/* ===== 恋と結婚の研究所 KOI LAB. : portal stylesheet ===== */
:root{
  --bg:#f6eef2; --panel:#fff; --panel-2:#fdf7f9; --line:#eadfe6;
  --text:#3f4650; --muted:#7f7384; --link:#c23e69;
  --visited:#a898ad; --shadow:0 1px 2px rgba(63,70,80,.06);
  --radius:10px; --maxw:1180px;
}

body{background:linear-gradient(180deg,#fff7fa 0,#fdf8fb 460px,var(--bg) 760px)}
.site-head{border-top:4px solid var(--accent,#f65f8c)}

/* ---------- iOS セーフエリア（ノッチ／ステータスバー）対応 ----------
   viewport-fit=cover + apple-mobile-web-app-status-bar-style=black-translucent の
   組み合わせにより、ホーム画面追加時（standalone）はコンテンツが画面最上部 y=0 から
   描画され、端末のステータスバーとヘッダーが重なる。env() 非対応環境では 0px のまま
   従来どおりの表示になるよう、既定値 0px → @supports で env() を上書きする二段構え。 */
:root{ --sat:0px; --sar:0px; --sab:0px; --sal:0px; }
@supports (padding-top: env(safe-area-inset-top)){
  :root{
    --sat:env(safe-area-inset-top, 0px);
    --sar:env(safe-area-inset-right, 0px);
    --sab:env(safe-area-inset-bottom, 0px);
    --sal:env(safe-area-inset-left, 0px);
  }
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:linear-gradient(180deg,#fff7fa 0,#fdf8fb 460px,var(--bg) 760px);color:var(--text);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",Meiryo,system-ui,sans-serif;
  overflow-wrap:anywhere;
}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 calc(12px + var(--sar)) 0 calc(12px + var(--sal))}
.narrow{max-width:760px}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.tiny{font-size:11px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.nowrap{white-space:nowrap}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:calc(8px + var(--sat));background:var(--panel);padding:8px;z-index:100}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:50;background:var(--panel);
  border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  padding-top:var(--sat);
}
.head-row{display:flex;align-items:center;gap:12px;height:56px}
.brand{display:flex;align-items:center;gap:8px;color:var(--text);flex:none}
.brand:hover{text-decoration:none}
.brand-mark{width:28px;height:28px;flex:none;display:block}
.brand-mark svg{display:block;width:100%;height:100%;overflow:visible}
.brand-mark .flask{fill:#fff;stroke:#3f4650;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.brand-mark .liquid{fill:#ffe8ef;stroke:none}
.brand-mark .heart{fill:var(--accent,#f65f8c)}
.brand-mark circle{fill:#8cc8eb}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:15px;letter-spacing:.01em}
.brand-text small{color:var(--muted);font-size:10.5px}
.search{flex:1;display:flex;max-width:420px;margin-left:auto}
.search input{
  flex:1;min-width:0;padding:7px 10px;border:1px solid var(--line);border-right:0;
  border-radius:6px 0 0 6px;background:var(--panel-2);color:var(--text);font-size:14px;
}
.search input:focus{outline:2px solid var(--accent);outline-offset:-1px}
.search button{border:1px solid var(--line);border-left:0;border-radius:0 6px 6px 0;background:var(--panel-2);cursor:pointer;padding:0 12px;color:var(--muted)}
.head-tools{display:flex;gap:6px;flex:none}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:34px;padding:0 9px;
  border:1px solid var(--line);border-radius:6px;background:var(--panel-2);color:var(--text);
  cursor:pointer;font-size:13px;
}
.icon-btn:hover{border-color:var(--accent);text-decoration:none}

.lang-flag-row{display:flex;gap:3px;align-items:center;flex:none}
.lang-flag-btn{
  display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;padding:0;
  border:1px solid transparent;border-radius:5px;background:transparent;cursor:pointer;line-height:0;
}
.lang-flag-btn .flag-icon{width:18px;line-height:18px;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.lang-flag-btn:hover{border-color:var(--accent)}
.lang-flag-btn.on{border-color:var(--accent);background:var(--panel-2)}
@media (max-width:480px){
  .lang-flag-btn{width:22px;height:22px}
  .lang-flag-btn .flag-icon{width:15px;line-height:15px}
}

.cats{background:var(--panel);border-top:1px solid var(--line)}
.cats-row{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.cats-row::-webkit-scrollbar{display:none}
.cats-row a{
  flex:none;padding:9px 13px;color:var(--muted);font-size:13.5px;font-weight:600;
  border-bottom:3px solid transparent;white-space:nowrap;
}
.cats-row a:hover{color:var(--text);text-decoration:none;background:var(--panel-2)}
.cats-row a.on{color:var(--accent);border-bottom-color:var(--accent)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .cats-row a.on{color:var(--accent-dark);border-bottom-color:var(--accent-dark)}}
:root[data-theme="dark"] .cats-row a.on{color:var(--accent-dark);border-bottom-color:var(--accent-dark)}

