tool-hero__title {
    margin: 0;
    font-size: clamp(27px, 7vw, 38px);
    line-height: 1.3;
    color: var(--color-text-primary);
  }
  
  .tool-hero__desc {
    max-width: 620px;
    margin: 12px auto 0;
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.8;
  }
  
  .input-block {
    margin: 18px 0 0;
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-sunken);
  }
  
  .input-block__title {
    padding: 0 6px;
    color: var(--color-text-primary);
    font-size: 14px;
    font-weight: 600;
  }
  
  .input-block--detail {
    margin-top: 10px;
    background: var(--color-surface);
  }
  
  .mode-selector {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: 14px;
  }
  
  .mode-option {
    position: relative;
    display: block;
    cursor: pointer;
  }
  
  .mode-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }
  
  .mode-option span {
    display: block;
    padding: 11px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    text-align: center;
    font-size: 13px;
    font-weight: 500;
  }
  
  .mode-option input:checked + span {
    border-color: var(--color-accent);
    background: var(--color-accent-bg);
    color: var(--color-accent-dark);
    box-shadow: 0 0 0 1px var(--color-accent);
  }
  
  .mode-option input:focus-visible + span {
    outline: 3px solid color-mix(in srgb, var(--color-accent) 30%, transparent);
    outline-offset: 2px;
  }
  
  .mode-panel {
    display: grid;
    gap: 12px;
  }
  
  .field {
    display: block;
    margin-top: 14px;
  }
  
  .mode-panel .field:first-child,
  .input-block > .field:first-of-type {
    margin-top: 0;
  }
  
  .field__label {
    display: block;
    margin-bottom: 7px;
    color: var(--color-text-primary);
    font-size: 13px;
    font-weight: 600;
  }
  
  .field__control {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .field__control input,
  .field__control select {
    width: 100%;
    min-width: 0;
    padding: 13px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-size: 16px;
  }
  
  .field__control input:focus,
  .field__control select:focus {
    border-color: var(--color-accent);
    outline: 3px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  }
  
  .field__unit {
    flex-shrink: 0;
    min-width: 44px;
    color: var(--color-text-secondary);
    font-size: 13px;
  }
  
  .field__help {
    display: block;
    margin-top: 6px;
    color: var(--color-text-muted);
    font-size: 11px;
    line-height: 1.65;
  }
  
  .field--invalid .field__control input,
  .field--invalid .field__control select {
    border-color: #c62828;
    background: #fff7f7;
  }
  
  .form-error {
    margin: 14px 0;
    padding: 12px 14px;
    border: 1px solid #ef9a9a;
    border-radius: var(--radius-control);
    background: #fff5f5;
    color: #9b1c1c;
    font-size: 13px;
    line-height: 1.7;
  }
  
  .detail-toggle {
    width: 100%;
    margin: 16px 0 0;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface);
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
  }
  
  .agreement {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    margin-top: 16px;
    color: var(--color-text-secondary);
    font-size: 12px;
    line-height: 1.65;
  }
  
  .agreement input {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 1px;
  }
  
  .primary-button,
  .secondary-button {
    width: 100%;
    border: 0;
    border-radius: var(--radius-control);
    padding: 15px 18px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
  }
  
  .primary-button {
    margin-top: 18px;
    background: var(--color-accent);
    color: #fff;
  }
  
  .primary-button:hover {
    filter: brightness(0.96);
  }
  
  .secondary-button {
    margin-top: 18px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-accent);
  }
  
  .result-card {
    text-align: center;
  }
  
  .result-eyebrow {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 12px;
    font-weight: 600;
  }
  
  .result-main {
    margin: 8px 0 0;
    color: var(--color-accent);
    font-family: var(--font-num);
    font-size: clamp(38px, 11vw, 56px);
    font-weight: 700;
    line-height: 1.1;
  }
  
  .result-main__unit {
    margin-left: 4px;
    font-size: 18px;
    font-weight: 600;
  }
  
  .result-rate {
    margin: 10px 0 0;
    color: var(--color-text-secondary);
    font-size: 14px;
  }
  
  .result-condition {
    margin: 8px 0 0;
    color: var(--color-text-muted);
    font-size: 12px;
  }
  
  .calculation-summary {
    margin-top: 16px;
    padding: 11px 13px;
    border-radius: var(--radius-control);
    background: var(--color-accent-bg);
    color: var(--color-accent-dark);
    font-size: 12px;
    line-height: 1.7;
  }
  
  .section-heading--result {
    margin-top: 24px;
    text-align: left;
  }
  
  .detail-list {
    margin: 14px 0 0;
    text-align: left;
  }
  
  .detail-list > div {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
  }
  
  .detail-list dt {
    color: var(--color-text-secondary);
    font-size: 12px;
  }
  
  .detail-list dd {
    margin: 0;
    color: var(--color-text-primary);
    font-family: var(--font-num);
    font-size: 13px;
    font-weight: 600;
    text-align: right;
  }
  
  .detail-list__total dt,
  .detail-list__total dd {
    color: var(--color-text-primary);
    font-weight: 700;
  }
  
  .notice-block {
    margin-top: 16px;
    padding: 12px 14px;
    border-radius: var(--radius-control);
    background: var(--color-surface-sunken);
    color: var(--color-text-secondary);
    font-size: 11px;
    line-height: 1.8;
    text-align: left;
  }
  
  .notice-block p {
    margin: 0;
  }
  
  .note-list {
    margin: 14px 0 0;
    padding-left: 20px;
    color: var(--color-text-secondary);
    font-size: 13px;
    line-height: 1.9;
  }
  
  .related-list {
    display: grid;
    gap: 9px;
    margin-top: 14px;
  }
  
  .related-list a {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 13px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-sunken);
    color: var(--color-text-primary);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
  }
  
  .related-list a span {
    color: var(--color-accent);
    font-size: 11px;
    font-weight: 500;
  }
  
  @media (min-width: 640px) {
    .mode-selector {
      grid-template-columns: repeat(3, 1fr);
    }
  
    .mode-panel[data-mode-panel="annual"] {
      grid-template-columns: 1fr 1fr;
    }
  
    .mode-panel[data-mode-panel="months"] {
      grid-template-columns: repeat(3, 1fr);
    }
  
    .related-list {
      grid-template-columns: repeat(3, 1fr);
    }
  }