:root{--red:#ef233c;--deep:#c9182b;--ink:#1f1b1a;--muted:#5f5551;--line:#ddcec6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fffdfa;font-family:"Hiragino Maru Gothic ProN","Yu Gothic",Meiryo,sans-serif}a{color:inherit;text-decoration:none}.site-header{max-width:1200px;height:84px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:11px;font-size:22px;font-weight:900}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;color:#fff;background:var(--red);transform:rotate(-4deg);font-size:24px}nav{display:flex;gap:34px;font-size:14px;font-weight:800}nav a:hover{color:var(--red)}
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.hero-visual{position:relative;aspect-ratio:1;max-width:490px;width:100%;justify-self:end;border-radius:50%;overflow:hidden;background:radial-gradient(circle at 50% 48%,#fff 0 11%,transparent 12%),radial-gradient(circle at 50% 50%,#ffc9c3 0 44%,#ffe5d9 45% 66%,#fff1dc 67%)}
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.section{max-width:1200px;margin:auto;padding:82px 28px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}.section-kicker{margin:0 0 9px;font-size:11px}h2{margin:0;font-size:clamp(30px,4vw,43px);font-weight:900}
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.featured-guide{margin:0 0 10px;color:#4d465d;font-size:13px;font-weight:900}.featured-tags{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.featured-tags a{display:flex;align-items:center;justify-content:space-between;padding:11px 13px;border:2px solid #201d49;border-radius:13px;background:#f5f2ff;color:#201d49;font-size:12px;font-weight:900;transition:.16s}.featured-tags a:hover{background:#ffe05b;transform:translateY(-2px)}.featured-tags a b{font-size:16px}.featured-button{font-weight:900}
.more-videos-section{max-width:1200px;margin:0 auto;padding:76px 28px 88px}.more-videos-heading{margin-bottom:20px}.more-videos-heading h2{margin:0}.science-team-card{padding:32px;border:3px solid #39245f;border-radius:25px;background:linear-gradient(145deg,#fff 0 65%,#f2ebff 100%);box-shadow:8px 8px 0 #39245f}.science-team-intro{display:flex;align-items:center;gap:24px;margin-bottom:26px}.science-team-icon{display:grid;flex:0 0 auto;place-items:center;width:108px;height:108px;border-radius:50%;background:#ef4968;color:#fff;box-shadow:inset 0 0 0 7px #ffb3c1;transform:rotate(-4deg)}.science-team-icon span{font-size:36px;line-height:1}.science-team-icon i{font-size:8px;font-style:normal;font-weight:900;letter-spacing:.14em}.science-team-copy>p:first-child{margin:0;color:#7154a1;font-size:11px;font-weight:900}.science-team-copy h3{margin:4px 0 7px;color:#39245f;font-size:34px}.science-team-copy>p{margin:0;color:#5f555f;font-size:14px;line-height:1.7}.science-series-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.science-series-card{overflow:hidden;border:2px solid #d8c9ee;border-radius:18px;background:#fff;transition:.18s}.science-series-card:hover{border-color:#8c64c4;transform:translateY(-4px);box-shadow:0 10px 18px #39245f1c}.series-visual{position:relative;display:grid;place-items:center;height:120px}.science-series-card:nth-child(1) .series-visual{background:#ffd56a}.science-series-card:nth-child(2) .series-visual{background:#8cdbef}.science-series-card:nth-child(3) .series-visual{background:#ff9eb2}.series-visual>span{font-size:57px}.series-visual>b{position:absolute;right:9px;bottom:8px;padding:4px 7px;border-radius:99px;background:#39245f;color:#fff;font-size:9px}.series-copy{padding:16px}.series-copy small{color:#7658a1;font-size:9px;font-weight:900}.series-copy h4{min-height:2.5em;margin:5px 0 8px;color:#39245f;font-size:16px;line-height:1.25}.series-copy p{min-height:5em;margin:0;color:#645d67;font-size:11px;line-height:1.6}.series-copy strong{display:block;margin-top:13px;color:#ef4968;font-size:11px}.science-team-button{display:inline-flex;align-items:center;gap:15px;margin-top:22px;padding:14px 17px;border-radius:13px;background:#39245f;color:#fff;font-size:13px;font-weight:900;white-space:nowrap}.science-team-button span{font-size:19px}
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.explore-section{max-width:1200px;margin:0 auto;padding:22px 28px 92px}.explore-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:26px}.explore-heading h2{margin:0}.explore-heading>p{margin:0 0 5px;color:var(--muted);font-size:13px}.explore-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.explore-card{--accent:#26335d;position:relative;display:grid;grid-template-columns:126px 1fr;min-height:210px;overflow:hidden;border:2px solid #e5ddd8;border-top:6px solid var(--accent);border-radius:22px;background:#fff;box-shadow:0 8px 24px #432d2510;transition:.2s}.explore-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 14px 28px #432d2520}.explore-copy{display:flex;flex-direction:column;padding:23px 22px}.explore-copy>span{color:var(--accent);font-size:11px;font-weight:900}.explore-copy h3{margin:7px 0 8px;color:#2b2726;font-size:21px;line-height:1.35}.explore-copy p{display:-webkit-box;overflow:hidden;margin:0;color:var(--muted);font-size:12px;line-height:1.65;-webkit-box-orient:vertical;-webkit-line-clamp:2}.explore-copy strong{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:13px;color:var(--accent);font-size:12px}.explore-copy strong b{font-size:17px}.explore-future{--accent:#674b94}.explore-water{--accent:#197aaf}.science-section{padding-top:30px;border-top:1px dashed #e3c9bb}.more-videos-section{max-width:none;padding-left:max(28px,calc((100% - 1144px)/2));padding-right:max(28px,calc((100% - 1144px)/2));padding-top:58px;background:#fff4e8}.more-videos-section>*{max-width:1144px;margin-left:auto;margin-right:auto}.science-team-card{background:#fff}.featured-card{box-shadow:12px 12px 0 #201d49}
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@media(max-width:820px){.learning-games-heading{align-items:flex-start;flex-direction:column;gap:8px}.learning-game-card{grid-template-columns:140px 1fr}.science-section{padding-top:72px}}@media(max-width:560px){.learning-games-section{padding:58px 18px 66px}.learning-games-heading h2{font-size:28px}.learning-game-card{grid-template-columns:100px 1fr;min-height:220px;border-radius:20px;box-shadow:5px 5px 0 var(--game-accent)}.learning-game-visual span{font-size:45px}.learning-game-copy{padding:21px 16px}.learning-game-copy h3{font-size:18px}.science-section{padding-top:60px}}

/* Crisp visual treatment */
:root{--navy:#20233f;--paper:#fffefb;--hard-line:#20233f}
body{background:var(--paper)}
.site-header{border-bottom:3px solid var(--navy);background:#fff}
.brand-mark{border:2px solid var(--navy);border-radius:10px;box-shadow:3px 3px 0 var(--navy)}
nav a{padding:8px 0;border-bottom:3px solid transparent;transition:.15s}
nav a:hover{border-bottom-color:var(--red)}
.eyebrow,.section-kicker{font-weight:950}
h1,h2,h3,h4{letter-spacing:-.025em}
.primary-button{border:2px solid var(--navy);border-radius:10px;box-shadow:5px 5px 0 var(--navy)}
.primary-button:hover{box-shadow:7px 7px 0 var(--navy);transform:translate(-2px,-2px)}
.hero-visual{border:3px solid var(--navy);box-shadow:10px 10px 0 #ffd84d}
.featured-card,.learning-game-card,.science-team-card{border-radius:18px}
.explore-card{border:3px solid var(--accent);border-top-width:8px;border-radius:15px;box-shadow:6px 6px 0 var(--accent)}
.explore-card:hover{box-shadow:9px 9px 0 var(--accent);transform:translate(-3px,-3px)}
.learning-games-section{border-top:3px solid #ef4968;border-bottom:3px solid #ef4968;background:#ffe9ee}
.learning-game-card{box-shadow:8px 8px 0 var(--game-accent)}
.science-section{border-top:3px solid #e5b898;background:#fff0df}
.program-card{border:3px solid var(--navy);border-radius:14px;box-shadow:6px 6px 0 #ef8f80}
.program-card:hover{border-color:var(--navy);box-shadow:8px 8px 0 #ef8f80;transform:translate(-2px,-2px)}
.program-icon{border:2px solid var(--navy);border-radius:10px}
.program-count{border:2px solid var(--red)}
.episode-list{border-top:2px solid var(--navy)}
.episode-list a{border-bottom:1px solid #d7c5bb}
.more-videos-section{border-top:3px solid #60438a;background:#f4efff}
.science-team-card{border:3px solid #39245f;box-shadow:8px 8px 0 #39245f}
.science-series-card{border-width:2px;border-color:#39245f;border-radius:12px}
.featured-button,.science-team-button{border:2px solid var(--navy);border-radius:9px;box-shadow:3px 3px 0 var(--navy)}
footer{border-top:5px solid var(--red)}
@media(max-width:560px){.site-header{border-bottom-width:2px}.hero-visual{box-shadow:6px 6px 0 #ffd84d}.explore-card{box-shadow:4px 4px 0 var(--accent)}.program-card{box-shadow:4px 4px 0 #ef8f80}.science-team-card{box-shadow:5px 5px 0 #39245f}}

/* Flat icon and surface system */
.brand-mark,.primary-button,.hero-visual,.featured-card,.explore-card,.learning-game-card,.program-card,.science-team-card,.featured-button,.science-team-button{box-shadow:none}
.primary-button:hover,.featured-card:hover,.explore-card:hover,.learning-game-card:hover,.program-card:hover{box-shadow:none;transform:none}
.hero-visual{border-radius:28px;background:#ffe3d7}
.featured-card,.learning-game-card,.science-team-card{border-width:2px}
.featured-visual{background:#ffd84d}
.explore-card{border-width:2px;border-top-width:6px}
.learning-games-section{background:#fff1f4}
.learning-game-visual{background:#27305f}
.learning-game-visual span{display:grid;place-items:center;width:74px;height:74px;border:2px solid #fff;border-radius:50%;font-size:40px;font-weight:400;letter-spacing:normal}
.program-card{border-width:2px;box-shadow:none}
.program-icon{border:0;border-radius:8px;background:var(--navy);color:#fff;font-size:29px;font-weight:400;letter-spacing:normal}
.science-section{background:#fff5eb}
.more-videos-section{background:#f7f3ff}
.science-team-icon{border-radius:14px;box-shadow:none}
.science-team-icon span{font-size:42px;font-weight:400;letter-spacing:normal}
.series-visual span{font-size:48px;font-weight:400;letter-spacing:normal}
.featured-button,.science-team-button{box-shadow:none}
@media(max-width:560px){.hero-visual,.explore-card,.program-card,.science-team-card{box-shadow:none}}