/* ---------- layout ---------- */
.cols{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;padding-top:14px;padding-bottom:32px;align-items:start}
.main-col{min-width:0}
@media (max-width:900px){.cols{grid-template-columns:1fr}.side{order:2}}

.page-head{display:flex;align-items:baseline;gap:10px;margin:2px 0 10px;flex-wrap:wrap}
.page-head h1{font-size:19px;margin:0}

/* ---------- toolbar ---------- */
.toolbar{
  display:flex;gap:6px;flex-wrap:wrap;align-items:center;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:7px 8px;margin-bottom:10px;box-shadow:var(--shadow);
}
.tool{
  border:1px solid var(--line);background:var(--panel-2);color:var(--muted);
  padding:5px 10px;border-radius:999px;font-size:12.5px;cursor:pointer;line-height:1.4;
}
.tool:hover{color:var(--text);border-color:var(--accent);text-decoration:none}
.tool[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.tool-spacer{flex:1}

/* ---------- article list ---------- */
.arts{list-style:none;margin:0;padding:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.art{display:flex;align-items:stretch;border-top:1px solid var(--line);position:relative;flex-wrap:wrap}
.art:first-child{border-top:0}
.art.hidden{display:none}
.art-link{flex:1;display:flex;gap:10px;padding:9px 10px;min-width:0;color:inherit}
.art-link:hover{background:var(--panel-2);text-decoration:none}
.thumb{
  width:88px;height:66px;flex:none;object-fit:cover;border-radius:6px;background:var(--panel-2);
  border:1px solid var(--line);
}
.thumb-empty{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px;font-weight:700}
.art-body{display:flex;flex-direction:column;justify-content:center;gap:4px;min-width:0;flex:1}
.art-title{font-size:15px;font-weight:600;line-height:1.4;color:var(--link)}
.art:hover .art-title{text-decoration:underline}
.art.read .art-title{color:var(--visited);font-weight:500}
.art.read .thumb{opacity:.55}
.art-meta{display:flex;gap:8px;align-items:center;font-size:11.5px;color:var(--muted);flex-wrap:wrap}
.src{font-weight:700;color:var(--muted)}
.clicks{background:var(--panel-2);border:1px solid var(--line);border-radius:4px;padding:0 5px}
.art-actions{flex:none;display:flex;align-items:stretch;border-left:1px solid var(--line);max-height:74px}
.fav-btn,.pv-btn{
  flex:none;width:32px;border:0;background:transparent;
  color:var(--muted);cursor:pointer;font-size:15px;line-height:1;
}
.pv-btn{border-right:1px solid var(--line);font-size:11px}
.fav-btn:hover,.pv-btn:hover{background:var(--panel-2);color:var(--accent)}
.fav-btn.on{color:#f0a92b}
.pv-btn span{display:block;transition:transform .15s ease}
@media (prefers-reduced-motion: reduce){.pv-btn span{transition:none}}
.pv-btn[aria-expanded="true"]{color:var(--accent);background:var(--panel)}
.pv-btn[aria-expanded="true"] span{transform:rotate(180deg)}
.fav-btn:focus-visible,.pv-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}

.thumb.is-capture{object-position:top center;filter:saturate(.94)}

/* 本文プレビュー */
.art-preview{flex-basis:100%;order:9;border-top:1px dashed var(--line);background:var(--panel-2)}
.pvw-inner{padding:12px 14px;display:grid;gap:10px}
.pvw-img{max-width:min(100%,260px);border-radius:8px;border:1px solid var(--line)}
.pvw-body{font-size:14px;line-height:1.75;color:var(--text);max-width:66ch}
.pvw-body p{margin:0 0 8px}
.pvw-body img{max-width:min(100%,260px);max-height:200px;object-fit:cover;border-radius:8px;margin:4px 0;display:block}
.pvw-body ul,.pvw-body ol{margin:4px 0;padding-left:20px}
.pvw-body blockquote{margin:6px 0;padding:4px 12px;border-left:3px solid var(--line);color:var(--muted)}
.pvw-body .truncated{color:var(--muted)}
.pvw-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:9px}
.art.open{background:var(--panel-2)}
.ad-row{padding:10px;border-top:1px solid var(--line);text-align:center}

.rank{
  position:absolute;left:0;top:0;width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:800;background:var(--muted);color:#fff;border-radius:0 0 6px 0;z-index:1;
}
.rank.r1{background:#d4af37}.rank.r2{background:#9aa4ad}.rank.r3{background:#b0703a}
.art:has(.rank) .art-link{padding-left:26px}

