:root{
  --bg:#12100f;
  --bg-2:#191614;
  --panel:#211c19;
  --line:#332b26;
  --text:#f3ece6;
  --muted:#b0a094;
  --ember:#e2542c;
  --ember-2:#f5a03c;
  --gold:#d8b26a;
  --radius:14px;
  --max:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans JP","Hiragino Sans","Apple SD Gothic Neo","Microsoft YaHei",system-ui,sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:20px;
  padding:12px 22px;
  background:rgba(18,16,15,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;flex-direction:column;text-decoration:none;line-height:1.15}
.brand-mark{font-family:"Noto Serif JP",serif;font-weight:700;font-size:1.28rem;letter-spacing:.06em}
.brand-sub{font-size:.66rem;color:var(--gold);letter-spacing:.22em}
.nav{display:flex;gap:22px;margin-left:auto;font-size:.9rem}
.nav a{text-decoration:none;color:var(--muted);transition:color .18s}
.nav a:hover{color:var(--text)}
.header-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav + .header-right{margin-left:0}

.lang-switch{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang-switch button{
  appearance:none;border:0;background:transparent;color:var(--muted);
  padding:6px 11px;font-size:.76rem;cursor:pointer;font-family:inherit;
  transition:background .18s,color .18s;white-space:nowrap;
}
.lang-switch button:hover{color:var(--text)}
.lang-switch button.is-active{background:var(--ember);color:#fff}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;text-decoration:none;
  font-weight:700;font-size:.9rem;border:1px solid transparent;
  cursor:pointer;transition:transform .16s,background .18s,border-color .18s;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--ember),var(--ember-2));color:#1a0f08}
.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--gold)}
.btn-tel{border-color:var(--line);font-size:.82rem;padding:8px 14px;white-space:nowrap}
.btn-lg{padding:15px 30px;font-size:1rem}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:104px 22px 92px;
  text-align:center;
  background:
    radial-gradient(900px 420px at 50% -8%,rgba(226,84,44,.30),transparent 62%),
    radial-gradient(700px 420px at 82% 110%,rgba(216,178,106,.12),transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(to top,var(--bg),transparent);pointer-events:none;
}
.hero-inner{max-width:760px;margin:0 auto;position:relative;z-index:1}
.hero-eyebrow{
  display:inline-block;margin:0 0 20px;
  padding:6px 16px;border:1px solid rgba(216,178,106,.4);border-radius:999px;
  color:var(--gold);font-size:.78rem;letter-spacing:.1em;
}
.hero-title{
  font-family:"Noto Serif JP",serif;font-weight:700;
  font-size:clamp(2.3rem,7vw,4.1rem);margin:0;letter-spacing:.05em;line-height:1.2;
}
.hero-romaji{margin:10px 0 0;color:var(--muted);letter-spacing:.28em;font-size:.78rem;text-transform:uppercase}
.hero-romaji span{color:var(--gold)}
.hero-lead{margin:26px auto 0;max-width:560px;color:#e0d5cb;font-size:1.02rem}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.hero-note{margin-top:26px;color:var(--muted);font-size:.84rem}

/* ---------- badges ---------- */
.badges{
  max-width:var(--max);margin:-30px auto 0;padding:0 22px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;position:relative;z-index:2;
}
.badge{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;display:flex;flex-direction:column;gap:4px;
}
.badge strong{font-size:.98rem;color:var(--gold)}
.badge span{font-size:.82rem;color:var(--muted);line-height:1.6}

/* ---------- sections ---------- */
.section{max-width:var(--max);margin:0 auto;padding:88px 22px}
.section-alt{max-width:none;background:var(--bg-2);border-block:1px solid var(--line)}
.section-alt > *{max-width:var(--max);margin-inline:auto}
.section-head{text-align:center;margin-bottom:38px}
.section-head h2{
  font-family:"Noto Serif JP",serif;font-size:clamp(1.6rem,3.6vw,2.2rem);
  margin:0 0 10px;letter-spacing:.06em;
}
.section-head h2::after{
  content:"";display:block;width:46px;height:2px;margin:14px auto 0;
  background:linear-gradient(90deg,var(--ember),var(--gold));
}
.section-sub{margin:0;color:var(--muted);font-size:.9rem}

