:root{--paper:#f4f5f0;--panel:#fff;--ink:#203832;--muted:#61706a;--line:#dce4de;--accent:#176b58;--soft:#e9f3ec;--warn:#7a5a16;--warnbg:#fff5dd;--error:#9d3d3a;--radius:18px}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN",Meiryo,system-ui,sans-serif;font-size:15px;line-height:1.75}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #458dbd;outline-offset:4px}a{color:var(--accent);text-underline-offset:3px}h1,h2,h3,p{margin:0}h1{font-size:36px;line-height:1.45;letter-spacing:.015em}h2{font-size:23px;line-height:1.55}h3{font-size:17px}small,.small{font-size:12px}.shell{min-height:100vh;display:grid;grid-template-columns:224px 1fr}.sidebar{background:#fff;border-right:1px solid var(--line);padding:30px 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1fr;gap:20px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px}.card + .card.vertical{margin-top:18px}.card-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.muted{color:var(--muted)}.notice{border:1px solid #e9dcb9;background:var(--warnbg);color:var(--warn);padding:15px 19px;border-radius:12px;font-size:13px;line-height:1.8;margin:16px 0}.notice.subtle{background:#eff4f0;color:var(--muted);border-color:var(--line)}.list-row{border-top:1px solid var(--line);padding:12px 0;display:flex;align-items:center;justify-content:space-between;gap:15px}.list-row:first-child{border-top:0}.list-row strong{font-size:14px}.sub{display:block;font-size:12px;color:var(--muted)}.page-heading{margin-bottom:23px}.page-heading p{color:var(--muted);margin-top:8px;font-size:14px}.filters{display:flex;gap:12px;margin:18px 0}.filters input{flex:1;min-width:0}.filters input,.filters select{background:#fff;border:1px 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var(--line);border-radius:18px;overflow:hidden}.figure-area{min-height:335px;display:flex;align-items:center;justify-content:center;padding:30px;background:#fcfdf9}.figure-area svg{width:100%;max-width:390px;max-height:350px}.figure-area img{display:block;max-width:100%;max-height:500px;object-fit:contain}.figure-caption{border-top:1px solid var(--line);padding:17px 22px;font-size:12px;color:var(--muted)}.options{display:grid;gap:11px;margin-top:25px}.option{width:100%;border:1px solid var(--line);background:#fff;text-align:left;border-radius:12px;padding:14px 17px;display:flex;align-items:center;justify-content:space-between;gap:15px}.option .key{border:1px solid var(--line);border-radius:6px;padding:0 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var(--line);vertical-align:top}.status-table th{font-size:12px;color:var(--muted);font-weight:500}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-35%);max-width:min(90vw,680px);background:#203832;color:#fff;padding:13px 20px;border-radius:12px;z-index:5;box-shadow:0 8px 30px #20383233;font-size:13px}.footer{font-size:11px;color:var(--muted);margin-top:30px;padding-top:18px;border-top:1px solid var(--line)}.empty{padding:35px 20px;text-align:center;color:var(--muted)}.hidden{display:none!important}.wide{grid-column:1/-1}.backup-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.import-confirm{margin-top:18px;padding:18px;border:1px solid #e5c88d;border-radius:12px;background:#fff8e5}.data-list{list-style:none;padding:0;margin:0}.demo-pill{background:var(--warnbg);border:1px solid #ead9ac;color:var(--warn);font-size:12px;padding:5px 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@media(max-width:1100px){.main{padding:25px}.hero{grid-template-columns:1fr;padding:26px}.hero-side{display:none}.catalog{grid-template-columns:repeat(2,1fr)}.quiz-grid{grid-template-columns:1fr 1fr}.quality-grid{grid-template-columns:1fr}}
