@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@400;500;700;900&display=swap');
.walk-page{max-width:1240px;margin:0 auto;padding:14px 20px 32px;color:#2d443d;font-family:'Zen Maru Gothic','Hiragino Maru Gothic ProN',sans-serif}.walk-heading{display:flex;align-items:baseline;gap:20px;margin:8px 4px 18px}.walk-heading h1{font-size:23px;margin:0}.walk-heading p{margin:0;font-size:14px}.notebook-app{--paper:#fff9ec;--ink:#2e4a40;--green:#436e61;--orange:#b9562c;--line:#d6c9ad;background:#cfba90;border-radius:24px;padding:0 12px 12px;box-shadow:0 7px 24px #2d49351c;color:var(--ink);isolation:isolate;position:relative}.notebook-app *{box-sizing:border-box}.notebook-app [hidden]{display:none!important}.notebook-app button{font:700 15px/1.5 'Zen Maru Gothic',sans-serif;min-height:44px;padding:9px 17px;border-radius:12px;cursor:pointer;color:inherit;touch-action:manipulation;transition:background .15s,box-shadow .15s}.notebook-app button:focus-visible,.notebook-app h2:focus-visible{outline:3px solid #1679a0;outline-offset:3px}.notebook-app button:disabled{cursor:default}.walk-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#365e52;color:#fffdf3;border-radius:24px 24px 0 0;padding:11px 16px;margin:0 -12px 10px}.walk-brand{display:flex;align-items:center;gap:9px;white-space:nowrap;font-size:21px;letter-spacing:.04em}.walk-brand svg{width:32px;height:30px;fill:none;stroke:#f9eace;stroke-width:2.2;stroke-linejoin:round}.walk-toolbar nav{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.walk-toolbar button{padding:7px 11px;border:1px solid #f4edd940;background:#ffffff0c;color:inherit;font-size:13px;border-radius:20px;white-space:nowrap}.walk-toolbar button[aria-pressed=true]{color:#315247;background:#fff6dc}.walk-notice{background:#fff8dd;margin:0 0 8px;border-radius:6px;padding:5px 12px;font-size:13px}.walk-notice:empty{display:none}.walk-scenes{background:var(--paper);border:1px solid #b4a07e;border-radius:16px;box-shadow:inset 5px 0 0 #fffef5,0 3px 0 #948262;overflow:hidden}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;margin:0 0 16px;color:#5e715c}.cover-sheet{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:28px;padding:44px 38px 26px;position:relative;background:linear-gradient(90deg,transparent 46%,#bdab8124 47%,#fff9ec 48%)}.cover-copy{padding-left:12px}.cover-copy h2{font-size:clamp(32px,4.5vw,57px);line-height:1.3;letter-spacing:.04em;margin:0 0 18px;font-weight:900}.cover-copy h2 span{color:var(--orange)}.cover-lead{font-size:17px;line-height:1.9;margin:0 0 24px}.notebook-app .primary{background:var(--orange);border:2px solid var(--orange);color:#fffef7;box-shadow:0 4px 0 #923d1d;font-size:18px;padding:13px 25px;border-radius:18px;min-height:54px}.notebook-app .primary:hover{background:#a64a24}.primary span{margin-left:18px}.cover-note{font-size:12px;color:#6e705e;line-height:1.8;margin:15px 0 0}.cover-picture{margin:0;background:#fffef4;padding:12px 12px 18px;border:1px solid #e0d3b9;box-shadow:0 5px 12px #3b39261a;transform:rotate(1.4deg);position:relative}.cover-picture:before,.cover-picture:after{content:'';position:absolute;width:74px;height:22px;background:#d8c6a3b8;top:-9px;left:0;transform:rotate(-17deg)}.cover-picture:after{left:auto;right:0;background:#9aaf98a8;transform:rotate(20deg)}.cover-picture img{width:100%;height:auto;display:block;border-radius:4px}.cover-picture figcaption{text-align:center;margin-top:13px;font-size:13px}.cover-steps{display:flex;grid-column:1/-1;gap:22px;justify-content:center;padding:17px 6px 2px;border-top:1px dashed var(--line);font-size:12px}.cover-steps span{flex:1;display:flex;align-items:center;justify-content:center;gap:12px}.cover-steps b{font-size:21px;white-space:nowrap}.open-book{display:grid;grid-template-columns:1fr 1fr;position:relative;background:linear-gradient(90deg,transparent 48%,#b5a58020 49.5%,#fffdfa70 50.5%,transparent 