/* ===== 幹事の道具箱 shared design system ===== */
:root{
  --ai:#1b2a4a;--ai-deep:#12203c;--ai-soft:#35507e;
  --gold:#c88a3a;--gold-bright:#e0a24a;
  --paper:#f7f4ee;--card:#fff;--ink:#1a1d26;--ink-mute:#6a6f7d;--line:#e7e1d6;
  --good:#2f7d5b;--bad:#b64a3c;
  --radius:14px;
  --shadow:0 1px 2px rgba(18,32,60,.06),0 8px 24px rgba(18,32,60,.07);
  --font:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",YuGothic,"Noto Sans JP",Meiryo,system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.55;-webkit-text-size-adjust:100%}
a{color:inherit}
.app{max-width:460px;margin:0 auto;padding-bottom:40px}
.app.has-bar{padding-bottom:150px}

/* masthead */
.masthead{background:radial-gradient(120% 90% at 85% -20%,rgba(224,162,74,.22),transparent 60%),linear-gradient(180deg,var(--ai),var(--ai-deep));color:#fff;padding:22px 20px 24px;border-bottom-left-radius:20px;border-bottom-right-radius:20px}
.masthead.tool{display:flex;align-items:center;gap:12px;padding:16px 18px}
.back{color:#cdd6e6;text-decoration:none;font-size:22px;line-height:1;flex:0 0 auto}
.brand-mark{display:flex;align-items:baseline;gap:9px;font-weight:800;font-size:22px;letter-spacing:.02em}
.masthead.tool .brand-mark{font-size:18px}
.brand-mark .kan{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--gold-bright);color:var(--ai-deep);font-size:17px;font-weight:900}
.masthead.tool .kan{width:26px;height:26px;font-size:15px}
.brand-sub{margin-top:8px;font-size:12.5px;color:#cdd6e6;letter-spacing:.02em}

main{padding:16px 16px 4px;display:flex;flex-direction:column;gap:14px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
h2{font-size:14px;margin:0;letter-spacing:.02em}
.field-label{display:block;font-size:12px;color:var(--ink-mute);font-weight:600;letter-spacing:.04em;margin-bottom:8px}
.field-label.sm{margin:0}
.hint{font-size:11.5px;color:var(--ink-mute);margin:12px 0 0;line-height:1.5}

/* segmented */
.seg{display:inline-flex;background:#eef0f4;border-radius:10px;padding:3px}
.seg button{border:0;background:transparent;font-family:var(--font);font-size:12.5px;font-weight:700;color:var(--ink-mute);padding:7px 10px;border-radius:8px;cursor:pointer;transition:.15s}
.seg button.on{background:var(--ai);color:#fff;box-shadow:0 1px 3px rgba(18,32,60,.25)}

/* count control */
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.count-ctrl{display:flex;align-items:center;gap:2px}
.count-ctrl button{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:#fff;font-size:20px;font-weight:700;color:var(--ai);cursor:pointer;line-height:1}
.count-ctrl button:active{background:#f0f2f6}
.count-ctrl span{min-width:34px;text-align:center;font-weight:800;font-size:16px;font-variant-numeric:tabular-nums}

/* buttons */
.btn{border:0;border-radius:11px;padding:13px;font-family:var(--font);font-size:14px;font-weight:800;cursor:pointer;letter-spacing:.02em}
.btn.ghost{background:#eef0f4;color:var(--ai)}
.btn.line{background:#06c755;color:#fff}
.btn.primary{background:var(--ai);color:#fff}
.btn.gold{background:var(--gold-bright);color:var(--ai-deep)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.5;cursor:default}

