:root{
  --sumi:#181310;        /* 備長炭 */
  --sumi-2:#221B16;      /* 炭の陰 */
  --tare:#B47A33;        /* 継ぎ足しのタレ */
  --hi:#D4562E;          /* 熾火 */
  --hai:#8C8377;         /* 灰 */
  --washi:#EFE7D9;       /* 和紙 */
  --line:#3A3028;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--sumi);
  color:var(--washi);
  font-family:"Zen Kaku Gothic New",sans-serif;
  font-size:16px;line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.serif{font-family:"Shippori Mincho",serif}
img{max-width:100%;display:block}
a{color:var(--tare);text-decoration:none}

/* ───── header ───── */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 20px;
  background:linear-gradient(to bottom,rgba(24,19,16,.92),rgba(24,19,16,0));
}
.logo{font-family:"Shippori Mincho",serif;font-size:20px;font-weight:700;letter-spacing:.35em;color:var(--washi)}
.logo small{display:block;font-size:9px;letter-spacing:.5em;color:var(--tare);font-weight:500}
nav{display:flex;gap:18px;font-size:12px;letter-spacing:.15em}
nav a{color:var(--washi);opacity:.75}
nav a:hover{opacity:1;color:var(--tare)}
@media(max-width:640px){nav{display:none}}

/* ───── hero ───── */
.hero{
  min-height:100svh;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(ellipse 70% 45% at 50% 108%, rgba(212,86,46,.28), transparent 65%),
    radial-gradient(ellipse 45% 30% at 50% 112%, rgba(212,140,46,.22), transparent 60%),
    var(--sumi);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:radial-gradient(rgba(239,231,217,.05) 1px,transparent 1px);
  background-size:22px 22px;
}
.hero-inner{position:relative;z-index:2;display:flex;align-items:center;gap:8vw;padding:0 24px}
.tate{
  writing-mode:vertical-rl;
  font-family:"Shippori Mincho",serif;
  font-size:clamp(28px,5.5vw,52px);
  font-weight:600;letter-spacing:.3em;line-height:2;
  height:clamp(300px,55vh,480px);
  border-right:1px solid var(--line);
  padding-right:28px;
  animation:rise 1.4s ease both;
}
.tate em{font-style:normal;color:var(--tare)}
.hero-side{max-width:300px;animation:rise 1.4s .25s ease both}
.hero-side .en{font-size:10px;letter-spacing:.6em;color:var(--hai);margin-bottom:12px}
.hero-side h1{font-size:clamp(30px,4vw,40px);font-weight:700;letter-spacing:.2em;margin-bottom:14px}
.hero-side p{font-size:13px;color:var(--hai);margin-bottom:26px}
.status{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.1em;color:var(--washi);
  border:1px solid var(--line);border-radius:999px;padding:7px 16px;
}
.status .dot{width:7px;height:7px;border-radius:50%;background:var(--hi);animation:ember 2.2s ease-in-out infinite}
@keyframes ember{0%,100%{opacity:1;box-shadow:0 0 6px rgba(212,86,46,.8)}50%{opacity:.45;box-shadow:none}}
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media(max-width:640px){
  .hero-inner{gap:9vw}
  .tate{height:60vh;padding-right:18px}
}

/* ───── sections ───── */
section{max-width:880px;margin:0 auto;padding:90px 24px}
.eyebrow{font-size:11px;letter-spacing:.55em;color:var(--tare);margin-bottom:10px}
h2{font-size:clamp(24px,3.4vw,32px);font-weight:600;letter-spacing:.18em;margin-bottom:34px}
.lead{color:var(--hai);font-size:14.5px;max-width:560px}

/* こだわり */
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:44px}
.pillar{background:var(--sumi-2);padding:34px 26px}
.pillar h3{font-size:17px;letter-spacing:.2em;margin-bottom:12px;color:var(--washi)}
.pillar h3::before{content:"─ ";color:var(--tare)}
.pillar p{font-size:13.5px;color:var(--hai)}

/* menu */
.menu-note{font-size:11.5px;color:var(--hai);margin-bottom:26px;border-left:2px solid var(--tare);padding-left:12px}
.menu-group{margin-bottom:40px}
.menu-group h3{font-size:15px;letter-spacing:.3em;color:var(--tare);margin-bottom:18px}
.mrow{display:flex;align-items:baseline;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.mrow .nm{letter-spacing:.08em}
.mrow .dots{flex:1;border-bottom:1px dotted rgba(140,131,119,.35);transform:translateY(-4px)}
.mrow .pr{font-family:"Shippori Mincho",serif;color:var(--washi);letter-spacing:.05em;white-space:nowrap}

