*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f4f6fb;color:#11264d;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.58}button,textarea{font:inherit}button{cursor:pointer}button:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #4798ff;outline-offset:3px}[hidden]{display:none!important}.container{width:min(1180px,calc(100% - 36px));margin-inline:auto}.site-header{color:#fff;background:linear-gradient(105deg,#09142d,#0a2255 60%,#081942);box-shadow:0 2px 10px #091a3730}.header-inner{min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:21px;font-weight:850;letter-spacing:.005em;line-height:1.35;white-space:normal}.taxi-mark{color:#ffc836}.brand-sep{padding:0 10px;color:#c8d5ee}.brand-sub{font-size:18px}.header-detail{font-size:11px;color:#cfdbf7;text-align:right;white-space:nowrap}.topic-bar{min-height:52px;display:flex;align-items:center;gap:14px;background:#e5ecff;padding:9px 15px;border-radius:0 0 9px 9px}.topic-num{background:#3a3b9d;color:white;font-size:17px;font-weight:900;border-radius:7px;padding:4px 13px;white-space:nowrap}.topic-bar h1{font-size:20px;line-height:1.3;margin:0}.topic-note{margin-left:auto;font-size:12px;background:#3b3d99;border-radius:30px;color:white;font-weight:700;padding:6px 15px;white-space:nowrap}.disclaimer{font-size:11px;color:#616f85;margin:11px 4px 10px}.screen{background:#fff;border-radius:10px;box-shadow:0 3px 15px #1d32640e;margin-bottom:14px;padding:12px}.question-intro,.result-scene{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.94fr);gap:14px}.question-photo,.result-photo{position:relative;min-width:0;overflow:hidden;border-radius:5px;background:#e9eef7}.question-photo img,.result-photo img{display:block;width:100%;aspect-ratio:16/9;object-fit:contain}.photo-subtitle{position:absolute;left:12px;bottom:10px;border-radius:7px;padding:4px 8px;background:#0e2146d9;color:#fff;font-size:11px}.situation-side{display:flex;flex-direction:column;gap:12px}.situation,.question-highlight{border-radius:12px;padding:13px 15px;background:#fff;box-shadow:0 1px 9px #1c28491b}.situation p{font-size:14px;color:#121e31;margin:5px 0}.question-highlight{border:2px solid #edb23a;background:#fff9eb;flex:1}.mini-title{display:inline-block;background:#071d4a;color:#fff;font-weight:900;font-size:13px;line-height:1.3;padding:4px 17px;border-radius:30px;margin-bottom:8px}.mini-title.amber{background:#a97809}.question-highlight h2{font-size:18px;line-height:1.55;margin:0;color:#111d37}.answer-section{margin-top:13px}.block-title{font-size:20px;color:#0c2857;margin:0 0 8px;line-height:1.4;font-weight:850}.answer-section textarea,.m5-field textarea{width:100%;min-height:130px;border:2px solid #aabbd8;padding:13px 16px;border-radius:8px;resize:vertical;background:#fbfcff;color:#1d2944;line-height:1.7}.answer-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px;font-size:12px;color:#677a94}.btn{border:1px solid transparent;border-radius:8px;padding:10px 19px;font-size:14px;font-weight:800;transition:filter .18s,transform .18s;line-height:1.25}.btn:hover{filter:brightness(.95)}.btn:active{transform:translateY(1px)}.btn.primary{background:#0d2a6c;color:#fff}.btn.ghost{background:#fff;color:#173361;border-color:#a0b1ca}.inline-error{font-size:13px;color:#bd223a}.debug-tools{margin-top:10px;padding:8px;background:#f0f4ff;border:1px dashed #b4c9f7}.debug-tools button{padding:6px}.answer-review{margin:13px 0;background:#f8faff;border-radius:9px;padding:10px;border:1px solid #dce6f8}.answer-review .block-title{margin-bottom:5px}.answer-quoted{font-size:15px;line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere;padding:10px 