:root{font-family:"BIZ UDPGothic","Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;color:#403449;background:#f4edff;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 20% 20%,#fff 0 5px,transparent 6px),linear-gradient(145deg,#e8dcff,#fff3ce)}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%,960px);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 #8a75a4;border-radius:99px;color:#493a58;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 #8a75a4;border-radius:8px;background:#ffffffcf;font-size:16px}.machine-mark{display:flex;align-items:center;justify-content:center;gap:12px;width:min(90%,360px);min-height:120px;margin-top:20px;border:5px solid #6f5790;border-radius:32px;background:#9e7dca;box-shadow:0 8px 0 #5b417d;font-size:3.4rem}.machine-mark b{padding:10px;border-radius:14px;background:#fff9d9;font-size:1.6rem}.eyebrow{margin:22px 0 5px;color:#775096;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 #ad98c4;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:#7850a4;box-shadow:0 5px 0 #bca1da;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 #8a75a4;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 #755d90;border-radius:99px;background:white}.progress-track span{display:block;width:0;height:100%;background:#9a70c9;transition:width .3s}#level-badge{padding:9px 12px;border-radius:99px;background:white;font-weight:900}.game-screen h2{text-align:center;margin:18px 0}.machine{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding:20px;border:5px solid #6f5790;border-radius:34px;background:#9575bd;box-shadow:inset 0 0 0 7px #bda6d7,0 8px 0 #5b417d}.word-side{display:grid;place-items:center;min-height:210px;border-radius:25px;background:#fff}.word-side>span{font-size:5.2rem}.word{display:flex;gap:4px;font-size:clamp(2.3rem,7vw,4rem);font-weight:900}.word span{display:grid;place-items:center;min-width:1.1em;border-radius:10px}.word .changing{color:#6b388f;background:#f0d9ff;box-shadow:0 4px 0 #c9a8e1}.word .blank{border:4px dashed #70458e;color:#70458e;background:#fff6be}.magic{font-size:2.5rem;animation:pulse 1s ease-in-out infinite}.instruction{text-align:center;font-size:clamp(1.05rem,3vw,1.35rem);font-weight:900}.choices{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}.letter-choice{width:clamp(76px,15vw,110px);min-height:82px;border:4px solid #82649e;border-radius:20px;background:white;box-shadow:0 6px 0 #bca5d1;font-size:2.5rem;font-weight:900}.letter-choice.wrong{opacity:.35;transform:translateY(6px)}.letter-choice.correct{border-color:#34805a;background:#ddf4e4}.machine.transformed{animation:transformFlash .8s ease}.feedback{min-height:2em;text-align:center;color:#654179;font-size:1.15rem;font-weight:900}.result-screen{justify-content:center}.result-magic{font-size:clamp(2rem,8vw,5rem);animation:pulse 1s ease-in-out infinite}.result-screen h2{font-size:clamp(2rem,7vw,4rem)}.primary-button{min-width:210px;min-height:62px;margin-top:20px;border:4px solid #563676;border-radius:99px;color:white;background:#8659ae;box-shadow:0 6px 0 #563676;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 pulse{50%{transform:scale(1.15) rotate(5deg)}}@keyframes transformFlash{40%{filter:brightness(1.35);transform:scale(1.02)}}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}.machine{padding:12px;gap:6px}.word-side{min-height:170px}.word-side>span{font-size:4rem}.magic{font-size:1.6rem}.letter-choice{min-height:72px}}@media(orientation:landscape) and (max-height:620px){.screen{padding-top:max(14px,env(safe-area-inset-top))}.game-screen h2{margin:5px}.machine{padding:8px}.word-side{min-height:115px}.word-side>span{font-size:3rem}.instruction{margin:10px}.letter-choice{min-height:62px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.level-card.selected{transform:none}}