/* LPKアプリ 見た目（2026-09-24 明るい版）
   軽さのための決まり: 画像・外部フォント・ライブラリを使わない。アイコンは絵文字、動きは CSS だけ（transform/opacity）。
   動きを減らす設定の端末では動かさない（prefers-reduced-motion） */
:root{
  /* LPK Asia Up のイメージカラー（lpk.ptasip.com の定義）: 紺 #16264C／濃い紺 #1E3566／金 #C8A24B／明るい金 #E3C25B／クリーム #FBF8F1 */
  --ai:#16264C;--ai2:#1E3566;--ink:#16203A;--paper:#FBF8F1;--card:#fff;--line:#E9E3D6;--mut:#6B6F7B;--soft:#EEF1F7;
  --seal:#D14343;--leaf:#16A864;--gold:#C8A24B;--gold2:#E3C25B;--pink:#C8A24B;--violet:#1E3566;--teal:#12B5B0;
  --grad:linear-gradient(135deg,#16264C 0%,#1E3566 60%,#2B4580 100%);
  --gradgold:linear-gradient(135deg,#C8A24B 0%,#E3C25B 100%);
  --shadow:0 2px 10px rgba(22,38,76,.07);
}
*{box-sizing:border-box;margin:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font-family:-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;font-size:15px;line-height:1.5;max-width:560px;margin:0 auto;padding-bottom:84px}
a{color:var(--ai)}
header{padding:14px 16px 6px}
h1{font-size:21px;font-weight:800;letter-spacing:-.01em}
h2{font-size:15.5px;font-weight:800;margin:20px 0 6px;display:flex;align-items:center;gap:6px}
.mut{color:var(--mut)} .sm{font-size:12.5px}
main{padding:0 14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px;margin-top:10px;box-shadow:var(--shadow)}
.row{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.g3 .card{margin:0;padding:10px 10px 12px}
.stat b{display:block;font-size:18px;font-variant-numeric:tabular-nums}
.stat .ic{font-size:18px;line-height:1}
.btn{display:block;width:100%;background:var(--ai);color:#fff;font:inherit;font-weight:800;border:none;border-radius:14px;padding:14px;margin-top:12px;cursor:pointer;text-align:center;text-decoration:none;box-shadow:0 4px 12px rgba(22,38,76,.22);transition:transform .1s}
.btn:active{transform:scale(.98)}
.btn.ghost{background:#fff;color:var(--ai);border:1.5px solid var(--line);box-shadow:none}
.btn.fun{background:var(--gradgold);color:#16264C;box-shadow:0 4px 12px rgba(200,162,75,.35)}
.btn:disabled{opacity:.5}
label.f{display:block;margin-top:12px;font-size:13px;font-weight:700}
input,select,textarea{display:block;width:100%;font:inherit;font-size:16px;padding:11px 12px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:inherit;margin-top:5px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ai);box-shadow:0 0 0 3px var(--soft)}
textarea{min-height:64px;resize:vertical}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* 下のタブ */
nav.tabs{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);display:flex;justify-content:center;box-shadow:0 -2px 10px rgba(30,50,110,.05)}
nav.tabs .in{display:flex;max-width:560px;width:100%}
nav.tabs button{flex:1;position:relative;background:none;border:none;font:inherit;font-size:11.5px;padding:7px 2px 12px;color:var(--mut);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:1px}
nav.tabs button i{font-style:normal;font-size:19px;line-height:1.2;filter:grayscale(1);opacity:.7}
nav.tabs button[aria-selected=true]{color:var(--ai);font-weight:800}
nav.tabs button[aria-selected=true] i{filter:none;opacity:1;transform:translateY(-1px)}
.dot{position:absolute;top:5px;right:calc(50% - 16px);width:9px;height:9px;border-radius:50%;background:var(--seal);border:2px solid #fff}

