/* ===========================
   Custom Properties
   =========================== */
:root {
  --color-bg:           #FBF7F2;
  --color-surface:      #F2EBE0;
  --color-accent:       #C0392B;
  --color-accent2:      #E8A838;
  --color-text:         #2C1A0E;
  --color-muted:        #7A6552;
  --color-hero-overlay: rgba(20, 8, 0, 0.50);
  --font-serif:         "Noto Serif JP", serif;
  --font-sans:          "Noto Sans JP", sans-serif;
  --font-en:            "IM Fell English", serif;
  --radius:             6px;
  --shadow:             0 4px 20px rgba(44, 26, 14, 0.12);
  --shadow-hover:       0 10px 32px rgba(44, 26, 14, 0.22);
  --transition:         0.3s ease;
}

/* ===========================
   Reset & Base
   =========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}

/* ===========================
   Loading Screen
   =========================== */
#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.65s ease, visibility 0.65s ease;
}
#loading-screen.is-loaded {
  opacity: 0;
  visibility: hidden;
}
.loading-inner {
  text-align: center;
  color: #fff;
}
.loading-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
}
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.loading-text {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  opacity: 0.7;
}

/* ===========================
   Hero
   =========================== */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--color-hero-overlay);
  z-index: 1;
}

/* Carousel */
.hero-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.9s ease;
}
.hero-image.is-active {
  opacity: 1;
}

/* Nav */
.hero-nav {
  position: absolute;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 2rem;
}
.hero-nav a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  white-space: nowrap;
  transition: color var(--transition);
}
.hero-nav a:hover {
  color: var(--color-accent2);
}
@media (max-width: 480px) {
  .hero-nav {
    gap: 1.2rem;
    top: 1rem;
  }
  .hero-nav a {
    font-size: 0.75rem;
  }
}

/* Content */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 1.5rem;
}
.eyebrow {
  font-family: var(--font-en);
  font-style: italic;
  font-size: clamp(0.72rem, 2vw, 1rem);
  letter-spacing: 0.3em;
  color: var(--color-accent2);
  margin-bottom: 0.75rem;
}
.hero-content h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 9vw, 5.5rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.45);
}
.lead {
  font-size: clamp(0.9rem, 2.5vw, 1.15rem);
  line-height: 2;
  margin-bottom: 2.5rem;
  opacity: 0.92;
}

/* CTA Button */
.cta {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 0.9rem 2.4rem;
  border-radius: 2px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  border: 2px solid transparent;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.cta:hover {
  background: transparent;
  border-color: #fff;
  transform: translateY(-2px);
}
.cta.secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
}
.cta.secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* ===========================
   Section Base
   =========================== */
.section {
  padding: clamp(4rem, 10vw, 7rem) clamp(1.5rem, 5vw, 3rem);
  max-width: 1100px;
  margin: 0 auto;
}
.section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: 0.12em;
  position: relative;
}
.section h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--color-accent);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   Concept
   =========================== */
.intro {
  background:
    linear-gradient(rgba(250, 247, 242, 0.68), rgba(250, 247, 242, 0.68)),
    url("../assets/enhanced/pc-hq/concept-bg-hq.jpg") center / cover no-repeat;
}
.concept-head {
  text-align: center;
  margin-bottom: 3.5rem;
}
.concept-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: 0.12em;
  margin-bottom: 0;
}
.concept-head h2::after {
  display: none;
}
.concept-divider {
  width: 48px;
  height: 3px;
  background: var(--color-accent);
  margin: 0.75rem auto;
  border-radius: 2px;
}
.concept-en {
  font-family: var(--font-en);
  font-style: italic;
  color: var(--color-muted);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
}

.concept-body {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

/* PC / SP text switching */
.concept-copy-sp { display: none; }
@media (max-width: 800px) {
  .concept-copy-pc { display: none; }
  .concept-copy-sp { display: block; }
}

.concept-title-tight {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-accent);
  margin-bottom: 0.85rem;
  line-height: 1.6;
}
.concept-title-sub {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-muted);
  margin: 2.25rem 0 0.85rem;
  line-height: 1.6;
}
.concept-copy p {
  font-size: 0.95rem;
  line-height: 2.1;
  color: var(--color-text);
}

