/* 掲示板 */
.pg-board .page-head .wrap,.pg-board .page-body .wrap,.pg-board-topic .page-head .wrap,.pg-board-topic .page-body .wrap{max-width:1160px}
.bd-i{flex:none;vertical-align:-.15em}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.bd-muted{font-size:13px;color:var(--sub);margin:0 0 12px}

/* カテゴリの色 */
.bd-cat{display:inline-block;font-size:12px;font-weight:700;line-height:1.5;padding:2px 10px;border-radius:999px;white-space:nowrap;background:var(--wash);color:var(--sub)}
.c-question{background:#e3f5ef!important;color:#13735f!important}
.c-work{background:#e4effc!important;color:#2a64a8!important}
.c-study{background:#eeeafb!important;color:#5546a8!important}
.c-chat{background:#ffecdf!important;color:#b0521b!important}
.bd-badge{display:inline-flex;align-items:center;gap:3px;font-size:11.5px;font-weight:700;line-height:1.5;padding:1px 8px;border-radius:999px;white-space:nowrap}
.bd-badge.is-new{background:#ffe9a8;color:#7a5600}
.bd-badge.is-solved{background:var(--green-wash);color:var(--green)}
.bd-badge.is-pin{background:#fde8e6;color:#b03d34}
.bd-badge.is-img{background:var(--wash);color:var(--sub);font-weight:500}

/* 2列（本文＋サイド） */
.bd-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.bd-main{min-width:0}

/* 検索・カテゴリ・並べ替え */
.bd-search{position:relative;display:flex;align-items:center;margin-bottom:14px}
.bd-search>.bd-i{position:absolute;left:18px;color:var(--ai);pointer-events:none}
.bd-search input{flex:1;min-width:0;font:inherit;font-size:16px;padding:12px 96px 12px 48px;border:2px solid var(--line);border-radius:999px;background:#fff;color:var(--ink)}
.bd-search input:focus{border-color:var(--ai);outline:3px solid var(--ai-wash);outline-offset:0}
.bd-search button{position:absolute;right:6px;top:6px;bottom:6px;border:0;border-radius:999px;background:var(--ai);color:#fff;font:inherit;font-weight:700;font-size:14px;padding:0 20px;cursor:pointer}
.bd-search button:hover{background:var(--ai-deep)}
.bd-cats{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.bd-cats a{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;padding:6px 14px;border-radius:999px;text-decoration:none;background:var(--wash);color:var(--ink)}
.bd-cats a small{font-size:11.5px;opacity:.75;font-variant-numeric:tabular-nums}
.bd-cats a[aria-current="page"]{box-shadow:inset 0 0 0 2px currentColor;font-weight:700}
.bd-cats a:not([class])[aria-current="page"]{background:var(--ink);color:#fff;box-shadow:none}
.bd-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;padding:10px 0;border-bottom:2px solid var(--ink)}
.bd-total{margin:0;font-size:14px;color:var(--sub)}
.bd-total strong{font-size:18px;color:var(--ink);margin-right:2px;font-variant-numeric:tabular-nums}
.bd-sort{display:flex;flex-wrap:wrap;gap:2px;background:var(--wash);padding:3px;border-radius:999px}
.bd-sort a{font-size:13px;padding:4px 12px;border-radius:999px;text-decoration:none;color:var(--sub);white-space:nowrap}
.bd-sort a:hover{color:var(--ai)}
.bd-sort a[aria-current="page"]{background:#fff;color:var(--ink);font-weight:700;box-shadow:0 1px 3px rgba(35,50,58,.12)}

