*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#081018;color:#e5edf7;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.qa-body{background:linear-gradient(180deg,#0d1622,#070c12 55%,#060a10);color:#e5edf7}.qa-topbar{position:sticky;top:0;z-index:20;background:rgba(8,14,22,.96);border-bottom:1px solid rgba(148,163,184,.18);backdrop-filter:blur(10px)}.qa-topbar-inner{max-width:1080px;margin:0 auto;padding:10px 14px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.qa-brand{font-weight:900;color:#f3c987;text-decoration:none;margin-right:8px}.qa-pill{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(148,163,184,.22);background:rgba(255,255,255,.04);color:#dbeafe;text-decoration:none;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700}.qa-pill:hover{border-color:#60a5fa;background:rgba(96,165,250,.12)}button.qa-pill{cursor:pointer}.qa-container{max-width:980px;margin:0 auto;padding:18px 14px 40px}.qa-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:14px}.qa-title{font-size:24px;line-height:1.25;font-weight:950;color:#f3c987}.qa-sub{font-size:13px;color:#94a3b8;margin-top:4px}.qa-counts{display:flex;gap:8px;flex-wrap:wrap}.qa-count{border:1px solid rgba(148,163,184,.18);border-radius:999px;background:rgba(255,255,255,.04);padding:5px 9px;color:#cbd5e1;font-size:12px}.qa-count b{color:#fff}.qa-toc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}.qa-toc-card,.qa-card,.qa-empty{border:1px solid rgba(148,163,184,.18);background:rgba(15,23,42,.72);border-radius:16px;box-shadow:0 16px 42px 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10px;font-weight:900;color:#e5edf7;background:rgba(255,255,255,.05);cursor:pointer}.qa-card-btn.need{border-color:rgba(251,113,133,.35)}.qa-card-btn.weak{border-color:rgba(251,191,36,.35)}.qa-card-btn.done{border-color:rgba(34,197,94,.35)}.qa-card-btn.reset{border-color:rgba(148,163,184,.25)}.qa-card-btn.is-active{background:rgba(59,130,246,.25);border-color:#60a5fa}.qa-empty{padding:20px;text-align:center;color:#cbd5e1}.qa-toast{position:fixed;left:50%;top:18px;transform:translateX(-50%);z-index:50;background:rgba(15,23,42,.96);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:9px 14px;color:#fff;box-shadow:0 10px 28px rgba(0,0,0,.3);display:none}.qa-nav{display:flex;justify-content:space-between;gap:8px;margin-top:12px}.qa-nav .qa-filter{min-width:92px}@media(max-width:640px){.qa-container{padding:12px 10px 28px}.qa-title{font-size:20px}.qa-question{font-size:18px;padding:15px}.qa-card-actions-grid{grid-template-columns:1fr 1fr}.qa-topbar-inner{padding:8px}.qa-pill{font-size:11px;padding:5px 8px}}

/* v417_remove_single_page: compact 1問1答 TOC */
.qa-count-link{text-decoration:none;cursor:pointer;display:inline-flex;align-items:center;gap:4px}
.qa-count-link:hover{border-color:#60a5fa;background:rgba(96,165,250,.12);color:#fff}
.qa-status-links{display:none!important}
.qa-toc-card .qa-counts{margin-top:10px}

/* v421: category position + fixed per-mode study progress */
#qaProgress{display:none!important}
.qa-meta{align-items:center;justify-content:space-between;gap:8px}
.qa-category-badge,.qa-mode-badge{font-weight:850;color:#e8eef7;background:rgba(255,255,255,.045)}
.qa-mode-badge{margin-left:auto}
.qa-mini-progress{height:3px;border-radius:999px;overflow:hidden;background:rgba(148,163,184,.15);margin-top:1px}
.qa-mini-progress>span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#60a5fa,#22c55e);transition:width .2s ease}
.qa-session-complete{display:flex;flex-direction:column;gap:7px;margin-top:14px}
.qa-session-complete strong{font-size:17px;color:#fff}
.qa-session-complete span{font-size:12px;color:#94a3b8}
@media(max-width:640px){.qa-meta{flex-wrap:nowrap}.qa-badge{font-size:11px;padding:4px 7px}.qa-mode-badge{white-space:nowrap}.qa-category-badge{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}


/* v422: compact, prominent dual progress + no pre-answer title leak */
.qa-meta{justify-content:flex-start!important;gap:8px!important;flex-wrap:wrap!important}
.qa-mode-badge{margin-left:0!important}
.qa-category-badge,.qa-mode-badge{font-size:13px!important;font-weight:950!important;padding:6px 11px!important;letter-spacing:.01em;box-shadow:0 4px 14px rgba(0,0,0,.18)}
.qa-category-badge{color:#eff6ff!important;border-color:rgba(96,165,250,.75)!important;background:linear-gradient(180deg,rgba(59,130,246,.34),rgba(37,99,235,.18))!important}
.qa-mode-badge.mode-quiz{color:#eff6ff!important;border-color:rgba(96,165,250,.78)!important;background:linear-gradient(180deg,rgba(59,130,246,.36),rgba(37,99,235,.18))!important}
.qa-mode-badge.mode-need{color:#fff1f2!important;border-color:rgba(251,113,133,.78)!important;background:linear-gradient(180deg,rgba(244,63,94,.30),rgba(190,24,93,.16))!important}
.qa-mode-badge.mode-weak{color:#fffbeb!important;border-color:rgba(251,191,36,.82)!important;background:linear-gradient(180deg,rgba(245,158,11,.30),rgba(180,83,9,.16))!important}
.qa-mode-badge.mode-done{color:#ecfdf5!important;border-color:rgba(52,211,153,.78)!important;background:linear-gradient(180deg,rgba(16,185,129,.30),rgba(5,150,105,.16))!important}
.qa-mini-progress{height:5px!important;margin-top:2px!important;background:rgba(148,163,184,.18)!important}
.qa-mini-progress>span{box-shadow:0 0 10px rgba(34,197,94,.38)}
.qa-answer-topic{display:inline-flex;margin-bottom:8px;padding:3px 8px;border-radius:999px;background:rgba(148,163,184,.10);border:1px solid rgba(148,163,184,.18);font-size:12px;font-weight:850;color:#cbd5e1}
.qa-card-title{display:none!important}
@media(max-width:640px){.qa-category-badge,.qa-mode-badge{font-size:12px!important;padding:5px 9px!important}.qa-meta{gap:6px!important}}

/* v423: mode progress first; restore slim progress bar */
.qa-mini-progress{height:3px!important}