/* ATAWIマイナス — ⑫ ATAWI一次方程式のマンガ風の作り（黒3px線＋ずらした影、網点、Mochiy Pop One）を青で。
   明朝を使わない。字間を空けない。文字は16px以上。色だけで意味を伝えない（憲法第21条） */
:root{
  --ink:#161616; --blue:#1e5bb8; --blue-d:#123f82; --blue-m:#5b9bf0; --blue-l:#d6e8ff; --blue-xl:#eef5ff;
  --yellow:#ffe14d; --yellow-l:#fff4b8; --red:#b3261e; --green:#1d6b2f; --muted:#555;
  --shadow:4px 4px 0 var(--ink);
  --font:"BIZ UDPGothic","Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Noto Sans CJK JP","Yu Gothic","Meiryo",system-ui,sans-serif;
  --font-round:"Zen Maru Gothic","Hiragino Maru Gothic ProN","BIZ UDPGothic","Hiragino Sans","Yu Gothic","Meiryo",sans-serif;
  --font-pop:"Mochiy Pop One","Zen Maru Gothic","Hiragino Maru Gothic ProN","BIZ UDPGothic","Yu Gothic","Meiryo",sans-serif;
  --w-main:720px;
}
*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;font-family:var(--font);font-size:1rem;line-height:1.8;color:var(--ink);background-color:#f7fbff;background-image:radial-gradient(rgba(30,91,184,.08) 1.2px,transparent 1.3px);background-size:12px 12px;overflow-x:hidden}
a{color:var(--blue-d);text-underline-offset:3px}
a:focus-visible,button:focus-visible,summary:focus-visible,textarea:focus-visible,input:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
img,svg{max-width:100%}
h1,h2,.brand,.btn,.ask-c,.ci-c,.pr-kind,.ch-kicker,.toc-no,.find-tag,.motto,.pro-why,.tb-font,.role-v,.name-k,.caution-k,.model-tag,.elem-tag,.five-k,.meaning-k,.ask-tag,.scene-k{font-family:var(--font-pop);font-weight:400}
.bubble,.pro-q,.lead{font-family:var(--font-round);font-weight:700}

/* ヘッダー：青い帯。ロゴ左・メニュー右の1段 */
.site-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px max(16px,calc((100% - 760px)/2));background:var(--blue);border-bottom:4px solid var(--ink)}
.brand{display:inline-flex;align-items:center;gap:6px;color:#fff;text-decoration:none;font-size:1.15rem;white-space:nowrap}
.brand img{width:36px;height:36px;background:#fff;border:2px solid var(--ink);border-radius:50%}
.global{display:flex;gap:16px;align-items:center}
.global a{color:#fff;font-weight:700;text-decoration:none;white-space:nowrap;padding:2px 0;border-bottom:3px solid transparent}
.global a[aria-current]{border-bottom-color:var(--yellow)}
@media (max-width:560px){.brand-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.global{gap:12px}}
@media (max-width:340px){.global{gap:8px}}
.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:#fff;color:var(--ink);border:3px solid var(--ink);padding:8px 14px;font-weight:700}
.skip-link:focus{left:12px;top:12px}
.main{max-width:var(--w-main);margin:0 auto;padding:12px 16px 24px}
.main:focus{outline:none}
.breadcrumb{max-width:var(--w-main);margin:8px auto 0;padding:0 16px}
.breadcrumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap}
.breadcrumb li+li::before{content:"＞";margin:0 .4em;color:var(--muted)}
.breadcrumb [aria-current=page]{color:var(--muted)}
.site-footer{max-width:var(--w-main);margin:32px auto 0;padding:16px;border-top:3px solid var(--ink)}
.site-footer nav{display:flex;flex-wrap:wrap;gap:6px 16px}
.small,.note{color:var(--muted)}

/* 見出し */
h1{font-size:1.6rem;line-height:1.5;margin:.4rem 0 1rem}
h2{font-size:1.2rem;line-height:1.5;background:var(--blue-l);border:3px solid var(--ink);border-radius:8px;box-shadow:var(--shadow);padding:5px 12px;display:table;margin:2rem 0 .8rem}
h3{font-size:1.1rem;margin:1.2rem 0 .4rem}

