*{box-sizing:border-box}
:root{
  --bg:#08111e;--panel:#142033;--panel2:#1d2a42;--text:#f8fafc;--muted:#9ba8bb;
  --accent:#63a7ff;--accent2:#7ce0c2;--danger:#ff7272;--gold:#ffd166;--purple:#b784ff;
}
html,body{margin:0;min-height:100%;background:linear-gradient(180deg,#07101d,#111827);color:var(--text);
font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif}
body{padding-bottom:94px}
button,input,select{font:inherit} button{cursor:pointer}
#app{max-width:760px;margin:0 auto;min-height:100vh}
.topbar{display:flex;align-items:flex-start;justify-content:space-between;padding:20px 18px 8px}
h1{font-size:24px;margin:2px 0 2px} h2{font-size:21px;margin:20px 0 12px} h3{font-size:16px;margin:18px 0 10px}.first-h3{margin-top:0}
.eyebrow,.label{font-size:11px;letter-spacing:.12em;color:#8fbef7;font-weight:800}.season-label{font-size:12px;color:#cbd5e1;margin-top:4px}
.icon-btn,.back-btn,.small-btn{border:0;background:#202c42;color:white;border-radius:12px;padding:10px 13px}.small-btn{padding:8px 10px;font-size:12px}
main{padding:0 16px}.view{display:none;animation:fade .18s ease}.view.active{display:block}
@keyframes fade{from{opacity:.45;transform:translateY(4px)}to{opacity:1;transform:none}}
.hero-card,.panel,.question-card,.term-card,.daily-status,.unlock-card,.bank-card{
  background:rgba(20,32,51,.94);border:1px solid rgba(255,255,255,.07);border-radius:20px;padding:18px;box-shadow:0 12px 28px rgba(0,0,0,.16)
}
.admin-panel{margin-top:14px}.level-row{display:flex;gap:22px;align-items:center}.big{font-size:32px;font-weight:900}.xp-box{flex:1}
.xp-head{display:flex;justify-content:space-between;font-size:12px;color:#dbeafe;margin-bottom:8px}.bar{height:11px;background:#27334a;border-radius:99px;overflow:hidden}.bar.thin{height:8px;margin:13px 0 9px}
.bar-fill{height:100%;width:0;background:linear-gradient(90deg,#62a9ff,#84f0c5);border-radius:99px;transition:width .25s}
.hero-subrow{display:flex;justify-content:space-between;margin-top:18px;color:#ffd9a8;font-size:13px}
.term-card{margin-top:14px;display:grid;grid-template-columns:1fr auto;gap:8px 12px;align-items:start}.term-card h2{margin:2px 0 4px}
.mix-grid{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.mix-item{background:#0f1929;border-radius:12px;padding:10px 7px;text-align:center}
.mix-item strong,.mix-item small{display:block}.mix-item strong{font-size:16px}.mix-item small{font-size:9px;color:var(--muted);margin-top:3px}.term-card .muted{grid-column:1/-1;margin:0}
.daily-status{padding:14px}.daily-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.reward-chip,.source-chip{font-size:10px;background:#27334a;border-radius:999px;padding:6px 9px;color:#dbeafe}
.daily-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.quest-card{border:0;border-radius:16px;padding:16px;text-align:left;color:#fff;display:flex;gap:12px;align-items:center;min-height:90px}
.quest-card.math{background:linear-gradient(135deg,#2456a6,#3279d4)}.quest-card.japanese{background:linear-gradient(135deg,#7f3d83,#b1589c)}.quest-card.done{filter:saturate(.6);opacity:.7}
.quest-card .emoji{font-size:28px}.quest-card strong,.quest-card small{display:block}.quest-card small{opacity:.85;margin-top:4px}.clear-box{margin-top:10px}.clear-message{border-radius:14px;padding:12px;background:#0f1a2b;font-size:13px;line-height:1.6}.clear-message.good{border:1px solid rgba(124,224,194,.45)}
.unlock-grid{display:grid;gap:12px}.unlock-card.locked{opacity:.55}.unlock-card.emergency{border-color:rgba(255,114,114,.18);background:linear-gradient(145deg,rgba(53,24,33,.9),rgba(20,32,51,.94))}
.unlock-top{display:flex;gap:12px;align-items:center}.unlock-icon{font-size:30px}.unlock-top strong,.unlock-top small{display:block}.unlock-top small{color:var(--muted);margin-top:4px}.unlock-bottom,.emergency-info{display:flex;justify-content:space-between;color:#cbd5e1;font-size:11px}
.request-btn,.danger-btn{width:100%;border:0;border-radius:12px;padding:12px;margin-top:12px;font-weight:900}.request-btn{background:#f3c969;color:#332200}.danger-btn{background:linear-gradient(90deg,#a82f43,#e25757);color:white}
.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 24px}.summary-card{border:0;background:#172237;color:#fff;border-radius:16px;padding:14px 10px;text-align:center}
.summary-card span,.summary-card small,.summary-card strong{display:block}.summary-card span{font-size:23px}.summary-card small{font-size:9px;color:var(--muted);margin:6px 0 3px}.summary-card strong{font-size:19px}
.quiz-head{display:flex;align-items:center;gap:12px;margin:8px 0 14px}.quiz-head>div:nth-child(2){flex:1}.quiz-head h2{margin:2px 0 0}.progress-badge,.difficulty{background:#243149;border-radius:999px;padding:8px 11px;font-size:11px;font-weight:800;color:#dbeafe}
.question-meta{display:flex;justify-content:space-between;gap:10px;align-items:center}.difficulty{display:inline-block;padding:6px 9px}.question{font-size:25px;font-weight:900;line-height:1.5;margin:18px 0 22px}
.answer-input,.select-input{width:100%;padding:14px;border-radius:14px;border:1px solid #34445f;background:#0f1727;color:#fff;outline:none}.answer-input{font-size:18px}.answer-input:focus,.select-input:focus{border-color:#62a9ff}
.primary-btn,.secondary-btn,.tool-btn,.judge-btn,.dev-grid button{width:100%;border:0;border-radius:14px;padding:15px;margin-top:12px;font-weight:900}.primary-btn{background:linear-gradient(90deg,#5f9fff,#75d7c0);color:#07101d}.secondary-btn{background:#263551;color:#fff}
.feedback{margin-top:14px;padding:14px;border-radius:14px;background:#111b2c;line-height:1.6}.feedback.good{border:1px solid rgba(132,240,197,.5)}.feedback.bad{border:1px solid rgba(255,107,107,.45)}
.hidden{display:none!important}.choices{display:grid;gap:10px;margin-bottom:12px}.choice{padding:14px;border:1px solid #34445f;border-radius:14px;background:#111b2c;color:#fff;text-align:left}.choice.selected{border-color:#62a9ff;background:#182a45}
.canvas-wrap{background:white;border-radius:16px;overflow:hidden;border:2px solid #354765;touch-action:none}#writeCanvas{display:block;width:100%;height:290px;touch-action:none}.canvas-tools{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tool-btn{background:#263551;color:#fff;padding:12px}
.handwrite-answer{font-size:36px;font-weight:900;text-align:center;padding:18px;background:#0f1727;border-radius:14px;margin-top:14px}.judge-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.judge-btn.good{background:#3aa984;color:white}.judge-btn.retry{background:#4a3041;color:#ffd8e8}
.bank-grid{display:grid;gap:12px;margin-top:12px}.bank-card.ready{border-color:rgba(255,209,102,.55)}.bank-top{display:flex;justify-content:space-between;align-items:center}.bank-amount{font-size:28px;font-weight:900;color:var(--gold)}.bank-sub{font-size:11px;color:var(--muted)}
.bank-card .bar{margin:12px 0}.bank-actions{display:grid;grid-template-columns:1fr;gap:8px}.bank-btn{width:100%;border:0;border-radius:12px;padding:12px;font-weight:900;background:#f3c969;color:#332200}.bank-btn:disabled{opacity:.4}
.request-history{display:grid;gap:10px}.request-item{background:#151f32;border-radius:15px;padding:14px;border:1px solid rgba(255,255,255,.06)}.request-item small{color:var(--muted)}

