.invite-guide > summary { cursor: pointer; font-weight: 600; color: #edf3ff; }
.invite-guide > summary small { display: inline-block; margin-left: 16px; color: #91a8cc; font-weight: 400; font-size: 12px; }
.invite-guide-content { padding-top: 18px; }
.invite-guide-intro, .invite-guide-footnote { color: #9eb3d5; font-size: 13px; line-height: 1.8; }
.invite-guide-steps { list-style: none; margin: 18px 0; padding: 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.invite-guide-steps > li { min-width: 0; padding: 18px; border: 1px solid #223454; border-radius: 16px; background: #0a1325; }
.invite-guide-steps h3 { display: flex; align-items: center; gap: 10px; font-size: 16px; margin: 0 0 12px; }
.invite-guide-steps h3 > span { color: #8bd5ff; font-size: 13px; border: 1px solid #335f82; border-radius: 8px; padding: 5px 7px; }
.invite-guide-steps p { color: #b3c4df; font-size: 13px; line-height: 1.9; margin: 0 0 14px; }
.invite-guide-steps small { display: block; color: #91a8cc; font-size: 12px; line-height: 1.7; margin-top: 12px; }
.invite-guide-picture { display: block; width: 100%; padding: 0; background: transparent; border: 0; cursor: zoom-in; color: #a8c5e9; text-align: left; }
.invite-guide-picture img { display: block; width: 100%; height: auto; border-radius: 10px; }
.invite-guide-picture > span { display: block; padding: 8px 0; font-size: 11px; line-height: 1.6; }
.invite-guide-pair { display: grid; grid-template-columns: 1fr 1.25fr; gap: 10px; align-items: start; }
.invite-guide-order { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 24px 12px; border: 1px solid #6b5138; border-radius: 12px; color: #ffd397; background: #241c1a; font-size: 13px; }
.invite-guide-last { grid-column: 1 / -1; }
.invite-guide-last .invite-guide-picture { max-width: 760px; margin: 0 auto; }
.invite-guide-lightbox { padding: 18px; width: min(1200px,94vw); max-width: 94vw; max-height: 92vh; box-sizing: border-box; border: 1px solid #334b70; border-radius: 18px; background: #0b1426; color: #eff4ff; }
.invite-guide-lightbox::backdrop { background: #020611d9; }
.invite-guide-lightbox header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.invite-guide-lightbox header button { border: 0; background: #20304b; color: white; border-radius: 8px; width: 40px; height: 40px; flex-shrink: 0; font-size: 26px; cursor: pointer; }
.invite-guide-lightbox > div { max-height: 72vh; overflow: auto; }
.invite-guide-lightbox img { display: block; width: 100%; height: auto; }
.invite-guide-lightbox > a { display: inline-block; margin-top: 12px; color: #8bd5ff; }
.invite-guide summary:focus-visible, .invite-guide-picture:focus-visible, .invite-guide-lightbox button:focus-visible { outline: 2px solid #8bd5ff; outline-offset: 4px; }
@media (max-width: 700px) {
  .invite-guide-steps { grid-template-columns: 1fr; }
  .invite-guide-steps > li { padding: 14px; }
  .invite-guide > summary small { display: block; margin: 8px 0 0; }
  .invite-guide-lightbox { padding: 12px; }
}