:root{
  --paper:#f7f6f2;--card:#fffefb;--field:#fcfbf7;--ink:#1c1b18;--muted:#6b675d;
  --line:#d8d4c8;--line2:#e8e4da;--accent:#1f6b4a;--accent-ink:#fff;
  --ok:#3d8b6e;--warn:#9a3412;--warn-bg:#fdf0e8;--soft-green:#eaf0e9;
  --negative:#a44434;--chart-positive:#b2c7b4;--chart-negative:#ddbbb0;
  --inverse-muted:#c8c7bb;--overlay:rgba(28,27,24,.4);--focus:rgba(31,107,74,.18);
  --header-bg:#1c1b18;--header-ink:#f7f6f2;
}
html[data-theme=dark]{
  color-scheme:dark;
  --paper:#151a17;--card:#1e2620;--field:#17201b;--ink:#f0f2e9;--muted:#b1b9ae;
  --line:#69786a;--line2:#3c493e;--accent:#a2d9ad;--accent-ink:#102417;
  --ok:#97cba4;--warn:#ffbda0;--warn-bg:#38281f;--soft-green:#263c2c;
  --negative:#ffada0;--chart-positive:#668c6e;--chart-negative:#a16e63;
  --inverse-muted:#c0c9bc;--overlay:rgba(0,0,0,.7);--focus:rgba(162,217,173,.2);
  --header-bg:#101612;--header-ink:#f0f2e9;
}
[hidden]{display:none!important}
*{box-sizing:border-box}html{color-scheme:light}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 -apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;padding-bottom:calc(92px + env(safe-area-inset-bottom))}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit;color:inherit}button,a.button{cursor:pointer}button,.button{display:inline-flex;justify-content:center;align-items:center;gap:6px;min-height:42px;padding:8px 15px;border:1px solid var(--line);border-radius:4px;background:var(--card);font-size:14px;text-decoration:none;line-height:1.5}button:hover,.button:hover{border-color:var(--accent);text-decoration:none}button:disabled{cursor:wait;opacity:.6}.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}.danger{background:var(--warn);color:var(--accent-ink);border-color:var(--warn)}.danger-text{color:var(--warn)}.small{min-height:34px;padding:6px 10px;font-size:12px}.quiet-link{background:none;border:0;padding:5px;min-height:32px;color:var(--accent);font-size:13px}.icon-button{border:0;min-height:36px;padding:0 10px;font-size:23px;background:none}
input:not([type=checkbox]):not([type=radio]),select,textarea{width:100%;border:1px solid var(--line);background:var(--field);border-radius:4px;padding:10px 12px;min-height:44px;font-size:16px;max-width:100%}input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}input[type=checkbox],input[type=radio]{accent-color:var(--accent);width:18px;height:18px;flex-shrink:0}label{display:grid;gap:5px;font-size:13px;color:var(--muted)}fieldset{border:0;min-width:0;margin:0;padding:0}legend,.field-label{font-size:13px;font-weight:600;margin-bottom:8px}fieldset:disabled{opacity:.85}p{margin:0 0 12px}p:last-child{margin-bottom:0}h1,h2,h3{line-height:1.4;margin:0 0 12px}h1{font-size:25px;font-weight:650;letter-spacing:.02em}h1 small{display:block;margin-top:4px;font-size:14px;font-weight:400;color:var(--muted)}h2{font-size:16px;font-weight:600}h3{font-size:16px}.muted{color:var(--muted)}.small-text{font-size:12px}.mono,.balance-value,.rank-value,.stat-grid strong,.data-table td,.mini-table td{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}.positive{color:var(--accent)}.negative{color:var(--negative)}.eyebrow{font-size:10px;letter-spacing:.15em;font-weight:650;color:var(--muted);margin-bottom:6px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.topbar{min-height:76px;padding:8px 24px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;background:var(--header-bg);color:var(--header-ink)}.theme-control{display:flex;align-items:center;gap:8px;margin-left:auto;color:var(--inverse-muted);white-space:nowrap}.theme-control select{width:auto;min-height:36px;padding:6px 8px;font-size:13px;color:var(--ink)}.brand{display:flex;align-items:center;gap:10px;color:var(--header-ink);font-size:18px;line-height:1.3;letter-spacing:.06em}.brand:hover{text-decoration:none}.brand-mark{border:1px solid var(--inverse-muted);padding:3px 7px;font-size:21px;line-height:1.4}.brand small{display:block;font-size:8px;letter-spacing:.14em;color:var(--inverse-muted);margin-top:5px}.group-title{margin-left:auto;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:200px}.role{font-size:10px;white-space:nowrap;border:1px solid var(--muted);padding:2px 7px;color:var(--inverse-muted)}.shell{width:min(960px,calc(100% - 48px));margin:32px auto}.editor-shell{max-width:720px}.page-heading,.