.stat-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}.stat-row:last-child{border-bottom:0}.muted{color:var(--muted);font-size:12px;line-height:1.6}.field-label{display:block;font-size:12px;font-weight:800;margin:15px 0 7px;color:#dbeafe}
.setting-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.setting-grid label{font-size:11px;color:#cbd5e1}.setting-grid input{margin-top:5px}
.dev-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.dev-grid button{margin:0;background:#243149;color:#fff}.dev-grid button.danger{background:#512a31;color:#ffd8d8}
.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(760px,100%);display:grid;grid-template-columns:repeat(5,1fr);background:rgba(8,15,27,.96);backdrop-filter:blur(12px);border-top:1px solid rgba(255,255,255,.08);padding:7px 6px max(8px,env(safe-area-inset-bottom));z-index:20}
.nav-btn{border:0;background:transparent;color:#8f9db1;padding:6px 2px}.nav-btn span,.nav-btn small{display:block}.nav-btn span{font-size:20px}.nav-btn small{font-size:10px;margin-top:3px}.nav-btn.active{color:#fff}
@media(max-width:440px){.daily-row{grid-template-columns:1fr}.mix-grid{grid-template-columns:repeat(2,1fr)}.level-row{align-items:flex-start}.question{font-size:23px}.setting-grid{grid-template-columns:1fr}}

