/* ===================================
   AEROPULSJAPAN — SHAREHOLDER SITE
   株主優待専用スタイルシート
   =================================== */

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

:root {
  --gold:        #C9A84C;
  --gold-light:  #E8C97A;
  --gold-dark:   #9A7A30;
  --black:       #0A0A0A;
  --dark:        #111111;
  --dark-2:      #1A1A1A;
  --dark-3:      #242424;
  --white:       #FFFFFF;
  --gray:        #888888;
  --gray-light:  #CCCCCC;
  --font-serif:  'Cormorant Garamond', 'Noto Serif JP', serif;
  --font-sans:   'Inter', 'Noto Serif JP', sans-serif;
  --transition:  all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 2px; }
::selection { background: var(--gold); color: var(--black); }

/* ── CONTAINER ── */
.sh-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ===================================
   NAVIGATION
   =================================== */
#shNav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}
#shNav.sh-scrolled {
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(201,168,76,0.2);
}
.sh-nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.sh-nav-back {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.45);
  transition: var(--transition);
}
.sh-nav-back:hover { color: var(--gold); }
.sh-nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
}
.sh-logo-main {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--gold);
}
.sh-logo-sub {
  font-size: 0.6rem;
  letter-spacing: 0.5em;
  color: var(--gray-light);
  margin-top: 2px;
}
.sh-nav-right {
  display: flex;
  gap: 32px;
  align-items: center;
}
.sh-nav-link {
  text-decoration: none;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gray-light);
  transition: var(--transition);
  position: relative;
}
.sh-nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: var(--transition);
}
.sh-nav-link:hover { color: var(--gold); }
.sh-nav-link:hover::after { width: 100%; }

.sh-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}
.sh-hamburger span {
  display: block;
  width: 26px; height: 1px;
  background: var(--gold);
  transition: var(--transition);
}
.sh-hamburger.sh-active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.sh-hamburger.sh-active span:nth-child(2) { opacity: 0; }
.sh-hamburger.sh-active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

.sh-mobile-menu {
  display: none;
  background: rgba(10,10,10,0.98);
  backdrop-filter: blur(20px);
  padding: 16px 0;
  border-top: 1px solid rgba(201,168,76,0.2);
}
.sh-mobile-menu.sh-open { display: block; }
.sh-mobile-menu ul { list-style: none; }
.sh-mobile-menu li { border-bottom: 1px solid rgba(201,168,76,0.1); }
.sh-mobile-link {
  display: block;
  padding: 14px 40px;
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--gray-light);
  transition: var(--transition);
}
.sh-mobile-link:hover { color: var(--gold); padding-left: 52px; }

/* ===================================
   HERO
   =================================== */
.sh-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.sh-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(201,168,76,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(201,168,76,0.05) 0%, transparent 50%),
    linear-gradient(135deg, #0A0A0A 0%, #141414 50%, #0D0D0D 100%);
}
.sh-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 80px,
      rgba(201,168,76,0.018) 80px,
      rgba(201,168,76,0.018) 81px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 80px,
      rgba(201,168,76,0.018) 80px,
      rgba(201,168,76,0.018) 81px
    );
}
.sh-hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 24px;
}
.sh-hero-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 28px;
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  color: var(--gold);
}
.sh-badge-line {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
}
.sh-hero-title {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.sh-title-sub {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  letter-spacing: 0.3em;
  color: rgba(201,168,76,0.7);
  font-weight: 300;
}
.sh-title-main {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--white);
  line-height: 1.2;
}
.sh-hero-sub {
  font-size: clamp(0.85rem, 2vw, 1rem);
  color: rgba(255,255,255,0.55);
  line-height: 1.9;
  margin-bottom: 40px;
  letter-spacing: 0.04em;
}
.sh-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  background: var(--gold);
  color: var(--black);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  padding: 16px 36px;
  transition: var(--transition);
  border: 1px solid var(--gold);
  cursor: pointer;
  border-radius: 0;
}
.sh-btn-primary:hover {
  background: transparent;
  color: var(--gold);
}
.sh-btn-full { width: 100%; justify-content: center; }

.sh-hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: rgba(201,168,76,0.5);
}
.sh-scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(201,168,76,0.5), transparent);
  animation: scrollPulse 1.8s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ===================================
   INTRO
   =================================== */
.sh-intro {
  padding: 80px 0;
  background: var(--dark-2);
}
.sh-intro-inner {
  display: flex;
  align-items: center;
  gap: 48px;
}
.sh-intro-icon {
  flex-shrink: 0;
  width: 90px; height: 90px;
  border: 1px solid rgba(201,168,76,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--gold);
}
.sh-intro-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.4;
}
.sh-intro-text p {
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  line-height: 1.9;
}

