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var(--red);width:1em;text-decoration:none;display:inline-block}.opts{grid-template-columns:repeat(2,minmax(0,140px));justify-content:center;gap:14px;display:grid}@media (width>=640px){.opts{grid-template-columns:repeat(4,minmax(0,130px))}}.opt{background:0 0;border:0;padding:0}.opt .tzg{border-width:2px;font-size:4rem;line-height:1;transition:transform .12s}.opt:active .tzg{transform:scale(.96)}.opt.right .tzg{border-color:var(--accent);box-shadow:0 0 0 4px var(--st-known)}.opt.wrong .tzg{border-color:var(--red);box-shadow:0 0 0 4px var(--red)}@supports (color:color-mix(in lab, red, red)){.opt.wrong .tzg{box-shadow:0 0 0 4px color-mix(in srgb,var(--red) 30%,transparent)}}.verdict{font-family:var(--f-display);min-height:1.6em;font-size:1.3rem;font-weight:800}.verdict.ok{color:var(--accent)}.verdict.no{color:var(--red)}.answer{flex-direction:column;align-items:center;gap:6px;display:flex}.btnrow{flex-wrap:wrap;justify-content:center;gap:12px;width:100%;display:flex}.btnrow .btn{min-width:150px}.wall{grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:4px;display:grid}.wall button{aspect-ratio:1;background:var(--st-new);font-family:var(--f-han);color:var(--ink);border:0;border-radius:6px;padding:0;font-size:1.25rem}.legend{color:var(--muted);flex-wrap:wrap;gap:14px;font-size:.84rem;display:flex}.legend i{vertical-align:-2px;background:var(--st-new);border-radius:4px;width:14px;height:14px;margin-right:6px;display:inline-block}.seg{border:1px solid var(--line);border-radius:10px;display:inline-flex;overflow:hidden}.seg button{background:var(--card);border:0;min-height:44px;padding:8px 14px;font-weight:600}.seg button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink)}label.f{flex-direction:column;gap:6px;font-size:.92rem;font-weight:600;display:flex}input[type=text],select{font:inherit;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:10px;min-height:48px;padding:12px 14px}.hero{grid-template-columns:1fr auto;align-items:center;gap:24px;display:grid}@media (width<=640px){.hero{grid-template-columns:1fr}}.guide{flex-direction:column;gap:14px;max-width:70ch;display:flex}.guide ol,.guide ul{flex-direction:column;gap:8px;margin:0;padding-left:1.3em;display:flex}.foot{color:var(--muted);flex-wrap:wrap;gap:6px 16px;font-size:.8rem;display:flex}.toast{left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--paper);z-index:60;border-radius:999px;max-width:calc(100% - 32px);padding:10px 18px;font-weight:600;position:fixed;transform:translate(-50%)}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.nav a{min-height:40px;color:inherit;border-radius:999px;align-items:center;padding:8px 14px;font-size:.95rem;font-weight:600;text-decoration:none;display:inline-flex}.nav a[aria-current=page],.nav a.nav-on{background:var(--accent);color:var(--accent-ink)}.nav-break{display:none}@media (width<=520px){.nav{border-radius:22px;flex-wrap:wrap;width:100%}.nav a{flex:1;justify-content:center}.nav-break{flex-basis:100%;height:0;display:block}}a.lrow,a.btn,a.act{color:inherit;text-decoration:none}a.btn.primary,a.act.primary{color:var(--accent-ink)}.years a{border:1px solid var(--line);background:var(--card);min-height:48px;color:inherit;border-radius:12px;align-items:center;padding:10px 16px;font-weight:700;text-decoration:none;display:inline-flex}.years a[data-on=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.seg a{background:var(--card);min-height:44px;color:inherit;align-items:center;padding:8px 14px;font-weight:600;text-decoration:none;display:inline-flex}.seg a[data-on=true]{background:var(--accent);color:var(--accent-ink)}fieldset.years,fieldset.seg{min-width:0;margin:0}fieldset.years{border:0;padding:0}fieldset.seg{padding:0}.shell,main{transition:margin-right .2s}@media (width>=1080px){body.dr-open main{margin-right:480px}}.drawer{background:var(--card);border-left:1px solid var(--line);z-index:50;flex-direction:column;width:min(480px,100%);display:flex;position:fixed;top:0;bottom:0;right:0;box-shadow:-10px 0 40px -20px #0006}.dscrim{z-index:49;background:#0a140e66;position:fixed;inset:0}@media (width>=1080px){.dscrim{display:none}}.dr-h{padding:calc(14px + env(safe-area-inset-top,0px)) 18px 12px;border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;display:flex}.dr-b{overscroll-behavior:contain;padding:18px 18px calc(28px + env(safe-area-inset-bottom,0px));flex-direction:column;flex:1;gap:18px;display:flex;overflow-y:auto}.top{grid-template-columns:auto 1fr;align-items:start;gap:18px;display:grid}@media (width<=420px){.top{grid-template-columns:1fr;justify-items:center}}.pys{flex-wrap:wrap;gap:8px;display:flex}.pyc{border:1.5px solid var(--line);background:var(--paper);border-radius:14px;align-items:stretch;display:inline-flex;overflow:hidden}.pyc .pn{min-height:52px;line-height:1.15;font-family:var(--f-body);background:0 0;border:0;flex-direction:column;justify-content:center;align-items:flex-start;padding:6px 