.theory{min-height:1450px;padding:220px max(7vw,28px) 140px;color:#fff;background:#161616;overflow:hidden}.theory-bg{position:absolute;top:-220px;left:-7%;width:min(107vw,2048px);opacity:.78;pointer-events:none}.theory h2{position:relative;z-index:1;margin:0;font:700 clamp(42px,5vw,68px)/1.3 "Noto Sans SC",sans-serif}.theory-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:150px 190px;max-width:1340px;margin:80px auto 0}.theory-grid article{justify-self:center;width:min(100%,368px);min-height:410px;padding:40px;border:1px solid #111;background:#fff;color:#111;box-shadow:inset 8px 8px 0 rgba(255,255,255,.4),inset -8px -8px 0 rgba(0,0,0,.05)}.theory-grid article:nth-child(1){grid-column:2}.theory-grid article:nth-child(2){grid-column:1}.theory-grid article:nth-child(3){grid-column:2}.theory-grid article img{width:64px;height:64px;object-fit:contain;vertical-align:middle}.theory-grid h3{display:inline-block;width:calc(100% - 88px);margin:0 0 0 18px;vertical-align:middle;font-size:27px;font-weight:400}.theory-grid p{margin:70px 0 0;padding-top:28px;border-top:1px solid #111;font-size:19px;line-height:1.5}@media(max-width:800px){.theory{min-height:auto;padding:110px 24px}.theory-bg{top:-80px;width:900px;left:-300px;opacity:.42}.theory-grid{grid-template-columns:1fr;gap:24px;margin-top:60px}.theory-grid article,.theory-grid article:nth-child(n){grid-column:auto;justify-self:stretch;width:auto;min-height:300px}.theory-grid p{margin-top:42px;font-size:16px}}