17px;background:#f7f9ff;border:1.5px solid #a1b2ce;border-radius:8px;color:#162648;min-height:60px}.points-section{margin-top:12px}.points-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px}.points-hint{font-size:12px;color:#5c6f8c}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.risk-card{border:2.5px solid #e04455;border-radius:10px;padding:6px;background:#fff;box-shadow:0 2px 7px #13294b12;min-width:0;display:flex;flex-direction:column}.risk-card.pass{border-color:#13a157}.risk-card.fail{border-color:#de4052}.card-top{display:flex;align-items:center;justify-content:space-between;gap:4px;min-height:30px}.card-title{font-size:14px;line-height:1.35;font-weight:900;color:#17366b}.card-top .status{display:inline-flex;align-items:center;color:#fff;border-radius:99px;font-size:10px;padding:3px 7px;white-space:nowrap;background:#d83d4f;font-weight:900}.risk-card.pass .status{background:#159b4f}.card-image{position:relative}.image-zoom{display:block;position:relative;width:100%;padding:0;border:0;background:#edf1f9;border-radius:5px;overflow:hidden;cursor:zoom-in}.image-zoom img{display:block;object-fit:contain;width:100%;height:clamp(93px,10vw,132px);background:#eaf0f7}.risk-card.pass .image-zoom{outline:4px solid #10a858;outline-offset:-4px}.risk-card.fail .image-zoom{outline:4px solid #e2394c;outline-offset:-4px}.zoom-hint{position:absolute;right:6px;bottom:5px;background:#0e2744de;color:#fff;font-weight:800;font-size:12px;border-radius:99px;padding:1px 7px}.card-body{padding:7px 3px 3px;flex:1;display:flex;flex-direction:column;gap:4px}.card-body p{font-size:12px;line-height:1.45;margin:0;color:#192b4f}.card-body p.muted{color:#60758e;font-size:10px;margin-top:auto}.placeholder-label{display:inline-block;color:#845d00;background:#fff5d0;font-size:10px;padding:3px 6px;margin:2px 0}.assessment-area{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:16px;margin-top:18px;align-items:stretch}.assessment-main{min-width:0}.evaluation-rows{display:grid;gap:0}.evaluation-row{display:grid;grid-template-columns:110px 105px minmax(0,1fr);align-items:start;gap:10px;padding:7px 8px;border-bottom:1px solid #cfd9e8;font-size:13px;line-height:1.5}.evaluation-row:first-child{border-top:1px solid #d3deec}.evaluation-status{border-radius:22px;padding:2px 5px;font-size:14px;font-weight:900;text-align:center;background:#df4052;color:#fff}.evaluation-row.pass .evaluation-status{background:#169c51}.evaluation-axis{font-weight:900;white-space:nowrap}.evaluation-explainer{color:#334764}.overall{border:2px solid #c2cee3;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:14px;background:#fcfdff}.overall-title{font-size:20px;font-weight:900;text-align:center}.overall-badge{font-size:23px;font-weight:900;padding:7px 16px;border-radius:13px;color:#fff;background:#bf4855;width:100%;text-align:center;margin-top:8px}.overall-badge.pass{background:linear-gradient(90deg,#12a843,#05842d)}.overall-detail{font-size:17px;font-weight:850;margin-top:10px;text-align:center}.overall-detail b{font-size:25px}.overall-small{font-size:11px;color:#61758e;text-align:center}.major-warning{background:#fff3e5;color:#9c4900;border-left:4px solid #e88b13;padding:8px 12px;font-size:12px;margin-bottom:6px}.m5-area{margin-top:18px;display:grid;grid-template-columns:minmax(245px,.6fr) minmax(0,1.6fr);gap:15px;background:#eff3ff;border-radius:12px;padding:12px;align-items:start}.m5-title h2{font-size:18px;margin:0 0 6px}.m5-title p{font-size:12px;line-height:1.6;color:#53678c;margin:0}.m5-field