@media(max-width:760px){.shell{display:block}.sidebar{position:static;width:auto;padding:16px 18px;gap:13px;border-right:0;border-bottom:1px solid var(--line)}.brandmark{width:32px;height:32px;font-size:18px}.brand strong{font-size:18px}.brand small{font-size:9px}.nav{grid-template-columns:repeat(4,1fr);gap:4px}.nav button{padding:9px 5px;text-align:center;font-size:12px}.nav-num{display:none}.sidebar-note{display:none}.main{padding:20px 16px}.topline{margin-bottom:18px}.hero{padding:24px}.hero h1{font-size:27px}.stats{gap:8px}.stat{padding:13px}.stat-value{font-size:28px}.stat-label{font-size:11px}.stat-note{font-size:10px}.grid2,.quiz-grid,.quality-grid{grid-template-columns:1fr}.catalog{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.candidate{padding:13px}.candidate h3{font-size:17px}.figure-area{min-height:240px;padding:22px}.card{padding:20px}.toast{transform:translateX(-50%)}.filters{flex-wrap:wrap}.filters input{width:100%}.empty-figure{height:70px}.quiz-header{align-items:flex-start}.quiz-header h2{font-size:19px}.status-table{font-size:12px}.topline .eyebrow{font-size:9px}}
@media(prefers-reduced-motion:no-preference){button{transition:background .12s,border-color .12s}}


/* 筋肉編著 v1: 武骨な道場の雰囲気。問題・説明は常に通常のゴシック体。 */
:root{--paper:#f4efe6;--panel:#fffdf8;--ink:#241f1a;--muted:#655e53;--line:#dfd5c6;--accent:#802b28;--soft:#f4e4dd;--warn:#765017;--warnbg:#fff5e1;--error:#922f29;--radius:10px}
body{background:var(--paper);color:var(--ink);font-family:'Yu Gothic UI','Hiragino Kaku Gothic ProN',Meiryo,system-ui,sans-serif}
.sidebar{background:#231e1b;border-right:4px solid #9f7b42;color:#f8f0e2}
.brandmark{background:#922d28;color:#fff5df;border:1px solid #b98c54;border-radius:5px}
.brand strong{color:#fbf3dd;font-family:YuMincho,'Hiragino Mincho ProN','MS PMincho',serif;font-weight:900;letter-spacing:.045em}
.brand small{color:#c9a46e}
.sidebar .nav button{color:#e1d1b7;border-radius:5px}
.sidebar .nav button.active{color:#fff5e2;background:#73302a;border-left:3px solid #d6af71}
.sidebar-note{color:#d1bfa0;border-top-color:#5b4e3a}
.eyebrow{color:#8b633a}
.hero{background:linear-gradient(135deg,#322521 0%,#632d2a 62%,#742d29 100%);border:1px solid #996e4b;border-radius:10px;color:#fff7e8;position:relative;overflow:hidden}
.hero::after{content:'筋';position:absolute;right:16%;top:0;color:#e8b96a14;font-family:serif;font-weight:900;font-size:270px;line-height:1;pointer-events:none}
.hero h1{font-family:YuMincho,'Hiragino Mincho ProN','MS PMincho',serif;font-weight:900;font-size:43px;line-height:1.35;letter-spacing:.09em;position:relative;z-index:1}
.hero p{color:#eee0d1;position:relative;z-index:1}
.hero .eyebrow{color:#e6b878}
.hero .actions{position:relative;z-index:1}
.hero-side{background:#251e1bb5;color:#fff3dd;border-color:#996b50;position:relative;z-index:1}
.hero-side strong{color:#fff3df}
.step-dot{background:#71413a;color:#ffe6b6}
.hero .btn:not(.primary){background:#f8f0e5;border-color:#caa572;color:#5c3027}
.card,.stat,.candidate,.figure-card{border-color:#ddceb7;box-shadow:0 3px 12px #3b221009}
.card h2,.page-heading h1{font-family:YuMincho,'Hiragino Mincho ProN','MS PMincho',serif;letter-spacing:.03em}
.card h3,.candidate h3{color:#58332b}
.btn{border-radius:5px}
.btn.primary{background:#802b28;color:#fff8ef}
