/* ゆあ韓国語 ふくしゅうゲーム */
:root {
  --navy: #2e4a73;
  --navy-d: #213654;
  --navy-l: #e8eef7;
  --cream: #faf7f2;
  --card: #ffffff;
  --ink: #23324a;
  --sub: #6b7891;
  --line: #e3e7ee;
  --pink: #f7a8b8;
  --pink-l: #fdeef1;
  --good: #2fa774;
  --good-l: #e3f6ec;
  --bad: #e0565b;
  --bad-l: #fdeaea;
  --gold: #ffc94d;
  --r: 18px;
  --shadow: 0 2px 0 rgba(46, 74, 115, .08), 0 6px 18px rgba(46, 74, 115, .07);
  --ko: "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Hiragino Sans", sans-serif;
  --ja: "Hiragino Maru Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, button, a { touch-action: manipulation; } /* iPhoneで連続タップしても拡大しない */
html, body { margin: 0; background: var(--cream); color: var(--ink); }
body {
  font-family: var(--ja);
  font-size: 16px; line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  min-height: 100vh; min-height: 100dvh;
}
button, input { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; padding: 0; }
a { color: var(--navy); }
#app {
  max-width: 520px; margin: 0 auto;
  padding: env(safe-area-inset-top) 16px calc(24px + env(safe-area-inset-bottom));
  min-height: 100vh; min-height: 100dvh;
}
.boot { padding: 30vh 0; text-align: center; color: var(--sub); }

/* ヘッダー */
.top { display: flex; align-items: center; gap: 10px; padding: 12px 0 8px; }
.top-title { flex: 1; font-weight: 700; color: var(--navy); font-size: 17px; text-align: center; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  font-size: 22px; color: var(--navy); text-decoration: none; background: var(--card); box-shadow: var(--shadow);
}
.logo-mark {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: var(--navy); color: #fff; font-weight: 800; font-size: 14px; letter-spacing: .02em;
  position: relative;
}
.logo-mark::after { content: ""; position: absolute; right: -3px; top: -3px; width: 10px; height: 10px; border-radius: 50%; background: var(--pink); border: 2px solid var(--cream); }

/* ホーム */
.hero {
  background: var(--navy); color: #fff; border-radius: 24px; padding: 20px 20px 18px; margin: 6px 0 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; position: relative; overflow: hidden;
}
.hero::before { content: "한"; position: absolute; right: 86px; bottom: -28px; font: 800 110px/1 var(--ko); color: rgba(255, 255, 255, .06); }
.hello { margin: 0; font: 600 14px var(--ko); color: var(--pink); }
.hero h1 { margin: 2px 0 0; font-size: 21px; line-height: 1.4; }
.streak { background: rgba(255, 255, 255, .12); border-radius: 16px; padding: 8px 12px; text-align: center; min-width: 74px; }
.streak span { display: block; font-size: 22px; line-height: 1; }
.streak b { font-size: 24px; line-height: 1.2; }
.streak small { display: block; font-size: 11px; opacity: .85; }
.streak.zero span { filter: grayscale(1); opacity: .6; }

.tabs { display: flex; gap: 6px; background: var(--navy-l); padding: 5px; border-radius: 14px; margin-bottom: 14px; }
.tab { flex: 1; text-align: center; padding: 9px 0; border-radius: 10px; text-decoration: none; color: var(--navy); font-weight: 700; font-size: 15px; }
.tab.on { background: var(--card); box-shadow: var(--shadow); }