:root[data-density="compact"] .thumb{display:none}
:root[data-density="compact"] .art-link{padding:6px 10px}
:root[data-density="compact"] .art-title{font-size:14px;font-weight:500}
:root[data-density="compact"] .art-body{gap:1px}

:root[data-density="card"] .arts{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1px;background:var(--line);border-radius:var(--radius)}
:root[data-density="card"] .art{flex-direction:column;background:var(--panel);border-top:0}
:root[data-density="card"] .art-link{flex-direction:column;gap:8px;padding:10px}
:root[data-density="card"] .thumb{width:100%;height:132px}
:root[data-density="card"] .fav-btn{position:absolute;right:4px;top:4px;width:28px;height:28px;border:0;background:rgba(0,0,0,.45);color:#fff;border-radius:6px}

/* ---------- サイトカード（キャプチャ付き） ---------- */
.scards{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.scard{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:8px;
  overflow:hidden;background:var(--panel-2);color:var(--text)}
.scard:hover{text-decoration:none;border-color:var(--accent)}
.scard-shot{position:relative;display:block;aspect-ratio:4/3;background:var(--panel);overflow:hidden}
.scard-shot img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block;position:relative;z-index:1}
.scard-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:var(--muted);font-weight:700;font-size:15px}
.scard-body{padding:8px 10px;display:flex;flex-direction:column;gap:3px}
.scard-body b{font-size:13.5px}
.scard-meta{font-size:11px;color:var(--muted)}
.site-hero{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  margin-bottom:12px;background:var(--panel);max-height:220px}
.site-hero img{width:100%;display:block;object-fit:cover;object-position:top center;max-height:220px}
.site-hero-cap{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.62);color:#fff;
  font-size:11px;padding:3px 8px;border-radius:999px}
.admin-shot{width:80px;height:60px;object-fit:cover;object-position:top center;border:1px solid var(--line);border-radius:4px;display:block}
.btn-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}

/* ---------- sidebar ---------- */
.side{display:flex;flex-direction:column;gap:14px;position:sticky;top:calc(110px + var(--sat))}
@media (max-width:900px){.side{position:static}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow)}
.card h2{font-size:14px;margin:0 0 9px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.card h2 small{font-weight:400;color:var(--muted)}

/* ---------- AIデイリー要約 ---------- */
.daily-summary.card{margin-bottom:14px;background:linear-gradient(135deg,var(--panel),var(--panel-2))}
.ds-list{list-style:decimal;margin:0;padding-left:22px}
.ds-list li{margin-bottom:10px}
.ds-list li:last-child{margin-bottom:0}
.ds-ja{display:block;font-size:14px;font-weight:600}
.ds-en{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}

/* ---------- 英語UI時の1行文脈解説 ---------- */
.en-hint{display:none;font-size:12px;color:var(--muted);line-height:1.4;margin-top:2px}
:root[data-lang="en"] .en-hint{display:block}
.rank-list{list-style:none;margin:0;padding:0;counter-reset:r}
.rank-list li{display:grid;grid-template-columns:20px 1fr;gap:6px;padding:6px 0;border-top:1px dashed var(--line);font-size:13px}
.rank-list li:first-child{border-top:0}
.rank-list .rk{font-weight:800;color:var(--muted);font-size:12px}
.rank-list em{grid-column:2;font-style:normal;color:var(--muted);font-size:11px}
.feed-list{list-style:none;margin:0;padding:0;max-height:340px;overflow:auto}
.feed-list li{display:flex;justify-content:space-between;gap:8px;padding:4px 0;font-size:13px;border-top:1px dashed var(--line)}
.feed-list li:first-child{border-top:0}
.feed-list .cnt{color:var(--muted);font-size:11px}
.more{display:inline-block;margin-top:8px;font-size:12px;color:var(--muted)}
.now-links .side-quick{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.now-links .side-quick a{padding:9px 8px;border-radius:8px;background:var(--panel-2);border:1px solid var(--line);font-size:12px;text-align:center;color:var(--text)}
.now-links .side-quick a:hover{border-color:var(--accent);text-decoration:none;color:var(--accent)}

