/* Viscas_lab 共有スタイル */
:root{
  --blue:#3b82f6; --blue-dark:#2563eb;
  --purple:#8b5cf6; --purple-dark:#7c3aed;
  --green:#22c55e; --green-dark:#16a34a;
  --orange:#f97316; --orange-dark:#ea580c;
  --yellow:#facc15; --red:#ef4444; --pink:#ec4899;
  --ink:#1e293b; --paper:#fffdf5;
  --card:#ffffff; --line:#e2e8f0;
  --r:20px;
  --shadow:0 6px 18px rgba(30,41,59,.12);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Hiragino Maru Gothic ProN","Yu Gothic UI","Noto Sans JP",system-ui,sans-serif;
  background:linear-gradient(160deg,#eef2ff 0%,#fdf4ff 35%,#ecfeff 100%);
  color:var(--ink);
  min-height:100vh;
}
.wrap{max-width:1000px;margin:0 auto;padding:16px}

/* ヘッダー */
.topbar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:rgba(255,255,255,.85);backdrop-filter:blur(6px);
  padding:10px 18px;box-shadow:var(--shadow);position:sticky;top:0;z-index:50;
}
.logo{font-size:22px;font-weight:900;letter-spacing:.5px}
.logo .l1{color:var(--orange)}
.logo .l2{color:var(--blue)}
.logo .l3{color:var(--purple)}
.logo .l4{color:var(--green)}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.nickname-chip{
  background:#fff;border:2px solid var(--line);border-radius:999px;
  padding:4px 14px;font-size:14px;cursor:pointer;user-select:none;
}
.star-chip{
  background:#fff7ed;border:2px solid #fed7aa;border-radius:999px;
  padding:4px 14px;font-size:14px;color:#c2410c;font-weight:700;
}
.nav-a{
  text-decoration:none;color:var(--blue-dark);font-weight:700;font-size:15px;
  background:#eff6ff;padding:6px 12px;border-radius:999px;
}
.nav-a:hover{background:#dbeafe}

/* ボタン */
.btn{
  border:none;cursor:pointer;border-radius:999px;
  font-family:inherit;font-weight:800;
  padding:12px 26px;font-size:18px;color:#fff;
  box-shadow:0 4px 0 rgba(0,0,0,.18);transition:transform .06s;
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 rgba(0,0,0,.18)}
.btn-blue{background:var(--blue)}
.btn-purple{background:var(--purple)}
.btn-green{background:var(--green)}
.btn-orange{background:var(--orange)}
.btn-red{background:var(--red)}
.btn-pink{background:var(--pink)}
.btn-normal{background:#fff;color:var(--ink);border:2px solid var(--line);box-shadow:0 4px 0 var(--line)}
.btn-lg{padding:16px 34px;font-size:22px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:0 4px 0 rgba(0,0,0,.18)}

/* カード・画面 */
.screen{display:none}
.screen.active{display:block;animation:pop .35s ease}
@keyframes pop{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.card{
  background:var(--card);border:3px solid var(--line);border-radius:var(--r);
  padding:22px;box-shadow:var(--shadow);margin:16px 0;
}
.hero{
  text-align:center;padding:36px 20px;
  background:linear-gradient(135deg,#dbeafe,#ede9fe,#dcfce7);
  border-radius:var(--r);margin:18px 0;border:3px solid #fff;
}
.hero h1{font-size:44px;margin:6px 0;letter-spacing:1px}
.hero p{font-size:19px;margin:6px 0}
.big-emoji{font-size:64px;line-height:1}
.tagline{font-size:17px;color:#475569;font-weight:600}

h1.sec{font-size:26px;margin:8px 0}
h2.sub{font-size:20px;margin:6px 0}
.furigana{font-size:.6em;color:#64748b;font-weight:600}

/* コースカード（ホーム） */
.course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin:18px 0}
.course{
  background:#fff;border-radius:var(--r);padding:20px;text-align:center;
  border:3px solid var(--line);cursor:pointer;text-decoration:none;color:inherit;
  box-shadow:var(--shadow);transition:transform .12s;
  display:flex;flex-direction:column;gap:8px;
}
.course:hover{transform:translateY(-5px) scale(1.02)}
.course .ce{font-size:52px}
.course .cn{font-weight:900;font-size:20px}
.course .cd{font-size:14px;color:#475569}
.course .prog{height:12px;background:#eef2f7;border-radius:999px;overflow:hidden}
.course .prog>i{display:block;height:100%;background:var(--grad,var(--green));border-radius:999px;transition:width .4s}
.course-english{--grad:linear-gradient(90deg,#3b82f6,#8b5cf6)}
.course-program{--grad:linear-gradient(90deg,#8b5cf6,#ec4899)}
.course-ubuntu{--grad:linear-gradient(90deg,#f97316,#facc15)}
.course-ai{--grad:linear-gradient(90deg,#22c55e,#059669)}

/* レッスンタブ */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.tab{
  border:3px solid var(--line);background:#fff;border-radius:999px;
  padding:10px 20px;font-size:17px;font-weight:800;cursor:pointer;font-family:inherit;
}
.tab.on{background:var(--blue);color:#fff;border-color:var(--blue-dark)}
.tab.done{background:#dcfce7;border-color:var(--green);color:var(--green-dark)}

