:root{--bg: oklch(97.5% .025 85);--ink: oklch(32% .06 50);--ink-soft: oklch(52% .05 50);--card: oklch(99% .008 90);--line: oklch(88% .03 80);--accent: oklch(70% .17 45);--accent-deep: oklch(56% .18 40);--nav-h: 84px;--radius-lg: 24px;--radius-md: 16px;--font: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "BIZ UDGothic", "Yu Gothic UI", sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%}body{font-family:var(--font);background:var(--bg);color:var(--ink);background-image:radial-gradient(oklch(90% .05 85 / .55) 2.5px,transparent 2.5px);background-size:34px 34px;height:100dvh;overflow:hidden;user-select:none;-webkit-user-select:none}button{font-family:inherit;color:inherit}#root{height:100%}.sky{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden;z-index:0}.sky span{position:absolute;font-size:44px;opacity:.75}.cloud{animation:drift linear infinite}.cloud.c1{top:5%;animation-duration:46s}.cloud.c2{top:16%;font-size:30px;animation-duration:64s;animation-delay:-20s}.cloud.c3{top:32%;font-size:36px;animation-duration:55s;animation-delay:-40s}@keyframes drift{0%{transform:translate(-15vw)}to{transform:translate(110vw)}}.sun{right:4%;top:2.5%;animation:sunpulse 5s ease-in-out infinite}@keyframes sunpulse{0%,to{transform:scale(1) rotate(0)}50%{transform:scale(1.12) rotate(8deg)}}.app{position:relative;z-index:1;max-width:560px;margin:0 auto;padding:10px 14px calc(var(--nav-h) + 8px);height:100%;display:flex;flex-direction:column}.app main{flex:1;min-height:0;display:flex;flex-direction:column}.app main>section{flex:1;min-height:0;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;flex-wrap:wrap;min-width:0;gap:8px;padding:2px 2px 6px}.app-title{margin:0;font-size:1.5rem;font-weight:900;letter-spacing:.06em}.rainbow{background:linear-gradient(90deg,#e64343,#db7124 12.5%,#d77b15,#d38400,#cc8d00,#c79600,#bb9700 28.12%,#b59800,#ae9905 31.25%,#9f9b22,#8e9c30 37.5%,#689e44 43.75%,#509e4c,#2e9e52 50%,#21949a,#2784d5 75%,#457fd4,#5879d3 81.25%,#746ed1 87.5%,#9c51cc);background:linear-gradient(90deg,#e64343,#db7124 12.5%,#d77b15,color(xyz 0.352 0.303 0.036),color(xyz 0.35 0.32 0.029),color(xyz 0.349 0.338 0.022) 25%,#8e9c30 37.5%,#689e44 43.75%,#509e4c,#2e9e52 50%,#21949a,#2784d5 75%,#457fd4,#5879d3 81.25%,#746ed1 87.5%,#9c51cc);-webkit-background-clip:text;background-clip:text;color:transparent}.page-title{font-size:1.3rem;font-weight:900;margin:6px 0 2px}.page-sub{color:var(--ink-soft);font-weight:700;margin:0 0 12px;font-size:.95rem}.mascot{width:64px;height:64px;border:none;background:none;padding:0;cursor:pointer;flex-shrink:0}.mascot svg{width:100%;height:100%;animation:bob 3s ease-in-out infinite}.mascot.hop svg{animation:hop .7s ease}@keyframes bob{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}@keyframes hop{0%{transform:translateY(0)}30%{transform:translateY(-18px) rotate(-6deg)}60%{transform:translateY(0)}80%{transform:translateY(-7px)}to{transform:translateY(0)}}.eye{transform-origin:center;transform-box:fill-box;animation:blink 4.2s infinite}@keyframes blink{0%,91%,to{transform:scaleY(1)}95%{transform:scaleY(.08)}}.chips{display:flex;gap:8px;margin:10px 0 14px;flex-wrap:wrap}.chip{font-weight:800;font-size:1rem;padding:10px 16px;border-radius:999px;border:3px solid var(--line);background:var(--card);color:var(--ink-soft);cursor:pointer;box-shadow:0 3px 0 var(--line)}.chip.active{background:var(--accent);border-color:var(--accent-deep);color:#fff;transform:scale(1.05);box-shadow:0 4px 0 var(--accent-deep)}.zukan{gap:6px}.zukan-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.zukan-top .page-title{margin:0}.zukan-top .chips{margin:0 0 0 auto}.row-tabs{display:flex;gap:5px}.row-tab{--h: 