.phase-btn{width:100%;border:0;border-radius:12px;padding:12px;margin-top:12px;font-weight:900;background:linear-gradient(90deg,#6ca7ff,#8d7dff);color:#08111e}
.phase-btn:disabled{opacity:.4}
.ticket-line{display:flex;justify-content:space-between;align-items:center;margin-top:10px;padding:10px 12px;border-radius:12px;background:#0f1929}
.ticket-count{font-size:18px;font-weight:900;color:var(--gold)}
.phase-note{font-size:11px;color:var(--muted);margin-top:8px;line-height:1.5}

/* Ver.0.5 real layered avatar */
.real-avatar-stage{
  position:relative;
  height:min(72vh,650px);
  min-height:470px;
  border-radius:24px;
  overflow:hidden;
  background:linear-gradient(180deg,#1b2e4b,#101a2c);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 18px 38px rgba(0,0,0,.28);
}
.avatar-layer{position:absolute;display:block;pointer-events:none;user-select:none}
.layer-bg{inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.layer-aura{width:78%;height:84%;left:11%;top:7%;object-fit:contain;z-index:1;opacity:.88}
.layer-base{height:86%;width:auto;max-width:76%;left:50%;bottom:3%;transform:translateX(-50%);object-fit:contain;z-index:3}
.layer-hat{width:14.8%;height:auto;left:42.6%;top:.3%;object-fit:contain;z-index:6;transform:scaleY(.57);transform-origin:50% 100%}
.layer-shield{width:19.5%;height:auto;right:21.5%;top:37.5%;object-fit:contain;z-index:5;transform:rotate(-3deg)}
.layer-sword{width:18%;height:auto;left:29%;top:27.5%;object-fit:contain;z-index:5;transform:rotate(-118deg);transform-origin:50% 82%}

.layer-pose{
  height:90%;width:auto;max-width:95%;left:50%;bottom:2%;
  transform:translateX(-50%);object-fit:contain;z-index:3;
}
.pose-sword-active .layer-shield{
  width:20%;right:15%;top:34%;transform:rotate(-2deg);
}
.pose-sword-active .layer-aura{width:84%;height:86%;left:8%;top:6%}

.layer-hand{
  height:86%;width:auto;max-width:76%;left:50%;bottom:3%;
  transform:translateX(-50%);object-fit:contain;z-index:7;
  pointer-events:none;
}
.avatar-floor{
  position:absolute;left:19%;right:19%;bottom:2.5%;height:8%;
  border-radius:50%;background:radial-gradient(ellipse,rgba(69,169,255,.36),rgba(69,169,255,0) 70%);z-index:2
}
.equipped-panel{margin-top:14px;background:#142033;border:1px solid rgba(255,255,255,.07);border-radius:20px;padding:16px}
.slot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:10px}
.slot-card{background:#0f1929;border-radius:13px;padding:10px}
.slot-card small,.slot-card span{display:block}
.slot-card small{font-size:9px;color:#8fbef7;font-weight:800;letter-spacing:.08em}
.slot-card span{font-size:12px;margin-top:4px;color:#f8fafc}
.collection-bar{height:10px;background:#27334a;border-radius:99px;overflow:hidden;margin-top:12px}
.collection-bar-fill{height:100%;width:0;background:linear-gradient(90deg,#63a7ff,#ffd166);border-radius:99px;transition:width .25s}
.inventory-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.inventory-item{background:#151f32;border:1px solid rgba(255,255,255,.07);border-radius:16px;padding:12px;overflow:hidden}
.inventory-item.locked{opacity:.48}
.inventory-thumb{height:100px;border-radius:12px;background:#0b1423;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:9px}
.inventory-thumb img{width:100%;height:100%;object-fit:contain}
.inventory-thumb .fallback-symbol{font-size:38px}
.inventory-item strong,.inventory-item small{display:block}
.inventory-item small{color:var(--muted);margin:4px 0 10px;line-height:1.4}
.equip-btn{width:100%;border:0;border-radius:10px;padding:9px;background:#2d4165;color:white;font-weight:800}
.equip-btn.equipped{background:#3b8b71}
.collection-reward{border:1px solid rgba(255,209,102,.55)!important}
@media(max-width:440px){
  .real-avatar-stage{height:520px;min-height:440px}
  .layer-base{height:85%;max-width:76%;bottom:3%}
  
