/* About: SteelNova-inspired editorial composition in the shared SIBO palette. */
body.sibo-about-page .sibo-about-main{background:var(--sibo-surface);color:var(--sibo-text);font-size:var(--sibo-text-body);line-height:1.8}
.sibo-about-main *,.sibo-about-main *::before,.sibo-about-main *::after{box-sizing:border-box}
.sibo-about-main :is(h1,h2,h3,p,figure,blockquote){margin:0}
.sibo-about-main :is(h1,h2,h3){font-family:inherit;font-weight:600;letter-spacing:-.045em;color:inherit;line-height:1.12;text-wrap:balance}
body.sibo-about-page .sibo-about-main h2{font-size:clamp(34px,3.6vw,58px);white-space:pre-line}
.sibo-about-main a{color:inherit;text-decoration:none}
.sibo-about-main a:hover{color:var(--sibo-accent)}
.sibo-about-main img{display:block;width:100%;height:100%;object-fit:cover}
.sibo-about-main .sibo-kicker{margin-bottom:20px}
.sibo-about-main :is(a,button,summary):focus-visible{outline:2px solid var(--sibo-accent);outline-offset:5px}
.sibo-about-section{padding-block:112px}
.sibo-about-hero{position:relative;isolation:isolate;overflow:hidden;background:var(--sibo-dark)}
.sibo-about-hero-media,.sibo-about-hero::after{position:absolute;inset:0;z-index:-1}
.sibo-about-hero-media img{object-position:center 46%}
.sibo-about-hero::after{content:'';background:linear-gradient(90deg,rgba(8,16,19,.91),rgba(8,16,19,.72) 42%,rgba(8,16,19,.16)),linear-gradient(0deg,rgba(8,16,19,.35),transparent 70%)}
.sibo-about-hero-inner{min-height:560px;padding-block:55px 76px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.sibo-about-breadcrumb{display:flex;gap:14px;align-items:center;font-size:var(--sibo-text-small);color:#d0d8db;margin-bottom:32px}
.sibo-about-breadcrumb [aria-current]{color:var(--sibo-accent)}
body.sibo-about-page .sibo-about-hero h1{font-size:clamp(48px,5.2vw,84px);max-width:18ch;white-space:pre-line;line-height:1.06;margin-bottom:24px}
.sibo-about-hero-description{max-width:52ch;font-size:var(--sibo-text-reading);color:#e0e6e6}
.sibo-about-overview-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.04fr);gap:clamp(45px,6vw,110px);align-items:center}
.sibo-about-overview-copy{min-width:0}
.sibo-about-company-name{font-size:var(--sibo-text-reading);font-weight:600;line-height:1.5;margin-top:28px!important;margin-bottom:16px!important}
.sibo-about-profile{color:var(--sibo-text-muted);font-size:var(--sibo-text-body);line-height:1.85;overflow-wrap:break-word}
.sibo-about-profile p+p{margin-top:18px}
.sibo-about-overview-copy .sibo-button{margin-top:30px}
.sibo-about-collage{position:relative;min-width:0;min-height:530px;padding:0 0 64px 12%;isolation:isolate}
.sibo-about-collage::before{content:'';position:absolute;inset:48px 24px 40px 0;z-index:-1;border:1px solid var(--sibo-line);border-radius:12px}
.sibo-about-collage-main{height:440px;border-radius:12px;overflow:hidden}
.sibo-about-collage-detail{position:absolute;width:51%;height:225px;left:0;bottom:0;border:8px solid var(--sibo-surface);border-radius:12px;overflow:hidden}
.sibo-about-collage-note{position:absolute;right:0;bottom:3px;width:44%;white-space:pre-line;font-size:clamp(17px,1.65vw,25px);font-weight:600;line-height:1.4;letter-spacing:-.02em}
.sibo-about-mark{display:block;color:var(--sibo-accent);font-size:36px;line-height:1;margin-bottom:10px}
.sibo-about-features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:44px;margin-top:72px;border-top:1px solid var(--sibo-line);padding-top:36px}
.sibo-about-feature{display:flex;gap:22px;min-width:0}
.sibo-about-index{color:var(--sibo-accent);font-size:var(--sibo-text-small);font-weight:500;letter-spacing:.06em;flex-shrink:0;line-height:1.7}
body.sibo-about-page .sibo-about-feature h3{font-size:23px;line-height:1.3;letter-spacing:-.025em;margin-bottom:12px}
.sibo-about-feature p{color:var(--sibo-text-muted);font-size:var(--sibo-text-control);line-height:1.8}
.sibo-about-workshop{background:var(--sibo-surface-raised)}