60;flex:1;min-width:0;min-height:44px;padding:2px 0;font-size:1.15rem;font-weight:900;border-radius:12px;border:3px solid oklch(84% .08 var(--h));background:oklch(95% .035 var(--h));color:oklch(42% .12 var(--h));cursor:pointer}.row-tab.active{background:oklch(87% .1 var(--h));color:oklch(32% .14 var(--h));outline:3px solid var(--accent);outline-offset:-1px}.row-stage{flex:1;min-height:0;display:flex;align-items:stretch;gap:8px}.page-arrow{flex-shrink:0;width:clamp(50px,7vw,72px);border-radius:var(--radius-lg);border:3px solid var(--line);background:var(--card);color:var(--accent-deep);font-size:clamp(1.4rem,4vh,2.2rem);cursor:pointer;box-shadow:0 4px 0 var(--line)}.page-arrow:active{transform:translateY(3px);box-shadow:0 1px 0 var(--line)}.row-cards{flex:1;min-width:0;min-height:0;display:grid;gap:8px;grid-auto-flow:row;grid-auto-rows:1fr;animation:popin .3s ease}.kana-cell{--h: 60;min-width:0;min-height:0;border-radius:var(--radius-md);border:3px solid oklch(82% .09 var(--h));background:oklch(94% .045 var(--h));color:oklch(40% .13 var(--h));display:flex;flex-direction:row;align-items:center;justify-content:center;gap:8%;font-weight:900;cursor:pointer;box-shadow:0 4px oklch(80% .08 var(--h));transition:transform .1s;padding:0}.kana-cell:active{transform:translateY(3px) scale(.97);box-shadow:0 1px oklch(80% .08 var(--h))}.cell-kana{font-size:clamp(1.8rem,8vh,3.4rem);line-height:1.1}.kana-cell.wide .cell-kana{font-size:clamp(1.3rem,6vh,2.6rem)}.cell-emoji{font-size:clamp(1.6rem,7vh,2.8rem);line-height:1.2}.cell-img{width:clamp(44px,9vh,96px);height:clamp(44px,9vh,96px);object-fit:cover;border-radius:50%;border:2px solid oklch(88% .06 var(--h));pointer-events:none;-webkit-user-select:none;user-select:none}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#40271273;display:grid;place-items:center;z-index:50;padding:18px;animation:fadein .2s}.modal-card{--h: 60;width:min(92vw,420px);background:var(--card);border-radius:var(--radius-lg);border:4px solid oklch(80% .1 var(--h));padding:22px 18px;text-align:center;animation:popin .35s cubic-bezier(.34,1.56,.64,1);box-shadow:0 10px oklch(78% .09 var(--h))}.detail-kana{font-size:clamp(4.4rem,22vw,6.4rem);font-weight:900;line-height:1.05;color:oklch(45% .16 var(--h));text-shadow:3px 3px 0 oklch(90% .05 var(--h))}.detail-emoji{font-size:clamp(3.2rem,17vw,4.6rem);margin:6px 0;line-height:1.2}.detail-img{width:min(48vw,190px);aspect-ratio:1;object-fit:cover;border-radius:20px;border:3px solid oklch(85% .07 var(--h));box-shadow:0 4px oklch(85% .06 var(--h));background:#fff}.bounce{display:inline-block;animation:bounce 1.6s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0)}40%{transform:translateY(-14px) rotate(-4deg)}60%{transform:translateY(-8px) rotate(3deg)}}.detail-word{font-size:1.5rem;font-weight:800;margin-bottom:14px}.cleared-emoji{font-size:4.5rem;animation:pop .5s cubic-bezier(.34,1.56,.64,1)}.btn{font-weight:800;font-size:1.05rem;border-radius:999px;padding:12px 18px;border:3px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;box-shadow:0 4px 0 var(--line);transition:transform .08s}.btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--line)}.btn.primary{background:var(--accent);border-color:var(--accent-deep);box-shadow:0 4px 0 var(--accent-deep);color:#fff}.btn.primary:active{box-shadow:0 1px 0 var(--accent-deep)}.btn.ghost{background:transparent;box-shadow:none;border-color:transparent;color:var(--ink-soft)}.btn.big{font-size:1.2rem;padding:15px 26px}.btn-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:10px 0}.nav-bar{position:fixed;left:50%;transform:translate(-50%);bottom:0;width:min(100%,560px);height:var(--nav-h);background:var(--card);border:3px