:root{--ink:#294f49;--green:#427d6c;--paper:#fffaf0;--gold:#e7b860}*{box-sizing:border-box}body{margin:0;background:#f1f2e8;color:var(--ink);font-family:system-ui,'Yu Gothic',sans-serif}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}button:disabled{cursor:default;opacity:.45}button:focus-visible{outline:4px solid #c27a3d;outline-offset:3px}main{max-width:1080px;margin:auto;padding:22px 20px 38px}header{display:flex;gap:15px;justify-content:space-between;align-items:center}h1{font-size:clamp(26px,4vw,40px);margin:6px 0}h2{font-size:21px;margin:0 0 12px}p{line-height:1.6}.eyebrow{font-size:10px;letter-spacing:3px}#intro{margin:10px 0 14px}.quiet,.pill{border:1px solid #cdd7c5;border-radius:22px;background:#fffcf3;padding:10px 16px;min-height:44px}.bar{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.pill[aria-pressed=true]{background:var(--ink);color:white}.top-actions{display:flex;gap:8px;flex-wrap:wrap}.primary{background:var(--green);color:white;border:0;border-bottom:5px solid #2b5b4e;border-radius:19px;padding:13px 23px;font-weight:750;min-height:54px}summary{cursor:pointer;font-weight:700;padding:13px;border-radius:16px;background:#e6e9dc}details{margin:12px 0}#settings{display:grid;gap:5px;padding:8px}.journey{display:flex;align-items:center;gap:8px;margin:12px 0}.journey button{width:34px;height:34px;border:1px solid #c4cfbe;border-radius:50%;background:#fffaf0;font-size:12px}.journey button.current{background:var(--gold);border-color:#b58443;font-weight:800}.journey button.completed{box-shadow:inset 0 0 0 3px #a9cda5}.journey-label{font-size:13px;margin-right:6px}.status{min-height:27px;font-weight:700;margin:10px 0}.workshop{border:6px solid #fffdf6;border-radius:28px;overflow:hidden;background:#e8eddc;box-shadow:0 10px 30px #305f4412}.station-scene{position:relative;min-height:160px;background:radial-gradient(ellipse at 90% 85%,#b8cda9 0 30%,transparent 31%),linear-gradient(#dcece6 60%,#d0dfba 60%);overflow:hidden;padding:20px 200px 20px 25px;display:flex;flex-direction:column;justify-content:center}.station-scene>img{position:absolute;right:15px;bottom:-9px;width:185px;height:185px;object-fit:contain}.station-scene .station-caption{font-size:12px;letter-spacing:2px;color:#53766a}.station-scene h2{font-size:26px;margin:9px 0}.station-scene p{margin:0}.example-panel{padding:18px 25px 20px;background:#fffcf2}.example-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.example-top h2{font-size:17px;margin:0}.hint-unit{display:flex;align-items:center;justify-content:center;gap:10px;min-height:0;margin-top:8px;font-size:13px}.hint-unit[hidden]{display:none}.hint-unit img{width:38px;height:38px;object-fit:contain}.pattern-row{display:flex;justify-content:center;gap:12px;margin-top:13px}.pattern-group{display:flex;gap:7px;position:relative;padding:7px;border:2px solid transparent;border-radius:18px}.show-unit .pattern-group{border-color:#d4a548;background:#fcf1d1}.sample{width:64px;aspect-ratio:1;border-radius:13px;background:#eff0e5;display:grid;place-items:center}.sample img{width:90%;height:90%;object-fit:contain}.join-repeat{align-self:center;color:#a4b1a0;font-size:22px}.trainyard{position:relative;padding:10px 25px 16px;overflow:hidden;background:linear-gradient(#e0e9d0 80%,#cad5bd 80%)}.rail{position:absolute;left:0;right:0;bottom:43px;height:18px;background:repeating-linear-gradient(90deg,transparent 0 14px,#a19071 14px 23px,transparent 23px 40px);border-block:3px solid #7f8c79;pointer-events:none}.train{display:flex;align-items:flex-end;justify-content:center;position:relative;gap:8px;padding-bottom:28px;min-height:205px}.engine{width:170px;max-width:24%;height:175px;object-fit:contain;align-self:flex-end;transform:translateY(21px);pointer-events:none}.wagon{position:relative;flex:1;max-width:180px;height:170px;border:0;background:transparent;padding:0 12px 45px;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;touch-action:manipulation}.wagon .wagon-art{position:absolute;width:110%;height:130px;object-fit:fill;bottom:-11px;left:-5%;pointer-events:none}.wagon .cargo-art{width:85px;height:85px;max-width:90%;object-fit:contain;position:relative;z-index:2;pointer-events:none}.wagon .empty{width:73px;height:80px;max-width:90%;display:grid;place-items:center;border:3px dashed #a2b59a;border-radius:16px;font-size:33px;color:#8b9f84;background:#fcfff060;position:relative;z-index:2}.wagon .number{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);z-index:3;font-size:12px;font-weight:800;background:#fff6df;border-radius:50%;width:24px;height:24px;display:grid;place-items:center}.wagon.wrong .empty,.wagon.wrong .cargo-art{outline:3px dashed #ce9567;outline-offset:2px;border-radius:14px}.wagon.target .empty{border-color:#cf9b47;background:#fff8d9}.loading{background:#fffcf4;padding:18px 25px 22px}.cargo-options{display:flex;justify-content:center;gap:15px}.cargo-option{border:2px solid #d3d9c5;border-bottom:5px solid #c4cfb9;background:#f8f7ea;border-radius:22px;width:135px;min-height:125px;padding:8px;touch-action:none}.cargo-option[aria-pressed=true]{border-color:#ca9a52;background:#fff0c9;box-shadow:0 