.layer-pose{
  height:90%;width:auto;max-width:95%;left:50%;bottom:2%;
  transform:translateX(-50%);object-fit:contain;z-index:3;
}
.pose-sword-active .layer-shield{
  width:20%;right:15%;top:34%;transform:rotate(-2deg);
}
.pose-sword-active .layer-aura{width:84%;height:86%;left:8%;top:6%}

.layer-hand{height:85%;max-width:76%;bottom:3%}
  .layer-hat{width:14.8%;left:42.6%;top:.3%;transform:scaleY(.57)}
  .layer-shield{width:21.5%;right:18.5%;top:38.5%}
  .layer-sword{width:18%;left:27.5%;top:27.5%;transform:rotate(-118deg);transform-origin:50% 82%}
  .slot-grid{grid-template-columns:1fr 1fr}
}

/* Ver.0.6 - 3-year learning / PWA / data tools */
.brand-row{display:flex;align-items:center;gap:11px}.brand-icon{width:48px;height:48px;border-radius:13px;box-shadow:0 5px 14px rgba(0,0,0,.25)}
.scope-badge{display:inline-block;margin-top:5px;padding:5px 8px;border-radius:999px;background:#0f1929;color:#bcd8ff;font-size:10px;line-height:1.3}
.figure-wrap{margin:16px 0 4px;background:#0d1728;border:1px solid #2f4567;border-radius:16px;padding:8px;overflow:hidden}.figure-wrap svg{display:block;width:100%;max-height:230px;margin:auto}
.reading-passage{background:#0d1728;border:1px solid #304566;border-radius:16px;padding:16px;margin:16px 0;max-height:44vh;overflow:auto;line-height:1.95;font-size:14px;color:#edf5ff}.reading-passage strong{display:block;color:#ffd166;font-size:15px;margin-bottom:8px}.reading-passage p{margin:0;white-space:pre-wrap}.challenge-question{font-size:20px}
.setting-section-title{margin:4px -2px 10px;padding:9px 10px;border-left:4px solid #63a7ff;background:#0f1929;border-radius:8px;font-size:13px;font-weight:900}.setting-section-title:not(:first-child){margin-top:24px}.setting-preview{margin-top:10px;padding:11px 12px;background:#0f1929;border-radius:12px;color:#cfe4ff;font-size:12px}.setting-preview strong{color:#fff;font-size:16px}
.status-row{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.07)}.status-good{color:#7ce0c2}.data-action-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.compact-btn{margin:0;padding:12px}.file-button{display:flex;align-items:center;justify-content:center;text-align:center;border-radius:14px;padding:12px;background:#263551;color:#fff;font-weight:900;font-size:13px;cursor:pointer}.file-button input{display:none}.backup-note{margin-top:10px;font-size:11px;color:#9ba8bb;line-height:1.5}
.install-panel{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:center}.install-panel>img{width:72px;height:72px;border-radius:17px}.install-panel .secondary-btn{grid-column:1/-1}.status-pill{display:inline-block;margin-top:4px;padding:6px 9px;border-radius:999px;background:#27334a;color:#cfe4ff;font-size:10px}.status-pill.installed{background:#183b32;color:#8af0ce}
.archive-grid{display:grid;gap:9px}.archive-card{display:grid;grid-template-columns:1fr auto;background:#151f32;border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:12px}.archive-card span{color:#ffd166;font-size:12px;font-weight:800}.archive-card small{grid-column:1/-1;color:#9ba8bb;margin-top:5px}.due-mark{display:inline-block;margin-left:4px;padding:2px 5px;border-radius:5px;background:#51343a;color:#ffb2b2;font-size:9px;vertical-align:1px}.mini-share{display:block;margin-top:9px;border:0;border-radius:9px;padding:8px 10px;background:#f3c969;color:#332200;font-weight:800}
@media(max-width:440px){.brand-icon{width:42px;height:42px}.data-action-grid{grid-template-columns:1fr}.install-panel{grid-template-columns:60px 1fr}.install-panel>img{width:60px;height:60px}}

