/* ============================================================
   Theme C — しおり・エディトリアル風（大きな写真・章番号・余白・明朝）
   ============================================================ */
:root{
  --bg:#F6F3EC;
  --bg-card:#FFFDF9;
  --ink:#2A2925;
  --ink-soft:#6F6B62;
  --line:#D9D3C6;
  --line-soft:#EAE5DA;
  --accent:#4E6B4F;
  --accent-deep:#3B533C;
  --accent-soft:#E6ECE3;
  --indigo:#2F4A6D;
  --green:#4E6B4F; --green-soft:#E6ECE3;
  --red:#9E4B44;   --red-soft:#F1E3E0;
  --blue:#2F4A6D;  --blue-soft:#E1E7EE;
  --purple:#6B5B7B;--purple-soft:#EAE5EE;
  --yellow:#F1EAD3;
  --radius:3px;
  --font-display:"Shippori Mincho","Noto Serif JP","Noto Serif SC",serif;
  --font-body:"Noto Serif JP","Shippori Mincho","Noto Serif SC",serif;
  --font-latin:"Cormorant Garamond","Shippori Mincho",serif;
}
html[data-lang="zh"]{--font-body:"Noto Serif SC","Noto Serif JP",serif;--font-display:"Noto Serif SC","Shippori Mincho",serif;}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);color:var(--ink);background:var(--bg);
  line-height:1.9;font-size:16px;-webkit-font-smoothing:antialiased;
}
a{color:var(--accent-deep);}
button{font-family:inherit;cursor:pointer;}
img{max-width:100%;}
.li{display:inline-block;flex:none;vertical-align:middle;}
svg.li{stroke-width:1.6;}
.overline{
  font-family:var(--font-latin);font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft);
}
html[data-lang="ja"] .overline,html[data-lang="zh"] .overline{letter-spacing:.18em;}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(246,243,236,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.header-inner{max-width:1120px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:18px;}
.menu-btn{
  width:40px;height:40px;border-radius:var(--radius);border:1px solid var(--line);background:transparent;color:var(--ink);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.menu-btn:hover{background:#fff;}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--ink);margin-right:auto;}
.brand-mark{display:flex;color:var(--accent);align-self:center;}
.brand-mark svg{width:22px;height:22px;stroke-width:1.5;}
.brand-name{font-family:var(--font-display);font-weight:600;font-size:1.2rem;letter-spacing:.1em;}
.brand-sub{font-family:var(--font-latin);font-style:italic;font-size:1rem;color:var(--ink-soft);}
.demo-badge{
  font-family:var(--font-latin);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);
  border:1px solid var(--line);padding:1px 8px;border-radius:2px;align-self:center;
}
.lang-switch{display:flex;gap:2px;}
.lang-btn{
  border:none;background:none;padding:4px 10px;font-size:.88rem;color:var(--ink-soft);font-family:var(--font-display);
  border-bottom:1px solid transparent;border-radius:0;letter-spacing:.04em;
}
.lang-btn.active{color:var(--ink);border-bottom-color:var(--ink);}

/* demo notice */
.demo-bar{background:var(--yellow);color:#5E5636;font-size:.74rem;line-height:1.5;text-align:center;padding:5px 14px;border-bottom:1px solid var(--line);}

/* ===== Drawer ===== */
.drawer-overlay{position:fixed;inset:0;background:rgba(42,41,37,.35);z-index:60;}
.drawer-overlay[hidden]{display:none;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:min(320px,86vw);background:var(--bg);z-index:70;
  transform:translateX(-105%);transition:transform .25s ease;overflow-y:auto;border-right:1px solid var(--line);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;gap:10px;padding:18px 20px;border-bottom:1px solid var(--line);}
.drawer-head .brand-mark svg{width:20px;height:20px;}
.drawer-title{font-family:var(--font-display);font-weight:600;font-size:1.05rem;flex:1;letter-spacing:.08em;}
.drawer-close{background:none;border:none;color:var(--ink-soft);display:flex;padding:6px;}
#drawerNav{padding:10px 20px 30px;}
.drawer-group{font-family:var(--font-latin);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);margin:22px 0 6px;}
html[data-lang="ja"] .drawer-group,html[data-lang="zh"] .drawer-group{font-family:var(--font-display);text-transform:none;letter-spacing:.12em;}
.drawer-item{
  display:flex;align-items:center;gap:12px;padding:10px 0 10px 12px;text-decoration:none;color:var(--ink);font-size:.95rem;
  border-left:2px solid transparent;font-family:var(--font-display);
}
.drawer-item svg{flex:none;color:var(--ink-soft);width:18px;height:18px;}
.drawer-item:hover{color:var(--accent-deep);}
.drawer-item.active{border-left-color:var(--accent);color:var(--accent-deep);}

