:root{font-family:"BIZ UDPGothic","Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;color:#3d423e;background:#e8f6ff;font-synthesis:none;-webkit-text-size-adjust:100%}*{box-sizing:border-box}body{min-height:100vh;min-height:100dvh;margin:0;background:linear-gradient(#dff3ff 0 46%,#bde3a5 46% 70%,#dfc08a 70%)}button,select{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:30;top:max(10px,env(safe-area-inset-top));left:max(10px,env(safe-area-inset-left));padding:8px 12px;border:2px solid #638092;border-radius:99px;color:#304d5d;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 #638092;border-radius:8px;background:#ffffffcf;font-size:16px}.school-mark{display:flex;align-items:center;justify-content:center;gap:8px;width:min(95%,430px);min-height:130px;margin-top:22px;padding:14px;border-radius:38px;background:#fff8df;box-shadow:0 8px 0 #bf9d63;font-size:4rem}.school-mark i{font-size:2rem;font-style:normal;transform:rotate(-18deg)}.school-mark i:nth-child(3){transform:rotate(20deg)}.eyebrow{margin:22px 0 5px;color:#286d98;font-weight:900;letter-spacing:.08em}h1,h2{margin:0;line-height:1.15}h1{font-size:clamp(2.8rem,9vw,5.2rem)}.home-copy{margin:15px 0;font-size:clamp(1rem,3vw,1.3rem);font-weight:800;line-height:1.7}.gentle-note{font-size:.85rem;font-weight:700}.primary-button{min-width:220px;min-height:64px;margin:16px 0;border:4px solid #286342;border-radius:99px;color:#fff;background:#45a36f;box-shadow:0 7px 0 #286342;font-size:1.3rem;font-weight:900}.game-header{display:grid;grid-template-columns:58px 1fr auto;align-items:center;gap:14px}.round-button{width:54px;height:54px;border:3px solid #638092;border-radius:50%;background:#fff;font-size:1.7rem}.game-header p{margin:0 0 4px;font-weight:900}.progress-track{height:14px;overflow:hidden;border:2px solid #53798f;border-radius:99px;background:#fff}.progress-track span{display:block;width:0;height:100%;background:#45a36f;transition:width .35s}#place-badge{padding:9px 12px;border-radius:99px;background:#fff;font-weight:900}.journey{display:flex;align-items:center;gap:8px;width:min(100%,720px);margin:12px auto}.journey>span{font-size:2.2rem;transition:transform .5s}.journey-dots{display:flex;flex:1;justify-content:space-around;border-bottom:5px dashed #806944}.journey-dots i{width:18px;height:18px;margin-bottom:-11px;border:3px solid #806944;border-radius:50%;background:#fff}.journey-dots i.done{background:#ffe66d;transform:scale(1.2)}.mission-card{position:relative;width:min(100%,820px);min-height:530px;margin:auto;padding:18px 22px 24px;overflow:hidden;border:5px solid #7ba3b9;border-radius:34px;background:#fffffff0;box-shadow:0 9px 0 #8aacbd;text-align:center}.scene{margin:0;font-size:3.5rem}.mission-card h2{font-size:clamp(1.5rem,4vw,2.3rem)}.prompt{display:flex;align-items:center;justify-content:center;min-height:100px;margin:12px auto;padding:12px;border:4px solid #b69b65;border-radius:24px;background:#fff8dc;font-size:clamp(2rem,7vw,4rem);font-weight:900}.prompt .blank{display:grid;place-items:center;min-width:1.1em;border:4px dashed #39906a;border-radius:10px;background:#fff59c}.mission-instruction{font-size:1.15rem;font-weight:900}.choices{display:flex;flex-wrap:wrap;justify-content:center;gap:13px}.choice{display:grid;place-items:center;min-width:110px;min-height:102px;padding:10px;border:4px solid #8499a4;border-radius:22px;background:#fff;box-shadow:0 6px 0 #aab9c0;font-size:1.2rem;font-weight:900}.choice .emoji{font-size:3.2rem}.choice.word{min-width:150px;font-size:1.7rem}.choice.kana{min-width:82px;font-size:2.7rem}.choice.seat span{display:grid;place-items:center;width:70px;height:65px;border:5px solid #565656;border-radius:15px;color:white;font-size:2.5rem}.choice.wrong{opacity:.32;transform:translateY(6px)}.choice.correct{border-color:#2f8557;background:#dff6e7;box-shadow:0 0 0 6px #fff18a,0 6px 0 #2f8557}.hint-button{margin:18px 0 2px;padding:10px 18px;border:2px solid #718690;border-radius:99px;background:#eef7fb;font-weight:900}.feedback{min-height:2em;margin-bottom:0;color:#35634c;font-size:1.1rem;font-weight:900}.success-action{position:absolute;z-index:5;inset:0;display:none;place-items:center;background:#e9fbffdd;font-size:clamp(3rem,12vw,7rem);pointer-events:none}.success-action.active{display:grid;animation:successScene 1s ease both}.mission-card[data-mission="belonging"] .success-action.active{background:#fff6dadd}.mission-card[data-mission="gate"] .success-action.active{background:#dff5ffdf}.mission-card[data-mission="special"] .success-action.active{background:#b9eff5df}.mission-card[data-mission="shiritori"] .success-action.active{background:#f3e3bddd}.mission-card[data-mission="seat"] .success-action.active{background:#e6f2ffdf}.result-screen{justify-content:center}.arrival{font-size:clamp(3rem,10vw,6rem);animation:arrive 1.4s ease both}.result-screen h2{font-size:clamp(2.2rem,7vw,4.2rem)}.parent-button{margin-top:12px;padding:10px 16px;border:2px solid #777;border-radius:10px;background:#fff;font-weight:800}.parent-summary{width:min(100%,680px);margin:14px auto;padding:16px;border:3px solid #718690;border-radius:20px;background:#ffffffed;text-align:left}.parent-summary h3{text-align:center}.summary-row{display:grid;grid-template-columns:1fr auto;gap:10px;padding:10px;border-bottom:1px solid #ccd7dc}.summary-row b.support{color:#9b5c15}.summary-row b.stable{color:#26714c}.text-link{margin-top:18px;color:#345a70;font-weight:800}@keyframes successScene{0%{opacity:0;transform:scale(.7)}25%,72%{opacity:1;transform:scale(1)}100%{opacity:0;transform:scale(1.12)}}@keyframes arrive{from{transform:translateX(-70vw)}to{transform:none}}button:focus-visible,a:focus-visible{outline:5px solid #165db9;outline-offset:4px}@media(max-width:620px){.game-header{grid-template-columns:52px 1fr}.game-header #place-badge{grid-column:1/-1;justify-self:center}.mission-card{min-height:560px;padding:14px 10px}.scene{font-size:2.8rem}.prompt{min-height:78px}.choice{min-width:90px;min-height:88px}.choice.word{min-width:125px}.choice .emoji{font-size:2.7rem}}@media(orientation:landscape) and (max-height:650px){.screen{padding-top:max(12px,env(safe-area-inset-top))}.journey{margin:3px auto}.mission-card{min-height:410px;padding:8px 16px}.scene{font-size:2.2rem}.prompt{min-height:60px;margin:5px auto;font-size:2.3rem}.mission-instruction{margin:6px}.choice{min-height:72px}.choice .emoji{font-size:2.3rem}.hint-button{margin-top:10px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.success-action.active{opacity:1}}