:root{font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI","Noto Sans JP",sans-serif;color:#233f38;background:#eef0e6;font-synthesis:none;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% 20%,#fbfcf5 0%,#eef0e6 65%);min-height:100dvh}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;touch-action:manipulation}button:focus-visible,a:focus-visible,[role=button]:focus-visible{outline:3px solid #009eaa;outline-offset:4px}button:disabled{cursor:default}button{border:0}button:hover{filter:brightness(1.04)}.app{width:min(100%,460px);margin:0 auto;padding:22px 24px max(16px,env(safe-area-inset-bottom))}.masthead{display:flex;align-items:center;justify-content:space-between;margin-bottom:29px}.brand{display:flex;gap:10px;align-items:center;color:#24463c;text-decoration:none;font-size:21px;letter-spacing:1.2px;font-weight:850;line-height:1.05}.brand-light{font-weight:450}.brand small{display:block;font-size:9px;letter-spacing:1.5px;font-weight:500;margin-top:7px}.brand-icon{background:#234d42;color:#f6cb67;border-radius:11px;width:39px;height:39px;display:grid;place-items:center;font-size:28px;transform:rotate(-7deg)}.icon-button{background:#e2e8dd;color:#36594d;border-radius:50%;min-width:42px;height:42px;font-size:23px;position:relative}.sound-off{font-size:8px;position:absolute;bottom:5px;left:13px}.level-heading{display:flex;align-items:center;justify-content:space-between}.eyebrow{font-size:10px;color:#829181;font-weight:750;letter-spacing:2px}h1{font-size:26px;letter-spacing:.7px;line-height:1.35;margin:6px 0 12px}.map-button{background:transparent;color:#527062;font-size:23px;display:flex;align-items:center;gap:5px;padding:10px 0 10px 8px}.map-button span{font-size:10px}.progress{display:flex;gap:6px;margin-bottom:20px}.progress button{height:5px;border-radius:5px;background:#d8dfd2;flex:1;padding:0;position:relative}.progress button:before{content:"";position:absolute;inset:-9px 0}.progress button.current{background:#e5ab4c}.progress button.done{background:#6b9f81}.mission{display:flex;gap:8px;align-items:center;font-size:11px;margin-bottom:10px;font-weight:650}.gem-small{color:#d4982f;font-size:16px}#moves{margin-left:auto;font-size:10px;color:#748779;font-variant-numeric:tabular-nums}.board-wrap{position:relative;background:#163d36;border:7px solid #315c4a;border-radius:24px;overflow:hidden;box-shadow:0 12px 25px #284e3224,inset 0 0 0 1px #648466;aspect-ratio:400/500}#board{display:block;width:100%;height:100%;user-select:none;-webkit-user-select:none;overflow:visible}.board-caption{position:absolute;bottom:8px;left:0;right:0;text-align:center;color:#89a08a;font-size:7px;letter-spacing:4px;pointer-events:none}.message{min-height:47px;display:flex;align-items:center;gap:8px;padding:12px 4px;font-size:12px;line-height:1.6}.message-dot{width:6px;height:6px;border-radius:50%;background:#bc984f;flex:none}.controls{display:flex;gap:10px}.secondary{flex:1;min-height:44px;border-radius:12px;background:#e0e6d9;color:#3d5c4a;font-size:20px;font-weight:650;display:flex;align-items:center;justify-content:center;gap:7px}.secondary span{font-size:12px}.legend{display:flex;justify-content:center;gap:17px;margin:18px 0 0;font-size:10px;color:#718371}.legend span{display:flex;align-items:center;gap:5px}.legend i{width:8px;height:8px;border-radius:3px}.water{background:#57c7e3}.lava{background:#ff8750}.monster{background:#cf78a4}.trap{background:#405847}.treasure{background:#e3ba53}footer{text-align:center;font-size:10px;line-height:1.8;color:#83917d;margin-top:19px}footer