/* Colorful icon accents */
.explore-energy{--accent:#4e963b}
.program-card{border-top-width:6px}
.program-card:nth-child(1){border-top-color:#e84f6a}
.program-card:nth-child(2){border-top-color:#55a83e}
.program-card:nth-child(3){border-top-color:#278ec4}
.program-card:nth-child(4){border-top-color:#d57a28}
.program-card:nth-child(5){border-top-color:#7854b1}
.program-card:nth-child(1) .program-icon{background:#e84f6a}
.program-card:nth-child(2) .program-icon{background:#55a83e}
.program-card:nth-child(3) .program-icon{background:#278ec4}
.program-card:nth-child(4) .program-icon{background:#d57a28}
.program-card:nth-child(5) .program-icon{background:#7854b1}
.explore-hub{--accent:#d85b36;grid-column:1/-1;grid-template-columns:160px 1fr;min-height:190px;background:#fffaf6}
.explore-hub .explore-copy p{max-width:720px;-webkit-line-clamp:initial}
.explore-hub-links{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin-top:auto;padding-top:13px}
.explore-hub-links>a{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;padding:10px 11px;border:1px solid #e8b6a5;border-radius:9px;background:#fff;color:#73321e;transition:.15s}
.explore-hub-links>a:hover{border-color:#d85b36;background:#fff3ed}
.explore-hub-links>a>span:first-child{font-size:24px}
.explore-hub-links>a>span:nth-child(2){display:flex;min-width:0;flex-direction:column;gap:2px}
.explore-hub-links small{overflow:hidden;color:#98604f;font-size:8px;font-weight:800;text-overflow:ellipsis;white-space:nowrap}
.explore-hub-links b{font-size:11px}
.explore-hub-links i{font-size:14px;font-style:normal}
@media(max-width:560px){.explore-hub{grid-template-columns:84px 1fr}.explore-hub-links{grid-template-columns:1fr}.explore-hub-links>a{padding:8px}.explore-hub-links small{font-size:7px}.explore-hub-links b{font-size:10px}}
.world-feature-section{max-width:1200px;margin:0 auto;padding:4px 28px 88px}
.world-feature-heading{margin-bottom:22px}.world-feature-heading h2{margin:3px 0 5px;font-size:clamp(29px,4vw,42px)}.world-feature-heading>p:last-child{margin:0;color:var(--muted);font-size:13px}
.world-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.world-feature-card{--feature:#176b80;--feature-bright:#42c7dc;--feature-pale:#f3fcff;--feature-soft:#d9f5fa;display:grid;grid-template-rows:145px 1fr;overflow:hidden;border:2px solid var(--feature);border-radius:18px;background:var(--feature-pale);transition:.18s}
.world-feature-card:hover{filter:saturate(1.08);transform:translateY(-2px)}
.mofa-feature-card{--feature:#a84d1e;--feature-bright:#f29a42;--feature-pale:#fff8ef;--feature-soft:#ffe5c5}
.world-feature-visual{display:flex;align-items:center;justify-content:center;gap:18px;background:var(--feature-bright);color:#173f49}
.world-feature-visual>span{display:grid;place-items:center;width:82px;height:82px;border-radius:50%;background:#fff;color:var(--feature);font-size:48px}
.world-feature-visual small{padding:7px 11px;border-radius:6px;background:var(--feature);color:#fff;font-size:10px;font-weight:900;letter-spacing:.08em}
.world-feature-copy{display:flex;flex-direction:column;padding:25px 28px 27px}.world-feature-copy>p:first-child{margin:0;color:var(--feature);font-size:10px;font-weight:900;letter-spacing:.08em}
.world-feature-copy h3{margin:6px 0 4px;color:var(--feature);font-size:clamp(22px,2.4vw,29px);line-height:1.35}.world-feature-copy h4{margin:0 0 11px;color:var(--feature);font-size:15px}
.world-feature-copy>p{margin:0;color:#50666b;font-size:12px;line-height:1.75}
.world-feature-copy>strong{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:17px;color:var(--feature);font-size:12px}.world-feature-copy>strong b{font-size:17px}
@media(max-width:820px){.world-feature-grid{grid-template-columns:1fr}.world-feature-card{grid-template-columns:180px 1fr;grid-template-rows:none}.world-feature-visual{flex-direction:column;min-height:280px}.world-feature-copy{padding:28px}}
@media(max-width:560px){.world-feature-section{padding:0 18px 68px}.world-feature-heading h2{font-size:28px}.world-feature-card{grid-template-columns:92px 1fr}.world-feature-visual{min-height:285px;gap:12px}.world-feature-visual>span{width:60px;height:60px;font-size:35px}.world-feature-visual small{padding:6px 4px;font-size:8px;letter-spacing:0}.world-feature-copy{padding:22px 16px}.world-feature-copy h3{font-size:21px}.world-feature-copy h4{font-size:13px}.world-feature-copy>p{font-size:11px}}

/* Calm pastel learning-card grid */
.explore-grid{gap:26px 24px}
.explore-card:not(.explore-hub){--card-bg:#eef7ff;display:block;min-height:252px;overflow:visible;border:0;border-radius:20px;background:var(--card-bg);box-shadow:none;text-align:center}
.explore-card:not(.explore-hub):hover{background:var(--card-bg);box-shadow:none;filter:saturate(1.08);transform:translateY(-3px)}
.explore-card:not(.explore-hub) .explore-copy{min-height:252px;align-items:center;padding:98px 32px 23px}
.explore-card:not(.explore-hub) .explore-copy>span{font-size:10px;letter-spacing:.06em}
.explore-card:not(.explore-hub) .explore-copy h3{margin:6px 0 9px;font-size:21px;line-height:1.35}
.explore-card:not(.explore-hub) .explore-copy p{max-width:410px;font-size:11px;line-height:1.7;-webkit-line-clamp:2}
.explore-card:not(.explore-hub) .explore-copy strong{justify-content:center;margin-top:auto;padding-top:12px;font-size:11px}.explore-card.explore-future{--card-bg:#eee9fa}.explore-card.explore-water{--card-bg:#e5f3fb}.explore-card.explore-energy{--card-bg:#e3f5df}
@media(max-width:820px){.explore-card:not(.explore-hub){min-height:240px}.explore-card:not(.explore-hub) .explore-copy{min-height:240px;padding-right:24px;padding-left:24px}}
@media(max-width:560px){.explore-grid{gap:22px}.explore-card:not(.explore-hub){min-height:224px}.explore-card:not(.explore-hub) .explore-copy{min-height:224px;padding:84px 22px 20px}.explore-card:not(.explore-hub) .explore-copy h3{font-size:19px}.explore-card:not(.explore-hub) .explore-copy p{font-size:11px}}

/* Original block-world adventure theme */
:root{--block-ink:#202938;--block-green:#65a844;--block-grass:#8fca55;--block-dirt:#a66f45;--block-sky:#bde8f7;--block-sand:#f0d47c}
body{background-color:#f8f5e9;background-image:linear-gradient(#dfe8d933 1px,transparent 1px),linear-gradient(90deg,#dfe8d933 1px,transparent 1px);background-size:32px 32px}
h1,h2,h3,h4,.brand{font-family:"Arial Black","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;letter-spacing:0}
.site-header{height:88px;border:3px solid var(--block-ink);border-top:0;background:#fffef7;box-shadow:0 7px 0 var(--block-ink)}
.brand-mark{border:3px solid var(--block-ink);border-radius:3px;background:#e34b46;box-shadow:4px 4px 0 #8b2e2b;transform:none}
nav a{border-bottom:4px solid transparent}.eyebrow,.section-kicker{color:#34783b;letter-spacing:.13em}
.hero{min-height:540px;margin-top:34px;margin-bottom:66px;padding:54px 50px;border:4px solid var(--block-ink);background:#fffef7;box-shadow:10px 10px 0 var(--block-dirt)}
.hero-visual{border:4px solid var(--block-ink);border-radius:4px;background:linear-gradient(#bde8f7 0 58%,#8fca55 59% 72%,#a66f45 73%);box-shadow:8px 8px 0 #568837}
.hero-visual:after{position:absolute;right:0;bottom:0;left:0;height:28%;content:"";background-image:linear-gradient(45deg,#0000 75%,#825231 75%),linear-gradient(-45deg,#0000 75%,#825231 75%);background-position:0 0,16px 0;background-size:32px 32px;opacity:.38}
.primary-button,.featured-button,.science-team-button{border:3px solid var(--block-ink);border-radius:3px;box-shadow:5px 5px 0 var(--block-ink)}.primary-button:hover,.featured-button:hover,.science-team-button:hover{box-shadow:2px 2px 0 var(--block-ink);transform:translate(3px,3px)}
.featured-section,.world-feature-section,.explore-section{background:#fffef7}
.featured-section{padding-top:36px;border-top:8px solid var(--block-grass)}
.featured-card{border:4px solid var(--block-ink);border-radius:4px;box-shadow:9px 9px 0 #796141}.featured-card:hover{box-shadow:5px 5px 0 #796141;transform:translate(4px,4px)}
.featured-visual{background:#f0d47c;background-image:linear-gradient(#e2bf5d 2px,transparent 2px),linear-gradient(90deg,#e2bf5d 2px,transparent 2px);background-size:48px 48px}.featured-tags a{border-radius:3px}.featured-tags a{border-width:2px;background:#fffef7}
.world-feature-heading,.explore-heading{padding-top:8px}.world-feature-card{border:4px solid var(--block-ink);border-radius:4px;box-shadow:7px 7px 0 var(--feature)}.world-feature-card:hover{box-shadow:3px 3px 0 var(--feature);filter:none;transform:translate(4px,4px)}.world-feature-visual>span,.world-feature-visual small{border-radius:3px}.world-feature-visual{background-image:linear-gradient(#fff2 2px,transparent 2px),linear-gradient(90deg,#fff2 2px,transparent 2px);background-size:32px 32px}
.explore-section{border-top:8px solid var(--block-sand)}
.explore-card:not(.explore-hub){border:3px solid var(--block-ink);border-radius:4px;box-shadow:7px 7px 0 color-mix(in srgb,var(--accent) 75%,#222);background-image:linear-gradient(#fff3 2px,transparent 2px),linear-gradient(90deg,#fff3 2px,transparent 2px);background-size:32px 32px}.explore-card:not(.explore-hub):hover{box-shadow:3px 3px 0 color-mix(in srgb,var(--accent) 75%,#222);filter:none;transform:translate(4px,4px)}
.explore-hub-links>a{border:2px solid var(--block-ink);border-radius:3px;background:#fffef7}
.explore-hub{border:4px solid var(--block-ink);border-radius:4px;background:#fff4e4;box-shadow:7px 7px 0 #9a553f}
.learning-games-section{border-top:8px solid #dd536c;border-bottom:8px solid #dd536c;background-color:#fff2f4;background-image:linear-gradient(#f5cfd5 2px,transparent 2px),linear-gradient(90deg,#f5cfd5 2px,transparent 2px);background-size:32px 32px}
.learning-game-card{border:4px solid var(--block-ink);border-radius:4px;box-shadow:8px 8px 0 #982f43}.learning-game-card:hover{box-shadow:4px 4px 0 #982f43;transform:translate(4px,4px)}.learning-game-visual span{border:3px solid #fff;border-radius:3px}
.science-section{border-top:8px solid #d2954f;background-color:#fff5e6;background-image:linear-gradient(#e9d8be55 2px,transparent 2px),linear-gradient(90deg,#e9d8be55 2px,transparent 2px);background-size:32px 32px}.program-card{border:3px solid var(--block-ink);border-top-width:7px;border-radius:4px;box-shadow:6px 6px 0 #a97142}.program-card:hover{box-shadow:3px 3px 0 #a97142;transform:translate(3px,3px)}.program-icon,.program-count{border-radius:3px}
.more-videos-section{border-top:8px solid #70509c;background-color:#f6f1ff;background-image:linear-gradient(#dfd5ef66 2px,transparent 2px),linear-gradient(90deg,#dfd5ef66 2px,transparent 2px);background-size:32px 32px}.science-team-card{border:4px solid var(--block-ink);border-radius:4px;box-shadow:8px 8px 0 #60438a}.science-series-card,.science-team-icon{border-radius:3px}.science-series-card{border:3px solid var(--block-ink)}
footer{border-top:8px solid var(--block-grass);background:#343829;background-image:linear-gradient(#ffffff0a 2px,transparent 2px),linear-gradient(90deg,#ffffff0a 2px,transparent 2px);background-size:32px 32px}
@media(max-width:820px){.hero{margin-right:18px;margin-left:18px;padding:42px 32px}.site-header{border-right:0;border-left:0}}
@media(max-width:560px){.site-header{height:72px;box-shadow:0 5px 0 var(--block-ink)}.hero{margin-top:24px;margin-bottom:48px;padding:30px 20px;border-width:3px;box-shadow:6px 6px 0 var(--block-dirt)}.hero-visual{box-shadow:5px 5px 0 #568837}.featured-card,.world-feature-card,.explore-card:not(.explore-hub),.explore-hub,.learning-game-card,.program-card,.science-team-card{box-shadow:5px 5px 0 var(--block-ink)}nav{display:none}}

