[hidden] { display:none !important; }
#checkout-form { margin-top:22px; }
.checkout-quantity-label { display:flex; align-items:center; justify-content:space-between; gap:16px; font-size:14px; text-align:start; }
#checkout-quantity { min-width:80px; padding:8px; border:1px solid var(--line); border-radius:6px; background:var(--paper); color:var(--ink); }
#checkout-submit { width:100%; margin-top:20px; white-space:normal; }
#checkout-status { min-height:1.5em; margin-top:12px; font-size:12px; line-height:1.6; color:var(--muted); }
.checkout-test-notice { color:var(--blue); font-size:12px; }
.checkout-return { min-height:calc(100vh - 180px); padding-top:90px; padding-bottom:80px; max-width:700px; display:flex; flex-direction:column; align-items:center; gap:24px; text-align:center; }
.checkout-return h1 { font-size:clamp(30px,5vw,44px); line-height:1.25; letter-spacing:-1px; overflow-wrap:anywhere; }
.checkout-return p { font-size:16px; line-height:1.8; color:var(--muted); max-width:540px; }
.checkout-return .checkout-return-note { font-size:13px; }
.checkout-return .button { white-space:normal; }
@media(max-width:620px) { .checkout-return { padding-top:60px; padding-bottom:60px; } }