/* New copy needs its own JP glyph subset; the accepted title font stays intact. */
@font-face{font-family:GalleryNoto;src:url('fonts/NotoSansJP-gallery.woff2') format('woff2');font-weight:100 900;font-display:swap}
.site-header nav{font-family:GalleryNoto,Noto,"Yu Gothic",sans-serif;align-items:center}
.site-header nav a{align-items:center;line-height:1.5}
.concept h2{font-family:GalleryNoto,Noto,"Yu Gothic",sans-serif}
.dev-gallery{--dev-bg:var(--paper);--dev-line:#cdd4cc;--dev-muted:#52676c;--dev-text:var(--ink);--dev-accent:#347a7a;background:var(--dev-bg);color:var(--dev-text);margin:0;padding:38px var(--side) 96px;font-family:GalleryNoto,Noto,"Yu Gothic",sans-serif;border-top:1px solid var(--ink)}
.dev-inner{max-width:1440px;margin:auto}
.dev-gallery .section-index{color:var(--dev-muted);align-items:center}
.dev-gallery .section-index span:last-child{color:var(--dev-muted)}
.dev-intro{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:end;margin:64px 0 40px}
.dev-intro h2{font-size:clamp(30px,4vw,60px);font-weight:500;letter-spacing:.02em;line-height:1.25;margin:0}
.dev-intro p{font-size:14px;line-height:2;max-width:480px;margin:0;color:var(--dev-muted)}
.dev-gallery figure{margin:0;min-width:0}
.dev-gallery img{display:block;width:100%;height:auto}
.dev-image-link{display:block;position:relative;outline-offset:5px;border:1px solid var(--dev-line)}
.dev-image-link::after{content:'拡大 ↗';position:absolute;bottom:14px;right:14px;background:#0b1c24ed;color:#e8efec;font-size:10px;letter-spacing:.02em;padding:8px 12px;opacity:0;transition:opacity .15s;pointer-events:none}
.dev-image-link:hover::after,.dev-image-link:focus-visible::after{opacity:1}
.dev-gallery a:focus-visible,.dev-gallery summary:focus-visible{outline:2px solid var(--dev-accent);outline-offset:5px}
.dev-gallery figcaption{font-size:11px;line-height:1.8;color:var(--dev-muted);margin-top:12px}
.dev-hero figcaption{display:flex;justify-content:space-between;gap:24px;margin:17px 0 0}
.dev-hero figcaption strong{font-size:15px;font-weight:500;color:var(--dev-text);flex-shrink:0}
.dev-hero figcaption span{max-width:540px}
.dev-scope{border-left:3px solid var(--ink);padding:2px 0 2px 20px;margin:0 0 32px;max-width:900px;color:var(--dev-text)}
.dev-scope strong{font-size:15px;font-weight:600;line-height:1.8}
.dev-scope p{font-size:13px;line-height:2;margin:8px 0 0}
.dev-media-kind{font-size:10px;line-height:1.7;font-weight:600;color:var(--dev-text);margin:0 0 8px;letter-spacing:.04em}
.dev-chapter-nav{display:flex;flex-wrap:wrap;gap:16px 38px;padding:28px 0;margin-top:32px;border-top:1px solid var(--dev-line);border-bottom:1px solid var(--dev-line)}
.dev-chapter-nav a{font-size:12px;line-height:1.8;padding:6px 0;display:flex;gap:12px}
.dev-chapter-nav span{font-family:Arial,sans-serif;font-size:10px;color:var(--dev-accent)}
.dev-section{margin-top:100px;scroll-margin-top:30px}
.dev-kicker{font:10px/1.5 Arial,sans-serif;letter-spacing:.12em;color:var(--dev-accent);margin:0 0 15px}
.dev-gallery h3{font-weight:500;font-size:clamp(23px,2.45vw,36px);line-height:1.6;letter-spacing:.01em;margin:0}
.dev-current{display:grid;grid-template-columns:1fr 1.3fr;gap:56px}
.dev-current-copy>p:not(.dev-kicker){font-size:13px;line-height:2;max-width:420px;margin:20px 0 0;color:var(--dev-muted)}
.dev-build-date{font:10px/1.5 Arial,sans-serif;letter-spacing:.05em;margin-top:15px;color:var(--dev-muted)}
.dev-status-list{margin:32px 0 0;padding:0;list-style:none;border-top:1px solid var(--dev-line)}
.dev-status-list li{padding:21px 0;border-bottom:1px solid var(--dev-line);display:grid;grid-template-columns:120px minmax(0,1fr);gap:24px}
.dev-status{font-size:10px;color:var(--dev-accent);padding-top:3px;white-space:nowrap}