/* ボタン（押すと沈む） */
.btn{display:inline-block;line-height:1.5;background:var(--blue);color:#fff;border:3px solid var(--ink);border-radius:999px;box-shadow:3px 3px 0 var(--ink);padding:9px 18px;text-decoration:none;font-size:1rem;cursor:pointer;margin:4px 4px 4px 0}
.btn.secondary{background:#fff;color:var(--ink)}
.btn:active{transform:translate(3px,3px);box-shadow:none}
.btn-big{font-size:1.2rem;padding:12px 24px}
button{font-family:inherit;font-size:1rem}

/* 式（本文のゴシック・等幅の数字）。数の前の − と「ひく」の − は別の span（憲法第8条） */
.eq{font-family:var(--font);font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap;font-size:1.1rem}
.eq .op{margin:0 .22em}
.eq-big{font-size:clamp(1.6rem,7vw,2.2rem)}
.eq-law{white-space:normal}
.eq .v{font-style:italic;margin:0 .05em}
.eq .q{color:var(--blue-d);margin-left:.2em}
.eq-line{text-align:center;margin:1rem 0;overflow-x:auto}
.eq-hero{text-align:center;margin:.6rem 0}
.eq-hero .eq{font-size:clamp(2.2rem,11vw,3.4rem)}
.glow{background:var(--yellow);border-radius:6px;box-shadow:0 0 0 3px var(--ink)}

/* 短い文を大きく */
.lead{font-size:1.25rem;line-height:1.7;text-align:center;margin:1rem 0 1.4rem}
.lead p{margin:.3rem 0}
.big-num{font-family:var(--font);font-size:4.5rem;font-weight:700;line-height:1.1;margin:0}
.motto{font-size:clamp(1.2rem,5vw,1.5rem);text-align:center;line-height:1.6;background:#fff;border:3px solid var(--ink);border-radius:12px;box-shadow:var(--shadow);padding:14px 16px;margin:1.6rem 0}
.motto-sub{font-size:1.1rem;background:var(--blue-xl)}

/* 発見（黄色）・約束・注意・小学校 */
.find{background:var(--yellow-l);border:3px solid var(--ink);border-radius:12px;box-shadow:var(--shadow);padding:10px 14px;font-size:1.15rem;font-weight:700;margin:1.4rem 0}
.find-tag{display:inline-block;background:var(--yellow);border:2px solid var(--ink);border-radius:999px;padding:0 10px;margin-right:.6em;font-size:1rem}
.model-note,.elem,.caution{background:#fff;border:3px solid var(--ink);border-radius:12px;padding:6px 14px;margin:1.2rem 0}
.model-note{border-style:dashed}
.elem{background:var(--blue-xl)}
.caution{border-color:var(--red)}
.model-tag,.elem-tag,.caution-k{display:inline-block;margin:.4rem 0 0;padding:0 10px;border-radius:999px;border:2px solid var(--ink);background:#fff}
.elem-tag{background:var(--blue-l)}
.caution-k{border-color:var(--red);color:var(--red)}
.caution-k::before{content:"⚠ "}
.small-print{color:var(--muted)}

/* まいちゃん の吹き出し */
.mascot{display:flex;align-items:flex-start;gap:10px;margin:1rem 0}
.mascot img{flex:0 0 auto;width:48px;height:48px}
.bubble{position:relative;margin:0;padding:8px 12px;background:#fff;border:3px solid var(--ink);border-radius:18px;line-height:1.6}
.bubble::before{content:"";position:absolute;left:-12px;top:14px;border-style:solid;border-width:8px 10px 8px 0;border-color:transparent var(--ink) transparent transparent}