/* Richer earth-and-block color palette */
:root{--block-ink:#242a24;--block-green:#4f8f36;--block-grass:#75b84d;--block-dirt:#8b5a36;--block-sky:#83c9ed;--block-sand:#e7ca69;--block-stone:#a8aaa2;--paper:#f2efdf}
body{background-color:#c7c9c1;background-image:linear-gradient(#ffffff24 2px,transparent 2px),linear-gradient(90deg,#ffffff24 2px,transparent 2px),linear-gradient(#73766d24 1px,transparent 1px),linear-gradient(90deg,#73766d24 1px,transparent 1px);background-size:64px 64px,64px 64px,32px 32px,32px 32px}
.site-header{background:#304a32;color:#fff;box-shadow:0 7px 0 #18261a}.brand-mark{background:#d84b3f;box-shadow:4px 4px 0 #772b27}nav a:hover{color:#f4d765;border-bottom-color:#f4d765}
.hero{background:#dff2fb;box-shadow:10px 10px 0 #70462d}.hero-copy{position:relative;z-index:1}.eyebrow{color:#376f32}.primary-button{background:#d94b3f}.primary-button:hover{background:#b63831}
.featured-section{border-top-color:#75b84d;background:#eef3dc}.featured-card{background:#fffbed;box-shadow:9px 9px 0 #765137}.featured-visual{background-color:#e8c754;background-image:linear-gradient(#cba847 2px,transparent 2px),linear-gradient(90deg,#cba847 2px,transparent 2px)}
.world-feature-section{background:#d7e7c7}.tokyo-feature-card{--feature:#326e84;--feature-bright:#74c3e2;--feature-pale:#e1f2f8;--feature-soft:#bce2ef}.mofa-feature-card{--feature:#8b5129;--feature-bright:#e2b35f;--feature-pale:#fff0cf;--feature-soft:#efd298}
.explore-section{border-top-color:#d6bd58;background:#ece5bd}.explore-card.explore-future{--card-bg:#a99aca}.explore-card.explore-water{--card-bg:#78c2e2}.explore-card.explore-energy{--card-bg:#8bc568}
.explore-card:not(.explore-hub) .explore-copy p{color:#3f483f}.explore-hub{background:#d9b987;box-shadow:7px 7px 0 #805032}.explore-hub-links>a{background:#fff6dd}
.learning-games-section{border-color:#a63e52;background-color:#d88997;background-image:linear-gradient(#fff2 2px,transparent 2px),linear-gradient(90deg,#fff2 2px,transparent 2px)}.learning-games-heading>p,.learning-games-section .section-kicker{color:#4c232b}.learning-game-card{background:#fff6e6}.learning-game-visual{background:#34425d}
.science-section{border-top-color:#777a72;background-color:#c9cbc3;background-image:linear-gradient(#ffffff25 2px,transparent 2px),linear-gradient(90deg,#ffffff25 2px,transparent 2px)}.program-card{background:#fffbed;box-shadow:6px 6px 0 #686b64}.section-note,.source-notice{color:#3e453e}
.more-videos-section{border-top-color:#5c4a76;background-color:#afa0c8;background-image:linear-gradient(#fff2 2px,transparent 2px),linear-gradient(90deg,#fff2 2px,transparent 2px)}.science-team-card{background:#fffbed;box-shadow:8px 8px 0 #4c3a65}.more-videos-section .section-kicker{color:#3d2b57}
footer{border-top-color:#75b84d;background-color:#293529;background-image:linear-gradient(#ffffff0d 2px,transparent 2px),linear-gradient(90deg,#ffffff0d 2px,transparent 2px)}

/* Reduced four-material palette */
:root{--block-ink:#222820;--block-green:#4f7f3a;--block-grass:#73a94d;--block-dirt:#875d3b;--block-sky:#88c1dc;--block-stone:#92978e;--block-sand:#d8c477}
body{background-color:#92978e;background-image:linear-gradient(#ffffff1f 2px,transparent 2px),linear-gradient(90deg,#ffffff1f 2px,transparent 2px),linear-gradient(#555c5529 1px,transparent 1px),linear-gradient(90deg,#555c5529 1px,transparent 1px)}
.site-header{background:#304832}.hero{background:#cbe7f2}.primary-button{background:#4f7f3a}.primary-button:hover{background:#3d672d}
.featured-section{background:#d6e2b7}.featured-card{box-shadow:9px 9px 0 #705038}.featured-visual{background-color:#d8c477;background-image:linear-gradient(#bba85d 2px,transparent 2px),linear-gradient(90deg,#bba85d 2px,transparent 2px)}
.world-feature-section{background:#b7c8ad}.tokyo-feature-card{--feature:#3f6d78;--feature-bright:#88c1dc;--feature-pale:#d8ebf1;--feature-soft:#b9d9e3}.mofa-feature-card{--feature:#5d703e;--feature-bright:#86aa5c;--feature-pale:#dce6bf;--feature-soft:#c1d29b}
.explore-section{background:#c8d6a9}.explore-card.explore-energy{--card-bg:#99bd72}.explore-card.explore-future{--card-bg:#aeb2aa}.explore-card.explore-water{--card-bg:#91c5d9}
.explore-card:not(.explore-hub){--accent:#3f6034}.explore-card.explore-water{--accent:#365f6c}.explore-card.explore-birds{--card-bg:#99bd72;--accent:#3f6034}.explore-hub{--accent:#64452f;background:#b98a63;box-shadow:7px 7px 0 #5e402d}.explore-hub-links>a{background:#e9dfbd;color:#493524}.water-learning-links{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;margin-top:auto;padding-top:10px}.water-learning-links a{display:flex;align-items:center;gap:6px;padding:8px 9px;border:1px solid #557f8a;border-radius:3px;background:#e6f4f7;color:#294f59;transition:.15s}.water-learning-links a:hover{background:#fff;transform:translateY(-2px)}.water-learning-links span{display:flex;min-width:0;flex-direction:column}.water-learning-links small{font-size:8px}.water-learning-links b{font-size:10px}.water-learning-links i{margin-left:auto;font-size:12px;font-style:normal}
.learning-games-section{border-color:#634630;background-color:#9c714f;background-image:linear-gradient(#ffffff1a 2px,transparent 2px),linear-gradient(90deg,#ffffff1a 2px,transparent 2px)}.learning-games-heading>p,.learning-games-section .section-kicker{color:#2f271f}.learning-game-card{--game-accent:#304832;background:#e7e2c9}.learning-game-visual{background:#304832}
.science-section{border-top-color:#62685f;background-color:#aeb2aa}.program-card{border-top-color:#4f7f3a!important;background:#e7e2c9;box-shadow:6px 6px 0 #5f645d}.program-card .program-icon{background:#4f7f3a!important}.program-count{border-color:#4f7f3a;color:#3f6831}.program-source-link{color:#3f6831}
.more-videos-section{border-top-color:#365f6c;background-color:#88c1dc}.more-videos-section .section-kicker{color:#294e58}.science-team-card{box-shadow:8px 8px 0 #365f6c}.science-team-icon{background:#4f7f3a}.science-team-copy>p:first-child,.series-copy small{color:#4f7f3a}.science-team-copy h3,.series-copy h4{color:#304832}.science-series-card:nth-child(1) .series-visual,.science-series-card:nth-child(3) .series-visual{background:#99bd72}.science-series-card:nth-child(2) .series-visual{background:#aeb2aa}.series-visual>b{background:#304832}.series-copy strong{color:#4f7f3a}.science-team-button{background:#304832}
footer{background-color:#27372a}

/* Icon-free block labels and compact cards */
.world-feature-visual>span{width:auto;height:auto;padding:14px 18px;border:3px solid var(--block-ink);border-radius:3px;background:#fffbed;color:var(--feature);font-family:"Arial Black",sans-serif;font-size:14px;letter-spacing:.08em}
.explore-card:not(.explore-hub){min-height:196px}.explore-card:not(.explore-hub) .explore-copy{min-height:196px;padding:28px 32px 23px}.explore-card:not(.explore-hub) .explore-copy>span{padding:5px 8px;border:2px solid var(--block-ink);border-radius:2px;background:#fff8;color:#273227}.explore-card:not(.explore-hub) .explore-copy h3{margin-top:13px}
.explore-hub{grid-template-columns:1fr;min-height:180px}.explore-hub .explore-copy{padding:26px 30px}.explore-hub-links>a{grid-template-columns:1fr auto}.explore-hub-links>a>span:first-child{display:flex;min-width:0;flex-direction:column;gap:2px;font-size:inherit}.explore-hub-links>a>span:nth-child(2){display:initial}
.learning-game-visual span{display:grid;place-items:center;width:auto;height:auto;padding:12px 15px;border:3px solid #fff;border-radius:3px;font-family:"Arial Black",sans-serif;font-size:12px;font-weight:900;letter-spacing:.1em}
.program-icon{font-family:"Arial Black",sans-serif;font-size:12px;font-weight:900;letter-spacing:.04em}
.science-team-icon span{font-family:"Arial Black",sans-serif;font-size:12px;font-weight:900;letter-spacing:.08em}.science-team-icon i{margin-top:-25px}
.series-visual{height:78px}.series-visual>b{position:static;padding:7px 10px;border:2px solid var(--block-ink);border-radius:2px;background:#304832;font-size:10px}
@media(max-width:820px){.explore-card:not(.explore-hub){min-height:190px}.explore-card:not(.explore-hub) .explore-copy{min-height:190px;padding:26px 24px 22px}}
@media(max-width:560px){.explore-card:not(.explore-hub){min-height:184px}.explore-card:not(.explore-hub) .explore-copy{min-height:184px;padding:24px 20px 19px}.explore-hub{grid-template-columns:1fr}.explore-hub .explore-copy{padding:23px 20px}.world-feature-visual>span{padding:10px 6px;font-size:9px}}