.dev-status-list h4{font-weight:500;font-size:14px;line-height:1.8;margin:0}
.dev-status-list p{color:var(--dev-muted);font-size:12px;line-height:1.9;margin:5px 0 0}
.dev-small-note{color:var(--dev-muted);font-size:11px;line-height:1.9;margin:16px 0 0}
.dev-stories{margin-top:108px}
.dev-story{border-top:1px solid var(--dev-line);padding-top:32px;margin-top:90px;scroll-margin-top:28px}
.dev-story:first-child{margin-top:0}
.dev-story-head{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin:0 0 32px}
.dev-story-copy{font-size:13px;line-height:2.1;color:var(--dev-muted);margin:28px 0 0;max-width:570px}
.dev-story:nth-child(even) .dev-story-head{grid-template-columns:1fr 1fr}
.dev-story .dev-image-link{max-width:1160px}
.dev-story:nth-child(even) figure{max-width:1160px;margin-left:auto}
.dev-comparison-head{margin-bottom:30px}
.dev-comparison-head>p:not(.dev-kicker){font-size:13px;line-height:2;color:var(--dev-muted);margin:15px 0 0}
.dev-pair{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.dev-pair-label{font-size:11px;margin:0 0 12px;color:var(--dev-text);letter-spacing:.04em}
.dev-timeline-header{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px}
.dev-timeline-header>p{font-size:11px;color:var(--dev-muted);margin:0;line-height:1.9}
.dev-timeline{list-style:none;margin:0;padding:0;border-top:1px solid var(--dev-line)}
.dev-timeline li{display:grid;grid-template-columns:90px 1fr 140px;gap:32px;border-bottom:1px solid var(--dev-line);padding:25px 0;align-items:start}
.dev-timeline time{font:11px/1.9 Arial,sans-serif;color:var(--dev-accent)}
.dev-timeline h4{font-size:14px;font-weight:500;line-height:1.8;margin:0 0 7px}
.dev-timeline p{font-size:12px;line-height:1.9;color:var(--dev-muted);margin:0}
.dev-timeline .dev-image-link{align-self:center}
.dev-detail{margin-top:28px;border-bottom:1px solid var(--dev-line);padding-bottom:20px}
.dev-detail summary{font-size:12px;cursor:pointer;padding:12px 0;min-height:44px;color:var(--dev-text)}
.dev-detail p{font-size:12px;line-height:2;color:var(--dev-muted);max-width:800px}
.dev-next-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:32px}
.dev-next-item{border-top:1px solid var(--dev-line);padding-top:22px}
.dev-next-state{font-size:10px;color:var(--dev-accent);margin:0 0 12px}
.dev-next-item h4{font-size:16px;font-weight:500;line-height:1.8;margin:0}
.dev-next-item>p:last-child{font-size:12px;line-height:2;color:var(--dev-muted);margin:12px 0 0}
.dev-back{display:flex;justify-content:space-between;border-top:1px solid var(--dev-line);margin-top:76px;padding-top:24px;font-size:11px;color:var(--dev-muted);gap:20px}
.dev-back a{padding:6px 0}
.dev-gallery + .contact{border-top:0;margin-top:46px}
@media(hover:none){.dev-image-link::after{opacity:1;font-size:9px;bottom:8px;right:8px;padding:6px 9px}}
@media(max-width:800px){
 .dev-gallery{padding-top:30px;padding-bottom:60px}.dev-intro{display:block;margin:42px 0 28px}.dev-intro h2{font-size:36px}.dev-intro p{font-size:13px;margin-top:20px;max-width:580px}
 .dev-hero figcaption{display:block;margin-top:16px}.dev-hero figcaption strong{display:block;font-size:15px;margin-bottom:8px}.dev-hero figcaption span{display:block}.dev-scope{padding-left:14px;margin-bottom:26px}.dev-scope strong{font-size:14px}.dev-scope p{font-size:12px}.dev-media-kind{font-size:9px}
 .dev-chapter-nav{gap:8px 25px;margin-top:24px;padding:20px 0}.dev-chapter-nav a{font-size:11px;gap:10px;min-height:40px;align-items:center}
 .dev-section{margin-top:66px}.dev-current{grid-template-columns:1fr;gap:26px}.dev-current-copy>p:not(.dev-kicker){max-width:580px;font-size:13px;margin-top:16px}
 .dev-status-list{margin-top:28px}.dev-status-list li{grid-template-columns:90px minmax(0,1fr);gap:16px}.dev-status-list h4{font-size:13px}.dev-status-list p{font-size:12px}