/* 生徒の頭（グラデーション） */
.hero{background:var(--grad);color:#fff;border:none;padding:16px;box-shadow:0 8px 22px rgba(22,38,76,.28);border-bottom:3px solid var(--gold)}
.hero .mut,.hero .sm{color:rgba(255,255,255,.85)}
.hero-top{display:flex;gap:14px;align-items:center}
.ring{--p:0;--c:#E3C25B;position:relative;width:112px;height:112px;flex:0 0 auto;border-radius:50%;
  background:conic-gradient(var(--c) calc(var(--p)*1%),rgba(255,255,255,.22) 0);animation:ringin .9s ease-out both}
.ring:after{content:"";position:absolute;inset:11px;border-radius:50%;background:rgba(20,20,70,.18)}
.ring .in{position:absolute;inset:0;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.ring .in b{font-size:22px;font-weight:900;line-height:1}
.ring .in span{font-size:11px;opacity:.9}
.ring.done{--c:#F4DC8A}
@property --p{syntax:"<number>";inherits:true;initial-value:0}
@keyframes ringin{from{--p:0}}
.pill{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:800;padding:4px 10px;border-radius:99px;background:rgba(255,255,255,.2);color:#fff;white-space:nowrap}
.pills{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.hero .btn{background:var(--gradgold);color:#16264C;box-shadow:none;padding:10px;margin-top:10px}
.quick{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.quick button{font:inherit;font-size:13px;font-weight:800;padding:8px 12px;border-radius:99px;border:none;background:rgba(255,255,255,.22);color:#fff;cursor:pointer}
.quick button.on{background:var(--gold2);color:#16264C}
.card .quick button{background:var(--soft);color:var(--ai)}
.card .quick button.on{background:var(--ai);color:#fff}

/* バッジ */
.badges{display:flex;gap:8px;overflow-x:auto;padding:2px 0 4px;margin-top:8px}
.badge{flex:0 0 auto;width:74px;text-align:center;font-size:11px;color:var(--mut)}
.badge .b{width:52px;height:52px;margin:0 auto 4px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;background:#F0F2F8;filter:grayscale(1);opacity:.55}
.badge.got{color:var(--ink);font-weight:700}
.badge.got .b{filter:none;opacity:1;background:linear-gradient(135deg,#F7EBC8,#E3C25B);box-shadow:0 3px 8px rgba(200,162,75,.4);border:2px solid #C8A24B}

/* 今日のリンク */
.links{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.lnk{display:flex;gap:10px;align-items:center;padding:12px;border-radius:14px;text-decoration:none;color:var(--ink);min-height:62px;border:none;font:inherit;text-align:left;cursor:pointer;width:100%}
.lnk .ic{font-size:22px;width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:#fff;flex:0 0 auto}
.lnk b{display:block;font-size:14px}
.lnk .sm{display:block;color:var(--mut);font-size:11.5px;line-height:1.3}
.c-slide{background:#EEF1F7}.c-tes{background:#FBF1DC}.c-pr{background:#EAF5EE}.c-kirim{background:#F5EEDD}.c-materi{background:#EEF1F7}
.lnk.off{background:#F1F3F8;color:var(--mut);cursor:default}
.lnk .new-dist{font-size:10px;font-weight:800;color:#16264C;background:var(--gold2);border-radius:6px;padding:0 5px;margin-left:4px}

/* 目標の棒・一般の棒 */
.goal{height:14px;border-radius:99px;background:#E7EAF3;overflow:hidden;margin-top:10px}
.goal i{display:block;height:100%;background:linear-gradient(90deg,var(--teal),var(--leaf));border-radius:99px;transform-origin:left;animation:grow .8s ease-out both}
@keyframes grow{from{transform:scaleX(0)}}
.hbar{margin-top:10px}
.hbar .t{height:10px;background:#EDF0F6;border-radius:99px;overflow:hidden;margin-top:4px}
.hbar .t i{display:block;height:100%;border-radius:99px;transform-origin:left;animation:grow .7s ease-out both}
.stack{display:flex;height:12px;border-radius:99px;overflow:hidden;background:#E5E8E2;margin-top:4px}
.stack i{display:block;height:100%}
.chart{position:relative;display:flex;align-items:flex-end;gap:4px;height:150px;margin-top:14px;border-bottom:1px solid var(--line)}
.chart .b{flex:1;height:100%;display:flex;align-items:flex-end;background:none;border:none;padding:0;cursor:pointer}
.chart .b i{display:block;width:100%;background:linear-gradient(180deg,#2B4580,var(--ai));border-radius:6px 6px 2px 2px;transform-origin:bottom;animation:rise .7s ease-out both}
.chart .b.hit i{background:linear-gradient(180deg,#39D98A,var(--leaf))}
.chart .b.on i,.chart .b:hover i{background:linear-gradient(180deg,var(--gold2),var(--gold))}
@keyframes rise{from{transform:scaleY(0)}}
.chart.sm-chart{height:70px}
.gl{position:absolute;left:0;right:0;border-top:2px dashed var(--gold);pointer-events:none;z-index:1}
.gl span{position:absolute;left:0;top:2px;font-size:10.5px;font-weight:700;color:#8A6A1F;background:var(--card);padding:0 4px;border-radius:4px}
.axis{display:flex;gap:4px;margin-top:3px}
.axis span{flex:1;text-align:center;font-size:10px;color:var(--mut);white-space:nowrap}
.bars{display:flex;align-items:flex-end;gap:3px;height:90px;margin-top:10px}
.bars i{flex:1;background:var(--ai);border-radius:3px 3px 0 0;min-height:2px}