/* info */
.info-grid{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
.irow{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:16px 4px;border-bottom:1px solid var(--line);font-size:14px}
.irow dt{color:var(--tare);letter-spacing:.2em;font-size:12.5px;padding-top:2px}
.irow dd{color:var(--washi)}
.irow dd small{color:var(--hai);display:block;font-size:12px}
.map-link{display:inline-block;margin-top:20px;margin-right:14px;border:1px solid var(--line);padding:12px 26px;font-size:13px;letter-spacing:.2em;color:var(--washi);transition:.25s}
.map-link:hover{border-color:var(--tare);color:var(--tare)}

/* 地図埋め込み */
.map-frame{
  margin-top:34px;
  border:1px solid var(--line);
  background:var(--sumi-2);
  overflow:hidden;
  aspect-ratio:16/9;
}
.map-frame iframe{width:100%;height:100%;border:0;filter:grayscale(.15) contrast(1.05)}

/* 口コミ */
.reviews-lead{margin-bottom:8px}

/* footer */
footer{border-top:1px solid var(--line);padding:36px 24px 130px;text-align:center;color:var(--hai);font-size:11.5px;letter-spacing:.15em}

/* ───── chat ───── */
.chat-fab{
  position:fixed;right:18px;bottom:18px;z-index:80;
  display:flex;align-items:center;gap:10px;
  background:var(--hi);color:#fff;border:none;cursor:pointer;
  border-radius:999px;padding:15px 22px;
  font-family:"Zen Kaku Gothic New",sans-serif;font-size:14px;font-weight:700;letter-spacing:.08em;
  box-shadow:0 6px 24px rgba(212,86,46,.4);
  transition:transform .2s;
}
.chat-fab:hover{transform:translateY(-2px)}
.chat-fab svg{width:19px;height:19px}
.chat-badge{position:absolute;top:-4px;right:-2px;background:#fff;color:var(--hi);font-size:10px;font-weight:700;border-radius:999px;padding:1px 6px;display:none}

.chat-panel{
  position:fixed;right:14px;bottom:14px;z-index:90;
  width:min(370px,calc(100vw - 28px));height:min(560px,calc(100svh - 40px));
  background:#FBF7F0;color:#26201A;border-radius:16px;
  display:none;flex-direction:column;overflow:hidden;
  box-shadow:0 12px 48px rgba(0,0,0,.5);
}
.chat-panel.open{display:flex;animation:pop .22s ease}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.chat-head{background:var(--sumi);color:var(--washi);padding:14px 18px;display:flex;align-items:center;gap:12px}
.chat-head .avatar{width:36px;height:36px;border-radius:50%;background:var(--tare);display:grid;place-items:center;font-family:"Shippori Mincho",serif;font-weight:700;font-size:16px;color:#fff}
.chat-head .t{flex:1;line-height:1.35}
.chat-head .t b{font-size:14px;letter-spacing:.1em}
.chat-head .t span{display:block;font-size:11px;color:var(--hai)}
.chat-head .t span i{font-style:normal;color:#7CBF6B}
.chat-close{background:none;border:none;color:var(--washi);font-size:20px;cursor:pointer;opacity:.7}
.chat-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:#FBF7F0}
.msg{max-width:82%;padding:10px 14px;border-radius:14px;font-size:13.5px;line-height:1.7}
.msg.shop{background:#EDE3D3;border-bottom-left-radius:4px;align-self:flex-start}
.msg.user{background:var(--hi);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.msg time{display:block;font-size:10px;opacity:.55;margin-top:3px}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 10px}
.chip{border:1px solid #D8CBB6;background:#fff;border-radius:999px;padding:7px 14px;font-size:12px;cursor:pointer;color:#5A4E3F;transition:.2s}
.chip:hover{border-color:var(--hi);color:var(--hi)}
.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid #E4D9C6;background:#fff}
.chat-input input{flex:1;border:1px solid #D8CBB6;border-radius:999px;padding:11px 16px;font-size:14px;font-family:inherit;outline:none}
.chat-input input:focus{border-color:var(--hi)}
.chat-input button{background:var(--hi);border:none;color:#fff;border-radius:50%;width:42px;height:42px;cursor:pointer;display:grid;place-items:center}
.chat-note{font-size:10px;color:#9A8E7C;text-align:center;padding:6px 12px 10px;background:#fff}
.typing{display:flex;gap:4px;padding:12px 16px;align-self:flex-start}
.typing i{width:6px;height:6px;border-radius:50%;background:#B9AB93;animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,100%{opacity:.3}50%{opacity:1}}