/* Scoped editorial layout; shared header, footer and other pages are unchanged. */
.reading-page{--ink:#123750;--muted:#587082;--line:#d9e5ed;--pale:#f0f6fa;color:#263e4e;font-family:'Home Noto Sans JP','Noto Sans JP',Meiryo,sans-serif;overflow-wrap:break-word}
.reading-wide{width:min(1120px,calc(100% - 64px));margin-inline:auto}.reading-page h1,.reading-page h2,.reading-page h3,.reading-page h4{color:var(--ink);letter-spacing:.01em;font-weight:700}
.reading-hero{padding:24px 0 44px;border-bottom:1px solid var(--line);background:radial-gradient(ellipse at 94% 12%,#dfeef7 0,transparent 57%),linear-gradient(125deg,#f9fcfe,#edf5fa)}.reading-hero .breadcrumbs{margin-bottom:28px}.reading-hero-grid{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:44px}
.reading-page .reading-category{display:flex;align-items:center;gap:14px;font-size:13px;line-height:1.6;color:#326587;font-weight:700;margin:0 0 16px}.reading-category span{padding-left:14px;border-left:1px solid #aec5d5}
.reading-page h1{font-size:40px;line-height:1.5;margin:0 0 18px;letter-spacing:-.035em}.reading-page .reading-deck{font-size:16px;line-height:1.9;margin:0 0 22px;max-width:510px}.reading-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--muted);line-height:1.7}.reading-page .reading-byline{font-size:12px;color:var(--muted);margin:8px 0 0}
.reading-hero-image{margin:0;min-width:0}.reading-hero-image img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:10px;box-shadow:0 10px 30px #274d6810}.reading-page .reading-hero-image figcaption{font-size:10px;line-height:1.6;color:#6b8190;text-align:right;margin-top:7px}
.reading-layout{display:grid;grid-template-columns:minmax(0,780px) 240px;gap:68px;align-items:start;padding-top:44px;padding-bottom:64px}.reading-main{min-width:0;font-size:17px;line-height:2;letter-spacing:.015em}.reading-main p{margin:0 0 22px}.reading-intro{padding-bottom:8px}.reading-body section+section{margin-top:60px}
.reading-page .reading-body h2{font-size:27px;line-height:1.6;display:flex;gap:14px;align-items:baseline;border-bottom:2px solid #b9d1e1;padding:0 0 16px;margin:24px 0;scroll-margin-top:110px}.reading-section-no{font-size:18px;font-weight:500;letter-spacing:.06em;color:#5584a3;flex-shrink:0}.reading-page .reading-body h3{font-size:21px;line-height:1.7;margin:34px 0 16px;scroll-margin-top:110px;padding-left:15px;border-left:3px solid #6b99b6}.reading-page .reading-body h4{font-size:17px;margin:0 0 12px}.reading-body strong{font-weight:700;color:#173b54}
.reading-body mark{color:inherit;background:linear-gradient(transparent 58%,#fff0ae 58%,#fff0ae 93%,transparent 93%);font-weight:700;padding:0 .05em;box-decoration-break:clone;-webkit-box-decoration-break:clone}.reading-page .reading-ref{font-size:12px;vertical-align:super;margin-left:4px;text-decoration:underline;text-underline-offset:3px;white-space:nowrap}
.reading-sidebar{position:sticky;top:104px;font-size:13px;line-height:1.8;border-top:3px solid #517f9e;padding-top:18px}.reading-page .reading-toc-title{font-size:15px;font-weight:700;margin:0 0 12px;color:var(--ink)}.reading-sidebar ol,.reading-toc-mobile ol{list-style:none;padding:0;margin:0}.reading-sidebar li+li{border-top:1px solid #e5edf2}.reading-sidebar li a,.reading-toc-mobile li a{display:flex;gap:12px;padding:12px 0;text-decoration:none;align-items:baseline}.reading-sidebar li a span,.reading-toc-mobile li a span{color:#7795aa;font-size:11px;flex-shrink:0}.reading-sidebar li a:hover,.reading-toc-mobile li a:hover{color:#0b5a8d;text-decoration:underline;text-underline-offset:4px}.reading-back{display:flex;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);text-decoration:none;font-weight:700}.reading-toc-mobile{display:none}