.sibo-about-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:50px;margin-bottom:42px}
.sibo-about-section-head>div{max-width:56%}
.sibo-about-section-head>p{max-width:47ch;color:var(--sibo-text-muted);font-size:var(--sibo-text-body);line-height:1.85}
.sibo-about-gallery{display:grid;gap:20px}
.sibo-about-gallery-item{min-width:0;min-height:0;border-radius:10px;overflow:hidden;background:var(--sibo-surface)}
.sibo-about-photo{display:block;position:relative;height:100%;overflow:hidden}
.sibo-about-photo img{transition:scale .55s cubic-bezier(.22,1,.36,1)}
.sibo-about-photo:hover img{scale:1.035}
.sibo-about-workshop-gallery{grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:210px}
.sibo-about-workshop-gallery:has(>:nth-child(4))>:first-child{grid-column:span 2;grid-row:span 2}
.sibo-about-workshop-gallery>:nth-child(n+6){grid-column:span 2}
.sibo-about-quality-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1fr);gap:clamp(40px,6vw,110px);align-items:start}
/* Keep the image size independent of the adjacent accordion height. */
.sibo-about-quality-photo{position:relative;align-self:start;min-width:0;width:100%;aspect-ratio:1.08;min-height:500px;border-radius:12px;overflow:hidden}
.sibo-about-quality-photo img{position:absolute;inset:0;object-position:38% center}
.sibo-about-quality-copy h2{margin-bottom:24px!important}
.sibo-about-commitment{border-top:1px solid var(--sibo-line);margin-top:22px}
.sibo-about-commitment:last-child{border-bottom:1px solid var(--sibo-line);margin-top:0}
.sibo-about-commitment summary{display:flex;align-items:center;justify-content:space-between;gap:20px;list-style:none;cursor:pointer;font-weight:600;font-size:var(--sibo-text-reading);line-height:1.5;padding:22px 0}
.sibo-about-commitment summary::-webkit-details-marker{display:none}
.sibo-about-commitment summary>span{position:relative;flex:0 0 26px;height:26px;border:1px solid var(--sibo-line);border-radius:50%;color:var(--sibo-accent)}
.sibo-about-commitment summary>span::before,.sibo-about-commitment summary>span::after{content:'';position:absolute;top:11px;left:7px;width:10px;height:1px;background:currentColor}
.sibo-about-commitment summary>span::after{transform:rotate(90deg)}
.sibo-about-commitment[open] summary>span::after{display:none}
.sibo-about-commitment p{color:var(--sibo-text-muted);padding-bottom:22px;font-size:var(--sibo-text-control);line-height:1.85}
.sibo-about-culture{background:var(--sibo-surface-raised)}
.sibo-about-culture-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,5vw,96px);align-items:stretch}
/* Inset only the culture photo; preserve the desktop row and copy height. */
.sibo-about-culture-visual{position:relative;min-height:520px;margin-block:40px;isolation:isolate}
.sibo-about-culture-visual>img{position:absolute;inset:0}
.sibo-about-culture-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,19,20,.94),transparent 75%);z-index:1}
.sibo-about-culture-visual blockquote{position:absolute;z-index:2;bottom:48px;left:42px;right:42px;padding-left:25px;border-left:3px solid var(--sibo-accent);font-style:normal;white-space:pre-line;font-size:clamp(25px,2.8vw,40px);font-weight:500;line-height:1.3;letter-spacing:-.03em}
.sibo-about-culture-copy{padding-block:70px;min-width:0}
.sibo-about-culture-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 35px;margin-top:40px}
.sibo-about-culture-cards article{border-top:1px solid var(--sibo-line);padding-top:22px}

/* Value icons replace only the four culture ordinals; no external icon dependencies. */
body.sibo-about-page .sibo-about-culture-cards .sibo-about-culture-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--sibo-accent, #21c4b8);
    vertical-align: top;
}
body.sibo-about-page .sibo-about-culture-icon svg {
    display: block;
    width: 100%;
    height: 100%;
    overflow: visible;
}
@media (max-width: 600px) {
    body.sibo-about-page .sibo-about-culture-cards .sibo-about-culture-icon {
        width: 30px;