 .dev-stories{margin-top:72px}.dev-story{margin-top:64px;padding-top:24px}.dev-story-head,.dev-story:nth-child(even) .dev-story-head{grid-template-columns:1fr;gap:0;margin-bottom:24px}.dev-story-copy{font-size:13px;line-height:2.1;margin-top:17px;max-width:none}
 .dev-gallery h3{font-size:25px}.dev-kicker{font-size:9px;margin-bottom:10px}.dev-gallery figcaption{font-size:10px}
 .dev-pair{gap:16px}.dev-pair-label{font-size:10px;line-height:1.7;letter-spacing:0}.dev-timeline-header{display:block}.dev-timeline-header>p{margin-top:14px}
 .dev-timeline li{grid-template-columns:70px 1fr 90px;gap:15px}.dev-timeline h4{font-size:13px}.dev-timeline p{font-size:11px}.dev-next-grid{grid-template-columns:1fr;gap:25px}.dev-next-item{display:grid;grid-template-columns:70px 1fr;gap:0 15px}.dev-next-state{grid-row:1/3;padding-top:4px}.dev-next-item h4{font-size:15px}.dev-next-item>p:last-child{grid-column:2;margin-top:8px}
 .dev-back{margin-top:48px;font-size:10px}.dev-gallery + .contact{margin-top:15px}
}
@media(max-width:480px){
 .dev-gallery h3{font-size:23px}.dev-intro h2{font-size:32px}.dev-pair{grid-template-columns:1fr;gap:26px}.dev-chapter-nav{display:grid;grid-template-columns:1fr 1fr;gap:3px 18px}.dev-status-list li{grid-template-columns:1fr;gap:6px;padding:18px 0}.dev-status{font-size:10px;padding:0}.dev-timeline li{grid-template-columns:1fr 86px;gap:5px 16px;padding:22px 0}.dev-timeline time{grid-column:1}.dev-timeline .dev-timeline-text{grid-column:1}.dev-timeline .dev-image-link{grid-column:2;grid-row:1/3}.dev-small-note{font-size:10px}.dev-next-item{grid-template-columns:60px 1fr;gap:0 12px}.dev-back{align-items:center}
}
@media(prefers-reduced-motion:reduce){.dev-gallery *{scroll-behavior:auto!important;transition:none!important}}
.dev-media-page{margin:0;background:#f8f6ef;color:#0b3541;font-family:GalleryNoto,sans-serif;padding:clamp(20px,4vw,56px);box-sizing:border-box}
.dev-media-page main{max-width:1440px;margin:auto}.dev-media-page a{color:inherit;font-size:13px;text-underline-offset:4px}.dev-media-page h1{font-size:clamp(22px,3vw,32px);line-height:1.6;margin:30px 0 12px}.dev-media-disclosure{font-size:14px;line-height:2;max-width:900px}.dev-media-page figure{margin:26px 0 0}.dev-media-page img{width:100%;height:auto;display:block}.dev-media-page figcaption{font-size:12px;line-height:1.8;margin-top:14px}
/* Dedicated development page: dense enough to browse, images remain legible. */
.dev-page .dev-intro{margin:46px 0 30px}
.dev-page .dev-intro h1{font-size:clamp(28px,3vw,44px);font-weight:500;line-height:1.5;letter-spacing:.01em;margin:0}
.dev-page .dev-chapter-nav{margin-top:28px;padding:20px 0}
.dev-page .dev-section{margin-top:58px}
.dev-page .dev-current{grid-template-columns:1.2fr 1fr;gap:40px}
.dev-page .dev-current figure{max-width:480px;margin-left:auto}
.dev-page .dev-stories{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:55px 32px;margin-top:65px}
.dev-page .dev-story{margin:0;padding-top:24px}
.dev-page .dev-story-head,.dev-page .dev-story:nth-child(even) .dev-story-head{display:block;margin-bottom:22px}
.dev-page .dev-story h3{font-size:25px}
.dev-page .dev-story-copy{margin-top:15px;font-size:12px;line-height:2;max-width:none}
.dev-page .dev-gallery{padding-bottom:60px}
.dev-page .dev-back{margin-top:48px}
@media(max-width:800px){
 .dev-page .dev-intro{margin:32px 0 24px}.dev-page .dev-intro h1{font-size:29px}.dev-page .dev-current{grid-template-columns:1fr;gap:22px}.dev-page .dev-current figure{max-width:none;margin:0}.dev-page .dev-section{margin-top:44px}.dev-page .dev-stories{grid-template-columns:1fr;gap:42px;margin-top:48px}.dev-page .dev-story h3{font-size:23px}.dev-page .dev-story-copy{font-size:13px}.dev-page .dev-gallery{padding-bottom:40px}
}