:root{
  --bg:#f4f2ea;--paper:#fffefa;--paper2:#f8f6ef;--ink:#17212b;--muted:#62707b;
  --navy:#17324d;--navy2:#274d6b;--line:#d9d6ca;--green:#2f6b57;--green2:#e9f1ed;
  --gold:#9a6b1d;--gold2:#f7eedc;--red:#9b3d3d;--red2:#f8eaea;--violet:#645285;--cyan:#274d6b;
  --shadow:0 10px 30px rgba(42,44,37,.08);--radius:16px;--content:74ch;
}
*{box-sizing:border-box}html{background:var(--bg);color:var(--ink)}body{margin:0;min-height:100%;background:linear-gradient(180deg,#ebe8de 0,#f4f2ea 170px,#f4f2ea 100%);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Yu Gothic UI","Noto Sans JP",sans-serif;line-height:1.7;color:var(--ink)}
button,input,textarea,select{font:inherit}button{min-height:44px}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #7fb0d1;outline-offset:2px}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;padding:calc(8px + env(safe-area-inset-top)) 14px 8px;background:rgba(248,247,242,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{flex:1;min-width:0}.brandSmall{font-size:9px;color:var(--muted);letter-spacing:.16em;font-weight:700}.brandTitle{font-family:Georgia,"Yu Mincho",serif;font-weight:700;font-size:17px;white-space:nowrap;color:var(--navy)}.brandTitle span{color:var(--green);font-family:inherit}.iconBtn{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;color:var(--navy);background:var(--paper);font-size:18px}
.screen{max-width:980px;margin:0 auto;padding:22px 16px calc(92px + env(safe-area-inset-bottom))}.bottomNav{position:fixed;z-index:30;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(5,1fr);padding:6px 8px calc(6px + env(safe-area-inset-bottom));background:rgba(255,254,250,.96);backdrop-filter:blur(16px);border-top:1px solid var(--line)}.navBtn{border:0;background:transparent;color:#71808a;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;padding:5px;border-radius:10px}.navBtn span{font-family:Georgia,"Yu Mincho",serif;font-size:17px;font-weight:700}.navBtn small{font-size:10px}.navBtn.active{color:var(--navy);background:#e8edf0}
.hero{padding:28px;background:var(--paper);border:1px solid var(--line);border-top:5px solid var(--navy);border-radius:18px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero:after{content:"応仁";position:absolute;right:16px;bottom:-30px;font-family:Georgia,"Yu Mincho",serif;font-size:108px;font-weight:700;color:rgba(23,50,77,.035);pointer-events:none}.eyebrow,.kicker{font-size:10px;color:var(--green);font-weight:800;letter-spacing:.16em}.hero h1{font-family:Georgia,"Yu Mincho",serif;margin:8px 0 6px;font-size:31px;line-height:1.25;color:var(--navy)}.hero h1 span{color:var(--green)}.hero p{max-width:var(--content);color:var(--muted);margin:8px 0 20px;font-size:14px}.statsRow{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.stat{background:var(--paper2);border:1px solid var(--line);padding:10px 12px;border-radius:12px}.stat b{display:block;font-size:20px;color:var(--navy)}.stat span{font-size:10px;color:var(--muted)}
.sectionTitle{display:flex;justify-content:space-between;align-items:end;margin:26px 2px 10px}.sectionTitle h2{font-family:Georgia,"Yu Mincho",serif;font-size:19px;margin:0;color:var(--navy)}.sectionTitle span{font-size:10px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:0 5px 18px rgba(42,44,37,.045)}button.card{color:var(--ink);text-align:left;width:100%;cursor:pointer}.card:active{transform:translateY(1px)}.cardIcon{font-family:Georgia,"Yu Mincho",serif;font-size:24px;color:var(--navy)}.card h3{margin:7px 0 4px;font-size:16px;color:var(--navy)}.card p{margin:0;color:var(--muted);font-size:12px;line-height:1.65}.tag{display:inline-flex;align-items:center;padding:3px 8px;border-radius:999px;background:var(--green2);color:var(--green);border:1px solid #c7dcd2;font-size:10px;font-weight:800;margin-top:8px}.tag.good{color:var(--green)}.tag.warn{color:var(--gold);background:var(--gold2);border-color:#e7d7b8}.diff-1{background:#edf3f7;color:#365b76;border-color:#c9d9e4}.diff-2{background:var(--green2);color:var(--green);border-color:#c7dcd2}.diff-3{background:var(--gold2);color:var(--gold);border-color:#e7d7b8}.diff-4{background:var(--red2);color:var(--red);border-color:#e7c1c1}
