[hidden] { display: none !important; }
.commerce-main { padding-top: 128px; padding-bottom: 100px; }
.commerce-hero { max-width: 760px; margin-bottom: 48px; }
.commerce-hero h1 { margin-top: 0; font-size: clamp(38px, 6vw, 68px); line-height: 1.08; }
.accent, .text-link { color: var(--blue-hi); }
.commerce-lead { margin-top: 22px; color: var(--muted); font-size: 19px; line-height: 1.55; }
.nav-text { color: var(--muted); font-size: 14px; }
.order-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .8fr); align-items: start; gap: 24px; }
.order-content { min-width: 0; display: grid; gap: 24px; }
.commerce-panel { min-width: 0; padding: 30px; border: 1px solid var(--line-2); border-radius: 28px; background: var(--card); }
.commerce-panel h2 { margin-bottom: 22px; font-size: 26px; letter-spacing: -.025em; }
.commerce-panel > p { color: var(--muted); }
.commerce-panel .btn { margin-top: 22px; }
.order-summary { position: sticky; top: 84px; }
.order-summary h2 { margin-bottom: 0; }
.order-summary .price { flex-wrap: wrap; }
.order-period { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; min-inline-size: 0; margin: 0 0 24px; padding: 0; border: 0; }
.order-period legend { margin-bottom: 12px; color: var(--muted); font-size: 14px; }
.order-period label { position: relative; min-width: 0; cursor: pointer; }
.order-period input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.order-period label > span { display: grid; gap: 5px; padding: 16px; border: 1px solid var(--line-2); border-radius: 16px; color: var(--muted); }
.order-period input:checked + span { background: rgba(10, 132, 255, .12); border-color: var(--blue); color: var(--text); }
.order-period input:focus-visible + span { outline: 2px solid var(--blue-hi); outline-offset: 3px; }
.field-label { display: block; margin: 24px 0 9px; color: var(--muted); font-size: 14px; font-weight: 600; }
.commerce-main select, .commerce-main input.secret-field { width: 100%; min-width: 0; min-height: 48px; padding: 11px 13px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--card-2); color: var(--text); font: inherit; font-size: 15px; }
.commerce-main select { -webkit-appearance: none; appearance: none; padding-right: 40px; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 19px) 50%, calc(100% - 14px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.purchase-steps { display: grid; gap: 15px; padding-left: 21px; margin: 26px 0; color: var(--muted); font-size: 15px; }
.purchase-steps li { padding-left: 5px; }
.purchase-steps li::marker { color: var(--blue-hi); font-weight: 700; }
.help-text { margin-top: 14px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.text-link { display: inline-block; margin-top: 16px; font-size: 15px; text-underline-offset: 4px; }
.text-link:hover { text-decoration: underline; }
.summary-features { display: grid; gap: 12px; margin-top: 25px; padding-left: 18px; list-style: disc; color: var(--muted); font-size: 14px; }
.summary-features li::marker { color: var(--blue); }
.summary-other { margin-top: 25px; padding-top: 24px; border-top: 1px solid var(--line-2); font-size: 14px; }
.summary-other > p { margin-top: 8px; color: var(--muted); }
.notice { padding: 20px 24px; border: 1px solid var(--line-2); border-radius: 16px; background: var(--card-2); color: var(--muted); font-size: 15px; }
#plus-only { margin-bottom: 24px; }
.notice-error { border-color: rgba(255, 69, 58, .4); color: #ffb4ad; }
.status-panel { border-color: rgba(10, 132, 255, .4); }
.status-panel .secret-field { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.text-button { margin-top: 22px; padding: 8px 0; border: 0; background: none; color: var(--muted); font-size: 13px; text-decoration: underline; cursor: pointer; }
button:disabled { cursor: wait; opacity: .55; }
.guide-nav { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0; }
.guide-nav a { padding: 12px 18px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 15px; }
.guide-nav a:hover { border-color: var(--blue); color: var(--blue-hi); }
.install-intro { max-width: 850px; }
.install-intro h2, .guide h2 { margin-bottom: 18px; font-size: 30px; letter-spacing: -.025em; }
.install-intro ul { display: grid; gap: 12px; padding-left: 20px; list-style: disc; color: var(--muted); font-size: 15px; }
.guide { margin-top: 32px; scroll-margin-top: 90px; }
.guide .guide-sub { margin-top: -10px; font-size: 15px; }
.guide ol { display: grid; gap: 18px; padding-left: 24px; color: var(--muted); font-size: 16px; }
.guide li { padding-left: 7px; }
.guide li::marker { color: var(--blue-hi); font-weight: 700; }
.guide-sources { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 20px; }
.install-footer-note { max-width: 850px; margin: 32px 0; }
@media (max-width: 800px) {
  .order-grid { grid-template-columns: 1fr; }
  .order-summary { position: static; }
  .commerce-main { padding-top: 108px; }
}
@media (max-width: 460px) {
  .nav-inner { gap: 10px; }
  .brand { gap: 7px; font-size: 15px; }
  .brand img { width: 24px; height: 24px; }
  .nav-end { gap: 8px; }
  .nav .btn-sm { padding-inline: 12px; font-size: 13px; white-space: nowrap; }
  .commerce-panel { padding: 23px 20px; border-radius: 22px; }
  .commerce-lead { font-size: 17px; }
  .order-period label > span { padding: 12px; font-size: 15px; }
  .commerce-main .btn { padding-inline: 15px; font-size: 15px; }
  .order-summary .price b { font-size: 40px; }
  .guide ol { padding-left: 20px; font-size: 15px; }
}