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button{border-radius:var(--radius);color:#fff;min-width:96px;font:inherit;cursor:pointer;border:0;justify-content:center;align-items:center;padding:8px 14px;font-size:.82rem;font-weight:700;text-decoration:none;display:inline-flex}.share__x{background:#111}.share__facebook{background:#1877f2}.share__line{background:#06c755}.share__hatena{background:#00a4de}.share__copy{background:#5b6770}.author-box{border:1px solid var(--c-border);border-radius:var(--radius);background:var(--c-surface);align-items:center;gap:12px;margin-top:32px;padding:16px 20px;font-size:.9rem;display:flex}.author-box__label{color:var(--c-text-sub);font-size:.78rem}.related{margin-top:56px}.related .post-grid{gap:24px 20px}.related .card__title{font-size:.92rem}.site-footer{background:var(--c-header);color:#ffffffd9;font-size:.85rem}.site-footer__inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-block:32px;display:flex}.site-footer__links{flex-wrap:wrap;gap:8px 20px;margin:0;padding:0;list-style:none;display:flex}.site-footer a{color:inherit;text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}.site-footer__copy{margin:0}.back-to-top{z-index:40;border:1px solid var(--c-main);width:48px;height:48px;color:var(--c-main);box-shadow:var(--shadow);opacity:0;visibility:hidden;background:#ffffffeb;border-radius:50%;place-items:center;text-decoration:none;transition:opacity .2s,visibility .2s;display:grid;position:fixed;bottom:20px;right:20px}.is-scrolled .back-to-top{opacity:1;visibility:visible}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}