textarea{min-height:90px;font-size:14px;padding:10px 12px;background:#fff}.m5-note{font-size:10px;color:#597092;margin:4px 0 0}.reference-answer details,.manual-section{border:1px solid #d7e1f1;border-radius:8px;margin-top:14px;font-size:13px}.reference-answer summary,.manual-section summary{padding:8px 13px;font-weight:800;cursor:pointer}.reference-content,.manual-section p{padding:3px 14px}.reference-content p{margin:7px 0}.manual-controls{padding:6px 13px 13px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.manual-label{display:flex;align-items:center;gap:7px;background:#f6f9ff;padding:6px;border-radius:6px;font-size:12px}.manual-label input{accent-color:#14a353;width:17px;height:17px}.result-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}.result-actions .btn:first-child{margin-right:auto}.finish-panel{padding:24px}.finish-panel h2{font-size:24px}.finish-panel blockquote{white-space:pre-wrap;overflow-wrap:anywhere;border-left:4px solid #3355a1;padding:12px;background:#f5f8ff}.finish-panel ul{padding-left:22px}.image-dialog{max-width:min(96vw,1500px);max-height:96vh;border:0;border-radius:12px;padding:14px;background:#fff;box-shadow:0 20px 60px #0006}.image-dialog::backdrop{background:#05132dcb}.lightbox-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:10px}.lightbox-head h2{font-size:19px;margin:0}.image-dialog img{display:block;max-width:100%;max-height:calc(96vh - 120px);width:auto;height:auto;object-fit:contain}.image-dialog p{margin:10px 0 0;font-size:13px;color:#4e627b}.visually-hidden{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}footer{font-size:11px;color:#647795;text-align:center;padding:8px 10px 32px}
@media(max-width:980px){.brand{font-size:17px}.brand-sub{font-size:15px}.header-detail{display:none}.topic-note{font-size:10px}.question-intro,.result-scene{grid-template-columns:1fr 1fr}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.image-zoom img{height:clamp(95px,18vw,150px)}.assessment-area{grid-template-columns:1fr 220px}.evaluation-row{grid-template-columns:88px 83px minmax(0,1fr)}.card-title{font-size:13px}}
@media(max-width:690px){.container{width:calc(100% - 16px)}.site-header .header-inner{min-height:52px;padding:5px 3px}.brand{font-size:15px}.brand-sub{font-size:13px}.brand-sep{padding:0 3px}.topic-bar{gap:8px;flex-wrap:wrap}.topic-bar h1{font-size:16px}.topic-num{font-size:13px;padding:4px 8px}.topic-note{margin-left:0;padding:4px 9px}.screen{padding:10px}.question-intro,.result-scene{grid-template-columns:1fr}.situation-side{gap:8px}.situation,.question-highlight{padding:10px}.situation p{font-size:13px}.question-highlight h2{font-size:15px}.block-title{font-size:17px}.answer-quoted{font-size:13px}.assessment-area{grid-template-columns:1fr}.overall{padding:13px}.m5-area{grid-template-columns:1fr;gap:10px}.result-actions .btn:first-child{margin-right:0}.result-actions .btn{flex:1}.disclaimer{font-size:10px}.evaluation-row{font-size:11px;grid-template-columns:75px 75px minmax(0,1fr);gap:6px;padding:7px 4px}.evaluation-status{font-size:12px}.evaluation-axis{font-size:11px}}
@media(max-width:390px){.cards{gap:7px}.risk-card{padding:4px}.card-title{font-size:12px}.card-body p{font-size:10px}.image-zoom img{height:98px}.topic-note{font-size:9px}.points-hint{font-size:10px}.result-actions .btn{font-size:12px;padding:9px 10px}}
@media print{.site-header,.disclaimer,.result-actions,.manual-section,.reference-answer,.image-dialog,footer,.debug-tools,.answer-footer{display:none!important}.container{width:100%}.screen{border:0;box-shadow:none}.risk-card,.overall,.m5-area{break-inside:avoid}.cards{grid-template-columns:repeat(4,minmax(0,1fr))}.image-zoom img{height:108px}.topic-bar{background:#fff}.answer-quoted{font-size:12px}}

