/* WARPIX LEARNING（仮） 見た目は「ほうがんし」：ぜんぶが マス目の ノートに のって いる */
@font-face {
  font-family: "DotGothic16";
  src: url("fonts/dotgothic16.woff2") format("woff2");
  font-display: swap;
}
:root {
  --g: 20px;
  --ink: #1c1c28; --panel: #fff; --line: #000; --paper: #fbf8ef; --rule: #cfd9e6;
  --c1: #3ee8ff; --c2: #ff8fc4; --c3: #ffd84a; --accent: #ffd84a;
  --dark: #1c1c28; --dark-ink: #fbf8ef; --muted: #5a5a78;
  --sh: 4px 4px 0 #000;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "DotGothic16", "Hiragino Kaku Gothic ProN", "Yu Gothic", monospace; font-size: 15px; line-height: 1.55; color: var(--ink);
  background: linear-gradient(var(--rule) 1px, transparent 1px) 0 0 / var(--g) var(--g), linear-gradient(90deg, var(--rule) 1px, transparent 1px) 0 0 / var(--g) var(--g), var(--paper);
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
canvas { image-rendering: pixelated; display: block; }
rt { font-size: .5em; }
:focus-visible { outline: 4px solid #2f6bff; outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

/* ---- ヘッダー・下の メニュー・フッター ---- */
.hd { display: flex; align-items: center; gap: 8px; padding: 8px 10px; background: #fff; border-bottom: 4px solid var(--line); position: sticky; top: 0; z-index: 5; }
.logo { display: flex; align-items: center; gap: 6px; font-size: 12px; white-space: nowrap; }
.hd nav { display: none; gap: 4px; margin-left: 18px; }
.hd nav a { padding: 6px 12px; border: 3px solid transparent; }
.hd nav a.cur { border-color: var(--line); background: var(--accent); }
.tools { margin-left: auto; display: flex; gap: 4px; align-items: center; font-size: 11px; }
.pill { border: 3px solid var(--line); padding: 4px 8px; background: #fff; white-space: nowrap; min-height: 32px; display: inline-flex; align-items: center; }
.pill.on { background: var(--accent); }
.pc-only { display: none; }
main { flex: 1; }
.wrap { padding: 16px 14px; max-width: 1060px; margin: 0 auto; width: 100%; }
.ft { background: var(--dark); color: #cfcfe0; font-size: 12px; padding-bottom: 64px; }
.ft .cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 12px; }
.ft h3 { font-size: 13px; font-weight: 400; margin-bottom: 4px; opacity: .75; }
.ft li { list-style: none; padding: 3px 0; }
.ft a:hover { text-decoration: underline; }
.ft .copy { margin-top: 16px; padding-top: 10px; border-top: 2px solid currentColor; display: flex; gap: 8px; align-items: center; opacity: .85; }
.bn { position: fixed; left: 0; right: 0; bottom: 0; z-index: 5; display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-top: 4px solid var(--line); }
.bn a { text-align: center; font-size: 11px; padding: 6px 0 8px; }
.bn a.cur { background: var(--accent); }
.bn canvas { margin: 0 auto 2px; }

/* ---- 部品 ---- */
section { margin-bottom: 26px; }
.s1 { --c: var(--c1); } .s2 { --c: var(--c2); } .s3 { --c: var(--c3); } .s0 { --c: #fff; }
.chip { display: inline-block; font-size: 17px; font-weight: 400; padding: 2px 12px; background: var(--c, #fff); border: 4px solid var(--line); box-shadow: var(--sh); margin-bottom: 4px; }
.sub { font-size: 13px; margin: 4px 0 10px; opacity: .85; }
.crumb { font-size: 12px; opacity: .8; margin-bottom: 6px; }
.crumb a { text-decoration: underline; }
.ttl { font-size: 20px; font-weight: 400; margin-bottom: 4px; }
.btn { display: block; width: 100%; border: 4px solid var(--line); padding: 8px 6px; text-align: center; background: #fff; box-shadow: var(--sh); font-size: 14px; min-height: 44px; }
.btn:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 #000; }
.btn.y { background: var(--accent); }
.btn[disabled] { opacity: .45; cursor: default; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.box { background: #fff; border: 4px solid var(--line); padding: 10px; }
.box h3 { font-size: 13px; font-weight: 400; margin-bottom: 6px; opacity: .8; }
.seg { display: flex; }
.seg button { flex: 1; border: 3px solid var(--line); margin-left: -3px; padding: 6px 2px; text-align: center; background: #fff; min-height: 40px; font-size: 13px; }
.seg button:first-child { margin-left: 0; }
.seg button.cur { background: var(--accent); }
.pal { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; }
.pal button { aspect-ratio: 1; border: 3px solid var(--line); }
.pal button.cur { outline: 4px solid var(--accent); outline-offset: 2px; }
.pal6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.pal6 button { border: 3px solid var(--line); padding: 6px 2px; text-align: center; font-size: 12px; background: #fff; min-height: 40px; }
.pal6 button.cur { background: var(--accent); }
.msg { min-height: 48px; margin-top: 10px; padding: 8px 10px; border: 4px solid var(--line); background: #fff; font-size: 14px; display: flex; gap: 10px; align-items: center; max-width: 560px; }
.msg.good { background: #d6f5d6; }
.msg:empty { visibility: hidden; }
.dots { display: flex; flex-wrap: wrap; gap: 3px; min-height: 12px; }
.dots i { width: 10px; height: 10px; background: var(--ink); }
.sel { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.slot { width: 48px; height: 48px; display: grid; place-items: center; font-size: 11px; background: #fff; border: 3px solid var(--line); overflow: hidden; }
.slot.cur { outline: 4px solid var(--accent); outline-offset: 1px; }
.field { width: 100%; border: 3px solid var(--line); padding: 6px 8px; background: #fff; min-height: 40px; }
.hint { font-size: 12px; opacity: .8; }
.hide { display: none !important; }

/* ---- トップ ---- */
.hero { border-bottom: 4px solid var(--line); }
.hero .wrap { display: flex; gap: 14px; align-items: center; padding-bottom: 0; }
.hero h1 { font-size: 22px; line-height: 1.25; margin-bottom: 8px; font-weight: 400; }
.hero p { font-size: 13px; margin-bottom: 10px; }
.say { font-size: 13px; padding: 6px 10px; border: 3px solid var(--line); background: #fff; display: inline-block; margin-bottom: 10px; box-shadow: var(--sh); }
.cta { display: inline-block; padding: 10px 14px; background: var(--accent); border: 4px solid var(--line); box-shadow: var(--sh); margin: 0 8px 16px 0; font-size: 15px; }
.cta.sub2 { background: #fff; }
.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.tile { display: flex; gap: 10px; align-items: center; padding: 10px; background: #fff; border: 4px solid var(--line); box-shadow: 4px 4px 0 var(--c); }
.tile:hover { transform: translate(-1px, -1px); }
.tile b { font-weight: 400; font-size: 15px; display: block; line-height: 1.2; }
.tile span { font-size: 11px; opacity: .8; line-height: 1.3; display: block; margin-top: 2px; }
.flow { display: grid; gap: 6px; }
.flow > * { background: #fff; border: 4px solid var(--line); padding: 10px; font-size: 13px; }
.flow b { font-weight: 400; font-size: 15px; display: block; }
.flow i { font-style: normal; text-align: center; background: none; border: 0; padding: 0; }
.flow i::before { content: "▼"; }
.mine { background: var(--dark); color: var(--dark-ink); border-block: 4px solid var(--line); }
.mine h2 { font-size: 17px; font-weight: 400; }
.mine .sel { margin-top: 8px; }
.mine .slot { color: var(--muted); border-color: var(--dark-ink); width: 56px; height: 56px; }
.mine .cta { margin: 0 0 0 auto; color: var(--ink); }
.news li { list-style: none; display: flex; gap: 10px; padding: 8px 0; border-bottom: 2px dashed var(--line); font-size: 13px; }
.news time { flex: none; opacity: .75; }
.grown { background: #fff; border: 4px solid var(--line); padding: 14px; font-size: 13px; }
.grown h2 { font-size: 16px; font-weight: 400; margin-bottom: 6px; }
.grown ul { margin: 6px 0 10px 1.3em; }
.grown a { text-decoration: underline; }

/* ---- なかの 画面 ---- */
.work { display: grid; gap: 14px; margin-top: 10px; }
.left { min-width: 0; }
.side { display: grid; gap: 12px; font-size: 13px; align-content: start; }
