*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:65px}body{margin:0;font-family:"Yu Gothic",Meiryo,sans-serif}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button{font:inherit;cursor:pointer}h1,h2,h3,p,figure{margin:0}a:focus-visible,button:focus-visible{outline:3px solid #ed8d13;outline-offset:4px}
.study-bar{position:sticky;top:0;z-index:100;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:0 28px;min-height:46px;background:#fff;color:#24282b;border-bottom:1px solid #d9dde0;font:700 12px/1.5 Arial,"Yu Gothic",sans-serif;letter-spacing:.04em}.study-brand{font-size:11px;letter-spacing:.13em}.study-links{display:flex;align-items:center;gap:4px}.study-links a{padding:8px 13px;min-height:34px;display:grid;place-items:center}.study-links a[aria-current=page]{background:#202529;color:white}.study-links a:hover{background:#e9ecee;color:#202529}.study-links .all{margin-right:12px}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
.rough-menu{color:inherit}
@media(max-width:700px){.proposal-head{gap:12px}.proposal-label{font-size:10px}.proposal-end h2{font-size:21px}}