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clamp(16px,4vw,40px);display:grid;position:sticky;top:0}.brand{color:var(--text);align-items:center;gap:10px;text-decoration:none;display:flex}.brand-mark{background:var(--link);width:38px;height:38px;color:var(--bg);box-shadow:var(--shadow-sm);border-radius:11px;flex:none;justify-content:center;align-items:center;font-family:Shippori Mincho B1,Hiragino Mincho ProN,Yu Mincho,serif;font-size:21px;font-weight:700;display:flex}.brand-text{flex-direction:column;line-height:1.15;display:flex}.brand-name{font-family:Shippori Mincho B1,Hiragino Mincho ProN,Yu Mincho,serif;font-size:20px;font-weight:700}.brand-sub{color:var(--muted);letter-spacing:.08em;font-size:10.5px}.site-nav ul{background:var(--track);border-radius:999px;justify-self:center;gap:4px;margin:0;padding:5px;list-style:none;display:flex}.site-nav ul a{color:var(--muted);letter-spacing:.05em;white-space:nowrap;border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:700;text-decoration:none;display:block}.site-nav ul 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var(--primary);min-height:48px;font:inherit;cursor:pointer;box-shadow:0 4px 0 var(--accent-deep), 0 8px 18px color-mix(in srgb, var(--primary) 30%, transparent);border-radius:16px;padding:12px 26px;font-weight:900}button.primary:active:not(:disabled){box-shadow:0 2px 0 var(--accent-deep);transform:translateY(2px)}button.primary:disabled{opacity:.45;cursor:default}button.ghost{background:var(--surface);color:var(--text);border:1px solid var(--border);min-height:44px;font:inherit;cursor:pointer;box-shadow:var(--shadow-sm);border-radius:14px;padding:11px 18px;font-weight:700}button.ghost.active{border-color:var(--link);color:var(--link);font-weight:700}.judge{gap:10px;margin-top:14px;display:flex}.judge button{flex:1}input.answer-input{width:100%;font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:14px;margin-top:10px;padding:12px 14px}input.answer-input:focus{outline:2px solid var(--link);outline-offset:0;border-color:#0000}.result{border-radius:10px;margin-top:12px;padding:10px 14px;font-weight:700}.result.ok{background:var(--ok-bg);color:var(--ok)}.result.ng{background:var(--surface-elevated);color:var(--link-active)}.model{background:var(--surface-elevated);border-radius:12px;margin-top:12px;padding:12px 14px}.q-list{flex-direction:column;gap:8px;margin-top:10px;display:flex}.q-option{text-align:left;background:var(--surface);border:1px solid var(--border);font:inherit;cursor:pointer;color:var(--text);border-radius:12px;padding:12px 14px}.q-option .zh{margin:0;font-size:1.15rem}.q-option.picked-ok{border-color:var(--ok);background:var(--ok-bg)}.q-option.picked-ng{border-color:var(--error)}.q-option:disabled{cursor:default}.cloze-blank{border-bottom:2px solid var(--link);min-width:3.2em;color:var(--link);text-align:center;padding:0 4px;display:inline-block}.tile-bank,.tile-answer{flex-wrap:wrap;align-items:flex-start;gap:8px;min-height:48px;margin-top:10px;display:flex}.tile-answer{border:1px dashed var(--border);border-radius:12px;padding:8px}.tile{background:var(--surface);color:var(--text);border:1px solid var(--border);cursor:pointer;border-radius:10px;padding:8px 12px;font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,Zen Kaku Gothic New,sans-serif;font-size:1.1rem;font-weight:700}.tile.used{opacity:.3;cursor:default}.tile-suffix{align-self:center;padding:0 2px;font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;font-size:1.2rem;font-weight:700}.wrong{color:var(--error);font-weight:700}.arrow{color:var(--muted-2);margin:2px 0}.point{margin:6px 0 2px;font-weight:700}.progress-note{color:var(--muted);margin-top:4px;font-size:.92rem}.today-minutes{margin:4px 0;font-family:Shippori