/* Technical articles, v50. Uses the same .shell width as the rest of the site. */
.gr-reading-page .gr-reading-article{width:100%;max-width:none;margin:0;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;color:#24272b;font-size:18px;line-height:1.95;overflow-wrap:anywhere}
.gr-reading-page .gr-heading{max-width:none;margin-bottom:32px}
.gr-reading-page .page-description{max-width:none;line-height:1.8}
.gr-reading-page .gr-reading-article h2{color:#24272b!important;font-size:clamp(22px,2.1vw,28px);line-height:1.5;letter-spacing:.01em;margin:0 0 24px;font-weight:750}
.gr-reading-page .gr-reading-article h3{color:#24272b!important;font-size:20px;line-height:1.65;margin:28px 0 12px}
.gr-reading-page .gr-reading-section{margin:0;padding:36px 0 28px;border-top:1px solid #d3d6d8;scroll-margin-top:120px}
.gr-reading-page .gr-reading-section>h2{padding-left:16px;border-left:4px solid #ad2438}
.gr-reading-page .gr-reading-article p{margin:0 0 20px}
.gr-reading-page .gr-reading-article p:last-child{margin-bottom:0}
.gr-reading-page .gr-reading-block{margin:0 0 24px}
.gr-reading-page .gr-reading-block:last-child{margin-bottom:0}
.gr-reading-page .gr-reading-article .gr-layout,.gr-reading-page .gr-reading-article .gr-cell{width:auto;max-width:none;min-width:0;padding:0;border:0;background:transparent}
.gr-reading-page .gr-reading-article .gr-row{display:grid;gap:24px;margin:0 0 16px}
.gr-reading-page .gr-reading-article .gr-cols-1{grid-template-columns:minmax(0,1fr)}
.gr-reading-page .gr-reading-article .gr-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.gr-reading-page .gr-reading-article .gr-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.gr-reading-page .gr-reading-article a:not(.gr-reading-image){color:#285985;text-underline-offset:4px}
.gr-reading-page .gr-reading-article a:not(.gr-reading-image):hover{color:#98263a}
.gr-reading-page .gr-reading-article a:focus-visible,.gr-reading-page .gr-reading-article summary:focus-visible{outline:3px solid #ad2438;outline-offset:5px}
.gr-reading-page .gr-reading-contents{padding:0 0 30px;margin:0;max-width:none;border:0;background:transparent}
.gr-reading-page .gr-reading-kicker{font-weight:750;font-size:16px;margin-bottom:12px!important}
.gr-reading-page .gr-reading-contents ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 24px;padding:0;margin:0;list-style:none}
.gr-reading-page .gr-reading-contents a{display:block;padding:6px 0;font-size:16px;line-height:1.55}
.gr-reading-page .gr-reading-hint{font-size:14px;color:#596168;margin-top:20px!important}
.gr-reading-page .gr-reading-article ol,.gr-reading-page .gr-reading-article ul{padding-left:1.55em;margin-top:16px;margin-bottom:22px}
.gr-reading-page .gr-reading-article li{margin:5px 0}
.gr-reading-page .gr-reading-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:24px 0;align-items:start}
.gr-reading-page .gr-reading-columns-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.gr-reading-page .gr-reading-figure{min-width:0;padding:20px;background:#fff}
.gr-reading-page .gr-reading-figure .gr-cell{font-size:16px;line-height:1.8;text-align:center}
.gr-reading-page .gr-reading-image{display:block;width:fit-content;max-width:100%;margin:18px auto 22px;cursor:zoom-in;text-decoration:none;color:#596168}
.gr-reading-page .gr-reading-image::after{content:"画像を拡大 ＋";display:block;margin-top:8px;text-align:center;font-size:12px;line-height:1.6;color:#596168}
.gr-reading-page .gr-reading-article img{display:block;max-width:100%;height:auto;object-fit:contain;margin-inline:auto;background:#fff}
.gr-reading-page .gr-reading-gallery>.gr-reading-image{align-self:start}
.gr-reading-page .gr-reading-article .gr-reading-caption{font-size:14px;color:#596168;line-height:1.75}
