:root{--bg: #fff9e6;--main: #ff6b6b;--sub: #4ecdc4;--accent: #ffe66d;--text: #2c3e50;--white: #ffffff;--correct: #2ecc71;--wrong: #e74c3c}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Noto Sans JP,Hiragino Kaku Gothic ProN,sans-serif;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px}.screen{display:none;width:100%;max-width:480px;animation:fadeIn .3s ease}.screen.active{display:flex;flex-direction:column;align-items:center}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.btn{font-family:Noto Sans JP,sans-serif;font-size:20px;font-weight:700;padding:14px 32px;border:none;border-radius:50px;cursor:pointer;transition:transform .15s,box-shadow .15s;box-shadow:0 4px #0003;margin:8px;min-width:160px}.btn:hover{transform:translateY(-2px);box-shadow:0 6px #0003}.btn:active{transform:translateY(2px);box-shadow:0 2px #0003}.btn-main{background:var(--main);color:var(--white)}.btn-sub{background:var(--sub);color:var(--white)}.btn-accent{background:var(--accent);color:var(--text)}.btn-outline{background:var(--white);color:var(--text);border:3px solid var(--text)}#screen-title{text-align:center;gap:24px}.title-globe{font-size:80px;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}.title-text{font-size:42px;font-weight:900;color:var(--main);text-shadow:3px 3px 0 var(--accent);line-height:1.2}.title-sub{font-size:16px;opacity:.7;margin-top:6px}.title-btns{display:flex;flex-direction:column;align-items:center;gap:4px;width:100%}#screen-stage-select{gap:16px}.stage-select-title{font-size:26px;font-weight:900;color:var(--text)}.stage-card{width:100%;background:var(--white);border-radius:20px;padding:18px 20px;display:flex;align-items:center;gap:14px;box-shadow:0 4px 12px #00000014;cursor:pointer;border:3px solid transparent;transition:transform .15s,border-color .15s,box-shadow .15s}.stage-card:hover{transform:translateY(-2px);box-shadow:0 6px 16px #00000024;border-color:var(--main)}.stage-card-num{font-family:Fredoka One,cursive;font-size:32px;color:var(--main);min-width:44px;text-align:center}.stage-card-body{flex:1}.stage-card-name{font-size:18px;font-weight:700}.stage-card-detail{font-size:13px;opacity:.6;margin-top:3px}.stage-clear-badge{background:var(--correct);color:#fff;font-size:13px;font-weight:700;padding:5px 12px;border-radius:50px;white-space:nowrap}#screen-game{gap:12px}.game-header{width:100%;background:var(--white);border-radius:16px;padding:12px 20px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 8px #00000014}.game-stage{font-size:16px;font-weight:700;color:var(--sub)}.game-progress{font-size:14px;opacity:.7;margin-top:2px}.game-score{font-family:Fredoka One,cursive;font-size:22px;color:var(--main)}.game-score span{font-size:14px;font-family:Noto Sans JP,sans-serif;font-weight:400}.btn-home{font-family:Noto Sans JP,sans-serif;font-size:12px;font-weight:700;padding:4px 10px;background:var(--white);color:var(--text);border:2px solid #ccc;border-radius:50px;cursor:pointer;opacity:.75;transition:opacity .15s,border-color .15s}.btn-home:hover{opacity:1;border-color:var(--main)}.flag-area{width:100%;background:var(--white);border-radius:24px;padding:36px;text-align:center;box-shadow:0 4px 16px #00000014}.flag-emoji{font-size:100px;display:block;line-height:1.2}.flag-emoji.bounce{animation:bounce .5s ease}@keyframes bounce{0%{transform:scale(1)}30%{transform:scale(1.5)}60%{transform:scale(.9)}80%{transform:scale(1.1)}to{transform:scale(1)}}.input-area{width:100%;display:flex;flex-direction:column;align-items:center;gap:10px}.answer-input{width:100%;font-size:22px;font-family:Noto Sans JP,sans-serif;padding:14px 20px;border:3px solid var(--sub);border-radius:50px;outline:none;text-align:center;background:var(--white);color:var(--text);transition:border-color .2s,box-shadow .2s}.answer-input:focus{border-color:var(--main);box-shadow:0 0 0 4px #ff6b6b26}.answer-input.shake{animation:shake .4s ease}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-10px)}40%{transform:translate(10px)}60%{transform:translate(-8px)}80%{transform:translate(8px)}}.feedback{width:100%;background:var(--white);border-radius:16px;padding:16px 20px;text-align:center;font-size:18px;font-weight:700;min-height:60px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #00000014}.feedback.correct{background:#d5f5e3;color:#1e8449}.feedback.wrong{background:#fadbd8;color:var(--wrong)}#screen-stage-clear{text-align:center;gap:20px}.clear-title{font-size:44px;font-weight:900;color:var(--main);animation:scaleIn .5s cubic-bezier(.175,.885,.32,1.275)}@keyframes scaleIn{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}.clear-score-label{font-size:18px;font-weight:700}.clear-score-num{font-family:Fredoka One,cursive;font-size:48px;color:var(--main);display:block}#screen-ending{text-align:center;gap:16px}.ending-title{font-size:36px;font-weight:900;color:var(--main)}.ending-total{font-family:Fredoka One,cursive;font-size:72px;color:var(--main);line-height:1}.name-input{width:100%;font-size:24px;font-family:Noto Sans JP,sans-serif;padding:12px 20px;border:3px solid var(--sub);border-radius:50px;outline:none;text-align:center;background:var(--white);color:var(--text)}.name-hint{font-size:13px;opacity:.6}.ending-btns{display:flex;gap:4px;flex-wrap:wrap;justify-content:center}#screen-ranking{gap:16px}.ranking-title{font-size:32px;font-weight:900;color:var(--main);text-align:center}.ranking-list{width:100%;list-style:none}.ranking-item{background:var(--white);border-radius:16px;padding:14px 20px;margin-bottom:10px;display:flex;align-items:center;gap:16px;box-shadow:0 2px 8px #0000000f}.rank-num{font-family:Fredoka One,cursive;font-size:28px;color:var(--main);min-width:36px;text-align:center}.rank-num.gold{color:#f1c40f}.rank-num.silver{color:#95a5a6}.rank-num.bronze{color:#cd6133}.rank-name{flex:1;font-size:18px;font-weight:700}.rank-score{font-family:Fredoka One,cursive;font-size:22px;color:var(--sub)}.ranking-empty{text-align:center;opacity:.5;font-size:16px;padding:24px}#confetti-canvas{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:100}.chara-title{width:140px;animation:charaFloat 3s ease-in-out infinite;filter:drop-shadow(0 6px 14px rgba(0,0,0,.15))}.chara-game{position:fixed;bottom:60px;right:40px;width:90px;animation:charaBob 2.5s ease-in-out infinite;pointer-events:none;z-index:50;filter:drop-shadow(0 4px 10px rgba(0,0,0,.15));display:none}@keyframes charaFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-14px)}}@keyframes charaBob{0%,to{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-10px) rotate(4deg)}}@media (max-width: 380px){.flag-emoji{font-size:80px}.title-text{font-size:32px}.btn{font-size:18px;padding:12px 24px}.answer-input{font-size:18px}}