:root{--bg:#f1f5f9;--card:#ffffff;--input:#ffffff;--fg:#0f172a;--muted:#64748b;--border:#e2e8f0;--accent:#2563eb;--accent-soft:#e0eefe}@media (prefers-color-scheme:dark){:root{--bg:#0b1220;--card:#111a2e;--input:#0f1a2e;--fg:#e2e8f0;--muted:#94a3b8;--border:#1e293b;--accent:#60a5fa;--accent-soft:#17263f}}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;font-feature-settings:"cv02","cv03","cv04","cv11","palt";letter-spacing:-.003em;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.wrap{max-width:640px;margin:0 auto;padding:32px 20px 64px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:28px 24px;box-shadow:0 1px 2px rgba(0,0,0,.04)}.brand{font-size:13px;letter-spacing:.04em;color:var(--muted);margin-bottom:20px}h1{font-size:20px;margin:0 0 4px}.event{display:inline-block;font-size:12px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:2px 10px;margin-bottom:16px}dl.meta{margin:20px 0 0;display:grid;grid-template-columns:max-content 1fr;grid-gap:10px 20px;gap:10px 20px}dl.meta dt{color:var(--muted);font-size:14px}dl.meta dd{margin:0;font-weight:600}.seats{font-size:22px;color:var(--accent)}.note{margin-top:24px;padding-top:16px;border-top:1px solid var(--border);font-size:13px;color:var(--muted)}.error h1{color:#c0392b}@media (prefers-color-scheme:dark){.error h1{color:#ff7a6b}}.prev-sub{border:1px solid var(--border);border-radius:10px;background:var(--bg);padding:12px 14px;margin:18px 0 4px}.prev-sub-head{font-size:14px;font-weight:600;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.prev-sub-meta{font-size:12px;font-weight:400;color:var(--muted)}.prev-sub-list{list-style:none;margin:10px 0 0;padding:0}.prev-sub-list li{padding:6px 0;border-top:1px solid var(--border);font-size:13px}.prev-sub-list li:first-child{border-top:none}.ps-name{font-weight:600}.ps-sub{color:var(--muted);margin-left:8px}.ps-email{display:block;margin-top:1px;word-break:break-all}.prev-sub-note,.ps-email{color:var(--muted);font-size:12px}.prev-sub-note{margin:10px 0 0;line-height:1.5}.form{margin-top:4px}.draft-banner{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--accent);background:var(--accent-soft);border:1px solid var(--border);border-radius:8px;padding:8px 12px;margin:4px 0 14px}.draft-banner button{margin-left:auto;font:inherit;font-size:12px;color:var(--muted);background:transparent;border:1px solid var(--border);border-radius:6px;padding:3px 8px;cursor:pointer}.draft-banner button:hover{color:var(--fg);border-color:var(--accent)}.grp-note{font-size:12px;color:var(--muted);background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px 12px;margin:18px 0 16px;line-height:1.55}.prow-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.prow-no{font-size:12px;font-weight:600;color:var(--muted)}.fld{display:block;margin-bottom:8px}.fld>span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}.fld em{color:var(--accent);font-style:normal}.grid2 .fld{margin-bottom:0}.divider{border-top:1px solid var(--border);margin:20px 0 14px}.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:10px}.section-title{font-size:15px;font-weight:600}.section-title .opt{font-size:12px;color:var(--muted);font-weight:400}.count{font-size:13px;color:var(--muted)}.prow{border:1px solid var(--border);border-radius:10px;padding:12px 12px 14px;margin-bottom:10px}.prow .rm{border:none;background:transparent;color:var(--muted);font-size:18px;line-height:1;cursor:pointer;padding:2px 6px}.prow .rm:hover{color:var(--fg)}.grid2{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.submitter{margin-top:8px}input{width:100%;font:inherit;font-size:15px;color:var(--fg);background:var(--input);border:1px