/* ===== Night Head Spa — Style =====
   カラーパレット:
   背景    #070b14  (深夜ネイビー)
   サーフェス #0d1526
   ゴールド #c9a84c
   テキスト #f5f0e8  (クリーム)
   ミュート #8a9bb8
=========================================*/

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #070b14;
  --surface:      #0d1526;
  --surface2:     #131f35;
  --gold:         #c9a84c;
  --gold-light:   #e8c96a;
  --gold-dim:     rgba(201,168,76,0.18);
  --text:         #f5f0e8;
  --text-muted:   #8a9bb8;
  --border:       rgba(201,168,76,0.22);
  --radius:       12px;
  --transition:   0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---------- Stars ---------- */
.stars-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.star {
  position: absolute;
  border-radius: 50%;
  background: #fff;
  animation: twinkle var(--dur, 3s) var(--delay, 0s) infinite ease-in-out;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.15; transform: scale(1); }
  50%       { opacity: 0.9;  transform: scale(1.3); }
}

/* ---------- Layout ---------- */
.night-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* ---------- Header ---------- */
.night-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: rgba(7,11,20,0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.night-header.scrolled { background: rgba(7,11,20,0.92); }

.night-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.night-logo img {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.night-logo-text { font-size: 0.85rem; letter-spacing: 0.08em; color: var(--text-muted); }

.night-header-tel {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: 1px solid var(--gold);
  border-radius: 100px;
  color: var(--gold);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  transition: background var(--transition), color var(--transition);
}
.night-header-tel:hover {
  background: var(--gold);
  color: var(--bg);
}

/* ---------- Hero ---------- */
.night-hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.night-hero-video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}

.night-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(7,11,20,0.55) 0%,
    rgba(7,11,20,0.45) 50%,
    rgba(7,11,20,0.80) 100%
  );
  z-index: 1;
}

.night-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}
.night-hero-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.night-hero-title {
  font-size: clamp(2.6rem, 8vw, 5rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  line-height: 1.1;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 30%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.night-hero-sub {
  font-size: 0.95rem;
  color: rgba(245,240,232,0.78);
  letter-spacing: 0.06em;
  margin-bottom: 40px;
  line-height: 1.9;
}

.night-btn-primary {
  display: inline-block;
  padding: 14px 40px;
  border: 1px solid var(--gold);
  border-radius: 100px;
  color: var(--gold);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.night-btn-primary:hover {
  background: var(--gold);
  color: var(--bg);
  transform: translateY(-2px);
}

.night-hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  animation: float 2.5s ease-in-out infinite;
}
.night-hero-scroll svg { opacity: 0.5; }
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ---------- Sections ---------- */
.night-section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}
.night-section-label {
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 12px;
}
.night-section-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 300;
  text-align: center;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
  color: var(--text);
}
.night-section-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 48px;
  letter-spacing: 0.04em;
}
.night-divider {
  width: 40px;
  height: 1px;
  background: var(--gold);
  margin: 20px auto 48px;
  opacity: 0.6;
}

/* ---------- Concept ---------- */
.night-concept-text {
  text-align: center;
  font-size: 0.95rem;
  line-height: 2;
  color: rgba(245,240,232,0.85);
  letter-spacing: 0.04em;
  margin-bottom: 32px;
}
.night-concept-catch {
  text-align: center;
  font-size: 1rem;
  line-height: 2.1;
  color: var(--gold-light);
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ---------- Exclusive ---------- */
.night-exclusive-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.night-exclusive-grid {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 28px;
}
.night-exclusive-item {
  flex: 1;
  max-width: 200px;
  text-align: center;
  padding: 32px 16px;
  position: relative;
}
.night-exclusive-item + .night-exclusive-item::before {
  content: '';
  position: absolute;
  left: 0; top: 25%; bottom: 25%;
  width: 1px;
  background: var(--border);
}
.night-exclusive-num {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 300;
  color: var(--gold);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 10px;
}
.night-exclusive-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.night-exclusive-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  padding: 14px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: inline-block;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

/* ---------- Course ---------- */
.night-course-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 520px) {
  .night-course-grid { grid-template-columns: 1fr; }
}

.night-course-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  position: relative;
  transition: transform var(--transition), border-color var(--transition);
}
.night-course-card:hover { transform: translateY(-4px); border-color: var(--gold); }

.night-course-card-featured {
  background: linear-gradient(145deg, var(--surface2) 0%, #0f1c33 100%);
  border-color: var(--gold);
  box-shadow: 0 0 32px rgba(201,168,76,0.12);
}

.night-course-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--bg);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 4px 16px;
  border-radius: 100px;
}