/* ---------- common bits ---------- */
.btn{
  display:inline-block;background:var(--accent);color:#fff;border:1px solid var(--accent);
  padding:8px 16px;border-radius:6px;font-size:14px;cursor:pointer;font-weight:600;
}
.btn:hover{filter:brightness(1.08);text-decoration:none;color:#fff}
.btn.ghost{background:transparent;color:var(--muted);border-color:var(--line)}
.btn.ghost:hover{color:var(--text)}
.btn.tiny{padding:3px 9px;font-size:12px}
.empty{background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius);padding:36px 16px;text-align:center;color:var(--muted)}
.alert{background:#fdecea;border:1px solid #f5c2bd;color:#8b2419;padding:10px 12px;border-radius:8px;margin-bottom:12px}
.alert.ok{background:#fdeaf1;border-color:#f3c3d6;color:#a1265a}
.success h1{margin-top:0}
.pager{display:flex;gap:10px;justify-content:center;align-items:center;margin:16px 0}
.pg{background:var(--panel);border:1px solid var(--line);padding:8px 16px;border-radius:6px}
.pg-now{color:var(--muted);font-size:13px}
.tabs{display:flex;gap:6px;margin-bottom:10px}
.tab{padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:var(--panel);font-size:13px;color:var(--muted)}
.tab.on{background:var(--accent);border-color:var(--accent);color:#fff}
.tab:hover{text-decoration:none}

.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th,.tbl td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{color:var(--muted);font-size:11.5px;font-weight:700;white-space:nowrap}
.tbl tr.off{opacity:.45}
.err{color:#c0392b}

.form{display:flex;flex-direction:column;gap:12px}
.form label{display:block;font-size:13px;font-weight:600}
.form label > input,.form label > select,.form label > textarea{display:block;width:100%;margin-top:5px}
.form input,.form select,.form textarea{
  padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--panel-2);
  color:var(--text);font-size:14px;font-weight:400;font-family:inherit;
}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--accent);outline-offset:-1px}
.form .req{display:inline-block;color:var(--accent);font-size:10px;border:1px solid currentColor;border-radius:3px;padding:0 3px;margin-left:4px;vertical-align:1px}
.form small{display:block;font-weight:400;margin-top:4px}
.inline-form{flex-direction:row;flex-wrap:wrap;align-items:center}
.inline-form input{flex:1;min-width:150px}
form.inline{display:inline}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:14px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px;text-align:center}
.stat b{display:block;font-size:22px}
.stat span{font-size:11.5px;color:var(--muted)}
section.card{margin-bottom:14px}
.prose h2{font-size:15px;margin:18px 0 6px}
.prose ul{padding-left:20px}
.prose li{margin:4px 0}
.code{background:var(--panel-2);border:1px solid var(--line);border-radius:6px;padding:10px;overflow-x:auto;font-size:12.5px;font-family:ui-monospace,monospace}
code{background:var(--panel-2);border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-size:12.5px}

.site-foot{border-top:1px solid var(--line);background:var(--panel);padding:20px 0 calc(20px + var(--sab));margin-top:20px}
.foot-links{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;margin-bottom:8px}
.copy{margin:0;font-size:11.5px;color:var(--muted)}

/* NGワードモーダル */
dialog.ng{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);color:var(--text);max-width:420px;width:92%;padding:16px}
dialog.ng::backdrop{background:rgba(0,0,0,.45)}
dialog.ng textarea{width:100%;min-height:130px;background:var(--panel-2);color:var(--text);border:1px solid var(--line);border-radius:6px;padding:8px;font-family:inherit}
.dlg-row{display:flex;gap:8px;justify-content:flex-end;margin-top:10px}

@media (max-width:640px){
  .head-row{height:auto;gap:8px;flex-wrap:wrap;padding:8px 0}
  .brand-text small{display:none}
  .brand-text b{font-size:14px}
  .head-tools{margin-left:auto}
  .search{order:3;flex-basis:100%;max-width:none;margin-left:0}
  .thumb{width:74px;height:56px}
  .art-title{font-size:14px}
  .page-head h1{font-size:17px}
}

/* ---------- 急上昇バッジ ---------- */
.hot-badge{
  display:inline-flex;align-items:center;gap:2px;background:linear-gradient(135deg,#ff5f6d,#ff9a44);
  color:#fff;font-size:10.5px;font-weight:800;padding:1px 6px;border-radius:999px;margin-right:6px;
  vertical-align:middle;white-space:nowrap;
}

/* ---------- 通知ボタン ---------- */
#notifyBtn.on{background:var(--accent);color:#fff;border-color:var(--accent)}

