:root{--ink:#303e34;--green:#3c6650;--mint:#e4ebd8;--paper:#fffcf2;--coral:#bd643f;--line:#ded7c5;--muted:#6d7766}body{background-color:#f5efdf;background-image:radial-gradient(#a79b7b22 .8px,transparent .8px);background-size:8px 8px}header{border-bottom:2px solid #dcd3bd;background:#fffcf3}.brand{color:#375342}.brand-icon{color:#b75f3a}nav a{color:#52654e}nav a.active:after{background:#b9603d}.outline{border-radius:13px;border-color:#859877;min-height:44px}.primary{background:#42664f;border-radius:14px;box-shadow:0 4px 0 #294331!important}.primary:hover{background:#34563f}.secondary{border-radius:12px;background:#e4e8d5;min-height:44px}.panel,.resource{background:#fffcf2;border-color:#ddd3bb}.panel{border-radius:22px;box-shadow:0 4px 0 #e5ddc9}.panel h2{color:#3c6048}.panel p,.panel li{font-size:16px;line-height:1.9}.resource p{font-size:15px}.page-heading p{font-size:17px}.catalog-card{border-top:2px solid #d8cfb9!important;border-color:#d8cfb9;background:#fffcf2;box-shadow:0 5px 0 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p{color:#586c50}.paper-art{position:absolute;right:2%;top:12%;width:38%;height:80%;z-index:-1}.paper-sun{position:absolute;width:95px;height:95px;background:#c2814a;border-radius:49% 51% 44% 56%;right:20px;top:10px;box-shadow:0 0 0 12px #e2bf7b66}.paper-shape{position:absolute;box-shadow:inset 0 0 0 3px #fff3;background-image:repeating-linear-gradient(45deg,transparent 0 9px,#fff3 9px 11px)}.paper-shape.circle{width:120px;height:120px;border-radius:49% 51% 53% 47%;left:10px;top:50px;background-color:#75916a;transform:rotate(-12deg)}.paper-shape.triangle{width:140px;height:150px;background-color:#b46344;right:70px;bottom:20px;clip-path:polygon(50% 0,100% 100%,0 100%)}.paper-shape.square{width:90px;height:110px;background-color:#c4aa67;left:15px;bottom:10px;transform:rotate(14deg);border-radius:5px}.paper-wave{position:absolute;left:0;right:0;bottom:-5px;height:14px;background:repeating-linear-gradient(90deg,#55734f 0 16px,transparent 16px 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#dcdcc3;position:relative;min-height:330px}.hero-catalog h1{color:#3b553e}.hero-catalog p{color:#647254}.catalog-art{height:330px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 80%,#bdc6a4 0 32%,transparent 33%)}.art-book{display:flex;align-items:center;justify-content:center;position:absolute;width:120px;height:180px;border-radius:4px 16px 16px 4px;border-left:10px solid #0001;box-shadow:9px 9px 0 #40573518;bottom:66px;color:#fff5df;background-image:repeating-linear-gradient(0deg,transparent 0 30px,#fff1 30px 31px)}.art-book b{font-size:45px;font-weight:800}.book-one{background-color:#64825c;left:7%;transform:rotate(-17deg)}.book-two{background-color:#c18a4c;left:34%;bottom:76px;transform:rotate(3deg);z-index:2}.book-three{background-color:#ad6247;left:60%;transform:rotate(15deg)}.art-spark{font-size:45px;color:#a96e3d;position:absolute;left:14%;top:14px}.art-dot{position:absolute;width:30px;height:30px;right:14%;top:25px;border-radius:50%;background:#91a372}.flow li{border-color:#ddd6c0}.flow li:before{color:#ae6d44}.flow strong{color:#4a6245}dialog{border-radius:25px;border:2px solid #c6c9a6;background:#fffaf0}dialog h2{color:#3b5e43}.game-board{background:#e7ebd9;border-color:#c7ceb1}.game-total{color:#426c49}.close{width:44px;height:44px;border-radius:50%;background:#ece9d5;top:10px;right:10px}.pending,.mission-tag{color:#825c38;background:#efe2c6}.shell:focus-visible{outline:3px solid #ae633e;outline-offset:4px}footer{font-size:13px;border-color:#d7ceb7;padding:24px 16px 35px}.style-settings-link{font-size:14px;color:#647855;text-decoration:underline;text-underline-offset:4px}html{scroll-behavior:smooth}#missions{scroll-margin-top:25px}
@media(max-width:850px){.art-book{width:95px;height:150px}.book-one{left:2%}.book-two{left:30%}.book-three{left:56%}.class-copy{padding:30px}.paper-art{right:0;width:38%}.paper-shape.circle{width:90px;height:90px}.paper-shape.square{width:70px;height:90px}.paper-shape.triangle{width:100px;height:120px;right:35px}.paper-sun{width:65px;height:65px;right:12px}.class-copy h1{font-size:40px}}