/* Food, farming, forests and fisheries area */
.explore-card.explore-food{--card-bg:#a6be78;--accent:#3f6034;background-image:linear-gradient(#ffffff1c 2px,transparent 2px),linear-gradient(90deg,#ffffff1c 2px,transparent 2px),linear-gradient(0deg,#8b6241 0 18%,transparent 18%);background-size:32px 32px,32px 32px,100% 100%}

/* City, country and world trio */
.world-feature-grid{grid-template-columns:repeat(3,1fr)}.world-feature-card{grid-template-rows:132px 1fr}.world-feature-copy{padding:23px 24px 25px}.world-feature-copy h3{font-size:21px}.world-feature-copy>p{font-size:11px}.kantei-feature-card{--feature:#4d6138;--feature-bright:#a6b97a;--feature-pale:#e3e7c8;--feature-soft:#cad59f}
@media(max-width:1050px){.world-feature-grid{grid-template-columns:1fr}.world-feature-card{grid-template-columns:180px 1fr;grid-template-rows:none}.world-feature-visual{flex-direction:column;min-height:270px}}
@media(max-width:560px){.world-feature-card{grid-template-columns:92px 1fr}.world-feature-visual{min-height:285px}}

/* Challenge missions and QuizKnock library */
.learning-games-grid{grid-template-columns:repeat(2,1fr);max-width:1144px}.learning-game-card{grid-template-columns:145px 1fr}.sdgs-challenge-card{--game-accent:#3f6034}.sdgs-challenge-card .learning-game-visual{background:#4f7f3a}.sdgs-challenge-card .learning-game-copy>span,.sdgs-challenge-card .learning-game-copy strong{color:#3f6034}.quizknock-body{padding:30px;background:#e7e2c9}.quizknock-body section+section{margin-top:28px}.quizknock-body h3{margin:0 0 12px;color:#304832;font-size:17px}.quizknock-featured>div,.quizknock-group>div{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.quizknock-group>div{grid-template-columns:repeat(2,1fr)}.quizknock-body section a{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:15px 16px;border:2px solid #6e795f;border-radius:3px;background:#fffbed;color:#2e382b;transition:.15s}.quizknock-body section a:hover{transform:translateY(-2px);background:#fff}.quizknock-body section a strong{font-size:13px}.quizknock-body section a span{grid-column:1;color:#69665c;font-size:10px;line-height:1.5}.quizknock-body section a>b{grid-column:2;grid-row:1/3;align-self:center;font-size:17px}.quizknock-home-link{display:flex;justify-content:center;gap:12px;margin-top:28px;padding:13px;border:2px solid #304832;background:#304832;color:#fff;font-size:12px;font-weight:900}.quizknock-home-link:hover{background:#4f7f3a}
@media(max-width:900px){.learning-games-grid{grid-template-columns:1fr;max-width:820px}.learning-game-card{grid-template-columns:150px 1fr}}
@media(max-width:800px){.quizknock-featured>div,.quizknock-group>div{grid-template-columns:1fr}}
@media(max-width:560px){.learning-game-card{grid-template-columns:100px 1fr}.quizknock-body{padding:20px}}

/* Featured QuizKnock area below the main mission */
.quizknock-feature-section{max-width:none;padding:64px max(28px,calc((100% - 1144px)/2)) 72px;border-top:1px solid #789057;border-bottom:1px solid #634630;background-color:#9c714f;background-image:linear-gradient(#ffffff1a 2px,transparent 2px),linear-gradient(90deg,#ffffff1a 2px,transparent 2px);background-size:32px 32px}.quizknock-feature-heading{display:grid;grid-template-columns:150px 1fr;align-items:center;gap:24px;margin-bottom:26px;padding:25px 28px;border:3px solid #2e3e2b;border-radius:4px;background:#4f7f3a;color:#fff;box-shadow:8px 8px 0 #503a29}.quizknock-feature-heading h2{margin:4px 0 5px;font-size:32px}.quizknock-feature-heading p{margin:0;font-size:12px;line-height:1.6}.quizknock-feature-heading .section-kicker{color:#e5efcf}.quizknock-feature-section>.quizknock-featured{padding:25px 28px 28px;border:3px solid #2e3e2b;border-radius:4px;background:#e7e2c9;box-shadow:8px 8px 0 #503a29}.quizknock-featured h3{margin:0 0 13px;color:#304832;font-size:17px}.quizknock-featured>div{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.quizknock-featured a{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:17px 18px;border:2px solid #6e795f;border-radius:3px;background:#fffbed;color:#2e382b;transition:.15s}.quizknock-featured a:hover{transform:translateY(-2px);background:#fff}.quizknock-featured a strong{font-size:14px}.quizknock-featured a span{grid-column:1;color:#69665c;font-size:10px;line-height:1.5}.quizknock-featured a>b{grid-column:2;grid-row:1/3;align-self:center;font-size:17px}.quizknock-series-details{margin-top:18px;border:3px solid #2e3e2b;border-radius:4px;background:#e7e2c9;box-shadow:8px 8px 0 #503a29}.quizknock-series-details>summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 27px;cursor:pointer;list-style:none;background:#304832;color:#fff}.quizknock-series-details>summary::-webkit-details-marker{display:none}.quizknock-series-details>summary span{display:flex;flex-direction:column;gap:4px}.quizknock-series-details>summary strong{font-size:16px}.quizknock-series-details>summary small{font-size:10px}.quizknock-series-details>summary>b{font-size:24px}.quizknock-series-details[open]>summary>b{transform:rotate(45deg)}.quizknock-series-details .quizknock-body{border-top:3px solid #2e3e2b}
@media(max-width:800px){.quizknock-feature-heading{grid-template-columns:1fr}.quizknock-featured>div{grid-template-columns:1fr}}
@media(max-width:560px){.quizknock-feature-section{padding:44px 18px 52px}.quizknock-feature-heading{padding:22px 20px}.quizknock-feature-heading h2{font-size:25px}.quizknock-feature-section>.quizknock-featured{padding:21px 18px 23px}.quizknock-series-details>summary{padding:18px}.quizknock-series-details .quizknock-body{padding:20px}}

/* NHK learning gateway */
.nhk-learning-card{display:grid;grid-template-columns:190px 1fr;min-height:250px;margin-bottom:34px;overflow:hidden;border:3px solid #304832;border-radius:4px;background:#e7e2c9;box-shadow:8px 8px 0 #5f645d;transition:.2s}.nhk-learning-card:hover{transform:translate(-2px,-2px);box-shadow:11px 11px 0 #5f645d}.nhk-learning-mark{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;background-color:#4f7f3a;background-image:linear-gradient(#ffffff1a 2px,transparent 2px),linear-gradient(90deg,#ffffff1a 2px,transparent 2px);background-size:28px 28px;color:#fff}.nhk-learning-mark span{padding:12px 17px;border:3px solid #fff;background:#304832;font-family:"Arial Black",sans-serif;font-size:22px;letter-spacing:.08em}.nhk-learning-mark b{font-size:10px;letter-spacing:.15em}.nhk-learning-copy{display:flex;flex-direction:column;padding:28px 30px}.nhk-learning-copy small{color:#3f6034;font-size:10px;font-weight:900}.nhk-learning-copy h3{margin:7px 0 9px;color:#27372a;font-size:24px}.nhk-learning-copy p{margin:0;color:#66665f;font-size:12px;line-height:1.7}.nhk-learning-copy>div{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}.nhk-learning-copy>div span{padding:5px 8px;border:1px solid #879773;background:#f4f0d9;color:#405036;font-size:9px;font-weight:800}.nhk-learning-copy>strong{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:15px;color:#3f6034;font-size:12px}.nhk-learning-copy>strong b{font-size:17px}.nhk-school-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:0 0 15px;padding-top:10px}.nhk-school-heading h3,.nhk-school-heading p{margin:0}.nhk-school-heading h3{color:#304832;font-size:18px}.nhk-school-heading p{color:#66665f;font-size:10px}
@media(max-width:680px){.nhk-learning-card{grid-template-columns:95px 1fr}.nhk-learning-mark span{padding:9px 6px;font-size:12px}.nhk-learning-mark b{font-size:7px}.nhk-learning-copy{padding:23px 19px}.nhk-learning-copy h3{font-size:19px}.nhk-learning-copy p{-webkit-line-clamp:3}.nhk-school-heading{align-items:start;flex-direction:column;gap:5px}}

/* Disaster learning mission */
.disaster-mission-card{grid-column:1/-1;display:grid;grid-template-columns:1.15fr 1.35fr;gap:24px;padding:28px 30px;border:3px solid #4e3828;border-radius:4px;background-color:#c58a55;background-image:linear-gradient(#ffffff1a 2px,transparent 2px),linear-gradient(90deg,#ffffff1a 2px,transparent 2px);background-size:32px 32px;color:#2f281f;box-shadow:8px 8px 0 #5e402d;transition:.2s}.disaster-mission-card:hover{transform:translate(-2px,-2px);box-shadow:11px 11px 0 #5e402d}.disaster-mission-heading{display:grid;grid-template-columns:108px 1fr;gap:20px;align-items:start}.disaster-mission-heading>span{padding:12px 8px;border:3px solid #fff;background:#5d3b29;color:#fff;text-align:center;font-family:"Arial Black",sans-serif;font-size:10px;line-height:1.35;letter-spacing:.08em}.disaster-mission-heading small{font-size:9px;font-weight:900}.disaster-mission-heading h3{margin:5px 0 8px;font-size:25px;line-height:1.3}.disaster-mission-heading p{margin:0;color:#4e3c31;font-size:11px;line-height:1.65}.disaster-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.disaster-steps>div{display:grid;grid-template-columns:34px 1fr;align-items:center;gap:9px;padding:10px;border:2px solid #6c4e35;background:#f4e5c9}.disaster-steps>div>b{display:grid;place-items:center;width:30px;height:30px;background:#4f7f3a;color:#fff;font-size:13px}.disaster-steps span{display:flex;min-width:0;flex-direction:column}.disaster-steps strong{font-size:11px}.disaster-steps small{font-size:8px;color:#695746}.disaster-mission-link{grid-column:1/-1;display:flex;justify-content:flex-end;align-items:center;gap:10px;padding-top:2px;font-size:12px}.disaster-mission-link>b{font-size:17px}
@media(max-width:820px){.disaster-mission-card{grid-template-columns:1fr}.disaster-mission-link{justify-content:flex-start}}
@media(max-width:560px){.disaster-mission-card{padding:22px 18px}.disaster-mission-heading{grid-template-columns:1fr}.disaster-mission-heading>span{justify-self:start}.disaster-steps{grid-template-columns:1fr}}
.disaster-mission-heading h3{font-size:21px;white-space:nowrap}@media(max-width:820px){.disaster-mission-heading h3{white-space:normal}}