/* ---------- 言語切替 ---------- */
.i18n-translate{
  flex:none;width:32px;border:0;border-right:1px solid var(--line);background:transparent;
  color:var(--muted);cursor:pointer;font-size:14px;line-height:1;display:none;align-items:center;justify-content:center;
}
:root[data-lang]:not([data-lang="ja"]) .i18n-translate{display:flex}
.i18n-translate:hover{background:var(--panel-2);color:var(--accent)}
dialog.lang{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);color:var(--text);max-width:280px;width:90%;padding:14px}
dialog.lang::backdrop{background:rgba(0,0,0,.45)}
.lang-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.lang-opt{display:flex;align-items:center;gap:8px;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2);color:var(--text);cursor:pointer;font-size:13px}
.lang-opt:hover{border-color:var(--accent)}
.lang-opt.on{border-color:var(--accent);background:var(--accent);color:#fff}
.lang-flag{font-size:18px}
.i18n-note{margin-top:10px;font-size:11px;color:var(--muted);display:none}
:root[data-lang]:not([data-lang="ja"]) .i18n-note{display:block}

/* ---------- マイページ(登録サイト運営者向け) ---------- */
.mypage-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin:14px 0}
.bar-chart{display:flex;align-items:flex-end;gap:4px;height:120px;margin:14px 0;padding:10px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
.bar-chart .bar{flex:1;background:var(--accent);border-radius:3px 3px 0 0;min-height:2px;position:relative}
.bar-chart .bar span{position:absolute;bottom:100%;left:50%;transform:translateX(-50%);font-size:10px;color:var(--muted);white-space:nowrap}
.bar-chart-labels{display:flex;gap:4px;font-size:10px;color:var(--muted);text-align:center}
.bar-chart-labels span{flex:1}

/* ---------- 管理画面：SNS投稿管理 ---------- */
.admin-tabs{display:flex;gap:6px;margin:0 0 16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.admin-tabs a{padding:9px 16px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--muted);font-size:13px;font-weight:700}
.admin-tabs a.on,.admin-tabs a:hover{background:var(--accent);border-color:var(--accent);color:#fff;text-decoration:none}
.sns-platform-card{display:grid;grid-template-columns:240px 1fr;gap:28px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:14px}
.sns-platform-card h2,.sns-workspace h2{font-size:15px;margin:0 0 4px}.sns-platform-card p,.sns-workspace header p{font-size:11.5px;color:var(--muted);margin:0}
.sns-platforms{display:flex;flex-wrap:wrap;gap:8px}.sns-platform{cursor:pointer}.sns-platform input{position:absolute;opacity:0;pointer-events:none}.sns-platform span{display:flex;align-items:center;gap:7px;padding:8px 11px;border:1px solid var(--line);border-radius:999px;background:var(--panel-2);font-size:12px;color:var(--muted)}
.sns-platform i{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--panel);font-style:normal;font-weight:800}.sns-platform input:checked+span{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--panel));color:var(--text)}.sns-platform input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.sns-follow-tools{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}.sns-profile-box,.sns-cta-box{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.sns-follow-tools header{margin-bottom:12px}.sns-follow-tools h2{font-size:15px;margin:0 0 4px}.sns-follow-tools header p{font-size:11.5px;color:var(--muted);margin:0}.sns-profile-box>label{display:grid;grid-template-columns:86px minmax(0,1fr) auto;gap:9px;align-items:center;padding:9px 0;border-top:1px solid var(--line)}.sns-profile-box>label>b{font-size:11px}.sns-profile-box textarea{width:100%;min-height:54px;resize:vertical;border:1px solid var(--line);border-radius:6px;background:var(--panel-2);color:var(--text);padding:8px;font:11.5px/1.55 inherit}.sns-cta-box>label{display:block;cursor:pointer}.sns-cta-box input{position:absolute;opacity:0}.sns-cta-box span{display:block;padding:9px 11px;border:1px solid var(--line);border-radius:7px;margin-top:7px;color:var(--muted);font-size:11.5px}.sns-cta-box span b{display:inline-block;min-width:68px;color:var(--text)}.sns-cta-box input:checked+span{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 9%,var(--panel));color:var(--text)}.sns-cta-box input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.sns-writing-rules{grid-column:1/-1;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.sns-writing-rules ol{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;list-style:none;margin:0;padding:0;counter-reset:writing}.sns-writing-rules li{counter-increment:writing;padding:11px;border:1px solid var(--line);border-radius:7px;background:var(--panel-2)}.sns-writing-rules li:before{content:"0" counter(writing);display:block;color:var(--accent);font-size:10px;font-weight:800}.sns-writing-rules li b{display:block;font-size:12px;margin:3px 0}.sns-writing-rules li span{display:block;color:var(--muted);font-size:10.5px;line-height:1.55}.sns-writing-rules>a{display:inline-block;margin-top:10px;color:var(--accent);font-size:10.5px}
.sns-workspace{display:grid;grid-template-columns:minmax(420px,.9fr) minmax(440px,1.1fr);gap:14px;align-items:start}.sns-workspace>.card{padding:0;overflow:hidden}.sns-workspace>.card>header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line)}
.sns-article-list{max-height:760px;overflow:auto}.sns-article-row{display:grid;grid-template-columns:22px 28px minmax(0,1fr) 70px;gap:10px;align-items:center;padding:12px 15px;border-bottom:1px solid var(--line);cursor:pointer}.sns-article-row:hover{background:var(--panel-2)}.sns-article-row:has(input:checked){background:color-mix(in srgb,var(--accent) 8%,var(--panel))}.sns-article-check{width:17px;height:17px;accent-color:var(--accent)}.sns-rank{color:var(--muted);font-size:12px;text-align:center}.sns-article-copy{min-width:0}.sns-article-copy strong{display:block;font-size:13px;line-height:1.5}.sns-article-copy small{display:block;color:var(--muted);font-size:10.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}.sns-clicks{text-align:right;color:var(--muted);font-size:9.5px}.sns-clicks b{display:block;color:var(--accent);font-size:16px;line-height:1.2}
.sns-composer{position:sticky;top:10px}.sns-previews{max-height:760px;overflow:auto;padding:12px;background:var(--panel-2)}.sns-preview-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:10px}.sns-preview-card:last-child{margin-bottom:0}.sns-preview-card header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}.sns-preview-card header div{min-width:0}.sns-preview-card header b{display:block;font-size:12px;color:var(--accent)}.sns-preview-card header small{display:block;color:var(--muted);font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sns-preview-card textarea{display:block;width:100%;resize:vertical;border:1px solid var(--line);border-radius:6px;background:var(--panel-2);color:var(--text);padding:10px;font:12px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace}.sns-preview-empty{padding:50px 16px;text-align:center;color:var(--muted);font-size:13px}.sns-future-note{margin:14px 2px;color:var(--muted);font-size:11.5px}
@media(max-width:980px){.sns-platform-card,.sns-follow-tools{grid-template-columns:1fr}.sns-writing-rules ol{grid-template-columns:repeat(2,1fr)}.sns-workspace{grid-template-columns:1fr}.sns-composer{position:static}}
@media(max-width:600px){.admin-tabs a{flex:1;text-align:center;padding:8px}.sns-article-row{grid-template-columns:20px 22px minmax(0,1fr) 54px;padding:11px 9px;gap:7px}.sns-clicks b{font-size:14px}.sns-platform-card{padding:14px}.sns-workspace>.card>header{align-items:flex-start;flex-direction:column}.sns-workspace>.card>header>div:last-child{width:100%}.sns-profile-box>label{grid-template-columns:1fr}.sns-profile-box>label .btn{justify-self:start}.sns-writing-rules ol{grid-template-columns:1fr}}