.progressBar{height:8px;border-radius:99px;background:#e8e7e0;overflow:hidden}.progressBar i{display:block;height:100%;background:linear-gradient(90deg,var(--navy2),var(--green));border-radius:99px}.topicRow{padding:13px 0;border-bottom:1px solid #e8e5dc}.topicRow:last-child{border-bottom:0}.topicHead{display:flex;justify-content:space-between;gap:10px;margin-bottom:6px}.topicHead b{font-size:13px}.topicHead span{font-size:11px;color:var(--muted)}
.btn{border:1px solid #aeb7bd;border-radius:12px;background:var(--paper);color:var(--navy);padding:11px 14px;font-weight:750;cursor:pointer}.btn.primary{background:var(--navy);border-color:var(--navy);color:white}.btn.good{background:var(--green);border-color:var(--green);color:white}.btn.ghost{background:var(--paper2)}.btn.danger{color:var(--red);border-color:#d6adad;background:var(--red2)}.btn.wide{width:100%}.btnRow{display:flex;gap:8px;flex-wrap:wrap}.btnRow .btn{flex:1}.backLink{border:0;background:transparent;color:var(--navy2);padding:4px 0;margin-bottom:8px;min-height:36px}.pageTitle{margin:2px 0 16px;max-width:var(--content)}.pageTitle h1{font-family:Georgia,"Yu Mincho",serif;font-size:27px;margin:2px 0 5px;color:var(--navy)}.pageTitle p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}
.difficultyStrip{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:12px 0 20px}.diffBtn{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:11px;text-align:left;color:var(--ink)}.diffBtn b{display:block;color:var(--navy);font-size:13px}.diffBtn span{display:block;color:var(--muted);font-size:10px;line-height:1.45;margin-top:2px}.difficultyOverview{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.difficultyOverview>div{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:12px}.difficultyOverview b{color:var(--navy)}.difficultyOverview p{font-size:10px;color:var(--muted);min-height:46px}.difficultyOverview span{font-size:11px;color:var(--green);font-weight:700}
.quizWrap{max-width:760px;margin:0 auto}.qMeta{display:flex;justify-content:space-between;gap:8px;margin-bottom:8px;color:var(--muted);font-size:10px}.qCard{background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--navy);border-radius:18px;padding:21px;box-shadow:var(--shadow)}.questionTop{display:flex;justify-content:space-between;align-items:center;gap:10px}.qCard h2{font-family:Georgia,"Yu Mincho",serif;font-size:20px;line-height:1.65;margin:12px 0 16px;white-space:pre-line;color:var(--ink)}.choiceList{display:grid;gap:9px}.choice{border:1px solid #cfd3d2;border-radius:12px;background:#fff;color:var(--ink);padding:12px 14px;text-align:left;line-height:1.55;min-height:48px}.choice:hover{border-color:#94a9b8}.choice.correct{border-color:#78a892;background:#edf6f1}.choice.wrong{border-color:#c98c8c;background:#fbefef}.explain{margin-top:14px;padding:15px;border-radius:13px;background:var(--paper2);border:1px solid var(--line);color:#27333b;line-height:1.75;font-size:13px}.sourceBox{margin-top:10px;padding:10px 12px;border-left:3px solid var(--violet);background:#f2eff7;color:#4d4365;font-size:11px;line-height:1.65}.confidence,.preConfidence{display:flex;gap:7px;margin-top:10px}.confidence button,.preConfidence button{flex:1;border-radius:10px;border:1px solid #cfd3d2;background:#fff;color:#4b5b65;padding:8px;font-size:10px}.confidence button.selected,.preConfidence button.selected{border-color:var(--navy);background:#eaf0f4;color:var(--navy);font-weight:800}.calibrationAlert{margin-top:10px;padding:9px 11px;border-radius:10px;background:var(--red2);color:var(--red);font-size:11px;font-weight:700}.selfExplain{margin-top:12px;padding-top:10px;border-top:1px dashed #cbc8bc;display:grid;gap:1px}.selfExplain b{font-size:11px;color:var(--green)}.selfExplain span{font-size:10px;color:var(--muted)}
.timeline{display:grid;gap:8px}.timelineItem{display:flex;gap:12px;padding:13px;border-radius:12px;background:var(--paper);border:1px solid var(--line)}.timelineYear{font-size:17px;font-weight:900;color:var(--navy);min-width:56px}.timelineText{font-size:12px;line-height:1.65}.人物{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.personCard{padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:12px}.personCard b{display:block;color:var(--navy)}.personCard small{color:var(--muted);line-height:1.55}
.triGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.deepBox{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:14px}.deepBox span{display:block;font-size:9px;letter-spacing:.08em;color:var(--muted)}.deepBox b{display:block;margin:2px 0 6px;font-family:Georgia,"Yu Mincho",serif;color:var(--navy);font-size:17px}.deepBox p{margin:0;font-size:12px;color:#43515a}.deepBox.fact{border-top:4px solid var(--navy2)}.deepBox.think{border-top:4px solid var(--green)}.deepBox.caution{border-top:4px solid var(--gold)}.cardNumber{font-family:Georgia,serif;font-size:12px;color:var(--green);letter-spacing:.1em}.meterLabel{display:flex;justify-content:space-between;font-size:10px;margin:10px 0 4px;color:var(--muted)}
.interviewCard{background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--green);border-radius:18px;padding:21px;box-shadow:var(--shadow)}.timer{font-variant-numeric:tabular-nums;font-size:34px;font-weight:900;color:var(--navy);text-align:center;margin:6px}.interviewQ{font-family:Georgia,"Yu Mincho",serif;font-size:21px;line-height:1.7;font-weight:700;margin:18px 0}.answerArea{width:100%;min-height:120px;background:#fff;border:1px solid #cfd3d2;border-radius:12px;color:var(--ink);padding:12px;resize:vertical;line-height:1.7}.rubric{display:grid;gap:7px;margin-top:10px}.rubricItem{display:flex;gap:9px;align-items:flex-start;padding:10px;border-radius:11px;background:var(--paper2);border:1px solid var(--line)}.rubricItem input{margin-top:5px}.followUp{padding:12px;border-radius:12px;background:var(--gold2);border:1px solid #e6d2ac;color:#70521e;margin-top:10px;line-height:1.65}.recordStatus{font-size:11px;color:var(--muted);margin:8px 0}.audioPlayback{width:100%;margin-top:8px}.interviewStats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}.interviewStats>div{background:var(--paper);border:1px solid var(--line);padding:12px;border-radius:12px;text-align:center}.interviewStats b{display:block;font-size:20px;color:var(--navy)}.interviewStats span{font-size:10px;color:var(--muted)}
.badgeGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.badge{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}.scoreBig{text-align:center;font-size:56px;font-weight:900;color:var(--navy)}.resultCard{text-align:center}.muted{color:var(--muted)}.small{font-size:11px}.notice{padding:13px;border-radius:12px;background:#edf2f4;border:1px solid #cfdde4;color:#344a57;font-size:11px;line-height:1.75}.dangerNotice{background:var(--red2);border-color:#e7c1c1;color:var(--red)}
.modalBack{position:fixed;inset:0;z-index:100;background:rgba(22,26,29,.42);display:grid;place-items:center;padding:16px}.modal{width:min(560px,100%);max-height:88vh;overflow:auto;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.modal h2{margin-top:0;color:var(--navy)}.settingsRow{padding:13px 0;border-bottom:1px solid var(--line)}.settingsRow label{display:flex;justify-content:space-between;gap:12px;align-items:center}.select,input[type=number]{background:white;color:var(--ink);border:1px solid #c7cccd;border-radius:9px;padding:8px}.mastery{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--muted)}
html[data-density="compact"] .card,html[data-density="compact"] .qCard,html[data-density="compact"] .interviewCard{padding:12px}html[data-density="compact"] body{line-height:1.55}
html[data-reduce-motion="true"] *,@media (prefers-reduced-motion: reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media(max-width:680px){.grid,.difficultyOverview,.triGrid{grid-template-columns:1fr}.difficultyStrip{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:27px}.statsRow{grid-template-columns:repeat(3,1fr)}.人物{grid-template-columns:1fr}.screen{padding-left:12px;padding-right:12px}.brandTitle{font-size:15px}.interviewQ,.qCard h2{font-size:19px}.sectionTitle span{display:none}}

.generalBack{display:block;max-width:920px;margin:10px auto 0;padding:0 16px;color:var(--navy2);text-decoration:none;font-size:12px;font-weight:800}.generalBack:focus-visible{outline:3px solid #6d91a6;outline-offset:3px;border-radius:8px}