@media(max-width:600px){.class-hero.classroom-cover{min-height:430px;align-items:flex-start}.class-copy{width:100%;padding:25px;z-index:2}.class-copy h1{font-size:36px;max-width:310px}.class-copy p{font-size:16px;max-width:280px}.paper-art{width:180px;height:140px;right:12px;top:auto;bottom:18px;opacity:.8}.paper-sun{width:40px;height:40px;right:8px;top:0}.paper-shape.circle{width:60px;height:60px;top:20px}.paper-shape.triangle{width:75px;height:80px;right:22px;bottom:5px}.paper-shape.square{width:45px;height:55px;bottom:0}.paper-wave{height:7px}.paper-dots{display:none}.class-hero.classroom-cover .paper-art:after{font-size:25px;right:0}.catalog-art{height:235px}.art-book{width:100px;height:145px;bottom:30px}.book-one{left:15%}.book-two{left:39%;bottom:42px}.book-three{left:63%}.art-book b{font-size:35px}.art-spark{top:0;left:20%;font-size:36px}.art-dot{width:20px;height:20px;top:5px;right:18%}.hero-catalog{min-height:0}.class-welcome label{font-size:16px}.class-welcome input{max-width:125px}.mission-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mission{min-height:245px}.panel p,.panel li{font-size:16px}.class-label{font-size:12px}.class-copy .primary{font-size:16px;padding:11px 18px}.class-teacher{font-size:13px}.class-adjacent{flex-wrap:wrap}.class-stamps .shell{min-width:52px;min-height:52px}}
.zone-route{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:20px 0 26px}.zone-route button{min-height:78px;background:#fffcf2;border:2px solid #d2d6ba;border-radius:18px;color:#3c6048;display:flex;align-items:center;justify-content:center;gap:10px;padding:12px;font-weight:800}.zone-route button:hover{background:#e8edd8;transform:translateY(-2px)}.zone-route b{display:grid;place-items:center;background:#42664f;color:#fff;width:28px;height:28px;border-radius:50%;flex-shrink:0;font-size:14px}.zone-route span{font-size:18px}.zone-sections{display:grid;gap:17px}.course-zone{border:2px solid #d6d7ba;border-radius:22px;background:#fffdf3;box-shadow:0 4px 0 #e0ddc8;scroll-margin-top:24px;overflow:hidden}.course-zone summary{display:flex;align-items:center;gap:20px;cursor:pointer;list-style:none;min-height:100px;padding:23px 26px}.course-zone summary::-webkit-details-marker{display:none}.course-zone summary:after{content:'＋';font-size:25px;color:#5b7354}.course-zone[open] summary:after{content:'－'}.course-zone summary:focus-visible{outline:3px solid #ac653e;outline-offset:-5px}.zone-number{font-size:28px;font-weight:900;letter-spacing:1px;color:#7d8a62}.zone-heading{flex:1;min-width:0}.zone-heading strong{display:block;font-size:24px;color:#385b41;line-height:1.4}.zone-heading small{display:block;font-size:15px;color:#65765d;margin-top:5px}.zone-mark{font-size:28px}.course-zone:nth-child(2){background:#edf0dd;border-color:#cbd3ae}.course-zone:nth-child(3){background:#fbefd9;border-color:#e2d0aa}.course-zone:nth-child(4){background:#f3e3d7;border-color:#ddc2ac}.course-zone:nth-child(5){background:#ebe6ef;border-color:#d0c6d9}.zone-content{padding:0 26px 24px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr));gap:14px}.zone-activity{text-align:left;border:1px solid #c9ceae;border-radius:16px;background:#fffdf6;padding:20px;display:flex;flex-direction:column;color:#354e38;min-height:150px}.zone-activity:hover{box-shadow:0 5px 14px #46563c15;border-color:#748e63}.zone-activity strong{font-size:19px;line-height:1.5}.zone-activity span{font-size:15px;line-height:1.8;color:#65735b;margin:7px 0 15px}.zone-activity small{font-size:14px;color:#526c46;font-weight:700;margin-top:auto}.zone-pending{margin:0;padding:18px 20px;background:#fffcf1bb;border:1px dashed #c6c5aa;border-radius:14px;color:#687259;font-size:16px}.zone-route button:focus-visible,.zone-activity:focus-visible{outline:3px solid #ac653e;outline-offset:3px}
@media(max-width:850px){.zone-route{gap:8px}.zone-route button{flex-direction:column;padding:12px 6px;gap:7px}.zone-route span{font-size:16px}}
@media(max-width:600px){.zone-route{gap:6px;margin:17px 0 22px}.zone-route button{min-height:80px;border-radius:14px;border-width:1px;padding:10px 2px}.zone-route span{font-size:14px;white-space:nowrap}.zone-route b{width:24px;height:24px;font-size:12px}.course-zone summary{gap:12px;padding:20px 16px;min-height:95px}.zone-heading strong{font-size:22px}.zone-heading small{font-size:14px}.zone-number{font-size:23px}.zone-mark{display:none}.zone-content{padding:0 16px 20px}.zone-activity{padding:18px;min-height:130px}.mission-heading{align-items:flex-start;gap:8px;flex-direction:column}}
@media print{.zone-route{display:none}.course-zone{break-inside:avoid;box-shadow:none}.course-zone>.zone-content{display:grid!important}.course-zone summary:after{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}