        height: 30px;
    }
}

body.sibo-about-page .sibo-about-culture-cards h3{font-size:25px;line-height:1.3;letter-spacing:-.025em;margin:10px 0}
.sibo-about-culture-cards p{font-size:var(--sibo-text-control);line-height:1.8;color:var(--sibo-text-muted)}
.sibo-about-exhibition-gallery{grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-rows:320px}
.sibo-about-exhibition-gallery>*{grid-column:span 5}
.sibo-about-exhibition-gallery>:nth-child(4n+1),.sibo-about-exhibition-gallery>:nth-child(4n+4){grid-column:span 7}
.sibo-about-cta{position:relative;isolation:isolate;background:#10252a;overflow:hidden}
.sibo-about-cta-media,.sibo-about-cta::after{position:absolute;inset:0;z-index:-1}
.sibo-about-cta::after{content:'';background:linear-gradient(90deg,rgba(6,21,24,.97),rgba(6,21,24,.86) 55%,rgba(6,21,24,.55))}
.sibo-about-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:60px;padding-block:90px}
.sibo-about-cta-inner>div{max-width:760px}
.sibo-about-cta-inner h2{margin-bottom:22px!important}
.sibo-about-cta-inner>div>p:last-child{max-width:54ch;color:#c9d5d6}
.sibo-about-cta-inner>.sibo-button{flex-shrink:0}
.sibo-about-lightbox{position:fixed;inset:0;width:min(1300px,96vw);max-width:96vw;max-height:94dvh;padding:68px 65px 24px;border:1px solid var(--sibo-line);border-radius:12px;color:var(--sibo-text);background:var(--sibo-surface);overflow:auto}
.sibo-about-lightbox::backdrop{background:#050a0ded;backdrop-filter:blur(6px)}
.sibo-about-lightbox:not([open]){display:none}
.sibo-about-lightbox>img{width:auto;max-width:100%;height:auto;max-height:calc(94dvh - 110px);object-fit:contain;margin-inline:auto}
.sibo-about-lightbox-toolbar{position:absolute;top:12px;left:24px;right:12px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.sibo-about-lightbox-toolbar p{font-size:var(--sibo-text-small);line-height:1.5}
.sibo-about-lightbox button{display:grid;place-items:center;border:1px solid var(--sibo-line);border-radius:50%;width:44px;height:44px;min-height:44px;padding:0;background:var(--sibo-surface-raised);color:var(--sibo-text);font-size:25px;cursor:pointer}
.sibo-about-lightbox button:hover{background:var(--sibo-accent);color:#071b1a}
.sibo-about-lightbox-prev,.sibo-about-lightbox-next{position:absolute;top:50%;transform:translateY(-50%)}
.sibo-about-lightbox-prev{left:10px}.sibo-about-lightbox-next{right:10px}
@media(min-width:1600px){.sibo-about-main .sibo-container{max-width:1500px}.sibo-about-hero-inner{min-height:610px}.sibo-about-workshop-gallery{grid-auto-rows:240px}.sibo-about-exhibition-gallery{grid-auto-rows:370px}}
@media(max-width:1100px){.sibo-about-section{padding-block:84px}.sibo-about-overview-grid,.sibo-about-quality-grid{gap:40px}.sibo-about-collage{min-height:470px}.sibo-about-collage-main{height:390px}.sibo-about-collage-detail{height:185px}.sibo-about-features{gap:26px}.sibo-about-feature{gap:14px}.sibo-about-workshop-gallery{grid-auto-rows:180px}.sibo-about-culture-grid{gap:35px}.sibo-about-culture-copy{padding-block:55px}.sibo-about-culture-visual blockquote{left:28px;right:24px;bottom:36px}.sibo-about-culture-cards{gap:22px}.sibo-about-exhibition-gallery{grid-auto-rows:270px}}
@media(max-width:800px){.sibo-about-hero-inner{min-height:490px;padding-block:45px 60px}.sibo-about-section{padding-block:70px}.sibo-about-overview-grid,.sibo-about-quality-grid{grid-template-columns:1fr;gap:42px}.sibo-about-overview-copy{max-width:72ch}.sibo-about-collage{min-height:520px;max-width:660px;width:100%;margin-inline:auto}.sibo-about-collage-main{height:440px}.sibo-about-collage-detail{height:220px}.sibo-about-collage-note{font-size:24px}.sibo-about-features{grid-template-columns:1fr;margin-top:55px;gap:26px}.sibo-about-feature{gap:22px}.sibo-about-section-head{align-items:flex-start;flex-direction:column;gap:24px;margin-bottom:32px}.sibo-about-section-head>div{max-width:none}.sibo-about-section-head>p{max-width:65ch}.sibo-about-gallery{gap:14px}.sibo-about-workshop-gallery{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:200px}.sibo-about-workshop-gallery:has(>:nth-child(4))>:first-child{grid-row:span 