.btn:focus-visible{outline-color:#b78040}
.nav-num{color:#d7b678}
.main{max-width:1440px}
.rank-hero{display:flex;gap:24px;align-items:stretch;justify-content:space-between;background:linear-gradient(110deg,#332521,#6c2e27);color:#fff6e4;border-radius:10px;padding:30px 34px;margin-bottom:14px;border:1px solid #ba8854}
.rank-hero .kicker{color:#e8bc7c}.rank-hero h2{font-family:YuMincho,'Hiragino Mincho ProN','MS PMincho',serif;font-size:26px}
.rank-hero p{font-size:13px;color:#f1e5d2;margin-top:9px;max-width:670px}
.rank-status{border:1px solid #bb9b63;background:#201b19b5;min-width:200px;display:flex;align-items:center;justify-content:center;flex-direction:column;border-radius:7px;padding:14px}
.rank-status span{font-size:12px;color:#d3b98f}.rank-status strong{font-size:28px;font-family:serif;color:#ffd596;line-height:1.7}.rank-status small{color:#e0cfb5;font-size:10px}
.ranks-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.rank-item{display:flex;gap:16px;align-items:center;background:#fffdf8;border:1px solid #dac9b1;border-radius:8px;padding:18px 20px;box-shadow:0 2px 9px #42281909}
.rank-seal{flex:0 0 64px;height:64px;display:grid;place-items:center;border:3px double #a07847;border-radius:6px;font-family:YuMincho,'Hiragino Mincho ProN',serif;color:#72302c;font-weight:900;font-size:20px;background:#f7eee0}
.rank-desc{flex:1;min-width:0}.rank-desc h3{font-family:YuMincho,'Hiragino Mincho ProN',serif;font-size:16px;margin:3px 0}.rank-desc p{font-size:12px;color:#5e584f;line-height:1.7}.rank-group{font-size:10px;color:#977b56}
.rank-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.rank-tags span{font-size:10px;color:#624a35;background:#efe6d9;border-radius:4px;padding:2px 7px}
.rank-locked{font-size:10px;color:#8d7c64;white-space:nowrap;padding:5px 8px;border:1px solid #dfcfb5;border-radius:30px}
.empty-figure{background:repeating-linear-gradient(135deg,#f8f2e8 0,#f8f2e8 7px,#efe5d9 7px,#efe5d9 8px);border-color:#d6c5aa}
.option.correct{background:#edf5e9}.option.wrong{background:#ffebe9}
@media(max-width:900px){.ranks-list{grid-template-columns:1fr}.rank-hero{flex-direction:column}}
@media(max-width:760px){.sidebar{background:#231e1b;border-bottom-color:#ab8755}.nav{grid-template-columns:repeat(5,minmax(0,1fr))}.nav button{font-size:11px;padding:9px 1px}.rank-item{padding:13px;gap:11px}.rank-seal{flex-basis:53px;height:53px;font-size:17px}.rank-locked{display:none}.rank-hero{padding:22px}.hero h1{font-size:31px}}
/* Production review previews are reachable only from the quality screen. */
.review-workbench{margin-top:24px;display:block}.review-workbench summary{font-size:1.1rem;font-weight:700;cursor:pointer;padding:8px 0}.review-workbench[open] summary{margin-bottom:20px}.review-figure,.review-claim{border-top:1px solid #d5cdbc;margin-top:24px;padding-top:20px}.review-figure img{display:block;width:100%;max-width:900px;height:auto;margin:20px auto;border:1px solid #d5cdbc}.review-hash{display:block;overflow-wrap:anywhere;font-size:.75rem}.review-workbench li{margin:10px 0}.review-workbench p,.review-workbench li{overflow-wrap:anywhere}
.review-image-frame{max-width:100%;overflow:auto}.review-image-frame.is-expanded img{width:1200px;max-width:none}
/* v1.1 鬼教官の講評。結果演出のみ。問題文・学術解説は従来どおり読みやすいゴシック体。 */
.result-score-banner{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;background:#fffdf8;border:1px solid #dac9b1;border-radius:8px;padding:17px 25px;margin-bottom:16px}
