/* ===================================================
   つけ麺らぁめん 亰極 LP
   Design: 深みのある和モダン × 濃厚感
   =================================================== */

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold:     #c9a227;
  --gold-lt:  #e8c96a;
  --dark:     #1a1208;
  --dark-mid: #2d1f0a;
  --cream:    #fdf6e8;
  --warm:     #f5e8c8;
  --brown:    #6b3e10;
  --text:     #2d1f0a;
  --text-lt:  #7a6040;
  --white:    #ffffff;

  --font-serif-en: 'Playfair Display', Georgia, serif;
  --font-serif-jp: 'Noto Serif JP', 'Yu Mincho', serif;
  --font-accent:   'Cormorant Garamond', Georgia, serif;

  --section-pad: clamp(80px, 10vw, 140px);
  --container:   1200px;
  --radius:      12px;
  --transition:  0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-serif-jp);
  background: var(--cream);
  color: var(--text);
  line-height: 1.8;
  overflow-x: hidden;
}

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

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== CONTAINER ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

/* ===== SECTION LABELS ===== */
.section-label {
  font-family: var(--font-accent);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-serif-jp);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--dark);
  margin-bottom: 24px;
}
.section-desc {
  color: var(--text-lt);
  font-size: 1.05rem;
  margin-bottom: 48px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 4px;
  font-family: var(--font-serif-jp);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--gold);
  color: var(--dark);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-lt);
  border-color: var(--gold-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,162,39,0.4);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-gold {
  background: var(--gold);
  color: var(--dark);
  border-color: var(--gold);
  font-size: 1.1rem;
}
.btn-gold:hover {
  background: var(--gold-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,162,39,0.5);
}
.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.4s ease;
  padding: 0;
}
.header.scrolled {
  background: rgba(26, 18, 8, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 30px rgba(0,0,0,0.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px clamp(20px, 5vw, 60px);
}
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 4px;
}
.logo-jp {
  font-family: var(--font-serif-jp);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.05em;
}
.logo-sub {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.2em;
}
.nav ul {
  list-style: none;
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  transition: color 0.3s;
  position: relative;
}
.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}
.nav a:hover { color: var(--gold); }
.nav a:hover::after { width: 100%; }
.nav-instagram {
  background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 20% 60%, rgba(201,162,39,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 20%, rgba(107,62,16,0.2) 0%, transparent 50%),
    linear-gradient(160deg, #1a1208 0%, #2d1f0a 40%, #1a1208 100%);
}
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,162,39,0.6), transparent);
  animation: float linear infinite;
  pointer-events: none;
}
@keyframes float {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.3; }
  100% { transform: translateY(-100px) scale(1); opacity: 0; }
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 24px 80px;
  max-width: 800px;
}
.hero-eyebrow {
  font-family: var(--font-accent);
  font-size: 0.9rem;
  letter-spacing: 0.35em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-serif-jp);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.hero-title-main { color: var(--white); }
.hero-title-accent {
  color: var(--gold);
  font-style: italic;
  font-family: var(--font-accent);
  font-size: clamp(3.5rem, 9vw, 7rem);
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.75);
  line-height: 2;
  margin-bottom: 48px;
  letter-spacing: 0.08em;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.hero-scroll-hint span {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(201,162,39,0.6), transparent);
  animation: scroll-line 2s ease infinite;
}
@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== STRIP ===== */
.strip {
  background: var(--dark-mid);
  padding: 40px 0;
  border-top: 1px solid rgba(201,162,39,0.2);
  border-bottom: 1px solid rgba(201,162,39,0.2);
}
.strip-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.strip-item {
  display: flex;
  align-items: center;
  gap: 16px;
}
.strip-icon {
  font-size: 2rem;
  flex-shrink: 0;
}
.strip-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.strip-text strong {
  color: var(--gold);
  font-size: 0.95rem;
  font-weight: 700;
}
.strip-text span {
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
}