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.page-heading{margin-bottom:20px}.page-heading h1,.section-heading h2{margin:0}.page-heading select{max-width:180px;font-size:14px}.section-heading{margin-bottom:14px}.card{background:var(--card);border:1px solid var(--line2);border-radius:5px;padding:20px;margin-bottom:18px}.form-stack{display:grid;gap:18px}.form-stack fieldset>section,.form-stack fieldset>details{margin-bottom:18px}.inline-fields{display:flex;align-items:end;gap:12px;flex-wrap:wrap}.inline-fields>label{flex:1;min-width:110px}.inline-fields>button{flex-shrink:0}.action-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:12px 0}.notice,.alert{padding:12px 16px;border:1px solid var(--line);border-radius:4px;margin-bottom:16px;font-size:14px}.notice{background:var(--soft-green);color:var(--accent)}.alert{background:var(--warn-bg);color:var(--warn)}.alert p{margin:0}.tips{background:var(--card);border:1px solid var(--line2);border-radius:4px;padding:12px 14px;margin-bottom:18px;font-size:13px}.tips summary,details.card>summary{cursor:pointer;font-weight:600}.tips[open] summary,details.card[open]>summary{margin-bottom:14px}.tips ol{padding-left:22px;margin:8px 0}.checkbox-line{display:flex;align-items:center;gap:7px;white-space:nowrap}.choice-row,.member-choices{display:flex;gap:8px;flex-wrap:wrap}.choice{display:flex;align-items:center;gap:7px;padding:10px 12px;border:1px solid var(--line);border-radius:4px;background:var(--field);font-size:14px;color:var(--ink)}.choice:has(input:checked){background:var(--soft-green);border-color:var(--accent)}.participant-order{list-style:none;margin:0;padding:0}.participant-order li{display:flex;align-items:center;gap:8px;margin-bottom:6px}.participant-order li span{margin-right:auto}.participant-order button{padding:3px 9px;min-height:32px}.member-edit{display:flex;align-items:center;gap:8px;padding:12px 0;border-bottom:1px solid var(--line2)}.member-edit>input:not([type=hidden]){min-width:0;flex:1}.member-edit .checkbox-line{font-size:11px}.member-edit button{font-size:11px;padding:5px 7px}.add-member{margin-top:18px}.rank-fields{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.rank-fields input{padding:8px 6px!important;text-align:right}.event-definition{border-bottom:1px solid var(--line2);padding:16px 0;margin-bottom:14px}.event-definition legend{color:var(--accent)}.event-definition .inline-fields{margin-bottom:10px}.logout-form{text-align:center;margin:24px 0}.login-intro{margin:44px 0 30px}.login-intro h1{font-size:38px;line-height:1.5;letter-spacing:.05em}.login-card{max-width:440px}.login-card .primary{width:100%}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(5,1fr);padding:8px max(8px,calc((100vw - 700px)/2)) calc(8px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line);z-index:20}.nav-item{display:flex;flex-direction:column;align-items:center;gap:1px;color:var(--muted);font-size:10px;min-width:0;white-space:nowrap}.nav-item>span{font-size:23px;line-height:1.4}.nav-item.active{color:var(--accent);font-weight:600}.nav-item.disabled{opacity:.5}.nav-item:hover{text-decoration:none}.mode-tabs{display:flex;gap:0;border-bottom:1px solid var(--line);margin:0 0 16px}.mode-tabs a{flex:1;max-width:180px;text-align:center;color:var(--muted);font-size:14px;padding:10px 8px}.mode-tabs .selected{color:var(--accent);border-bottom:2px solid var(--accent);font-weight:600}.period-filter{display:flex;gap:8px;align-items:center;margin-bottom:20px}.period-filter select{width:auto;min-height:34px;font-size:12px;padding:5px 8px}.balance-card{border:1px solid var(--line2);background:var(--card);padding:24px 28px;margin-bottom:16px;border-left:3px solid var(--accent)}.balance-value{font-size:clamp(30px,6vw,46px);letter-spacing:-.04em;line-height:1.7;font-weight:550}.balance-value small{font-size:17px;margin-left:8px;font-weight:400;color:var(--muted)}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-bottom:26px;border-bottom:1px