/* ========================================
   スナックDAN - ダークテーマ・ゴールドアクセント
   ======================================== */

:root {
  --bg: #1a1a1a;
  --bg-soft: #222222;
  --panel: #252525;
  --panel-soft: #2a2a2a;
  --text: #f5f5f5;
  --text-muted: #c4c4c4;
  --accent: #d4af37;
  --accent-dark: #b8942e;
  --line: rgba(212, 175, 55, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Zen Kaku Gothic New", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

.wrap {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

h1,
h2,
h3 {
  font-family: "Noto Serif JP", serif;
  letter-spacing: 0.03em;
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
  margin: 0;
  color: #fff;
  font-weight: 500;
}

h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 500;
}

/* ----------------------------------------
   Header
   ---------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(26, 26, 26, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.btn-reserve-mobile {
  display: inline-block;
}

nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

nav .btn-reserve {
  display: none;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s ease;
}

nav a:not(.btn-reserve):hover {
  color: #fff;
}

.btn-reserve {
  color: var(--accent) !important;
  border: 1px solid var(--accent);
  padding: 0.5rem 1.25rem;
  border-radius: 4px;
  white-space: nowrap;
}

.btn-reserve:hover {
  background: rgba(212, 175, 55, 0.12);
  color: #fff !important;
}

/* ----------------------------------------
   Hero
   ---------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.hero-slider,
.overlay {
  position: absolute;
  inset: 0;
}

.hero-slider {
  overflow: hidden;
}

.hero-slider .hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: heroFade 16s ease-in-out infinite;
}

.hero-slider .hero-image:nth-child(1) { animation-delay: 0s; }
.hero-slider .hero-image:nth-child(2) { animation-delay: 4s; }
.hero-slider .hero-image:nth-child(3) { animation-delay: 8s; }
.hero-slider .hero-image:nth-child(4) { animation-delay: 12s; }

@keyframes heroFade {
  0%, 22% { opacity: 1; }
  25%, 97% { opacity: 0; }
  100% { opacity: 1; }
}

.overlay {
  background: linear-gradient(
    to top,
    rgba(26, 26, 26, 0.92) 0%,
    rgba(26, 26, 26, 0.4) 50%,
    rgba(26, 26, 26, 0.2) 100%
  );
}

.hero-inner {
  position: relative;
  text-align: center;
  padding: 6rem 1.5rem;
}

.hero-sub {
  margin: 0 0 0.6rem;
  letter-spacing: 0.25em;
  color: var(--accent);
  font-size: 0.75rem;
}

.lead {
  margin: 1rem 0 2rem;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.9;
}

.cta {
  display: inline-block;
  text-decoration: none;
  font-weight: 500;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.cta-solid {
  background: var(--accent);
  color: #1a1a1a;
  padding: 0.9rem 2rem;
  border-radius: 4px;
}

.cta-solid:hover {
  background: var(--accent-dark);
  color: #1a1a1a;
  transform: translateY(-2px);
}

/* ----------------------------------------
   Section Title（装飾付き）
   ---------------------------------------- */
.section-title {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: var(--accent);
}

/* ----------------------------------------
   Store Overview（店舗概要）
   ---------------------------------------- */
.section {
  padding: 4rem 0;
  scroll-margin-top: 64px;
}

#hero {
  scroll-margin-top: 0;
}

.section:nth-child(even) {
  background: var(--bg-soft);
}

.about-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.about-copy p {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
}

.about-photo {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--panel);
}

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

/* ----------------------------------------
   Buttons（outline）
   ---------------------------------------- */
.btn-outline {
  display: inline-block;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.6rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  font-size: 0.9rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn-outline:hover {
  background: rgba(212, 175, 55, 0.15);
  color: #fff;
}

/* ----------------------------------------
   Features（当店の特徴）
   ---------------------------------------- */
.feature-grid {
  display: grid;
  gap: 1.5rem;
}

.feature-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.feature-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  color: var(--text);
}

.feature-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ----------------------------------------
   Gallery（店内の雰囲気）
   ---------------------------------------- */
.gallery-carousel {
  position: relative;
  margin: 0 auto;
  width: min(860px, 100%);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.gallery-carousel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: galleryFade 12s ease-in-out infinite;
}

.gallery-carousel img:nth-child(1) {
  animation-delay: 0s;
}

.gallery-carousel img:nth-child(2) {
  animation-delay: 4s;
}

.gallery-carousel img:nth-child(3) {
  animation-delay: 8s;
}

@keyframes galleryFade {
  0%,
  28% {
    opacity: 1;
  }
  33%,
  95% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/* ----------------------------------------
   Information（ご案内）
   ---------------------------------------- */
.info-grid {
  display: grid;
  gap: 1.5rem;
}

.info-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 2rem;
}

.info-card h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--text);
  font-weight: 500;
}

.info-card dl {
  margin: 0;
}

.info-card dt {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.9rem;
  margin-top: 0.75rem;
}

.info-card dt:first-child {
  margin-top: 0;
}

.info-card dd {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
}

.info-card .tel {
  margin: 0 0 0.75rem;
}

.info-card .tel a {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
}

.info-card .tel a:hover {
  color: #e8c952;
}

.info-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ----------------------------------------
   Access（アクセス）
   ---------------------------------------- */
.access-grid {
  display: grid;
  gap: 1.5rem;
}

.access-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 2rem;
}

.access-brand {
  margin: 0 0 1rem;
  font-family: "Noto Serif JP", serif;
  font-size: 1.1rem;
  color: var(--accent);
}

.access-card p {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.access-card .btn-outline {
  margin-top: 1rem;
}

.map-wrap {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.map-wrap iframe {
  width: 100%;
  min-height: 300px;
  border: 0;
  display: block;
}

/* ----------------------------------------
   Footer
   ---------------------------------------- */
footer {
  background: var(--bg-soft);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 2rem;
  text-align: center;
}

.footer-inner .brand {
  color: var(--text-muted);
}

footer p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.copyright {
  width: 100%;
  font-size: 0.8rem;
  opacity: 0.8;
}

a {
  color: var(--accent);
}

a:hover {
  color: #e8c952;
}

/* ----------------------------------------
   Responsive
   ---------------------------------------- */
@media (min-width: 780px) {
  .btn-reserve-mobile {
    display: none;
  }

  nav {
    display: flex;
  }

  nav .btn-reserve {
    display: inline-block;
  }

  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .info-grid {
    grid-template-columns: 1fr 1fr;
  }

  .access-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}