/* settle bar */
.settle{position:fixed;left:0;right:0;bottom:0;z-index:20;max-width:460px;margin:0 auto;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line);border-top-left-radius:18px;border-top-right-radius:18px;box-shadow:0 -6px 24px rgba(18,32,60,.1);padding:12px 16px calc(12px + env(safe-area-inset-bottom))}
.settle-line{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-mute);font-weight:600}
.settle-line strong{font-size:20px;color:var(--ink);font-variant-numeric:tabular-nums;font-weight:800}
.settle-line.sub{margin-top:3px;font-size:12.5px}
.settle-line.sub b{font-variant-numeric:tabular-nums}
.ok{color:var(--good)}
.settle-actions{display:flex;gap:9px;margin-top:11px}

.toast{position:fixed;left:50%;bottom:150px;transform:translateX(-50%) translateY(10px);opacity:0;pointer-events:none;background:var(--ai-deep);color:#fff;font-size:13px;font-weight:700;padding:10px 18px;border-radius:999px;transition:.25s;z-index:40}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

footer{max-width:460px;margin:20px auto 0;padding:18px 20px 30px;color:var(--ink-mute);font-size:11.5px;line-height:1.7}
footer h3{font-size:13px;color:var(--ink);margin:0 0 6px}
footer p{margin:0 0 12px}
footer .links{display:flex;gap:14px;flex-wrap:wrap}
footer .links a{color:var(--ai-soft);text-decoration:none;font-weight:700}
.related{display:flex;flex-wrap:wrap;gap:8px;margin:2px 0 16px}
.related .rl-label{width:100%;font-size:11px;font-weight:800;color:var(--ink-mute);letter-spacing:.06em;margin-bottom:2px}
.related a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 13px;font-size:12.5px;font-weight:700;color:var(--ai);text-decoration:none;box-shadow:var(--shadow)}
.related a:active{transform:scale(.98)}

@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* ===== hub (index) ===== */
.tool-grid{display:flex;flex-direction:column;gap:12px}
.tool-card{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;text-decoration:none;transition:.15s}
.tool-card:active{transform:scale(.99)}
.tool-card .ic{flex:0 0 auto;width:48px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:24px;background:linear-gradient(135deg,rgba(224,162,74,.2),rgba(27,42,74,.08))}
.tool-card .tc-body{flex:1;min-width:0}
.tool-card .tc-title{font-weight:800;font-size:15px;margin:0 0 2px}
.tool-card .tc-desc{font-size:12px;color:var(--ink-mute);margin:0}
.tool-card .tc-go{color:var(--gold);font-size:20px;font-weight:800}
.section-label{font-size:11.5px;font-weight:800;letter-spacing:.08em;color:var(--ink-mute);margin:6px 2px 0}

/* ===== warikan ===== */
.amount-input{display:flex;align-items:center;gap:6px;border-bottom:2px solid var(--ai);padding-bottom:6px}
.amount-input .yen{font-size:26px;font-weight:800;color:var(--ai-soft)}
.amount-input input{border:0;outline:0;background:transparent;flex:1;width:100%;font-family:var(--font);font-size:38px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;min-width:0}
.rounding-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
.people{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.person{display:flex;align-items:center;gap:10px}
.kanji-btn{flex:0 0 auto;width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:16px;display:grid;place-items:center;transition:.15s;color:#c7ccd6}
.kanji-btn.on{background:var(--gold-bright);border-color:var(--gold);color:var(--ai-deep)}
.person input.name{flex:1;min-width:0;border:0;border-bottom:1px solid var(--line);background:transparent;font-family:var(--font);font-size:15px;padding:6px 2px;color:var(--ink);outline:0}
.person input.name:focus{border-bottom-color:var(--ai)}
.lvl{display:inline-flex;background:#eef0f4;border-radius:9px;padding:2px}
.lvl button{border:0;background:transparent;font-family:var(--font);font-size:12px;font-weight:700;color:var(--ink-mute);padding:6px 8px;border-radius:7px;cursor:pointer}
.lvl button.on{background:#fff;color:var(--ai);box-shadow:0 1px 2px rgba(0,0,0,.12)}
.kanji-note{flex:1;text-align:right;font-size:12px;color:var(--gold);font-weight:700}
.results{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.res{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 13px;border-radius:11px;background:#faf8f3;border:1px solid var(--line)}
.res.is-kanji{background:linear-gradient(90deg,rgba(224,162,74,.14),rgba(224,162,74,.05));border-color:var(--gold)}
.res .who{display:flex;align-items:center;gap:8px;font-weight:700;font-size:14px}
.res .tag{font-size:10.5px;font-weight:800;letter-spacing:.03em;padding:2px 7px;border-radius:999px;background:#eef0f4;color:var(--ink-mute)}
.res.is-kanji .tag{background:var(--gold);color:#fff}
.res .amt{font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--ink)}
.res .amt.neg{color:var(--good)}