12px;display:flex}.pyc .pn b{font-size:1.55rem;font-weight:600}.pyc .pn small{color:var(--muted);font-size:.72rem;font-weight:600}.pyc .say{border:0;border-left:1.5px solid var(--line);background:0 0;border-radius:0;width:48px;height:auto}.pyc.on{border-color:var(--accent);background:var(--st-known);box-shadow:0 0 0 3px var(--accent)}@supports (color:color-mix(in lab, red, red)){.pyc.on{box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}}.pyc.on .pn small{color:var(--ink)}.pyc.on .say{border-left-color:var(--accent)}.note{color:var(--muted);font-size:.84rem}.alsolink{color:var(--muted);text-underline-offset:3px;background:0 0;border:0;align-items:center;min-height:44px;font-size:.92rem;font-weight:600;text-decoration:underline;display:inline-flex}.meter3{gap:3px;margin:3px 0;display:flex}.meter3 i{background:var(--st-new);border-radius:3px;width:22px;height:6px}.meter3.m1 i:nth-child(-n+1){background:var(--st-learn)}.meter3.m2 i:nth-child(-n+2){background:var(--st-known)}.meter3.m3 i{background:var(--st-master)}.rcard{border:1.5px solid var(--line);background:var(--paper);border-radius:14px;flex-direction:column;gap:12px;padding:14px;scroll-margin-top:12px;display:flex}.rcard.on{border-color:var(--accent);background:var(--st-known)}@supports (color:color-mix(in lab, red, red)){.rcard.on{background:color-mix(in srgb,var(--st-known) 45%,var(--card))}}.rcard-h{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.rcard-h .p{font-size:1.5rem;font-weight:700}.rtag{background:var(--amber);border-radius:999px;align-items:center;padding:2px 10px;font-size:.78rem;font-weight:700;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.rtag{background:color-mix(in srgb,var(--amber) 22%,transparent)}}.rtag.mark{background:var(--accent);color:var(--accent-ink)}.cardwords{grid-template-columns:1fr;gap:10px;display:grid}.sx{grid-column:1/-1}.sx>summary{cursor:pointer;color:var(--accent);align-items:center;gap:6px;min-height:36px;font-size:.84rem;font-weight:600;list-style:none;display:inline-flex}.sx>summary::-webkit-details-marker{display:none}.sx>summary:before{content:"▸";font-size:.8rem}.sx[open]>summary:before{content:"▾"}.ex{border-left:3px solid var(--red);justify-content:space-between;align-items:center;gap:12px;padding:2px 0 2px 14px;display:flex}.ex ruby{font-family:var(--f-han);ruby-position:over;font-size:1.6rem}.ex rt{font-family:var(--f-body);color:var(--muted);font-size:.68rem}.ex mark{background:var(--amber)}@supports (color:color-mix(in lab, red, red)){.ex mark{background:color-mix(in srgb,var(--amber) 28%,transparent)}}.ex mark{color:inherit;border-radius:4px}.rcard.on .ex mark{background:var(--st-known)}@keyframes flash{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--amber) 70%,transparent)}to{box-shadow:0 0 0 14px #0000}}.rcard.flash{animation:1.1s ease-out flash}.ctile{position:relative}.rbadge{z-index:2;background:var(--amber);color:var(--accent-ink);text-align:center;border-radius:999px;min-width:20px;height:20px;font-size:.72rem;font-weight:800;line-height:20px;position:absolute;top:-6px;right:-6px}.hchart{flex-direction:column;gap:8px;display:flex}.hc-plot{height:200px;margin-left:36px;position:relative}.hc-grid{border-top:1px solid var(--line);position:absolute;left:0;right:0}.hc-grid span{color:var(--muted);font-variant-numeric:tabular-nums;font-size:.75rem;position:absolute;top:-.7em;right:calc(100% + 6px)}.hc-cols{align-items:stretch;gap:2px;display:flex;position:absolute;inset:0}.hc-col{cursor:pointer;background:0 0;border:0;flex-direction:column;flex:1;justify-content:flex-end;min-width:0;padding:0;display:flex}.hc-col:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.hc-col[data-on=true]{background:var(--line)}@supports (color:color-mix(in lab, red, red)){.hc-col[data-on=true]{background:color-mix(in srgb,var(--line) 45%,transparent)}}.hc-stack{border-radius:4px 4px 0 0;flex-direction:column;gap:2px;display:flex;overflow:hidden}.hc-stack i{min-height:1px;display:block}.c-learn{background:var(--ch-learn)}.c-known{background:var(--ch-known)}.c-master{background:var(--ch-master)}.hc-x{color:var(--muted);justify-content:space-between;margin-left:36px;font-size:.75rem;display:flex}.hc-tip{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);white-space:nowrap;pointer-events:none;z-index:2;border-radius:10px;padding:8px 10px;font-size:.82rem;position:absolute;bottom:calc(100% + 6px);transform:translate(-50%)}.hc-tip b{display:block}.hc-tip i,.hc-key i{border-radius:3px;width:10px;height:10px;margin-right:6px;display:inline-block}.hc-key{color:var(--muted);flex-wrap:wrap;gap:14px;font-size:.84rem;display:flex}.hc-key b{color:var(--ink);font-variant-numeric:tabular-nums}.hc-table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:.86rem}.hc-table th,.hc-table td{text-align:right;border-bottom:1px solid var(--line);padding:4px 8px}.hc-table th:first-child,.hc-table td:first-child{text-align:left}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}