span{font-size:8px;letter-spacing:1.6px;color:#9da894}.pin{cursor:pointer;touch-action:none;outline:none}.pin .ring{transition:stroke .15s,filter .15s}.pin:hover .ring,.pin:focus-visible .ring{stroke:#fff4aa;filter:drop-shadow(0 0 5px #ffd974)}.pin-hit{fill:transparent;pointer-events:all}.pin:focus-visible .pin-hit{stroke:#fff4aa;stroke-width:2}.pin.removed{pointer-events:none;opacity:0}.room-label{fill:#a2b8a5;font-size:9px;letter-spacing:1px;text-anchor:middle}.flow-dot{filter:drop-shadow(0 0 8px currentColor)}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:24px;background:#102f28bc;backdrop-filter:blur(4px);z-index:2}.overlay[hidden]{display:none}.result{width:100%;text-align:center;background:#f5f4e7;border-radius:22px;padding:25px 18px;box-shadow:0 15px 35px #08221c66;animation:pop .25s ease-out}.result .seal{display:grid;place-items:center;font-size:32px;width:65px;height:65px;background:#dfebcf;border-radius:50%;margin:0 auto 12px;color:#448a64}.result.fail .seal{background:#f4dfce;color:#b96641}.result .eyebrow{color:#8a9b77;font-size:9px}.result h2{font-size:25px;margin:9px 0}.result p{font-size:12px;line-height:1.8;color:#74806b;margin:0 0 19px}.primary{background:#275d49;color:#fff6df;border-radius:12px;min-height:47px;width:100%;font-size:14px;font-weight:700}.text-button{background:transparent;color:#718571;padding:12px;font-size:11px}dialog{border:0;border-radius:22px;padding:24px;width:min(90vw,400px);color:#2b4b3d;background:#f8f8ec}dialog::backdrop{background:#102f28b5;backdrop-filter:blur(5px)}.dialog-head{display:flex;align-items:center;justify-content:space-between}.dialog-head h2{font-size:22px;margin:0}dialog p{font-size:12px;color:#7a8b75}#stage-list{display:grid;gap:9px;margin-top:20px}#stage-list button{display:flex;align-items:center;text-align:left;gap:14px;background:#e6ecdc;color:#32553e;border-radius:12px;padding:14px;font-size:13px}#stage-list b{font-size:20px;color:#789a72}#stage-list em{margin-left:auto;font-style:normal;color:#467456}.bobbing{animation:bob 2s ease-in-out infinite;transform-box:fill-box;transform-origin:center}.liquid{animation:liquid 2.4s ease-in-out infinite;transform-origin:center;transform-box:fill-box}@keyframes bob{50%{transform:translateY(-3px)}}@keyframes liquid{50%{opacity:.8}}@keyframes pop{from{opacity:0;transform:scale(.93)}to{opacity:1;transform:scale(1)}}@media(max-width:380px){.app{padding:15px 16px}.masthead{margin-bottom:20px}h1{font-size:23px}.legend{gap:13px}.mission{font-size:10px}}@media(min-width:700px){.app{padding-top:35px}}@media(max-height:740px){.app{padding-top:12px}.masthead{margin-bottom:16px}.progress{margin-bottom:15px}.board-wrap{width:min(100%,calc((100dvh - 310px)*.8));min-width:248px;margin-inline:auto}footer{margin-top:12px}.legend{margin-top:12px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

.route,.route-mouth{pointer-events:none;transition:opacity .12s}.route-preview .route:not(.selected-route),.route-preview .route-mouth:not(.selected-route){opacity:.18}.selected-route{filter:drop-shadow(0 0 3px #d9f2cb)}.selected-room{stroke:var(--route-color);stroke-width:5;filter:drop-shadow(0 0 4px var(--route-color))}
#board .pin:focus-visible{outline:none}