/* ===== team shuffle ===== */
.names-area{width:100%;border:1px solid var(--line);border-radius:11px;font-family:var(--font);font-size:15px;padding:12px;resize:vertical;min-height:120px;outline:0;line-height:1.9;color:var(--ink)}
.names-area:focus{border-color:var(--ai)}
.mode-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}
.teams{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.team{border:1px solid var(--line);border-radius:12px;overflow:hidden;animation:pop .35s ease both}
.team-head{display:flex;align-items:center;justify-content:space-between;padding:9px 13px;color:#fff;font-weight:800;font-size:14px;background:var(--ai)}
.team-head .cnt{font-size:11.5px;font-weight:700;opacity:.85}
.team ul{list-style:none;margin:0;padding:8px 13px;display:flex;flex-wrap:wrap;gap:7px}
.team li{background:#faf8f3;border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:13.5px;font-weight:700}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}

/* ===== kaihi (会費) ===== */
.two-col{display:flex;gap:10px}
.two-col .col{flex:1}
.mini-amt{display:flex;align-items:center;gap:4px;border-bottom:2px solid var(--ai);padding-bottom:5px}
.mini-amt .yen{font-size:17px;font-weight:800;color:var(--ai-soft)}
.mini-amt input{border:0;outline:0;background:transparent;width:100%;min-width:0;font-family:var(--font);font-size:23px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.gender-row{display:flex;gap:10px;margin-top:14px}
.gender-row .g{flex:1;border:1px solid var(--line);border-radius:11px;padding:10px 12px;display:flex;align-items:center;justify-content:space-between}
.gender-row .g .lab{font-size:13px;font-weight:700;color:var(--ink-mute)}

/* ===== amida (あみだくじ) ===== */
.amida-wrap{overflow-x:auto;padding:6px 0 2px}
.amida-wrap canvas{display:block;margin:0 auto;cursor:pointer}
.amida-map{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:7px}
.amida-map li{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 13px;border-radius:10px;background:#faf8f3;border:1px solid var(--line);font-size:14px;font-weight:700}
.amida-map li .arrow{color:var(--gold);font-weight:800}
.amida-map li .to{color:var(--ai)}

/* ===== junban (順番決め) ===== */
.rank-list{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.rank{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:11px;background:#faf8f3;border:1px solid var(--line);animation:pop .35s ease both}
.rank .no{flex:0 0 auto;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-weight:900;color:#fff;background:var(--ai);font-size:14px;font-variant-numeric:tabular-nums}
.rank.top1 .no{background:var(--gold-bright);color:var(--ai-deep)}
.rank .nm{font-weight:700;font-size:15px}

/* ===== bingo ===== */
.bingo-current{text-align:center;padding:8px 0 4px}
.bingo-letter{display:block;font-size:20px;font-weight:900;color:var(--gold);letter-spacing:.1em}
.bingo-num{font-size:66px;font-weight:900;color:var(--ai);font-variant-numeric:tabular-nums;line-height:1.05}
.bingo-num.empty{font-size:22px;color:var(--ink-mute);font-weight:700}
.bingo-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:4px;margin-top:6px}
.bingo-cell{aspect-ratio:1;display:grid;place-items:center;border-radius:6px;background:#f0f2f4;color:#c0c4cc;font-size:11px;font-weight:700;font-variant-numeric:tabular-nums;transition:.15s}
.bingo-cell.hit{background:var(--ai);color:#fff}
.bingo-cell.last{background:var(--gold-bright);color:var(--ai-deep)}
.bingo-count{text-align:center;font-size:12px;color:var(--ink-mute);margin-top:10px}
.bingo-hist{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px;justify-content:center}
.bingo-hist span{background:#eef0f4;border-radius:6px;padding:3px 8px;font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}