.lesson-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.lesson-card {
  display: flex; align-items: center; gap: 12px; background: var(--card); border-radius: var(--r);
  padding: 12px 14px; text-decoration: none; color: var(--ink); box-shadow: var(--shadow);
  border: 2px solid transparent; transition: transform .08s;
}
.lesson-card:active { transform: scale(.98); }
.lc-no {
  flex: none; width: 46px; height: 46px; border-radius: 14px; background: var(--navy-l); color: var(--navy);
  display: grid; place-items: center; font-weight: 800; font-size: 20px; line-height: 1;
}
.lc-no small { font-size: 10px; font-weight: 700; margin-top: -6px; }
.lc-body { flex: 1; min-width: 0; }
.lc-ko { font: 600 15px/1.4 var(--ko); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lc-ja { font-size: 12px; color: var(--sub); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lesson-card.is-checking { opacity: .7; }
.lesson-card.soon { opacity: .55; box-shadow: none; background: #f1f1ef; }
.lesson-card.soon .lc-no { background: #e4e4e0; color: #999; }
.soon-tag { font-size: 11px; color: #999; border: 1px solid #ccc; border-radius: 99px; padding: 2px 8px; white-space: nowrap; }
.stamp {
  display: inline-block; font-size: 11px; font-weight: 800; color: #d4566f; border: 2px solid #f19aab;
  border-radius: 99px; padding: 1px 8px; transform: rotate(-8deg); background: var(--pink-l);
}
.pick-list { display: grid; gap: 12px; margin-top: 4px; }
.pick-level {
  display: block; text-align: center; text-decoration: none; background: var(--card); color: var(--navy);
  border: 2px solid var(--line); box-shadow: 0 4px 0 var(--line); border-radius: var(--r); padding: 20px 16px;
  font-size: 22px; font-weight: 800;
}
.pick-level:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--line); }
.continue {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; text-decoration: none;
  background: var(--pink-l); color: #b34a60; border: 2px solid #f6c3cd; border-radius: var(--r);
  padding: 14px 16px; margin-bottom: 14px; font-weight: 800;
}
.continue span { font-size: 16px; }
.continue b { font-size: 15px; color: var(--navy); }
.continue:active { transform: scale(.98); }
.empty { text-align: center; color: var(--sub); padding: 40px 10px; background: var(--card); border-radius: var(--r); }
.foot { text-align: center; color: var(--sub); font-size: 11px; margin-top: 28px; }

/* 課のページ */
.lesson-head { background: var(--card); border-radius: 22px; padding: 18px; box-shadow: var(--shadow); margin: 6px 0 14px; }
.lh-ko { font: 700 20px/1.45 var(--ko); color: var(--navy); }
.lh-ja { color: var(--sub); font-size: 14px; margin-top: 2px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.chip { background: var(--navy-l); color: var(--navy); border-radius: 99px; padding: 4px 10px; font-size: 12px; }
.chip b { font-family: var(--ko); }
.done-banner { margin-top: 12px; background: var(--pink-l); color: #b34a60; border-radius: 12px; padding: 8px 12px; font-size: 13px; font-weight: 700; }
.done-banner.big { font-size: 16px; text-align: center; margin: 14px 0 0; }
.big-btn {
  width: 100%; display: block; background: var(--navy); color: #fff; border-radius: 22px; padding: 20px 16px;
  box-shadow: 0 5px 0 var(--navy-d); text-align: center;
}
.big-btn span { display: block; font-size: 24px; font-weight: 800; letter-spacing: .04em; }
.big-btn small { opacity: .85; font-size: 12px; }
.big-btn:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--navy-d); }
.sec { font-size: 14px; color: var(--sub); margin: 24px 2px 10px; }
.game-list { display: grid; gap: 10px; }
.game-row {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left; background: var(--card);
  border: 2px solid var(--line); box-shadow: 0 4px 0 var(--line); border-radius: var(--r); padding: 12px 14px;
}
.game-row:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--line); }
.gr-no { width: 22px; height: 22px; border-radius: 50%; background: var(--navy); color: #fff; font-size: 12px; font-weight: 800; display: grid; place-items: center; flex: none; }
.gr-icon { font-size: 26px; flex: none; }
.gr-text { flex: 1; display: grid; }
.gr-text b { font-size: 16px; }
.gr-text small { font-size: 12px; color: var(--sub); }
.gr-best { font-size: 12px; font-weight: 700; color: var(--navy); }
.note { font-size: 12px; color: var(--sub); text-align: center; margin-top: 14px; }

/* クイズ */
.screen-quiz { display: flex; flex-direction: column; }
.quiz-top { display: flex; align-items: center; gap: 12px; padding: 14px 0 6px; }
.icon-btn.close { box-shadow: none; background: transparent; color: var(--sub); width: 32px; }
.bar { flex: 1; height: 14px; background: var(--line); border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--navy), #5277ad); border-radius: 99px; transition: width .25s; }
.combo { min-width: 44px; text-align: right; font-weight: 800; font-size: 15px; color: #e8762c; }
.combo.on { animation: pop .3s; }