.gr-reading-page .gr-reading-formula{margin:24px 0;padding:24px;background:#fff;border-left:4px solid #ad2438;line-height:1.8;overflow-wrap:anywhere}
.gr-reading-page .gr-reading-formula p{font-size:15px;margin-top:12px}
.gr-reading-page .gr-reading-spec{display:grid;grid-template-columns:minmax(120px,210px) 1fr;gap:0;margin:20px 0;background:#fff;font-size:17px}
.gr-reading-page .gr-reading-spec dt,.gr-reading-page .gr-reading-spec dd{margin:0;padding:14px 18px;border-bottom:1px solid #e2e3e4}
.gr-reading-page .gr-reading-spec dt{font-weight:700}
.gr-reading-page .gr-reading-sources{margin:24px 0 36px;font-size:14px;color:#596168}
.gr-reading-page .gr-reading-sources summary{cursor:pointer;padding:12px 0;font-weight:700}
.gr-reading-page .gr-reading-related,.gr-reading-page .gr-reading-products{margin-top:32px;padding-top:32px;border-top:1px solid #d3d6d8}
.gr-reading-page .gr-reading-related ul{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px 20px;margin:0;padding:0}
.gr-reading-page .gr-reading-related a{display:block;min-height:44px;padding:10px 0;font-size:16px;line-height:1.55}
.gr-reading-page .gr-reading-products>a{display:inline-block;margin:0 24px 8px 0;padding:8px 0;font-size:16px}
.gr-reading-page .gr-end-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
body[data-gr-reading] .gr-image-dialog{padding:24px;max-width:min(1100px,94vw);max-height:92vh;border:0;border-radius:10px;background:#fff;color:#24272b;overflow:auto}
body[data-gr-reading] .gr-image-dialog::backdrop{background:rgb(0 0 0 / .72)}
body[data-gr-reading] .gr-image-dialog img{display:block;max-width:100%;height:auto;margin:20px auto}
body[data-gr-reading] .gr-zoom-close{display:block;margin-left:auto;padding:8px 14px;cursor:pointer;color:#24272b;background:#fff;border:1px solid #bdc3c6}
body[data-gr-reading] .gr-zoom-caption{color:#384047;line-height:1.7}
body[data-gr-reading] .gr-zoom-original{color:#285985}
@media(max-width:800px){.gr-reading-page .gr-reading-contents ul,.gr-reading-page .gr-reading-related ul{grid-template-columns:repeat(2,minmax(0,1fr))}.gr-reading-page .gr-reading-article{font-size:17px}.gr-reading-page .gr-reading-gallery{gap:14px}.gr-reading-page .gr-reading-figure{padding:14px}}
@media(max-width:560px){.gr-reading-page .gr-reading-article{font-size:16px;line-height:1.95}.gr-reading-page .gr-heading{margin-bottom:24px}.gr-reading-page .gr-reading-section{padding:28px 0 20px}.gr-reading-page .gr-reading-article h2{font-size:22px;margin-bottom:20px}.gr-reading-page .gr-reading-article h3{font-size:18px}.gr-reading-page .gr-reading-contents ul,.gr-reading-page .gr-reading-related ul{grid-template-columns:1fr;gap:0}.gr-reading-page .gr-reading-gallery,.gr-reading-page .gr-reading-columns-3,.gr-reading-page .gr-reading-article .gr-cols-2,.gr-reading-page .gr-reading-article .gr-cols-3{grid-template-columns:1fr}.gr-reading-page .gr-reading-figure{padding:16px}.gr-reading-page .gr-reading-contents a{padding:8px 0}.gr-reading-page .gr-reading-spec{grid-template-columns:1fr;font-size:16px}.gr-reading-page .gr-reading-spec dt{padding:12px 16px 0;border:0}.gr-reading-page .gr-reading-spec dd{padding:4px 16px 12px}.gr-reading-page .gr-reading-formula{padding:18px}.gr-reading-page .gr-end-actions>a{width:100%}}
@media print{.gr-reading-page .gr-reading-contents,.gr-reading-page .gr-reading-related,.gr-reading-page .gr-reading-products,.gr-reading-page .gr-end-actions{display:none}.gr-reading-page .gr-reading-section{break-inside:auto}.gr-reading-page .gr-reading-section h2{break-after:avoid}.gr-reading-page .gr-reading-image::after{display:none}.gr-reading-page .gr-reading-gallery{break-inside:avoid}}

.gr-reading-page .gr-reading-article .gr-reading-contents ul{padding:0;margin:0;list-style:none}