/* ===== ABOUT ===== */
.about {
  padding: var(--section-pad) 0;
  background: var(--cream);
}
.about-lead {
  font-size: 1.15rem;
  line-height: 2.2;
  color: var(--text-lt);
  max-width: 680px;
  margin-bottom: 64px;
}
.about-lead em {
  color: var(--brown);
  font-style: normal;
  font-weight: 700;
}
.about-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  border: 1px solid rgba(201,162,39,0.15);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-lt));
}
.about-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}
.about-card-icon { font-size: 2.4rem; margin-bottom: 20px; }
.about-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.about-card p {
  color: var(--text-lt);
  font-size: 0.9rem;
  line-height: 1.9;
}

/* ===== HIGHLIGHT ===== */
.highlight {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}
.highlight-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-mid) 50%, #3d2a0e 100%);
}
.highlight .container { position: relative; z-index: 1; }
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}
.highlight-item p {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  margin-top: 12px;
}
.highlight-num {
  font-family: var(--font-serif-en);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
  display: block;
}
.highlight-num small {
  font-size: 0.45em;
  font-weight: 400;
  color: rgba(201,162,39,0.8);
}

/* ===== MENU ===== */
.menu {
  padding: var(--section-pad) 0;
  background: var(--cream);
}
.menu-tabs {
  display: flex;
  gap: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(201,162,39,0.3);
  width: fit-content;
  margin-bottom: 48px;
}
.menu-tab {
  background: var(--white);
  border: none;
  padding: 14px 28px;
  font-family: var(--font-serif-jp);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-lt);
  cursor: pointer;
  transition: all 0.3s;
  border-right: 1px solid rgba(201,162,39,0.2);
}
.menu-tab:last-child { border-right: none; }
.menu-tab:hover { background: var(--warm); color: var(--dark); }
.menu-tab.active {
  background: var(--dark);
  color: var(--gold);
}
.menu-panel { display: none; }
.menu-panel.active { display: block; }
.menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}
.menu-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid rgba(201,162,39,0.12);
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
  overflow: hidden;
}
.menu-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
}
.menu-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--gold);
  color: var(--dark);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.05em;
}
.menu-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.menu-card-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
}
.menu-flavor-tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 3px;
  flex-shrink: 0;
}
.menu-flavor-tag.soy { background: #3d2a0e; color: var(--gold); }
.menu-flavor-tag.salt { background: #e8f4ff; color: #2a5ba0; }
.menu-flavor-tag.rich { background: #fff3e0; color: #e65c00; }
.menu-flavor-tag.clear { background: #e8f5e9; color: #2e7d32; }
.menu-desc {
  color: var(--text-lt);
  font-size: 0.88rem;
  line-height: 1.9;
  margin-bottom: 20px;
}
.menu-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.menu-price {
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--brown);
}
.toppings-section {
  background: var(--warm);
  border-radius: var(--radius);
  padding: 32px 40px;
}
.toppings-section h3 {
  font-size: 1rem;
  color: var(--text-lt);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}
.toppings-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.topping-tag {
  background: var(--white);
  border: 1px solid rgba(201,162,39,0.3);
  color: var(--brown);
  font-size: 0.85rem;
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 600;
}

/* ===== ATMOSPHERE ===== */
.atmosphere {
  padding: var(--section-pad) 0;
  background: var(--dark);
}
.atmosphere .section-label { color: var(--gold); }
.atmosphere .section-title { color: var(--white); }
.atmosphere-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.atmosphere-text p {
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
  line-height: 2;
  margin-bottom: 20px;
}
.atmosphere-text strong { color: var(--gold); }
.atmosphere-list {
  list-style: none;
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.atmosphere-list li {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  padding-left: 4px;
}
.atmosphere-visual { display: flex; flex-direction: column; gap: 20px; }
.atmosphere-card-big {
  background: linear-gradient(135deg, var(--dark-mid), #3d2a0e);
  border: 1px solid rgba(201,162,39,0.3);
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
}
.atm-card-content { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.atm-emoji { font-size: 4rem; }
.atm-card-title {
  font-family: var(--font-serif-jp);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold);
}
.atm-card-sub { color: rgba(255,255,255,0.6); font-size: 0.85rem; }
.atmosphere-cards-small {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.atm-card-sm {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,162,39,0.15);
  border-radius: 8px;
  padding: 20px 12px;
  text-align: center;
  transition: all 0.3s;
}
.atm-card-sm:hover {
  background: rgba(201,162,39,0.08);
  border-color: rgba(201,162,39,0.4);
  transform: translateY(-4px);
}
.atm-card-sm span { font-size: 1.8rem; display: block; margin-bottom: 8px; }
.atm-card-sm p { color: rgba(255,255,255,0.6); font-size: 0.72rem; }