solid var(--border);border-radius:8px;padding:9px 11px;outline:none}input::placeholder{color:var(--muted)}input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}input.wide{margin-top:8px}button.btn-add{width:100%;font:inherit;font-size:14px;color:var(--accent);background:transparent;border:1px dashed var(--border);border-radius:8px;padding:9px;cursor:pointer;margin-top:2px}button.btn-add:hover{border-color:var(--accent);background:var(--accent-soft)}button.btn-submit{width:100%;font:inherit;font-size:15px;font-weight:600;color:#fff;background:var(--accent);border:none;border-radius:8px;padding:12px;cursor:pointer;margin-top:18px}button.btn-submit:hover{filter:brightness(1.05)}button.btn-submit:disabled{opacity:.6;cursor:default}.warn{font-size:12px;color:#b26a00;margin-top:8px}@media (prefers-color-scheme:dark){.warn{color:#e0a44a}}.error-msg{font-size:13px;color:#c0392b;margin:12px 0 0}@media (prefers-color-scheme:dark){.error-msg{color:#ff7a6b}}.hint{font-size:12px;color:var(--muted);text-align:center;margin:10px 0 0}.confirm-head{font-size:18px;font-weight:600;margin:4px 0 6px}.confirm-note{font-size:13px;color:var(--muted);margin:0 0 16px}.confirm-list{display:flex;flex-direction:column;gap:8px}.confirm-row{display:flex;gap:10px;border:1px solid var(--border);border-radius:10px;padding:10px 12px}.confirm-row .cr-no{flex:0 0 auto;font-size:12px;font-weight:600;color:var(--muted);padding-top:2px}.confirm-row .cr-body{min-width:0}.cr-name{font-size:15px;font-weight:600}.cr-name .cr-sub{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:2px}.cr-email{margin-top:3px;word-break:break-all}.confirm-submitter,.cr-email{font-size:13px;color:var(--muted)}.confirm-submitter{margin:14px 0 0}.confirm-actions{display:flex;gap:10px;margin-top:20px}button.btn-back{flex:0 0 auto;font:inherit;font-size:15px;color:var(--fg);background:transparent;border:1px solid var(--border);border-radius:8px;padding:12px 18px;cursor:pointer}button.btn-back:hover{border-color:var(--accent)}button.btn-back:disabled{opacity:.6;cursor:default}.confirm-actions .btn-submit{flex:1 1;margin-top:0}.success{text-align:center;padding:8px 0}.success-mark{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:8px auto 16px;font-size:26px;color:#1a7f52;background:#e4f5ec}@media (prefers-color-scheme:dark){.success-mark{color:#6ee7a8;background:#14301f}}.success h2{font-size:19px;margin:0 0 6px}.success p{font-size:14px;color:var(--muted);margin:0}.sent-list{text-align:left;border:1px solid var(--border);border-radius:10px;background:var(--bg);padding:12px 14px;margin:18px 0 0}.sent-list .sent-title{font-size:13px;font-weight:600;color:var(--fg);margin-bottom:8px}.sent-list ul{list-style:none;margin:0;padding:0}.sent-list li{padding:6px 0;border-top:1px solid var(--border);font-size:13px}.sent-list li:first-child{border-top:none}.sent-list .sl-name{font-weight:600}.sent-list .sl-sub{color:var(--muted);margin-left:8px}.sent-list .sl-email{display:block;color:var(--muted);font-size:12px;margin-top:1px;word-break:break-all}.next-steps{text-align:left;border:1px solid var(--border);border-radius:10px;background:var(--bg);padding:14px 16px;margin:20px 0 0}.next-steps .ns-title{font-size:13px;font-weight:600;color:var(--accent);margin-bottom:10px}.next-steps .ns-step{margin-top:12px}.next-steps .ns-step:first-of-type{margin-top:0}.next-steps .ns-head{font-size:14px;font-weight:600;color:var(--fg)}.next-steps .ns-body{line-height:1.6;margin-top:3px}.next-steps .ns-body,.ns-foot{font-size:13px;color:var(--muted)}.ns-foot{margin-top:16px!important}