52%)}.open-book:after{content:'';position:absolute;left:50%;top:28px;bottom:28px;width:10px;transform:translateX(-50%);background:repeating-linear-gradient(180deg,transparent 0 39px,#706444 40px 43px,#c4b291 44px 47px,transparent 48px 67px);pointer-events:none}.scene-page{margin:0;padding:27px 28px 20px;min-width:0;display:flex;flex-direction:column;justify-content:center;gap:17px}.scene-heading{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:700;min-width:0}.scene-tag{font-size:13px;background:#c9653b;color:#fffef4;border-radius:6px;padding:6px 10px;white-space:nowrap}.scene-page img{display:block;width:100%;height:auto;border-radius:12px;border:1px solid #e3d5ba;object-fit:contain}.scene-page figcaption{font-size:13px;text-align:center;color:#74715f;line-height:1.7}.question-page{padding:26px 30px 28px;min-width:0}.question-count{font-size:12px;color:#7b6a50;margin:0 0 7px;letter-spacing:.08em}.question-page h2{font-size:clamp(21px,2.3vw,29px);line-height:1.55;margin:0 0 19px;font-weight:900;text-wrap:pretty}.walk-answers{display:grid;gap:10px}.notebook-app .answer{display:grid;grid-template-columns:33px 1fr 20px;gap:10px;align-items:center;text-align:left;border:2px solid #d7c7a5;background:#f1e8d4;padding:12px 13px;font-size:17px;line-height:1.65;min-height:69px}.answer .number{display:grid;place-items:center;background:#fcf6e6;border:1px solid #d7c7a5;border-radius:50%;width:32px;height:32px;font:700 16px/1 sans-serif}.answer .mark{font-size:20px}.answer:hover:not(:disabled){border-color:#6c8c6f;background:#eef0db}.answer:disabled{opacity:.6}.answer.correct:disabled{background:#e7efd2;border-color:#5f8756;opacity:1}.answer.wrong:disabled{background:#f6e2d4;border-color:#b77451;opacity:1}.answer.correct .mark{color:#3c7148}.answer.wrong .mark{color:#a4502d}.walk-feedback{font-size:14px;line-height:1.9;padding:14px 3px 3px;min-height:74px}.walk-feedback strong{font-size:15px}.walk-feedback p{margin:4px 0}.walk-feedback p:empty{display:none}.walk-feedback.ok{color:#3a613b}.walk-feedback.retry{color:#7c482d}.notebook-app .next{margin-top:10px;width:100%;font-size:17px;padding:11px 18px;min-height:49px}.book-footer{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:13px 26px;border-top:1px dashed var(--line);background:#f0e6d050}.walk-counts{display:flex;margin:0;gap:22px}.walk-counts>div{display:flex;align-items:center;gap:10px}.walk-counts dt{font-size:12px}.walk-counts dd{font:700 25px/1.4 'Zen Maru Gothic',sans-serif;margin:0}.book-actions{display:flex;gap:8px}.notebook-app .secondary{border:1.5px solid #8f977c;background:#fffaf0;color:#39534a}.notebook-app .secondary:hover{background:#e8edd7}.notebook-app .text-button{border:0;background:none;color:#46594b;text-decoration:underline;text-underline-offset:4px;font-size:13px}.record-sheet{text-align:center;padding:30px 38px 24px;background:linear-gradient(90deg,transparent 49%,#c9b89220 50%,transparent 51%)}.record-sheet h2{font-size:clamp(23px,3vw,36px);margin:5px 0 24px;line-height:1.5}.record-sheet .eyebrow{margin-bottom:5px}.record-counts{display:grid;grid-template-columns:repeat(3,1fr);max-width:620px;margin:0 auto 23px}.record-counts>div+div{border-left:1px solid #c9b894}.record-counts dd{font-size:clamp(38px,5vw,64px);font-weight:900;line-height:1.3;margin:0;color:var(--orange)}.record-counts>div:nth-child(2) dd{color:var(--green)}.record-counts dt{font-size:15px}.stamp-heading{font-size:13px;letter-spacing:.08em;font-weight:500;margin:0 0 13px}.walk-stamps{display:grid;grid-template-columns:repeat(5,1fr);gap:15px;max-width:890px;margin:0 auto 20px;padding:0;list-style:none}.walk-stamps li{font-size:12px;line-height:1.65}.stamp-art{aspect-ratio:1;border-radius:50%;border:3px dashed #bbb39c;overflow:hidden;position:relative;margin-bottom:8px;background:#ece7d9}.stamp-art img{height:100%;width:100%;object-fit:cover;filter:grayscale(1);opacity:.35}.earned .stamp-art{border:4px solid var(--green);transform:rotate(-4deg)}.earned .stamp-art