@charset "UTF-8";
:root{--ink:#204e43;--muted:#66766c;--paper:#f6f3e9;--card:#fffdf7;--line:#dddcc9;--orange:#d86c47;--gold:#e6af42;--mint:#dce8d4;--shadow:0 14px 36px #234d4310;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background-image:radial-gradient(#627c5820 .8px,transparent .8px);background-size:17px 17px}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}button:disabled{cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #cd6939;outline-offset:4px}button{border:0}a{color:var(--ink)}svg{display:block;width:100%;height:100%}rt{font-size:.55em;font-weight:500}ruby{ruby-align:center}p{line-height:1.9}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.5}h1,h2{letter-spacing:.025em}small{font-size:.77em}.site-header{max-width:1220px;margin:auto;min-height:91px;padding:18px 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0}.reward{background:#f1efe2;border-radius:17px;width:155px;padding:16px 10px}.reward .artifact{height:90px;margin-bottom:9px}.reward h3{font-size:12px;margin:0}.result-stat{display:flex;justify-content:center;gap:28px;margin:20px 0 25px;font-size:12px}.result-stat strong{font-size:21px;color:var(--orange)}.result-card .action-row{justify-content:center}.medal-line{padding:14px;background:#fbefcf;border-radius:13px;font-size:13px;font-weight:700;margin:20px 0}.museum-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.museum-item{text-align:center;border:1px solid var(--line);background:var(--card);border-radius:17px;padding:19px 10px;min-height:175px}.museum-item .artifact{height:90px;width:120px;margin:0 auto 15px}.museum-item h2{font-size:13px;margin:0 0 5px}.museum-item small{color:var(--muted);font-size:10px}.museum-item.locked{background:#eeeee5;color:#83897b}.museum-item.locked .artifact{filter:grayscale(1);opacity:.13}.museum-item:not(:disabled):hover{border-color:var(--orange);box-shadow:var(--shadow)}.museum-progress{height:9px;background:#dce1d2;border-radius:10px;overflow:hidden;margin-bottom:24px}.museum-progress span{height:100%;display:block;background:var(--orange);border-radius:10px}.timeline-panel{max-width:810px}.timeline-panel h1{font-size:27px}.timeline-options{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:22px 0}.time-card{min-width:0;background:#f6f2e5;border:1px solid var(--line);border-radius:13px;padding:15px 9px;position:relative;min-height:184px}.time-card .artifact{height:75px;margin-bottom:12px}.time-card p{font-size:11px;font-weight:700;margin:0;line-height:1.8}.time-card .order-number{position:absolute;top:8px;left:8px;height:25px;width:25px;display:grid;place-items:center;background:var(--orange);color:white;border-radius:50%;font-size:12px}.time-card.selected{background:#e7ecdb;border-color:#85a67d}.time-card .year{font-size:15px;color:var(--orange);margin-top:8px;font-weight:900}.timeline-panel .action-row{justify-content:center}.timeline-panel .feedback{text-align:center}.timeline-panel .feedback p{text-align:left;max-width:580px;margin:auto}.site-footer{max-width:1148px;margin:auto;padding:17px 28px 25px;display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--muted);font-size:10px}.site-footer button{background:none;font-size:10px;min-height:44px}.save-warning{background:#ffedb3;text-align:center;padding:8px 20px;font-size:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}dialog{border:1px solid var(--line);border-radius:21px;background:var(--card);color:var(--ink);padding:27px;max-width:590px;width:calc(100% - 30px);max-height:85svh;overflow:auto;box-shadow:0 25px 100px #183b4430}dialog::backdrop{background:#173d3677;backdrop-filter:blur(4px)}dialog h2{font-size:23px;padding-right:24px}dialog h3{font-size:15px;margin:20px 0 10px}dialog p,dialog li{font-size:13px;line-height:2}dialog ol,dialog ul{padding-left:23px}dialog li{margin:8px 0}.modal-close{position:absolute;right:15px;top:14px;border-radius:50%;height:38px;width:38px;background:#e9eddf;font-size:19px}.modal-art{height:150px;margin:10px auto;width:170px}.source-links a{display:block;margin:10px 0;font-size:12px}.empty-note{border:1px dashed #b4bf9f;border-radius:12px;padding:14px;font-size:12px;margin-bottom:22px}.spark{position:fixed;width:7px;height:11px;pointer-events:none;z-index:10;animation:confetti 1.2s ease-out forwards}.board-status{min-height:50px}.next-cue{color:var(--orange);font-weight:700}.compact-text{font-size:12px;color:var(--muted)}
@keyframes twinkle{50%{transform:scale(.75);opacity:.65}}@keyframes float{50%{transform:translateY(-7px) rotate(1.5deg)}}@keyframes confetti{to{transform:translate(var(--dx),var(--dy)) rotate(240deg);opacity:0}}
@media(min-width:1000px){.hero{min-height:444px}.home-view .section-bar{margin-top:38px}.home-view .journey-preview{margin-bottom:10px}}