/* Stable 16:9 image geometry even while images are loading. */
.question-intro,.result-scene{align-items:start}
.question-photo,.result-photo{aspect-ratio:16/9;height:auto;align-self:start}
.question-photo img,.result-photo img{width:100%;height:100%;aspect-ratio:auto;object-fit:contain}
.question-highlight{flex:0 0 auto}

/* 危険予知トレーニング: 学習完了 + AI講師カード */
.grade-source{font-size:.78rem;color:#567;white-space:nowrap}
#apiMessage{margin:12px 0;padding:10px 14px;border:1px solid #bbcfec;border-radius:10px;color:#193a63;background:#f4f8ff}
#apiMessage[hidden]{display:none}
button:disabled{opacity:.6;cursor:wait}
.finish-panel{background:linear-gradient(145deg,#f4f8ff,#fff9e9);padding:18px;border-radius:16px}
.complete-hero{padding:18px;background:linear-gradient(110deg,#084a94,#2367b3);color:white;border-radius:14px;margin-bottom:16px}
.complete-hero h2{font-size:1.5rem;margin:0 0 8px}
.complete-hero .stars{font-size:1.35rem}
.finish-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:14px 0}
.teacher-card,.declaration-card,.summary-card{background:white;border:1px solid #d2def4;border-radius:14px;padding:16px;box-shadow:0 4px 12px #19396812}
.teacher-card{background:#fff9ee;border-color:#eddaac}
.teacher-card h3,.declaration-card h3{margin:0 0 10px;color:#142e54;font-size:1.13rem}
.teacher-card p,.declaration-card p{white-space:pre-wrap;line-height:1.85}
.teacher-label{font-size:.75rem;font-weight:bold;color:#6e5b28}
#finishText blockquote{background:#fff;padding:12px;border-left:5px solid #5286cb;margin:10px 0;white-space:pre-wrap}
#teacherAdvice{display:block;margin-top:9px;color:#134b7a;font-weight:bold}
@media(max-width:680px){.finish-grid{grid-template-columns:1fr}.complete-hero h2{font-size:1.3rem}}

/* v8: clear per-step AI connection and failure notices */
.ai-connection-status,.ai-verification{margin:10px 0 0;padding:11px 14px;border-radius:9px;border:1px solid #a6d7c6;background:#ecfff5;color:#07633d;font-weight:750;font-size:13px;line-height:1.6}.ai-connection-status.error{border-color:#edb0b3;background:#fff1f2;color:#a21c2d}.ai-verification{margin-bottom:12px}.m5-area .ai-connection-status{margin-top:8px;background:#fff} 

/* v11: photo-backed mentor display in answer, M5 and completion */
.answer-mentor{display:flex;align-items:center;gap:12px;margin:0 0 10px}.answer-mentor img,.mentor-heading img,.teacher-heading img{display:block;object-fit:cover;border-radius:50%;border:3px solid #f5ca22;background:#fff8b7;flex:none}.answer-mentor .block-title{margin:0 0 3px}.answer-mentor p{margin:0;font-size:12px;color:#506784}.mentor-heading,.teacher-heading{display:flex;align-items:center;gap:11px}.mentor-heading{margin:0 0 7px}.mentor-heading h2,.teacher-heading h3{margin:0}.teacher-heading{margin:7px 0 13px}.teacher-card{overflow-wrap:anywhere}
@media(max-width:690px){.answer-mentor img{width:52px;height:52px}.mentor-heading img{width:46px;height:46px}.teacher-heading img{width:58px;height:58px}}

/* v13 supplementary lesson navigation and preview label */
.lesson-catalog-link{margin:8px 4px 12px;font-size:13px}.lesson-catalog-link a{color:#1b509b;font-weight:800}.hazard-preview-banner{background:#fff3dd;color:#713d02;border:2px solid #f0c36b;padding:12px 16px;border-radius:9px;margin:12px 0}.hazard-preview-banner a{color:#064e8b;font-weight:800}.question-photo img,.result-photo img{transform-origin:center center} .image-zoom img{transform-origin:center center}