:root{font-family:"BIZ UDPGothic","Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;color:#283c48;background:#dff7ff;font-synthesis:none;-webkit-text-size-adjust:100%}*{box-sizing:border-box}body{min-height:100vh;min-height:100dvh;margin:0;background:radial-gradient(circle at 14% 13%,#fff 0 6px,transparent 7px),linear-gradient(160deg,#f8fdff,#c9effc)}button,select,input{font:inherit}button{touch-action:manipulation}[hidden]{display:none!important}.app-shell{min-height:100vh;min-height:100dvh}.screen{width:min(100%,940px);min-height:100vh;min-height:100dvh;margin:auto;padding:max(30px,env(safe-area-inset-top)) max(20px,env(safe-area-inset-right)) max(35px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left))}.back-link{position:fixed;z-index:10;top:max(10px,env(safe-area-inset-top));left:max(10px,env(safe-area-inset-left));padding:8px 12px;border:2px solid #7eafc2;border-radius:99px;color:#365767;background:#ffffffdf;font-size:.8rem;font-weight:900;text-decoration:none}.home-screen,.result-screen{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center}.corner-voice{position:absolute;top:10px;right:15px;display:flex;align-items:center;gap:5px;color:#607582;font-size:.68rem;opacity:.75}.corner-voice select{max-width:130px;min-height:34px;border:1px solid #8db7c7;border-radius:8px;background:#ffffffcf;font-size:16px}.fishing-mark{display:flex;align-items:center;justify-content:center;gap:7px;width:240px;height:118px;margin-top:20px;border-radius:50% 50% 22px 22px;background:#71cce8;box-shadow:0 8px 0 #3ba2c5;font-size:3.1rem}.fishing-mark span{display:grid;place-items:center;width:62px;height:62px;border:3px solid #456b7a;border-radius:50%;background:#fff;font-size:2.8rem}.eyebrow{margin:22px 0 5px;color:#167597;font-weight:900;letter-spacing:.08em}h1,h2{margin:0;color:#28434f;line-height:1.15}h1{font-size:clamp(2.5rem,9vw,4.7rem)}.home-copy{margin:14px 0 22px;font-size:clamp(1rem,3vw,1.3rem);font-weight:800;line-height:1.7}fieldset{width:100%;margin:0;padding:0;border:0}legend{margin:0 auto 12px;font-weight:900}.level-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.level-card{position:relative;display:grid;place-items:center;min-height:128px;padding:11px 7px;border:3px solid #8fbccc;border-radius:22px;background:#ffffffdc;cursor:pointer}.level-card input{position:absolute;opacity:0}.level-card>span{font-size:2.4rem}.level-card small{color:#647580;font-size:.75rem}.level-card.selected{border-color:#e28b38;box-shadow:0 5px 0 #edbd80;transform:translateY(-3px)}.game-header{display:grid;grid-template-columns:58px 1fr auto;align-items:center;gap:14px}.round-button{width:54px;height:54px;border:3px solid #77a9bc;border-radius:50%;background:white;font-size:1.7rem}.game-header p{margin:0 0 4px;font-weight:900}.progress-track{height:14px;overflow:hidden;border:2px solid #6d9bad;border-radius:99px;background:white}.progress-track span{display:block;width:0;height:100%;background:#f1bf3e;transition:width .3s}.level-badge{padding:9px 12px;border-radius:99px;background:white;font-weight:900}.game-screen h2{margin-top:24px;text-align:center;font-size:clamp(1.55rem,5vw,2.2rem)}.word-card{display:grid;place-items:center;width:min(250px,70vw);min-height:160px;margin:16px auto 10px;padding:12px;border:4px solid #759dae;border-radius:28px;background:white;box-shadow:0 7px 0 #a7ccda;cursor:pointer}.word-card>span{font-size:5.2rem}.word-card>b{font-size:1.45rem}.word-card>small{margin-top:5px;color:#58717d;font-weight:800}.instruction{margin:15px 0 