solid var(--line2);padding-bottom:20px}.stat-grid>div{display:grid;gap:6px;border-right:1px solid var(--line2);padding-left:20px}.stat-grid>div:first-child{padding-left:0}.stat-grid>div:last-child{border:0}.stat-grid span{font-size:11px;color:var(--muted)}.stat-grid strong{font-size:23px;line-height:1.3;font-weight:500}.stat-grid small{font-size:11px;margin-left:6px;color:var(--muted)}.chart{width:100%;height:auto;display:block}.chart text{fill:var(--muted);font-size:10px;font-family:ui-monospace,monospace}.chart-axis{stroke:var(--line);stroke-width:1}.chart-positive{fill:var(--chart-positive)}.chart-negative{fill:var(--chart-negative)}.chart-line{stroke:var(--accent);stroke-width:2.5;fill:none;stroke-linejoin:round}.empty{text-align:center;padding:36px 16px;color:var(--muted);font-size:13px}.empty h2,.empty h3{color:var(--ink)}.empty-mark{display:inline-block;font-size:30px;border:1px solid var(--line);color:var(--accent);padding:4px 12px;margin-bottom:16px;border-radius:4px}.empty .button{margin-top:12px}.badge{font-size:11px;padding:3px 7px;border-radius:3px;background:var(--line2);color:var(--muted);white-space:nowrap}.badge.ok{background:var(--soft-green);color:var(--accent)}.session-date{font-weight:600;font-size:18px;color:var(--ink)}.session-date .muted{font-size:12px;margin-left:8px;font-weight:400}.participant-names{font-size:13px;color:var(--muted)}.mini-table,.data-table{width:100%;border-collapse:collapse;text-align:left}.mini-table th{font-size:10px;color:var(--muted);font-weight:500}.mini-table td{font-size:14px;padding:10px 0;border-top:1px solid var(--line2)}.mini-table td:nth-child(n+2),.mini-table th:nth-child(n+2){text-align:right}.mini-table td small{display:block;font-size:10px;color:var(--muted)}.card-footer{display:flex;justify-content:space-between;align-items:center;font-size:12px;border-top:1px solid var(--line2);margin-top:8px;padding-top:12px}.pagination{display:flex;justify-content:space-between;font-size:13px;margin:20px 0}.metric-tabs{display:flex;gap:7px;overflow-x:auto;margin-bottom:16px;padding:1px 1px 9px}.metric-tabs a{font-size:12px;white-space:nowrap;padding:6px 11px;background:var(--card);border:1px solid var(--line);border-radius:3px;color:var(--muted)}.metric-tabs .selected{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.minimum-filter{display:flex;gap:8px;align-items:end;margin-bottom:18px}.minimum-filter label{max-width:130px}.minimum-filter input{min-height:34px!important;padding:5px 8px!important;font-size:13px!important}.ranking-row{display:flex;align-items:center;gap:14px;padding:17px 0;border-top:1px solid var(--line2)}.rank-number{font-family:ui-monospace,monospace;font-size:17px;width:30px;flex-shrink:0;color:var(--muted)}.rank-number.first{font-weight:700;color:var(--accent)}.ranking-row>div{min-width:0}.ranking-row strong{font-size:15px}.ranking-row>div>small{display:block;font-size:10px}.rank-value{margin-left:auto;white-space:nowrap}.rank-value small{font-size:11px;color:var(--muted)}.resume-card{display:flex;gap:14px;align-items:center}.data-table th,.data-table td{padding:10px 12px;border-bottom:1px solid var(--line2);white-space:nowrap;font-size:13px}.data-table td{text-align:right}.table-scroll{width:100%;overflow-x:auto;overscroll-behavior-x:contain}.data-table thead{color:var(--muted)}
.session-meta{display:flex;gap:8px 18px;flex-wrap:wrap;font-size:11px;color:var(--muted);padding-bottom:16px;border-bottom:1px solid var(--line2);margin-bottom:16px}.session-meta strong{font-family:ui-monospace,monospace;color:var(--ink);font-weight:500}.session-meta a{margin-left:auto}.save-status{font-size:11px;text-align:right;color:var(--muted);margin:8px 0}.save-status.unsaved{color:var(--warn)}.score-card{background:var(--card);border:1px solid var(--line);border-radius:5px;overflow:hidden}.score-table{width:100%;table-layout:fixed;border-collapse:separate;border-spacing:0}.score-table th,.score-table td{padding:0;border-right:1px solid var(--line2);border-bottom:1px solid