/* Food research lab */
.food-research-card{grid-column:1/-1;padding:28px 30px 20px;border:3px solid var(--block-ink);border-radius:4px;background-color:#a6be78;background-image:linear-gradient(#ffffff1c 2px,transparent 2px),linear-gradient(90deg,#ffffff1c 2px,transparent 2px);background-size:32px 32px;color:#283422;box-shadow:8px 8px 0 #5e402d}.food-research-intro{display:grid;grid-template-columns:112px 1fr;align-items:center;gap:20px;margin-bottom:18px}.food-research-intro>span{padding:14px 10px;border:3px solid #fff;background:#304832;color:#fff;text-align:center;font-family:"Arial Black",sans-serif;font-size:11px;letter-spacing:.1em}.food-research-intro small{font-size:9px;font-weight:900}.food-research-intro h3{margin:4px 0 6px;font-size:26px}.food-research-intro p{margin:0;color:#405036;font-size:11px;line-height:1.6}.food-research-links{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:9px}.food-research-links>a{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;min-height:116px;padding:15px 14px;border:2px solid #52653f;background:#f4f0d9;color:#283422;transition:.15s}.food-research-links>a:hover{transform:translateY(-2px);background:#fffbed}.food-research-links>a.food-research-main{border-width:3px;background:#fffbed}.food-research-links>a>span{display:flex;min-width:0;flex-direction:column}.food-research-links small{align-self:flex-start;margin-bottom:6px;padding:4px 6px;background:#4f7f3a;color:#fff;font-size:8px;font-style:normal}.food-research-links b{font-size:13px;line-height:1.4}.food-research-links i{margin-top:4px;color:#58604f;font-size:9px;font-style:normal;line-height:1.5}.food-research-links em{margin-top:8px;color:#3f6034;font-size:8px;font-style:normal;font-weight:900}.food-research-links>a>strong{font-size:18px}.food-research-notice{margin:13px 0 0;color:#4b4a3d;font-size:8px;font-weight:700;line-height:1.6}
@media(max-width:920px){.food-research-links{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.food-research-card{padding:22px 18px 17px;box-shadow:5px 5px 0 var(--block-ink)}.food-research-intro{grid-template-columns:1fr}.food-research-intro>span{justify-self:start}.food-research-intro h3{font-size:22px}.food-research-links{grid-template-columns:1fr}.food-research-links>a{min-height:96px}.food-research-notice{font-size:7px}}

/* Gakken research navigator */
.gakken-research-section{max-width:none;padding:64px max(28px,calc((100% - 1144px)/2)) 70px;border-top:3px solid #304832;border-bottom:3px solid #304832;background-color:#8cac67;background-image:linear-gradient(#ffffff18 2px,transparent 2px),linear-gradient(90deg,#ffffff18 2px,transparent 2px);background-size:32px 32px}.gakken-research-heading{display:grid;grid-template-columns:150px 1fr;align-items:center;gap:24px;margin-bottom:22px;padding:25px 28px;border:3px solid var(--block-ink);border-radius:4px;background:#304832;color:#fff;box-shadow:8px 8px 0 #5e402d}.gakken-research-heading>span{padding:14px 10px;border:3px solid #fff;background:#b47a45;text-align:center;font-family:"Arial Black",sans-serif;font-size:11px;letter-spacing:.1em}.gakken-research-heading h2{margin:4px 0 6px;font-size:31px}.gakken-research-heading p{margin:0;font-size:11px;line-height:1.65}.gakken-research-heading .section-kicker{color:#e8efcf}.gakken-research-heading small{display:block;margin-top:7px;font-size:8px;font-weight:900}.gakken-research-grid{display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:12px}.gakken-research-grid>a{display:grid;grid-template-columns:1fr auto;gap:5px 14px;min-height:148px;padding:21px 19px;border:3px solid var(--block-ink);border-radius:4px;background:#e7e2c9;color:#283422;box-shadow:6px 6px 0 #5e402d;transition:.15s}.gakken-research-grid>a:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 #5e402d}.gakken-research-grid>a.gakken-research-main{background:#f0d780}.gakken-research-grid small{grid-column:1;color:#5d4a2d;font-size:9px;font-weight:900}.gakken-research-grid strong{grid-column:1;font-size:16px;line-height:1.4}.gakken-research-grid span{grid-column:1;color:#5d6259;font-size:9px;line-height:1.6}.gakken-research-grid>a>b{grid-column:2;grid-row:1/4;align-self:center;font-size:20px}.gakken-top-link{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:18px;padding:16px 21px;border:3px solid var(--block-ink);border-radius:4px;background:#304832;color:#fff;box-shadow:6px 6px 0 #5e402d;transition:.15s}.gakken-top-link:hover{transform:translate(-2px,-2px);background:#42653b}.gakken-top-link span{display:flex;flex-direction:column;gap:3px}.gakken-top-link strong{font-size:13px}.gakken-top-link small{font-size:8px}.gakken-top-link>b{font-size:20px}.gakken-note{margin:14px 0 0;color:#2f3d2c;font-size:8px;font-weight:700}
@media(max-width:800px){.gakken-research-heading{grid-template-columns:1fr}.gakken-research-heading>span{justify-self:start}.gakken-research-grid{grid-template-columns:1fr}}
@media(max-width:560px){.gakken-research-section{padding:44px 18px 52px}.gakken-research-heading{padding:22px 19px;box-shadow:5px 5px 0 #5e402d}.gakken-research-heading h2{font-size:24px}.gakken-research-grid>a{min-height:106px;padding:18px 16px;box-shadow:5px 5px 0 #5e402d}.gakken-top-link{padding:14px 16px;box-shadow:5px 5px 0 #5e402d}.gakken-note{font-size:7px}}

/* Digital science museum */
.kahaku-section{max-width:none;padding:64px max(28px,calc((100% - 1144px)/2)) 72px;border-top:3px solid #39433a;border-bottom:3px solid #39433a;background-color:#7e877c;background-image:linear-gradient(#ffffff14 2px,transparent 2px),linear-gradient(90deg,#ffffff14 2px,transparent 2px);background-size:32px 32px}.kahaku-heading{display:grid;grid-template-columns:150px 1fr;align-items:center;gap:24px;margin-bottom:24px;padding:25px 28px;border:3px solid var(--block-ink);border-radius:4px;background:#304832;color:#fff;box-shadow:8px 8px 0 #4b3527}.kahaku-heading>span{padding:14px 9px;border:3px solid #fff;background:#5d665c;text-align:center;font-family:"Arial Black",sans-serif;font-size:12px;letter-spacing:.1em}.kahaku-heading h2{margin:4px 0 6px;font-size:31px}.kahaku-heading p{margin:0;font-size:11px;line-height:1.65}.kahaku-heading .section-kicker{color:#dce8d2}.kahaku-heading small{display:block;margin-top:7px;font-size:8px;font-weight:900}.kahaku-feature-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:12px}.kahaku-feature-grid>a{display:grid;grid-template-columns:1fr auto;gap:5px 14px;min-height:154px;padding:22px 20px;border:3px solid var(--block-ink);border-radius:4px;background:#e7e2c9;color:#283422;box-shadow:6px 6px 0 #4b3527;transition:.15s}.kahaku-feature-grid>a:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 #4b3527}.kahaku-feature-grid>a.kahaku-feature-main{background:#a6be78}.kahaku-feature-grid small{grid-column:1;color:#3f6034;font-size:9px;font-weight:900}.kahaku-feature-grid strong{grid-column:1;font-size:17px;line-height:1.35}.kahaku-feature-grid span{grid-column:1;color:#5d6259;font-size:9px;line-height:1.6}.kahaku-feature-grid>a>b{grid-column:2;grid-row:1/4;align-self:center;font-size:20px}.kahaku-top-link{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:18px;padding:16px 22px;border:3px solid var(--block-ink);border-radius:4px;background:#39433a;color:#fff;box-shadow:6px 6px 0 #4b3527;transition:.15s}.kahaku-top-link:hover{transform:translate(-2px,-2px);background:#304832}.kahaku-top-link span{display:flex;flex-direction:column;gap:3px}.kahaku-top-link strong{font-size:13px}.kahaku-top-link small{font-size:8px}.kahaku-top-link>b{font-size:20px}.kahaku-device-note{margin:14px 0 0;color:#202820;font-size:8px;font-weight:700;line-height:1.6}
@media(max-width:800px){.kahaku-heading{grid-template-columns:1fr}.kahaku-heading>span{justify-self:start}.kahaku-feature-grid{grid-template-columns:1fr}.kahaku-feature-grid>a{min-height:120px}}
@media(max-width:560px){.kahaku-section{padding:44px 18px 52px}.kahaku-heading{padding:22px 19px;box-shadow:5px 5px 0 #4b3527}.kahaku-heading h2{font-size:24px}.kahaku-feature-grid>a{min-height:108px;padding:18px 16px;box-shadow:5px 5px 0 #4b3527}.kahaku-top-link{padding:14px 16px;box-shadow:5px 5px 0 #4b3527}.kahaku-device-note{font-size:7px}}

/* NHK subject groups */
.subject-program-group{margin-top:28px;padding:22px 22px 26px;border:3px solid var(--block-ink);border-radius:4px;background:#d9ddcf;box-shadow:7px 7px 0 #5f645d}.subject-program-group+.subject-program-group{margin-top:34px}.subject-program-group .nhk-school-heading{align-items:center;margin:0 0 17px;padding:0 0 14px;border-bottom:3px solid #4f7f3a}.nhk-school-heading>div small{display:block;margin-bottom:4px;color:#4f7f3a;font-size:8px;font-weight:900}.nhk-school-heading>div h3{margin:0;font-size:21px}.subject-program-group .program-grid{gap:15px}.math-program-group{background:#d7e5de}.math-program-group .nhk-school-heading{border-bottom-color:#365f6c}.math-program-group .nhk-school-heading>div small{color:#365f6c}.math-program-group .program-card{border-top-color:#365f6c!important}.math-program-group .program-card .program-icon{background:#365f6c!important}.math-program-group .program-count{border-color:#365f6c;color:#365f6c}.math-program-group .program-source-link{color:#365f6c}
@media(max-width:560px){.subject-program-group{margin-right:-4px;margin-left:-4px;padding:18px 12px 21px;box-shadow:5px 5px 0 #5f645d}.subject-program-group .nhk-school-heading{align-items:flex-start}.nhk-school-heading>div h3{font-size:19px}}

