.unit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.unit-grid article{padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--paper)}.unit-grid h3{margin:0;color:var(--coral);font-size:15px}.unit-grid ul{display:grid;gap:7px;margin:14px 0 0;padding:0;list-style:none}.unit-grid a{font-weight:700;text-decoration:none}.unit-grid a:hover{text-decoration:underline}.unit-select{display:grid;max-width:500px;gap:7px;margin:0 auto 26px;text-align:left;font-size:13px;font-weight:800}.question-visual{margin:34px 0 18px;font-family:ui-rounded,'Hiragino Maru Gothic ProN',sans-serif;font-size:clamp(25px,6vw,48px);line-height:1.7;font-weight:900}.question-visual .count-visual{color:var(--coral);font-size:.65em}.answer-input{width:clamp(100px,22vw,150px);height:90px;border:4px solid var(--ink);border-radius:18px;background:#fff;color:var(--ink);text-align:center;font-size:48px;font-weight:900}.answer-choices{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:20px auto}.choice{min-width:120px;min-height:58px;padding:10px 16px;border:2px solid var(--ink);border-radius:13px;background:#fff;color:var(--ink);font-size:19px;font-weight:900;cursor:pointer}.choice.selected{border-color:var(--coral);background:#fbe6df;color:var(--coral)}.shape{display:inline-block;width:90px;height:90px;border:7px solid var(--ink);vertical-align:middle}.shape.まる{border-radius:50%}.shape.さんかく{width:0;height:0;border-left:52px solid transparent;border-right:52px solid transparent;border-bottom:90px solid var(--ink);border-top:0}.compare-item{display:inline-flex;min-width:150px;flex-direction:column;align-items:center;gap:4px}.compare-item small,.bar-compare small{font-size:14px}.bar-compare{display:inline-flex;flex-direction:column;align-items:flex-start;gap:14px}.bar-compare>span{display:grid;grid-template-columns:28px auto;align-items:center}.bar-compare i{display:block;height:28px;background:var(--coral)}.bar-compare i.second{background:var(--yellow)}.compose-caption{display:block;margin-bottom:12px;font-size:18px}.composition{position:relative;display:inline-block;width:120px;height:90px}.composition i{position:absolute;background:var(--coral);clip-path:polygon(0 0,100% 100%,0 100%)}.composition i+ i{background:var(--yellow);transform:rotate(180deg)}.composition.square{width:90px}.composition.square i{width:90px;height:90px}.composition.rectangle i{width:120px;height:90px}.composition.triangle i{width:120px;height:90px;clip-path:polygon(50% 0,50% 100%,0 100%)}.composition.triangle i+i{clip-path:polygon(50% 0,100% 100%,50% 100%);transform:none}.clock{position:relative;display:inline-block;width:130px;height:130px;border:7px solid var(--ink);border-radius:50%}.clock:after{content:'12';position:absolute;top:4px;left:50%;font-size:18px;transform:translateX(-50%)}.clock i,.clock b{position:absolute;bottom:50%;left:50%;width:5px;transform-origin:bottom}.clock .hour-hand{height:31px;background:var(--ink)}.clock .minute-hand{height:44px;background:var(--coral);transform:rotate(0deg)}.problem-grid.count-20 .compose-caption{margin:0;font-size:10px}.problem-grid.count-20 .composition{width:52px;height:40px}.problem-grid.count-20 .composition.square{width:40px}.problem-grid.count-20 .composition i,.problem-grid.count-20 .composition.square i,.problem-grid.count-20 .composition.rectangle i,.problem-grid.count-20 .composition.triangle i{width:52px;height:40px}.problem-grid.count-20 .composition.square i{width:40px}.problem-grid.count-20 .clock{width:54px;height:54px;border-width:3px}.problem-grid.count-20 .clock:after{top:0;font-size:8px}.problem-grid.count-20 .clock i,.problem-grid.count-20 .clock b{width:2px}.problem-grid.count-20 .clock .hour-hand{height:13px}.problem-grid.count-20 .clock .minute-hand{height:19px}.problem-grid.count-20 .shape{width:40px;height:40px;border-width:3px}.problem-grid.count-20 .shape.さんかく{width:0;height:0;border-left-width:23px;border-right-width:23px;border-bottom-width:40px}.unit-source{padding:25px 0;border-bottom:1px solid var(--line)}.unit-source:last-of-type{border:0}@media(max-width:760px){.unit-grid{grid-template-columns:1fr}}