:root {
  --black: #141210;
  --black-soft: #1c1917;
  --black-card: #232019;
  --gold: #c9a24b;
  --gold-bright: #e0b968;
  --gold-soft: #e8dcc4;
  --off-white: #f5f2ec;
  --gray-text: #a89f92;
  --text-dark: #2a2620;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  color: var(--text-dark);
  background: var(--off-white);
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

.inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 100px 24px;
}

.gold-text {
  color: var(--gold);
}

.light {
  color: var(--off-white);
}

.pc-only {
  display: inline;
}

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- section labels ---------- */
.section-eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 14px;
}
.section-lead {
  color: var(--gray-text);
  margin-top: 10px;
  margin-bottom: 40px;
}
h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.3rem);
  letter-spacing: 0.04em;
  font-weight: 700;
  position: relative;
  padding-bottom: 22px;
  margin-bottom: 30px;
}
h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
}

/* ---------- buttons ---------- */
.btn-gold, .btn-gold-sm, .btn-gold-lg {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: var(--black);
  font-weight: 700;
  border-radius: 4px;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 8px 22px rgba(201, 162, 75, 0.35);
}
.btn-gold { padding: 16px 34px; font-size: 0.95rem; letter-spacing: 0.05em; }
.btn-gold-sm { padding: 11px 0; width: 100%; font-size: 0.88rem; }
.btn-gold-lg { padding: 20px 52px; font-size: 1.05rem; margin-top: 28px; }
.btn-gold:hover, .btn-gold-sm:hover, .btn-gold-lg:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(201, 162, 75, 0.45);
}

.btn-outline {
  display: inline-block;
  padding: 16px 34px;
  border: 1px solid var(--gold-soft);
  color: var(--off-white);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  border-radius: 4px;
  transition: background 0.25s ease;
}
.btn-outline:hover {
  background: rgba(232, 220, 196, 0.1);
}
.btn-outline-sm {
  display: block;
  padding: 11px 0;
  width: 100%;
  text-align: center;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.88rem;
  border-radius: 4px;
  transition: background 0.25s ease;
}
.btn-outline-sm:hover {
  background: rgba(201, 162, 75, 0.08);
}

/* ---------- header ---------- */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 200;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
#header.scrolled {
  background: rgba(20, 18, 16, 0.92);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  backdrop-filter: blur(6px);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--off-white);
}
.logo span {
  color: var(--gold);
}
#nav {
  display: flex;
  gap: 28px;
}
#nav a {
  font-size: 0.85rem;
  color: var(--off-white);
  letter-spacing: 0.03em;
  position: relative;
  padding-bottom: 4px;
}
#nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.25s ease;
}
#nav a:hover::after {
  width: 100%;
}
.nav-cta {
  padding: 10px 22px;
  font-size: 0.82rem;
}
#hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 210;
}
#hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--off-white);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
#hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#hamburger.open span:nth-child(2) { opacity: 0; }
#hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

#mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(78vw, 320px);
  height: 100vh;
  background: var(--black-soft);
  z-index: 199;
  display: flex;
  flex-direction: column;
  padding: 100px 32px 40px;
  gap: 24px;
  transition: right 0.35s ease;
  box-shadow: -10px 0 30px rgba(0,0,0,0.3);
}
#mobile-menu.open {
  right: 0;
}
#mobile-menu a {
  color: var(--off-white);
  font-size: 1rem;
  letter-spacing: 0.03em;
}
#mobile-menu .btn-gold {
  margin-top: 12px;
}

/* ---------- hero ---------- */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,9,8,0.55) 0%, rgba(10,9,8,0.75) 55%, rgba(10,9,8,0.95) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--off-white);
  padding: 0 24px;
  max-width: 800px;
}
.hero-content .eyebrow {
  color: var(--gold);
  letter-spacing: 0.3em;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 22px;
}
.hero-content h1 {
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin-bottom: 24px;
}
.hero-lead {
  color: var(--gray-text);
  font-size: 1rem;
  margin-bottom: 40px;
}
.hero-btns {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}
.scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: var(--gray-text);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.scroll-cue span {
  width: 1px;
  height: 34px;
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: scrollDown 1.8s ease infinite;
}
@keyframes scrollDown {
  0% { opacity: 0; transform: translateY(-8px); }
  50% { opacity: 1; }
  100% { opacity: 0; transform: translateY(8px); }
}