/* ===== shukkin (出欠・集金) ===== */
.sk-head{display:grid;grid-template-columns:1fr 58px 34px;gap:8px;padding:0 12px 6px;font-size:11px;color:var(--ink-mute);font-weight:700;text-align:center}
.sk-head span:first-child{text-align:left}
.sk-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.sk-row{display:grid;grid-template-columns:1fr 58px 34px;gap:8px;align-items:center;padding:8px 12px;border-radius:11px;background:#faf8f3;border:1px solid var(--line)}
.sk-row input.name{border:0;border-bottom:1px solid var(--line);background:transparent;font-family:var(--font);font-size:14px;padding:4px 2px;color:var(--ink);outline:0;min-width:0;width:100%}
.sk-row input.name:focus{border-bottom-color:var(--ai)}
.sk-toggle{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 0;font-size:12px;font-weight:800;cursor:pointer;font-family:var(--font);color:var(--ink-mute)}
.sk-toggle.yes{background:var(--good);color:#fff;border-color:var(--good)}
.sk-toggle.no{background:#f6e6e6;color:var(--bad);border-color:#e8c9c9}
.sk-pay{width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:15px;display:grid;place-items:center;color:#c7ccd6}
.sk-pay.paid{background:var(--gold-bright);border-color:var(--gold);color:var(--ai-deep)}

/* ===== checklist ===== */
.progress{height:12px;border-radius:999px;background:#eef0f4;overflow:hidden;margin:8px 0 3px}
.progress .bar{height:100%;width:0;background:linear-gradient(90deg,var(--gold-bright),var(--ai));transition:width .35s}
.progress-label{font-size:12px;color:var(--ink-mute);font-weight:800;text-align:right;font-variant-numeric:tabular-nums}
.cl-group{margin-top:4px}
.cl-group + .cl-group{margin-top:14px}
.cl-group h3{font-size:13px;margin:0 0 8px;color:var(--ai);letter-spacing:.02em}
.cl-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.cl-item{display:flex;align-items:flex-start;gap:10px;padding:9px 12px;border-radius:10px;background:#faf8f3;border:1px solid var(--line);cursor:pointer}
.cl-item .box{flex:0 0 auto;width:22px;height:22px;border-radius:6px;border:2px solid #d6d0c4;display:grid;place-items:center;font-size:13px;color:#fff;background:#fff;transition:.15s}
.cl-item.done .box{background:var(--good);border-color:var(--good)}
.cl-item.done .txt{color:var(--ink-mute);text-decoration:line-through}
.cl-item .txt{font-size:13.5px;font-weight:600;line-height:1.45}

/* ===== kuji (くじ引き) ===== */
.kuji-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.kuji-card{aspect-ratio:3/4;border-radius:10px;border:1px solid var(--line);background:linear-gradient(160deg,#fff,#f2eee4);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;font-size:24px;position:relative;transition:.15s;user-select:none}
.kuji-card:active{transform:scale(.96)}
.kuji-card.open{cursor:default}
.kuji-card.atari{background:linear-gradient(160deg,#fff7e8,#ffe6ba);border-color:var(--gold)}
.kuji-card.hazure{background:#eef0f2;border-color:var(--line)}
.kuji-card .lab{font-size:11.5px;font-weight:800;text-align:center;padding:2px;line-height:1.3}
.kuji-card.atari .lab{color:#b5722b}
.kuji-card.hazure .lab{color:var(--ink-mute)}
.kuji-num{position:absolute;top:3px;left:6px;font-size:10px;color:#b9beca;font-weight:700;font-variant-numeric:tabular-nums}
.kuji-cfg{display:flex;gap:10px}
.kuji-cfg .col{flex:1}