:root[data-theme="dark"],
:root:not([data-theme="light"]) { }
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#1c1420; --panel:#241b26; --panel-2:#2e2130; --line:#3a2c3d;
    --text:#f3e9f0; --muted:#b09eb5; --link:#ff9dbc; --visited:#7c6b81;
    --shadow:0 1px 2px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"]{
  --bg:#1c1420; --panel:#241b26; --panel-2:#2e2130; --line:#3a2c3d;
  --text:#f3e9f0; --muted:#b09eb5; --link:#ff9dbc; --visited:#7c6b81;
  --shadow:0 1px 2px rgba(0,0,0,.4);
}

/* =====================================================================
   ここから KOI LAB. のトップページ専用スタイル（app/KoiHome.php が出力する
   .kh- 接頭辞のクラスだけを対象にする）。_original_mockup/styles.css の
   世界観をベースに、上記の共通デザインシステムへ統合している。
   ===================================================================== */
.kh-kicker{font-size:10px;letter-spacing:.18em;font-weight:700;color:#d94772;margin:0 0 12px;display:flex;align-items:center;gap:10px}
.kh-kicker span{width:24px;height:2px;background:#f65f8c;display:inline-block}
.kh-kicker.light{color:#ffd2e2}
.kh-kicker:before{content:"●";display:inline-block;margin-right:5px;color:#8cc8eb;font-size:8px}
.kh-kicker.light:before{color:#fff0a6}