/* 話題の一覧 */
.bd-list{list-style:none;margin:0;padding:0}
.bd-list>li{border-bottom:1px solid var(--line)}
.bd-list.is-pins{background:#fffaf0;border-radius:0 0 16px 16px}
.bd-card{display:flex;gap:16px;align-items:flex-start;padding:16px 10px;text-decoration:none;color:var(--ink);border-radius:14px;transition:background .12s}
.bd-card:hover{background:var(--wash)}
.bd-card:hover .bd-card-title{color:var(--ai)}
.bd-card-main{flex:1;min-width:0}
.bd-card-top{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:4px}
.bd-card-title{font-family:"Noto Sans JP",sans-serif;font-size:17px;font-weight:700;line-height:1.5;margin:0;overflow-wrap:anywhere}
.bd-card-ex{margin:4px 0 0;font-size:14px;line-height:1.65;color:var(--sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.bd-card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:4px 14px;margin-top:8px;font-size:12.5px;color:var(--sub)}
.bd-who{font-weight:700;color:var(--ink)}
.bd-stat{display:inline-flex;align-items:center;gap:4px;font-variant-numeric:tabular-nums}
.bd-thumb-wrap{flex:none}
.bd-thumb{display:block;width:84px;height:84px;object-fit:cover;border-radius:12px;background:var(--wash)}
.bd-card.is-compact{padding:12px 8px}
.bd-card.is-compact .bd-card-title{font-size:16px}
.bd-card.is-compact .bd-thumb{width:56px;height:56px;border-radius:10px}
.bd-empty{text-align:center;padding:40px 16px;background:var(--wash);border-radius:20px;margin-top:16px}
.bd-empty p{margin:0 0 16px;color:var(--sub)}
.bd-empty b{color:var(--ink);font-size:16px}
.bd-pager{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;align-items:center;margin:24px 0 8px}
.bd-pager a,.bd-pager span{min-width:40px;height:40px;display:inline-grid;place-items:center;padding:0 12px;border-radius:999px;font-size:14px;text-decoration:none}
.bd-pager a{background:var(--wash);color:var(--ink)}
.bd-pager a:hover{background:var(--ai-wash);color:var(--ai)}
.bd-pager span[aria-current]{background:var(--ai);color:#fff;font-weight:700}
.bd-pager .bd-gap{min-width:20px;padding:0;color:var(--sub)}

/* サイド */
.bd-side{display:flex;flex-direction:column;gap:16px;position:sticky;top:16px}
.admin-bar .bd-side{top:48px}
.bd-side-post{display:block;text-align:center;padding:13px 22px;font-size:16px}
.bd-box{background:#fff;border:1.5px solid var(--line);border-radius:18px;padding:16px 18px}
.bd-box h2{font-size:15px;margin:0 0 8px}
.bd-mini,.bd-rank{list-style:none;margin:0;padding:0;font-size:14px;line-height:1.5}
.bd-mini li,.bd-rank li{padding:8px 0;border-top:1px dashed var(--line)}
.bd-mini li:first-child,.bd-rank li:first-child{border-top:0;padding-top:2px}
.bd-mini a,.bd-rank a{color:var(--ink);text-decoration:none;font-weight:500;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.bd-mini a:hover,.bd-rank a:hover{color:var(--ai);text-decoration:underline}
.bd-mini span,.bd-rank li>span:last-child{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--sub);margin-top:2px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.bd-rank li{display:grid;grid-template-columns:24px 1fr;gap:0 8px}
.bd-rank li>span:last-child{grid-column:2}
.bd-rank-n{grid-row:1 / span 2;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;background:var(--wash);color:var(--sub);margin-top:1px}
.bd-rank li:nth-child(1) .bd-rank-n{background:var(--sun);color:var(--ink)}
.bd-rank li:nth-child(2) .bd-rank-n{background:#dfe6ea;color:var(--ink)}
.bd-rank li:nth-child(3) .bd-rank-n{background:#f3d9c4;color:var(--ink)}
.bd-rules{margin:0;padding:0 0 0 1.2em;font-size:13px;line-height:1.75;color:var(--sub)}
.bd-rules li+li{margin-top:6px}