/* 数直線の図 */
.nl{background:#fff;border:3px solid var(--ink);border-radius:12px;box-shadow:var(--shadow);padding:10px 12px 12px;margin:1.2rem 0}
.nl-svg svg{display:block;width:100%;height:auto;max-width:520px;margin:0 auto}
.nl-v .nl-svg svg{max-width:360px}
.nl-say{margin:.6rem 0 0;padding-left:1.4em}
.nl-say li{margin:.2rem 0}
.nl-say li.now{font-weight:700;background:var(--blue-xl);border-radius:6px}
.nl-ctrl{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:.6rem}
.nl-ctrl[hidden],.nl-again[hidden],[hidden]{display:none!important}
.nl-cap{color:var(--muted);margin-top:.4rem}
.nl .off{visibility:hidden}
.nl .dot{transition:transform .7s ease}
.nl .dot.gone{visibility:hidden}
@media (prefers-reduced-motion:no-preference){
  .nl .anim .arr-line{stroke-dasharray:1;animation:nl-draw .7s ease-out both}
  .nl .anim.arr-ghost .arr-line,.nl .anim .arr-line[stroke-dasharray="6 5"]{animation:nl-fade .5s ease-out both;stroke-dasharray:6 5}
  .nl .anim .arr-head{animation:nl-fade .25s ease-out .6s both}
  .nl .anim .arr-label{animation:nl-fade .3s ease-out .3s both}
  .nl .anim.mark,.nl .anim.dist,.nl .anim.tick{animation:nl-fade .4s ease-out both}
  .glow{transition:background .2s}
}
@media (prefers-reduced-motion:reduce){.nl .dot{transition:none}}
@keyframes nl-draw{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
@keyframes nl-fade{from{opacity:0}to{opacity:1}}

/* 予想（ask）・選択肢 */
.ask{background:var(--blue-xl);border:3px solid var(--ink);border-radius:12px;padding:8px 12px 10px;margin:.8rem 0}
.ask-q{margin:.2rem 0 .5rem;font-weight:700;font-size:1.05rem}
.ask-tag{display:inline-block;background:var(--blue);color:#fff;border:2px solid var(--ink);border-radius:999px;padding:0 10px;margin-right:.5em;font-size:1rem}
.ask-choices,.ci-choices{display:flex;flex-wrap:wrap;gap:8px}
.ask-c,.ci-c{min-height:44px;min-width:56px;padding:6px 14px;background:#fff;color:var(--ink);border:3px solid var(--ink);border-radius:10px;box-shadow:2px 2px 0 var(--ink);cursor:pointer;font-size:1.05rem;line-height:1.4;text-align:left}
.ask-c:active,.ci-c:active{transform:translate(2px,2px);box-shadow:none}
.ask-c.is-ok,.ci-c.is-ok{background:#d4f0d6}
.ask-c.is-ok::before,.ci-c.is-ok::before{content:"○ "}
.ask-c.is-ng,.ci-c.is-ng{background:#ffe0e0;text-decoration:line-through}
.ask-c.is-ng::before,.ci-c.is-ng::before{content:"× "}
.ask-c[disabled],.ci-c[disabled]{cursor:default}
.ask-fb,.ci-fb{margin:.5rem 0 0;font-weight:700;min-height:0}
.ask-fb.ok,.ci-fb.ok{color:var(--green)}
.ask-fb.ng,.ci-fb.ng{color:var(--red)}
html:not(.js) .ask{display:none}
.ask.asked{padding:4px 12px 6px}
.ask.asked .ask-choices{display:none}
.ask.asked .ask-q{margin:.1rem 0 0;font-size:1rem}
.ask.asked .ask-fb{margin:.1rem 0 0}
.gated{display:none!important}
.gate-note{text-align:center;color:var(--muted);margin:.4rem 0 1rem}
.gate-skip{margin-left:.6em;background:none;border:0;color:var(--blue-d);text-decoration:underline;cursor:pointer;min-height:44px}
.nl .ask{margin:.6rem 0 0}

/* 1行ずつ見せる表 */
.pattern{list-style:none;padding:0;margin:.6rem 0;display:grid;gap:6px}
.pattern li{background:#fff;border:2px solid var(--ink);border-radius:8px;padding:6px 12px;text-align:center}
.pattern li .ask{text-align:left}
.reveal-more{display:block;margin:.4rem auto}