/* クイズ */
.q-box{text-align:center}
.q-word{font-size:46px;font-weight:900;letter-spacing:1px}
.q-jp{font-size:20px;color:#475569;font-weight:700;margin:6px 0}
.q-mini{font-size:13px;color:#94a3b8}
.chips{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin:20px 0}
.chip{
  font-family:inherit;border:3px solid var(--line);background:#fff;border-radius:16px;
  padding:16px;font-size:20px;font-weight:800;cursor:pointer;transition:.1s;
}
.chip:hover{border-color:var(--blue);background:#eff6ff}
.chip.fx{pointer-events:none}
.chip.ok{border-color:var(--green);background:#dcfce7}
.chip.no{border-color:var(--red);background:#fee2e2}
.speak-btn{
  background:#fff;border:3px solid var(--blue);color:var(--blue-dark);
  border-radius:999px;font-size:40px;padding:6px 22px;cursor:pointer;font-family:inherit;
}
.report{font-size:22px;font-weight:900;min-height:34px;margin:10px 0}
.stars{font-size:30px;letter-spacing:4px}

/* 単語カード */
.fbox{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.flash{
  background:linear-gradient(150deg,#fff,#f1f5ff);border:3px solid var(--line);
  border-radius:16px;min-height:110px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;cursor:pointer;transition:.15s;
}
.flash:hover{border-color:var(--blue);transform:scale(1.03)}
.flash .en{font-size:24px;font-weight:900}
.flash .jp{font-size:14px;color:#64748b;visibility:hidden}
.flash.open .jp{visibility:visible}
.flash .mini{font-size:12px}

/* マッチング */
.match-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.m-list{display:flex;flex-direction:column;gap:10px}
.m-item{
  border:3px solid var(--line);background:#fff;border-radius:14px;
  padding:12px 16px;font-size:19px;font-weight:800;cursor:pointer;text-align:center;
}
.m-item.sel{border-color:var(--blue);background:#eff6ff;transform:scale(1.03)}
.m-item.done{border-color:var(--green);background:#dcfce7;cursor:default;pointer-events:none}

/* プログラミングコース */
.pg-board{
  display:grid;gap:4px;background:#1e293b;border-radius:16px;padding:8px;
  width:fit-content;max-width:100%;
}
.pg-cell{width:56px;height:56px;border-radius:10px;display:grid;place-items:center;font-size:30px;position:relative}
.pg-cell.flat{background:#e2e8f0}
.pg-cell.wall{background:#64748b}
.pg-cell.goal{background:#fef9c3;box-shadow:inset 0 0 0 3px #facc15}
.pg-cell.start{background:#dcfce7;box-shadow:inset 0 0 0 3px #22c55e}
.pg-robot{font-size:40px;line-height:1;transition:all .18s;display:inline-block}
.pg-robot .arr{font-size:18px;display:block;text-align:center}
[data-dir="0"]{--rot:0deg}[data-dir="1"]{--rot:90deg}[data-dir="2"]{--rot:180deg}[data-dir="3"]{--rot:270deg}
.pg-cell .pg-robot{transform:rotate(var(--rot))}
.pg-palette{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0;align-items:center}
.block{
  background:var(--bc,#8b5cf6);color:#fff;border-radius:10px;font-weight:800;
  padding:8px 16px;cursor:grab;user-select:none;font-family:inherit;font-size:15px;
  box-shadow:0 3px 0 rgba(0,0,0,.2);border:none;
}
.block:active{cursor:grabbing}
.block.fwd{--bc:#3b82f6}
.block.left{--bc:#f97316}
.block.right{--bc:#ec4899}
.block.rep{--bc:#10b981}
.block.rm{background:#fff;color:var(--red);border:2px solid var(--red);box-shadow:none;cursor:pointer}
.pg-prog{
  min-height:80px;background:#0f172a;border-radius:16px;padding:12px;margin:12px 0;
  display:flex;flex-direction:column;gap:8px;align-items:flex-start;
}
.prog-row{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.prog-block{
  background:var(--bc,#8b5cf6);color:#fff;border-radius:10px;font-weight:800;
  padding:6px 14px;font-family:inherit;cursor:pointer;border:none;font-size:14px;
  box-shadow:0 3px 0 rgba(0,0,0,.2);display:inline-flex;gap:6px;align-items:center;
}
.prog-block.fwd{--bc:#3b82f6}.prog-block.left{--bc:#f97316}
.prog-block.right{--bc:#ec4899}.prog-block.rep{--bc:#10b981}
.prog-block.current{outline:3px solid var(--yellow);outline-offset:2px}
.prog-block.del{background:#fff;color:var(--red);border:2px solid var(--red);box-shadow:none;cursor:pointer}
.edit-hint{color:#ffd166;font-size:12px;font-weight:700}
.prog-info{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin:10px 0;font-size:16px}
.lv-title{font-weight:900;font-size:20px}