/* 投稿フォーム */
.bd-form-wrap{margin-top:40px;background:var(--wash);border-radius:24px;padding:26px clamp(18px,3vw,32px) 30px;scroll-margin-top:16px}
.bd-form-wrap>h2{font-size:21px;margin:0 0 14px;text-align:center}
.bd-rules-box{background:#fff;border-radius:14px;padding:12px 16px;margin-bottom:18px}
.bd-rules-box summary{cursor:pointer;font-size:14px;font-weight:700;color:var(--ink)}
.bd-rules-box .bd-rules{margin-top:8px}
.bd-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.bd-form .f{display:flex;flex-direction:column;gap:4px;font-size:13.5px;font-weight:700;color:var(--sub);margin-bottom:14px;position:relative}
.bd-form .f input,.bd-form .f select,.bd-form .f textarea,.bd-dialog .f textarea{font:inherit;font-weight:400;font-size:16px;color:var(--ink);background:#fff;border:1.5px solid #c9d8d3;border-radius:12px;padding:10px 12px;width:100%}
.bd-form .f input:focus,.bd-form .f select:focus,.bd-form .f textarea:focus,.bd-dialog textarea:focus{border-color:var(--ai);outline:3px solid #fff;outline-offset:0;box-shadow:0 0 0 5px var(--ai-wash)}
.bd-form .f textarea{resize:vertical;line-height:1.7}
.bd-form .f input,.bd-form .f select{min-height:48px}
.bd-count{position:absolute;right:2px;top:0;font-size:12px;font-weight:400;color:var(--faint);font-variant-numeric:tabular-nums}
.bd-count.is-over{color:#b03d34;font-weight:700}
.bd-check{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.6;margin:4px 0 18px;cursor:pointer}
.bd-check input{width:20px;height:20px;margin:2px 0 0;flex:none;accent-color:var(--ai)}
.bd-submit{text-align:center}
.bd-submit .btn-pop{min-width:16em;padding:13px 28px;font-size:16px}
.bd-submit .btn-pop:disabled{opacity:.6;cursor:wait}
.bd-notice{padding:12px 16px;border-radius:12px;font-weight:500;margin:0 0 16px}
.bd-notice.ok{background:var(--green-wash);color:var(--green)}
.bd-notice.ng{background:#fde8e6;color:#b03d34}

/* 画像の追加 */
.bd-upload{margin-bottom:16px}
.bd-drop{position:relative;display:flex;align-items:center;gap:14px;padding:16px 18px;border:2px dashed #b9cec7;border-radius:16px;background:#fff;color:var(--ai);cursor:pointer;transition:border-color .12s,background .12s}
.bd-drop span{color:var(--ink);font-size:14px;line-height:1.5}
.bd-drop small{color:var(--sub);font-size:12.5px}
.bd-drop input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}
.bd-drop:hover,.bd-drop.is-over{border-color:var(--ai);background:var(--ai-wash)}
.bd-drop:focus-within{outline:3px solid var(--sun-deep);outline-offset:2px}
.bd-drop.is-full{opacity:.5;pointer-events:none}
.bd-drop.is-busy::after{content:"画像を準備しています…";position:absolute;inset:0;display:grid;place-items:center;background:rgba(255,255,255,.85);border-radius:14px;font-size:14px;font-weight:700;color:var(--ai)}
.bd-previews{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:10px 0 0;padding:0}
.bd-previews:empty{display:none}
.bd-previews li{position:relative}
.bd-previews img{display:block;width:92px;height:92px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.bd-prev-x{position:absolute;top:-8px;right:-8px;width:28px;height:28px;border-radius:50%;border:2px solid #fff;background:var(--ink);color:#fff;font-size:15px;line-height:1;cursor:pointer;display:grid;place-items:center;padding:0}
.bd-upload-msg{margin:8px 0 0;font-size:13.5px;color:#b03d34;font-weight:500}

