/* 実績・事例: responsive layout on fluid.css. Figma 15:112 is the visual reference. */
.cs-hero-lead{font:400 var(--fs-h2s)/1.5 "Noto Serif JP",serif;color:var(--navy)}

.cs-map{background:#fff}
.cs-map-inner{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:clamp(24px,3.5vw,48px);max-width:1040px;margin-inline:auto}
.cs-map-figure{flex:1 1 320px;max-width:640px;margin:0}
.cs-map-img{display:block;width:100%;height:auto}
.cs-map-figure figcaption{margin-top:12px;max-width:48em;font:400 var(--fs-xs)/1.6 "Noto Sans JP",sans-serif;color:var(--muted)}
.cs-map-title{flex:1 1 260px;max-width:360px;font:700 var(--fs-h2s)/1.55 "Noto Sans JP",sans-serif;color:var(--navy)}

.cs-list-inner{display:grid;gap:clamp(20px,2.4vw,28px)}

/* Filter row: radio inputs are visually hidden; labels act as the pill buttons.
   Filtering itself is done in CSS via :has() below (no JS). */
.cs-filter{display:flex;flex-wrap:wrap;gap:8px}
.cs-filter input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.cs-filter label{display:inline-flex;align-items:center;min-height:40px;padding:0 20px;border:1px solid var(--border);border-radius:999px;background:#fff;font:700 var(--fs-xs)/1 "Noto Sans JP",sans-serif;color:var(--navy);cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.cs-filter input:checked+label{background:var(--navy);color:#fff;border-color:var(--navy)}
.cs-filter input:focus-visible+label{outline:2px solid var(--terracotta);outline-offset:2px}
@media(hover:hover){.cs-filter input:not(:checked)+label:hover{border-color:var(--navy)}}
/* 絞り込みは「講演・研修」「メディア」「導入事例」の3つ。
   出す順に id が振られるので、番号で対応させる。 */
.cs-list-inner:has(#cs-f-0:checked) .cs-cards .cs-card:not([data-kind="講演・研修"]){display:none}
.cs-list-inner:has(#cs-f-1:checked) .cs-cards .cs-card:not([data-kind="メディア"]){display:none}
.cs-list-inner:has(#cs-f-2:checked) .cs-cards .cs-card:not([data-kind="導入事例"]){display:none}

.cs-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,2.2vw,32px)}
.cs-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:6px;overflow:hidden}

/* Eligible cards (登壇/研修, not upcoming): the whole card is a link to /cases/<slug>.
   The <a> takes over the flex layout the plain .cs-card used to carry directly. */
.cs-card-link{display:flex;flex-direction:column;flex:1;min-width:0;color:inherit;text-decoration:none}
.cs-card-link:focus-visible{outline:2px solid var(--terracotta);outline-offset:-2px}
.cs-more{display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:2px;font:700 13px/1.6 "Noto Sans JP",sans-serif;color:var(--navy)}
.cs-more>span{display:inline-block;transition:transform .25s cubic-bezier(.2,.7,.2,1)}
@media(hover:hover){.cs-card-link:hover .cs-more>span{transform:translateX(5px)}}
.cs-card-link:focus-visible .cs-more>span{transform:translateX(5px)}

.cs-card-photo{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--band)}
.cs-card-photo>img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
/* Photo zoom on hover/focus, page-scoped (site/interactions.css only wires up its own
   hard-coded selector list, which .cs-card-link is not part of). */
@media(hover:hover){.cs-card-link:hover .cs-card-photo>img{transform:scale(1.05)}}
.cs-card-link:focus-visible .cs-card-photo>img{transform:scale(1.05)}
@media(prefers-reduced-motion:reduce){
 .cs-card-photo>img,.cs-more>span{transition-duration:.01ms!important}
 .cs-card-link:is(:hover,:focus-visible) .cs-card-photo>img{transform:none}
}
.cs-illust{position:absolute;left:8px;bottom:8px;padding:2px 10px;border-radius:999px;background:rgba(3,40,76,.85);color:#fff;font:700 13px/1.6 "Noto Sans JP",sans-serif}
.cs-card-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:20px;background:linear-gradient(135deg,#eef4f9,#dfe8f1);color:var(--navy)}
.cs-placeholder-kind{font:700 13px/1.5 "Noto Sans JP",sans-serif;letter-spacing:.08em;color:var(--terracotta)}
.cs-placeholder-event{font:400 14px/1.6 "Noto Sans JP",sans-serif;max-width:22em}

