:root{--bg:#f3efe6;--card:#fffdf7;--ink:#1d2320;--sub:#5f6862;--line:#ddd6c6;--work:#c8432b;--rest:#1f7a66;--long:#2c5f9e;--acc:var(--work);--track:#e4ddcd}
html.dark{--bg:#14181a;--card:#1d2326;--ink:#edf0ec;--sub:#9aa59e;--line:#2f383b;--work:#ef7a5f;--rest:#58c2a6;--long:#7fb0ea;--track:#2a3235}
body[data-mode=break],body[data-mode=done]{--acc:var(--rest)}
body[data-mode=long]{--acc:var(--long)}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hiragino Sans","Yu Gothic UI","Noto Sans JP",system-ui,sans-serif;transition:background .4s,color .4s;-webkit-text-size-adjust:100%}
button{font:inherit;color:inherit;cursor:pointer}
a{color:var(--acc)}
header.top{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;height:62px}
header.top>div{display:flex;align-items:center;gap:2px}
.brand{font-weight:700;font-size:15px;margin:0 0 0 4px;color:var(--ink);text-decoration:none;letter-spacing:.02em}
.ic{width:42px;height:42px;border:0;background:transparent;border-radius:50%;display:grid;place-items:center;color:var(--ink);text-decoration:none}
.ic:hover{background:var(--track)}
.ic:focus-visible,.ctl:focus-visible,.btn:focus-visible,.chips a:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
.ic svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.stage{min-height:calc(100svh - 62px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:4px 18px 44px;position:relative}
.intent{width:min(440px,100%);text-align:center}
.intent label{display:block;font-size:12px;color:var(--sub);letter-spacing:.08em;margin-bottom:4px}
.intent input{width:100%;border:0;border-bottom:1.5px solid var(--line);background:transparent;color:var(--ink);font:inherit;font-size:18px;text-align:center;padding:6px 4px;outline:0;border-radius:0}
.intent input:focus{border-color:var(--acc)}
.intent input::placeholder{color:var(--sub);opacity:.75}
.ring{position:relative;width:min(320px,76vw);aspect-ratio:1}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:7}
.ring .tr{stroke:var(--track)}
.ring .pg{stroke:var(--acc);stroke-linecap:round;transition:stroke .4s}
.face{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.time{font-size:clamp(54px,17vw,76px);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1}
.status{margin-top:10px;font-size:15px;font-weight:600;color:var(--acc)}
.ctls{display:flex;gap:16px;min-height:60px;align-items:center}
.ctl{width:58px;height:58px;border-radius:50%;border:2px solid var(--acc);background:transparent;color:var(--acc);display:grid;place-items:center}
.ctl.main{background:var(--acc);color:var(--bg)}
.ctl svg{width:24px;height:24px;fill:currentColor}
.count{font-size:15px;color:var(--sub);text-align:center}
.count b{color:var(--ink);font-size:20px;margin:0 4px;font-variant-numeric:tabular-nums}
.dots{display:flex;gap:7px;justify-content:center;margin-top:8px}
.dots i{width:9px;height:9px;border-radius:50%;border:1.5px solid var(--acc)}
.dots i.on{background:var(--acc)}
.today{font-size:13px;color:var(--sub)}
.more{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);font-size:12px;color:var(--sub);text-decoration:none}
.panel{position:fixed;inset:0;background:var(--bg);overflow:auto;padding:12px 14px 40px;display:none;z-index:10}
.panel.open{display:block}
.panel .in{max-width:520px;margin:0 auto}
.panel h2{font-size:18px;margin:26px 0 10px}
.panel h2:first-of-type{margin-top:8px}
.box{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:4px 16px}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.row:last-child{border-bottom:0}
.row input[type=number]{width:74px;padding:8px;font:inherit;font-size:16px;text-align:right;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}
.row .u{color:var(--sub);font-size:13px;margin-left:6px}
a.row{color:var(--ink);text-decoration:none}
a.row::after{content:"›";color:var(--sub);font-size:20px}
.sw{appearance:none;-webkit-appearance:none;width:44px;height:26px;border-radius:99px;background:var(--track);position:relative;cursor:pointer;flex:none;margin:0;transition:background .2s}
.sw::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:left .2s}
.sw:checked{background:var(--acc)}
.sw:checked::after{left:21px}
.hint{font-size:12.5px;color:var(--sub);margin:8px 2px 0}
.btn{border:1.5px solid var(--acc);color:var(--acc);background:transparent;border-radius:8px;padding:8px 14px;font-size:14px;font-weight:600}
kbd{display:inline-block;min-width:30px;text-align:center;border:1px solid var(--line);border-bottom-width:3px;border-radius:6px;padding:2px 8px;background:var(--card);font:600 14px ui-monospace,monospace;color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:10px 0;list-style:none}
.chips a{display:block;border:1px solid var(--line);border-radius:99px;padding:6px 14px;text-decoration:none;color:var(--ink);background:var(--card);font-size:14px;font-variant-numeric:tabular-nums}
.chips a:hover,.chips a[aria-current]{border-color:var(--acc);color:var(--acc)}
article.doc{max-width:720px;margin:0 auto;padding:8px 20px 30px}
article.doc h1{font-size:clamp(24px,5vw,30px);line-height:1.35;margin:10px 0 8px}
article.doc h2{font-size:21px;margin:42px 0 10px;line-height:1.4}
article.doc h3{font-size:16px;margin:22px 0 4px}
article.doc p,article.doc li{line-height:1.9;font-size:16px}
article.doc ul,article.doc ol{padding-left:1.3em}
article.doc table{width:100%;border-collapse:collapse;font-size:15px;margin:8px 0}
article.doc td,article.doc th{border-bottom:1px solid var(--line);padding:9px 6px;text-align:left}
.ad{margin:34px auto;max-width:728px;text-align:center;min-height:90px}
.ad small{display:block;font-size:11px;color:var(--sub);margin-bottom:4px;letter-spacing:.1em}
footer.site{border-top:1px solid var(--line);margin-top:30px;padding:24px 20px 40px;font-size:13px;color:var(--sub);text-align:center}
footer.site nav{display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:center;margin-bottom:12px}
footer.site a{color:var(--sub)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}