.stock-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0 32px;padding:24px 14px;background:var(--pale);border:1px solid var(--line);border-radius:8px}.stock-flow>div{position:relative;text-align:center;display:flex;align-items:center;flex-direction:column;gap:6px;line-height:1.7}.stock-flow>div+div:before{content:'›';position:absolute;left:-14px;top:49px;color:#7898ac;font-size:26px}.stock-flow .stock-flow-step{font-size:12px;color:var(--muted);letter-spacing:.08em}.stock-flow svg{width:65px;height:50px;color:#477c9e;margin-bottom:4px}.stock-flow strong{font-size:16px;white-space:nowrap}.stock-flow strong span{display:inline-block;white-space:nowrap}.stock-flow small{font-size:11px;color:var(--muted);white-space:nowrap}
.reading-keypoint{padding:22px 26px;border-left:4px solid #4b7b9a;background:#f3f7fa;margin:28px 0}.reading-keypoint>span{font-size:12px;letter-spacing:.06em;font-weight:700;color:#587e99}.reading-keypoint p{font-size:19px;line-height:1.9;margin:8px 0 0}.stock-balance{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:24px 0 28px;gap:0}.stock-balance>div{padding:20px 24px}.stock-balance>div+div{border-left:1px solid var(--line);background:#f5f9fc}.stock-balance ul{padding-left:1.1em;list-style:disc;margin:0;font-size:15px;line-height:1.9}
.reading-body .reading-figure{margin:26px 0 32px}.reading-figure a{display:block;border-radius:6px;overflow:hidden;border:1px solid #dce6ed}.reading-figure img{display:block;width:100%;height:auto}.reading-page figcaption{font-size:12px;line-height:1.75;color:#647a89;margin:9px 0 0}.reading-figure figcaption span{display:block;font-size:11px;color:#718896}
.quantity-figure{margin:28px 0}.quantity-equation{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:10px;text-align:center;padding:24px 18px;border:1px solid var(--line);border-radius:8px;background:#f4f8fb}.quantity-equation div{display:flex;flex-direction:column;gap:4px;line-height:1.7}.quantity-equation span{font-size:12px;color:var(--muted)}.quantity-equation strong{font-size:31px;letter-spacing:0;font-weight:700}.quantity-equation strong small{font-size:12px;font-weight:400;margin-left:3px}.quantity-equation>b{font-size:23px;color:#6488a1;font-weight:400}.quantity-result{background:#e2eff8;border-radius:5px;padding:8px 0}
.reading-example{background:#f5f8fa;border:1px solid var(--line);border-radius:7px;padding:24px;margin:24px 0}.reading-example p:last-child{margin-bottom:0}.reading-example .reading-note{font-size:13px;line-height:1.85;color:#5e7482}.reading-checklist{list-style:none;padding:0;margin:26px 0;border-top:1px solid var(--line)}.reading-checklist li{position:relative;padding:14px 0 14px 28px;border-bottom:1px solid var(--line);font-size:16px}.reading-checklist li:before{content:'✓';position:absolute;left:0;top:15px;color:#4b7e9d;font-size:15px}
.reading-page .reading-references{border-top:1px solid var(--line);margin-top:40px;padding-top:24px;font-size:12px;line-height:1.8}.reading-page .reading-references h2{font-size:16px;margin:0 0 12px}.reading-references ol{padding-left:20px;margin:0}.reading-references li{padding:7px 0;scroll-margin-top:110px}.reading-references li>span{display:block;color:#647988;font-size:11px;margin-top:2px}.reading-references a{text-underline-offset:3px}
.reading-tool{display:grid;grid-template-columns:1fr 1.3fr;gap:26px;align-items:center;padding:28px;background:#edf5fa;border-radius:9px;margin:40px 0}.reading-tool>img{border:1px solid #d6e4ee;box-shadow:0 6px 18px #21456612;border-radius:3px}.reading-page .reading-small-label{font-size:12px;font-weight:700;color:#5c829d;line-height:1.8;letter-spacing:.03em;margin:0 0 7px}.reading-page .reading-tool h2{font-size:22px;line-height:1.6;margin:0 0 12px}.reading-tool p{font-size:14px;line-height:1.85;margin:0 0 18px}.reading-page .reading-button{display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:12px 18px;border-radius:5px;background:#37789f;color:white;text-decoration:none;font-size:13px;line-height:1.7;font-weight:700}.reading-button:hover{background:#285e80}
