/* style.css - atamanote.com (one stylesheet, large print by default, mobile first) */
:root{--ink:#1d2329;--muted:#4a5560;--line:#d5dbe0;--bg:#fbfaf6;--card:#fff;--accent:#1f5f8b;--accent2:#c4561f;--soft:#eef4f8;--ok:#2e7d32;--warm:#fff4d6}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;font-size:18px}
html.big{font-size:21px}
body{margin:0;font-family:"Noto Sans JP",-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:var(--bg);line-height:1.85;font-size:1rem}
h1,h2,h3,.id .name,.kj-cell,.big-num{font-family:"Zen Maru Gothic","Noto Sans JP",sans-serif}
a{color:var(--accent)}
.wrap{max-width:980px;margin:0 auto;padding:0 16px}
header.top{background:var(--card);border-bottom:2px solid var(--line)}
.topin{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;padding:10px 16px}
.id{display:flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none;font-weight:700;font-size:1.25rem}
.id .mark{color:var(--accent)}
.bigtext{margin-left:auto;min-height:44px;padding:6px 14px;border:2px solid var(--accent);background:#fff;color:var(--accent);border-radius:22px;font:inherit;font-size:.9rem;font-weight:700;cursor:pointer}
header nav{display:flex;flex-wrap:wrap;gap:4px 18px;width:100%}
header nav a{color:var(--ink);text-decoration:none;font-weight:700;padding:6px 0}
header nav a:hover{color:var(--accent)}
main{padding:14px 16px 44px}
.crumb{font-size:.85rem;color:var(--muted);margin:4px 0 6px}
.crumb a{color:var(--muted)}
.crumb .sep{margin:0 6px}
h1{font-size:1.6rem;line-height:1.4;margin:8px 0 10px}
h2{font-size:1.3rem;margin:34px 0 10px;padding-bottom:4px;border-bottom:3px solid var(--line)}
h3{font-size:1.1rem;margin:20px 0 6px}
p{margin:10px 0}
.lead{font-size:1.05rem}
ul,ol{padding-left:1.4em}
li{margin:6px 0}
.btn,button.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;min-width:48px;padding:8px 20px;background:var(--accent);color:#fff;border:0;border-radius:10px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none}
.btn.sub{background:#fff;color:var(--accent);border:2px solid var(--accent)}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}
.tool{background:var(--card);border:2px solid var(--line);border-radius:14px;padding:14px;margin:12px 0 20px}
.local,.note{font-size:.85rem;color:var(--muted)}
.msg{min-height:1.8em;font-weight:700;color:var(--accent2);margin:6px 0}
.count{font-weight:700;font-size:1.1rem;margin:0 0 8px}
.count b{font-size:1.4rem}
/* 間違い探し */
.mz-pics{display:grid;grid-template-columns:1fr;gap:12px}
@media (min-width:900px){.mz-pics{grid-template-columns:1fr 1fr}}
.mz-pic{margin:0}
.mz-pic figcaption{font-weight:700;margin-bottom:4px}
.mz-pic svg{display:block;width:100%;height:auto;cursor:pointer;touch-action:manipulation}
.mz-ok{fill:none;stroke:#2e7d32;stroke-width:8}
.mz-ans{fill:none;stroke:#d8433b;stroke-width:7;stroke-dasharray:14 8;display:none}
.show-answer .mz-ans{display:inline}
.mz-miss{fill:none;stroke:#555;stroke-width:5;opacity:.7}
.cards{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.cards li{margin:0;background:var(--card);border:2px solid var(--line);border-radius:12px;overflow:hidden}
.cards a{display:block;text-decoration:none;color:var(--ink)}
.cards img{display:block;width:100%;height:auto;border-bottom:2px solid var(--line);background:#fff}
.cards .t{display:block;padding:8px 10px;font-weight:700}
.cards .s{display:block;padding:0 10px 10px;font-size:.85rem;color:var(--muted)}
.filter{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.filter a{min-height:48px;display:inline-flex;align-items:center;padding:6px 16px;border:2px solid var(--accent);border-radius:24px;text-decoration:none;font-weight:700}
.filter a[aria-current]{background:var(--accent);color:#fff}
.pager{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:20px 0}
details{background:var(--soft);border-radius:10px;padding:8px 14px;margin:10px 0}
summary{cursor:pointer;font-weight:700;min-height:40px;display:list-item}