1}.sibo-about-workshop-gallery>:nth-child(n+6){grid-column:span 1}.sibo-about-quality-photo{min-height:0;height:360px}.sibo-about-culture-grid{grid-template-columns:1fr;gap:0}/* Text leads on stacked screens; keep the photo gap and section breathing room. */.sibo-about-culture-visual{min-height:400px;margin-block:32px 60px}.sibo-about-culture-copy{padding-block:50px 0}.sibo-about-culture-visual blockquote{font-size:32px;max-width:20ch}.sibo-about-exhibition-gallery{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:230px}.sibo-about-exhibition-gallery>:nth-child(n){grid-column:span 1}.sibo-about-cta-inner{flex-direction:column;align-items:flex-start;gap:32px;padding-block:65px}}
@media(max-width:480px){body.sibo-about-page .sibo-about-hero h1{font-size:clamp(33px,10.5vw,44px)}.sibo-about-hero-inner{min-height:470px}.sibo-about-hero-description{font-size:17px}.sibo-about-breadcrumb{margin-bottom:28px}.sibo-about-main .sibo-kicker{margin-bottom:16px}.sibo-about-section{padding-block:58px}.sibo-about-company-name{font-size:18px;margin-top:24px!important}.sibo-about-collage{min-height:370px;padding-left:10%;padding-bottom:62px}.sibo-about-collage-main{height:300px}.sibo-about-collage-detail{height:155px;border-width:5px}.sibo-about-collage-note{font-size:19px;width:43%}.sibo-about-mark{font-size:28px}.sibo-about-features{margin-top:44px;padding-top:28px}.sibo-about-workshop-gallery{grid-auto-rows:155px}.sibo-about-workshop-gallery>:first-child{height:210px;align-self:end}.sibo-about-workshop-gallery{grid-template-rows:210px}.sibo-about-quality-photo{height:270px}.sibo-about-commitment summary{font-size:17px}.sibo-about-culture-visual{min-height:340px}.sibo-about-culture-visual blockquote{font-size:28px;left:24px;bottom:28px;padding-left:18px}.sibo-about-culture-cards{gap:26px 20px;margin-top:30px}.sibo-about-culture-cards p{font-size:15px}body.sibo-about-page .sibo-about-culture-cards h3{font-size:23px}.sibo-about-exhibition-gallery{grid-template-columns:1fr;grid-auto-rows:230px}.sibo-about-lightbox{padding:68px 12px 66px}.sibo-about-lightbox>img{max-height:calc(94dvh - 150px)}.sibo-about-lightbox-prev,.sibo-about-lightbox-next{top:auto;bottom:10px;transform:none}.sibo-about-lightbox-prev{left:calc(50% - 54px)}.sibo-about-lightbox-next{right:calc(50% - 54px)}}
@media(prefers-reduced-motion:reduce){.sibo-about-main *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* About cover: keep the brand sign in frame and crop out the two right-hand
   starburst lamps. Do not darken/edit the shared photo or other page covers. */
body.sibo-site.sibo-about-page .sibo-page-hero .sibo-page-hero-image {
    object-position: left 46%;
}
@media (min-width: 1101px) {
    body.sibo-site.sibo-about-page .sibo-page-hero .sibo-page-hero-image {
        width: 128%;
        height: 128%;
        object-position: left top;
    }
}
@media (max-width: 640px) {
    body.sibo-site.sibo-about-page .sibo-page-hero .sibo-page-hero-image {
        object-position: 18% 46%;
    }
}

/* Exhibition carousel: real image links and native swiping, including without JS. */
body.sibo-about-page .sibo-about-exhibition-carousel { min-width: 0; }
body.sibo-about-page #sibo-exhibition-track {
    --sibo-exhibition-columns: 3;
    --sibo-exhibition-gap: 20px;
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: calc((100% - 2 * var(--sibo-exhibition-gap)) / 3);
    grid-auto-rows: auto;
    align-items: start;
    gap: var(--sibo-exhibition-gap);
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--sibo-accent) transparent;
    -webkit-overflow-scrolling: touch;
}
body.sibo-about-page #sibo-exhibition-track > .sibo-about-gallery-item {
    grid-column: auto;
    grid-row: auto;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    margin: 0;
