/* ===================================
   悠久の丘 LP — style.css
   配色: 深緑 / 金 / 白 / 温クリーム
   =================================== */

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

:root {
  --deep:    #1a2a1e;   /* 深緑（メインダーク） */
  --green:   #2d4a32;   /* 緑（アクセント） */
  --gold:    #b8976a;   /* 金（ポイント） */
  --gold-lt: #d4b896;   /* 淡金 */
  --cream:   #f5f0e8;   /* クリーム（背景） */
  --white:   #ffffff;
  --text:    #2c2c2c;
  --gray:    #6b7280;
  --light:   #f9f7f3;

  --serif-ja: 'Noto Serif JP', 'Yu Mincho', serif;
  --serif-en: 'Cormorant Garamond', 'Playfair Display', serif;

  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.14);
  --trans: .35s ease;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--serif-ja);
  color: var(--text);
  background: var(--white);
  line-height: 1.8;
  font-weight: 300;
  overflow-x: hidden;
}

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

/* ── Reveal アニメーション ─────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Buttons ───────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--serif-ja);
  font-weight: 400;
  font-size: .95rem;
  letter-spacing: .08em;
  cursor: pointer;
  transition: all var(--trans);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--gold);
  color: var(--white);
  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(184,151,106,.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
}
.btn-white {
  background: var(--white);
  color: var(--deep);
  border-color: var(--white);
  font-size: 1.1rem;
}
.btn-white:hover {
  background: var(--cream);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}
.btn-lg { padding: 18px 40px; font-size: 1rem; }

/* ── Section Defaults ──────────────── */
.section { padding: 96px 0; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.section-label {
  font-family: var(--serif-en);
  font-size: .85rem;
  letter-spacing: .25em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--serif-ja);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 300;
  line-height: 1.5;
  margin-bottom: 24px;
  color: var(--deep);
}
.section-lead {
  font-size: 1rem;
  color: var(--gray);
  line-height: 2;
  max-width: 640px;
  margin-bottom: 56px;
}

/* ── HEADER ────────────────────────── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background var(--trans), box-shadow var(--trans), padding var(--trans);
}
.header.scrolled {
  background: rgba(26,42,30,.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 20px rgba(0,0,0,.2);
  padding: 12px 0;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--white);
  margin-right: auto;
}
.logo-en {
  font-family: var(--serif-en);
  font-size: .75rem;
  letter-spacing: .2em;
  color: var(--gold-lt);
  font-style: italic;
}
.logo-ja {
  font-family: var(--serif-ja);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: .1em;
}
.nav-list {
  display: flex;
  gap: 36px;
  list-style: none;
}
.nav-list a {
  color: rgba(255,255,255,.85);
  font-size: .88rem;
  letter-spacing: .06em;
  transition: color var(--trans);
  font-family: var(--serif-ja);
  font-weight: 300;
}
.nav-list a:hover { color: var(--gold-lt); }
.header-tel {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--gold-lt);
  font-size: .9rem;
  font-weight: 400;
  letter-spacing: .05em;
  transition: color var(--trans);
  white-space: nowrap;
}
.header-tel:hover { color: var(--white); }

/* hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--trans);
}
.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); }

/* ── HERO ──────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    #0d1f10 0%,
    #1a3520 30%,
    #243b28 60%,
    #1a2a1e 100%
  );
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(184,151,106,.12) 0%, transparent 65%),
              radial-gradient(ellipse at 80% 70%, rgba(45,74,50,.4) 0%, transparent 60%);
}

/* 花びら装飾 */
.petal {
  position: absolute;
  border-radius: 50% 0;
  opacity: 0.06;
  animation: floatPetal linear infinite;
}
.petal-1 { width: 180px; height: 180px; background: var(--gold); top: 10%; left: 8%; animation-duration: 18s; animation-delay: 0s; }
.petal-2 { width: 120px; height: 120px; background: var(--gold-lt); top: 60%; left: 3%; animation-duration: 22s; animation-delay: -4s; }
.petal-3 { width: 220px; height: 220px; background: var(--gold); top: 20%; right: 6%; animation-duration: 15s; animation-delay: -8s; }
.petal-4 { width: 90px; height: 90px; background: var(--gold-lt); top: 70%; right: 12%; animation-duration: 20s; animation-delay: -2s; }
.petal-5 { width: 150px; height: 150px; background: var(--gold); top: 80%; left: 40%; animation-duration: 25s; animation-delay: -12s; }

@keyframes floatPetal {
  0% { transform: translateY(0) rotate(0deg); opacity: .06; }
  50% { opacity: .12; }
  100% { transform: translateY(-80px) rotate(180deg); opacity: .04; }
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
  max-width: 760px;
  padding: 0 24px;
}
.hero-sub {
  font-family: var(--serif-ja);
  font-size: .85rem;
  letter-spacing: .25em;
  color: var(--gold-lt);
  margin-bottom: 20px;
  font-weight: 300;
}
.hero-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 32px;
}
.hero-title-en {
  font-family: var(--serif-en);
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  font-weight: 300;
  font-style: italic;
  color: var(--gold-lt);
  letter-spacing: .2em;
}
.hero-title-ja {
  font-family: var(--serif-ja);
  font-size: clamp(3rem, 9vw, 6rem);
  font-weight: 300;
  letter-spacing: .12em;
  line-height: 1.1;
}
.hero-copy {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 200;
  line-height: 2;
  margin-bottom: 40px;
  color: rgba(255,255,255,.9);
  letter-spacing: .05em;
}
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.hero-note {
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  letter-spacing: .06em;
}

/* scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.4);
}
.hero-scroll span {
  display: block;
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,.3);
  animation: scrollLine 2s ease-in-out infinite;
}
.hero-scroll p { font-size: .7rem; letter-spacing: .15em; font-family: var(--serif-en); }
@keyframes scrollLine {
  0%, 100% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
}

/* ── STRIP ─────────────────────────── */
.strip {
  background: var(--deep);
  padding: 48px 0;
}
.strip-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.strip-item {
  text-align: center;
  padding: 32px 16px;
  color: var(--white);
  border-right: 1px solid rgba(255,255,255,.08);
  transition: background var(--trans);
}
.strip-item:last-child { border-right: none; }
.strip-item:hover { background: rgba(255,255,255,.04); }
.strip-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}
.strip-title {
  font-size: .9rem;
  font-weight: 300;
  line-height: 1.6;
  color: rgba(255,255,255,.85);
  letter-spacing: .05em;
}

/* ── ABOUT ─────────────────────────── */
.about { background: var(--light); }

.about-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.about-card {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--gold);
  transition: transform var(--trans), box-shadow var(--trans);
}
.about-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.about-card-num {
  font-family: var(--serif-en);
  font-size: 3rem;
  color: var(--gold);
  opacity: .3;
  line-height: 1;
  margin-bottom: 16px;
}
.about-card-title {
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 12px;
  color: var(--deep);
  letter-spacing: .04em;
}
.about-card-body {
  font-size: .9rem;
  color: var(--gray);
  line-height: 1.9;
}

/* ── HIGHLIGHT ─────────────────────── */
.highlight {
  background: linear-gradient(135deg, var(--deep) 0%, var(--green) 100%);
  padding: 72px 0;
}
.highlight-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr) repeat(3, auto);
  align-items: center;
  gap: 0;
}
.highlight-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.highlight-item {
  text-align: center;
  color: var(--white);
  padding: 24px 48px;
  flex: 1;
  min-width: 200px;
}
.highlight-num {
  font-family: var(--serif-en);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  color: var(--gold-lt);
  letter-spacing: .02em;
  line-height: 1;
}
.highlight-unit {
  font-size: 1rem;
  color: var(--gold-lt);
  margin-left: 4px;
}
.highlight-label {
  font-size: .82rem;
  color: rgba(255,255,255,.65);
  margin-top: 8px;
  letter-spacing: .06em;
}
.highlight-divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,.15);
}

/* ── PLAN ──────────────────────────── */
.plan { background: var(--white); }
.plan-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.plan-card {
  background: var(--light);
  border-radius: var(--r-lg);
  padding: 32px 24px;
  position: relative;
  border: 2px solid transparent;
  transition: all var(--trans);
}
.plan-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.plan-card.popular {
  background: var(--white);
  border-color: var(--gold);
  box-shadow: var(--shadow-lg);
}
.plan-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .72rem;
  letter-spacing: .06em;
  background: var(--deep);
  color: rgba(255,255,255,.7);
  margin-bottom: 16px;
}
.plan-badge.best {
  background: var(--gold);
  color: var(--white);
}
.plan-name {
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--deep);
  margin-bottom: 12px;
  letter-spacing: .06em;
}
.plan-desc {
  font-size: .85rem;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 20px;
}
.plan-price {
  font-size: .85rem;
  color: var(--gold);
  margin-bottom: 16px;
  font-weight: 400;
}
.plan-price span {
  font-family: var(--serif-en);
  font-size: 2rem;
  font-weight: 300;
}
.plan-includes {
  list-style: none;
  border-top: 1px solid rgba(0,0,0,.06);
  padding-top: 16px;
}
.plan-includes li {
  font-size: .82rem;
  color: var(--gray);
  padding: 5px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.plan-includes li::before {
  content: '✓';
  color: var(--gold);
  font-size: .9rem;
  flex-shrink: 0;
}
.plan-note {
  font-size: .82rem;
  color: var(--gray);
  text-align: center;
  margin-bottom: 32px;
}
.plan-cta { text-align: center; }

/* ── FLOW ──────────────────────────── */
.flow { background: var(--light); }
.flow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}
.flow-steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold) 0%, rgba(184,151,106,.1) 100%);
}
.flow-step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 28px 0;
  position: relative;
}
.flow-step-num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif-en);
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: .05em;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--light);
}
.flow-step-content h3 {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--deep);
  margin-bottom: 8px;
  margin-top: 14px;
  letter-spacing: .04em;
}
.flow-step-content p {
  font-size: .88rem;
  color: var(--gray);
  line-height: 1.9;
}