/* 漢字・文字 */
.kj-grid{display:grid;grid-template-columns:repeat(var(--n),1fr);gap:3px;max-width:640px;margin:0 auto}
.kj-cell{aspect-ratio:1;border:1px solid var(--line);background:#fff;font-size:calc(min(640px,calc(100vw - 64px)) / var(--n) * .8);line-height:1;padding:0;color:var(--ink);cursor:pointer;border-radius:4px;font-weight:700;font-family:"Zen Maru Gothic","Noto Sans JP",sans-serif}
.kj-cell.ok{background:#d9f2dc;border-color:#2e7d32;outline:3px solid #2e7d32}
.kj-cell.miss{background:#eee}
.show-answer .kj-cell.ans{outline:4px dashed #d8433b;outline-offset:-4px}
.toollist{list-style:none;padding:0}
.toollist li{padding:10px 0;border-bottom:1px solid var(--line)}
.toollist a{font-weight:700}
.related{margin-top:34px}
footer.foot{border-top:2px solid var(--line);background:var(--card);padding:18px 0 28px;font-size:.85rem;color:var(--muted)}
footer .links a{margin-right:16px;color:var(--muted);display:inline-block;padding:4px 0}
.health{font-weight:700;color:var(--ink)}
table{border-collapse:collapse;width:100%;background:#fff}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left}
@media (max-width:600px){h1{font-size:1.4rem}}
@media print{header.top,footer.foot,.related,.btns,.bigtext{display:none}}
/* 計算 */
.ks-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px}
.inline{display:inline-flex;align-items:center;gap:8px;font-weight:700}
select{font:inherit;min-height:48px;padding:6px 10px;border:2px solid var(--line);border-radius:8px;background:#fff}
.ks-timer{margin:0;font-weight:700}
.ks-list{list-style:none;padding:0;margin:10px 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:6px 20px;counter-reset:q}
.ks-list li{counter-increment:q;display:flex;align-items:center;gap:8px;font-size:1.25rem;margin:0}
.ks-list li::before{content:"(" counter(q) ")";font-size:.8rem;color:var(--muted);min-width:2.6em}
.ks-big .ks-list{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.ks-big .ks-list li{font-size:1.7rem}
.ks-q{font-family:"Zen Maru Gothic","Noto Sans JP",sans-serif;font-weight:700;white-space:nowrap}
.ks-in{width:3.4em;min-height:44px;font:inherit;font-size:1.1em;text-align:center;border:2px solid #b9c4cc;border-radius:8px;padding:2px}
.ks-in.ok{border-color:#2e7d32;background:#e3f4e5}.ks-in.ng{border-color:#c62828;background:#fdeaea}
.ks-answers{display:none;margin-top:12px}.show-answer .ks-answers{display:block}
.ks-link{width:100%;font:inherit;font-size:.8rem;padding:6px;border:1px solid var(--line);border-radius:6px;margin-top:4px}
.ks-masu-wrap{overflow-x:auto}
.ks-masu{border-collapse:collapse;margin:8px auto;background:#fff}
.ks-masu th,.ks-masu td{border:1px solid #8a96a0;width:2.6em;height:2.6em;text-align:center;padding:0;font-size:1rem}
.ks-masu th{background:var(--soft)}.ks-masu .ks-in{width:100%;min-height:2.4em;border:0;border-radius:0;font-size:1rem}
/* クイズ */
.qz-list{padding-left:1.6em;margin:0}
.qz-item{margin:0 0 18px}
.qz-q{font-weight:700;margin:4px 0 8px}
.qz-ch{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px}
.qz-btn{min-height:48px;text-align:left;padding:8px 14px;border:2px solid var(--line);border-radius:10px;background:#fff;font:inherit;cursor:pointer;color:var(--ink)}
.qz-btn.ok{border-color:#2e7d32;background:#e3f4e5;font-weight:700}.qz-btn.ng{border-color:#c62828;background:#fdeaea}
.qz-ex{background:var(--warm);border-radius:8px;padding:8px 12px;margin:8px 0 0}
.aff{border:2px solid var(--line);border-radius:12px;padding:12px 16px;margin:24px 0;background:#fff}
.aff-pr{font-size:.75rem;color:var(--muted);margin:0}.pr-note{font-size:.8rem;color:var(--muted)}
@media print{
  .ks .btns,.ks .ks-controls,.ks .note,.ks .local,.ks .msg,.crumb,.lead,main > h2,main > p,main > ul,main > h3,.related,.qz .btns{display:none}
  .ks-in{border:0;border-bottom:1px solid #000;border-radius:0;background:none}
  .ks-answers{display:block;break-before:page}
  .tool{border:0;padding:0}
}