/* v51: page-width content, concise summaries, purposeful navigation. */
.gr-reading-page .gr-reading-summary{margin:0 0 24px;padding:0 0 24px;border-bottom:1px solid #d3d6d8}
.gr-reading-page .gr-reading-summary h2{font-size:18px;margin:0 0 16px!important}
.gr-reading-page .gr-reading-summary ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px 32px;list-style:none;margin:0;padding:0;counter-reset:takeaway}
.gr-reading-page .gr-reading-summary li{margin:0;counter-increment:takeaway;position:relative;padding-left:34px;font-size:16px;line-height:1.8}
.gr-reading-page .gr-reading-summary li::before{content:counter(takeaway,decimal-leading-zero);position:absolute;left:0;top:1px;color:#98263a;font-size:14px;font-weight:750}
.gr-reading-page .gr-reading-summary strong,.gr-reading-page .gr-reading-summary li>span{display:block}
.gr-reading-page .gr-reading-summary strong{margin-bottom:3px}
.gr-reading-page .gr-reading-toc{margin:0 0 16px;padding:0;border:0;border-bottom:1px solid #d3d6d8;scroll-margin-top:120px}
.gr-reading-page .gr-reading-toc>summary{cursor:pointer;padding:13px 0;font-size:17px;font-weight:700;min-height:48px}
.gr-reading-page .gr-toc-count{margin-left:16px;font-size:14px;font-weight:400;color:#596168}
.gr-reading-page .gr-reading-toc .gr-reading-contents{padding:8px 0 20px}
.gr-reading-page .gr-reading-hint{margin:0 0 24px!important}
.gr-reading-page .gr-reading-section>h2{max-width:none;text-wrap:pretty}
.gr-reading-page .gr-reading-section h3[id]{scroll-margin-top:120px}
.gr-reading-page .gr-reading-split{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:32px;align-items:center;margin-bottom:28px}
.gr-reading-page .gr-split-media,.gr-reading-page .gr-split-text{min-width:0}
.gr-reading-page .gr-split-media .gr-reading-block,.gr-reading-page .gr-split-text .gr-reading-block{margin:0}
.gr-reading-page .gr-split-media .gr-reading-gallery{margin:0;gap:12px}
.gr-reading-page .gr-split-media .gr-reading-figure{padding:10px}
.gr-reading-page .gr-split-text p{margin-bottom:16px}
.gr-reading-page .gr-image-explainer{display:block;font-size:15px;line-height:1.75;color:#384047;max-width:44em;margin:10px auto 18px;text-align:left}
.gr-reading-page .gr-photo-focus{font-size:16px!important;line-height:1.85;padding:0 0 0 16px;border-left:3px solid #ad2438;margin-bottom:24px!important}
.gr-reading-page .gr-photo-focus strong{display:block;font-size:14px;color:#98263a;margin-bottom:4px}
.gr-reading-page .gr-condition-label{font-weight:700;font-size:15px;line-height:1.6;margin:0 0 12px!important;padding-bottom:8px;border-bottom:2px solid #596168}
.gr-reading-page .gr-condition-worn{color:#98263a;border-color:#ad2438}
.gr-reading-page a.gr-back-contents{display:block;width:fit-content;margin:24px 0 0 auto;padding:10px 0;font-size:14px;min-height:44px}
.gr-reading-page .gr-reading-products{padding-top:28px;margin-top:32px}
.gr-reading-page .gr-reading-products>p{font-size:16px;color:#384047}
.gr-reading-page .gr-product-actions{display:flex;flex-wrap:wrap;gap:12px}
.gr-reading-page .gr-reading-article a.gr-product-action{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:52px;margin:0;padding:14px 20px;border:1px solid #adb4b9;border-radius:4px;background:#fff;color:#24272b;text-decoration:none;font-size:16px;font-weight:650;line-height:1.6}
.gr-reading-page .gr-reading-article a.gr-product-primary{background:#98263a;color:#fff;border-color:#98263a}
.gr-reading-page .gr-reading-article a.gr-product-action:hover{background:#e9ebec;color:#24272b}
.gr-reading-page .gr-reading-article a.gr-product-primary:hover{background:#7d1d2e;color:#fff}
.gr-reading-page .gr-reading-related .gr-next-articles{gap:16px 28px}