/* ===== sekiji (席次表) ===== */
.seki-legend{display:flex;justify-content:space-between;font-size:11px;color:var(--ai);font-weight:800;margin:2px 2px 4px}
.seki-board{border:1px dashed var(--line);border-radius:12px;padding:10px 8px;background:#fbfaf7}
.seki-row{display:flex;gap:6px;justify-content:center}
.seki-bar{height:24px;border-radius:6px;background:linear-gradient(90deg,var(--ai-soft),var(--ai));margin:7px 0;display:flex;align-items:center;justify-content:space-between;padding:0 10px;color:#fff;font-size:10.5px;font-weight:800;letter-spacing:.08em}
.seki-seat{flex:1;max-width:110px;min-width:52px;border:1px solid var(--line);border-radius:9px;background:#fff;padding:7px 4px;text-align:center}
.seki-seat.kamiza{background:linear-gradient(160deg,#fff7e8,#ffe6ba);border-color:var(--gold)}
.seki-seat.empty{background:transparent;border-style:dashed;opacity:.5}
.seki-seat .sn{font-size:10px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums}
.seki-seat .snm{font-size:13px;font-weight:700;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.seki-people{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:9px}

/* ===== aisatsu (挨拶例文) ===== */
.rei-group{margin-top:4px}
.rei-group + .rei-group{margin-top:18px}
.rei-group h3{font-size:14px;margin:0 0 3px;color:var(--ai)}
.rei-group .desc{font-size:11.5px;color:var(--ink-mute);margin:0 0 9px;line-height:1.5}
.rei-card{border:1px solid var(--line);border-radius:11px;background:#faf8f3;padding:12px 13px;margin-bottom:8px}
.rei-card .scene{font-size:11px;font-weight:800;color:var(--gold);margin-bottom:5px;letter-spacing:.02em}
.rei-card .body{font-size:13.5px;line-height:1.65;white-space:pre-wrap}
.rei-copy{margin-top:9px;border:0;background:#eef0f4;color:var(--ai);border-radius:8px;padding:7px 13px;font-size:12px;font-weight:800;font-family:var(--font);cursor:pointer}
.rei-copy:active{transform:translateY(1px)}

/* ===== roulette ===== */
.wheel-wrap{position:relative;width:280px;height:280px;margin:6px auto 2px}
.wheel-wrap canvas{width:280px;height:280px;border-radius:50%;box-shadow:0 10px 30px rgba(18,32,60,.18),0 0 0 8px #fff,0 0 0 10px var(--line)}
.pointer{position:absolute;top:-4px;left:50%;transform:translateX(-50%);width:0;height:0;border-left:15px solid transparent;border-right:15px solid transparent;border-top:26px solid var(--gold);z-index:5;filter:drop-shadow(0 2px 2px rgba(0,0,0,.25))}
.hub-dot{position:absolute;top:50%;left:50%;width:44px;height:44px;transform:translate(-50%,-50%);border-radius:50%;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.2);display:grid;place-items:center;font-weight:900;color:var(--ai);font-size:12px;z-index:4}
.winner{text-align:center;font-size:22px;font-weight:900;color:var(--ai);margin:6px 0 0;min-height:30px}
.items-area{width:100%;border:1px solid var(--line);border-radius:11px;font-family:var(--font);font-size:15px;padding:12px;resize:vertical;min-height:110px;outline:0;line-height:1.9;color:var(--ink)}
.items-area:focus{border-color:var(--ai)}
.chip-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.chip{background:#eef0f4;border:0;border-radius:999px;padding:7px 12px;font-family:var(--font);font-size:12.5px;font-weight:700;color:var(--ai);cursor:pointer}