:root{--bg:#fffaf6;--surface:#fff;--text:#1f1a17;--text-sub:#574d46;--border:#d9cfc7;--primary:#8e2445;--primary-hover:#74193a;--primary-soft:#f8e7ec;--success:#1d6b3a;--success-soft:#e5f4ea;--warning:#7a4a00;--warning-soft:#fff3d6;--danger:#a8231c;--danger-soft:#fde8e6;--info:#1f4f86;--info-soft:#e6effa;--radius:14px;--gap:16px;--tap:3rem;--tap-primary:3.5rem;font-size:112.5%}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,sans-serif;font-size:1rem;line-height:1.7}body{padding-bottom:env(safe-area-inset-bottom)}a{color:var(--primary)}h1,h2,h3{margin:0 0 .5em;line-height:1.4}h1{font-size:1.35rem}h2{font-size:1.25rem}h3{font-size:1.125rem}p{margin:0 0 .75em}img,video{max-width:100%}:focus-visible{outline:3px solid var(--info);outline-offset:2px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.page{max-width:480px;margin:0 auto;padding:0 16px 48px}.page.wide{max-width:960px}.page-header{padding:16px 0 8px}.page-header .event-name{color:var(--text-sub);margin:0;font-size:1rem}.page-header h1{margin:.15em 0 0}.page-header .back{min-height:var(--tap);color:var(--primary);cursor:pointer;background:0 0;border:none;align-items:center;padding:0;font-size:1rem;text-decoration:none;display:inline-flex}.stack{gap:var(--gap);flex-direction:column;display:flex}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.muted{color:var(--text-sub)}.small{font-size:1rem;line-height:1.5}.big-number{font-size:2rem;font-weight:700;line-height:1.2}.center{text-align:center}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.card>h2,.card>h3{margin-top:0}.btn{min-height:var(--tap);min-width:var(--tap);font:inherit;cursor:pointer;text-align:center;-webkit-tap-highlight-color:transparent;border:2px solid #0000;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:.5rem 1.1rem;font-size:1rem;font-weight:700;line-height:1.3;text-decoration:none;display:inline-flex}.btn[disabled],.btn[aria-disabled=true]{opacity:.5;cursor:not-allowed}.btn-block{width:100%;display:flex}.btn-lg{min-height:var(--tap-primary);font-size:1.1rem}.btn-primary{background:var(--primary);color:#fff}.btn-primary:not([disabled]):hover{background:var(--primary-hover)}.btn-secondary{background:var(--surface);color:var(--primary);border-color:var(--primary)}.btn-danger{background:var(--surface);color:var(--danger);border-color:var(--danger)}.btn-ghost{color:var(--primary);background:0 0;border-color:#0000;text-decoration:underline}.btn .spinner{border-width:3px;width:1.1em;height:1.1em}.spinner{border:4px solid var(--primary-soft);border-top-color:var(--primary);border-radius:50%;width:2rem;height:2rem;animation:.9s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.spinner{animation-duration:3s}}.field{flex-direction:column;gap:6px;display:flex}.field-label{font-weight:700}.field-required{color:var(--danger);margin-left:6px;font-size:1rem}.field-hint{color:var(--text-sub);font-size:1rem;line-height:1.5}.field-error{color:var(--danger);font-size:1rem;font-weight:700}.input,.select,.textarea{width:100%;min-height:var(--tap);font:inherit;color:var(--text);border:2px solid var(--border);background:#fff;border-radius:10px;padding:.55rem .75rem;font-size:1rem}.textarea{resize:vertical;min-height:6rem}.input[aria-invalid=true],.select[aria-invalid=true],.textarea[aria-invalid=true]{border-color:var(--danger)}.checkbox{min-height:var(--tap);cursor:pointer;align-items:flex-start;gap:12px;display:flex}.checkbox input{width:1.6rem;height:1.6rem;accent-color:var(--primary);flex:none;margin-top:.2rem}.toggle-group{grid-template-columns:repeat(var(--cols,3), 1fr);gap:8px;display:grid}.toggle-group button{min-height:var(--tap-primary);font:inherit;border:2px solid var(--border);color:var(--text);cursor:pointer;background:#fff;border-radius:12px;font-weight:700}.toggle-group button[aria-pressed=true]{border-color:var(--primary);background:var(--primary);color:#fff}.toggle-group button[aria-pressed=true]:before{content:"✓ "}.toggle-group