/* ---------- nayami ---------- */
#nayami {
  background: var(--black);
  color: var(--off-white);
}
.nayami-list {
  max-width: 620px;
  margin: 0 auto 36px;
}
.nayami-list li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(232, 220, 196, 0.12);
  color: var(--gray-text);
  font-size: 0.98rem;
}
.nayami-list .check {
  color: var(--gold);
  font-weight: 700;
  flex-shrink: 0;
}
#nayami .inner {
  text-align: center;
}
.nayami-lead {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--off-white);
}

/* ---------- reason ---------- */
#reason {
  background: var(--black-soft);
  color: var(--off-white);
}
#reason .inner {
  text-align: center;
  padding-bottom: 70px;
}
.reason-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 50px;
  text-align: left;
}
.reason-card {
  background: var(--black-card);
  padding: 40px 28px;
  border-radius: 6px;
  border: 1px solid rgba(201, 162, 75, 0.18);
}
.reason-no {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gold);
  opacity: 0.6;
  margin-bottom: 10px;
}
.reason-card h3 {
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.reason-card p {
  color: var(--gray-text);
  font-size: 0.92rem;
}

.band {
  position: relative;
  height: 340px;
  overflow: hidden;
}
.band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}
.band-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,9,8,0.85) 0%, rgba(10,9,8,0.4) 60%, rgba(10,9,8,0.75) 100%);
}
.band-copy {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--off-white);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.7;
  padding: 0 24px;
}

/* ---------- price ---------- */
#price {
  background: var(--off-white);
}
#price .inner {
  text-align: center;
}
.price-table {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 20px;
  text-align: left;
}
.price-card {
  background: #fff;
  border: 1px solid #e4ddd0;
  border-radius: 8px;
  padding: 36px 28px;
  box-shadow: 0 10px 30px rgba(20,18,16,0.05);
  position: relative;
}
.price-card.recommend {
  border: 2px solid var(--gold);
  box-shadow: var(--shadow);
  transform: scale(1.03);
}
.recommend-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--black);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 20px;
  letter-spacing: 0.05em;
}
.price-card h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}
.price-part {
  color: var(--gray-text);
  font-size: 0.85rem;
  margin-bottom: 18px;
}
.price-value {
  font-size: 1rem;
  color: var(--text-dark);
  margin-bottom: 22px;
}
.price-value span {
  font-size: 2rem;
  font-weight: 700;
  color: var(--black);
  margin-right: 4px;
}
.price-card ul {
  margin-bottom: 26px;
}
.price-card li {
  font-size: 0.88rem;
  color: #5a5347;
  padding: 7px 0;
  border-top: 1px dashed #e4ddd0;
}
.price-card li:first-child {
  border-top: none;
}
.price-note {
  margin-top: 30px;
  font-size: 0.8rem;
  color: var(--gray-text);
}

/* ---------- before / after ---------- */
#beforeafter {
  background: var(--off-white);
}
#beforeafter .inner {
  text-align: center;
}
.ba-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
  text-align: left;
}
.ba-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.ba-item img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.ba-item figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 24px;
  background: linear-gradient(0deg, rgba(10,9,8,0.9), rgba(10,9,8,0));
  color: var(--off-white);
}
.ba-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 4px 12px;
  border-radius: 3px;
  margin-bottom: 10px;
}
.ba-tag.before {
  background: rgba(232, 220, 196, 0.15);
  color: var(--gray-text);
  border: 1px solid var(--gray-text);
}
.ba-tag.after {
  background: var(--gold);
  color: var(--black);
}
.ba-note {
  margin-top: 22px;
  font-size: 0.8rem;
  color: var(--gray-text);
}

/* ---------- flow ---------- */
#flow {
  background: #fff;
}
#flow .inner {
  text-align: center;
}
.flow-list {
  max-width: 680px;
  margin: 40px auto 0;
  text-align: left;
  position: relative;
}
.flow-list::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), #e4ddd0);
}
.flow-list li {
  display: flex;
  gap: 26px;
  padding-bottom: 46px;
  position: relative;
}
.flow-list li:last-child {
  padding-bottom: 0;
}
.flow-no {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--black);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  z-index: 1;
  border: 2px solid var(--gold);
}
.flow-list h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.flow-list p {
  color: #5a5347;
  font-size: 0.92rem;
}

/* ---------- staff ---------- */
#staff {
  background: var(--black);
  color: var(--off-white);
}
#staff .inner {
  text-align: center;
}
.staff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 46px;
  text-align: center;
}
.staff-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 20px;
  border: 2px solid var(--gold);
}
.staff-card h3 {
  font-size: 1rem;
  margin-bottom: 10px;
}
.staff-card p {
  color: var(--gray-text);
  font-size: 0.88rem;
}