/* ===== CTA ===== */
.cta {
  position: relative;
  padding: 100px 0;
  text-align: center;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #3d2a0e 0%, var(--dark) 50%, #2d1f0a 100%);
}
.cta-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(201,162,39,0.1), transparent);
}
.cta .container { position: relative; z-index: 1; }
.cta-content { max-width: 600px; margin: 0 auto; }
.cta-eyebrow {
  font-family: var(--font-accent);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.cta-title {
  font-family: var(--font-serif-jp);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 20px;
}
.cta-desc {
  color: rgba(255,255,255,0.65);
  font-size: 0.95rem;
  line-height: 2;
  margin-bottom: 40px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== ACCESS ===== */
.access {
  padding: var(--section-pad) 0;
  background: var(--cream);
}
.access-grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 60px;
  align-items: start;
}
.access-block { margin-bottom: 28px; }
.access-block h3 {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--text-lt);
  margin-bottom: 8px;
  font-weight: 600;
}
.access-block p { color: var(--text); font-size: 0.95rem; line-height: 1.8; }
.tel-link {
  color: var(--brown);
  font-size: 1.3rem;
  font-family: var(--font-serif-en);
  font-weight: 700;
  transition: color 0.3s;
}
.tel-link:hover { color: var(--gold); }
.hours-table { display: flex; flex-direction: column; gap: 8px; }
.hours-row {
  display: flex;
  gap: 20px;
  align-items: center;
  font-size: 0.95rem;
}
.hours-day { color: var(--text-lt); min-width: 100px; font-size: 0.85rem; }
.hours-time { color: var(--dark); font-weight: 600; }
.instagram-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brown);
  font-weight: 600;
  transition: color 0.3s;
}
.instagram-link:hover { color: var(--gold); }
.access-map {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.12);
}
.access-map iframe { display: block; width: 100%; }

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  padding: 60px 0 40px;
  border-top: 1px solid rgba(201,162,39,0.2);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.footer .logo-jp {
  font-size: 2rem;
  color: var(--gold);
}
.footer .logo-sub {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.2em;
}
.footer-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-links a {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--gold); }
.footer-copy {
  color: rgba(255,255,255,0.3);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

/* ===== RESPONSIVE: 900px ===== */
@media (max-width: 900px) {
  .nav { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(26,18,8,0.97); flex-direction: column; align-items: center; justify-content: center; z-index: 999; }
  .nav.open { display: flex; }
  .nav ul { flex-direction: column; gap: 28px; text-align: center; }
  .nav a { font-size: 1.3rem; }
  .hamburger { display: flex; z-index: 1001; }
  .strip-inner { grid-template-columns: repeat(2, 1fr); }
  .about-cards { grid-template-columns: 1fr; gap: 24px; }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .menu-grid { grid-template-columns: 1fr; }
  .atmosphere-grid { grid-template-columns: 1fr; gap: 48px; }
  .atmosphere-cards-small { grid-template-columns: repeat(2, 1fr); }
  .access-grid { grid-template-columns: 1fr; }
}

/* ===== RESPONSIVE: 600px ===== */
@media (max-width: 600px) {
  .strip-inner { grid-template-columns: 1fr; }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-ctas { flex-direction: column; align-items: center; }
  .cta-actions { flex-direction: column; align-items: center; }
  .menu-tabs { flex-direction: column; width: 100%; }
  .menu-tab { border-right: none; border-bottom: 1px solid rgba(201,162,39,0.2); }
  .atmosphere-cards-small { grid-template-columns: repeat(2, 1fr); }
}