/* どう考えた？・数学ではどう考える？ */
.think{background:#fff;border:3px solid var(--ink);border-radius:12px;box-shadow:var(--shadow);padding:4px 14px 12px;margin:1.6rem 0}
.think h2{margin:.8rem 0 .4rem;box-shadow:none;background:var(--yellow-l)}
.think-q{font-weight:700}
.think-label{display:block;color:var(--muted);margin:.4rem 0 .2rem}
.think-in{width:100%;font:inherit;font-size:1rem;padding:8px;border:2px solid var(--ink);border-radius:8px;resize:vertical}
.think-sample{margin-top:.6rem}
.think-sample summary,.math-detail summary{cursor:pointer;font-weight:700;min-height:44px;display:flex;align-items:center}
.math-detail{background:#fff;border:3px dashed var(--blue);border-radius:12px;padding:4px 14px;margin:1.6rem 0}
.math-detail summary{color:var(--blue-d);font-family:var(--font-pop)}
.math-detail summary::before{content:"∑ ";margin-right:.3em}
.math-body{padding-bottom:.6rem}
.history{background:var(--blue-xl);border-radius:8px;padding:6px 10px}

/* 章 */
.ch-head{margin-bottom:.4rem}
.ch-kicker{margin:.4rem 0 0;color:var(--blue-d);font-size:1.05rem}
.ch-of{color:var(--muted);font-family:var(--font);font-size:1rem}
.ch-steps ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px;padding:0;margin:.2rem 0 .8rem}
.ch-steps a{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:32px;border:2px solid var(--ink);border-radius:50%;background:#fff;text-decoration:none;color:var(--ink);font-weight:700}
.ch-steps a.seen{background:var(--blue-l)}
.ch-steps a[aria-current]{background:var(--blue);color:#fff}
.ch-next{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin:2rem 0 1rem}
.can-do{list-style:none;padding:0}
.can-do li{padding:6px 0 6px 1.8em;position:relative;border-bottom:1px dashed #9fbad6}
.can-do li::before{content:"□";position:absolute;left:0;top:4px;font-size:1.2em;color:var(--blue)}
.roles{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:1rem 0}
@media (max-width:520px){.roles{grid-template-columns:1fr}}
.role{background:#fff;border:3px solid var(--ink);border-radius:12px;box-shadow:var(--shadow);padding:6px 12px}
.role-k{margin:.2rem 0 0;color:var(--muted)}
.role-v{font-size:1.25rem;margin:.1rem 0}
.eq-signs .glow{padding:0 .1em}
.read-table,.cur-item table{border-collapse:collapse;width:100%;margin:.6rem 0 1rem;background:#fff}
table{border-collapse:collapse}
th,td{border:2px solid var(--ink);padding:6px 8px;text-align:left;vertical-align:top}
th{background:var(--blue-l)}
.read-table .eq{font-size:1.05rem}
.rule-list li{margin:.3rem 0}
.name-card{background:#fff;border:3px solid var(--ink);border-radius:12px;box-shadow:var(--shadow);padding:10px 14px;font-size:1.1rem}
.name-k{display:inline-block;background:var(--blue);color:#fff;border:2px solid var(--ink);border-radius:999px;padding:0 10px;margin-right:.6em}
.side-by-side{display:grid;grid-template-columns:1fr 1fr;gap:10px;text-align:center}
.side-by-side p{background:#fff;border:3px solid var(--ink);border-radius:12px;padding:8px;margin:0}
@media (max-width:520px){.side-by-side{grid-template-columns:1fr}}
.scenes{padding-left:0;list-style:none}
.scenes li{background:#fff;border:2px solid var(--ink);border-radius:10px;padding:6px 12px;margin:6px 0}
.scene-k,.meaning-k,.five-k{display:inline-block;background:var(--blue-l);border:2px solid var(--ink);border-radius:999px;padding:0 10px;margin-right:.6em}
.meaning{background:#fff;border-left:6px solid var(--blue);padding:6px 12px}
.five{padding-left:0;list-style:none;counter-reset:f}
.five li{background:#fff;border:2px solid var(--ink);border-radius:10px;padding:6px 12px;margin:6px 0}