img{filter:none;opacity:1}.stamp-art b{position:absolute;right:6px;bottom:6px;background:#365e52;color:#fffef4;font:700 20px/28px sans-serif;width:28px;height:28px;border-radius:50%}.record-message{font-size:14px;line-height:1.9;margin:0 0 17px}.record-actions{display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap}.record-actions .text-button{flex-basis:100%}.walk-dialog{border:2px solid #526f59;background:#fff9ec;border-radius:23px;color:#324c40;padding:28px;max-width:min(500px,calc(100vw - 26px));max-height:calc(100dvh - 30px);font-family:inherit;box-shadow:0 16px 70px #14292055}.walk-dialog::backdrop{background:#17382aa8;backdrop-filter:blur(3px)}.walk-dialog h2{margin:0 0 16px;font-size:25px;line-height:1.5}.walk-dialog p,.walk-dialog li{font-size:16px;line-height:1.9}.walk-dialog ul{padding-left:22px}.dialog-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:23px}.walk-parent{max-width:850px;margin:28px auto 0;line-height:1.9;color:#526455;font-size:14px}.walk-parent h2{font-size:18px}.walk-parent p{margin:8px 0}.notebook-app:fullscreen{width:100%;height:100dvh;max-width:none;border-radius:0;padding-bottom:12px;overflow:auto;display:flex;flex-direction:column}.notebook-app:fullscreen .walk-toolbar{border-radius:0;flex:none}.notebook-app:fullscreen .walk-scenes{width:min(1360px,100%);margin:auto;flex:none}.notebook-app:fullscreen .cover-sheet{padding-top:clamp(20px,4vh,50px);padding-bottom:22px}.notebook-app:fullscreen .cover-picture{max-width:600px}.notebook-app:fullscreen .scene-page img{max-height:55dvh}.notebook-app:fullscreen .walk-notice{flex:none}.notebook-app:fullscreen .question-page{padding-top:24px;padding-bottom:22px}
@media(max-width:800px){.walk-page{padding:10px 10px 25px}.walk-heading{display:block;margin:6px 3px 14px}.walk-heading h1{font-size:20px}.walk-heading p{margin-top:5px;font-size:12px}.walk-toolbar{padding:9px 11px;gap:8px}.walk-brand{font-size:17px;gap:5px}.walk-brand svg{width:25px}.walk-toolbar button{font-size:12px;padding:6px 9px}.cover-sheet{padding:32px 24px 21px;gap:20px}.cover-copy{padding-left:0}.cover-copy h2{font-size:38px}.cover-lead{font-size:15px}.cover-steps{gap:13px}.cover-steps span{flex-direction:column;gap:3px}.cover-steps b{font-size:18px}.scene-page{padding:22px 17px 18px;gap:13px}.question-page{padding:22px 20px}.question-page h2{font-size:23px;margin-bottom:14px}.notebook-app .answer{font-size:15px;min-height:65px;padding:9px;gap:7px;grid-template-columns:29px 1fr 16px}.answer .number{width:28px;height:28px;font-size:14px}.walk-feedback{font-size:13px}.walk-feedback strong{font-size:14px}.walk-counts{gap:15px}.walk-counts>div{gap:6px}.book-footer{padding:12px 19px;gap:10px}.notebook-app .book-actions button{font-size:13px;padding:8px 13px}.record-sheet{padding:26px 25px 20px}.walk-stamps{gap:12px}}
@media(max-width:580px){.notebook-app{border-radius:17px;padding:0 7px 8px}.walk-toolbar{flex-wrap:wrap;justify-content:center;border-radius:17px 17px 0 0;margin:0 -7px 7px;padding:9px 8px}.walk-brand{font-size:17px;justify-content:center;width:100%}.walk-brand svg{height:23px}.walk-toolbar nav{gap:5px;justify-content:center;width:100%}.walk-toolbar button{min-height:39px;font-size:12px;padding:6px 10px}.walk-scenes{border-radius:11px}.cover-sheet{display:flex;flex-direction:column;gap:22px;padding:29px 22px 23px;text-align:center;background:none}.cover-copy h2{font-size:42px;line-height:1.3}.cover-copy .eyebrow{font-size:11px;margin-bottom:14px}.cover-lead{font-size:15px;margin-bottom:21px}.cover-copy .primary{width:100%;font-size:18px}.cover-note{margin-top:14px}.cover-picture{width:100%;max-width:400px;padding:8px 8px 13px}.cover-picture figcaption{font-size:11px;margin-top:10px}.cover-steps{width:100%;gap:8px;padding-top:15px}.cover-steps span{font-size:10px}.cover-steps b{font-size:16px}.open-book{display:block;background:none}.open-book:after{display:none}.scene-page{padding:17px 17px 