solid var(--line);border-bottom:none;display:flex;align-items:stretch;z-index:40;padding:6px 8px calc(6px + env(safe-area-inset-bottom));gap:6px;border-radius:22px 22px 0 0;box-shadow:0 -8px 24px #b39a7d2e}.nav-btn{flex:1;border:none;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border-radius:16px;cursor:pointer;color:var(--ink-soft);font-weight:800;position:relative;font-size:.85rem}.nav-btn.active{background:#fae6bb;color:var(--ink)}.nav-ico{font-size:1.7rem;line-height:1}.nav-btn.active .nav-ico{animation:pop .35s}.badge{position:absolute;top:4px;right:14%;background:#ea3c3f;color:#fff;font-size:.7rem;border-radius:999px;padding:2px 7px;font-weight:900}.quiz-progress{display:flex;gap:6px;justify-content:center;margin:6px 0 4px;font-size:1.6rem}.quiz-progress .star{filter:grayscale(1) opacity(.3);transition:.3s}.quiz-progress .star.on{filter:none;transform:scale(1.15);animation:pop .4s}.quiz-listen{text-align:center;margin:10px 0 16px}.quiz-choices{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.quiz-card{--h: 60;aspect-ratio:1;border-radius:var(--radius-lg);border:4px solid oklch(82% .09 var(--h));background:oklch(94% .045 var(--h));color:oklch(40% .13 var(--h));font-weight:900;font-size:clamp(2.2rem,12vw,3.6rem);cursor:pointer;box-shadow:0 6px oklch(80% .08 var(--h));transition:transform .1s}.quiz-card:active{transform:translateY(4px) scale(.97);box-shadow:0 1px oklch(80% .08 var(--h))}.quiz-card.wide{font-size:clamp(1.4rem,8vw,2.4rem)}.quiz-card.wrong{animation:wobble .5s}@keyframes wobble{0%,to{transform:translate(0)}25%{transform:translate(-9px) rotate(-3deg)}50%{transform:translate(9px) rotate(3deg)}75%{transform:translate(-5px)}}.trace-head{--h: 60;display:flex;align-items:center;justify-content:center;gap:14px;margin:4px 0 8px}.trace-target{font-size:2.4rem;font-weight:900;color:oklch(45% .16 var(--h));line-height:1}.trace-word{font-size:1.15rem;font-weight:800;color:var(--ink-soft)}.trace-stage{position:relative;width:min(88vw,48vh,620px);aspect-ratio:1;margin:0 auto}.trace-stage canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border-radius:var(--radius-lg)}.trace-stage canvas.guide{background:var(--card);border:4px solid var(--line);box-shadow:0 6px 0 var(--line)}.trace-stage canvas.draw{touch-action:none;cursor:crosshair}.trace-done{text-align:center;font-size:1.35rem;font-weight:900;color:#098926;animation:pop .4s;margin-top:10px}.crayons{display:flex;gap:14px;justify-content:center;margin:14px 0 6px}.crayon{width:46px;height:46px;border-radius:50%;border:4px solid #fff;cursor:pointer;box-shadow:0 3px 8px #40271240;transition:transform .1s;padding:0}.crayon.sel{transform:scale(1.22);border-color:var(--ink)}.trace-chips{display:flex;gap:8px;overflow-x:auto;padding:8px 2px 14px;scrollbar-width:none}.trace-chips::-webkit-scrollbar{display:none}.kchip{--h: 60;min-width:52px;height:52px;border-radius:14px;border:3px solid oklch(82% .09 var(--h));background:oklch(94% .045 var(--h));color:oklch(40% .13 var(--h));font-size:1.35rem;font-weight:900;cursor:pointer;flex-shrink:0}.kchip.sel{outline:4px solid var(--accent);outline-offset:1px}.stamp-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:14px}.stamp{aspect-ratio:1;display:grid;place-items:center;font-size:clamp(1.8rem,8vw,2.6rem);background:var(--card);border-radius:50%;border:3px dashed var(--line)}.stamp.got{border-style:solid;border-color:#dbb970;background:#fef0d4;box-shadow:0 3px #dcc188;animation:stampin .45s cubic-bezier(.34,1.56,.64,1) backwards}@keyframes