/* 一覧 */
.list .it{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:11px 0;border-bottom:1px solid var(--line)}
.list .it:last-child{border-bottom:none}
.it.col{flex-direction:column;align-items:stretch;gap:4px}
.mat-ic{width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:18px;flex:0 0 auto}
.chip{display:inline-block;font-size:11.5px;font-weight:800;padding:3px 9px;border-radius:99px;background:var(--soft);color:var(--ai);white-space:nowrap}
.chip.ok{background:#E3F7EC;color:#0E8A50} .chip.ng{background:#FDECEC;color:var(--seal)} .chip.wait{background:#FFF3DC;color:#A0660A}
.chip.win{background:linear-gradient(135deg,#F7EBC8,#E3C25B);color:#5A4210}
.tag{display:inline-block;font-size:10.5px;padding:1px 6px;border-radius:6px;background:var(--soft);color:var(--ai);vertical-align:1px}
.tag.m{background:#FFF3DC;color:#A0660A}
.heart{color:#D14343}
.new{display:inline-block;font-size:10.5px;font-weight:800;color:#16264C;background:var(--gold2);border-radius:6px;padding:1px 6px}
.cmt{font-size:13px;background:#F7F3E8;border-left:3px solid var(--gold);border-radius:8px;padding:6px 8px;margin-top:6px}

/* 順位 */
.rank{display:flex;align-items:center;gap:10px;padding:10px 6px;border-bottom:1px solid var(--line);color:inherit;text-decoration:none}
.rank:last-child{border-bottom:none}
.rank.me{background:var(--soft);border-radius:12px}
.rank .n{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;color:var(--ai);background:#F0F3FA;flex:0 0 auto;font-size:13.5px}
.rank .n.g1{background:linear-gradient(135deg,#F4DC8A,#C8A24B);color:#16264C}
.rank .n.g2{background:linear-gradient(135deg,#EEF1F6,#B9C1CF);color:#3D4659}
.rank .n.g3{background:linear-gradient(135deg,#FFD9BF,#E08A4E);color:#5E2F0B}
.mine{display:flex;align-items:center;gap:12px;background:var(--grad);color:#fff;border:none;border-bottom:3px solid var(--gold)}
.mine b{font-size:30px;font-weight:900}
.mine .sm{color:rgba(255,255,255,.9)}

.seg{display:flex;gap:6px;margin-top:8px;align-items:center}
.seg button{flex:1;font:inherit;font-size:13px;font-weight:700;padding:8px;border:1.5px solid var(--line);background:#fff;border-radius:99px;cursor:pointer;color:var(--mut)}
.seg button[aria-pressed=true]{background:var(--ai);border-color:var(--ai);color:#fff}
.seg select{flex:0 0 auto}
.toast{position:fixed;left:50%;bottom:92px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:99px;font-size:13.5px;max-width:92%;text-align:center;z-index:30}
.toast.err{background:var(--seal)}
.linkbtn{background:none;border:none;color:var(--seal);font:inherit;font-size:13px;cursor:pointer;padding:6px}
.dev{display:block;font-size:11.5px;color:var(--mut);background:#FFF8E6;border-bottom:1px solid #F0E2BD;padding:6px 16px}
.dev select{display:inline-block;width:auto;font-size:12px;padding:3px 6px;margin:0 0 0 4px}

/* ログイン */
body.bare header,body.bare nav.tabs{display:none}
.login{max-width:380px;margin:40px auto 0}
.login .logo{display:block;width:120px;height:auto;margin:0 auto 10px}
.login{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px 18px;box-shadow:var(--shadow)}
.btn.google{background:#fff;color:var(--ink);border:1.5px solid var(--line);display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:none}
.gmark{font-weight:900;color:#4285F4}
.or{display:flex;align-items:center;gap:8px;margin:18px 0 0;color:var(--mut);font-size:12.5px}
.or:before,.or:after{content:"";flex:1;height:1px;background:var(--line)}

