:root{--bg:#f4f6fb;--surface:#fff;--surface-2:#f8f9fd;--text:#1f2937;--muted:#6b7280;--border:#e4e8f0;--primary:#3b6ef5;--primary-strong:#2a58d6;--primary-soft:#e9efff;--primary-text:#fff;--accent:#ff8a3d;--accent-soft:#fff1e6;--success:#1f9d55;--success-soft:#e6f6ed;--danger:#e5484d;--danger-soft:#fdecec;--radius:16px;--radius-sm:10px;--shadow:0 1px 2px #1f29370a, 0 4px 14px #1f29370f;--shadow-lg:0 8px 28px #3b6ef540;--font:"M PLUS Rounded 1c", system-ui, -apple-system, "Hiragino Maru Gothic ProN", "Hiragino Sans", sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0f1420;--surface:#182033;--surface-2:#1d2740;--text:#e8ecf4;--muted:#9aa5b8;--border:#2a3550;--primary:#6b93ff;--primary-strong:#8aa9ff;--primary-soft:#22305a;--accent:#ff9d5c;--accent-soft:#3a2a1f;--success:#3ccf7f;--success-soft:#173426;--danger:#ff6b70;--danger-soft:#3a1d22;--shadow:0 1px 2px #0000004d, 0 4px 14px #00000040;--shadow-lg:0 8px 28px #0006}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;margin:0;font-size:16px;font-weight:500;line-height:1.65}button,input,select,textarea{font-family:inherit}a{color:var(--primary)}.page{padding:16px;padding-bottom:calc(16px + env(safe-area-inset-bottom))}.narrow{max-width:640px;margin:0 auto}.wide{max-width:960px;margin:0 auto}.stack{flex-direction:column;gap:16px;display:flex}.stack-sm{flex-direction:column;gap:8px;display:flex}.row{align-items:center;gap:8px;display:flex}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.title{margin:4px 0;font-size:1.35rem;font-weight:800}h2{margin:0;font-size:1.1rem;font-weight:800}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.muted{color:var(--muted)}.small{font-size:.85rem}.error{color:var(--danger)}.list{margin:0;padding-left:1.2em}.field{flex-direction:column;gap:4px;display:flex}.field input,select,textarea{border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);color:var(--text);padding:11px 12px;font-size:16px}.field input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);outline:none}.field input[type=date],.field input[type=number]{width:100%}.row>input{flex:1;min-width:0}.btn{border:1.5px solid var(--border);background:var(--surface);min-height:48px;color:var(--text);cursor:pointer;border-radius:999px;padding:12px 18px;font-size:1rem;font-weight:700;transition:transform 80ms,box-shadow .15s,background .15s}.btn:active:not(:disabled){transform:scale(.97)}.btn.primary{background:linear-gradient(135deg, var(--primary), var(--primary-strong));color:var(--primary-text);box-shadow:var(--shadow-lg);border-color:#0000}.btn.danger{border-color:var(--danger);color:var(--danger)}.btn:disabled{opacity:.5;cursor:default}.small-btn{min-height:38px;padding:6px 14px;font-size:.9rem}.btn-hero{width:100%;min-height:60px;font-size:1.15rem}.badge{background:var(--primary);color:var(--primary-text);border-radius:999px;padding:2px 10px;font-size:.8rem;font-weight:700}.badge.subtle{background:var(--surface-2);border:1px solid var(--border);color:var(--text)}.chip{background:var(--surface);border:1px solid var(--border);border-radius:999px;align-items:center;gap:6px;padding:5px 12px;font-size:.9rem;font-weight:700;display:inline-flex}a.chip{color:var(--text);text-decoration:none}.chip-alert{border-color:var(--danger);color:var(--danger)!important}.card.warn{border-color:var(--danger);background:var(--danger-soft)}.card.notice{border-color:var(--primary);background:var(--primary-soft)}.radio{align-items:center;gap:8px;min-height:40px;display:flex}.progress{background:var(--primary-soft);border-radius:999px;height:8px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--primary), #7c9bff);border-radius:999px;height:100%;transition:width .3s}.meter{background:var(--primary-soft);border-radius:999px;height:10px;overflow:hidden}.meter-fill{background:linear-gradient(90deg, var(--primary), #7c9bff);border-radius:999px;height:100%}.big-score{font-size:1.6rem;font-weight:800}.hero{color:#fff;box-shadow:var(--shadow-lg);background:linear-gradient(135deg,#4f7cff 0%,#6a5cff 100%);border-radius:24px;flex-direction:column;gap:14px;padding:20px;display:flex}.hero .greeting{margin:0;font-size:1.25rem;font-weight:800}.hero-stats{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.hero-stat{text-align:center;background:#ffffff29;border-radius:14px;padding:10px 8px}.hero-stat .value{font-size:1.5rem;font-weight:800;line-height:1.2}.hero-stat .unit{margin-left:2px;font-size:.8rem}.hero-stat .label{opacity:.9;font-size:.75rem}.hero-stat.flame .value{color:#ffd29a}.today-card{flex-direction:column;gap:14px;display:flex}.today-head{justify-content:space-between;align-items:baseline;display:flex}.day-label{color:var(--primary);font-size:1.6rem;font-weight:800}.day-label small{color:var(--muted);font-size:.9rem;font-weight:700}.day-track{grid-template-columns:repeat(10,1fr);gap:6px;display:grid}.day-dot{aspect-ratio:1;background:var(--primary-soft);color:var(--muted);border-radius:50%;justify-content:center;align-items:center;font-size:.65rem;font-weight:800;display:flex}.day-dot.done{background:var(--primary);color:#fff}.day-dot.today{background:var(--accent);color:#fff;box-shadow:0 0 0 3px var(--accent-soft);animation:1.6s ease-in-out infinite pulse}.day-dot.mock{border:2px dashed var(--accent)}.plan-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.plan-list li{border-radius:var(--radius-sm);background:var(--surface-2);align-items:center;gap:10px;padding:10px 12px;font-weight:700;display:flex}.plan-icon{background:var(--primary-soft);width:32px;height:32px;color:var(--primary);border-radius:10px;flex:none;justify-content:center;align-items:center;display:inline-flex}.plan-list .count{color:var(--muted);margin-left:auto;font-size:.9rem}.done-banner{text-align:center;padding:8px 0}.done-banner .big{font-size:2.4rem;line-height:1.2}.assignment-card{border-left:5px solid var(--accent)}.choice{text-align:left;border:2px solid var(--border);border-radius:var(--radius);background:var(--surface);width:100%;min-height:58px;color:var(--text);box-shadow:var(--shadow);cursor:pointer;align-items:center;gap:12px;padding:12px 16px;font-size:1.08rem;font-weight:700;transition:transform 80ms,border-color .15s,background .15s;display:flex}.choice:active:not(:disabled){transform:scale(.98)}.choice:disabled{cursor:default}.choice.selected{border-color:var(--primary);background:var(--primary-soft)}.choice.correct{border-color:var(--success);background:var(--success-soft);animation:.35s pop}.choice.wrong{border-color:var(--danger);background:var(--danger-soft);animation:.35s shake}.choice.dim{opacity:.55}.choice-no{background:var(--primary-soft);width:30px;height:30px;color:var(--primary);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:.95rem;font-weight:800;display:inline-flex}.choice.correct .choice-no{background:var(--success);color:#fff}.choice.wrong .choice-no{background:var(--danger);color:#fff}.stem{white-space:pre-wrap;margin:0;font-size:1.12rem;line-height:1.8}.stem-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 16px}.result{animation:.25s slide-up}.result.ok{border-color:var(--success)}.result.ng{border-color:var(--danger)}.result-head{align-items:center;gap:10px;font-size:1.15rem;font-weight:800;display:flex}.result.ok .result-head{color:var(--success)}.result.ng .result-head{color:var(--danger)}.result-mark{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;animation:.35s pop;display:inline-flex}.result.ok .result-mark{background:var(--success)}.result.ng .result-mark{background:var(--danger)}.explanation{border-radius:var(--radius-sm);background:var(--surface-2);margin:0;padding:10px 12px;font-size:.95rem}.runner-head{align-items:center;gap:12px;display:flex}.runner-head .progress{flex:1}.runner-count{color:var(--muted);white-space:nowrap;font-size:.9rem;font-weight:800}.passage-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;line-height:1.85}.passage{white-space:pre-wrap;margin:0}.item-title{margin:0 0 6px;font-size:1.05rem;font-weight:800}.tabs{background:var(--primary-soft);border-radius:999px;gap:4px;padding:4px;display:flex}.tabs button{min-height:42px;color:var(--primary);background:0 