/* ===== Hero (editorial) ===== */
.hero{max-width:1120px;margin:0 auto;padding:36px 24px 0;}
.hero[hidden]{display:none;}
.ed-hero{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center;}
.ed-photo{margin:0;}
.ed-photo img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);cursor:zoom-in;}
.ed-photo figcaption,.ed-spread figcaption,.chap-photo figcaption{
  font-family:var(--font-latin);font-style:italic;font-size:.95rem;color:var(--ink-soft);margin-top:8px;letter-spacing:.02em;
}
html[data-lang="ja"] figcaption,html[data-lang="zh"] figcaption{font-family:var(--font-display);font-style:normal;font-size:.8rem;letter-spacing:.08em;}
.ed-intro{padding:8px 0;}
.ed-intro h1{font-family:var(--font-display);font-weight:600;font-size:clamp(2.2rem,4.6vw,3.4rem);line-height:1.2;letter-spacing:.04em;margin:10px 0 14px;}
.ed-kana{font-family:var(--font-display);font-size:1.05rem;letter-spacing:.3em;color:var(--ink-soft);margin:-8px 0 16px;}
.ed-lead{font-size:.98rem;line-height:2.05;color:var(--ink);max-width:520px;}
.ed-host{display:flex;align-items:center;gap:12px;margin-top:22px;}
.host-avatar{width:56px;height:56px;border-radius:50%;object-fit:cover;object-position:top;background:#fff;border:1px solid var(--line);flex:none;}
.ed-host span{font-family:var(--font-display);font-size:.85rem;letter-spacing:.14em;color:var(--ink-soft);}
.ed-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:48px;}
.fact{border-top:1px solid var(--ink);padding-top:12px;}
.f-label{font-family:var(--font-latin);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);}
html[data-lang="ja"] .f-label,html[data-lang="zh"] .f-label{font-family:var(--font-display);text-transform:none;letter-spacing:.14em;}
.f-value{font-family:var(--font-display);font-size:1.15rem;font-weight:500;margin-top:4px;line-height:1.5;}
.f-value.f-small{font-size:.92rem;}
.f-sep{color:var(--ink-soft);font-weight:400;padding:0 2px;}
.f-note{font-size:.82rem;color:var(--ink-soft);}
.f-link{display:inline-block;font-size:.82rem;margin-top:4px;text-decoration:none;border-bottom:1px solid var(--line);}
.f-link:hover{border-bottom-color:var(--accent);}
.ed-notes{max-width:860px;margin:36px auto 0;display:flex;flex-direction:column;gap:14px;}
.note-strip{
  display:flex;gap:12px;align-items:flex-start;font-size:.92rem;line-height:1.85;padding:6px 0 6px 18px;border-left:2px solid var(--accent);
}
.note-strip.tone-red{border-left-color:var(--red);} .note-strip.tone-purple{border-left-color:var(--purple);} .note-strip.tone-blue{border-left-color:var(--blue);}
.note-strip .ns-icon{color:var(--ink-soft);margin-top:3px;display:flex;}
.note-strip svg{flex:none;margin-top:4px;color:var(--ink-soft);}
.ed-spread{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin:48px auto 0;max-width:860px;}
.ed-spread figure{margin:0;}
.ed-spread img{display:block;width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--radius);cursor:zoom-in;}