10px;text-align:center;font-size:clamp(1.15rem,4vw,1.55rem);font-weight:900}.model{width:max-content;margin:0 auto 10px;padding:8px 16px;border:3px dashed #e28b38;border-radius:14px;background:white;font-weight:900}.floats{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(10px,3vw,20px);position:relative;z-index:2}.float-button{position:relative;width:clamp(82px,16vw,116px);height:96px;border:0;background:transparent;cursor:pointer}.float-button span{position:relative;z-index:2;display:grid;place-items:center;width:70px;height:70px;margin:auto;border:4px solid #d24b3d;border-radius:50%;background:#fff6df;color:#303b43;font-size:2.9rem;font-weight:900;box-shadow:0 6px 0 #a9352d}.float-button i{position:absolute;left:50%;bottom:0;width:7px;height:29px;background:#e7e7e7;transform:translateX(-50%)}.float-button.wrong{opacity:.35;transform:translateY(8px)}.float-button.caught{animation:float-caught .75s ease both}.pond{position:relative;height:115px;margin:-4px auto 0;overflow:hidden;border-radius:50% 50% 0 0;background:linear-gradient(#63c8e9,#238ebd);box-shadow:inset 0 8px 0 #b9f0ff}.pond>span:not(.catch,.ripples){position:absolute;bottom:12px;font-size:2.3rem}.pond>span:nth-last-child(3){left:16%}.pond>span:nth-last-child(2){left:48%}.pond>span:last-child{right:16%}.ripples{position:absolute;inset:15px 15% auto;height:16px;border-top:3px solid #d5f7ff;border-radius:50%}.catch{position:absolute;z-index:3;left:50%;top:30px;font-size:2.5rem;transform:translate(-50%,0)}.catch-up{animation:catch-up .8s ease both}.feedback{min-height:2em;margin:15px 0 0;color:#744b16;text-align:center;font-size:1.15rem;font-weight:900}.result-screen{justify-content:center}.result-icon{font-size:clamp(4rem,14vw,7rem)}.result-screen h2{font-size:clamp(2rem,7vw,4rem)}.result-screen p:not(.eyebrow){font-weight:800}.primary-button{min-width:210px;min-height:62px;margin-top:22px;border:4px solid #1e6989;border-radius:99px;color:white;background:#2c9bc7;box-shadow:0 6px 0 #17617f;font-size:1.25rem;font-weight:900}.text-button{margin-top:18px;padding:12px;border:0;background:transparent;color:#4d6570;font-weight:800;text-decoration:underline}button:focus-visible,a:focus-visible{outline:5px solid #155fc0;outline-offset:4px}@keyframes float-caught{45%{transform:translateY(-38px) rotate(-7deg)}100%{transform:translateY(-115px) rotate(5deg);opacity:0}}@keyframes catch-up{50%{transform:translate(-50%,-55px) scale(1.15)}100%{transform:translate(-50%,-90px);opacity:0}}@media(max-width:620px){.screen{padding-top:max(20px,env(safe-area-inset-top))}.fishing-mark{margin-top:34px}.level-grid{grid-template-columns:repeat(2,1fr)}.level-card{min-height:108px}.game-header{grid-template-columns:52px 1fr}.level-badge{grid-column:1/-1;justify-self:center}.game-screen h2{margin-top:10px}.word-card{min-height:135px}.word-card>span{font-size:4.3rem}.float-button{width:76px;height:87px}.float-button span{width:62px;height:62px;font-size:2.55rem}.pond{height:100px}}@media(orientation:landscape) and (max-height:620px){.fishing-mark{display:none}.eyebrow{margin-top:4px}.home-copy{margin-block:5px 10px}.level-card{min-height:78px;grid-template-columns:auto 1fr}.level-card>span{grid-row:1/3}.game-screen h2{margin-top:5px}.word-card{grid-template-columns:auto 1fr;width:250px;min-height:82px;margin-block:5px}.word-card>span{grid-row:1/3;font-size:3.2rem}.instruction{margin-block:5px}.pond{height:70px}.feedback{margin-top:5px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.level-card.selected{transform:none}.float-button.caught{opacity:.2}.catch-up{opacity:.2}}