/* PhET interactive simulation lab */
.phet-section{max-width:none;padding:64px max(28px,calc((100% - 1144px)/2)) 70px;border-top:3px solid #304832;border-bottom:3px solid #304832;background-color:#b98a63;background-image:linear-gradient(#ffffff17 2px,transparent 2px),linear-gradient(90deg,#ffffff17 2px,transparent 2px);background-size:32px 32px}.phet-heading{display:grid;grid-template-columns:150px 1fr;align-items:center;gap:24px;margin-bottom:22px;padding:25px 28px;border:3px solid var(--block-ink);border-radius:4px;background:#304832;color:#fff;box-shadow:8px 8px 0 #5e402d}.phet-heading>span{padding:14px 10px;border:3px solid #fff;background:#4f7f3a;text-align:center;font-family:"Arial Black",sans-serif;font-size:11px;letter-spacing:.1em}.phet-heading h2{margin:4px 0 6px;font-size:31px}.phet-heading p{margin:0;font-size:11px;line-height:1.65}.phet-heading .section-kicker{color:#dce8d2}.phet-heading small{display:block;margin-top:7px;font-size:8px;font-weight:900}.phet-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.phet-group{padding:21px;border:3px solid var(--block-ink);border-radius:4px;background:#d9ddcf;box-shadow:7px 7px 0 #5e402d}.phet-group>div:first-child{display:flex;align-items:center;gap:13px;margin-bottom:15px;padding-bottom:13px;border-bottom:3px solid #4f7f3a}.phet-group>div:first-child>span{padding:8px 9px;background:#4f7f3a;color:#fff;font-family:"Arial Black",sans-serif;font-size:9px;letter-spacing:.08em}.phet-group h3,.phet-group p{margin:0}.phet-group h3{font-size:19px}.phet-group p{margin-top:3px;color:#5b6255;font-size:9px}.phet-math-group{background:#d7e5de}.phet-math-group>div:first-child{border-bottom-color:#365f6c}.phet-math-group>div:first-child>span{background:#365f6c}.phet-sim-grid{display:grid;gap:9px}.phet-sim-grid>a{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;min-height:76px;padding:13px 14px;border:2px solid #697064;background:#fffbed;color:#293228;transition:.15s}.phet-sim-grid>a:hover{transform:translateY(-2px);background:#fff}.phet-sim-grid>a>span{display:flex;min-width:0;flex-direction:column;gap:4px}.phet-sim-grid strong{font-size:12px}.phet-sim-grid small{color:#64675f;font-size:8px;line-height:1.5}.phet-sim-grid>a>b{font-size:18px}.phet-all-link{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:20px;padding:16px 21px;border:3px solid var(--block-ink);border-radius:4px;background:#304832;color:#fff;box-shadow:7px 7px 0 #5e402d;transition:.15s}.phet-all-link:hover{transform:translate(-2px,-2px);background:#4f7f3a}.phet-all-link span{display:flex;flex-direction:column;gap:3px}.phet-all-link strong{font-size:13px}.phet-all-link small{font-size:8px}.phet-all-link>b{font-size:19px}.phet-note{margin:14px 0 0;color:#3e3127;font-size:8px;font-weight:700}
@media(max-width:800px){.phet-heading{grid-template-columns:1fr}.phet-heading>span{justify-self:start}.phet-groups{grid-template-columns:1fr}}
@media(max-width:560px){.phet-section{padding:44px 18px 52px}.phet-heading{padding:22px 19px;box-shadow:5px 5px 0 #5e402d}.phet-heading h2{font-size:24px}.phet-group{padding:16px 13px;box-shadow:5px 5px 0 #5e402d}.phet-all-link{padding:14px 16px;box-shadow:5px 5px 0 #5e402d}.phet-note{font-size:7px}}

/* Bright block-world palette inspired by sky, grass, water and earth */
:root{--block-ink:#183247;--block-green:#168b35;--block-grass:#55c92f;--block-dirt:#c87935;--block-sky:#27b9ef;--block-stone:#91a4af;--block-sand:#f2c552;--paper:#f7fbf1;--ink:#183247;--muted:#425f6c;--line:#9fc4d2}
body{background-color:#55bde8;background-image:linear-gradient(#ffffff2b 2px,transparent 2px),linear-gradient(90deg,#ffffff2b 2px,transparent 2px),linear-gradient(#168acb26 1px,transparent 1px),linear-gradient(90deg,#168acb26 1px,transparent 1px)}
.site-header{background:#168b35;color:#fff;box-shadow:0 7px 0 #0a5d2a}.brand-mark{background:#f0c548;box-shadow:4px 4px 0 #a96b25;color:#183247}nav a:hover{color:#fff36c;border-bottom-color:#fff36c}
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/* Red, sky and grass game palette */
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/* Strict five-color accent palette */
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footer{border-top-color:#BF9004;background-color:#6A2632}

/* Vivid sky, grass, earth and stone palette */
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body{background-color:#25B8EE;background-image:linear-gradient(#ffffff28 2px,transparent 2px),linear-gradient(90deg,#ffffff28 2px,transparent 2px);background-size:32px 32px}
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/* Turn the city, country and world markers into one continuous map journey */
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.world-feature-visual{position:relative;display:block;min-height:0;overflow:hidden;background-color:#118fd0;background-position:center;background-size:cover}
.tokyo-feature-card .world-feature-visual{background-image:url('/images/world-map-tokyo.jpg')}
.kantei-feature-card .world-feature-visual{background-image:url('/images/world-map-japan.jpg')}
.mofa-feature-card .world-feature-visual{background-image:url('/images/world-map-global.jpg')}
.world-feature-visual>span{display:none}
.world-feature-visual small{position:absolute;right:10px;bottom:10px;border:2px solid var(--block-ink);box-shadow:3px 3px 0 var(--block-ink);background:var(--feature);color:#fff}
@media(max-width:1050px){.world-feature-card{grid-template-columns:260px 1fr;grid-template-rows:none}.world-feature-visual{min-height:300px}}
@media(max-width:560px){.world-feature-card{grid-template-columns:110px 1fr}.world-feature-visual{min-height:300px}.world-feature-visual small{right:5px;bottom:6px;max-width:92px;padding:5px 4px;font-size:7px;text-align:center}}

/* A single math area with clear routes for study, video, experiments and puzzles */
.math-hub-section{padding:72px max(5vw,32px);border-top:6px solid var(--block-ink);border-bottom:6px solid var(--block-ink);background:#F2D63B;color:var(--block-ink)}
.math-hub-heading{max-width:1180px;margin:0 auto 26px}.math-hub-heading h2{margin:5px 0 8px;font-size:42px}.math-hub-heading>p:last-child{font-size:13px;font-weight:700}
.math-hub-layout{display:grid;grid-template-columns:minmax(280px,.85fr) 2fr;gap:14px;max-width:1180px;margin:auto}
.math-hub-main,.math-hub-grid>a{border:4px solid var(--block-ink);box-shadow:6px 6px 0 var(--block-ink);color:var(--block-ink);transition:.15s}
.math-hub-main:hover,.math-hub-grid>a:hover{box-shadow:2px 2px 0 var(--block-ink);transform:translate(4px,4px)}
.math-hub-main{display:flex;min-height:330px;flex-direction:column;justify-content:space-between;padding:28px;background:#0426BF;color:#fff}.math-hub-main>span{align-self:flex-start;padding:7px 10px;border:2px solid #fff;background:#BF0426;font-size:10px;font-weight:900}.math-hub-main small{color:#A8E6F6;font-size:9px;font-weight:900}.math-hub-main h3{margin:8px 0 12px;font-size:30px}.math-hub-main p{font-size:12px;line-height:1.8}.math-hub-main>strong{font-size:13px}.math-hub-main>strong b{float:right;font-size:19px}
.math-hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.math-hub-grid>a{position:relative;display:flex;min-height:154px;flex-direction:column;padding:20px 44px 18px 20px;background:#FFFDF3}.math-hub-grid>a>span{margin-bottom:10px;color:#087FB3;font-size:9px;font-weight:900}.math-hub-grid>a>strong{font-size:17px}.math-hub-grid>a>small{margin-top:7px;font-size:9px;line-height:1.5}.math-hub-grid>a>b{position:absolute;right:17px;bottom:16px;font-size:19px}
.math-hub-grid>a:nth-child(2){background:#E5F8FD}.math-hub-grid>a:nth-child(3){background:#EBF9DF}.math-hub-grid>a:nth-child(4){background:#FFF2D2}.math-hub-grid>a:nth-child(5){grid-column:1/3;background:#F7E5EA}
@media(max-width:850px){.math-hub-layout{grid-template-columns:1fr}.math-hub-main{min-height:250px}.math-hub-grid>a{min-height:145px}}
@media(max-width:560px){.math-hub-section{padding:52px 18px}.math-hub-heading h2{font-size:31px}.math-hub-heading>p:last-child{font-size:11px;line-height:1.7}.math-hub-main{min-height:235px;padding:22px}.math-hub-main h3{font-size:25px}.math-hub-grid{grid-template-columns:1fr}.math-hub-grid>a{min-height:122px}.math-hub-grid>a:nth-child(5){grid-column:auto}}