.result-points{font-size:43px;line-height:1.25;font-weight:800;color:#66241f;font-variant-numeric:tabular-nums}
.result-points span{font-size:15px;font-weight:400;color:#665b50}
.result-percent{margin-left:auto;font-size:27px;font-weight:800;color:#78382e;font-variant-numeric:tabular-nums}
.result-percent small{font-size:12px;color:#736558;font-weight:400}
.instructor-card{position:relative;overflow:hidden;border:3px double #c8a16a;border-radius:9px;background:linear-gradient(128deg,#251b19,#472721 85%);color:#fff3dc;padding:27px 31px;margin-bottom:20px;box-shadow:0 8px 18px #32181220}
.instructor-card::after{content:'喝';position:absolute;right:4%;top:12%;font-family:YuMincho,'Hiragino Mincho ProN',serif;font-size:160px;line-height:1;color:#edbd8310;pointer-events:none}
.instructor-card.tier-perfect::after{content:'筋';color:#edbd8329}
.instructor-topline{display:flex;justify-content:space-between;gap:15px;align-items:center;position:relative;z-index:1}
.instructor-eyebrow{letter-spacing:.12em;font-size:11px;color:#e4bb80;font-weight:800}
.instructor-stamp{display:inline-block;color:#ffeac1;border:1px solid #c69c5e;padding:3px 12px;white-space:nowrap;font-size:12px;font-weight:900;transform:rotate(-3deg)}
.instructor-heading{font-family:YuMincho,'Hiragino Mincho ProN','MS PMincho',serif;letter-spacing:.05em;font-size:clamp(24px,4vw,33px);margin:17px 0 8px;line-height:1.4;color:#ffe2a6;position:relative;z-index:1}
.instructor-quote{position:relative;z-index:1;border-left:4px solid #d2ab6b;padding-left:16px;margin:15px 0;font-size:clamp(18px,2.7vw,25px);font-weight:850;line-height:1.7;max-width:850px;color:#fff9ee}
.instructor-motto{position:relative;z-index:1;font-size:13px;font-weight:700;color:#f6d1a1;margin-top:16px}
.instructor-disclaimer{position:relative;z-index:1;border-top:1px solid #ffffff38;color:#d9c4b7;font-size:11px;margin-top:20px;padding-top:12px}
.instructor-card.tier-rookie,.instructor-card.tier-retry{border-color:#bb6f57}
.instructor-card.tier-perfect{background:linear-gradient(125deg,#32231a,#7c4723);border-color:#f3c979}
.instructor-card.tier-perfect .instructor-heading{color:#ffdd80}
@media(max-width:760px){.instructor-card{padding:20px 18px}.instructor-card::after{font-size:100px}.result-score-banner{padding:14px 17px}.result-points{font-size:35px}.result-percent{font-size:23px}}
.review-image-frame.is-expanded img{width:var(--review-natural-width,1200px)}
.production-database,.kyu10-preparation{display:block;margin-top:22px}.production-database summary,.kyu10-preparation summary{cursor:pointer;font-weight:700;font-size:1.1rem}.production-database[open] summary,.kyu10-preparation[open] summary{margin-bottom:18px}.table-scroll{max-width:100%;overflow:auto}.production-table{min-width:980px}.production-table caption{text-align:left;font-size:13px;color:var(--muted);margin-bottom:12px}.production-table th,.production-table td{vertical-align:top}.production-table tbody th{min-width:150px;text-align:left}.production-table td{font-size:12px}.kyu10-subjects{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;list-style:none;padding:0}.kyu10-subjects li{border:1px solid var(--line);padding:10px;border-radius:8px}.kyu10-preparation p{margin:12px 0}.quiz-grid h2,.quiz-grid p,.figure-caption,.option{font-family:"Yu Gothic UI",Meiryo,system-ui,sans-serif}.instructor-topline{flex-wrap:wrap}.instructor-card{animation:instructor-arrival .35s ease-out}.instructor-quote{overflow-wrap:anywhere}@keyframes instructor-arrival{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.instructor-card{animation:none}}