/* ── VOICE ─────────────────────────── */
.voice { background: var(--white); }
.voice-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.voice-card {
  background: var(--light);
  border-radius: var(--r-lg);
  padding: 36px 28px;
  border-left: 3px solid var(--gold);
  transition: box-shadow var(--trans);
}
.voice-card:hover { box-shadow: var(--shadow-lg); }
.voice-stars { color: var(--gold); font-size: 1rem; margin-bottom: 16px; letter-spacing: .1em; }
.voice-body {
  font-size: .88rem;
  line-height: 2;
  color: var(--text);
  margin-bottom: 20px;
  font-style: italic;
}
.voice-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.voice-name {
  font-size: .82rem;
  font-weight: 400;
  color: var(--deep);
}
.voice-plan {
  font-size: .75rem;
  color: var(--gold);
}

/* ── CTA BAND ──────────────────────── */
.cta-band {
  background: linear-gradient(135deg, var(--deep) 0%, #0d1a10 100%);
  padding: 72px 0;
}
.cta-band-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.cta-band-text h2 {
  font-family: var(--serif-ja);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 300;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: .05em;
}
.cta-band-text p {
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  line-height: 1.8;
}
.cta-band-actions {
  flex-shrink: 0;
  text-align: center;
}
.cta-band-sub {
  font-size: .78rem;
  color: rgba(255,255,255,.4);
  margin-top: 10px;
  letter-spacing: .08em;
}

/* ── ACCESS ────────────────────────── */
.access { background: var(--white); }
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.access-block h3 {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--deep);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gold);
  letter-spacing: .06em;
}
.access-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
}
.access-table th, .access-table td {
  padding: 12px 8px;
  border-bottom: 1px solid rgba(0,0,0,.06);
  font-size: .88rem;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}
.access-table th {
  color: var(--gold);
  font-weight: 400;
  width: 90px;
  white-space: nowrap;
}
.access-table td a { color: var(--gold); }
.access-contact { text-align: center; }
.access-note {
  font-size: .75rem;
  color: var(--gray);
  margin-top: 12px;
}
.access-map iframe {
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
}

/* ── FOOTER ────────────────────────── */
.footer {
  background: var(--deep);
  padding: 64px 0 0;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px 48px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 48px;
  align-items: start;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--white);
}
.footer-tagline {
  font-size: .78rem;
  color: rgba(255,255,255,.4);
  margin-top: 6px;
  letter-spacing: .08em;
}
.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
  list-style: none;
  padding-top: 6px;
}
.footer-nav a {
  font-size: .82rem;
  color: rgba(255,255,255,.5);
  letter-spacing: .06em;
  transition: color var(--trans);
}
.footer-nav a:hover { color: var(--gold-lt); }
.footer-tel {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-tel a {
  font-family: var(--serif-en);
  font-size: 1.6rem;
  color: var(--gold-lt);
  letter-spacing: .05em;
}
.footer-tel span {
  font-size: .72rem;
  color: rgba(255,255,255,.4);
  letter-spacing: .08em;
}
.footer-copy {
  text-align: center;
  padding: 20px;
  font-size: .78rem;
  color: rgba(255,255,255,.3);
  letter-spacing: .08em;
}

/* ── 固定TELボタン（SP） ─────────────── */
.fixed-tel {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: 999;
  background: var(--gold);
  color: var(--white);
  border-radius: 50px;
  padding: 14px 22px;
  gap: 8px;
  align-items: center;
  font-size: .88rem;
  font-weight: 400;
  box-shadow: 0 6px 24px rgba(184,151,106,.5);
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(184,151,106,.5); }
  50% { box-shadow: 0 8px 32px rgba(184,151,106,.8); }
}

/* ── RESPONSIVE ────────────────────── */
@media (max-width: 900px) {
  .nav { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(26,42,30,.97); z-index: 999; flex-direction: column; align-items: center; justify-content: center; }
  .nav.open { display: flex; }
  .nav-list { flex-direction: column; gap: 32px; text-align: center; }
  .nav-list a { font-size: 1.3rem; }
  .header-tel { display: none; }
  .hamburger { display: flex; position: relative; z-index: 1000; }

  .strip-inner { grid-template-columns: repeat(2, 1fr); }
  .strip-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); }
  .about-cards { grid-template-columns: 1fr; }
  .plan-cards { grid-template-columns: repeat(2, 1fr); }
  .voice-cards { grid-template-columns: 1fr; }
  .access-grid { grid-template-columns: 1fr; }
  .cta-band-inner { flex-direction: column; text-align: center; }
  .footer-inner { grid-template-columns: 1fr; }

  .fixed-tel { display: flex; }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .plan-cards { grid-template-columns: 1fr; }
  .strip-inner { grid-template-columns: 1fr 1fr; }
  .highlight-divider { display: none; }
  .highlight-item { min-width: 140px; padding: 16px 24px; }

  .hero-cta { flex-direction: column; align-items: center; }
  .btn-lg { width: 100%; justify-content: center; }
}