0;gap:11px}.scene-heading{font-size:13px}.scene-tag{font-size:11px;padding:4px 8px}.scene-page img{max-height:240px;width:100%;border:0;object-fit:contain;border-radius:7px}.scene-page figcaption{display:none}.question-page{padding:16px 18px 20px}.question-count{font-size:11px;margin-bottom:5px}.question-page h2{font-size:22px;line-height:1.55;margin-bottom:14px}.walk-answers{gap:9px}.notebook-app .answer{font-size:15px;min-height:62px;line-height:1.6;padding:10px;grid-template-columns:29px 1fr 18px}.walk-feedback{min-height:54px;padding-top:13px;font-size:13px}.notebook-app .next{margin-top:13px;min-height:48px}.book-footer{flex-direction:column;align-items:stretch;padding:12px 16px;gap:11px}.walk-counts{justify-content:space-between;gap:10px}.walk-counts>div{gap:6px}.walk-counts dd{font-size:23px}.walk-counts dt{font-size:11px}.book-actions{justify-content:center}.book-actions button{flex:1}.record-sheet{padding:23px 17px 20px}.record-sheet h2{font-size:24px;margin-bottom:22px}.record-counts{margin-bottom:25px}.record-counts dd{font-size:46px}.record-counts dt{font-size:12px}.walk-stamps{grid-template-columns:repeat(3,1fr);gap:14px 13px}.walk-stamps li{font-size:11px}.walk-stamps li:nth-child(4){grid-column:1/2;margin-left:50%;margin-right:-50%}.walk-stamps li:nth-child(5){grid-column:2/3;margin-left:50%;margin-right:-50%}.record-message{font-size:13px;margin-top:18px}.record-actions{gap:12px}.notebook-app .record-actions .primary{font-size:16px;padding:10px 15px;min-height:49px}.notebook-app .record-actions .secondary{font-size:14px}.walk-dialog{padding:23px}.walk-dialog h2{font-size:23px}.walk-dialog p,.walk-dialog li{font-size:14px}.notebook-app:fullscreen .scene-page img{max-height:24dvh}.notebook-app:fullscreen .question-page{padding-top:13px}.notebook-app:fullscreen .cover-sheet{padding:27px 20px}.notebook-app:fullscreen .cover-picture{max-width:330px}}
@media(max-height:540px) and (min-width:581px){.walk-toolbar{padding:5px 12px;margin-bottom:6px}.walk-brand{font-size:17px}.walk-toolbar button{min-height:36px;padding:5px 10px}.cover-sheet{padding:22px 27px 15px;gap:15px}.cover-copy h2{font-size:37px;margin-bottom:10px}.cover-lead{font-size:14px;line-height:1.6;margin-bottom:14px}.cover-copy .eyebrow{font-size:11px;margin-bottom:9px}.cover-note{margin-top:11px}.cover-picture{max-width:350px!important}.cover-steps{padding-top:10px;font-size:10px}.cover-steps b{font-size:17px}.scene-page{padding:15px;gap:10px;justify-content:flex-start}.scene-page img{max-height:235px!important}.scene-page figcaption{font-size:11px}.question-page,.notebook-app:fullscreen .question-page{padding:13px 21px 17px}.question-page h2{font-size:21px;margin-bottom:10px}.notebook-app .answer{min-height:51px;padding:8px 10px;font-size:14px;line-height:1.5}.walk-answers{gap:6px}.walk-feedback{min-height:36px;padding-top:9px;font-size:12px;line-height:1.7}.walk-feedback strong{font-size:13px}.notebook-app .next{min-height:42px;padding:7px 14px;font-size:15px;margin-top:8px}.book-footer{padding:8px 18px}.walk-counts dd{font-size:21px}.record-sheet{padding:18px 30px 16px}.record-sheet h2{font-size:27px;margin-bottom:12px}.record-counts{margin-bottom:14px}.record-counts dd{font-size:43px}.record-counts dt{font-size:12px}.walk-stamps{max-width:630px;gap:15px;margin-bottom:10px}.stamp-heading{margin-bottom:8px}.walk-stamps li{font-size:11px}.record-message{margin-bottom:10px}.record-actions{gap:10px}.notebook-app .record-actions .primary{font-size:16px;min-height:45px;padding:8px 20px}}
@media(prefers-reduced-motion:reduce){.notebook-app button{transition:none}}

/* Keep type, stamp badges and assistive labels inside their intended bounds. */
.notebook-app .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.cover-copy h2{padding:5px 0}.earned .stamp-art{transform:none}.stamp-art b{right:calc(50% - 14px);bottom:10px}.record-message{white-space:pre-line}
.kids-seo-breadcrumb,.kids-seo-related{max-width:100%}