/* ===== Contents (table of contents) ===== */
#content{max-width:1120px;margin:0 auto;padding:24px 24px 72px;}
.home-menu{padding-top:40px;max-width:860px;margin:0 auto;}
.toc-head{border-bottom:1px solid var(--ink);padding-bottom:10px;}
.toc-group{margin-top:28px;}
.group-title{font-family:var(--font-display);font-size:.95rem;letter-spacing:.14em;color:var(--ink-soft);margin:0 0 4px;}
.toc-row{
  display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);
  text-decoration:none;color:var(--ink);transition:background .15s;
}
.toc-row:hover{background:rgba(255,255,255,.55);}
.toc-num{font-family:var(--font-latin);font-size:1.7rem;font-weight:500;color:var(--accent);line-height:1;}
.toc-text{display:flex;flex-direction:column;gap:2px;min-width:0;}
.toc-title{font-family:var(--font-display);font-size:1.12rem;font-weight:500;letter-spacing:.04em;}
.toc-desc{font-size:.82rem;color:var(--ink-soft);line-height:1.6;}
.toc-icon{color:var(--ink-soft);display:flex;}
.toc-icon svg{width:20px;height:20px;}

/* ===== Section pages ===== */
.back-btn{
  display:inline-flex;align-items:center;gap:4px;text-decoration:none;font-family:var(--font-display);font-size:.85rem;letter-spacing:.1em;color:var(--ink-soft);
}
.back-btn:hover{color:var(--accent-deep);}
.section.page{padding-top:26px;max-width:960px;margin:0 auto;}
.section-head{display:flex;align-items:flex-end;gap:22px;margin:26px 0 22px;padding-bottom:18px;border-bottom:1px solid var(--ink);}
.chap-num{font-family:var(--font-latin);font-size:3.4rem;font-weight:400;line-height:.9;color:var(--accent);flex:none;}
.chap-num .chap-of{font-size:1rem;color:var(--ink-soft);margin-left:6px;letter-spacing:.06em;}
.section-head h2{font-family:var(--font-display);font-weight:600;font-size:1.8rem;line-height:1.3;letter-spacing:.04em;}
.section-head .s-sub{font-size:.88rem;color:var(--ink-soft);margin-top:2px;}
.chap-photo{margin:0 0 30px;}
.chap-photo img{display:block;width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:var(--radius);cursor:zoom-in;}
.section-intro{color:var(--ink-soft);font-size:.93rem;margin-bottom:22px;max-width:680px;}
.prevnext{display:flex;justify-content:space-between;gap:12px;margin-top:48px;padding-top:18px;border-top:1px solid var(--line);}
.pn{display:inline-flex;align-items:center;gap:6px;text-decoration:none;color:var(--ink);font-family:var(--font-display);font-size:.9rem;letter-spacing:.06em;max-width:48%;}
.pn span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pn:hover{color:var(--accent-deep);}
.pn svg{flex:none;color:var(--accent);}

/* cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;}
.card{position:relative;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px 20px;scroll-margin-top:84px;}
@keyframes cardFlash{0%{box-shadow:0 0 0 3px var(--accent-soft);}100%{box-shadow:none;}}
.card.flash{animation:cardFlash 1.5s ease;}
.card-title{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:1.06rem;margin-bottom:10px;letter-spacing:.03em;}
.card-title .c-icon{flex:none;display:flex;color:var(--accent);}
.card-title .c-icon svg{width:22px;height:22px;}
.card.tone-red .c-icon{color:var(--red);} .card.tone-green .c-icon{color:var(--green);}
.card.tone-blue .c-icon{color:var(--blue);} .card.tone-purple .c-icon{color:var(--purple);}
.card-body{font-size:.92rem;color:var(--ink-soft);}
.card-body strong{color:var(--ink);font-weight:600;}
.card-body ul{padding-left:1.2em;margin:6px 0;}
.card-body ol{padding-left:1.3em;margin:6px 0;}
.card-body li{margin:3px 0;}
.card-body .big,.big{font-family:var(--font-latin);font-size:2rem;font-weight:500;color:var(--ink);line-height:1.2;}
.card-img{width:100%;border-radius:var(--radius);margin:8px 0;display:block;}
.steps{display:flex;flex-direction:column;gap:14px;margin-top:10px;}
.step{display:flex;gap:14px;align-items:flex-start;}
.step-num{flex:none;font-family:var(--font-latin);font-size:1.3rem;color:var(--accent);width:26px;}
.step-body{flex:1;}
.step-body img{width:100%;border-radius:var(--radius);margin-top:8px;display:block;cursor:zoom-in;}
.faq-a-inner img.faq-img{width:100%;max-width:420px;border-radius:var(--radius);margin-top:10px;display:block;cursor:zoom-in;}
.lightbox{position:fixed;inset:0;background:rgba(30,28,24,.88);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;cursor:zoom-out;}
.lightbox img{max-width:100%;max-height:100%;border-radius:2px;background:#fff;padding:6px;}
.lightbox[hidden]{display:none;}