/* ---------- menu ---------- */
.menu-filters{display:flex;gap:9px;justify-content:center;flex-wrap:wrap;margin-bottom:30px}
.chip{
  appearance:none;background:transparent;border:1px solid var(--line);color:var(--muted);
  border-radius:999px;padding:8px 17px;font-size:.83rem;cursor:pointer;font-family:inherit;
  transition:all .18s;
}
.chip:hover{color:var(--text);border-color:var(--gold)}
.chip.is-active{background:var(--text);color:var(--bg);border-color:var(--text);font-weight:700}

.menu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.menu-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;display:flex;flex-direction:column;gap:8px;
  transition:border-color .2s,transform .2s;
}
.menu-card:hover{border-color:rgba(216,178,106,.5);transform:translateY(-2px)}
.menu-card-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.menu-name{font-size:1.06rem;font-weight:700;margin:0}
.menu-sub{margin:0;font-size:.76rem;color:var(--gold);letter-spacing:.04em}
.menu-price{font-family:"Noto Serif JP",serif;font-size:1.1rem;color:var(--ember-2);white-space:nowrap}
.menu-desc{margin:0;font-size:.85rem;color:var(--muted);line-height:1.65}
.menu-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:2px}
.tag{font-size:.68rem;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.tag--hot{color:#ff9c7a;border-color:rgba(255,156,122,.35)}
.tag--limited{color:var(--gold);border-color:rgba(216,178,106,.35)}
.menu-foot{margin-top:26px;text-align:center;color:var(--muted);font-size:.78rem}

/* ---------- course ---------- */
.course-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.course-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 26px;text-align:center;
}
.course-card--feature{border-color:rgba(226,84,44,.55);box-shadow:0 0 0 1px rgba(226,84,44,.12) inset}
.course-price{font-family:"Noto Serif JP",serif;font-size:2.2rem;margin:0;color:var(--ember-2)}
.course-name{margin:6px 0 10px;font-weight:700}
.course-desc{margin:0;color:var(--muted);font-size:.87rem}
.course-note{
  margin:24px auto 26px;padding:16px 20px;max-width:760px;
  border-left:3px solid var(--ember);background:rgba(226,84,44,.07);
  border-radius:0 10px 10px 0;color:#e6dbd2;font-size:.87rem;
}
#course{text-align:center}
#course .course-grid,#course .course-note{text-align:left}
.course-card{text-align:center}

/* ---------- info ---------- */
.info-list{margin:0;border-top:1px solid var(--line)}
.info-row{display:grid;grid-template-columns:220px 1fr;gap:18px;padding:18px 6px;border-bottom:1px solid var(--line)}
.info-row dt{color:var(--gold);font-size:.88rem}
.info-row dd{margin:0;font-size:.95rem}
.muted{color:var(--muted);font-size:.85rem}

/* ---------- map ---------- */
.map-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;height:400px}
.map-wrap iframe{width:100%;height:100%;border:0;filter:grayscale(.35) contrast(1.05)}

/* ---------- footer ---------- */
.site-footer{
  text-align:center;padding:52px 22px 100px;border-top:1px solid var(--line);
  background:var(--bg-2);
}
.foot-brand{font-family:"Noto Serif JP",serif;font-size:1.2rem;margin:0 0 8px;letter-spacing:.08em}
.foot-line{margin:0;color:var(--muted);font-size:.87rem}
.foot-copy{margin:20px 0 0;color:#6f6259;font-size:.75rem}

/* ---------- floating call button ---------- */
.fab{
  position:fixed;right:18px;bottom:18px;z-index:60;display:none;
  align-items:center;gap:8px;padding:14px 22px;border-radius:999px;
  background:linear-gradient(135deg,var(--ember),var(--ember-2));color:#1a0f08;
  font-weight:700;text-decoration:none;box-shadow:0 10px 26px rgba(0,0,0,.45);
}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .nav{display:none}
  .badges{grid-template-columns:1fr}
  .course-grid{grid-template-columns:1fr}
  .info-row{grid-template-columns:1fr;gap:4px}
}
@media (max-width:640px){
  .site-header{flex-wrap:wrap;gap:10px;padding:10px 14px}
  .header-right{width:100%;justify-content:space-between;margin-left:0}
  .btn-tel{display:none}
  .lang-switch button{padding:6px 9px;font-size:.72rem}
  .hero{padding:64px 18px 72px}
  .section{padding:64px 18px}
  .fab{display:inline-flex}
}