stampin{0%{transform:scale(0) rotate(-30deg);opacity:0}}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:80}.confetti-static{display:grid;place-items:center;font-size:5rem}.start-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#fff6e4ed;display:grid;place-items:center;animation:fadein .3s}.start-card{display:flex;flex-direction:column;align-items:center;gap:12px;padding:34px 44px;border-radius:var(--radius-lg);border:4px solid var(--accent-deep);background:var(--card);box-shadow:0 10px 0 var(--accent-deep);cursor:pointer;animation:popin .4s cubic-bezier(.34,1.56,.64,1)}.start-card:active{transform:translateY(6px);box-shadow:0 2px 0 var(--accent-deep)}.start-emoji{font-size:4rem;animation:bob 2s ease-in-out infinite}.start-text{font-size:1.4rem;font-weight:900;color:var(--accent-deep)}.credit{text-align:center;color:var(--ink-soft);font-size:.62rem;font-weight:700;opacity:.8;padding:4px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pulse{animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}.quiz-card.hint{animation:hinting 1.1s ease-in-out infinite;border-color:var(--accent)}@keyframes hinting{0%,to{transform:rotate(0) scale(1)}30%{transform:rotate(-2.5deg) scale(1.05)}60%{transform:rotate(2.5deg) scale(1.05)}}@keyframes pop{0%{transform:scale(.4)}60%{transform:scale(1.25)}to{transform:scale(1)}}@keyframes popin{0%{transform:scale(.6) translateY(24px);opacity:0}}@keyframes fadein{0%{opacity:0}}.voice-picker{margin-left:auto;display:flex;gap:6px}.voice-btn{display:flex;flex-direction:column;align-items:center;gap:1px;min-width:52px;padding:5px 7px 4px;border:2px solid transparent;border-radius:var(--radius-md);background:#eaf2ff;background:oklch(96% .02 260);cursor:pointer;transition:transform .15s,border-color .15s,background .15s}.voice-btn:active{transform:scale(.92)}.voice-btn.active{border-color:var(--accent);background:#d1f2d7;box-shadow:0 2px #a3c9aa}.voice-icon{width:26px;height:26px;border-radius:50%;object-fit:cover;border:2px solid oklch(88% .02 260);background:#fff;pointer-events:none}.voice-btn.active .voice-icon{border-color:var(--accent)}.voice-name{font-size:.55rem;font-weight:800;color:var(--ink-soft);white-space:nowrap}.voice-btn.active .voice-name{color:var(--ink)}@media(orientation:portrait)and (min-width:700px){.app{max-width:720px}.nav-bar{width:min(100%,720px)}.app-title{font-size:1.8rem}}@media(orientation:landscape)and (max-height:900px){:root{--nav-w: 92px}.app{max-width:960px;padding:8px 16px 16px calc(var(--nav-w) + 20px)}.app-header{padding:2px 2px 6px}.app-title{font-size:1.2rem}.nav-bar{left:0;top:0;bottom:0;transform:none;width:var(--nav-w);height:auto;flex-direction:column;align-items:stretch;justify-content:center;border:3px solid var(--line);border-left:none;border-radius:0 22px 22px 0;padding:8px calc(6px + env(safe-area-inset-left)) 8px 6px;box-shadow:8px 0 24px #b39a7d2e}.nav-btn{flex:0 0 auto;padding:8px 4px}.badge{top:2px;right:8%}.mascot{width:44px;height:44px}.voice-btn{flex-direction:row;gap:5px;padding:3px 8px;min-width:0}.voice-icon{width:20px;height:20px}.page-title{font-size:1.05rem}.chip{padding:6px 12px;font-size:.85rem;box-shadow:0 2px 0 var(--line)}.row-tab{min-height:36px;font-size:1rem;border-width:2px}.row-cards{grid-auto-flow:column;grid-auto-columns:1fr;grid-auto-rows:auto}.kana-cell{flex-direction:column;gap:2px}.cell-kana{font-size:clamp(1.5rem,13vh,3.8rem)}.kana-cell.wide .cell-kana{font-size:clamp(1.2rem,9vh,2.8rem)}.cell-img{width:clamp(36px,20vh,120px);height:clamp(36px,20vh,120px)}.cell-emoji{font-size:clamp(1.4rem,11vh,3rem)}.credit{font-size:.58rem;padding:2px 0 0}.stamp-grid{grid-template-columns:repeat(10,1fr);gap:8px;margin-top:8px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}