/* callout diagram (labels beside a product photo, with leader lines) */
.callout{position:relative;display:grid;grid-template-columns:1fr minmax(120px,38%) 1fr;margin:12px 0 10px;min-height:220px;}
.callout .co-img{grid-column:2;align-self:start;}
.callout .co-img img{display:block;width:100%;height:auto;border-radius:var(--radius);cursor:zoom-in;}
.co-label{
  position:absolute;width:calc(31% - 6px);display:flex;gap:7px;align-items:flex-start;background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--radius);padding:5px 9px;font-size:.78rem;line-height:1.5;color:var(--ink);z-index:2;
}
.co-label.left{left:0;flex-direction:row-reverse;text-align:right;}
.co-label.right{right:0;}
.co-label b{flex:none;font-family:var(--font-latin);font-size:1rem;font-weight:600;color:var(--accent);line-height:1.2;}
.co-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1;}
.co-lines path{stroke:var(--ink-soft);stroke-width:1;fill:none;}
.co-lines circle{fill:var(--accent);stroke:#fff;stroke-width:1.5;}
.card-grid:has(.callout){grid-template-columns:1fr;}
.card .pin-photo,.card .pin-legend{display:none;}
@media (max-width:640px){
  .card .callout{display:none;}
  .card .pin-photo{display:block;} .card .pin-legend{display:flex;}
}
.pin-photo{position:relative;margin:10px 0 8px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.pin-photo img{display:block;width:100%;height:auto;cursor:zoom-in;}
.pin{
  position:absolute;width:24px;height:24px;margin:-12px 0 0 -12px;border-radius:50%;background:var(--accent);color:#fff;
  font-family:var(--font-latin);font-size:.85rem;font-weight:600;display:flex;align-items:center;justify-content:center;border:1.5px solid #fff;box-shadow:0 1px 6px rgba(0,0,0,.25);
}
.pin-legend{list-style:none;padding:0;margin:0 0 8px;display:flex;flex-direction:column;gap:5px;font-size:.88rem;}
.pin-legend li{display:flex;gap:8px;align-items:flex-start;color:var(--ink);}
.pin-legend li b{flex:none;font-family:var(--font-latin);font-size:1rem;font-weight:600;color:var(--accent);width:18px;}

/* wifi */
.wifi-wrap{display:flex;flex-wrap:wrap;gap:20px;}
.wifi-main{flex:2 1 300px;}
.wifi-qr{
  flex:1 1 200px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;align-items:center;gap:10px;
  font-size:.85rem;color:var(--ink-soft);text-align:center;
}
.wifi-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--line-soft);}
.wifi-row:last-child{border-bottom:none;}
.wifi-row .w-label{font-family:var(--font-latin);font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft);}
.wifi-row .w-value{font-family:var(--font-display);font-weight:500;font-size:1.1rem;letter-spacing:.03em;}
.copy-btn{
  display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:var(--radius);
  padding:5px 12px;font-size:.8rem;font-family:var(--font-display);letter-spacing:.06em;
}
.copy-btn:hover{background:#fff;border-color:var(--ink);}
.copy-btn.copied{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-deep);}