.cs-card-body{display:flex;flex-direction:column;gap:8px;padding:clamp(14px,1.6vw,20px)}
.cs-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font:400 13px/1.6 "Noto Sans JP",sans-serif;color:var(--muted)}
.cs-meta time{color:var(--navy)}
.cs-kind,.cs-badge-upcoming{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font:700 13px/1.6 "Noto Sans JP",sans-serif;white-space:nowrap}
.cs-kind{background:var(--band);color:var(--navy)}
.cs-badge-upcoming{background:var(--terracotta);color:#fff}
.cs-card-body h3{font:700 16px/1.6 "Noto Sans JP",sans-serif;color:var(--navy)}
.cs-event{font:400 14px/1.6 "Noto Sans JP",sans-serif;color:var(--muted)}
.cs-with{font:400 14px/1.6 "Noto Sans JP",sans-serif;color:var(--navy)}
.cs-excerpt{font:400 14px/1.8 "Noto Sans JP",sans-serif;color:var(--ink);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

.cs-details summary{display:inline-flex;align-items:center;gap:6px;list-style:none;cursor:pointer;font:700 13px/1.6 "Noto Sans JP",sans-serif;color:var(--navy)}
.cs-details summary::-webkit-details-marker{display:none}
.cs-details summary:focus-visible{outline:2px solid var(--terracotta);outline-offset:2px}
.cs-details summary:after{content:"";display:inline-block;width:6px;height:6px;margin-top:-3px;border-right:1.5px solid var(--navy);border-bottom:1.5px solid var(--navy);transform:rotate(45deg);transition:transform .2s}
.cs-details[open] summary:after{transform:rotate(-135deg);margin-top:2px}
.cs-details-body{display:flex;flex-direction:column;gap:10px;margin-top:10px}
.cs-details-body p{font:400 15px/1.9 "Noto Sans JP",sans-serif;color:var(--ink)}
.cs-related-link{display:inline-flex;align-items:center;gap:6px;font:700 13px/1.6 "Noto Sans JP",sans-serif;color:var(--navy);text-decoration:underline;text-underline-offset:4px;width:fit-content}

/* 事例詳細 (/cases/<slug>). Reuses the shared .f-section/.f-band/.f-stack/.f-body/.f-link/.f-button
   tokens from fluid.css and the .cs-kind/.cs-illust/.cs-placeholder-* pieces above. */
.csd-head{padding-top:clamp(24px,2.6vw,36px);padding-bottom:clamp(20px,2.4vw,32px)}
.csd-head .pg-breadcrumb{flex-wrap:wrap;row-gap:4px;margin-bottom:clamp(24px,2.8vw,32px)}
.csd-head-inner{max-width:44em;gap:10px;margin:0 auto clamp(24px,2.6vw,32px)}
.csd-meta{display:flex;align-items:center;gap:12px}
.csd-date{font:400 14px/1.6 "Noto Sans JP",sans-serif;color:var(--muted)}
.csd-title{font:400 clamp(28px,1.2rem + 1vw,38px)/1.5 "Noto Serif JP",serif;color:var(--navy)}
.csd-event{font:400 16px/1.8 "Noto Sans JP",sans-serif;color:var(--muted)}
.csd-with{font:400 15px/1.8 "Noto Sans JP",sans-serif;color:var(--navy)}

/* 素材の解像度が高くないので大きくしすぎない。この大きさなら 1440x900 の画面で本文の1行目まで入る。 */
.csd-photo-frame{position:relative;width:100%;max-width:620px;margin:clamp(20px,2.2vw,28px) auto 0}
/* 縦長の素材でも同じ高さに収める。本文の1行目を画面内に入れるため。 */
.csd-photo{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:6px}
.csd-photo-placeholder{aspect-ratio:16/9;border-radius:6px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:32px;background:linear-gradient(135deg,#03284c,#0f6f68);color:#fff}