.explore-section{border-top-color:#F2D63B;background:#39C924}.explore-card.explore-energy,.explore-card.explore-birds,.explore-card.explore-food{--card-bg:#9BE373;--accent:#176A22}.explore-card.explore-future{--card-bg:#C7D0CF;--accent:#4F5D61}.explore-card.explore-water{--card-bg:#8ADBF4;--accent:#087FB3}.explore-card:not(.explore-hub),.explore-card.explore-food{background-color:var(--card-bg);background-image:linear-gradient(#fff2 2px,transparent 2px),linear-gradient(90deg,#fff2 2px,transparent 2px)}.explore-card:not(.explore-hub) .explore-copy>span{background:#FFFDF3}.explore-hub{background:#D0913E;color:#25313B;box-shadow:7px 7px 0 #835027}.explore-hub .explore-copy p{color:#4F463F}.explore-hub-links>a{background:#FFFDF3;color:#25313B}.water-learning-links a{background:#FFFDF3;color:#087FB3;border-color:#087FB3}.food-research-card{background-color:#F2D63B;background-image:linear-gradient(#ffffff30 2px,transparent 2px),linear-gradient(90deg,#ffffff30 2px,transparent 2px);box-shadow:8px 8px 0 #835027}.food-research-links>a,.food-research-links>a.food-research-main{background:#FFFDF3}.food-research-links small{background:#208B2A}.disaster-mission-card{background-color:#D0913E;background-image:linear-gradient(#ffffff20 2px,transparent 2px),linear-gradient(90deg,#ffffff20 2px,transparent 2px);color:#25313B;box-shadow:8px 8px 0 #835027}.disaster-mission-heading p{color:#4F463F}.disaster-steps>div{background:#FFFDF3;color:#25313B}.disaster-steps>div>b{background:#208B2A}
.gakken-research-section{background-color:#39C924;background-image:linear-gradient(#ffffff22 2px,transparent 2px),linear-gradient(90deg,#ffffff22 2px,transparent 2px)}.gakken-research-heading,.gakken-top-link{background:#208B2A}.gakken-research-heading>span{background:#F2D63B;color:#25313B}.gakken-research-grid>a{background:#FFFDF3;box-shadow:6px 6px 0 #835027}.gakken-research-grid>a.gakken-research-main{background:#F2D63B;border-color:#25313B}.gakken-research-grid small{color:#176A22}.gakken-top-link{box-shadow:6px 6px 0 #835027}
.kahaku-section{background-color:#8C9291;background-image:linear-gradient(#ffffff18 2px,transparent 2px),linear-gradient(90deg,#ffffff18 2px,transparent 2px)}.kahaku-heading,.kahaku-top-link{background:#208B2A}.kahaku-heading>span{background:#5E6668}.kahaku-feature-grid>a{background:#FFFDF3}.kahaku-feature-grid>a.kahaku-feature-main{background:#9BE373}.kahaku-feature-grid small{color:#176A22}
.learning-games-section{border-color:#9B642F;background-color:#D0913E;background-image:linear-gradient(#ffffff1c 2px,transparent 2px),linear-gradient(90deg,#ffffff1c 2px,transparent 2px)}.learning-games-heading,.learning-games-heading>p{color:#25313B}.learning-games-section .section-kicker{color:#176A22}.learning-game-card{background:#FFFDF3;box-shadow:8px 8px 0 #835027}.learning-game-visual{background:#087FB3}.sdgs-challenge-card .learning-game-visual{background:#208B2A}
.phet-section{background-color:#25B8EE;background-image:linear-gradient(#ffffff25 2px,transparent 2px),linear-gradient(90deg,#ffffff25 2px,transparent 2px);border-color:#087FB3}.phet-heading,.phet-all-link{background:#087FB3}.phet-heading>span{background:#39C924;color:#fff}.phet-group,.phet-math-group{background:#FFFDF3;box-shadow:7px 7px 0 #087FB3}.phet-group>div:first-child>span{background:#208B2A}.phet-math-group>div:first-child>span{background:#087FB3}.phet-sim-grid>a{background:#FFFDF3}
.science-section{border-top-color:#F2D63B;background-color:#EAF6D8;background-image:none}.nhk-learning-card,.subject-program-group,.program-card{background:#FFFDF3}.nhk-learning-mark,.program-card .program-icon{background:#208B2A!important}.subject-program-group{box-shadow:7px 7px 0 #6D8C58}.math-program-group{background:#E5F8FD}.math-program-group .program-card .program-icon{background:#087FB3!important}.program-count{color:#176A22}.math-program-group .program-count{color:#087FB3}
.more-videos-section{border-top-color:#087FB3;background-color:#25B8EE;background-image:linear-gradient(#ffffff22 2px,transparent 2px),linear-gradient(90deg,#ffffff22 2px,transparent 2px)}.science-team-card{background:#FFFDF3;box-shadow:8px 8px 0 #087FB3}.science-team-icon{background:#208B2A}.science-series-card:nth-child(1) .series-visual{background:#39C924}.science-series-card:nth-child(2) .series-visual{background:#8C9291}.science-series-card:nth-child(3) .series-visual{background:#F2D63B}.science-team-button,.series-visual>b{background:#208B2A}
footer{border-top-color:#39C924;background-color:#176A22}

/* Milk journey inside the food research lab */
.milk-journey-card{margin-top:20px;padding:20px;border:3px solid var(--block-ink);background:#FFFDF3;box-shadow:6px 6px 0 #835027}.milk-journey-intro{display:grid;grid-template-columns:132px 1fr;align-items:center;gap:18px;margin-bottom:15px;padding-bottom:14px;border-bottom:3px solid #25B8EE}.milk-journey-intro>span{padding:13px 8px;border:3px solid var(--block-ink);background:#25B8EE;color:#fff;text-align:center;font-family:"Arial Black",sans-serif;font-size:9px;letter-spacing:.08em}.milk-journey-intro small{color:#176A22;font-size:8px;font-weight:900}.milk-journey-intro h4{margin:4px 0 5px;font-size:21px}.milk-journey-intro p{margin:0;color:#4F5D61;font-size:10px;line-height:1.6}.milk-journey-links{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.milk-journey-links>a{display:grid;grid-template-columns:1fr auto;gap:4px 10px;min-height:112px;padding:14px;border:2px solid var(--block-ink);background:#EAF6D8;color:#25313B;transition:.15s}.milk-journey-links>a:hover{transform:translateY(-2px);background:#fff}.milk-journey-links>a.milk-craft-link{border-width:3px;background:#F2D63B}.milk-journey-links small{grid-column:1;color:#176A22;font-size:8px;font-weight:900}.milk-journey-links strong{grid-column:1;font-size:12px;line-height:1.4}.milk-journey-links span{grid-column:1;color:#4F5D61;font-size:8px;line-height:1.5}.milk-journey-links>a>b{grid-column:2;grid-row:1/4;align-self:center;font-size:17px}.milk-journey-top{display:flex;justify-content:flex-end;align-items:center;gap:9px;margin-top:13px;color:#176A22;font-size:9px;font-weight:900}.milk-journey-top b{font-size:15px}
@media(max-width:900px){.milk-journey-links{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.milk-journey-card{padding:16px 13px;box-shadow:5px 5px 0 #835027}.milk-journey-intro{grid-template-columns:1fr}.milk-journey-intro>span{justify-self:start}.milk-journey-links{grid-template-columns:1fr}.milk-journey-links>a{min-height:90px}}

/* Two-path SDGs challenge */
.sdgs-challenge-card{cursor:default}.sdgs-choice-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:auto;padding-top:13px}.sdgs-choice-links>a{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;min-height:70px;padding:10px;border:2px solid var(--block-ink);background:#FFFDF3;color:#25313B;transition:.15s}.sdgs-choice-links>a:hover{transform:translateY(-2px);background:#fff}.sdgs-choice-links>a.sdgs-choice-main{background:#F2D63B}.sdgs-choice-links>a>span{display:flex;min-width:0;flex-direction:column;gap:2px;color:#25313B}.sdgs-choice-links small{color:#176A22;font-size:7px;font-weight:900}.sdgs-choice-links b{font-size:10px}.sdgs-choice-links i{overflow:hidden;color:#4F5D61;font-size:7px;font-style:normal;text-overflow:ellipsis;white-space:nowrap}.sdgs-choice-links>a>strong{padding:0;color:#176A22;font-size:15px}
@media(max-width:560px){.sdgs-choice-links{grid-template-columns:1fr}.sdgs-choice-links>a{min-height:62px}}

/* Open hero layout with an original image */
.hero{border:0;background:transparent;box-shadow:none}.hero-visual{aspect-ratio:1;overflow:hidden;border:4px solid var(--block-ink);background:#8ADBF4;box-shadow:8px 8px 0 #208B2A}.hero-visual:after{content:none}.hero-visual>img{display:block;width:100%;height:100%;object-fit:cover}
@media(max-width:560px){.hero{border:0;background:transparent;box-shadow:none}.hero-visual{box-shadow:5px 5px 0 #208B2A}}

/* Seamless sky around the hero artwork */
body{background-color:#6EE6FC;background-image:linear-gradient(180deg,#2EC6FD 0,#6EE6FC 760px);background-repeat:no-repeat;background-size:100% 860px}.hero{background:transparent}.hero-visual{border:0;background:transparent;box-shadow:none;-webkit-mask-image:radial-gradient(ellipse at center,#000 58%,transparent 100%);mask-image:radial-gradient(ellipse at center,#000 58%,transparent 100%)}
@media(max-width:560px){.hero-visual{border:0;box-shadow:none}}

/* Artwork melts into the shared sky instead of ending as a visible panel */
.hero-visual{-webkit-mask-image:radial-gradient(ellipse at center,#000 44%,#000e 61%,#0008 76%,transparent 98%);mask-image:radial-gradient(ellipse at center,#000 44%,#000e 61%,#0008 76%,transparent 98%)}.hero-visual>img{transform:scale(1.035)}

/* Original block-world artwork for the element playground */
.featured-visual{min-height:340px;background:#25B8EE}.featured-visual>img{display:block;width:100%;height:100%;min-height:340px;object-fit:cover}.featured-visual>strong,.featured-visual>small{display:none}
@media(max-width:820px){.featured-visual,.featured-visual>img{min-height:280px;max-height:420px}}
@media(max-width:560px){.featured-visual,.featured-visual>img{min-height:245px;max-height:320px}}

/* Make all 118 elements and the find-and-collect play idea unmistakable */.featured-copy>p:first-child{display:flex;align-items:center;gap:9px}.featured-copy>p:first-child small{padding:4px 7px;border:1px solid #176A22;background:#EAF6D8;color:#176A22;font-size:8px}.featured-guide{color:#176A22;font-size:14px}

/* One continuous QuizKnock area instead of three separate panels */
.quizknock-unified{max-width:1144px;margin:0 auto;border:3px solid var(--block-ink);background:#FFFDF3;box-shadow:8px 8px 0 #835027}.quizknock-feature-heading{display:block;margin:0;padding:30px 30px 18px;border:0;background:transparent;color:#25313B;box-shadow:none}.quizknock-feature-heading .section-kicker{color:#176A22}.quizknock-feature-section>.quizknock-unified>.quizknock-featured{padding:10px 30px 26px;border:0;background:transparent;box-shadow:none}.quizknock-series-details{margin:0 30px 30px;border:0;border-top:3px solid var(--block-ink);background:transparent;box-shadow:none}.quizknock-series-details>summary{padding:21px 0;background:transparent;color:#25313B}.quizknock-series-details .quizknock-body{padding:24px 0 0;border-top:2px solid #6e795f;background:transparent}
@media(max-width:560px){.quizknock-unified{box-shadow:5px 5px 0 #835027}.quizknock-feature-heading{padding:24px 18px 14px}.quizknock-feature-section>.quizknock-unified>.quizknock-featured{padding:8px 18px 22px}.quizknock-series-details{margin:0 18px 22px}.quizknock-series-details .quizknock-body{padding:20px 0 0}}

/* Put the 118-element mission beside the title */
.featured-guide{display:flex;align-items:center;gap:10px;margin:0 0 13px}.featured-guide b{display:grid;place-items:center;min-width:58px;padding:8px 9px;border:3px solid var(--block-ink);background:#F2D63B;color:#25313B;font-family:"Arial Black",sans-serif;font-size:25px;line-height:1}.featured-guide span{color:#176A22;font-size:14px;font-weight:900}

/* Puzzle dungeon treatment for QuizKnock */
.quizknock-unified{position:relative;overflow:hidden;border:4px solid #1B2438;background-color:#172544;background-image:linear-gradient(90deg,#ffffff0b 2px,transparent 2px),linear-gradient(#ffffff0b 2px,transparent 2px);background-size:48px 32px;box-shadow:10px 10px 0 #704725}.quizknock-unified:before{display:block;height:18px;border-bottom:3px solid #BF9004;content:"";background:repeating-linear-gradient(90deg,#6A2632 0 46px,#BF9004 46px 50px)}.quizknock-feature-heading{padding-top:28px;color:#FFFDF3}.quizknock-feature-heading .section-kicker,.quizknock-featured h3,.quizknock-group h3{color:#F2D63B}.quizknock-feature-section>.quizknock-unified>.quizknock-featured{background:transparent}.quizknock-featured a{border:3px solid #BF9004;background:#FFF2D2;color:#25313B;box-shadow:4px 4px 0 #0B1328}.quizknock-featured a:hover{background:#F2D63B}.quizknock-series-details{border-top-color:#BF9004}.quizknock-series-details>summary{color:#FFFDF3}.quizknock-series-details>summary>b{display:grid;place-items:center;width:38px;height:38px;border:2px solid #BF9004;background:#6A2632;color:#fff}.quizknock-series-details .quizknock-body{border-top-color:#BF9004}.quizknock-body section a{border-color:#BF9004;background:#FFFDF3}.quizknock-home-link{border-color:#BF9004;background:#6A2632}