/* タイマー */
.timerbar{display:flex;align-items:center;gap:10px;cursor:pointer;border-color:#FFD0DC;background:#FFF6F9}
.rec{width:10px;height:10px;border-radius:50%;background:var(--seal);animation:bl 1.2s infinite}
@keyframes bl{50%{opacity:.25}}
.center{text-align:center}
.clockring{width:200px;height:200px;margin:8px auto 4px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:conic-gradient(from 0deg,#16264C,#C8A24B,#E3C25B,#16264C);animation:spin 6s linear infinite;position:relative}
.clockring:after{content:"";position:absolute;inset:10px;border-radius:50%;background:#fff}
.clockring>div{position:relative;z-index:1;animation:spin 6s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.clock{font-size:36px;font-weight:900;font-variant-numeric:tabular-nums;color:var(--ink)}
.btn.stop{background:linear-gradient(135deg,#39D98A,var(--leaf));box-shadow:0 4px 12px rgba(22,168,100,.3)}

/* 先生・管理 */
.heat{margin-top:10px;display:flex;flex-direction:column;gap:2px}
.heat .hr{display:grid;grid-template-columns:78px repeat(var(--n),1fr);gap:2px;align-items:center;color:inherit;text-decoration:none}
.heat .hr i{display:block;height:16px;border-radius:3px}
.heat .hr em{font-style:normal;font-size:9.5px;color:var(--mut);text-align:center}
.heat .nm{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-right:4px}
.fl{color:var(--seal)}
.legend{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;font-size:11px;color:var(--mut)}
.legend span{display:flex;align-items:center;gap:3px}
.legend i{width:12px;height:12px;border-radius:3px;display:inline-block}
.wa{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.btn.wa-btn{width:auto;margin:0;padding:8px 10px;font-size:12.5px;background:#1FAF5A;box-shadow:none}
.acts{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:8px}
.acts input{flex:1;min-width:120px;margin:0;padding:7px 9px;font-size:14px}
.like,.send{font:inherit;font-size:13px;padding:7px 10px;border-radius:10px;border:1.5px solid var(--line);background:#fff;cursor:pointer}
.like{color:var(--pink)}
.adm.susp{border-color:#F5C6C6;background:#FFF8F8}
.ctab{border-collapse:collapse;width:100%;font-size:12.5px}
.ctab th{font-size:11px;color:var(--mut);font-weight:600;padding:4px}
.ctab td{padding:6px 4px;border-top:1px solid var(--line);text-align:center}
.ctab td:first-child{text-align:left}
.cs{font-weight:800}.cs.ok{color:var(--leaf)}.cs.ng{color:var(--seal)}.cs.none{color:#B8BDB5}
.items{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:8px}
.drop{border:2px dashed #C9D4F2;border-radius:14px;padding:14px;text-align:center;color:var(--mut);margin-top:10px;background:#FAFBFF}

/* お祝い */
.celebrate{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;background:rgba(20,24,60,.45);animation:fade .25s both}
.celebrate .box{background:#fff;border-radius:24px;padding:22px 20px;width:86%;max-width:360px;text-align:center;animation:pop .45s cubic-bezier(.2,1.4,.4,1) both}
.celebrate .big{font-size:54px;line-height:1}
.celebrate h3{font-size:22px;font-weight:900;margin-top:6px;color:#16264C}
.celebrate .box{border-top:5px solid var(--gold)}
.confetti{position:fixed;top:-12px;width:9px;height:14px;border-radius:2px;z-index:51;pointer-events:none;animation:fall 2.4s ease-in forwards}
@keyframes fall{to{transform:translate3d(var(--x),105vh,0) rotate(var(--r));opacity:.9}}
@keyframes pop{from{transform:scale(.6);opacity:0}}
@keyframes fade{from{opacity:0}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.confetti{display:none}}
[hidden]{display:none!important}
.brand{font-size:13px;font-weight:900;letter-spacing:.06em;color:var(--gold);margin-bottom:2px;text-align:center}
.hlogo{width:34px;height:34px;border-radius:8px;vertical-align:middle;margin-right:8px;background:#fff;border:1px solid var(--line)}
.hrow{display:flex;align-items:center;gap:0}
.demo{position:sticky;top:0;z-index:40;font-size:12.5px;font-weight:800;color:#6B4200;background:#FFE680;border-bottom:1px solid #F0C94B;padding:8px 12px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.demo a{font-weight:800;color:#6B4200;background:rgba(255,255,255,.6);border-radius:99px;padding:3px 10px;text-decoration:none}
.demo a.on{background:#6B4200;color:#fff}