var(--line2);text-align:center;overflow:hidden}.score-table th:last-child,.score-table td:last-child{border-right:0}.score-table thead th{background:var(--paper);font-weight:500;padding:12px 2px 10px;font-size:11px}.score-table .hand-col{width:32px}.table-member{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 2px;margin-top:5px}.member-dot{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border:1px solid var(--line);border-radius:50%;color:var(--accent);background:var(--card);font-size:11px}.score-cell{border:0;border-radius:0;display:flex;flex-direction:column;justify-content:center;gap:2px;min-height:62px;width:100%;padding:7px 1px;background:var(--card);font:500 18px/1.4 ui-monospace,"SF Mono",Menlo,monospace;letter-spacing:-.04em}.score-cell:hover{background:var(--field)}.score-cell small{font:9px/1.2 -apple-system,sans-serif;color:var(--muted);letter-spacing:0}.score-cell.automatic{background:var(--soft-green)}.score-cell.resting{color:var(--muted);font:13px/1.4 -apple-system,sans-serif;background:var(--paper)}.hand-number{font:13px/1.2 ui-monospace,monospace;border:0;border-radius:0;padding:4px;min-height:62px;width:100%;background:var(--paper);display:flex;flex-direction:column;gap:4px;color:var(--muted)}.hand-number small{font:9px/1.1 -apple-system,sans-serif}.invalid-hand .hand-number{color:var(--warn);background:var(--warn-bg)}.hand-error td{text-align:left;color:var(--warn);font-size:10px;padding:5px 8px;background:var(--warn-bg)}.score-table tfoot th{font-size:11px;color:var(--muted);background:var(--paper)}.score-table tfoot td{font:15px/1.4 ui-monospace,monospace;padding:12px 2px}.score-table tfoot .balance-row td{font-size:17px;font-weight:600;background:var(--soft-green)}.chip-row .score-cell{font-size:14px;min-height:40px}.chip-row th{font-size:10px}.score-table .chip-button{font:14px/1.3 ui-monospace,monospace;border:0;width:100%;padding:8px 1px;background:transparent}.editor-actions{display:grid;gap:6px;margin:14px 0 22px}.add-row{width:100%;border-style:dashed;background:transparent;color:var(--accent)}.editor-actions .primary{flex:1}.settlement-person{display:flex;justify-content:space-between;gap:10px;padding:11px 0;border-top:1px solid var(--line2);font-size:13px}.settlement-person small{display:block;color:var(--muted);font-size:10px}.danger-zone{font-size:12px;color:var(--muted);margin:24px 0}.danger-zone[open] summary{margin-bottom:12px}.toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:10px 16px;font-size:13px;border-radius:4px;z-index:100;max-width:90vw;text-align:center}
dialog{width:min(440px,calc(100vw - 24px));max-height:90dvh;padding:22px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);overflow-y:auto}dialog::backdrop{background:var(--overlay)}.keypad-dialog{inset:auto 12px calc(12px + env(safe-area-inset-bottom));margin:0 auto;width:min(400px,calc(100vw - 24px));padding:18px}.keypad-dialog h2{font-size:14px}.keypad-dialog .section-heading{margin-bottom:8px}.keypad-value{text-align:right;font:32px/1.3 ui-monospace,monospace!important;min-height:60px!important;background:var(--paper)!important;caret-color:transparent}.keypad-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.keypad-grid button{font:23px/1.3 ui-monospace,monospace;min-height:48px;background:var(--field)}.keypad-tools{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:7px 0}.keypad-tools button{font-size:12px;padding:6px}.keypad-dialog .primary{width:100%;margin-top:3px;min-height:44px}.player-option{padding:12px 0;border-bottom:1px solid var(--line2);display:grid;gap:8px}.player-option>strong{font-size:13px}.player-option .inline-fields{gap:8px}.event-input{padding:12px 0;border-bottom:1px solid var(--line2);display:grid;gap:8px}.event-input input{max-width:100px}
@media(min-width:800px){.login-intro{margin-top:50px}.shell:has(.login-card){display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.score-cell{min-height:72px;font-size:22px}.table-member{font-size:13px}.ranking-card{max-width:720px}}