.kh-hero{position:relative;overflow:hidden;background:#eaf5ff;padding-top:18px}
.kh-hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;padding:28px 0 108px}
.kh-hero-photo{border-radius:56px 0 0 56px;min-height:420px;background-size:cover;background-position:center;order:2;position:relative}
.kh-hero-photo:after{content:"";position:absolute;width:78px;height:78px;background:#f65f8c;border:9px solid #fff7fa;border-radius:50%;right:6%;bottom:-32px}
.kh-hero-content{order:1;position:relative}
.kh-hero-content h1{font:700 clamp(28px,4.2vw,44px)/1.4 "M PLUS Rounded 1c","Noto Sans JP",sans-serif;letter-spacing:.03em;margin:0 0 18px;color:#3f4650}
.kh-hero-content h1 em{font-style:normal;color:#d94772;position:relative}
.kh-hero-content h1 em:after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:5px;background:#fff0a6;border-radius:10px;z-index:-1}
.kh-hero-copy{font-size:13.5px;line-height:2;color:#675b6d;margin:0 0 22px;max-width:46ch}
.kh-hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:22px}
.kh-btn{display:inline-flex;align-items:center;padding:13px 22px;font-size:12.5px;font-weight:700;border-radius:999px;border:0;cursor:pointer}
.kh-btn.primary{background:#4f82ad;color:#fff}
.kh-btn.primary:hover{background:#3f719c;text-decoration:none;color:#fff}
.kh-btn span{margin-left:8px}
.kh-text-link{font-size:11.5px;font-weight:600;border-bottom:1px solid #a898ad;padding-bottom:3px;color:#3f4650}
.kh-lab-note{display:flex;align-items:center;gap:12px;max-width:320px;padding:11px 14px;background:#fff;border:1px solid #f1c9d7;border-radius:14px;transform:rotate(-1deg);box-shadow:4px 4px 0 #f8c9d8}
.kh-mark-mini{display:grid;place-items:center;width:38px;height:38px;flex:0 0 38px;background:#fff0a6;border-radius:50%;padding:7px}
.kh-mark-mini svg{width:100%;height:100%}
.kh-mark-mini .flask{fill:#fff;stroke:#3f4650;stroke-width:2.4}
.kh-mark-mini .liquid{fill:#ffe8ef}
.kh-mark-mini .heart{fill:#f65f8c}
.kh-mark-mini circle{fill:#8cc8eb}
.kh-lab-note p{margin:0;line-height:1.45}
.kh-lab-note small{display:block;font-size:8px;color:#d94772;letter-spacing:.08em}
.kh-lab-note b{font:700 10.5px/1.55 "M PLUS Rounded 1c",sans-serif;color:#3f4650}

.kh-trust-strip{position:absolute;left:0;right:0;bottom:0;z-index:4;background:#fff;border:1px solid var(--line);border-radius:22px 22px 0 0;display:grid;grid-template-columns:repeat(3,1fr);max-width:calc(var(--maxw) - 24px);margin:0 auto;padding:20px 26px;gap:20px;box-shadow:0 12px 30px rgba(63,70,80,.1)}
.kh-trust-strip div{display:flex;gap:10px;align-items:flex-start}
.kh-trust-strip div+div{border-left:1px solid var(--line);padding-left:18px}
.kh-trust-strip b{font:700 18px "M PLUS Rounded 1c",sans-serif;color:#f65f8c}
.kh-trust-strip span{font-size:9.5px;color:#7f7384;line-height:1.6}
.kh-trust-strip strong{display:block;color:#3f4650;font-size:11px}

.kh-quick-guide{padding:56px 0 8px;background:var(--bg)}
.kh-quick-guide h2{font:700 25px/1.5 "M PLUS Rounded 1c",sans-serif;margin:0 0 22px;color:#3f4650}
.kh-tile-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:9px}
.kh-tile{min-height:132px;display:flex;flex-direction:column;align-items:flex-start;padding:15px;border:1px solid var(--line);border-radius:16px;color:var(--text);background:var(--panel);box-shadow:0 8px 22px rgba(63,70,80,.06);transition:transform .16s ease,border-color .16s ease}
.kh-tile:hover{transform:translateY(-3px);border-color:#f0a9c1;text-decoration:none}
.kh-tile-icon{font-size:24px;line-height:1;margin-bottom:12px}
.kh-tile strong{font-size:13.5px;color:#a1265a}
.kh-tile small{margin-top:6px;color:var(--muted);font-size:10px;line-height:1.5}
@media (max-width:1000px){.kh-tile-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.kh-tile-grid{grid-template-columns:repeat(2,1fr);gap:7px}.kh-tile{min-height:118px;padding:12px}}

