:root{color:#20302b;font-synthesis:none;text-rendering:optimizelegibility;--ink:#20302b;--muted:#65736d;--surface:#fffefa;--line:#dfe4dc;--primary:#16795c;--primary-dark:#0f6049;--primary-soft:#e4f3eb;--accent:#f3ad3d;--danger:#b74242;--danger-soft:#fff0ee;--info-soft:#eef7f4;--shadow:0 18px 48px #2d433a14;--radius:20px;background:#f7f5ef;font-family:Inter,Hiragino Sans,Yu Gothic UI,Yu Gothic,Meiryo,sans-serif;line-height:1.6}*{box-sizing:border-box}body{background:radial-gradient(circle at 8% 0,#f3ad3d24,#0000 25rem),#f7f5ef;min-width:320px;min-height:100vh;margin:0}button,input,select,textarea{color:inherit;font:inherit}button,label,input[type=radio],input[type=checkbox]{cursor:pointer}button:disabled,input:disabled{cursor:not-allowed;opacity:.55}a{color:var(--primary-dark)}:focus-visible{outline-offset:3px;outline:3px solid #16795c52}.skip-link{z-index:100;color:#fff;background:var(--primary-dark);padding:8px 12px;position:fixed;top:8px;left:8px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.site-header{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fffefae0;border-bottom:1px solid #20302b14}.site-header__inner,.app-layout{width:min(1160px,100% - 32px);margin-inline:auto}.site-header__inner{justify-content:space-between;align-items:center;gap:20px;min-height:76px;display:flex}.brand{color:var(--ink);align-items:center;gap:11px;text-decoration:none;display:inline-flex}.brand__mark{color:#fff;background:var(--primary);border-radius:13px 13px 13px 5px;place-items:center;width:42px;height:42px;font-size:1.25rem;font-weight:800;display:grid;box-shadow:0 8px 18px #16795c38}.brand strong,.brand small{display:block}.brand strong{letter-spacing:.04em;font-size:1.08rem}.brand small{color:var(--muted);font-size:.72rem}.privacy-chip,.tag{color:var(--primary-dark);background:var(--primary-soft);border-radius:999px;align-items:center;padding:7px 12px;font-size:.78rem;font-weight:700;display:inline-flex}.app-layout{padding-block:56px 72px}.hero{max-width:720px;margin-bottom:28px}.eyebrow{color:var(--primary);letter-spacing:.14em;text-transform:uppercase;margin:0 0 5px;font-size:.82rem;font-weight:800}.hero h1{letter-spacing:-.045em;margin:0;font-size:clamp(2rem,6vw,3.5rem);line-height:1.2}.hero p:last-child{color:var(--muted);margin:14px 0 0;font-size:1.02rem}.notice{background:var(--info-soft);border:1px solid #cfe4dc;border-radius:14px;align-items:flex-start;gap:12px;margin:0 0 24px;padding:13px 16px;display:flex}.notice>span{color:#fff;background:var(--primary);border-radius:50%;flex:none;place-items:center;width:22px;height:22px;font-size:.75rem;font-weight:800;display:grid}.notice p{margin:0}.restore-notice>div{justify-items:start;gap:7px;display:grid}.live-region:empty{display:none}.notice--error,.validation-message{color:#8f2f2f;background:var(--danger-soft);border-color:#f1c8c2}.notice--error>span{background:var(--danger)}.workspace-grid{grid-template-columns:minmax(0,1.6fr) minmax(300px,.9fr);align-items:start;gap:24px;display:grid}.workspace-main,.workspace-side{gap:24px;display:grid}.utility-panel{justify-content:space-between;align-items:center;gap:20px;display:flex}.utility-panel h2,.utility-panel p{margin:0}.utility-panel p:last-child{color:var(--muted);margin-top:5px;font-size:.86rem}.utility-panel--share{color:#fff;background:var(--primary-dark);border:0}.utility-panel--share .eyebrow,.utility-panel--share p:last-child{color:#cce9dd}.utility-panel--share .button--primary{color:var(--primary-dark);background:#fff}.workspace-side{position:sticky;top:24px}.panel{border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);border:1px