@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@600;700;800;900&family=Zen+Kaku+Gothic+New:wght@500;700;900&display=swap');

/* ===== tokens ===== */
:root {
  --oxblood:       #370202; /* profile.png の背景茶（指定色） */
  --oxblood-deep:  #240101;
  --cream:         #ECE3D8;
  --muted:         #C7ADA6;
  --brass:         #C7A253;
  --brass-line:    rgba(199,162,83,.30);

  --font-display: "Archivo", sans-serif;
  --font-jp:      "Zen Kaku Gothic New", sans-serif;

  --maxw: 960px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--oxblood);
  color: var(--cream);
  font-family: var(--font-jp);
  font-weight: 500;
  line-height: 1.85;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ===== header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .7rem 1.25rem;
  background: rgba(20,1,1,.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--brass-line);
}
.site-logo { display: flex; align-items: center; }
.site-logo img { height: 30px; width: auto; display: block; }
.nav-toggle { display: none; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.6rem; }
.nav a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  transition: color .25s, border-color .25s;
}
.nav a:hover, .nav a:focus-visible { color: var(--cream); border-color: var(--brass); }
.nav-burger { display: none; }

/* ===== hero (文字組み) ===== */
.hero {
  position: relative;
  min-height: 80vh;
  display: grid; place-items: center; text-align: center;
  padding: 4rem 1.25rem; overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(120% 90% at 50% 42%, rgba(55,2,2,.30) 0%, rgba(36,1,1,.86) 70%, #240101 100%),
    url("images/interior1.jpg") center/cover no-repeat;
}
.hero__inner { position: relative; z-index: 1; }
.hero__used {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3.5rem, 17vw, 8.5rem);
  line-height: .9;
  letter-spacing: -.01em;
  color: var(--cream);
}
.hero__sub {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 5.2vw, 2rem);
  letter-spacing: .02em;
  color: var(--muted);
  margin-top: .25rem;
}
.hero__lead {
  max-width: 34rem; margin: 1.8rem auto 0;
  color: var(--cream); font-weight: 500;
  font-size: clamp(.95rem, 3.6vw, 1.05rem);
}

/* ===== section ===== */
.section { padding: 4.5rem 1.25rem; }
.wrap { max-width: var(--maxw); margin: 0 auto; }
.eyebrow {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 3.2rem);
  letter-spacing: .01em; line-height: 1;
  margin: 0 0 .4rem; text-transform: uppercase;
}
.eyebrow__jp {
  display: block;
  font-family: var(--font-jp); font-weight: 700;
  font-size: .82rem; letter-spacing: .28em;
  color: var(--brass); margin-bottom: 2rem;
}
.rule { border: 0; height: 2px; background: var(--brass-line); margin: 0 0 2.4rem; }

/* hours */
.hours { list-style: none; margin: 0; padding: 0; }
.hours li {
  padding: 1rem 0; border-bottom: 1px dashed var(--brass-line);
  font-size: 1.02rem; font-weight: 500;
}
.hours li:last-child { border-bottom: 0; color: var(--muted); font-size: .92rem; }

/* system */
.subhead {
  font-family: var(--font-display); font-weight: 800;
  font-size: 1rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--brass); margin: 0 0 1rem;
}
.menu { display: grid; grid-template-columns: 1fr; gap: .55rem; margin: 0 0 2.8rem; padding: 0; list-style: none; }
.menu li {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding-bottom: .4rem; border-bottom: 1px solid rgba(236,227,216,.12);
}
.menu .name { font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; }
.menu .price { font-family: var(--font-display); font-weight: 700; color: var(--brass); white-space: nowrap; }

table.keep { width: 100%; border-collapse: collapse; font-size: .98rem; }
table.keep th, table.keep td {
  text-align: left; padding: .8rem .5rem;
  border-bottom: 1px solid rgba(236,227,216,.12); vertical-align: top;
}
table.keep th { width: 30%; color: var(--brass); font-weight: 700; white-space: nowrap; }
table.keep td { font-weight: 500; }

/* gallery */
.gallery { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 3rem; }
.gallery img { border: 1px solid var(--brass-line); border-radius: 2px; }

/* access */
.access__addr { font-size: 1.05rem; font-weight: 500; margin: 0 0 .4rem; }
.access__tel {
  display: inline-block; font-family: var(--font-display); font-weight: 800;
  font-size: 1.4rem; letter-spacing: .06em; color: var(--brass);
  margin: .4rem 0 2rem; border-bottom: 2px solid var(--brass-line);
}
.map { position: relative; width: 100%; aspect-ratio: 4 / 3; border: 1px solid var(--brass-line); }
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* footer */
.site-footer { text-align: center; padding: 2.5rem 1.25rem 3rem; background: var(--oxblood-deep); border-top: 1px solid var(--brass-line); }
.site-footer p {
  margin: 0; font-family: var(--font-display); font-weight: 700;
  font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
}

/* ===== mobile nav ===== */
@media (max-width: 719px) {
  .nav-burger { display: block; width: 30px; height: 22px; position: relative; cursor: pointer; }
  .nav-burger span,
  .nav-burger span::before,
  .nav-burger span::after {
    content: ""; position: absolute; left: 0; right: 0; height: 3px;
    background: var(--cream); border-radius: 2px; transition: transform .3s, opacity .3s;
  }
  .nav-burger span { top: 10px; }
  .nav-burger span::before { top: -8px; }
  .nav-burger span::after  { top: 8px; }
  .nav {
    position: fixed; inset: 56px 0 auto 0;
    background: rgba(20,1,1,.97); border-bottom: 1px solid var(--brass-line);
    max-height: 0; overflow: hidden; transition: max-height .35s ease;
  }
  .nav ul { flex-direction: column; gap: 0; padding: .5rem 0; }
  .nav a { display: block; padding: .95rem 1.5rem; border-bottom: 1px solid rgba(199,162,83,.12); }
  .nav-toggle:checked ~ .nav { max-height: 60vh; }
  .nav-toggle:checked ~ .nav-burger span { background: transparent; }
  .nav-toggle:checked ~ .nav-burger span::before { transform: translateY(8px) rotate(45deg); }
  .nav-toggle:checked ~ .nav-burger span::after  { transform: translateY(-8px) rotate(-45deg); }
}

/* ===== desktop ===== */
@media (min-width: 720px) {
  .menu { grid-template-columns: 1fr 1fr; gap: .55rem 3rem; }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .map { aspect-ratio: 16 / 8; }
  .section { padding: 6rem 1.5rem; }
}

/* ===== a11y ===== */
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* ===== splash / index.html（警告ページ） ===== */
.splash-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2.5rem 1.25rem;
}
.splash { max-width: 34rem; text-align: center; }
.splash__logo { width: min(360px, 80vw); margin: 0 auto 2rem; }
.splash__warning {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 1.1rem;
}
.splash__text {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 1rem;
  line-height: 2;
  color: var(--cream);
  margin: 0 0 2.6rem;
}
.splash__enter {
  display: inline-block;
  transition: opacity .25s, transform .25s;
}
.splash__enter img { display: block; }
.splash__enter:hover,
.splash__enter:focus-visible { opacity: .82; transform: translateY(-2px); }