:root{font-family:"BIZ UDPGothic","Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;color:#35453f;background:#e9fff7;font-synthesis:none;-webkit-text-size-adjust:100%}*{box-sizing:border-box}body{min-height:100vh;min-height:100dvh;margin:0;background:linear-gradient(#dff5ff 0 44%,#bde9b4 44% 67%,#f8e6b8 67%)}button,select,input{font:inherit}button{touch-action:manipulation}[hidden]{display:none!important}.app-shell,.screen{min-height:100vh;min-height:100dvh}.screen{width:min(100%,980px);margin:auto;padding:max(30px,env(safe-area-inset-top)) max(18px,env(safe-area-inset-right)) max(30px,env(safe-area-inset-bottom)) max(18px,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 #638c78;border-radius:99px;color:#365547;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;gap:5px;align-items:center;font-size:.68rem;opacity:.72}.corner-voice select{max-width:130px;min-height:34px;border:1px solid #638c78;border-radius:8px;background:#ffffffcf;font-size:16px}.step-mark{display:flex;align-items:end;justify-content:center;gap:8px;width:min(92%,390px);min-height:125px;margin-top:20px;padding:15px;border-radius:34px;background:#77b994;box-shadow:0 8px 0 #3f7f60;font-size:3.2rem}.step-mark b{display:grid;place-items:center;width:65px;height:55px;border:4px solid #8d704a;border-radius:50%;background:#fff2c7;box-shadow:0 6px 0 #907044;font-size:2.2rem}.eyebrow{margin:22px 0 5px;color:#337355;font-weight:900;letter-spacing:.08em}h1,h2{margin:0;line-height:1.15}h1{font-size:clamp(2.7rem,9vw,5rem)}.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:10px;border:3px solid #83aa96;border-radius:22px;background:#ffffffdf;cursor:pointer}.level-card input{position:absolute;opacity:0}.level-card span{font-size:2.4rem}.level-card small{font-size:.75rem}.level-card.selected{border-color:#347b5b;box-shadow:0 5px 0 #91c1aa;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 #638c78;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 #527962;border-radius:99px;background:white}.progress-track span{display:block;width:0;height:100%;background:#55a77f;transition:width .3s}#level-badge{padding:9px 12px;border-radius:99px;background:white;font-weight:900}.game-screen h2{text-align:center;margin:14px 0 8px}.word-card{display:grid;place-items:center;min-width:190px;min-height:135px;margin:auto;border:4px solid #618a75;border-radius:25px;background:#fff;box-shadow:0 6px 0 #9fc5b0}.word-card span{font-size:4.5rem}.word-card b{font-size:1.35rem}.word-card small{color:#577064}.model,.instruction{margin:10px;text-align:center;font-weight:900}.model{min-height:1.5em;color:#41755d;font-size:1.2rem}.instruction{font-size:1.25rem}.paths{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;width:min(100%,760px);margin:auto}.sound-path{display:flex;justify-content:center;gap:7px;min-height:82px;padding:12px;border:4px solid #866e4c;border-radius:25px;background:#fff8dc;box-shadow:0 6px 0 #bca174}.sound-path span{display:grid;place-items:center;width:52px;height:52px;border:3px solid #96774f;border-radius:50%;background:#fff;font-size:1.8rem;font-weight:900}.sound-path.wrong{opacity:.35;transform:translateY(6px)}.sound-path.correct{border-color:#2f8159;background:#ddf5e7}.goal-stage{display:none;align-items:center;justify-content:center;gap:8px;min-height:90px;margin:14px auto 0;font-size:2.8rem}.goal-stage.active{display:flex}.goal-stage>div{display:flex;gap:8px}.goal-stage i{display:grid;place-items:center;width:58px;height:48px;border:3px solid #96774f;border-radius:50%;background:#fff2c7;font-size:1.6rem;font-style:normal;font-weight:900}.goal-stage i.reached{background:#fff08b;transform:translateY(-7px);box-shadow:0 7px 0 #c7a54b}.walker{transition:transform .3s}.feedback{min-height:2em;text-align:center;color:#426a56;font-size:1.15rem;font-weight:900}.result-screen{justify-content:center}.result-walk{font-size:clamp(2rem,7vw,4.5rem);animation:walkIn 1.3s ease both}.result-screen h2{font-size:clamp(2rem,7vw,4rem)}.primary-button{min-width:210px;min-height:62px;margin-top:20px;border:4px solid #285f47;border-radius:99px;color:white;background:#438b69;box-shadow:0 6px 0 #285f47;font-size:1.25rem;font-weight:900}.text-button{margin-top:18px;padding:12px;border:0;background:transparent;font-weight:800;text-decoration:underline}@keyframes walkIn{from{transform:translateX(-60vw)}to{transform:none}}button:focus-visible,a:focus-visible{outline:5px solid #175fc0;outline-offset:4px}@media(max-width:620px){.level-grid{grid-template-columns:repeat(2,1fr)}.level-card{min-height:105px}.game-header{grid-template-columns:52px 1fr}.game-header #level-badge{grid-column:1/-1;justify-self:center}.word-card{min-height:110px}.word-card span{font-size:3.5rem}.paths{grid-template-columns:1fr}.sound-path{min-height:68px;padding:7px}.sound-path span{width:46px;height:46px}.goal-stage{font-size:2.2rem}.goal-stage i{width:46px;height:42px}}@media(orientation:landscape) and (max-height:620px){.screen{padding-top:max(12px,env(safe-area-inset-top))}.game-screen h2{margin:3px}.word-card{grid-template-columns:auto auto;gap:10px;min-height:80px}.word-card span{grid-row:1/3;font-size:3rem}.model,.instruction{margin:4px}.sound-path{min-height:58px;padding:4px}.sound-path span{width:42px;height:42px}.goal-stage{margin-top:5px;min-height:60px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.level-card.selected,.goal-stage i.reached{transform:none}}