.hero-guide { margin-top: 20px; font-size: 14px; }
.hero-guide a, .device-purchase-note a { color: #2353b7; text-decoration: underline; text-underline-offset: 3px; }
.hero-grid { min-height: 430px; }
.hero h1 { letter-spacing: -.06em; }
#calculator-title:focus { outline: none; }
#duration-help { margin: 8px 0 0; }
.usage-card { min-height: 48px; }
.light-days-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 18px; font-size: 14px; color: #273e60; }
.light-days-row input, .activity-fields input, .activity-fields select {
  min-height: 44px; padding: 8px; border: 1px solid #b6c5da; border-radius: 8px;
  font: inherit; background: #fff; color: #1f3657;
}
.light-days-row input { width: 74px; }
.activity-fields label { display: grid; gap: 5px; font-size: 13px; color: #273e60; }
.activity-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 12px 0; }
.activity-fields input, .activity-fields select { width: 100%; }
.detailed-usage, .plan-types, .other-plans { margin-top: 16px; border-top: 1px solid #cdd9ea; }
.detailed-usage summary, .plan-types summary, .other-plans summary {
  min-height: 44px; padding: 12px 4px; color: #2353a9; font-weight: 700; cursor: pointer;
}
.plan-types p { margin: 0 0 16px; color: #344a65; font-size: 14px; }
.estimate-formula { margin: 0 0 12px; color: #32496a; font-weight: 700; line-height: 1.5; }
.result-option, .usage-breakdown, .device-purchase-note {
  padding: 12px; border-radius: 9px; background: #f0f5ff; color: #243d63; font-size: 14px; line-height: 1.6;
}
.plan-facts { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 7px 9px; margin: 12px 0; font-size: 13px; color: #344a65; }
.plan-facts dt { font-weight: 700; }
.plan-facts dd { margin: 0; }
.plan-evidence { color: #475d77; font-size: 12px; margin: 0 0 12px; }
.product-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.product-card .product-button { margin-top: auto; }
:where(a, button, input, select, summary):focus-visible { outline: 3px solid #2353b7; outline-offset: 3px; }
.days-range { min-height: 28px; }
.days-range:focus-visible { outline: 3px solid #2353b7; outline-offset: 4px; }
.long-trip-toggle { min-height: 44px; }
.integrated-validity h2 a { overflow-wrap: anywhere; }
.guide-article table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14px; }
.guide-article th, .guide-article td { padding: 9px; border: 1px solid #cdd9ea; text-align: left; }
.guide-article thead { background: #f0f5ff; }
.guide-article .button-primary { color: #fff; text-decoration: none; }
@media (max-width: 760px) {
  .hero-grid { min-height: auto; }
  .hero-copy { padding: 32px 0; }
  .hero-art { display: none; }
  .mobile-sticky a { min-height: 44px; }
  .guide-article .button { margin-bottom: 12px; }
}
@media (max-width: 420px) {
  .usage-card small { white-space: normal; }
  .activity-fields { grid-template-columns: 1fr; }
}
.featured-plans { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.plan-seller { display: block; margin-bottom: 5px; color: #435b79; font-size: 13px; }
.featured-plan-details { margin: 0 0 12px; color: #2353a9; font-size: 13px; }
.featured-plan-details summary { padding: 7px 0; cursor: pointer; }
@media (max-width: 760px) {
  .featured-plans { gap: 8px; }
  .featured-plans .product-card { padding: 12px 10px; min-width: 0; }
  .featured-plans h3 { font-size: clamp(15px, 4.2vw, 19px); line-height: 1.35; overflow-wrap: anywhere; }
  .featured-plans .plan-match { font-size: 11px; line-height: 1.4; padding: 5px 7px; white-space: normal; }
  .featured-plans .plan-facts { display: block; font-size: 12px; margin: 7px 0; }
  .featured-plans .plan-facts dd { margin: 0 0 6px; overflow-wrap: anywhere; }
  .featured-plans .product-button { min-height: 44px; padding: 8px 3px; font-size: 11px; }
  .featured-plan-details summary { min-height: 36px; }
}