/* 話題のページ */
.bd-head-band h1{max-width:28em}
.bd-crumb{display:flex;gap:8px;align-items:center;justify-content:center;font-size:13px;color:var(--sub)}
.bd-head-meta{display:flex!important;flex-wrap:wrap;gap:6px 14px;align-items:center;justify-content:center;font-size:13px}
.bd-head-meta>span:not(.bd-cat):not(.bd-badge){display:inline-flex;align-items:center;gap:4px}
.bd-topic{background:#fff;border:2px solid #ffd9bf;border-radius:22px;padding:22px clamp(18px,3vw,28px)}
.bd-topic-head{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.bd-sub{font-size:12.5px;color:var(--sub)}
.bd-ava{flex:none;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-family:var(--round);font-weight:700;font-size:17px;color:hsl(var(--h) 45% 30%);background:hsl(var(--h) 60% 90%)}
.bd-name{font-size:15px}
.bd-uid{font-size:12px;color:var(--faint);font-family:ui-monospace,Menlo,Consolas,monospace;margin-left:6px}
.bd-text{font-size:16px;line-height:1.9;overflow-wrap:anywhere}
.bd-topic-text{font-size:16.5px}
.bd-anchor{font-weight:700;text-decoration:none;color:var(--ai);background:var(--ai-wash);border-radius:4px;padding:0 3px}
.bd-anchor:hover{text-decoration:underline}

/* 画像 */
.bd-imgs{display:grid;gap:6px;margin-top:14px;max-width:560px;border-radius:14px;overflow:hidden}
.bd-imgs.n1{grid-template-columns:1fr}
.bd-imgs.n2,.bd-imgs.n4{grid-template-columns:1fr 1fr}
.bd-imgs.n3{grid-template-columns:2fr 1fr;grid-template-rows:1fr 1fr}
.bd-imgs.n3 .bd-img:first-child{grid-row:span 2}
.bd-img{display:block;background:var(--wash);cursor:zoom-in}
.bd-img img{display:block;width:100%;height:100%;object-fit:cover}
.bd-imgs.n1 img{height:auto;max-height:440px;object-fit:contain;background:var(--wash)}
.bd-imgs.n2 img,.bd-imgs.n4 img{aspect-ratio:4/3}
.bd-imgs.n3 .bd-img:not(:first-child) img{aspect-ratio:4/3}

/* ボタン */
.bd-acts{display:flex;flex-wrap:wrap;align-items:center;gap:4px;margin-top:12px}
.bd-act{display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:13.5px;font-weight:500;color:var(--sub);background:none;border:0;border-radius:999px;padding:6px 12px;cursor:pointer;text-decoration:none;min-height:36px}
.bd-act:hover{background:var(--wash);color:var(--ink)}
.bd-like{border:1.5px solid var(--line);background:#fff;font-weight:700;font-variant-numeric:tabular-nums}
.bd-like:hover{border-color:#f2a3ad;color:#d33f55;background:#fff5f6}
.bd-like[aria-pressed="true"]{border-color:#f2a3ad;background:#fff0f2;color:#d33f55}
.bd-like[aria-pressed="true"] .bd-i{fill:currentColor}
.bd-like.pop .bd-i{animation:bd-pop .35s ease}
@keyframes bd-pop{40%{transform:scale(1.35)}}
.bd-report{margin-left:auto;font-size:12.5px;color:var(--faint)}
.bd-report.is-done{color:#b03d34}
.bd-share{position:relative}
.bd-share-menu{position:absolute;left:0;top:calc(100% + 4px);z-index:10;min-width:190px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 30px rgba(35,50,58,.16);padding:6px;display:flex;flex-direction:column}
.bd-share-menu[hidden]{display:none}
.bd-share-menu a,.bd-share-menu button{display:flex;align-items:center;gap:8px;font:inherit;font-size:14px;color:var(--ink);text-decoration:none;background:none;border:0;padding:9px 12px;border-radius:10px;text-align:left;cursor:pointer}
.bd-share-menu a:hover,.bd-share-menu button:hover{background:var(--wash)}

