:root {
  --color-bg: #FBF7F2;
  --color-bg-alt: #F3EAE1;
  --color-ink: #3B2E27;
  --color-ink-soft: #6B5A4F;
  --color-accent: #B9836E;
  --color-accent-dark: #96634F;
  --color-line: #E4D8CA;
  --font-serif: "Shippori Mincho", serif;
  --font-sans: "Noto Sans JP", sans-serif;
  --max-width: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.02em;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 247, 242, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}
.logo-img {
  height: 34px;
  width: auto;
  display: block;
}

.concept-logo {
  display: block;
  margin: 0 auto 32px;
  height: 44px;
  width: auto;
}

.site-nav {
  display: flex;
  gap: 32px;
  align-items: center;
  font-size: 0.92rem;
}

.nav-cta {
  background: var(--color-accent);
  color: #fff;
  padding: 9px 20px;
  border-radius: 999px;
  transition: background 0.2s ease;
}
.nav-cta:hover { background: var(--color-accent-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-ink);
  display: block;
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 88vh;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(120deg, rgba(59,46,39,0.6), rgba(59,46,39,0.25)),
    url('../images/hero.jpg') center / cover no-repeat;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  color: #fff;
}

.hero-eyebrow {
  letter-spacing: 0.25em;
  font-size: 0.8rem;
  margin-bottom: 18px;
  opacity: 0.9;
}

.hero-badge {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  padding: 12px 30px;
  border-radius: 999px;
  margin: 24px 0 32px;
  letter-spacing: 0.03em;
  box-shadow: 0 10px 26px rgba(0,0,0,0.3);
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.5;
  margin-bottom: 24px;
  text-shadow: 0 2px 18px rgba(0,0,0,0.25);
}

.hero-meteo {
  color: #F0B860;
  text-shadow: 0 2px 20px rgba(240,184,96,0.55);
}

.hero-lead {
  font-size: 1.05rem;
  margin-bottom: 36px;
  opacity: 0.95;
}

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-dark); }
.btn-outline {
  border: 1px solid rgba(255,255,255,0.8);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.15); }

/* Sections */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 110px 24px;
}

.section-eyebrow {
  text-align: center;
  letter-spacing: 0.3em;
  font-size: 0.78rem;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-title {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 28px;
}

.section-lead {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
  color: var(--color-ink-soft);
}

.section-lead strong {
  color: var(--color-accent-dark);
  font-weight: 700;
}

.concept .section-lead {
  font-size: 1.1rem;
  max-width: 760px;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.concept-tag {
  text-align: center;
  margin: 0 auto 28px;
  display: table;
  padding: 7px 20px;
  border-radius: 999px;
  background: var(--color-bg-alt);
  color: var(--color-accent-dark);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

/* Concept */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  padding: 40px 28px;
  text-align: center;
}

.feature-card-highlight {
  border: 2px solid var(--color-accent);
  box-shadow: 0 14px 30px rgba(185,131,110,0.18);
}

.feature-icon {
  color: var(--color-accent);
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 14px;
}

.feature-card p {
  color: var(--color-ink-soft);
  font-size: 0.94rem;
  text-wrap: pretty;
}

.nowrap { white-space: nowrap; }

.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 720px;
  margin: 56px auto 0;
}

.ba-photo {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  position: relative;
}

.ba-photo img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
  width: 100%;
}

.ba-photo figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px;
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: #fff;
  background: linear-gradient(to top, rgba(59,46,39,0.75), transparent);
}

.ba-note {
  text-align: center;
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--color-ink-soft);
}

/* Menu */
.menu-groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.menu-group h3 {
  font-size: 1rem;
  letter-spacing: 0.15em;
  color: var(--color-accent-dark);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 12px;
  margin-bottom: 20px;
}

.menu-list { list-style: none; margin: 0; padding: 0; }

.menu-list li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--color-line);
  font-size: 0.93rem;
}

/* Access */
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.access-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  overflow: hidden;
}

.access-table th, .access-table td {
  text-align: left;
  padding: 18px 20px;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
}

.access-table th {
  width: 30%;
  color: var(--color-accent-dark);
  font-weight: 500;
  background: var(--color-bg-alt);
}

.access-table tr:last-child th,
.access-table tr:last-child td { border-bottom: none; }

.access-map {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  min-height: 320px;
}

.access-map iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
}

/* LINE Banner */
.line-banner {
  background: linear-gradient(135deg, #06C755, #05a648);
  padding: 72px 24px;
  text-align: center;
  color: #fff;
}

.line-banner-inner {
  max-width: 640px;
  margin: 0 auto;
}

.line-banner-icon {
  font-size: 2rem;
  margin: 0 0 8px;
}

.line-banner-title {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  line-height: 1.6;
  margin-bottom: 16px;
}

.line-banner-text {
  font-size: 0.95rem;
  opacity: 0.95;
  margin: 0 0 32px;
}

.line-banner-btn {
  display: inline-block;
  background: #fff;
  color: #06C755;
  font-weight: 700;
  padding: 14px 40px;
  border-radius: 999px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.line-banner-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

.sp-only { display: none; }

/* LINE floating button */
.line-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #06C755;
  color: #fff;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 12px 20px;
  border-radius: 999px;
  box-shadow: 0 8px 20px rgba(6,199,85,0.35);
  transition: transform 0.2s ease;
}
.line-fab:hover { transform: translateY(-3px); }
.line-fab span { font-size: 1.1rem; }

/* Reserve */
.reserve-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.reserve-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  padding: 36px 20px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.reserve-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(59,46,39,0.08);
}

.reserve-icon { font-size: 1.8rem; display: block; margin-bottom: 14px; }
.reserve-label { display: block; font-weight: 500; margin-bottom: 6px; }
.reserve-sub { display: block; font-size: 0.85rem; color: var(--color-ink-soft); }

/* Footer */
.site-footer {
  background: var(--color-ink);
  color: #EFE4D8;
  text-align: center;
  padding: 48px 24px 32px;
  font-size: 0.85rem;
}
.site-footer p { margin: 6px 0; }
.footer-copy { opacity: 0.6; margin-top: 18px; }

/* Responsive */
@media (max-width: 860px) {
  .feature-grid, .menu-groups, .reserve-grid { grid-template-columns: 1fr; }
  .access-grid { grid-template-columns: 1fr; }

  .site-nav {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--color-line);
    transform: translateY(-150%);
    transition: transform 0.25s ease;
  }
  .site-nav.open { transform: translateY(0); }
  .site-nav a {
    padding: 18px 24px;
    border-bottom: 1px solid var(--color-line);
    width: 100%;
  }
  .nav-cta { border-radius: 0; text-align: center; }
  .nav-toggle { display: flex; }

  .section { padding: 72px 20px; }

  .sp-only { display: inline; }
  .line-banner { padding: 56px 20px; }
  .line-fab { right: 14px; bottom: 14px; padding: 10px 16px; font-size: 0.82rem; }
  .card-br { display: none; }
}