/* Match the breathing room used by the other major sections */
.world-feature-section{padding-top:64px}
@media(max-width:560px){.featured-guide b{min-width:52px;font-size:22px}.featured-guide span{font-size:12px}.quizknock-unified:before{height:13px}.world-feature-section{padding-top:48px}}

/* Curated entrances for the three large civic-learning sites */
.world-feature-links{display:grid;gap:7px;margin-top:16px}.world-feature-links>a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 10px;border:2px solid var(--feature);background:#FFFDF3;color:var(--feature);font-size:10px;font-weight:900;transition:.15s}.world-feature-links>a:hover{background:var(--feature-soft);transform:translateX(2px)}.world-feature-links b{font-size:14px}.world-feature-top{display:flex;align-items:center;justify-content:flex-end;gap:9px;margin-top:auto;padding-top:14px;color:var(--feature);font-size:9px;font-weight:900}.world-feature-top b{font-size:15px}
@media(max-width:560px){.world-feature-links>a{padding:8px;font-size:9px}.world-feature-top{font-size:8px}}

/* Explain why QuizKnock is fun before presenting the quests */
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@media(max-width:850px){.quizknock-appeal{grid-template-columns:repeat(3,1fr)}.quizknock-appeal>a{grid-column:1/4}}
@media(max-width:560px){.quizknock-feature-heading>div>p:not(.section-kicker){font-size:11px}.quizknock-appeal{grid-template-columns:1fr}.quizknock-appeal>a{grid-column:auto}.quizknock-appeal>span,.quizknock-appeal>a{min-height:68px}.quizknock-appeal>span small br{display:none}}

/* Growth observation card */

/* Visual math library */

/* Reorganized learning worlds */
.maff-entry-links{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;width:100%;margin-top:auto;padding-top:11px}.maff-entry-links>a{display:flex;align-items:center;justify-content:space-between;gap:7px;padding:8px 9px;border:2px solid #176A22;background:#FFFDF3;color:#176A22;font-size:9px;font-weight:900}.maff-entry-links i{font-style:normal}
.major-section-heading{display:grid;grid-template-columns:160px 1fr;align-items:center;gap:24px;margin-bottom:22px;padding:26px 28px;border:4px solid var(--block-ink);color:#fff;box-shadow:8px 8px 0 #835027}.major-section-heading>span{padding:15px 10px;border:3px solid #fff;text-align:center;font-family:"Arial Black",sans-serif;font-size:10px;letter-spacing:.1em}.major-section-heading h2{margin:4px 0 7px;font-size:32px}.major-section-heading p{max-width:780px;margin:0;font-size:11px;line-height:1.7}.major-section-heading .section-kicker{font-weight:900}
.space-exploration-section,.life-skills-section,.food-lab-section,.nature-lab-section,.disaster-section{max-width:none;padding:68px max(28px,calc((100% - 1144px)/2)) 74px;border-top:6px solid var(--block-ink)}
.space-exploration-section{background-color:#172544;background-image:linear-gradient(#ffffff0b 2px,transparent 2px),linear-gradient(90deg,#ffffff0b 2px,transparent 2px);background-size:42px 42px}.space-exploration-heading{background:#0426BF;box-shadow:8px 8px 0 #0B1328}.space-exploration-heading>span{background:#BF0426}.space-exploration-heading .section-kicker{color:#A8E6F6}.alma-observatory-card{display:grid;grid-template-columns:.85fr 1.5fr;gap:20px;margin-bottom:16px;padding:26px;border:4px solid #BF9004;background:#FFFDF3;color:#25313B;box-shadow:8px 8px 0 #0B1328}.alma-observatory-card>div:first-child{display:flex;flex-direction:column}.alma-observatory-card small{color:#087FB3;font-size:9px;font-weight:900}.alma-observatory-card h3{margin:7px 0 9px;font-size:27px}.alma-observatory-card p{margin:0;font-size:10px;line-height:1.7}.alma-observatory-card>div:first-child>a{margin-top:auto;padding-top:14px;color:#0426BF;font-size:10px;font-weight:900}.alma-choice-links{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.alma-choice-links>a,.space-mission-grid>a{display:grid;grid-template-columns:1fr auto;gap:5px 10px;padding:15px;border:3px solid var(--block-ink);background:#E5F8FD;color:#25313B;transition:.15s}.alma-choice-links>a:hover,.space-mission-grid>a:hover{transform:translateY(-3px);background:#fff}.alma-choice-links small,.space-mission-grid small{grid-column:1;color:#087FB3}.alma-choice-links strong,.space-mission-grid strong{grid-column:1;font-size:12px;line-height:1.4}.alma-choice-links>a>b,.space-mission-grid>a>b{grid-column:2;grid-row:1/3;align-self:center;font-size:18px}.space-mission-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}.space-mission-grid>a{min-height:150px;background:#FFF2D2}.space-mission-grid>a.space-mission-main{background:#F2D63B}.space-mission-grid span{grid-column:1;color:#4F5D61;font-size:9px;line-height:1.55}.space-mission-grid>a>b{grid-row:1/4}.section-source-note{margin:15px 0 0;color:#A8E6F6;font-size:8px;font-weight:700}
.disaster-section{background:#F2D63B}.disaster-section .disaster-mission-card{grid-column:auto;max-width:1144px;margin:auto}
.life-skills-section{background-color:#F28CA8;background-image:linear-gradient(#ffffff22 2px,transparent 2px),linear-gradient(90deg,#ffffff22 2px,transparent 2px);background-size:32px 32px}.life-skills-heading{background:#BF0426}.life-skills-heading>span{background:#6A2632}.life-skills-heading .section-kicker{color:#FFF2D2}.life-skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.life-skills-grid>article{display:flex;min-height:270px;flex-direction:column;padding:22px;border:4px solid var(--block-ink);background:#FFFDF3;color:#25313B;box-shadow:7px 7px 0 #7E3348}.life-skills-grid>article>b{align-self:flex-start;padding:7px 9px;background:#BF0426;color:#fff;font-size:11px}.life-skills-grid h3{margin:13px 0 7px;font-size:22px}.life-skills-grid p{margin:0;color:#4F5D61;font-size:10px;line-height:1.6}.life-skills-grid article>div{display:grid;gap:7px;margin-top:auto;padding-top:17px}.life-skills-grid a{display:flex;align-items:center;justify-content:space-between;gap:9px;padding:9px 10px;border:2px solid #BF0426;background:#F7E5EA;color:#6A2632;font-size:10px;font-weight:900}.life-skills-grid a>b{font-size:14px}.life-skills-top{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;color:#6A2632;font-size:10px;font-weight:900}
.food-lab-section{background:#EAF6D8}.food-lab-section .food-research-card{grid-column:auto;max-width:1144px;margin:auto}.maff-learning-panel{display:grid;grid-template-columns:.75fr 2fr;gap:14px;margin:20px 0;padding:20px;border:3px solid var(--block-ink);background:#EAF6D8}.maff-learning-panel>div:first-child small{color:#176A22;font-size:8px;font-weight:900}.maff-learning-panel h4{margin:5px 0 7px;font-size:21px}.maff-learning-panel p{margin:0;font-size:9px;line-height:1.6}.maff-learning-panel>div:nth-child(2){display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.maff-learning-panel>div:nth-child(2)>a{display:grid;grid-template-columns:1fr auto;gap:3px 8px;padding:11px;border:2px solid #176A22;background:#FFFDF3;color:#25313B}.maff-learning-panel a small{grid-column:1;color:#176A22;font-size:7px;font-weight:900}.maff-learning-panel a strong{grid-column:1;font-size:10px}.maff-learning-panel a span{grid-column:1;color:#4F5D61;font-size:8px;line-height:1.4}.maff-learning-panel a b{grid-column:2;grid-row:1/4;align-self:center}.maff-learning-panel>a{grid-column:1/-1;justify-self:end;color:#176A22;font-size:9px;font-weight:900}
.nature-lab-section{background-color:#39C924;background-image:linear-gradient(#ffffff22 2px,transparent 2px),linear-gradient(90deg,#ffffff22 2px,transparent 2px);background-size:32px 32px}.nature-lab-heading{background:#176A22}.nature-lab-heading>span{background:#087FB3}.nature-lab-heading .section-kicker{color:#EAF6D8}.nature-lab-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.nature-lab-grid>a{display:flex;min-height:230px;flex-direction:column;padding:26px;border:4px solid var(--block-ink);background:#FFFDF3;color:#25313B;box-shadow:8px 8px 0 #176A22;transition:.15s}.nature-lab-grid>a:hover{transform:translate(-2px,-2px);box-shadow:10px 10px 0 #176A22}.nature-lab-grid small{color:#176A22;font-size:9px;font-weight:900}.nature-lab-grid h3{margin:8px 0 10px;font-size:25px}.nature-lab-grid p{margin:0;color:#4F5D61;font-size:11px;line-height:1.7}.nature-lab-grid strong{margin-top:auto;padding-top:16px;color:#176A22;font-size:11px}.learning-games-single{grid-template-columns:1fr}.learning-games-single .learning-game-card{grid-template-columns:230px 1fr}
@media(max-width:900px){.alma-observatory-card{grid-template-columns:1fr}.space-mission-grid{grid-template-columns:repeat(2,1fr)}.maff-learning-panel{grid-template-columns:1fr}.life-skills-grid{grid-template-columns:1fr}.life-skills-grid>article{min-height:220px}}
@media(max-width:560px){.space-exploration-section,.life-skills-section,.food-lab-section,.nature-lab-section,.disaster-section{padding:48px 18px 54px}.major-section-heading{grid-template-columns:1fr;padding:22px 19px;box-shadow:5px 5px 0 #835027}.major-section-heading>span{justify-self:start}.major-section-heading h2{font-size:25px}.alma-observatory-card{padding:19px;box-shadow:5px 5px 0 #0B1328}.alma-choice-links,.space-mission-grid,.maff-learning-panel>div:nth-child(2),.nature-lab-grid{grid-template-columns:1fr}.space-mission-grid>a{min-height:115px}.life-skills-grid>article{min-height:205px;padding:19px;box-shadow:5px 5px 0 #7E3348}.maff-learning-panel{padding:15px}.nature-lab-grid>a{min-height:195px;padding:21px;box-shadow:5px 5px 0 #176A22}.learning-games-single .learning-game-card{grid-template-columns:1fr}.maff-entry-links{grid-template-columns:1fr}}

/* Stack the world-map artwork above its copy on phones */
@media(max-width:560px){.world-feature-card{grid-template-columns:1fr;grid-template-rows:190px auto}.world-feature-visual{min-height:190px;background-position:center}.world-feature-visual small{right:8px;bottom:8px;max-width:none;padding:6px 8px;font-size:8px}.world-feature-copy{padding:22px 18px 24px}}