@media(max-width:600px){.topbar{min-height:68px;padding:10px 16px;gap:10px}.theme-control{flex-basis:100%;justify-content:flex-end}.brand{font-size:16px}.brand-mark{font-size:18px}.group-title{max-width:105px;font-size:10px}.role{font-size:9px;padding:2px 5px}.shell{width:calc(100% - 32px);margin:24px auto}.card{padding:17px 15px}.page-heading{gap:8px}h1{font-size:22px}.page-heading select{max-width:128px;font-size:13px;padding:8px}.balance-card{padding:20px}.stat-grid>div{padding-left:12px}.stat-grid strong{font-size:20px}.stat-grid small{display:block;margin-left:0}.section-heading .small-text{font-size:10px}.mini-table td{font-size:12px}.mini-table td:first-child{max-width:105px;overflow:hidden;text-overflow:ellipsis}.member-edit{gap:5px}.member-edit .checkbox-line{gap:2px;font-size:10px}.member-edit input[type=checkbox]{width:15px;height:15px}.member-edit input:not([type=hidden]):not([type=checkbox]){padding:8px;font-size:14px}.session-date{font-size:16px}.inline-fields{gap:9px}.event-definition .inline-fields>label{min-width:80px}.rank-value{font-size:15px!important}.ranking-row{gap:9px}.balance-value{font-size:38px}.editor-shell .page-heading h1{font-size:21px}.score-table tfoot .balance-row td{font-size:15px}.score-table tfoot td{font-size:13px}.score-cell{font-size:17px}.score-cell.raw-value{font-size:14px}.score-table thead th{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.member-dashboard h2{overflow-wrap:anywhere}.member-dashboard .section-heading{align-items:flex-start}.member-dashboard .badge{flex-shrink:0}.place-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:18px 0}.place-grid.places-4{grid-template-columns:repeat(4,minmax(0,1fr))}.place-card{display:grid;gap:5px;min-width:0;padding:12px 8px;border:1px solid var(--line2);border-radius:4px;background:var(--field)}.place-card:first-child{border-top:3px solid var(--accent)}.place-card>span{font-size:12px;color:var(--muted)}.place-card strong{font:500 clamp(21px,4vw,30px)/1.5 ui-monospace,monospace;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.place-card small{font:11px -apple-system,sans-serif;margin-left:5px}.stat-grid.member-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0 0 12px;padding:0;border:0}.stat-grid.member-metrics>div{padding:12px;border:1px solid var(--line2);border-radius:4px;min-width:0;background:var(--field)}.member-metrics strong{font-size:clamp(18px,3vw,26px);overflow-wrap:anywhere}.member-metrics small{display:inline;margin-left:5px}.member-dashboard>.quiet-link{padding-left:0;font-size:12px}#opponent-summary .data-table{min-width:540px}#opponent-summary summary{margin-bottom:0}#opponent-summary[open] summary{margin-bottom:14px}@media(min-width:800px){.stat-grid.member-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}}
/* Marukanido return chip — shared across the o-kani.com games. Spec: SPEC.md next to this file. */
.okani-home {
  position: fixed;
  z-index: 2147483000;
  top: calc(10px + env(safe-area-inset-top, 0px));
  left: calc(10px + env(safe-area-inset-left, 0px));
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-sizing: border-box;
  height: 32px;
  padding: 0 12px 0 9px;
  border: 1px solid rgba(37, 39, 33, .18);
  border-radius: 999px;
  background: rgba(244, 241, 232, .94);
  color: #252721;
  font: 700 12px/1 "Noto Sans CJK JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  letter-spacing: .06em;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .18);
  -webkit-tap-highlight-color: transparent;
}
.okani-home:hover { background: #fff; color: #252721; }
.okani-home:focus-visible { outline: 3px solid #c93824; outline-offset: 3px; }
.okani-home__mark { display: block; flex: none; width: 18px; height: 18px; }
@media print { .okani-home { display: none; } }
/* JanScore placement: the header reserves the chip's width left of the brand; on wide screens the chip lines up with the
   brand. Hidden while a draft set is editable: on phones the full-width score grid scrolls under a fixed chip. */
.topbar{padding-left:calc(105px + env(safe-area-inset-left, 0px))}
@media(min-width:601px){.okani-home{top:calc(22px + env(safe-area-inset-top, 0px))}}
body:has(#can-edit[value="1"]) .okani-home{display:none}