/* Original editorial diagrams, scoped to the five reviewed study guides. */
.fg-article{--fg-navy:#173847;--fg-green:#315f50;--fg-line:#c7d5cd;--fg-wash:#f1f5f1;--fg-gold:#79581c}
.fg-article .prose p{overflow-wrap:anywhere}
.fg-article .prose>h2{margin-top:56px}
.fg-scope{margin:24px 0 32px;border:1px solid var(--fg-line);border-radius:10px;background:#f8faf7}
.fg-scope summary{padding:16px 20px;cursor:pointer}
.fg-scope summary h2{display:inline;font:600 16px/1.6 sans-serif;border:0;margin:0;padding:0}
.fg-scope>ul{margin:0 20px 20px 40px}
.fg-article :is(.fg-flow,.fg-compare){margin:24px 0 32px;padding:24px;background:var(--fg-wash);border:1px solid var(--fg-line);border-radius:14px}
.fg-article :is(.fg-flow,.fg-compare) figcaption{font-size:19px;line-height:1.65;font-weight:700;color:var(--fg-navy);margin-bottom:20px;text-align:left}
.fg-flow ol{list-style:none!important;margin:0!important;padding:0!important;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;counter-reset:fg-step}
.fg-flow li{margin:0!important;padding:0;position:relative;counter-increment:fg-step;min-width:0}
.fg-flow li:before{content:counter(fg-step,decimal-leading-zero);display:flex;width:34px;height:34px;align-items:center;justify-content:center;background:var(--fg-navy);color:white;border-radius:50%;font:bold 14px/1 sans-serif;margin-bottom:12px}
.fg-flow li:not(:last-child):after{content:'→';position:absolute;right:-16px;top:1px;color:var(--fg-green);font-size:20px}
.fg-flow strong{display:block;font-size:17px;line-height:1.7;margin-bottom:6px}
.fg-flow li>span{display:block;font-size:15px;line-height:1.8;color:#415b52}
.fg-article :is(.fg-flow,.fg-compare)>p{font-size:15px;line-height:1.8;margin:20px 0 0;padding-top:14px;border-top:1px solid var(--fg-line)}
.fg-kinoshita-five .five-path{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;background:transparent;border:0;padding:0;margin:26px 0;counter-reset:five}
.fg-kinoshita-five .five-path>strong{counter-increment:five;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;background:var(--fg-navy);color:#fff;border-radius:8px;font-size:15px;line-height:1.5;padding:14px 4px;text-align:center}
.fg-kinoshita-five .five-path>strong:before{content:counter(five,decimal-leading-zero);font:500 13px/1 sans-serif;color:#e4d5b4}
.fg-kinoshita-five .five-path>span[aria-hidden]{display:none}
.fg-article :is(.fg-step,.fg-grade,.fg-topic){margin:24px 0;padding:4px 22px 12px;border-left:4px solid var(--fg-green);background:linear-gradient(100deg,#f5f7f1,#fffefa 75%);border-radius:0 10px 10px 0}
.fg-article :is(.fg-step,.fg-grade,.fg-topic)>h3{margin:20px 0 16px;color:var(--fg-navy)}
.fg-article :is(.fg-step,.fg-grade,.fg-topic)>:last-child{margin-bottom:12px}
.fg-grade h3:before{content:'学年別の目安';display:block;font:600 12px/1.6 sans-serif;letter-spacing:.12em;color:var(--fg-green);margin-bottom:8px}
.fg-topic h3:before{content:'覚え方のポイント';display:block;font:600 12px/1.6 sans-serif;color:var(--fg-green);margin-bottom:8px}
.fg-check-card{background:#f5f7f1;padding:16px 20px;border-radius:0 10px 10px 0;margin:20px 0}
.fg-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.fg-pair section{padding:18px;background:#fffefa;border:1px solid var(--fg-line);border-radius:8px}
.fg-pair h3{font-size:21px;margin:0 0 14px}
.fg-pair p{font-size:17px;margin:0 0 12px}
.fg-pair .fg-note{font-size:15px;border-top:1px solid var(--fg-line);padding-top:12px;margin-bottom:0}
.fg-four-methods{padding:18px 22px;border-left:4px solid var(--fg-green);background:var(--fg-wash);line-height:2.1!important}
.fg-condition-list,.fg-type-list{list-style:none!important;padding:0!important;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0!important}
.fg-condition-list li,.fg-type-list li{margin:0!important;padding:12px 15px;background:var(--fg-wash);border:1px solid var(--fg-line);border-radius:8px;font-size:17px;line-height:1.7}
.fg-type-list{counter-reset:types}
.fg-type-list li{counter-increment:types}
.fg-type-list li:before{content:counter(types,decimal-leading-zero);font:600 13px/1 sans-serif;margin-right:10px;color:var(--fg-green)}
.fg-priority-list{border-left:4px solid var(--fg-gold);background:#fbf6e9;padding:16px 20px 16px 42px!important}
.fg-check-list{list-style:none!important;padding:0!important}
.fg-check-list li{padding:14px 14px 14px 42px;border-bottom:1px solid var(--fg-line);position:relative;margin:0!important}
.fg-check-list li:before{content:'✓';position:absolute;left:12px;color:var(--fg-green);font-weight:bold}
.fg-article :focus-visible{outline:3px solid #79581c;outline-offset:4px}
@media(max-width:560px){
 .fg-article :is(.fg-flow,.fg-compare){padding:20px 16px;margin:22px 0 28px}
 .fg-flow ol{grid-template-columns:1fr;gap:24px}
 .fg-flow li{padding-left:46px;min-height:54px}
 .fg-flow li:before{position:absolute;left:0;top:0;width:30px;height:30px}
 .fg-flow li:not(:last-child):after{content:'↓';left:9px;right:auto;top:auto;bottom:-25px;font-size:18px}
 .fg-flow strong{font-size:17px;margin-bottom:4px}
 .fg-kinoshita-five .five-path{gap:5px}
 .fg-kinoshita-five .five-path>strong{font-size:13px;padding:12px 2px}
 .fg-article :is(.fg-step,.fg-grade,.fg-topic){padding:2px 14px 10px}
 .fg-pair{grid-template-columns:1fr}
 .fg-pair section{padding:16px}
 .fg-condition-list,.fg-type-list{gap:8px}
 .fg-condition-list li,.fg-type-list li{padding:10px;font-size:16px}
 .fg-type-list{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){.fg-article *{scroll-behavior:auto!important}}
/* These are conditional return paths, not sequential instructions. */
.fg-return ol{grid-template-columns:1fr;gap:0}
.fg-return li{display:grid;grid-template-columns:minmax(0,1fr) 24px minmax(0,1fr);align-items:center;gap:10px;padding:16px 0!important;border-top:1px solid var(--fg-line);min-height:0}
.fg-return li:first-child{border-top:0;padding-top:0!important}
.fg-return li:before{display:none}
.fg-return li:not(:last-child):after{display:none}
.fg-return li>strong{margin:0;grid-column:1;font-size:16px}
.fg-return li>span{grid-column:3;font-size:16px}
.fg-return li>strong:after{content:'→';position:absolute;left:calc(50% - 9px);color:var(--fg-green)}
@media(max-width:360px){.fg-return li>strong,.fg-return li>span{font-size:15px}}