/* ---------- voice ---------- */
#voice {
  background: var(--off-white);
}
#voice .inner {
  text-align: center;
}
.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
  text-align: left;
}
.voice-card {
  background: #fff;
  border: 1px solid #e4ddd0;
  border-radius: 8px;
  padding: 34px 26px;
}
.quote-mark {
  font-size: 2.6rem;
  color: var(--gold);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 6px;
}
.voice-text {
  font-size: 0.94rem;
  color: #4a4438;
  margin-bottom: 20px;
}
.voice-name {
  font-size: 0.82rem;
  color: var(--gray-text);
}

/* ---------- faq ---------- */
#faq {
  background: #fff;
}
#faq .inner {
  max-width: 780px;
  text-align: center;
}
.faq-list {
  text-align: left;
  margin-top: 30px;
}
.faq-list details {
  border-bottom: 1px solid #e4ddd0;
  padding: 20px 0;
}
.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.98rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-icon {
  color: var(--gold);
  font-size: 1.2rem;
  transition: transform 0.25s ease;
}
.faq-list details[open] .faq-icon {
  transform: rotate(45deg);
}
.faq-list p {
  margin-top: 14px;
  color: #5a5347;
  font-size: 0.9rem;
}

/* ---------- access ---------- */
#access {
  background: var(--black-soft);
  color: var(--off-white);
}
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
  align-items: start;
}
.access-info dl {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 14px 20px;
}
.access-info dt {
  color: var(--gold);
  font-size: 0.85rem;
  font-weight: 700;
}
.access-info dd {
  font-size: 0.92rem;
  color: var(--gray-text);
}
.access-map iframe {
  border-radius: 6px;
  filter: grayscale(0.3) contrast(1.05);
}

/* ---------- reserve ---------- */
#reserve {
  background: linear-gradient(135deg, var(--black), #24201a);
  text-align: center;
}
#reserve .inner p {
  color: var(--gray-text);
  max-width: 480px;
  margin: 0 auto;
}
.reserve-note {
  margin-top: 18px;
  font-size: 0.78rem;
  color: var(--gray-text) !important;
}

/* ---------- fab ---------- */
#fab-reserve {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: var(--black);
  border: none;
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(201, 162, 75, 0.45);
  z-index: 150;
  opacity: 0;
  transform: translateY(20px) scale(0.9);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
#fab-reserve.show {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* ---------- footer ---------- */
footer {
  background: var(--black);
  color: var(--gray-text);
  text-align: center;
  padding: 50px 24px 34px;
}
.footer-logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--off-white);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.footer-logo span {
  color: var(--gold);
}
footer p {
  font-size: 0.78rem;
  margin-bottom: 8px;
}
footer a {
  color: var(--gold-soft);
  text-decoration: underline;
}

.back-home {
  position: fixed;
  left: 1.5rem;
  bottom: 1.5rem;
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: linear-gradient(155deg, #ffb46b 0%, #f0964f 45%, #c17a52 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.8rem;
  font-weight: bold;
  line-height: 1.4;
  text-decoration: none;
  box-shadow:
    0 16px 28px rgba(193, 122, 82, 0.45),
    0 6px 12px rgba(74, 50, 34, 0.3),
    inset 0 1px 2px rgba(255, 255, 255, 0.45),
    inset 0 -3px 5px rgba(120, 60, 20, 0.25);
  z-index: 100;
  transition: transform 0.2s, box-shadow 0.2s;
}

.back-home:hover {
  transform: translateY(-5px) scale(1.06);
  box-shadow:
    0 22px 34px rgba(193, 122, 82, 0.55),
    0 8px 14px rgba(74, 50, 34, 0.35),
    inset 0 1px 2px rgba(255, 255, 255, 0.5),
    inset 0 -3px 5px rgba(120, 60, 20, 0.3);
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  #nav {
    display: none;
  }
  .nav-cta {
    display: none;
  }
  #hamburger {
    display: flex;
  }
  .reason-grid, .price-table, .staff-grid, .voice-grid {
    grid-template-columns: 1fr;
  }
  .price-card.recommend {
    transform: none;
    order: -1;
  }
  .access-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .inner {
    padding: 70px 20px;
  }
  .pc-only {
    display: none;
  }
  .ba-grid {
    grid-template-columns: 1fr;
  }
  .ba-item img {
    height: 300px;
  }
  .band {
    height: 260px;
  }
  #fab-reserve {
    width: 58px;
    height: 58px;
    right: 16px;
    bottom: 16px;
  }
  .back-home {
    width: 68px;
    height: 68px;
    font-size: 0.65rem;
    left: 1rem;
    bottom: 1rem;
  }
}