#fixed-prototype button.fp-photo-frame{appearance:none;border:0;padding:0;background:transparent;color:inherit;cursor:zoom-in;font:inherit;overflow:hidden}#fixed-prototype button.fp-photo-frame:focus-visible{outline:3px solid var(--fp-accent);outline-offset:4px}.fp-image-viewer{box-sizing:border-box;width:min(1100px,calc(100% - 24px));max-width:calc(100% - 24px);max-height:calc(100dvh - 24px);padding:12px;background:#fff;color:var(--fp-dark,#26392e);border:1px solid var(--fp-border,#d3ddcf);border-radius:12px;overflow:auto;overscroll-behavior:contain;touch-action:pan-x pan-y pinch-zoom}.fp-image-viewer::backdrop{background:rgb(0 0 0 / .78)}.fp-image-viewer header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 10px}.fp-image-viewer button{min-width:44px;min-height:44px;padding:8px 14px;border:1px solid var(--fp-accent,#284932);border-radius:8px;background:var(--fp-panel,#eef3ef);color:var(--fp-accent,#284932);font:700 15px/1.4 sans-serif}.fp-image-viewer img{display:block;width:auto;height:auto;max-width:100%;max-height:74dvh;object-fit:contain;margin:auto;touch-action:pan-x pan-y pinch-zoom}.fp-image-viewer p{font-size:13px;line-height:1.6;margin:10px 0 0}.fp-image-viewer button:focus-visible{outline:3px solid var(--fp-accent,#284932);outline-offset:3px}
.fp-image-viewer .fp-viewer-stage{width:100%;max-height:74dvh;overflow:auto;overscroll-behavior:contain;touch-action:pan-x pan-y pinch-zoom}.fp-image-viewer header{flex-wrap:wrap}.fp-image-viewer header strong{margin-right:auto}


.fp-shell .fp-reading-cards{display:flex;gap:16px;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x proximity;padding:0 0 12px;max-width:100%;min-width:0;scrollbar-width:thin}.fp-shell .fp-reading-card{box-sizing:border-box;flex:0 0 calc((100% - 48px)/4);scroll-snap-align:start}.fp-shell .fp-reading-card-image img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain}.fp-shell .fp-reading-card-main:focus-visible{outline:3px solid var(--fp-accent);outline-offset:-3px;border-radius:8px}
.fp-sidebar-card .fp-sidebar-image{display:flex;aspect-ratio:4/3;padding:10px;align-items:center;justify-content:center;background:white}.fp-sidebar-card .fp-sidebar-image img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain}.fp-sidebar-card h3{font-size:15px;padding:10px 12px 6px;color:var(--fp-accent)}.fp-sidebar-card .fp-card-facts{padding:0 12px 12px;font-size:12px;line-height:1.65}.fp-sidebar-card .fp-card-facts p{margin:2px 0}.fp-sidebar-card .fp-money{color:var(--fp-price);font-weight:800}.fp-purchase-heading{margin:0 0 12px!important;text-align:center;font-size:14px!important;color:var(--fp-accent);font-weight:700}.fp-shell #fixed-prototype nav a{border-bottom-width:4px!important}
@media(max-width:1000px){.fp-shell .fp-reading-card{flex-basis:calc((100% - 16px)/2)}}@media(max-width:600px){.fp-shell .fp-reading-card{flex-basis:82%}.fp-shell .fp-reading-cards{gap:12px}.fp-shell .fp-reading-card-image{aspect-ratio:1/1}}.fp-shell .related-reading h2::after{content:'↔ 横にスライドできます';display:block;margin-top:6px;color:var(--fp-secondary);font-size:12px;font-weight:500}.fp-shell .fp-reading-cards{scrollbar-color:var(--fp-accent) var(--fp-panel)}@media(max-width:767px){.fp-layout>.fp-sidebar{display:none!important}.fp-shell .fp-reading-card{flex-basis:82%}}
/* Approved mobile gutter refinement 20261028; PC untouched. */
@media(max-width:767px){.fp-layout{box-sizing:border-box!important;width:calc(100% - 16px)!important;max-width:none!important;margin-left:8px!important;margin-right:8px!important;grid-template-columns:minmax(0,1fr)!important;column-gap:0!important}.fp-layout>.fp-shell{box-sizing:border-box!important;width:100%!important;min-width:0!important;padding-left:10px!important;padding-right:10px!important}.fp-shell #fixed-prototype .fp-title-box,.fp-shell #fixed-prototype .fp-info-box,.fp-shell #fixed-prototype .fp-purchase,.fp-shell .related-reading{padding-left:10px!important;padding-right:10px!important}}