/* トップ */
.title-banner svg{display:block;width:100%;max-width:560px;height:auto;margin:.4rem auto}
.prologue{text-align:center;background:#fff;border:3px solid var(--ink);border-radius:14px;box-shadow:var(--shadow);padding:6px 16px 12px;margin:1rem 0}
.prologue h1{font-size:clamp(1.5rem,6.5vw,2.1rem);margin:.2rem 0}
.prologue .mascot{text-align:left;justify-content:center}
.pro-kicker{margin:.6rem 0 0;color:var(--muted)}
.pro-why{font-size:2.4rem;margin:.2rem 0;color:var(--blue-d)}
.pro-q{font-size:1.2rem;line-height:1.7}
.toc-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.toc-list a{display:grid;grid-template-columns:auto 1fr;gap:0 10px;align-items:baseline;background:#fff;border:3px solid var(--ink);border-radius:10px;box-shadow:3px 3px 0 var(--ink);padding:8px 12px;text-decoration:none;color:var(--ink)}
.toc-list a:hover{background:var(--blue-xl)}
.toc-no{grid-row:span 2;color:var(--blue-d);white-space:nowrap}
.toc-title{font-weight:700;font-size:1.1rem}
.toc-sum{color:var(--muted);grid-column:2}
.toc-done{grid-column:2;color:var(--green);font-weight:700}
.promise-box ul{padding-left:1.2em}
.promise-box li{margin:.3rem 0}

/* 理解確認・練習 */
.ci-list{list-style:none;padding:0;counter-reset:ci}
.ci{background:#fff;border:3px solid var(--ink);border-radius:12px;box-shadow:var(--shadow);padding:8px 14px 12px;margin:14px 0;counter-increment:ci}
.ci-q{font-weight:700;margin:.2rem 0 .6rem}
.ci-q::before{content:counter(ci) ". ";color:var(--blue-d)}
.ci-input{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.ci-input input{font-size:1.2rem;padding:6px 8px;width:6.5em;border:3px solid var(--ink);border-radius:8px;font-family:var(--font)}
.ci-unit{font-weight:700}
.ci.done-ok{border-color:var(--green)}
.ci-more{margin-top:.6rem}
.layer-lead{display:block;font-family:var(--font);font-size:1rem;color:var(--muted)}
.check-back li{margin:.3rem 0}
.pr-kinds{display:flex;flex-wrap:wrap;gap:8px;margin:.6rem 0}
.pr-kind{padding:6px 14px;border:3px solid var(--ink);border-radius:999px;background:#fff;cursor:pointer}
.pr-kind[aria-pressed=true]{background:var(--blue);color:#fff}
.pr-box{background:#fff;border:3px solid var(--ink);border-radius:12px;box-shadow:var(--shadow);padding:10px 14px;margin:1rem 0}
.pr-q{display:block;text-align:center;margin:.4rem 0 .8rem}
.pr-fig svg{display:block;width:100%;max-width:520px;height:auto;margin:.4rem auto}

/* 固定ページ */
.page blockquote,.cur-item blockquote{margin:.6rem 0;padding:8px 14px;border-left:6px solid var(--blue);background:#fff}
.cur-group{display:block;font-family:var(--font);font-size:1rem;color:var(--muted)}
.page table{width:100%;background:#fff;margin:.6rem 0 1rem}
@media print{.site-header,.site-footer,.nl-ctrl,.breadcrumb{display:none}.nl .off{visibility:visible}body{background:#fff}}

/* 検証（2026-09-25、指示 #012）で見つかった、狭い画面・200%拡大での横はみ出しの対策 */
.eq{white-space:normal}
.eq .op{white-space:nowrap}
.read-table{table-layout:fixed}
.page a,.main a{overflow-wrap:anywhere}
@media (max-width:430px){
  th,td{padding:5px 4px}
  .read-table{font-size:1rem}
}
@media (max-width:340px){
  .site-header{flex-wrap:wrap;justify-content:center;gap:6px}
  .global{flex-wrap:wrap;justify-content:center;gap:4px 12px}
  .brand-text{position:static;width:auto;height:auto;clip:auto}
}
.title-banner svg{overflow:hidden}
.page p,.page li,.page td{overflow-wrap:anywhere}
.bubble{min-width:0;overflow-wrap:anywhere}
.mascot{min-width:0}
.eq{max-width:100%}
@media (max-width:200px){.eq-hero .eq,.eq-big{font-size:1.4rem}.title-banner{overflow:hidden}}
@media (max-width:260px){.read-table{display:block;overflow-x:auto}}
.nl-svg{overflow:hidden}
details:not([open])>:not(summary){max-width:100%}
.main{overflow-wrap:anywhere}
html:not(.js) .pr-box{display:none}
.pr-q{min-height:3.2rem}