solid #20302b1a;padding:clamp(20px,4vw,30px);overflow:hidden}.panel--accent{border-top:5px solid var(--primary)}.section-heading,.section-heading>div{align-items:center;gap:10px;display:flex}.section-heading{justify-content:space-between;margin-bottom:22px}.section-heading h2,.dialog__heading h2{margin:0;font-size:1.2rem;line-height:1.35}.step{width:30px;height:30px;color:var(--primary-dark);background:var(--primary-soft);border-radius:10px;place-items:center;font-size:.8rem;font-weight:800;display:grid}.inline-form,.form-grid{align-items:end;gap:12px;display:flex}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;display:grid}.field{gap:6px;display:grid}.field--grow,.field--full{flex:1;grid-column:1/-1}.field label,.fieldset legend{color:#46534e;font-size:.82rem;font-weight:800}.field input,.field select,.field textarea,.copy-field{background:#fff;border:1px solid #cfd7d0;border-radius:11px;width:100%;min-height:46px;padding:9px 12px}.field input[aria-invalid=true],.field select[aria-invalid=true]{border-color:var(--danger);background:snow}.validation-message{border-radius:9px;margin:5px 0 0;padding:8px 10px;font-size:.82rem}.button{border:1px solid #0000;border-radius:11px;justify-content:center;align-items:center;gap:7px;min-height:42px;padding:8px 15px;font-weight:800;line-height:1.3;display:inline-flex}.button--primary{color:#fff;background:var(--primary);box-shadow:0 7px 16px #16795c2e}.button--primary:hover:not(:disabled){background:var(--primary-dark)}.button--secondary{color:var(--primary-dark);background:#fff;border-color:#b8c9c1}.button--ghost{color:var(--muted);background:0 0}.button--danger{color:var(--danger);background:#fff;border-color:#efc7c2}.button--small{min-height:34px;padding:5px 10px;font-size:.78rem}.empty-state{color:var(--muted);text-align:center;background:#fbfcf9;border:1px dashed #ccd5ce;border-radius:14px;margin:0;padding:28px 18px}.participant-fieldset{border:0;margin:22px 0 0;padding:0}.participant-fieldset>legend{font-size:.86rem;font-weight:800}.field-help{color:var(--muted);margin:2px 0 10px;font-size:.78rem}.participant-list{gap:8px;display:grid}.participant-row{border:1px solid var(--line);background:#fbfcf9;border-radius:12px;grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:8px;padding:9px;display:grid}.rounding-choice{min-height:38px;color:var(--muted);align-items:center;gap:6px;font-size:.72rem;font-weight:700;display:flex}.rounding-choice:has(input:checked){color:var(--primary-dark)}.participant-name-form{grid-template-columns:minmax(0,1fr) auto;gap:7px;display:grid}.participant-name-form input{border:1px solid #cfd7d0;border-radius:9px;width:100%;min-height:38px;padding:6px 9px}.participant-name-form .validation-message{grid-column:1/-1}.data-table-wrap{margin-inline:calc(-1*clamp(20px,4vw,30px));padding-inline:clamp(20px,4vw,30px);overflow-x:auto}.data-table{border-collapse:collapse;font-variant-numeric:tabular-nums;white-space:nowrap;width:100%}.data-table th,.data-table td{border-bottom:1px solid var(--line);text-align:left;padding:12px 10px}.data-table th{color:var(--muted);letter-spacing:.04em;font-size:.76rem}.data-table .money{text-align:right}.money{font-variant-numeric:tabular-nums;font-weight:750}.money--positive{color:var(--primary-dark)}.money--negative{color:var(--danger)}.result-table-wrap{margin-bottom:22px}.result-table th,.result-table td{padding-inline:7px}.adjustment{color:var(--primary-dark);font-size:.68rem;font-weight:600;display:block}.subheading{margin:22px 