    scroll-snap-align: start;
}
body.sibo-about-page #sibo-exhibition-track .sibo-about-photo { width: 100%; height: 100%; }
/* Keep the complete image at rest; subtle zoom is limited to precise hover devices. */
body.sibo-about-page #sibo-exhibition-track .sibo-about-photo img {
    object-fit: contain;
    object-position: center;
    scale: 1;
    transform: none;
    transition: scale .45s cubic-bezier(.22, 1, .36, 1);
}
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
    body.sibo-about-page #sibo-exhibition-track .sibo-about-photo:hover img {
        scale: 1.035;
    }
}

body.sibo-about-page #sibo-exhibition-track .sibo-about-photo:focus-visible { outline-offset: -4px; }
/* One animation owns scrolling; native snap must not fight the loop rebase. */
body.sibo-about-page .sibo-exhibitions-ready #sibo-exhibition-track {
    scrollbar-width: none;
    scroll-snap-type: none;
    scroll-behavior: auto;
    overflow-anchor: none;
}
body.sibo-about-page .sibo-exhibitions-ready #sibo-exhibition-track::-webkit-scrollbar { display: none; }
body.sibo-about-page #sibo-exhibition-track:focus-visible {
    outline: 2px solid var(--sibo-accent);
    outline-offset: 5px;
}
body.sibo-about-page .sibo-exhibition-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px 16px;
    margin-top: 22px;
}
body.sibo-about-page .sibo-exhibition-toolbar[hidden] { display: none; }
body.sibo-about-page :is(.sibo-exhibition-pagination, .sibo-exhibition-navigation) {
    display: flex;
    align-items: center;
}
body.sibo-about-page .sibo-exhibition-navigation { gap: 10px; }
body.sibo-about-page button.sibo-exhibition-dot {
    display: grid;
    place-items: center;
    width: 32px;
    height: 44px;
    min-height: 44px;
    padding: 0;
    border: 0;
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
}
body.sibo-about-page .sibo-exhibition-dot::after {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 99px;
    background: rgb(255 255 255 / 32%);
    transition: width .2s ease, background-color .2s ease;
}
body.sibo-about-page .sibo-exhibition-dot[aria-current="true"]::after {
    width: 22px;
    background: var(--sibo-accent);
}
body.sibo-about-page .sibo-exhibition-dot:focus-visible {
    outline: 2px solid var(--sibo-accent);
    outline-offset: 1px;
}
@media (min-width: 641px) and (max-width: 1000px) {
    body.sibo-about-page #sibo-exhibition-track {
        --sibo-exhibition-columns: 2;
        grid-auto-columns: calc((100% - var(--sibo-exhibition-gap)) / 2);
    }
}
@media (max-width: 640px) {
    body.sibo-about-page #sibo-exhibition-track {
        --sibo-exhibition-columns: 1;
        --sibo-exhibition-gap: 14px;
        grid-auto-columns: 100%;
    }
    body.sibo-about-page .sibo-exhibition-toolbar { margin-top: 16px; }
}
@media (prefers-reduced-motion: reduce) {
    body.sibo-about-page .sibo-exhibition-dot::after { transition: none; }
}

/* Phone/tablet exhibition carousel: center the dots-only navigation. */
@media (max-width: 1100px) {
    body.sibo-about-page .sibo-exhibition-toolbar { justify-content: center; }
    body.sibo-about-page .sibo-exhibition-navigation { display: none; }
}

/* About-only: contact invitation and partner carousel share one background and section. */
body.sibo-about-page .sibo-about-cta-with-partners .sibo-about-cta-inner {
    padding-bottom: 48px;
}
body.sibo-about-page .sibo-about-cta > .sibo-partner-carousel {
    background: transparent;
    padding-block: 0 56px;
}
body.sibo-about-page .sibo-about-cta > .sibo-partner-carousel > .sibo-container::before {
    content: '';
    display: block;
    height: 1px;
    margin-bottom: 24px;
    background: rgb(255 255 255 / 16%);
}
@media (max-width: 800px) {
    body.sibo-about-page .sibo-about-cta-with-partners .sibo-about-cta-inner {
        padding-bottom: 32px;
    }
    body.sibo-about-page .sibo-about-cta > .sibo-partner-carousel {
        padding-bottom: 40px;
    }
}