.q-area { flex: 1; padding: 10px 0 40px; animation: slidein .18s ease-out; }
.q-label { font-weight: 800; font-size: 17px; margin: 6px 0 14px; color: var(--sub); }
.q-card {
  background: var(--card); border-radius: 22px; padding: 30px 16px; text-align: center; box-shadow: var(--shadow);
  margin-bottom: 18px; font-weight: 800; font-size: 28px; line-height: 1.4;
}
.q-card.ko { font-family: var(--ko); font-size: 32px; }
.q-card.small { font-size: 19px; padding: 22px 16px; }
.q-card.sentence { font: 600 21px/1.9 var(--ko); padding: 24px 14px; }
.ja-line { font: 400 13px/1.5 var(--ja); color: var(--sub); min-height: 20px; margin-top: 6px; }
.blank { display: inline-block; min-width: 72px; padding: 0 8px; margin: 0 3px; border-bottom: 3px dashed var(--navy); color: var(--sub); font-size: 16px; line-height: 1.7; }
.blank.ok { color: var(--good); border: 0; background: var(--good-l); border-radius: 8px; font-size: 21px; font-weight: 800; }
.blank.ng { color: var(--good); border: 0; background: #fff3c4; border-radius: 8px; font-size: 21px; font-weight: 800; }

.choices { display: grid; gap: 10px; }
.choices.two { grid-template-columns: 1fr 1fr; }
.choice {
  background: var(--card); border: 2px solid var(--line); box-shadow: 0 4px 0 var(--line);
  border-radius: 16px; padding: 16px 10px; font-size: 18px; font-weight: 700; text-align: center; transition: opacity .15s;
}
.choices.ko .choice { font-family: var(--ko); font-size: 21px; }
.choice:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--line); }
.choice.right { background: var(--good-l); border-color: var(--good); box-shadow: 0 4px 0 var(--good); color: #18714c; }
.choice.wrong { background: var(--bad-l); border-color: var(--bad); box-shadow: 0 4px 0 var(--bad); color: #a8363a; animation: shake .3s; }
.choice.dim { opacity: .35; }

.build-line {
  min-height: 116px; border-top: 2px solid var(--line); border-bottom: 2px solid var(--line);
  padding: 10px 0; display: flex; flex-wrap: wrap; gap: 8px; align-content: flex-start; margin-bottom: 20px;
  background: repeating-linear-gradient(transparent 0 54px, var(--line) 54px 56px);
}
.build-line.ok { border-color: var(--good); background: var(--good-l); }
.build-line.ng { border-color: var(--bad); animation: shake .3s; }
.bank { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.tile { font: 600 19px var(--ko); background: var(--card); border: 2px solid var(--line); box-shadow: 0 3px 0 var(--line); border-radius: 12px; padding: 9px 14px; }
.tile:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--line); }
.tile.in { border-color: #c8d4e6; }
.tile.used { background: var(--line); color: transparent; box-shadow: none; border-color: var(--line); pointer-events: none; }
.hint { text-align: center; font-size: 12px; color: #a3adbd; margin-top: 16px; }

/* 答え合わせの帯（自動で次へ） */
.toast {
  position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom)); transform: translate(-50%, 140%);
  width: calc(100% - 32px); max-width: 488px; border-radius: 20px; padding: 14px 16px; z-index: 6;
  display: grid; gap: 2px; transition: transform .16s ease-out; pointer-events: none;
}
.toast.show { transform: translate(-50%, 0); pointer-events: auto; }
.toast.good { background: var(--good); color: #fff; }
.toast.bad { background: #fff; color: var(--ink); border: 3px solid var(--bad); box-shadow: 0 10px 30px rgba(0, 0, 0, .12); }
.toast b { font-size: 18px; }
.toast.bad b { color: var(--bad); }
.t-ko { font: 700 18px/1.45 var(--ko); }
.t-ja, .t-tip, .t-more { font-size: 13px; }
.toast.good .t-ja { opacity: .9; }
.t-more { color: var(--navy); font-family: var(--ko); }
.toast small { font-size: 11px; color: var(--sub); text-align: right; }