Mincho B1,Hiragino Mincho ProN,Yu Mincho,serif;font-size:1.6rem;font-weight:800}.today-minutes .unit{margin-left:2px;font-size:1rem}.manual-add{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.cal-head{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.cal-title{letter-spacing:.05em;font-weight:700}.cal-nav{background:var(--surface);border:1px solid var(--border);color:var(--text);width:38px;height:38px;font:inherit;cursor:pointer;box-shadow:var(--shadow-sm);border-radius:999px}.cal-grid{grid-template-columns:repeat(7,1fr);gap:5px;display:grid}.cal-wd{text-align:center;color:var(--muted-2);padding:2px 0;font-size:.8rem}.cal-cell{background:color-mix(in srgb, var(--text) 3.5%, var(--surface));border:1px solid #0000;border-radius:11px;min-height:54px;padding:4px 6px;font-size:.85rem;font-weight:700}.cal-cell.empty{background:0 0;border:0}.cal-cell.lv1{background:color-mix(in srgb, var(--link) 16%, var(--surface))}.cal-cell.lv2{background:color-mix(in srgb, var(--link) 36%, var(--surface))}.cal-cell.lv3{background:var(--link);color:#fff;border-color:var(--link)}.cal-cell.today{outline:2px solid var(--link-active);outline-offset:-2px}.cal-min{color:var(--muted);font-size:.75rem;display:block}.cal-cell.lv3 .cal-min{color:#ffe9e0}.share-text{width:100%;font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;margin-top:10px;padding:10px 12px;font-size:.92rem}.audio-btn{background:var(--link);width:46px;height:46px;color:var(--bg);cursor:pointer;box-shadow:0 4px 10px color-mix(in srgb, var(--link) 35%, transparent);border:0;border-radius:50%;flex:none;justify-content:center;align-items:center;padding:0;display:inline-flex}.audio-btn .audio-ico{fill:currentColor;width:24px;height:24px}.audio-btn.loading{opacity:.6}.audio-btn .audio-dots{letter-spacing:1px;font-size:17px;font-weight:900;line-height:1;transform:translateY(-3px)}.tag{letter-spacing:.06em;background:var(--surface-elevated);color:var(--link-active);border-radius:999px;align-items:center;padding:5px 11px;font-size:11px;font-weight:900;display:inline-flex}.tag.gray{background:var(--track);color:var(--muted)}.sess-head{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:14px;display:flex}.prog{margin:0 0 18px}.prog-row{color:var(--muted);justify-content:space-between;margin-bottom:7px;font-size:12px;font-weight:700;display:flex}.prog-row b{color:var(--link)}.bar{background:var(--track);border-radius:99px;height:9px;overflow:hidden}.bar i{background:var(--link);border-radius:99px;height:100%;transition:width .3s;display:block}.verdict{border-radius:999px;align-items:center;gap:6px;margin:4px 0;padding:8px 15px;font-size:.98rem;font-weight:900;display:inline-flex}.verdict.ok{background:var(--ok-bg);color:var(--ok)}.verdict.ng{background:var(--surface-elevated);color:var(--link-active)}.sec-title{letter-spacing:.04em;margin:22px 0 4px;font-size:.95rem;font-weight:900}.hero{background:linear-gradient(135deg, color-mix(in srgb, var(--link) 84%, #fff), var(--link) 55%, var(--accent-deep));color:#fff;box-shadow:var(--shadow);border-radius:20px;margin-bottom:16px;padding:22px 20px}.hero-label{letter-spacing:.2em;opacity:.85;margin:0;font-size:11.5px;font-weight:700}.hero-big{margin:4px 0 10px;font-family:Shippori Mincho B1,Hiragino Mincho ProN,Yu Mincho,serif;font-size:2.6rem;font-weight:800;line-height:1.2}.hero-big .unit{margin-left:3px;font-size:1.15rem}.hero-row{flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:.85rem;font-weight:700;display:flex}.hero-pill{background:#ffffff2e;border-radius:999px;padding:4px 11px}.spinner{border:3px solid var(--track);border-top-color:var(--link);vertical-align:-5px;border-radius:50%;width:22px;height:22px;margin-right:10px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}