:root{font-family:Arial,Helvetica,sans-serif;color:#fff;background:#17354a;font-size:16px;line-height:1.5}*{box-sizing:border-box}body{margin:0}header{padding:25px 6%;border-bottom:1px solid #496273;display:flex;justify-content:space-between;gap:20px;align-items:center}a{color:inherit}header a{text-decoration:none;font-size:22px;font-weight:bold}.logo{display:inline-block;padding:1px 12px;background:#bce7d2;color:#17354a;border-radius:7px;margin-right:10px;transform:rotate(-7deg)}main{max-width:1000px;margin:55px auto;padding:0 24px}h1{font-size:clamp(34px,6vw,58px);line-height:1.08;letter-spacing:-1.5px}h2{font-size:26px}p{max-width:550px}form{max-width:430px;background:#f4f6f0;color:#17354a;padding:30px;border-radius:16px}label{display:block;margin:15px 0 6px}input{width:100%;border:1px solid #7886a4;padding:12px;font:inherit;border-radius:6px}button,.button{font:inherit;font-weight:bold;border:0;border-radius:30px;background:#bce7d2;color:#17354a;padding:12px 22px;cursor:pointer;display:inline-block;text-decoration:none}form button{margin:22px 0 12px}button:disabled{opacity:.6;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #ef8b30;outline-offset:4px}.subjects{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:24px}.subject{background:#f4f6f0;color:#17354a;padding:30px;border-radius:16px;text-decoration:none}.subject:last-child{background:#dbeae7}.note{font-size:14px}.error{color:#a21c29}#message{min-height:24px}footer{padding:25px 6%;font-size:14px}@media(max-width:600px){header{align-items:flex-start;flex-wrap:wrap}main{margin:30px auto}form{padding:22px}}
.science-main{max-width:860px}.science-main h1{margin-bottom:16px}.science-main>p{max-width:690px}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-weight:bold;font-size:13px;color:#bce7d2}.science-nav{display:flex;flex-wrap:wrap;gap:22px;margin:24px 0 34px}.science-card{background:#f4f6f0;color:#17354a;padding:28px;border-radius:18px;margin:24px 0}.science-card h2{margin-top:0}.science-card p{max-width:none}.science-card fieldset{border:1px solid #b8c7c6;border-radius:12px;padding:18px;margin:18px 0}.science-card fieldset h3{margin:18px 0 4px;font-size:17px}.science-card fieldset h3:first-of-type{margin-top:5px}.science-card legend{font-weight:bold;padding:0 8px}.checkline{display:flex;gap:9px;align-items:flex-start;margin:8px 0;cursor:pointer}.checkline input{width:auto;margin:5px 0 0;accent-color:#17354a}.science-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.science-fields input{max-width:150px;display:block}.science-actions{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 8px}.secondary{background:#dbeae7}.notice{background:#fff3ce;border-left:4px solid #e19722;padding:14px;border-radius:6px}.choice-list{display:grid;gap:10px;margin:20px 0}.choice-list button{text-align:left;border-radius:10px;background:white;border:2px solid #94aaa8}.choice-list button.right{background:#cdeedb;border-color:#27815b}.choice-list button.wrong{background:#ffe0df;border-color:#b63e42}.science-table{border-collapse:collapse;width:100%;background:white}.science-table th,.science-table td{padding:10px;border-bottom:1px solid #c7d1ce;text-align:left}.science-table th{background:#dbeae7}.science-card{overflow-x:auto}@media(max-width:600px){.science-card{padding:20px}.science-fields{grid-template-columns:1fr}.science-table{font-size:14px}}
.trend-row{display:grid;grid-template-columns:105px 1fr 100px;align-items:center;gap:10px;margin:8px 0;font-size:14px}.trend-track{height:16px;background:#d8e1dd;border-radius:20px;overflow:hidden}.trend-track span{display:block;height:100%;background:#27815b;border-radius:20px}.trend-row strong{text-align:right}.science-main .eyebrow{color:#bce7d2}@media(max-width:600px){.trend-row{grid-template-columns:90px 1fr 77px;font-size:12px}}