/* ステージ紹介 */
.stage-intro { min-height: 80vh; display: grid; place-content: center; text-align: center; gap: 6px; animation: pop .35s; }
.stage-intro small { font-weight: 800; color: var(--pink); letter-spacing: .15em; }
.si-icon { font-size: 64px; line-height: 1.2; }
.stage-intro b { font-size: 30px; color: var(--navy); }
.stage-intro p { margin: 0; color: var(--sub); }

/* 結果 */
.result { padding-top: 28px; text-align: center; }
.stars { font-size: 38px; letter-spacing: 6px; color: #dfe3ea; line-height: 1; }
.stars .on { color: var(--gold); text-shadow: 0 2px 0 #e7a92a; }
.stars span:nth-child(2) { font-size: 48px; }
.ring { --p: 0; width: 150px; height: 150px; margin: 16px auto 10px; border-radius: 50%; background: conic-gradient(var(--navy) calc(var(--p) * 1%), var(--line) 0); display: grid; place-items: center; }
.ring > div { width: 118px; height: 118px; border-radius: 50%; background: var(--cream); display: grid; place-items: center; align-content: center; }
.ring b { font-size: 44px; line-height: 1; color: var(--navy); }
.ring small { font-size: 13px; color: var(--sub); }
.stats { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.stats span { background: var(--card); border-radius: 99px; padding: 4px 12px; font-weight: 700; font-size: 14px; box-shadow: var(--shadow); }
.praise { display: flex; gap: 10px; align-items: center; text-align: left; background: var(--card); border-radius: 20px; padding: 14px 16px; box-shadow: var(--shadow); }
.praise p { margin: 0; font-weight: 700; font-size: 15px; }
.teacher { font-size: 34px; flex: none; }
.wrong-list { list-style: none; padding: 0; margin: 0; text-align: left; display: grid; gap: 8px; }
.wrong-list li { background: var(--card); border-radius: 14px; padding: 10px 14px; border-left: 4px solid var(--bad); }
.wl-ko { font: 700 16px/1.45 var(--ko); }
.wl-ja { font-size: 12px; color: var(--sub); }
.result-btns { display: grid; gap: 10px; margin-top: 20px; }

.primary, .secondary, .danger { display: block; width: 100%; text-align: center; text-decoration: none; border-radius: 16px; padding: 14px; font-size: 17px; font-weight: 800; }
.primary { background: var(--navy); color: #fff; box-shadow: 0 4px 0 var(--navy-d); }
.primary:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--navy-d); }
.secondary { background: var(--card); color: var(--navy); border: 2px solid var(--line); box-shadow: 0 3px 0 var(--line); }
.danger { background: transparent; color: var(--bad); font-size: 14px; font-weight: 700; }
.two-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* 設定シート */
.sheet-wrap { position: fixed; top: 0; right: 0; bottom: 0; left: 0; background: rgba(20, 30, 50, .4); z-index: 20; display: flex; align-items: flex-end; justify-content: center; animation: fade .15s; }
.sheet {
  width: 100%; max-width: 520px; background: var(--cream); border-radius: 24px 24px 0 0;
  padding: 20px 18px calc(18px + env(safe-area-inset-bottom)); display: grid; gap: 12px; max-height: 88vh; overflow: auto;
  animation: up .2s ease-out;
}
.sheet-wrap.center { align-items: center; padding: 20px; }
.dialog { width: 100%; max-width: 340px; background: var(--cream); border-radius: 22px; padding: 22px 18px 18px; text-align: center; animation: up .2s ease-out; }
.dialog p { margin: 0 0 16px; font-weight: 700; }
.sheet h2 { margin: 0; font-size: 18px; color: var(--navy); }
.set-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-weight: 700; font-size: 14px; }
.seg { display: flex; background: var(--navy-l); border-radius: 12px; padding: 3px; }
.seg button { padding: 7px 11px; border-radius: 9px; font-size: 13px; font-weight: 700; color: var(--navy); }
.seg button.on { background: var(--card); box-shadow: var(--shadow); }
details { background: var(--card); border-radius: 14px; padding: 10px 14px; font-size: 13px; }
summary { font-weight: 700; color: var(--navy); cursor: pointer; }
details p { margin: 8px 0 0; }
.ver { text-align: center; font-size: 11px; color: var(--sub); margin: 0; }

@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
@keyframes up { from { transform: translateY(30px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { transform: scale(.85); opacity: 0; } }
@keyframes slidein { from { transform: translateX(24px); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }