.sq-drill{--sq-bg:#fff;--sq-band:#f5f8ff;--sq-ink:#0d1b3e;--sq-sub:#4a5568;--sq-line:#e6ecf5;--sq-blue:#0b62f7;--sq-blue-700:#0a4ecd;--sq-blue-50:#eef4ff;--sq-blue-100:#dbe7ff;--sq-gray:#eef0f4;--sq-warn-bg:#fff4e5;--sq-warn-ink:#a4600b;--sq-r:14px;--sq-r-sm:10px;--sq-r-pill:999px;--sq-shadow:0 1px 2px rgba(13,27,62,.04),0 6px 18px rgba(13,27,62,.05);--sq-tnum:"tnum" 1,"lnum" 1;max-width:760px;margin:0 auto;color:var(--sq-ink);font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",YuGothic,"Meiryo","Noto Sans JP",sans-serif;font-size:16px;line-height:1.8;text-align:left;-webkit-text-size-adjust:100%}.sq-drill *,.sq-drill *:before,.sq-drill *:after{box-sizing:border-box}.sq-drill__boot{padding:24px 0;color:var(--sq-sub)}.sq-card{background:var(--sq-bg);border:1px solid var(--sq-line);border-radius:var(--sq-r);box-shadow:var(--sq-shadow);padding:18px 16px 20px;margin:0 0 18px}.sq-eyebrow{margin:0 0 4px;font-size:.72rem;letter-spacing:.14em;font-weight:700;color:var(--sq-blue)}.sq-card__title{font-size:1.15rem;font-weight:700;letter-spacing:.02em;margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid var(--sq-line)}.sq-subtitle{font-size:.98rem;font-weight:700;margin:20px 0 8px}.sq-desc{color:var(--sq-sub);font-size:.88rem;margin:0 0 12px}.sq-lead{color:var(--sq-sub);font-size:.92rem;margin:0 0 16px}.sq-alert{background:var(--sq-blue-50);border-left:3px solid var(--sq-blue);border-radius:var(--sq-r-sm);padding:10px 12px;font-size:.9rem;margin:0 0 12px}.sq-note{color:var(--sq-sub);font-size:.9rem}.sq-modes{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}.sq-mode{flex:1 1 0;min-width:92px;padding:10px 6px;font-size:.9rem;font-family:inherit;background:var(--sq-bg);color:var(--sq-sub);border:1px solid var(--sq-line);border-radius:var(--sq-r-pill);cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.sq-mode:hover{background:var(--sq-blue-50);border-color:var(--sq-blue-100);color:var(--sq-blue)}.sq-mode.is-active{background:var(--sq-blue);border-color:var(--sq-blue);color:#fff;font-weight:700}.sq-field{margin:0 0 12px}.sq-field__label{display:block;font-size:.78rem;letter-spacing:.06em;color:var(--sq-sub);margin-bottom:5px}.sq-select{width:100%;padding:11px 12px;font-size:1rem;font-family:inherit;color:var(--sq-ink);background:#fff;border:1px solid var(--sq-line);border-radius:var(--sq-r-sm)}.sq-select:focus{outline:2px solid var(--sq-blue-100);border-color:var(--sq-blue)}.sq-btn{display:block;width:100%;padding:13px 14px;margin:8px 0 0;font-family:inherit;font-size:1rem;font-weight:700;color:var(--sq-ink);background:var(--sq-bg);border:1px solid var(--sq-line);border-radius:var(--sq-r-pill);cursor:pointer;-webkit-appearance:none;appearance:none;transition:background .15s ease,border-color .15s ease,box-shadow .15s ease}.sq-btn:disabled{opacity:.4;cursor:default}.sq-btn--primary{background:var(--sq-blue);border-color:var(--sq-blue);color:#fff;letter-spacing:.06em;box-shadow:0 6px 16px rgba(11,98,247,.22)}.sq-btn--primary:hover:not(:disabled){background:var(--sq-blue-700);border-color:var(--sq-blue-700)}.sq-btn--ghost{background:0 0;border:0;box-shadow:none;color:var(--sq-blue);font-weight:700;font-size:.88rem;padding:10px 0;text-align:left;text-decoration:underline;width:auto;border-radius:0}.sq-btn--white,.sq-drill a.sq-btn--white,.sq-drill a.sq-btn--white:hover{display:block;width:100%;margin:18px 0 0;background:#fff;border:1px solid var(--sq-blue);color:var(--sq-blue);text-align:center;text-decoration:none}.sq-btn--white:hover{background:var(--sq-blue-50,#eef4ff)}.sq-btn--white+.sq-btn--primary{margin-top:10px}.sq-explain-actions{display:flex;gap:10px;align-items:stretch;margin-top:18px}.sq-explain-actions .sq-btn,.sq-drill .sq-explain-actions a.sq-btn--white{flex:1 1 0;min-width:0;width:auto;margin:0;text-align:center}.sq-btn--sm,.sq-btn--white.sq-btn--sm{display:inline-block;width:auto;min-width:0;height:36px;margin:0;padding:0 18px;font-size:.9rem;line-height:34px}.sq-explain-next{display:flex;justify-content:flex-end;margin:-8px 0 14px}a.sq-btn{display:block;text-decoration:none;color:var(--sq-ink)}.sq-drill a.sq-btn--primary,.sq-drill a.sq-btn--primary:hover{color:#fff}.sq-drill a.sq-btn--ghost,.sq-drill a.sq-btn--ghost:hover{display:inline-block;color:var(--sq-blue);text-decoration:underline}.sq-quiz__head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:8px}.sq-badge{display:inline-block;padding:3px 10px;border-radius:var(--sq-r-pill);background:var(--sq-blue-50);font-size:.75rem;letter-spacing:.02em;color:var(--sq-blue);font-weight:700;max-width:70%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sq-counter{font-size:.78rem;color:var(--sq-sub);white-space:nowrap;text-align:right;font-feature-settings:var(--sq-tnum);font-variant-numeric:tabular-nums lining-nums}.sq-progress{height:6px;background:var(--sq-gray);border-radius:var(--sq-r-pill);overflow:hidden;margin-bottom:16px}.sq-progress__fill{height:100%;background:var(--sq-blue);border-radius:var(--sq-r-pill);transition:width .2s ease}.sq-saimoku{font-size:.78rem;color:var(--sq-sub);margin:0 0 6px}.sq-question{font-size:1.02rem;line-height:1.95;margin:0 0 22px;white-space:pre-wrap}.sq-question--small{font-size:.92rem;color:var(--sq-sub);padding:10px 12px;background:var(--sq-band);border-radius:var(--sq-r-sm);border-left:3px solid var(--sq-blue-100)}.sq-answer{display:flex;gap:12px}.sq-answer .sq-btn{margin:0;flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:16px 8px 14px;line-height:1;border-radius:var(--sq-r);box-shadow:var(--sq-shadow)}.sq-answer__mark{font-size:2.7rem;line-height:1;font-weight:700}.sq-answer__label{font-size:.78rem;font-weight:700;letter-spacing:.08em}.sq-btn--maru{background:var(--sq-bg);border:2px solid var(--sq-blue);color:var(--sq-blue)}.sq-btn--maru:hover:not(:disabled){background:var(--sq-blue-50)}.sq-btn--batsu{background:var(--sq-bg);border:2px solid #c3cad6;color:var(--sq-sub)}.sq-btn--batsu:hover:not(:disabled){background:var(--sq-gray)}.sq-verdict{display:flex;flex-direction:column;gap:2px;padding:13px 14px;border-radius:var(--sq-r);margin-bottom:16px}.sq-verdict.is-ok{background:var(--sq-blue);color:#fff}.sq-verdict.is-ng{background:var(--sq-gray);color:var(--sq-ink);border:1px solid var(--sq-line)}.sq-verdict__mark{font-size:1.3rem;font-weight:700;letter-spacing:.04em}.sq-verdict.is-ok .sq-verdict__mark{color:#fff}.sq-verdict.is-ng .sq-verdict__mark{color:var(--sq-ink)}.sq-verdict__detail{font-size:.85rem;color:inherit;opacity:.85}.sq-explain{margin:16px 0}.sq-def{padding:12px 0;border-top:1px solid var(--sq-line)}.sq-def__term{font-size:.72rem;font-weight:700;color:var(--sq-blue);letter-spacing:.14em;margin-bottom:4px}.sq-def__desc{font-size:.92rem;line-height:1.95;white-space:pre-wrap;word-break:break-word}.sq-link{display:inline-block;margin:8px 0 4px;font-size:.88rem;color:var(--sq-blue);font-weight:700;text-decoration:none}.sq-link:hover{text-decoration:underline}.sq-groupresult{margin:16px 0 0;padding:12px 14px;border-radius:var(--sq-r-sm);font-size:.92rem;font-weight:700}.sq-groupresult.is-ok{background:var(--sq-blue);color:#fff}.sq-groupresult.is-ng{background:var(--sq-gray);color:var(--sq-ink);border:1px solid var(--sq-line)}.sq-groupresult__text{margin:0}.sq-score{font-size:1.25rem;font-weight:700;margin:0 0 10px;color:var(--sq-ink);font-feature-settings:var(--sq-tnum);font-variant-numeric:tabular-nums lining-nums}.sq-table{width:100%;border-collapse:collapse;font-size:.85rem;margin:0 0 8px}.sq-table th,.sq-table td{padding:9px 8px;border-bottom:1px solid var(--sq-line);text-align:left;vertical-align:top}.sq-table th{font-size:.74rem;color:var(--sq-sub);font-weight:700;white-space:nowrap;background:var(--sq-band);border-bottom:1px solid var(--sq-line)}.sq-table td:nth-child(2),.sq-table th:nth-child(2),.sq-table td:nth-child(3),.sq-table th:nth-child(3){width:4.5em;white-space:nowrap;text-align:right;font-feature-settings:var(--sq-tnum);font-variant-numeric:tabular-nums lining-nums}.sq-rate{display:inline-block;padding:0 8px;line-height:1.7;vertical-align:top;font-weight:700;color:var(--sq-blue)}.sq-rate.is-low{display:inline-block;padding:0 8px;border-radius:var(--sq-r-pill);background:var(--sq-warn-bg);color:var(--sq-warn-ink)}@media screen and (min-width:600px){.sq-card{padding:24px 24px 26px}.sq-question{font-size:1.08rem}.sq-btn{width:auto;min-width:220px;display:inline-block;margin-right:8px}.sq-answer .sq-btn{display:flex;flex:1 1 0;min-width:0;margin-right:0}.sq-answer__mark{font-size:3rem}}