.csd-body-sec{background:var(--band);padding-top:clamp(28px,3vw,44px)}
/* 本文は写真と同じ軸で中央に。文章量が事例ごとに大きく違うので、
   幅を決め打ちにせず、読みやすい一行の長さで固定する。 */
.csd-body{display:flex;flex-direction:column;gap:1.5em;max-width:40em;margin-inline:auto}
.csd-body p{font:400 16px/1.9 "Noto Serif JP",serif;color:var(--ink)}
.csd-related-link{align-self:flex-start}

.csd-foot .l-container{display:flex;flex-direction:column;gap:clamp(28px,3vw,40px)}
.csd-service{display:flex;flex-direction:column;gap:14px;box-sizing:border-box;max-width:40em;margin:clamp(32px,3.6vw,48px) auto 0;padding:clamp(20px,2.2vw,28px);border:1px solid var(--border);border-radius:6px;background:#fff}
.csd-service-title{font:400 clamp(17px,.75rem + .6vw,20px)/1.5 "Noto Serif JP",serif;color:var(--navy)}
.csd-service-links{display:flex;flex-wrap:wrap;gap:14px 28px}

.csd-pagenav{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.csd-pagenav-link{display:flex;flex-direction:column;gap:6px;box-sizing:border-box;padding:16px 18px;border:1px solid var(--border);border-radius:6px;color:inherit;text-decoration:none;transition:border-color .2s}
.csd-pagenav-next{align-items:flex-end;text-align:right}
.csd-pagenav-label{font:700 13px/1.6 "Noto Sans JP",sans-serif;color:var(--muted)}
.csd-pagenav-title{font:700 15px/1.6 "Noto Sans JP",sans-serif;color:var(--navy)}
.csd-pagenav-empty{border-color:transparent}
@media(hover:hover){.csd-pagenav-link:not(.csd-pagenav-empty):hover{border-color:var(--navy)}}
.csd-pagenav-link:focus-visible{outline:2px solid var(--terracotta);outline-offset:2px}

.csd-notfound-body{max-width:36em;margin-top:clamp(20px,2.4vw,28px)}

@media(max-width:1023px){

 .cs-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:767px){
 .cs-map-inner{flex-direction:column;gap:20px}
 .cs-map-figure,.cs-map-title{flex-basis:auto;max-width:none;width:100%}
 .cs-map-title{order:-1}
 .cs-map-figure figcaption{white-space:normal}
 .cs-cards{grid-template-columns:1fr;gap:16px}
 .csd-title{font-size:26px;line-height:1.5}
 .csd-pagenav{grid-template-columns:1fr}
 .csd-pagenav-next{align-items:flex-start;text-align:left}
}

/* 似た取り組み。前後の移動より、並べて選べるほうが読まれる。 */
.csd-related-title{margin-bottom:clamp(16px,2vw,24px)}
.csd-related-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2vw,24px);list-style:none;margin:0;padding:0}
.csd-related-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--border);border-radius:6px;overflow:hidden;color:inherit}
.csd-related-photo{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--surface)}
.csd-related-photo img{width:100%;height:100%;object-fit:cover}
.csd-related-body{display:flex;flex-direction:column;gap:8px;padding:14px 16px 18px}
.csd-related-meta{display:flex;align-items:center;gap:10px;font:400 var(--fs-xs)/1.6 "Noto Sans JP",sans-serif;color:var(--muted)}
.csd-related-name{font:700 var(--fs-sm)/1.7 "Noto Serif JP",serif;color:var(--navy);text-wrap:pretty}
@media(max-width:767px){
 .csd-related-list{grid-template-columns:1fr}
}
.csd-related-blank{display:flex;align-items:center;justify-content:center;padding:16px;text-align:center;background:linear-gradient(135deg,#eef4f9,#dfe8f1)}
.csd-related-blank span{font:400 var(--fs-sm)/1.7 "Noto Sans JP",sans-serif;color:var(--navy)}