.gr-reading-page .gr-next-articles li{margin:0;min-width:0;border-bottom:1px solid #d3d6d8}
.gr-reading-page .gr-next-articles a{height:100%;position:relative;padding:12px 24px 20px 0;text-decoration:none!important}
.gr-reading-page .gr-next-number{display:block;font-size:13px;color:#98263a;margin-bottom:6px}
.gr-reading-page .gr-next-articles strong{display:block;font-size:18px;line-height:1.6;color:#24272b;margin-bottom:6px}
.gr-reading-page .gr-next-reason{display:block;font-size:14px;line-height:1.8;color:#596168}
.gr-reading-page .gr-next-arrow{position:absolute;right:0;bottom:20px;color:#98263a}
.gr-reading-page .gr-more-articles{margin-top:24px}
.gr-reading-page .gr-more-articles summary{padding:12px 0;min-height:44px;cursor:pointer;font-size:16px}
.gr-reading-page .gr-more-articles ul{padding-top:10px}
@media(max-width:900px){
 .gr-reading-page .gr-reading-split{grid-template-columns:minmax(0,1fr);gap:16px;align-items:start}
 .gr-reading-page .gr-reading-summary ol{grid-template-columns:minmax(0,1fr);gap:12px}
 .gr-reading-page .gr-reading-summary li{font-size:16px}
 .gr-reading-page .gr-reading-summary strong{display:inline;margin-right:.7em}
 .gr-reading-page .gr-reading-summary li>span{display:inline}
 .gr-reading-page .gr-split-media .gr-reading-figure{padding:16px}
}
@media(max-width:560px){
 .gr-reading-page .gr-reading-summary{padding-bottom:20px;margin-bottom:8px}
 .gr-reading-page .gr-reading-summary h2{font-size:17px}
 .gr-reading-page .gr-reading-summary li{font-size:15px;line-height:1.85;padding-left:30px}
 .gr-reading-page .gr-reading-toc .gr-reading-contents ul{grid-template-columns:minmax(0,1fr)}
 .gr-reading-page .gr-product-actions{display:grid;grid-template-columns:minmax(0,1fr)}
 .gr-reading-page .gr-reading-article a.gr-product-action{font-size:16px;width:100%;padding:14px 16px}
 .gr-reading-page .gr-reading-related .gr-next-articles{grid-template-columns:minmax(0,1fr);gap:8px}
 .gr-reading-page .gr-next-articles a{padding-top:12px;padding-bottom:18px}
 .gr-reading-page .gr-next-articles strong{font-size:17px}
 .gr-reading-page .gr-reading-split{margin-bottom:22px}
 .gr-reading-page .gr-photo-focus{font-size:15px!important;padding-left:12px}
}
@media(prefers-reduced-motion:reduce){.gr-reading-page{scroll-behavior:auto}}
@media print{
 .gr-reading-page .gr-back-contents,.gr-reading-page .gr-reading-toc{display:none}
 .gr-reading-page .gr-reading-split{display:block}
 .gr-reading-page .gr-reading-gallery,.gr-reading-page .gr-reading-figure{break-inside:avoid}
}

/* Button colors take precedence over inherited article/detail link rules. */
body[data-gr-reading] main.gr-reading-page .gr-reading-article a.gr-product-action{
  color:#24272b!important;background:#fff!important;border-color:#adb4b9!important;
}
body[data-gr-reading] main.gr-reading-page .gr-reading-article a.gr-product-action:hover{
  color:#24272b!important;background:#e9ebec!important;
}
body[data-gr-reading] main.gr-reading-page .gr-reading-article a.gr-product-action.gr-product-primary,
body[data-gr-reading] main.gr-reading-page .gr-reading-article a.gr-product-action.gr-product-primary:visited,
body[data-gr-reading] main.gr-reading-page .gr-reading-article a.gr-product-action.gr-product-primary:focus{
  color:#fff!important;background:#98263a!important;border-color:#98263a!important;
}
body[data-gr-reading] main.gr-reading-page .gr-reading-article a.gr-product-action.gr-product-primary:hover,
body[data-gr-reading] main.gr-reading-page .gr-reading-article a.gr-product-action.gr-product-primary:active{
  color:#fff!important;background:#7d1d2e!important;border-color:#7d1d2e!important;
}
body[data-gr-reading] main.gr-reading-page .gr-reading-article a.gr-product-action span{
  color:inherit!important;
}