/* Ubuntu シミュレーター */
.desktop{
  position:relative;height:480px;border-radius:16px;overflow:hidden;
  background:linear-gradient(160deg,#7c3aed,#4f46e5 55%,#0ea5e9);border:3px solid #1e1b4b;
}
.d-icons{position:absolute;left:12px;top:12px;display:flex;flex-direction:column;gap:14px}
.d-icon{
  background:rgba(255,255,255,.92);border-radius:12px;width:100px;text-align:center;
  padding:8px 4px;cursor:pointer;font-size:13px;font-weight:800;box-shadow:0 3px 8px rgba(0,0,0,.3);
  display:flex;flex-direction:column;align-items:center;gap:4px;border:2px solid transparent;
}
.d-icon:hover{border-color:#fff;transform:scale(1.05)}
.d-icon .ic{font-size:34px;line-height:1}
.dock{
  position:absolute;bottom:12px;left:50%;transform:translateX(-50%);
  background:rgba(255,255,255,.85);border-radius:16px;padding:8px 14px;display:flex;gap:12px;
  box-shadow:0 4px 12px rgba(0,0,0,.35);
}
.dock .d-icon{background:transparent;box-shadow:none;width:auto}
.win{
  position:absolute;top:60px;left:120px;right:120px;background:#fff;border-radius:14px;
  box-shadow:0 10px 30px rgba(0,0,0,.4);overflow:hidden;display:flex;flex-direction:column;
  border:3px solid #3730a3;font-size:14px;
}
.win.mini{top:48px;left:80px;right:80px}
.win-title{
  background:#3730a3;color:#fff;padding:8px 12px;font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:space-between;cursor:move;
}
.win-close{background:#ef4444;border:none;color:#fff;border-radius:8px;padding:2px 10px;cursor:pointer;font-weight:900}
.win-body{padding:10px;min-height:120px}
.term{
  background:#0c0a1d;color:#a5f3fc;border-radius:10px;padding:10px;height:220px;overflow-y:auto;
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;line-height:1.5;
}
.term-in{background:transparent;border:none;color:#a5f3fc;font-family:inherit;font-size:14px;outline:none;width:70%}
.term-pre{white-space:pre-wrap;word-break:break-all}
.term .ok{color:#86efac}.term .err{color:#fca5a5}.term .c{color:#fbbf24}
.folder-view{border:2px solid var(--line);border-radius:10px;padding:8px;display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:8px}
.fitem{background:#eef2f7;border-radius:10px;padding:8px;text-align:center;font-size:13px;font-weight:700}
.fitem .fi{font-size:26px;line-height:1}

/* AI コース */
.chat{
  display:flex;flex-direction:column;gap:8px;min-height:260px;max-height:380px;overflow-y:auto;
  background:#eef2ff;border-radius:16px;padding:12px;border:3px solid var(--line);
}
.msg{max-width:78%;padding:10px 14px;border-radius:16px;font-size:16px;line-height:1.45;font-weight:600;white-space:pre-wrap}
.msg.bot{align-self:flex-start;background:#fff;border:2px solid var(--line);border-bottom-left-radius:4px}
.msg.me{align-self:flex-end;background:var(--purple);color:#fff;border-bottom-right-radius:4px}
.chat-form{display:flex;gap:8px;margin-top:10px}
.chat-input{
  flex:1;border:3px solid var(--line);border-radius:999px;padding:12px 18px;
  font-size:16px;font-family:inherit;outline:none;
}
.chat-input:focus{border-color:var(--purple)}
.prompt-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field label{font-weight:800;font-size:15px;display:block;margin-bottom:4px}
.field input,.field textarea{
  width:100%;border:3px solid var(--line);border-radius:12px;padding:10px;font-family:inherit;font-size:15px;outline:none;
}
.field input:focus,.field textarea:focus{border-color:var(--green)}

/* 結果画面 */
.result-card{text-align:center;padding:30px}
.badge-got{font-size:60px;animation:pulse 1s infinite alternate}
@keyframes pulse{from{transform:scale(1)}to{transform:scale(1.12)}}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:100}
@keyframes cf{to{opacity:0;transform:translateY(105vh) rotate(540deg)}}

/* モーダル */
.modal{
  position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:center;
  justify-content:center;z-index:200;
}
.modal-in{background:#fff;border-radius:var(--r);padding:26px;width:min(420px,92vw);text-align:center;box-shadow:var(--shadow)}
.modal-in input{
  width:100%;border:3px solid var(--line);border-radius:999px;padding:14px 18px;
  font-size:18px;font-family:inherit;outline:none;margin:12px 0;text-align:center;
}
.modal-in input:focus{border-color:var(--green)}

/* フィードバックバナー */
.topbar a{text-decoration:none}

.footer{text-align:center;color:#94a3b8;font-size:13px;padding:20px 0;margin-top:20px}

@media(max-width:720px){
  .pg-cell{width:44px;height:44px;font-size:24px}
  .pg-robot{font-size:30px}
  .match-cols{grid-template-columns:1fr}
  .prompt-grid{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .win{left:10px;right:10px}
}