.ch-sum{border-top:1px solid var(--line);color:var(--ink-2);flex-wrap:wrap;gap:10px 28px;margin-top:34px;padding-top:22px;font-size:15px;display:flex}.ch-sum b{font:800 30px/1 var(--display);color:var(--ink);letter-spacing:-.02em;margin-right:6px}.ch-sum span{align-items:baseline;display:inline-flex}.ch-bar{flex-wrap:wrap;align-items:center;gap:8px;margin-top:70px;display:flex}.ch-bar>span{color:var(--ink-2);margin-right:8px;font-size:14px}.ch-bar button{all:unset;cursor:pointer;border:1px solid var(--line);color:var(--ink-2);border-radius:999px;align-items:center;gap:8px;padding:7px 13px;font-size:14px;transition:all .2s;display:inline-flex}.ch-bar button span{color:var(--text-3);font-size:12px}.ch-bar button:before{content:"";box-sizing:border-box;border:1.5px solid #c5c8cf;border-radius:50%;width:6px;height:6px}.ch-bar button:hover{border-color:var(--ink);color:var(--ink)}.ch-bar button[aria-pressed=true]{--text-3:var(--ink-3);background:var(--ink);border-color:var(--ink);color:#fff}.ch-bar button[aria-pressed=true]:before{background:var(--pt);border:0}.ch-bar button:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.ch-grid{grid-template-columns:240px minmax(0,760px);gap:80px;margin-top:40px;display:grid}.ch-grid>nav{align-self:start;max-height:calc(100vh - 140px);position:sticky;top:110px;overflow-y:auto}.ch-month+.ch-month{margin-top:22px}.ch-nav{font-size:14.5px;list-style:none}.ch-grid .ch-lab{letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);margin-bottom:10px;font-size:12px;font-weight:600}.ch-nav a{color:var(--text-3);grid-template-columns:14px 1fr auto;align-items:baseline;gap:10px;padding:8px 0;transition:color .2s;display:grid}.ch-nav a i{border:1.5px solid #c5c8cf;border-radius:50%;width:7px;height:7px;transition:all .2s}.ch-nav a small{color:var(--text-3);font-size:12.5px}.ch-nav a:hover{color:var(--ink-2)}.ch-nav a.on{color:var(--ink)}.ch-nav a.on i{background:var(--blue);border-color:var(--blue)}.ch-fil{border-top:2px solid var(--ink);padding-left:44px;position:relative}.ch-fil:before{content:"";background:var(--line);width:1px;position:absolute;top:0;bottom:0;left:6px}.ch-wk{padding-top:40px;scroll-margin-top:100px;position:relative}.ch-wk+.ch-wk{margin-top:40px}.ch-wk[hidden]{display:none}.ch-wk h2{flex-wrap:wrap;align-items:baseline;gap:6px 16px;display:flex;position:relative}.ch-wk h2:before{content:"";background:var(--pt);border-radius:50%;width:13px;height:13px;position:absolute;top:10px;left:-44px;box-shadow:0 0 0 5px #fff}.ch-wk h2 span{font:800 36px/1.05 var(--display);letter-spacing:-.025em}.ch-wk h2 small{color:var(--ink-2);font-size:14px}.ch-e{border-bottom:1px solid var(--line);padding:30px 0 32px;scroll-margin-top:100px;position:relative}.ch-e:last-child{border-bottom:0}.ch-e:before{content:"";box-sizing:border-box;background:#fff;border:1.5px solid #c5c8cf;border-radius:50%;width:9px;height:9px;position:absolute;top:39px;left:-42px}.ch-e[hidden]{display:none}.ch-meta{color:var(--ink-2);flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13.5px;display:flex}.ch-ty{color:var(--ink);align-items:center;gap:7px;font-weight:600;display:inline-flex}.ch-ty:before{content:"";box-sizing:border-box;border-radius:50%;width:7px;height:7px}.ch-feature:before{background:var(--pt)}.ch-evolution:before{border:1.5px solid var(--blue)}.ch-fix:before{background:#c5c8cf}.ch-th:before{content:"·";color:var(--text-3);margin-right:14px}.ch-meta time{color:var(--text-3);margin-left:auto;font-size:13px}.ch-meta .tag{padding:3px 9px;font-size:12px}.ch-e h3{font:700 28px/1.15 var(--display);letter-spacing:-.02em;margin-top:12px}.ch-why{color:var(--ink-2);max-width:640px;margin-top:10px;font-size:17px;line-height:1.6}.ch-media{margin-top:20px}.ch-media img,.ch-media video{aspect-ratio:16/9;object-fit:contain;border:1px solid var(--line);background:var(--soft);border-radius:14px;width:100%;display:block}.ch-ch{border-top:1px solid var(--line);margin-top:18px;list-style:none}.ch-ch li{border-bottom:1px solid var(--line);grid-template-columns:1fr auto;align-items:baseline;gap:20px;padding:11px 0 11px 20px;font-size:15.5px;line-height:1.5;display:grid;position:relative}.ch-ch li:before{content:"";background:var(--ink);border-radius:50%;width:5px;height:5px;position:absolute;top:19px;left:2px}.ch-ch time{color:var(--text-3);white-space:nowrap;font-size:13px}.ch-how{color:var(--ink-2);max-width:680px;margin-top:16px;font-size:14.5px;line-height:1.55}.ch-how b{color:var(--ink);font-weight:600}.ch-help{margin-top:14px;font-size:14.5px;display:inline-block}.ch-empty{color:var(--ink-2);padding:40px 0}@media (max-width:1100px){.ch-grid{grid-template-columns:1fr;gap:0}.ch-grid>nav{display:none}}@media (max-width:820px){.ch-bar{margin-top:50px}.ch-fil{padding-left:30px}.ch-fil:before{left:5px}.ch-wk h2:before{width:11px;height:11px;top:7px;left:-30px}.ch-wk h2 span{font-size:27px}.ch-e:before{left:-29px}.ch-e h3{font-size:22px}.ch-meta time{width:100%;margin-left:0}.ch-why{font-size:16px}.ch-ch li{grid-template-columns:1fr;gap:2px;font-size:15px}.ch-sum b{font-size:24px}}