/* Ver.0.7 - staged help / question quality */
.answer-guide{
  margin:7px 2px 2px;
  color:#a9b8cd;
  font-size:11px;
  line-height:1.55;
}
.help-area{
  margin-top:14px;
  padding:12px;
  border:1px solid rgba(99,167,255,.16);
  border-radius:16px;
  background:#0e1828;
}
.help-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:8px;
}
.xp-potential{
  display:inline-block;
  padding:6px 9px;
  border-radius:999px;
  background:#17334e;
  color:#9fd2ff;
  font-size:11px;
  font-weight:900;
}
.help-rule{
  color:#8494aa;
  font-size:10px;
  text-align:right;
  line-height:1.4;
}
.help-btn{
  width:100%;
  border:1px solid rgba(99,167,255,.28);
  border-radius:12px;
  padding:11px 12px;
  margin-top:7px;
  background:#1b2b43;
  color:#fff;
  font-weight:850;
  text-align:left;
}
.help-btn small{float:right;color:#ffd166;font-size:10px}
.help-btn.thinking{border-color:rgba(183,132,255,.3);background:#27213e}
.help-panel{
  margin-top:8px;
  padding:12px 13px;
  border-left:4px solid #63a7ff;
  border-radius:9px;
  background:#132338;
  color:#dcecff;
  font-size:13px;
  line-height:1.75;
  white-space:pre-wrap;
}
.thinking-panel{border-left-color:#b784ff;background:#211b35}
.solution-panel{
  margin-top:12px;
  padding:13px 14px;
  border-radius:13px;
  border:1px solid rgba(124,224,194,.28);
  background:#102820;
  color:#dffbf3;
  font-size:13px;
  line-height:1.75;
  white-space:pre-wrap;
}
.solution-panel strong{color:#8af0ce}
@media(max-width:440px){
  .help-head{align-items:flex-start;flex-direction:column}
  .help-rule{text-align:left}
}

/* Ver.0.8b question-template QA */
.qa-panel{border-color:rgba(99,167,255,.22)}
.qa-summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}
.qa-summary-grid>div{background:#0f1929;border-radius:12px;padding:10px;text-align:center}
.qa-summary-grid small{display:block;color:#8fa2b9;font-size:9px}
.qa-summary-grid strong{display:block;font-size:20px;margin-top:3px}
.qa-result{margin-top:12px;max-height:300px;overflow:auto;white-space:pre-wrap;line-height:1.65}
.qa-ok{color:#83ebc9}
.qa-bad{color:#ff9a9a}
.qa-warn{color:#ffd166}
.pose-note{font-size:10px;color:#9fb0c6;margin-top:5px}

@media(max-width:440px){
  .layer-pose{height:88%;max-width:98%;bottom:2%}
  .pose-sword-active .layer-shield{width:21%;right:12%;top:35%}
}
.geometry-gallery{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px
}
.geometry-sample{
  border:1px solid rgba(143,196,255,.18);border-radius:14px;padding:9px;background:#0d1727
}
.geometry-sample strong{display:block;font-size:11px;color:#c9dcf5;margin-bottom:7px}
.geometry-sample svg{display:block;width:100%;height:auto;max-height:220px}
@media(max-width:520px){.geometry-gallery{grid-template-columns:1fr}}

/* iPhone trial: avatar work is intentionally deferred */
#avatarStage > img,
#avatarStage .avatar-floor{
  display:none !important;
}
#avatarStage::before{
  content:"🐱";
  position:absolute;
  left:50%;
  top:43%;
  transform:translate(-50%,-50%);
  font-size:88px;
  line-height:1;
}
#avatarStage::after{
  content:"PET SYSTEM\Aアメリカンショートヘア準備中";
  white-space:pre;
  position:absolute;
  left:50%;
  top:66%;
  transform:translateX(-50%);
  width:90%;
  text-align:center;
  font-weight:900;
  font-size:16px;
  color:#dcecff;
  letter-spacing:.04em;
}