@media(max-width:850px){.site-header{padding:17px 24px}.hero h1{font-size:43px}.hero-scene{max-height:360px}.hero p{font-size:12px}.hero .action-row{gap:8px}.hero .primary,.hero .secondary{padding:13px 17px;font-size:13px}.hero-facts{gap:10px;font-size:9px}.journey-preview{grid-template-columns:repeat(3,1fr)}.era-grid,.museum-grid{grid-template-columns:repeat(3,1fr)}.play-layout{gap:23px;grid-template-columns:1fr 1fr}.tile{font-size:23px}.dig-board{gap:6px;padding:13px}.quiz-wrap{gap:15px}.quiz-card{padding:21px}.quiz-card h2{font-size:18px}.choice{font-size:12px}}
@media(max-width:600px){.site-header{padding:12px 17px;min-height:76px}.brand{gap:8px;font-size:14px}.brand-mark{height:36px;width:36px;font-size:25px;border-radius:11px}.brand small{font-size:8px}.header-actions{gap:7px}.collection-count{font-size:9px}.sound-button{font-size:9px;padding:8px;min-height:37px}main{padding:6px 17px 25px;min-height:calc(100svh - 143px)}.hero{grid-template-columns:1fr;gap:0;padding:16px 0 13px;position:relative}.hero-copy{position:relative;z-index:1}.eyebrow{font-size:10px;margin-bottom:16px}.hero h1{font-size:43px;line-height:1.4;margin-bottom:14px}.hero p{font-size:12px;margin-bottom:17px}.hero-scene{grid-row:2;max-height:315px;width:100%;margin:10px auto 0}.hero .primary{padding:14px 24px;font-size:14px}.hero .secondary{font-size:12px}.hero-facts{margin-top:15px;font-size:9px;gap:14px}.scene-badge{font-size:10px;right:6%;bottom:6%;padding:9px 15px}.scene-badge b{font-size:18px}.section-bar{margin:15px 0}.section-bar h2{font-size:15px}.section-bar p{font-size:9px}.journey-preview{gap:8px}.preview-card{padding:11px 7px;flex-direction:column;text-align:center}.preview-card span{font-size:11px}.preview-card small{font-size:9px}.page-title{align-items:start;margin:15px 0 22px}.page-title h1{font-size:25px}.page-title p{font-size:11px}.progress-pill{font-size:10px;padding:8px 10px}.tabs{gap:6px;margin-bottom:18px}.tabs button{font-size:11px;padding:10px 12px;min-height:42px}.era-grid,.museum-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.era-card{padding:17px 13px 14px}.era-card h2{font-size:18px}.era-card p{font-size:9px}.era-card .artifact{height:70px}.era-card .card-bottom{font-size:9px}.play-heading{margin:8px 0 15px}.play-heading h1{font-size:18px}.play-heading small{font-size:10px}.play-layout{grid-template-columns:1fr;gap:13px}.helper-card{display:contents}.helper-head{grid-row:1;margin:0}.mascot-small{height:48px;width:48px}.speech{font-size:11px;padding:10px 13px;flex:1}.field-card{grid-row:2;width:100%;max-width:440px;justify-self:center;border-radius:17px}.helper-card .artifact-stage{display:none}.helper-card .artifact-title{display:none}.helper-card .item-tag{display:none}.discovery-button{grid-row:3;margin:2px auto 8px;max-width:440px}.field-top{padding:11px 16px;font-size:11px}.dig-board{gap:7px;padding:14px}.tile{border-radius:8px;font-size:27px}.board-note{font-size:10px;padding:10px 13px}.dig-controls{padding:0 12px 12px}.dig-controls button{font-size:11px;min-height:42px}.intro-card,.result-card,.timeline-panel{margin:15px auto;padding:25px 18px;border-radius:19px}.intro-card h1{font-size:28px}.intro-card .intro-text{font-size:13px;line-height:2.1}.intro-art{height:120px}.intro-art .artifact{width:120px}.quiz-wrap{grid-template-columns:1fr;gap:12px}.quiz-art-panel{display:flex;align-items:center;justify-content:center;gap:12px;padding:0}.quiz-art-panel .artifact-stage{height:80px;width:100px;margin:0}.quiz-art-panel .artifact-stage .artifact{height:77px;width:85px}.quiz-art-panel .artifact-stage .seal{display:none}.quiz-art-panel .artifact-title{font-size:17px;text-align:left;margin:0}.quiz-art-panel .item-tag{display:none}.quiz-card{padding:23px 18px}.quiz-card h2{font-size:19px;line-height:1.9}.choice{font-size:13px;min-height:60px}.feedback{padding:14px}.feedback p{font-size:12px}.result-card h1{font-size:25px}.result-card .big-stars{font-size:41px;letter-spacing:8px}.reward-row{gap:12px}.reward{padding:13px 7px}.reward h3{font-size:11px}.result-stat{gap:18px;font-size:11px}.result-card .primary{width:100%}.result-card .secondary{flex:1;font-size:11px;padding:13px 9px}.museum-item{padding:16px 9px;min-height:170px}.museum-item .artifact{width:100px}.museum-item h2{font-size:12px}.timeline-panel h1{font-size:22px}.timeline-options{grid-template-columns:repeat(2,1fr)}.time-card{min-height:167px;padding:11px 10px}.time-card .artifact{height:64px}.time-card p{font-size:11px}.site-footer{padding:12px 17px 18px;font-size:9px}.site-footer button{font-size:9px}.board-status{min-height:0}}
@media(max-width:360px){.brand small{letter-spacing:0}.collection-count{display:none}.hero h1{font-size:38px}.hero .action-row{flex-wrap:nowrap}.hero .primary,.hero .secondary{padding:12px 15px;font-size:12px}.hero-facts{gap:8px}.play-heading h1{font-size:16px}.dig-board{gap:5px;padding:11px}.tile{font-size:22px}.tabs button{font-size:10px}.era-card h2{font-size:16px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.spark{display:none}}