/* 返信 */
.bd-replies{margin-top:34px}
.bd-replies>h2{font-size:19px;margin:0 0 6px;padding-bottom:10px;border-bottom:2px solid var(--ink)}
.bd-replies>h2 span{font-family:"Noto Sans JP",sans-serif;font-size:14px;font-weight:500;color:var(--sub)}
.bd-reply-list,.bd-children{list-style:none;margin:0;padding:0}
.bd-reply{position:relative;display:grid;grid-template-columns:40px minmax(0,1fr);gap:0 12px;padding:16px 0 14px;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.bd-reply-main{min-width:0}
.bd-target{position:absolute;top:-90px}
.bd-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 10px;font-size:13px;color:var(--sub);margin-bottom:4px}
.bd-head .bd-name{color:var(--ink)}
.bd-head .bd-uid{margin-left:0}
.bd-no{font-weight:700;color:var(--ai);text-decoration:none;font-variant-numeric:tabular-nums}
.bd-no::after{content:"."}
.bd-role{font-size:11px;font-weight:700;border-radius:999px;padding:1px 8px;background:#ffecdf;color:#b0521b}
.bd-role.is-staff{background:var(--ai);color:#fff}
.bd-to{margin:0 0 4px;font-size:12.5px;color:var(--sub)}
.bd-reply .bd-text{font-size:15.5px}
.bd-reply.is-staff>.bd-reply-main>.bd-text{background:var(--ai-wash);border-radius:4px 14px 14px 14px;padding:10px 14px}
.bd-reply .bd-acts{margin-top:6px;margin-left:-12px}
.bd-children{grid-column:1 / -1;margin:10px 0 0 26px;padding-left:24px;border-left:3px solid var(--ai-wash)}
.bd-children .bd-reply{grid-template-columns:32px minmax(0,1fr);border-bottom:0;border-top:1px dashed var(--line);padding:12px 0 8px}
.bd-children .bd-ava{width:32px;height:32px;font-size:14px}
.bd-reply:target,.bd-reply.is-flash{animation:bd-flash 1.6s ease}
@keyframes bd-flash{0%,30%{background:#fff6d6}100%{background:transparent}}
.bd-empty-inline{color:var(--sub);font-size:14px;padding:16px 0}
.bd-replying{display:flex;align-items:center;gap:8px;margin:0 0 12px;font-size:14px;font-weight:500}
.bd-replying[hidden]{display:none}
.bd-replying span{font-weight:700;color:var(--ai);background:#fff;border-radius:6px;padding:2px 8px}
.bd-replying-x{border:0;background:#fff;border-radius:50%;width:26px;height:26px;cursor:pointer;color:var(--sub)}
.bd-back{margin:28px 0 0;font-size:14px;text-align:left!important}
.bd-tip{position:absolute;z-index:50;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 32px rgba(35,50,58,.2);padding:12px 14px;max-height:260px;overflow:hidden;font-size:14px;pointer-events:none}
.bd-tip .bd-text{font-size:14px;line-height:1.7}