/* PNG decoration only for the six registered short headings. Body text stays text. */
.brush-heading{display:inline-grid;vertical-align:middle;align-items:center;justify-items:start;max-width:100%;line-height:inherit}.brush-heading__text,.brush-heading__image{grid-area:1/1}.brush-heading__image{display:block;width:auto;height:1.3em;max-width:100%;object-fit:contain;object-position:left center}.brush-heading__image[hidden]{display:none}.brush-heading.has-image .brush-heading__text{opacity:0}.brush-heading[data-tone="light"] .brush-heading__image{filter:brightness(0) invert(1)}.brush-section-title{margin:22px 0 14px}@media print{.brush-heading__image{display:none!important}.brush-heading.has-image .brush-heading__text{opacity:1}}
.btn.primary .brush-heading__image{filter:brightness(0) invert(1)}
.brush-heading__image{height:var(--brush-image-height,1.3em)}.brush-heading[data-brush="training"]{--brush-image-height:42px}.brush-heading[data-brush="rank-list"],.brush-heading[data-brush="muscle-catalog"]{--brush-image-height:56px}.brush-heading[data-brush="promotion-exam"]{--brush-image-height:44px}.brush-heading[data-brush="start-training"]{--brush-image-height:36px}.instructor-eyebrow .brush-heading{--brush-image-height:48px}.instructor-eyebrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap}@media(max-width:760px){.brush-heading[data-brush="rank-list"],.brush-heading[data-brush="muscle-catalog"]{--brush-image-height:48px}.instructor-eyebrow .brush-heading{--brush-image-height:44px}}

/* Adopted study figures: readable captions and the existing original-size viewer. */
.study-figure{margin:16px 0;max-width:100%;min-width:0}.study-figure figcaption{overflow-wrap:anywhere}.study-figure img{display:block;width:100%;height:auto}.study-figure .is-expanded img{width:var(--review-natural-width,1200px);max-width:none}

.daily-image-question{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}.daily-image-question img{display:block;max-width:100%;width:240px;height:240px;object-fit:contain;margin:10px auto}.muscle-thumbnails{display:grid;grid-template-columns:repeat(auto-fit,minmax(135px,1fr));gap:12px}.muscle-thumbnail{display:flex;flex-direction:column;gap:5px;padding:10px;border:1px solid var(--line);border-radius:8px;text-decoration:none;min-width:0;overflow-wrap:anywhere}.muscle-thumbnail img{width:100%;height:125px;object-fit:contain;background:#faf8f1}.thumbnail-fallback{padding:20px 0}
.daily-image-question img{width:380px;height:340px}.answer-gallery{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);min-width:0;max-width:100%}.answer-gallery figure{margin:12px 0;min-width:0}.answer-gallery img{display:block;width:100%;max-height:650px;object-fit:contain}.answer-gallery .is-expanded img{width:var(--review-natural-width,1200px);max-width:none;max-height:none}.answer-gallery figcaption,.answer-gallery details{overflow-wrap:anywhere}.image-view-buttons{display:flex;flex-wrap:wrap;gap:8px}.image-view-buttons [aria-pressed="true"]{background:var(--accent,#7e2d26);color:white}.quiz-grid>*{min-width:0}
.question-prompt{font-family:"Yu Gothic UI",Meiryo,system-ui,sans-serif;margin:18px 0}.question-image-frame.is-expanded{display:block;max-height:72vh;overflow:auto}.question-image-frame.is-expanded img{width:var(--review-natural-width,1000px);max-width:none;max-height:none}.figure-card>.actions,.figure-card>details{margin:12px 20px}