.reading-author{display:flex;gap:20px;padding-top:28px;border-top:1px solid var(--line);align-items:start}.reading-author>img{width:64px;height:64px;object-fit:cover;border-radius:50%;flex-shrink:0;border:4px solid #eef5f9}.reading-page .reading-author h2{font-size:16px;line-height:1.7;margin:0 0 10px}.reading-author p{font-size:13px;line-height:1.9;margin-bottom:8px}.reading-author a{font-size:12px;text-underline-offset:4px}
.reading-related{background:#f0f6fa;border-top:1px solid var(--line);padding:44px 0 56px}.reading-related-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.reading-page .reading-related h2{font-size:25px;margin:0}.reading-related-heading>a{font-size:13px;font-weight:700;text-decoration:none}.reading-related-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.reading-related-grid>a{display:grid;grid-template-columns:160px 1fr auto;align-items:center;gap:18px;border:1px solid var(--line);border-radius:8px;padding:16px;background:white;text-decoration:none}.reading-related-grid img{border-radius:4px;width:100%;aspect-ratio:16/9;object-fit:cover}.reading-related-grid div>span{font-size:11px;color:#6b8a9f}.reading-page .reading-related h3{font-size:17px;line-height:1.7;margin:4px 0}.reading-related-grid p{font-size:12px;line-height:1.8;margin:0;color:#526c7d}.reading-related-arrow{font-size:16px;color:#7097b2}
@media(max-width:1050px){.reading-layout{grid-template-columns:minmax(0,1fr) 210px;gap:36px}.reading-hero-grid{gap:28px}.reading-page h1{font-size:34px}.reading-related-grid>a{grid-template-columns:120px 1fr;gap:16px}.reading-related-arrow{display:none}}
@media(max-width:800px){.reading-wide{width:calc(100% - 40px);max-width:740px}.reading-layout{display:block;padding-top:30px}.reading-sidebar{display:none}.reading-toc-mobile{display:block;border:1px solid var(--line);border-radius:7px;background:#f4f8fb;padding:15px 20px;margin:18px 0 34px;font-size:14px}.reading-toc-mobile summary{cursor:pointer;font-weight:700;color:var(--ink);line-height:1.8}.reading-toc-mobile summary>span{margin-left:16px;font-size:11px;font-weight:400;color:var(--muted)}.reading-toc-mobile nav{padding-top:12px}.reading-toc-mobile li+li{border-top:1px solid var(--line)}.reading-toc-mobile li a{padding:10px 0}.reading-hero-grid{grid-template-columns:1fr 1fr;gap:24px}.reading-page h1{font-size:30px}.reading-page .reading-deck{font-size:14px}.reading-meta{gap:6px 14px}.reading-related-grid{grid-template-columns:1fr}.reading-related-grid>a{grid-template-columns:160px 1fr auto}.reading-related-arrow{display:block}}
@media(max-width:560px){.reading-wide{width:calc(100% - 36px)}.reading-hero{padding:18px 0 24px}.reading-hero .breadcrumbs{margin-bottom:20px;font-size:11px}.reading-hero-grid{grid-template-columns:minmax(0,1fr);gap:22px}.reading-page .reading-category{font-size:11px;margin-bottom:12px;gap:10px}.reading-category span{padding-left:10px}.reading-page h1{font-size:30px;line-height:1.5;letter-spacing:-.045em;margin-bottom:14px}.reading-page .reading-deck{font-size:14px;line-height:1.85;margin-bottom:16px}.reading-meta{font-size:10px}.reading-page .reading-byline{font-size:10px;margin-top:5px}.reading-hero-image img{aspect-ratio:16/9;object-position:center 55%;border-radius:7px}.reading-page .reading-hero-image figcaption{font-size:9px;margin-top:4px}.reading-layout{padding-top:26px;padding-bottom:40px}.reading-main{font-size:16px;line-height:1.95;letter-spacing:.01em}.reading-main p{margin-bottom:20px}.reading-page .reading-body h2{font-size:23px;line-height:1.65;gap:10px;padding-bottom:13px;margin:20px 0}.reading-section-no{font-size:14px}.reading-body section+section{margin-top:42px}.reading-page .reading-body h3{font-size:19px;line-height:1.7;margin:28px 0 14px;padding-left:12px}.reading-toc-mobile{padding:13px 16px;margin:12px 0 28px}.stock-flow{gap:9px;padding:18px 6px;margin:24px 0}.stock-flow svg{width:45px;height:38px}.stock-flow strong{font-size:12px;letter-spacing:-.03em}.stock-flow small{font-size:10px;white-space:normal}.stock-flow .stock-flow-step{font-size:10px}.stock-flow>div+div:before{left:-9px;top:39px;font-size:19px}.reading-keypoint{padding:16px 18px;margin:24px 0}.reading-keypoint p{font-size:17px;margin:6px 0 0}.stock-balance>div{padding:16px 12px}.reading-page .stock-balance h4{font-size:15px}.stock-balance ul{font-size:12px;line-height:1.9}.reading-body .reading-figure{margin:22px 0 26px}.reading-page figcaption{font-size:11px;line-height:1.8}.quantity-equation{gap:4px;padding:16px 9px}.quantity-equation strong{font-size:23px}.quantity-equation span,.quantity-equation strong small{font-size:10px}.quantity-equation>b{font-size:17px}.reading-example{padding:18px}.reading-page .reading-example h4{font-size:16px;line-height:1.7}.reading-example .reading-note{font-size:12px}.reading-checklist li{font-size:15px}.reading-tool{grid-template-columns:minmax(0,1fr);gap:20px;padding:22px;margin:30px 0}.reading-page .reading-tool h2{font-size:21px}.reading-tool p{font-size:14px}.reading-tool .reading-button{width:100%;font-size:13px}.reading-author{gap:14px;padding-top:24px}.reading-author>img{width:48px;height:48px;border-width:3px}.reading-page .reading-author h2{font-size:14px}.reading-author p{font-size:12px}.reading-related{padding:30px 0 40px}.reading-related-heading{align-items:start;flex-direction:column;gap:12px;margin-bottom:20px}.reading-page .reading-related h2{font-size:23px}.reading-related-grid{gap:14px}.reading-related-grid>a{padding:12px;grid-template-columns:110px 1fr;gap:14px}.reading-page .reading-related h3{font-size:15px}.reading-related-grid p{font-size:11px}.reading-related-arrow{display:none}}
@media(max-width:359px){.reading-page h1{font-size:26px}.stock-flow strong{font-size:12px;white-space:normal}.stock-flow small{font-size:10px}.quantity-equation strong{font-size:20px}.reading-related-grid>a{grid-template-columns:90px 1fr;gap:12px}}
/* Shared article details: original diagrams keep their full frame. */
.reading-hero-image--original img{aspect-ratio:var(--reading-cover-ratio,16/9);height:auto;max-height:330px;object-fit:contain;background:#fff;border:1px solid var(--line)}
.reading-sidebar nav{max-height:calc(100dvh - 225px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;padding-right:8px}
.reading-main .reading-body ul,.reading-main .reading-intro ul{list-style:disc;padding-left:1.4em;margin:20px 0 26px}
.reading-body li{padding-left:.15em;margin:6px 0}.reading-body li::marker{color:#648da8}
.reading-body h4{line-height:1.8!important;margin-top:25px!important}
.reading-body code{font-family:Consolas,'Courier New',monospace;font-size:.9em;background:#edf4f8;border:1px solid #dce8f0;border-radius:4px;padding:.2em .35em;overflow-wrap:anywhere;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.reading-body p>a{color:#276b97;text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}
.reading-body .reading-formula{display:block;padding:8px 12px;margin:10px 0;background:#edf4f8;border-left:3px solid #83a7bf;font-size:.94em;line-height:1.9}
.reading-legacy-anchor{display:block;scroll-margin-top:110px}
.reading-page .reading-body h2,.reading-sidebar a,.reading-toc-mobile a{overflow-wrap:anywhere}
.reading-comparison{border:1px solid var(--line);border-radius:8px;background:#f5f9fc;padding:22px 26px;margin:28px 0 32px}
.reading-page .reading-comparison h4{margin:0 0 14px!important;font-size:18px}.reading-comparison dl{margin:0}.reading-comparison dl>div{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;padding:16px 0;border-top:1px solid var(--line);font-size:15px;line-height:1.9}.reading-comparison dt{font-weight:700;color:var(--ink)}.reading-comparison dd{margin:0}
@media(max-width:560px){.reading-page .reading-category{flex-wrap:wrap;gap:8px 12px}.reading-category span{padding-left:12px}.reading-comparison{padding:18px}.reading-comparison dl>div{display:block;padding:14px 0;font-size:14px}.reading-comparison dd{margin-top:5px}.reading-body code{font-size:.86em}.reading-hero-image--original img{max-height:none}}