canvas.board { width: 100%; max-width: 560px; border: 4px solid var(--line); background: #fff; box-shadow: var(--sh); touch-action: none; cursor: pointer; }
.next { display: grid; gap: 8px; margin-top: 8px; }
.eq { font-size: 18px; margin-top: 12px; max-width: 560px; }
.numpad { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.numpad button { border: 4px solid var(--line); background: #fff; padding: 8px 0; font-size: 18px; box-shadow: var(--sh); min-height: 44px; }
.word { margin-top: 12px; font-size: 30px; line-height: 1.3; }
.word small { font-size: 22px; letter-spacing: 6px; display: block; min-height: 34px; }
.word u { text-decoration: none; opacity: .35; }
.word em { font-style: normal; background: var(--accent); }
.kb { display: grid; gap: 4px; margin-top: 10px; max-width: 560px; }
.kb div { display: flex; gap: 4px; justify-content: center; }
.kb button { border: 3px solid var(--line); background: #fff; flex: 0 1 9%; font-size: 13px; padding: 6px 0; min-height: 36px; }
.kb button.cur { background: var(--accent); }
.choice { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.choice button { border: 4px solid var(--line); padding: 30px 2px 6px; box-shadow: var(--sh); font-size: 12px; background: linear-gradient(var(--k) 0 26px, #fff 26px); min-height: 60px; }
.prog { min-height: 60px; }
.blk { display: flex; align-items: center; gap: 6px; border: 4px solid var(--line); padding: 4px 10px; margin-bottom: 6px; background: var(--c1); min-height: 36px; }
.blk.rep { background: var(--c3); } .blk.in { margin-left: 20px; }
.blk.now { outline: 4px solid #ff4fa3; }
.blk button { border: 3px solid var(--line); background: #fff; padding: 0 8px; margin-left: auto; min-height: 28px; }
.pad { display: grid; grid-template-columns: 1fr 1fr 2fr; gap: 8px; margin-top: 12px; max-width: 560px; }
.pad .btn { touch-action: none; user-select: none; -webkit-user-select: none; }
.pagepv { border: 4px solid var(--line); padding: 16px; box-shadow: var(--sh); max-width: 560px; display: grid; gap: 12px; }
.pagepv .part { position: relative; outline: 2px dashed #9a9ab8; outline-offset: 3px; padding: 6px; min-height: 30px; }
.pagepv.view .part { outline: 0; }
.pagepv .t { font-size: 24px; }
.pagepv .line { border-top: 4px solid currentColor; min-height: 0; padding: 0; margin: 6px 0; }
.pagepv .ops { position: absolute; right: 0; top: 0; display: flex; gap: 2px; }
.pagepv .ops button { border: 2px solid #000; background: #fff; color: #000; font-size: 11px; padding: 0 6px; min-height: 24px; }
.pagepv.view .ops { display: none; }
.tb { border: 4px solid var(--line); background: #fff; padding: 14px; max-width: 560px; box-shadow: var(--sh); text-align: center; font-size: 13px; }
.hand { display: flex; gap: 8px; justify-content: center; margin: 14px 0; flex-wrap: wrap; min-height: 112px; }
.cd { width: 76px; border: 4px solid #000; background: #fff; padding: 5px; text-align: center; box-shadow: 4px 4px 0 var(--c3); font-size: 18px; }
.cd .ds { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; margin-bottom: 4px; min-height: 62px; align-content: center; }
.cd .ds i { aspect-ratio: 1; background: #ff4fa3; }
.cd canvas { margin: 0 auto 2px; }
.cd.back { background: var(--dark); color: var(--dark-ink); display: grid; place-items: center; min-height: 104px; }
.cd.up { transform: translateY(-10px); outline: 4px solid var(--accent); }
.cd.used { opacity: .25; }

/* ---- じぶんの もの・モノに する・おみせ ---- */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 14px; font-size: 13px; }
.tabs button { border: 3px solid var(--line); padding: 4px 10px; background: #fff; min-height: 36px; }
.tabs button.cur { background: var(--accent); }
.works { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.card { background: #fff; border: 4px solid var(--line); padding: 8px; font-size: 13px; box-shadow: var(--sh); }