0 12px;font-size:.95rem}.transfer-list{gap:9px;margin:0;padding:0;list-style:none;display:grid}.transfer-list li{background:var(--primary-soft);border-radius:11px;justify-content:space-between;align-items:center;gap:10px;padding:11px 13px;font-size:.86rem;display:flex}.settled-message{color:var(--primary-dark);background:var(--primary-soft);border-radius:11px;align-items:center;gap:8px;margin:0;padding:12px;font-weight:750;display:flex}.settled-message span{color:#fff;background:var(--primary);border-radius:50%;place-items:center;width:22px;height:22px;display:grid}.actions,.dialog__actions{flex-wrap:wrap;gap:8px;display:flex}.dialog-layer{z-index:10;background:#18231f94;place-items:center;padding:24px;display:grid;position:fixed;inset:0;overflow-y:auto}.dialog{background:var(--surface);border:0;border-radius:20px;width:min(620px,100%);max-height:calc(100vh - 48px);padding:26px;overflow-y:auto;box-shadow:0 24px 80px #0e1a154d}.dialog--wide{width:min(840px,100%)}.dialog__heading{margin-bottom:20px}.dialog__heading p{color:var(--muted);margin:7px 0 0}.dialog__actions{justify-content:flex-end;margin-top:24px}.fieldset{border:1px solid var(--line);border-radius:12px;grid-column:1/-1;margin:0;padding:14px}.csv-help,.csv-errors,.csv-preview{border:1px solid var(--line);background:#fbfcf9;border-radius:13px;margin-top:18px;padding:15px}.csv-help summary{cursor:pointer;font-weight:800}.csv-help p,.csv-errors p,.csv-preview p{color:var(--muted);margin:8px 0;font-size:.86rem}.csv-help pre{background:#edf1eb;border-radius:10px;padding:12px;font-size:.76rem;overflow-x:auto}.csv-errors{color:#8f2f2f;background:var(--danger-soft);border-color:#f1c8c2}.csv-errors h3,.csv-preview h3{margin:0;font-size:1rem}.csv-errors ul{margin:10px 0 0;padding-left:1.4em}.privacy-warning{background:#fff8e5;border:1px solid #ecd094;border-radius:13px;margin-bottom:18px;padding:13px 15px}.privacy-warning p{color:#6a5831;margin:5px 0 0;font-size:.84rem}.copy-field{resize:vertical;font-size:.78rem;line-height:1.45}.copy-actions{justify-content:flex-end;margin-top:10px;display:flex}.copy-message,.loading-message{color:var(--primary-dark);margin:10px 0 0;font-size:.84rem;font-weight:700}.app-loading{min-height:100vh;color:var(--primary-dark);place-items:center;margin:0;display:grid}.preview-participants{flex-wrap:wrap;gap:6px;margin:12px 0 15px;display:flex}.choice-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:8px;display:grid}.choice{border:1px solid var(--line);background:#fff;border-radius:10px;align-items:center;gap:9px;padding:9px 10px;display:flex}.site-footer{color:var(--muted);text-align:center;border-top:1px solid #20302b14;padding:28px 16px;font-size:.82rem}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}@media (max-width:820px){.workspace-grid{grid-template-columns:1fr}.workspace-side{position:static}.workspace-side .panel{order:-1}}@media (max-width:560px){.privacy-chip,.brand small{display:none}.app-layout{padding-block:38px 54px}.inline-form,.section-heading,.utility-panel{flex-direction:column;align-items:stretch}.section-heading>div{align-items:center}.form-grid,.choice-grid{grid-template-columns:1fr}.participant-row{grid-template-columns:1fr auto}.rounding-choice{grid-column:1/-1}.button:not(.button--small){width:100%}.dialog-layer{align-items:end;padding:0}.dialog{border-radius:20px 20px 0 0;width:100%;max-height:92vh}}@media (prefers-reduced-motion:no-preference){.button{transition:background-color .16s,transform .16s}.button:active:not(:disabled){transform:translateY(1px)}}