.night-course-time {
  font-size: 3rem;
  font-weight: 300;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.night-course-time span { font-size: 1.2rem; }
.night-course-name {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.night-course-price {
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}
.night-course-price span { font-size: 0.75rem; font-weight: 400; color: var(--text-muted); margin-left: 4px; }

.night-course-features {
  list-style: none;
  text-align: left;
}
.night-course-features li {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  gap: 8px;
}
.night-course-features li::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

/* ---------- Reserve & Hours ---------- */
.night-reserve-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.night-hours-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 36px;
}
.night-hours-row {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 18px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.night-hours-row:last-child { border-bottom: none; }
.night-hours-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  min-width: 80px;
  padding-top: 2px;
  flex-shrink: 0;
}
.night-hours-val {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.6;
}
.night-hours-val small { font-size: 0.78rem; color: var(--text-muted); }

.night-reserve-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 480px) {
  .night-reserve-options { grid-template-columns: 1fr; }
}

.night-reserve-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}
.night-reserve-btn:hover { transform: translateY(-3px); }
.night-reserve-btn strong { display: block; font-size: 0.9rem; letter-spacing: 0.05em; margin-bottom: 4px; }
.night-reserve-btn span  { font-size: 0.8rem; opacity: 0.8; }

.night-reserve-phone {
  background: linear-gradient(135deg, #0f2040, #1a3060);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text);
}
.night-reserve-dm {
  background: linear-gradient(135deg, #2a0f3a, #3d1a55);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text);
}
.night-reserve-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.night-reserve-phone .night-reserve-icon { background: rgba(59,130,246,0.25); }
.night-reserve-dm .night-reserve-icon   { background: rgba(168,85,247,0.25); }

/* ---------- Footer ---------- */
.night-footer {
  padding: 48px 0 32px;
  text-align: center;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}
.night-footer-brand {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-bottom: 10px;
}
.night-footer-address {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  font-style: normal;
}
.night-footer-salon-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  margin-bottom: 32px;
  transition: color var(--transition), border-color var(--transition);
}
.night-footer-salon-link:hover { color: var(--text); border-color: var(--text); }
.night-footer-copy {
  font-size: 0.72rem;
  color: rgba(138,155,184,0.5);
  letter-spacing: 0.08em;
}

/* ---------- FAB ---------- */
.night-fab {
  position: fixed;
  bottom: 28px; right: 24px;
  z-index: 200;
  width: 64px; height: 64px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: rgba(7,11,20,0.85);
  backdrop-filter: blur(8px);
  color: var(--gold);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  transition: background var(--transition), transform var(--transition);
  box-shadow: 0 4px 24px rgba(201,168,76,0.2);
}
.night-fab:hover { background: var(--gold); color: var(--bg); transform: scale(1.06); }
.night-fab-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  opacity: 0;
  animation: fab-pulse 2.5s ease-out infinite;
}
@keyframes fab-pulse {
  0%   { transform: scale(1);   opacity: 0.6; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ---------- Modal ---------- */
.night-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7,11,20,0.88);
  backdrop-filter: blur(6px);
  z-index: 300;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
@media (min-width: 480px) {
  .night-modal-overlay { align-items: center; }
}
.night-modal-overlay.active { opacity: 1; pointer-events: all; }

.night-modal-box {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px 20px 0 0;
  padding: 32px 24px 40px;
  width: 100%;
  max-width: 440px;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition);
}
@media (min-width: 480px) {
  .night-modal-box { border-radius: 20px; }
}
.night-modal-overlay.active .night-modal-box { transform: translateY(0); }

.night-modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--transition), border-color var(--transition);
}
.night-modal-close:hover { color: var(--text); border-color: var(--text-muted); }

.night-modal-title {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: 6px;
}
.night-modal-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}
.night-modal-options { display: flex; flex-direction: column; gap: 12px; }

.night-modal-option {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  transition: transform var(--transition);
}
.night-modal-option:hover { transform: translateX(4px); }
.night-modal-option strong { display: block; font-size: 0.92rem; margin-bottom: 3px; }
.night-modal-option span  { font-size: 0.8rem; color: var(--text-muted); }
.night-modal-option-phone { background: linear-gradient(135deg, #0f2040, #1a3060); border: 1px solid rgba(255,255,255,0.1); }
.night-modal-option-dm    { background: linear-gradient(135deg, #2a0f3a, #3d1a55); border: 1px solid rgba(255,255,255,0.1); }
.night-modal-option-icon {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.night-modal-option-phone .night-modal-option-icon { background: rgba(59,130,246,0.2); }
.night-modal-option-dm    .night-modal-option-icon { background: rgba(168,85,247,0.2); }
.night-modal-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 20px;
  letter-spacing: 0.04em;
}

/* ---------- Fade-in animation ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: none; }