/* ===========================
   Menu
   =========================== */
.menu {
  background: var(--color-surface);
  max-width: 100%;
  padding-left: clamp(1.5rem, 5vw, 4rem);
  padding-right: clamp(1.5rem, 5vw, 4rem);
}
.menu > h2 {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- スライダーラッパー（PCは無効） ---- */
.menu-slider-wrap {
  display: contents; /* PC: 透過ラッパー、グリッドに影響しない */
}
.slider-btn,
.slider-dots {
  display: none; /* PC: 非表示 */
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
@media (max-width: 960px) {
  .menu-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- SP: スライダーモード ---- */
@media (max-width: 768px) {
  .menu-slider-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    max-width: 480px;
    margin: 0 auto;
  }

  .menu-grid {
    display: block;
    position: relative;
    flex: 1;
    min-height: 0;
  }

  /* SP: カードは重ねて非表示、active のみ表示 */
  .menu-grid .card {
    display: none;
    animation: fadeSlide 0.35s ease;
  }
  .menu-grid .card.is-active {
    display: block;
  }

  /* 前後ボタン */
  .slider-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
  }
  .slider-btn:hover {
    background: #a93226;
    transform: scale(1.08);
  }
  .slider-btn svg {
    width: 20px;
    height: 20px;
    stroke: #fff;
    stroke-width: 2.5;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  /* ドット */
  .slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 1.25rem;
  }
  .slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(44, 26, 14, 0.2);
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
  }
  .slider-dot.is-active {
    background: var(--color-accent);
    transform: scale(1.3);
  }
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}

.card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.card-body {
  padding: 1.25rem 1.25rem 1.5rem;
}
.card-body h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}
.card-body p {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.85;
}

/* ===========================
   Gallery
   =========================== */
.gallery {
  background: var(--color-bg);
}
.gallery-carousel {
  position: relative;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.gallery-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.gallery-slide.is-active {
  opacity: 1;
}

/* ===========================
   Info
   =========================== */
.info {
  background: var(--color-surface);
}
.info-list {
  max-width: 700px;
  margin: 0 auto;
  border-top: 1px solid rgba(44, 26, 14, 0.12);
}
.info-list > div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(44, 26, 14, 0.12);
  align-items: baseline;
}
.info-list dt {
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--color-accent);
  letter-spacing: 0.06em;
}
.info-list dd {
  font-size: 0.95rem;
  line-height: 1.7;
}
.info-list dd a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
@media (max-width: 540px) {
  .info-list > div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
    padding: 0.85rem 0;
  }
}

/* ===========================
   Hours
   =========================== */
.hours {
  background: var(--color-bg);
}
.hours-list {
  max-width: 480px;
  margin: 0 auto;
  border-top: 1px solid rgba(44, 26, 14, 0.12);
}
.hours-list > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(44, 26, 14, 0.12);
  font-size: 0.95rem;
}
.hours-list dt {
  font-weight: 500;
  min-width: 90px;
}
.hours-list > div.closed dt,
.hours-list > div.closed dd {
  color: var(--color-muted);
  font-style: italic;
}

/* ===========================
   Access
   =========================== */
.access {
  background: var(--color-surface);
}
.access-note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 2rem;
  line-height: 1.8;
}
.map-wrap {
  position: relative;
  padding-bottom: 50%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.map-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
@media (max-width: 540px) {
  .map-wrap {
    padding-bottom: 72%;
  }
}

/* ===========================
   Footer
   =========================== */
.footer {
  background: var(--color-accent);
  color: #fff;
  text-align: center;
  padding: clamp(3rem, 8vw, 5.5rem) 1.5rem;
}
.footer h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}
.footer > p {
  font-size: 0.92rem;
  line-height: 2;
  opacity: 0.9;
  margin-bottom: 2rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.footer .cta {
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  padding: 0.9rem 3rem;
}
.footer .cta:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}
.copyright {
  font-size: 0.78rem;
  opacity: 0.55;
  margin: 0;
  letter-spacing: 0.1em;
}

/* ===========================
   Floating Phone Button (SP only)
   =========================== */
.floating-phone {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0.75rem 1.1rem;
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(192, 57, 43, 0.55);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  transition: transform var(--transition), box-shadow var(--transition);
}
.floating-phone:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(192, 57, 43, 0.65);
}
.floating-phone svg {
  width: 26px;
  height: 26px;
  fill: #fff;
}
@media (min-width: 769px) {
  .floating-phone { display: none; }
}