0 0 3px #f1d69b}.cargo-option img{display:block;width:78px;height:78px;object-fit:contain;margin:auto;pointer-events:none}.cargo-option span{display:block;font-size:13px;font-weight:700}.cargo-help{font-size:13px;text-align:center;margin:0 0 12px}.bottom-actions{display:flex;justify-content:center;gap:10px;margin-top:16px;flex-wrap:wrap}.float-cargo{position:fixed;z-index:100;pointer-events:none;width:88px;height:88px;object-fit:contain;transform:translate(-50%,-50%) rotate(-8deg);filter:drop-shadow(0 10px 9px #344d4330)}.completion{background:#fff5d9;border-top:1px solid #e7d7b4;padding:23px;display:flex;gap:22px;align-items:center;justify-content:center}.completion>img{width:100px;height:130px;object-fit:contain}.completion h2{font-size:24px}.completion p{margin:8px 0}.ticket{display:inline-block;border:2px dashed #cdac68;border-radius:10px;padding:6px 12px;color:#846030;background:#fffbee;font-size:13px}.departing{animation:train-depart 2.6s ease-in-out}.album-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px}.album-card{border:2px dashed #cfdbca;border-radius:19px;padding:15px;text-align:center;background:#fcfbf3;min-width:0}.album-card.complete{border:2px solid #d2af69;background:#fff4d0}.album-card img{width:70px;height:65px;object-fit:contain}.album-card b{display:block;font-size:13px}.album-card small{display:block;margin-top:7px;font-size:12px}.book-star{font-size:27px;color:#bf964c}.progress-dots{display:flex;gap:4px;justify-content:center;margin:10px 0}.progress-dots i{width:8px;height:8px;border-radius:50%;background:#e0e1d3}.progress-dots i.on{background:#80a986}.save-note{font-size:12px;color:#72806c}.save-warning{color:#9a653a}.confirm{position:fixed;inset:0;z-index:90;background:#24493ea8;display:grid;place-items:center;padding:20px}.confirm section{max-width:440px;padding:25px;background:#fffaf0;border-radius:23px}.art-error{background:#ffe8cc;padding:13px;border-radius:15px}.family-guide{max-width:1040px;margin:auto}html[lang=ja] .copy-en,html[lang=en] .copy-ja,[hidden]{display:none!important}@keyframes train-depart{0%{transform:translateX(0)}65%{transform:translateX(-125%);opacity:1}66%{opacity:0;transform:translateX(110%)}70%{opacity:1}100%{transform:translateX(0)}}@media(max-width:700px){main{padding:15px 10px 30px}.eyebrow{font-size:8px;letter-spacing:2px}header{align-items:flex-start}header .quiet{font-size:12px;padding:9px}.station-scene{min-height:126px;padding:16px 125px 16px 15px}.station-scene>img{width:130px;height:130px;right:0}.station-scene h2{font-size:20px}.station-scene p{font-size:12px}.example-panel{padding:13px 8px}.example-top{padding:0 4px}.example-top h2{font-size:14px}.example-top .quiet{padding:7px 10px;font-size:11px}.pattern-row{gap:2px;margin-top:8px}.pattern-group{padding:3px;gap:3px;border-radius:10px;flex:1;justify-content:center}.sample{width:clamp(26px,8vw,48px);border-radius:8px}.join-repeat{font-size:13px}.trainyard{padding:0 5px 10px}.train{gap:2px;min-height:150px;padding-bottom:25px}.engine{width:85px;height:115px;transform:translateY(17px)}.wagon{height:120px;padding:0 3px 29px}.wagon .wagon-art{height:80px;bottom:-8px}.wagon .empty{height:58px;width:49px;font-size:25px}.wagon .cargo-art{height:58px;width:58px}.wagon .number{bottom:10px;width:20px;height:20px;font-size:10px}.rail{bottom:31px;height:13px}.loading{padding:14px 12px}.cargo-options{gap:9px}.cargo-option{width:92px;min-height:105px;padding:7px}.cargo-option img{width:60px;height:60px}.cargo-option span{font-size:11px}.primary{font-size:14px;padding:12px 17px}.completion{gap:10px;padding:15px}.completion>img{width:72px;height:95px}.completion h2{font-size:20px}.album-grid{gap:7px}.album-card{padding:9px 4px}.album-card b{font-size:11px}.album-card small{font-size:10px}.album-card img{width:55px;height:55px}.journey{gap:5px}.journey-label{font-size:11px}.journey button{width:30px;height:30px}.hint-unit{gap:4px;font-size:11px}.hint-unit img{width:27px;height:27px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.engine{height:auto;transform:none;align-self:flex-end}.wagon .wagon-art{height:auto;bottom:0}.workshop{scroll-margin-top:12px}@media(max-width:700px){.engine{height:auto;transform:none}.wagon .wagon-art{height:auto;bottom:0}}
.wagon:disabled{opacity:1}

/* Longer trains keep every wagon large enough to tap; read rows left to right. */
.train.long-train{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px 12px;padding:4px 4px 20px;align-items:end}
.long-train .engine{grid-column:1/-1;width:130px;max-width:100%;height:100px;object-fit:contain;justify-self:start}
.long-train .wagon{width:100%;max-width:none;height:148px;padding-bottom:42px;border-bottom:4px solid #87927e}
.trainyard:has(.long-train) .rail{display:none}
@media(max-width:700px){.train.long-train{gap:7px 3px}.long-train .engine{height:72px;width:105px}.long-train .wagon{height:112px;padding:0 2px 29px}.long-train .wagon .cargo-art{width:58px;height:58px}.long-train .wagon .empty{width:48px;height:55px}}