/* FAQ */
.faq-group{margin-bottom:34px;}
.faq-group-title{display:flex;align-items:center;gap:8px;font-family:var(--font-display);font-weight:600;font-size:1rem;letter-spacing:.1em;margin-bottom:6px;color:var(--ink);}
.faq-group-title .c-icon{display:flex;color:var(--accent);}
.faq-group-title .c-icon svg{width:18px;height:18px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;background:none;border:none;text-align:left;
  padding:16px 0;font-size:.98rem;font-weight:500;color:var(--ink);font-family:var(--font-display);letter-spacing:.02em;
}
.faq-q .chev{flex:none;transition:transform .25s;color:var(--ink-soft);display:flex;}
.faq-item.open .chev{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;font-size:.9rem;color:var(--ink-soft);}
.faq-a-inner{padding:0 0 20px;}
.faq-a-inner ul{padding-left:1.2em;margin:6px 0;}
.faq-a-inner .addr-pin{background:var(--accent-soft);border-radius:var(--radius);padding:8px 14px;margin-top:10px;font-weight:500;color:var(--ink);display:block;}

/* Place cards */
.place-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:34px 26px;}
.place-card{display:flex;flex-direction:column;gap:4px;}
.place-photo{width:100%;margin:0 0 10px;display:block;aspect-ratio:4/3;object-fit:cover;cursor:zoom-in;border-radius:var(--radius);}
.place-tags{display:flex;gap:10px;flex-wrap:wrap;font-family:var(--font-latin);font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);}
html[data-lang="ja"] .place-tags,html[data-lang="zh"] .place-tags{font-family:var(--font-display);text-transform:none;letter-spacing:.08em;font-size:.76rem;}
.tag{white-space:nowrap;}
.tag + .tag::before{content:"·";margin-right:10px;color:var(--line);}
.place-name{font-family:var(--font-display);font-weight:600;font-size:1.08rem;letter-spacing:.03em;}
.place-addr{font-size:.8rem;color:var(--ink-soft);line-height:1.6;}
.place-links{margin-top:auto;padding-top:8px;display:flex;gap:16px;font-size:.82rem;}
.place-links a{display:inline-flex;align-items:center;gap:4px;text-decoration:none;border-bottom:1px solid var(--line);}
.place-links a:hover{border-bottom-color:var(--accent);}

/* Transportation */
.route-list{display:flex;flex-direction:column;margin-top:8px;}
.route-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:7px 2px;border-bottom:1px solid var(--line-soft);font-size:.9rem;}
.route-row .r-dest{font-weight:500;color:var(--ink);}
.route-row .r-time{font-family:var(--font-latin);font-size:1.05rem;color:var(--accent-deep);white-space:nowrap;}
.route-row .r-via{font-size:.75rem;color:var(--ink-soft);}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:44px 24px 110px;text-align:center;}
.footer-inner{max-width:640px;margin:0 auto;}
.footer-copy{font-size:.75rem;color:var(--ink-soft);letter-spacing:.04em;}