button:disabled{opacity:.55;cursor:not-allowed}.notice{border:2px solid #0000;border-radius:12px;padding:12px 14px}.notice-info{background:var(--info-soft);border-color:#b9cde6}.notice-warning{background:var(--warning-soft);color:var(--warning);border-color:#f0d18a}.notice-error{background:var(--danger-soft);color:var(--danger);border-color:#f2b8b3}.notice-success{background:var(--success-soft);color:var(--success);border-color:#b3dcc1}.notice>:last-child{margin-bottom:0}.badge{border:1px solid;border-radius:999px;padding:.1rem .6rem;font-size:1rem;font-weight:700;line-height:1.4;display:inline-block}.badge-success{color:var(--success);background:var(--success-soft)}.badge-warning{color:var(--warning);background:var(--warning-soft)}.badge-danger{color:var(--danger);background:var(--danger-soft)}.badge-info{color:var(--info);background:var(--info-soft)}.badge-muted{color:var(--text-sub);background:#f2eeea}.dialog-backdrop{z-index:100;background:#140e0a8c;justify-content:center;align-items:flex-end;padding:16px;display:flex;position:fixed;inset:0}@media (min-width:600px){.dialog-backdrop{align-items:center}}.dialog{background:var(--surface);border-radius:18px;width:100%;max-width:440px;max-height:90vh;padding:20px;overflow:auto}.dialog h2{margin-top:0}.dialog-actions{flex-direction:column;gap:10px;margin-top:16px;display:flex}.toast{left:50%;bottom:calc(24px + env(safe-area-inset-bottom));color:#fff;z-index:200;background:#2b2522;border-radius:999px;max-width:calc(100% - 32px);padding:12px 20px;font-weight:700;position:fixed;transform:translate(-50%)}.list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.kv{grid-template-columns:max-content 1fr;gap:4px 12px;margin:0;display:grid}.kv dt{color:var(--text-sub)}.kv dd{word-break:break-all;margin:0;font-weight:700}.fullscreen{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:70vh;padding:24px;display:flex}.dev-switcher{z-index:300;color:#fff;background:#1e1e1ed9;border-radius:8px;padding:6px 8px;font-size:12px;line-height:1.4;position:fixed;bottom:8px;right:8px}.dev-switcher-closed{cursor:pointer;opacity:.6;border:none;top:4px;bottom:auto;right:4px}.dev-switcher select{max-width:180px;font-size:12px}.strong{font-weight:700}.block{display:block}.right{text-align:right}.lead{font-size:1.1rem;font-weight:700}.pre-wrap{white-space:pre-wrap;word-break:break-word}.bullets{margin:0;padding-left:1.25em}.bullets li+li{margin-top:.35em}.row-between{min-height:var(--tap);border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.list>.row-between:last-child{border-bottom:none}.help-note{color:var(--text-sub);border-top:1px solid var(--border);margin-top:8px;padding-top:12px;font-size:1rem}.pair{gap:var(--gap);grid-template-columns:1fr;display:grid}@media (min-width:768px){.pair{grid-template-columns:repeat(2,minmax(0,1fr))}}.privacy-summary h2{font-size:1.125rem}.rsvp-grid{gap:var(--gap);grid-template-columns:1fr;display:grid}@media (min-width:768px){.rsvp-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}}.narrow{width:100%;max-width:480px;margin-left:auto;margin-right:auto}.qr-box{border:1px solid var(--border);box-sizing:content-box;background:#fff;border-radius:12px;justify-content:center;align-items:center;margin:0 auto;padding:8px;display:flex}.qr-box img{image-rendering:pixelated;display:block}.faq{flex-direction:column;gap:16px;margin:0;display:flex}.faq dt{font-weight:700}.faq dt:before{content:"Q. "}.faq dd{margin:4px 0 0}.faq dd:before{content:"A. ";font-weight:700}.attendees{border-top:1px solid var(--border);padding-top:12px}.attendees h3{margin:0;font-size:1.125rem}.attendee-list{grid-template-columns:1fr;margin:0;padding:0;list-style:none;display:grid}.attendee-list li{min-height:var(--tap);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:8px;display:flex}.attendee-list li:last-child{border-bottom:none}.badge-side-groom{color:var(--info);background:var(--info-soft)}.badge-side-bride{color:var(--primary);background:var(--primary-soft)}