/* 学習の記録（指示 #014）：状態は色だけでなく記号 ◎○△・ と文字でも示す */
:root{--st-solo:#2e8b3a;--st-solo-bg:#d4f0d6;--st-retry:#1e5bb8;--st-retry-bg:#d6e8ff;--st-ng:#d9534f;--st-ng-bg:#ffd6d9;--st-none-bg:#fff}
.nav-rec{border:2px solid #fff;border-radius:999px;padding:0 10px!important;background:rgba(255,255,255,.15)}
.global a.nav-rec[aria-current]{background:#fff;color:var(--blue-d);border-bottom-color:#fff}
.site-footer a.nav-rec{border:2px solid var(--ink);border-radius:999px;padding:0 10px;background:var(--yellow);color:var(--ink);text-decoration:none;font-weight:700}
.mini-progress{margin:.2rem 0 .8rem}
.mini-progress a{display:block;background:var(--yellow-l);border:3px solid var(--ink);border-radius:10px;padding:6px 12px;text-decoration:none;color:var(--ink);font-weight:700}
.rec-top{background:#fff;border:3px solid var(--ink);border-radius:12px;box-shadow:var(--shadow);padding:4px 14px 12px;margin:1rem 0}
.rec-top h2{box-shadow:none;margin-top:.8rem}
.rec-ring-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.rec-pct{--p:0;margin:0;width:128px;height:128px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:conic-gradient(var(--blue) calc(var(--p)*1%),var(--blue-l) 0);border:3px solid var(--ink);position:relative}
.rec-pct::before{content:"";position:absolute;inset:16px;border-radius:50%;background:#fff;border:3px solid var(--ink)}
.rec-pct-num,.rec-pct-unit{position:relative;font-family:var(--font);font-weight:700}
.rec-pct-num{font-size:2.4rem;line-height:1}
.rec-pct-unit{font-size:1.1rem;margin-left:2px}
.rec-pct-text p{margin:.1rem 0}
.rec-pct-label{font-weight:700}
.rec-pct-text b{font-size:1.6rem}
.rec-bar{display:flex;width:100%;height:28px;border:3px solid var(--ink);border-radius:8px;overflow:hidden;background:#fff;margin:.6rem 0}
.rec-bar-s{height:16px;border-width:2px;margin:.2rem 0 .4rem}
.rec-bar .seg{display:block;height:100%}
.rec-bar .seg+.seg{border-left:2px solid var(--ink)}
.seg.st-solo{background:var(--st-solo)}.seg.st-retry{background:var(--st-retry)}.seg.st-ng{background:var(--st-ng)}.seg.st-none{background:#fff}
.rec-legend{list-style:none;padding:0;margin:.3rem 0;display:flex;flex-wrap:wrap;gap:4px 14px}
.rec-sw{display:inline-block;min-width:1.6em;text-align:center;border:2px solid var(--ink);border-radius:5px;margin-right:.3em;font-weight:700}
.rec-sw.st-solo,.rec-cell.st-solo{background:var(--st-solo-bg)}.rec-sw.st-retry,.rec-cell.st-retry{background:var(--st-retry-bg)}.rec-sw.st-ng,.rec-cell.st-ng{background:var(--st-ng-bg)}.rec-sw.st-none{background:#fff;border-style:dashed}
.rec-sub{color:var(--muted)}
.rec-todo{background:#fff;border:3px solid var(--ink);border-radius:12px;padding:6px 14px 8px;margin:.6rem 0}
.rec-todo-title{font-weight:700;margin:.2rem 0}
.rec-groups{list-style:none;padding:0;margin:0}
.rec-groups>li{margin:.4rem 0 1rem}
.rec-g-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:0 12px}
.rec-g-head a{font-weight:700}
.rec-cells{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.rec-cell{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:2px solid var(--ink);border-radius:8px;text-decoration:none;color:var(--ink);font-weight:700;background:#fff}
.rec-cell.st-none{border-style:dashed;border-color:#8a8a8a;color:var(--muted)}