.audio-controls{display:flex;gap:7px;align-items:center}.bgm-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-width:44px;min-height:44px;border-radius:12px;background:#e2e8dd;color:#36594d}.audio-label{font-size:10px;font-weight:800;letter-spacing:1px}.audio-setting{font-size:9px;letter-spacing:1px}.bgm-button.is-playing{background:#d0e3cd;box-shadow:inset 0 0 0 1px #9cbf9a}.bgm-button.is-playing .audio-setting:before{content:"";display:inline-block;width:4px;height:4px;background:#427a51;border-radius:50%;margin-right:4px;vertical-align:2px}@media(max-width:380px){.brand{font-size:18px;gap:7px}.brand-icon{width:33px;height:36px}.brand small{font-size:8px;letter-spacing:1px}.audio-controls{gap:5px}}
#stage-dialog{max-height:85dvh;overflow:auto}#stage-list small{display:block;margin-top:5px;font-size:10px;font-weight:400;color:#75886b}#stage-list em{font-size:11px;line-height:1.5;text-align:right;flex-shrink:0}.result strong{color:#37664b;font-weight:750}.progress{gap:5px}
.board-caption{display:none}
.inactive-route{opacity:.22}.locked-pin{opacity:.48}.mechanic-guide{background:#e0e8d8;border-left:3px solid #779c75;border-radius:7px;padding:7px 9px;margin:-8px 0 12px;font-size:10px;line-height:1.6}.mechanic-guide[hidden]{display:none}.mechanic-guide strong,.mechanic-guide span{display:block}.mechanic-guide strong{color:#416443;font-size:11px}.switch:hover rect,.switch:focus-visible rect{stroke:#fff4ab;fill:#4d7060}#inventory{font-size:10px;color:#987334;white-space:nowrap}#moves{white-space:nowrap}.mission{gap:5px;font-size:10px}.result p{margin-bottom:14px}
.legacy-records{font-size:11px;color:#75886b;padding:12px 3px}.legacy-records summary{cursor:pointer}.legacy-records p{margin:8px 0}
/* Readable actions and chapter navigation */
.progress{gap:7px;margin-bottom:17px}.progress button{height:29px;min-width:0;font-size:11px;color:#57725f;border-radius:7px;background:#e2e8d9}.progress button:before{inset:0}.progress button.current{background:#e9bf63;color:#294639;font-weight:800}.progress button.done{background:#c6dcc0}.eyebrow{letter-spacing:1px;font-size:11px}.objectives{display:flex;gap:6px}.objective{display:flex;align-items:center;gap:3px;padding:5px 7px;border-radius:8px;background:#e4e8dc;color:#52674b;white-space:nowrap}.objective.complete{background:#d1e5c6;color:#2d6742}.objective svg{width:20px;height:20px}.mission{flex-wrap:wrap;font-size:11px;gap:5px}.action-list{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:12px}.action-card{display:flex;align-items:center;gap:6px;border:1px solid #cbd6bd;background:#f8f9ed;border-radius:10px;min-height:54px;padding:7px;text-align:left;color:#314f3e;font-size:12px;font-weight:700}.action-card b{display:grid;place-items:center;background:#e8ead5;border-radius:7px;min-width:24px;height:27px;font-size:12px}.action-card svg{width:26px;height:26px;flex-shrink:0}.action-card span{min-width:0}.action-card small{display:block;font-size:10px;font-weight:500;color:#708068;margin-top:3px;line-height:1.35}.action-card:disabled{opacity:.5;cursor:default}.switch-card{background:#eee8f4;border-color:#cdbadf}.switch-card b{background:#e0d1ed}.chapter-title{font-size:14px;margin:12px 0 2px;color:#496c47}.danger-room{stroke:#e99566;stroke-width:2}.goal-ready{stroke:#c8ef9f;stroke-width:4;filter:drop-shadow(0 0 5px #c8ef9f)}.mechanic-guide{font-size:11px}.room-label{letter-spacing:.4px}.message{font-size:12px}.masthead{margin-bottom:21px}h1{font-size:24px}.legend{display:none}@media(max-width:380px){.action-card{font-size:11px;gap:4px}.action-card svg{width:22px;height:22px}.action-card small{font-size:10px}.objective{padding:4px}.mission{font-size:10px}.mechanic-guide{font-size:10px}h1{font-size:21px}}@media(max-height:740px){.board-wrap{width:100%;min-width:0}}