0;border:none;border-radius:999px;flex:1;font-size:1rem;font-weight:800}.tabs button.active{background:var(--surface);box-shadow:var(--shadow)}@media (width>=900px){.only-narrow{display:none}.split{grid-template-columns:1fr 1fr;align-items:start;gap:24px;display:grid}.split .passage-box{max-height:calc(100vh - 32px);position:sticky;top:16px;overflow-y:auto}.page.narrow:has(.split){max-width:1100px}}@media (width<=899px){.hide-narrow{display:none}}.score-ring{width:132px;height:132px;margin:0 auto;position:relative}.score-ring svg{transform:rotate(-90deg)}.score-ring .ring-bg{stroke:var(--primary-soft)}.score-ring .ring-fg{stroke:var(--primary);stroke-linecap:round;transition:stroke-dashoffset .8s}.score-ring .ring-text{flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.score-ring .ring-text strong{font-size:1.7rem;font-weight:800;line-height:1.1}.stamp{border:6px solid var(--accent);width:170px;height:170px;color:var(--accent);background:var(--accent-soft);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;margin:8px auto;animation:.5s cubic-bezier(.2,1.6,.4,1) both stamp;display:flex;transform:rotate(-8deg)}.stamp .day{font-size:1rem;font-weight:800}.stamp .clear{font-size:2rem;font-weight:800;line-height:1.1}.milestone{text-align:center;border-radius:var(--radius);background:var(--accent-soft);color:var(--accent);padding:12px;font-weight:800}.celebrate{text-align:center}.confetti{pointer-events:none;z-index:30;position:fixed;inset:0}.wrong-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.wrong-list li{border-radius:var(--radius-sm);background:var(--surface-2);border-left:4px solid var(--danger);padding:10px 12px}.with-tabbar{padding-bottom:calc(72px + env(safe-area-inset-bottom))}.tabbar{background:color-mix(in srgb, var(--surface) 92%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);z-index:10;display:flex;position:fixed;bottom:0;left:0;right:0}.tabbar a{color:var(--muted);flex-direction:column;flex:1;align-items:center;gap:2px;padding:8px 4px 10px;font-size:.72rem;font-weight:700;text-decoration:none;display:flex}.tabbar a.active{color:var(--primary)}.tabbar a.active svg{transform:translateY(-1px)scale(1.08)}.bars{align-items:flex-end;gap:4px;height:120px;display:flex}.bar-col{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;gap:4px;height:100%;display:flex}.bar{background:var(--primary-soft);border-radius:6px 6px 0 0;flex-direction:column;justify-content:flex-end;width:100%;min-height:3px;display:flex;overflow:hidden}.bar-correct{background:var(--primary)}.bar-label{color:var(--muted);font-size:.7rem}.dialog-backdrop{z-index:20;background:#0f142080;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.dialog{width:100%;max-width:480px;animation:.2s slide-up}.topnav{background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:4px;padding:8px 16px;display:flex;overflow-x:auto}.topnav a{color:var(--text);white-space:nowrap;border-radius:999px;padding:8px 12px;font-size:.92rem;font-weight:700;text-decoration:none}.topnav a.active{background:var(--primary-soft);color:var(--primary)}.grid-2{grid-template-columns:1fr;gap:12px;display:grid}@media (width>=700px){.grid-2{grid-template-columns:1fr 1fr}}.table{border-collapse:collapse;width:100%;font-size:.9rem}.table th,.table td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:9px 6px}.table th{color:var(--muted);font-weight:700}.table-scroll{overflow-x:auto}.table a{font-weight:700}.choices{margin:0;padding-left:1.6em}.choices .correct{color:var(--success);font-weight:800}.checks{grid-template-columns:max-content 1fr;gap:4px 12px;margin:0;display:grid}.checks dt{color:var(--muted)}.checks dd{margin:0}@keyframes pop{0%{transform:scale(1)}40%{transform:scale(1.05)}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}@keyframes slide-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes stamp{0%{opacity:0;transform:rotate(-8deg)scale(2.2)}to{opacity:1;transform:rotate(-8deg)scale(1)}}@keyframes pulse{0%,to{box-shadow:0 0 0 3px var(--accent-soft)}50%{box-shadow:0 0 0 6px var(--accent-soft)}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}