/* ===== Chatbot ===== */
.chat-fab-wrap{position:fixed;right:22px;bottom:22px;z-index:90;display:flex;align-items:center;gap:10px;}
.chat-fab-label{font-family:var(--font-display);font-size:.82rem;letter-spacing:.06em;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:6px 12px;color:var(--ink);}
.chat-fab-label:empty{display:none;}
.chat-fab{width:56px;height:56px;border-radius:8px;border:none;background:var(--ink);color:var(--bg);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(42,41,37,.25);transition:transform .15s;}
.chat-fab svg{width:24px;height:24px;}
.chat-fab:hover{transform:translateY(-2px);}
.chat-panel{
  position:fixed;right:22px;bottom:90px;z-index:95;width:min(380px,calc(100vw - 32px));height:min(560px,calc(100vh - 130px));
  background:var(--bg);border-radius:6px;box-shadow:0 12px 40px rgba(42,41,37,.25);display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--line);
}
.chat-panel[hidden]{display:none;}
.chat-header{background:var(--bg-card);color:var(--ink);padding:12px 16px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);}
.chat-header-title{display:flex;gap:10px;align-items:center;}
.chat-avatar{display:flex;} .chat-avatar img{width:36px;height:36px;border-radius:50%;object-fit:cover;object-position:top;border:1px solid var(--line);background:#fff;}
.chat-title{font-family:var(--font-display);font-weight:600;font-size:.95rem;line-height:1.3;letter-spacing:.06em;}
.chat-subtitle{font-size:.73rem;color:var(--ink-soft);}
.chat-close{background:none;border:none;color:var(--ink-soft);display:flex;padding:4px;}
.chat-messages{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:10px;}
.msg{max-width:86%;padding:10px 14px;border-radius:4px;font-size:.88rem;line-height:1.7;white-space:pre-wrap;overflow-wrap:break-word;}
.msg a{overflow-wrap:anywhere;}
.msg.bot{background:var(--bg-card);border:1px solid var(--line);align-self:flex-start;color:var(--ink);}
.msg.user{background:var(--ink);color:var(--bg);align-self:flex-end;}
.msg.typing{color:var(--ink-soft);font-style:italic;}
.chat-suggestions{display:flex;gap:6px;overflow-x:auto;padding:8px 12px;scrollbar-width:none;border-top:1px solid var(--line);}
.chat-suggestions::-webkit-scrollbar{display:none;}
.sugg-chip{flex:none;border:1px solid var(--line);color:var(--ink);background:var(--bg-card);border-radius:var(--radius);padding:5px 12px;font-size:.78rem;font-family:var(--font-display);}
.sugg-chip:hover{border-color:var(--ink);}
.chat-input-row{display:flex;gap:8px;padding:10px 12px;background:var(--bg-card);border-top:1px solid var(--line);}
.chat-input-row input{flex:1;border:1px solid var(--line);border-radius:var(--radius);padding:9px 12px;font-size:.9rem;font-family:inherit;background:#fff;color:var(--ink);outline:none;}
.chat-input-row input:focus{border-color:var(--ink);}
.chat-send{flex:none;width:40px;height:40px;border-radius:var(--radius);border:none;background:var(--ink);color:var(--bg);display:flex;align-items:center;justify-content:center;}
.chat-send svg{width:18px;height:18px;}

/* ===== Responsive ===== */
@media (max-width:900px){
  .ed-hero{grid-template-columns:1fr;gap:26px;}
  .ed-lead{max-width:none;}
  .ed-facts{gap:20px;margin-top:36px;}
}
@media (max-width:640px){
  .ed-facts{grid-template-columns:1fr;gap:14px;}
  .fact{padding-top:10px;}
  .ed-spread{gap:14px;margin-top:36px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .chap-num{font-size:2.6rem;}
  .section-head h2{font-size:1.45rem;}
  .toc-row{grid-template-columns:44px 1fr auto;gap:12px;padding:14px 0;}
  .toc-num{font-size:1.4rem;}
  .toc-title{font-size:1.02rem;}
}
@media (max-width:560px){
  body{font-size:15px;}
  .header-inner{gap:10px;padding:10px 14px;}
  .brand-name{font-size:1.02rem;white-space:nowrap;letter-spacing:.06em;}
  .brand-sub,.demo-badge{display:none;}
  .menu-btn{width:36px;height:36px;}
  .lang-btn{padding:4px 6px;font-size:.8rem;}
  .hero{padding:22px 16px 0;}
  #content{padding:16px 16px 60px;}
  .chat-panel{right:16px;}
  .chat-fab-label{display:none;}
  .toc-icon{display:none;}
  .ed-intro h1{font-size:2rem;}
}

/* long values (e.g. a very long Wi-Fi password) must wrap inside their block */
.fact, .wifi-row > div{min-width:0;}
.f-value, .f-note, .wifi-row .w-value{overflow-wrap:anywhere;word-break:break-word;}

/* live WiFi QR (generated from the sheet values) */
.wifi-qr-code{width:150px;height:150px;background:#fff;border-radius:8px;padding:4px;}
.wifi-qr-code svg{width:100%;height:100%;display:block;}