/* ダイアログ */
.bd-dialog{border:0;border-radius:22px;padding:24px;width:min(460px,calc(100vw - 32px));box-shadow:0 24px 60px rgba(0,0,0,.25);color:var(--ink)}
.bd-dialog::backdrop{background:rgba(20,40,40,.45)}
.bd-dialog h2{font-size:19px;margin:0 0 6px}
.bd-dialog fieldset{border:0;margin:0 0 12px;padding:0}
.bd-radio{display:flex;gap:10px;align-items:center;padding:9px 12px;border-radius:12px;cursor:pointer;font-size:15px}
.bd-radio:hover{background:var(--wash)}
.bd-radio input{width:18px;height:18px;accent-color:var(--ai)}
.bd-dialog .f{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:700;color:var(--sub)}
.bd-report-msg{margin:12px 0 0;padding:10px 14px;border-radius:12px;background:var(--green-wash);color:var(--green);font-weight:500;font-size:14px}
.bd-dialog-btns{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}
.bd-btn-ghost{font:inherit;font-weight:700;font-size:15px;border:0;background:var(--wash);color:var(--ink);border-radius:999px;padding:10px 20px;cursor:pointer}
.bd-lightbox{border:0;padding:0;background:transparent;max-width:100vw;max-height:100vh;width:100vw;height:100vh;overflow:hidden}
.bd-lightbox::backdrop{background:rgba(10,15,18,.9)}
.bd-lightbox[open]{display:grid;place-items:center}
.bd-lightbox img{max-width:min(94vw,1600px);max-height:88vh;border-radius:8px;cursor:zoom-out}
.bd-lightbox button{position:fixed;border:0;background:rgba(255,255,255,.14);color:#fff;width:48px;height:48px;border-radius:50%;font-size:28px;line-height:1;cursor:pointer;display:grid;place-items:center}
.bd-lightbox button:hover{background:rgba(255,255,255,.28)}
.bd-lb-prev{left:16px;top:50%;transform:translateY(-50%)}
.bd-lb-next{right:16px;top:50%;transform:translateY(-50%)}
.bd-lb-close{right:16px;top:16px}
.bd-lightbox.is-single .bd-lb-prev,.bd-lightbox.is-single .bd-lb-next{display:none}
.bd-toast{position:fixed;left:50%;bottom:24px;z-index:100;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--ink);color:#fff;font-size:14px;padding:10px 18px;border-radius:999px;transition:opacity .2s,transform .2s}
.bd-toast.is-on{opacity:1;transform:translate(-50%,0)}

.bd-live:empty{display:none}
.bd-warn,.bd-info{margin:0 0 14px;padding:10px 14px;border-radius:12px;font-size:14px;font-weight:500;line-height:1.6}
.bd-warn{background:#fde8e6;color:#b03d34}
.bd-info{background:#fff4dc;color:#8a5a00}
.bd-img-wait{display:flex;align-items:center;gap:10px;margin:14px 0 0;padding:12px 16px;border-radius:14px;background:var(--wash);border:1.5px dashed #c9d8d3;color:var(--sub);font-size:14px}
.bd-img-wait.is-admin{border:0;background:#fff4dc;color:#8a5a00;font-size:13px;padding:8px 12px}

/* トップページの新着 */
.board-band .bd-list>li:last-child{border-bottom:0}

@media (max-width:1000px){
  .bd-layout{grid-template-columns:minmax(0,1fr)}
  .bd-side{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
  .bd-side-post{grid-column:1 / -1}
}
@media (max-width:640px){
  .bd-side{grid-template-columns:minmax(0,1fr)}
  .bd-row{grid-template-columns:1fr}
  .bd-card{padding:14px 4px;gap:12px}
  .bd-card-title{font-size:16px}
  .bd-thumb{width:64px;height:64px}
  .bd-bar{flex-direction:column;flex-wrap:nowrap;align-items:stretch}
  .bd-sort{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
  .bd-cats{flex-wrap:nowrap;overflow-x:auto;margin-left:calc(var(--gutter) * -1);margin-right:calc(var(--gutter) * -1);padding:0 var(--gutter) 4px;scrollbar-width:none}
  .bd-cats a{white-space:nowrap}
  .bd-search input{padding-right:80px}
  .bd-search button{padding:0 14px}
  .bd-children{margin-left:6px;padding-left:12px}
  .bd-submit .btn-pop{width:100%;min-width:0}
  .bd-report span{display:none}
}
@media (prefers-reduced-motion:reduce){.bd-like.pop .bd-i,.bd-reply.is-flash,.bd-reply:target{animation:none}}