.card .th { background: #fff; border: 3px solid var(--line); display: grid; place-items: center; aspect-ratio: 4/3; margin-bottom: 6px; overflow: hidden; }
.card .th canvas { max-width: 90%; max-height: 90%; }
.card .acts { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; font-size: 11px; }
.card .acts > * { border: 3px solid var(--line); padding: 2px 6px; min-height: 28px; display: inline-flex; align-items: center; background: #fff; }
.card .acts > .y { background: var(--accent); }
.card.new { display: grid; place-items: center; border-style: dashed; box-shadow: none; text-align: center; min-height: 150px; }
.keep { margin-top: 16px; }
.goods { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; max-width: 560px; }
.good { background: #fff; border: 4px solid var(--line); box-shadow: var(--sh); padding: 10px 4px; text-align: center; font-size: 13px; }
.good.cur { outline: 4px solid var(--accent); outline-offset: 2px; }
.good .shape { width: 84px; height: 84px; margin: 4px auto 8px; display: grid; place-items: center; border: 4px solid #000; background: var(--bg, #fff); position: relative; }
.good .shape.round { border-radius: 50%; }
.good .shape.key { border-radius: 10px; margin-top: 18px; }
.good .shape.key::before { content: ""; position: absolute; top: -18px; left: 50%; width: 14px; height: 14px; margin-left: -11px; border: 4px solid #000; border-radius: 50%; }
.adult { background: #fff; border: 4px dashed var(--line); padding: 12px; font-size: 13px; margin-top: 16px; }
.adult h3 { font-size: 14px; font-weight: 400; margin-bottom: 4px; }
.adult ol { margin-left: 1.4em; }
.cover { aspect-ratio: 3/4; background: #fff; border: 3px solid var(--line); display: grid; place-items: center; align-content: center; gap: 6px; margin-bottom: 6px; font-size: 13px; text-align: center; }
.doc { max-width: 720px; font-size: 14px; }
.doc h2 { font-size: 17px; font-weight: 400; margin: 22px 0 6px; padding-left: 8px; border-left: 8px solid var(--c1); scroll-margin-top: 70px; }
.doc ul { margin-left: 1.3em; }
.doc p { margin-bottom: 6px; }
.doc a { text-decoration: underline; }
.kari { font-size: 12px; opacity: .75; }
#print { display: none; }

/* ---- PC ---- */
@media (min-width: 800px) {
  body { font-size: 16px; }
  .hd { padding: 10px 24px; }
  .hd nav { display: flex; }
  .logo { font-size: 15px; letter-spacing: 1px; gap: 8px; }
  .tools { font-size: 13px; gap: 8px; }
  .pc-only { display: inline-flex; }
  .bn { display: none; }
  .ft { padding-bottom: 0; }
  .wrap { padding: 28px 24px; }
  .hero .wrap { gap: 36px; padding-block: 28px; }
  .hero h1 { font-size: 40px; }
  .hero p { font-size: 16px; }
  .say { font-size: 15px; }
  .cta { margin-bottom: 0; font-size: 17px; padding: 12px 20px; }
  .tiles { grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .tile { flex-direction: column; align-items: flex-start; padding: 14px; }
  .tile b { font-size: 18px; } .tile span { font-size: 13px; }
  .chip { font-size: 20px; }
  .flow { grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: stretch; gap: 10px; }
  .flow i { align-self: center; }
  .flow i::before { content: "▶"; }
  .mine .slot { width: 64px; height: 64px; }
  .duo { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
  .ft .cols { grid-template-columns: repeat(4, 1fr); }
  .work { grid-template-columns: minmax(0, 560px) 1fr; gap: 24px; }
  .next { grid-template-columns: repeat(3, 1fr); }
  .works { grid-template-columns: repeat(4, 1fr); gap: 16px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* ---- かみに する（いんさつ） ---- */
@media print {
  body { background: #fff; }
  body.printing > *:not(#print) { display: none !important; }
  body.printing #print { display: block; text-align: center; padding-top: 10mm; }
  #print canvas { width: 150mm; height: auto; margin: 0 auto; border: 1px solid #999; }
  #print p { margin-top: 6mm; font-size: 14pt; }
  .hd, .bn, .ft, .side, .next { display: none !important; }
}