.kh-articles{padding:60px 0;background:#faf5f8}
.kh-section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.kh-section-heading h2{font:700 24px/1.5 "M PLUS Rounded 1c",sans-serif;margin:0;color:#3f4650}
.kh-section-heading.centered{justify-content:center;text-align:center}
.kh-section-heading.centered p:last-child{font-size:11px;color:var(--muted);margin-top:10px}
.kh-heading-note{font-size:10.5px;color:var(--muted);margin:6px 0 0}
.kh-more-link{font-size:11px;font-weight:600;border-bottom:1px solid #a898ad;padding-bottom:3px;color:#3f4650;white-space:nowrap}
.kh-more-link span{margin-left:6px}
.kh-article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.kh-article-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.2s}
.kh-article-card:hover{transform:translateY(-4px);box-shadow:0 14px 26px rgba(63,70,80,.1)}
.kh-article-card a{display:block;color:inherit}
.kh-article-card a:hover{text-decoration:none}
.kh-card-image{display:block;height:150px;background:linear-gradient(135deg,#e8f5ff,#ffe8ef);position:relative;overflow:hidden}
.kh-card-image img{width:100%;height:100%;object-fit:cover;display:block}
.kh-card-image.kh-noimg img{display:none}
.kh-card-image.cat-konkatsu{background:linear-gradient(135deg,#ffe8ef,#fff0a6)}
.kh-card-image.cat-deai{background:linear-gradient(135deg,#e8f5ff,#cfe8fb)}
.kh-card-image.cat-partnership{background:linear-gradient(135deg,#eaf5ff,#dcefff)}
.kh-card-image.cat-renai-nayami{background:linear-gradient(135deg,#f3e8ff,#ffe8ef)}
.kh-card-body{padding:16px}
.kh-card-meta{display:flex;justify-content:space-between;align-items:center;font-size:9.5px;color:#998e9d;margin-bottom:8px}
.kh-card-meta b{color:#d94772;font-weight:700}
.kh-card-body strong{display:block;font:700 14.5px/1.6 "M PLUS Rounded 1c",sans-serif;color:#3f4650;margin-bottom:8px}
.kh-card-source{font-size:10px;color:var(--muted)}
.kh-empty{color:var(--muted);font-size:13px;padding:24px 0}
@media (max-width:900px){.kh-article-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.kh-article-grid{grid-template-columns:1fr}}

.kh-promise{background:#4f82ad;color:#fff;position:relative;overflow:hidden;padding:70px 0}
.kh-promise:before,.kh-promise:after{content:"";position:absolute;border-radius:50%}
.kh-promise:before{width:230px;height:230px;background:#6394bb;left:-100px;bottom:-100px}
.kh-promise:after{width:140px;height:140px;border:26px solid #7da9ca;right:-56px;top:-50px}
.kh-promise-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:70px;position:relative;z-index:1}
.kh-promise-copy h2{font:700 26px/1.5 "M PLUS Rounded 1c",sans-serif;margin:0 0 14px}
.kh-promise-copy p{font-size:11.5px;color:#eaf2fa;max-width:440px;margin:0 0 18px}
.kh-promise-copy a{font-size:11px;color:#fff;border-bottom:1px solid #bcdcf1;padding-bottom:4px}
.kh-promise-points{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.kh-promise-points span{font:700 26px "M PLUS Rounded 1c",sans-serif;color:#dcefff}
.kh-promise-points h3{font:700 14.5px "M PLUS Rounded 1c",sans-serif;margin:8px 0;border-top:1px solid #8db3cf;padding-top:14px;color:#fff}
.kh-promise-points p{font-size:9.5px;color:#e3eefa;margin:0}
@media(max-width:900px){.kh-promise-grid{grid-template-columns:1fr;gap:36px}.kh-promise-points{grid-template-columns:1fr;gap:14px}}

.kh-services{padding:64px 0;background:var(--bg)}
.kh-service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.kh-service-grid a{background:var(--panel);border:1px solid var(--line);padding:26px;text-align:center;border-radius:18px;transition:.2s;display:block;position:relative;color:inherit}
.kh-service-grid a:hover{transform:translateY(-4px);border-color:#d8b7ca;text-decoration:none}
.kh-service-badge{display:inline-block;background:#ffe8ef;color:#d94772;font-size:9.5px;font-weight:700;padding:4px 10px;border-radius:999px;margin-bottom:12px}
.kh-service-grid h3{font:700 16.5px "M PLUS Rounded 1c",sans-serif;margin:0 0 6px;color:#3f4650}
.kh-service-grid p{font-size:10.5px;color:var(--muted);margin:0 0 10px}
.kh-service-grid b{font-size:10px;color:#d94772}
.kh-ad-note{text-align:center;color:#998e9d;font-size:9.5px;margin-top:20px}
@media(max-width:900px){.kh-service-grid{grid-template-columns:1fr}}

.kh-cta{background:#ffe8ef;padding:56px 0}
.kh-cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.kh-cta-inner h2{font:700 23px/1.5 "M PLUS Rounded 1c",sans-serif;margin:0 0 8px;color:#3f4650}
.kh-cta-inner p{font-size:11px;color:var(--muted);margin:0}
.kh-cta-action{text-align:left}
.kh-cta-note{font-size:10px;color:#918496;margin:8px 0 0}
@media(max-width:900px){.kh-cta-inner{grid-template-columns:1fr;gap:20px}}