/* ===================================
   DIVIDER
   =================================== */
.sh-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0 40px;
}
.sh-div-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(201,168,76,0.3), transparent);
}
.sh-div-diamond {
  width: 8px; height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
  margin: 0 16px;
  flex-shrink: 0;
}

/* ===================================
   SECTION HEADER
   =================================== */
.sh-section-header {
  text-align: center;
  margin-bottom: 64px;
}
.sh-section-label {
  display: inline-block;
  font-size: 0.62rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.sh-section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 16px;
}
.sh-section-title em {
  font-style: italic;
  color: var(--gold);
}
.sh-section-desc {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.04em;
}

/* ===================================
   BENEFITS / TIER CARDS
   =================================== */
.sh-benefits-section {
  padding: 100px 0;
  background: var(--black);
}
.sh-tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.sh-tier-card {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 36px 28px;
  position: relative;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}
.sh-tier-card.sh-visible {
  opacity: 1;
  transform: translateY(0);
}
.sh-tier-card:hover {
  border-color: rgba(201,168,76,0.3);
  transform: translateY(-4px);
}

/* Featured (Premium) */
.sh-tier-featured {
  border-color: rgba(201,168,76,0.4) !important;
  background: linear-gradient(160deg, #1a1a0e 0%, #1a1a1a 100%);
  transform: translateY(-8px);
}
.sh-tier-featured.sh-visible {
  transform: translateY(-8px);
}
.sh-tier-featured:hover {
  transform: translateY(-14px) !important;
}

/* VIP */
.sh-tier-vip {
  border-color: rgba(255,255,255,0.15) !important;
}

.sh-tier-rec {
  position: absolute;
  top: -1px; right: 20px;
  background: var(--gold);
  color: var(--black);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 4px 12px;
}
.sh-tier-header {
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding-bottom: 20px;
}
.sh-tier-badge {
  display: inline-block;
  font-size: 0.58rem;
  letter-spacing: 0.35em;
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--gray);
  margin-bottom: 12px;
}
.sh-badge-gold {
  border-color: rgba(201,168,76,0.5) !important;
  color: var(--gold) !important;
}
.sh-badge-dark {
  border-color: rgba(255,255,255,0.3) !important;
  color: var(--white) !important;
}
.sh-tier-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 6px;
}
.sh-tier-cond {
  font-size: 0.75rem;
  color: rgba(201,168,76,0.7);
  letter-spacing: 0.05em;
}
.sh-tier-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}
.sh-tier-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
}
.sh-tier-benefits li .fa-circle-check,
.sh-tier-benefits li .fa-circle {
  color: var(--gold);
  font-size: 0.45rem;
  margin-top: 5px;
  flex-shrink: 0;
}
.sh-tier-note {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.25);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 14px;
  letter-spacing: 0.03em;
}

/* Detail CTA */
.sh-detail-cta {
  text-align: center;
  margin-top: 56px;
}
.sh-detail-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  padding: 18px 44px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.sh-detail-cta-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  opacity: 0;
  transition: var(--transition);
}
.sh-detail-cta-btn:hover { color: var(--black); }
.sh-detail-cta-btn:hover::before { opacity: 1; }
.sh-detail-cta-btn i,
.sh-detail-cta-btn span { position: relative; z-index: 1; }
.sh-detail-cta-btn .fa-crown { font-size: 0.85rem; color: var(--gold-light); transition: var(--transition); }
.sh-detail-cta-btn:hover .fa-crown { color: var(--black); }
.sh-detail-cta-btn .fa-arrow-right { font-size: 0.68rem; opacity: 0.7; }

/* ===================================
   HOTEL SECTION
   =================================== */
.sh-hotel-section {
  padding: 100px 0;
  background: var(--dark-2);
}
.sh-hotel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.sh-hotel-card {
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,0.07);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}
.sh-hotel-card.sh-visible {
  opacity: 1;
  transform: translateY(0);
}
.sh-hotel-card:hover {
  border-color: rgba(201,168,76,0.3);
  transform: translateY(-4px);
}
.sh-hotel-icon {
  width: 64px; height: 64px;
  border: 1px solid rgba(201,168,76,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--gold);
  margin: 0 auto 20px;
}
.sh-hotel-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 12px;
}
.sh-hotel-card p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
}
.sh-hotel-cta {
  text-align: center;
}
.sh-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  border: 1px solid rgba(201,168,76,0.5);
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  padding: 14px 32px;
  transition: var(--transition);
}
.sh-btn-outline:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

/* ===================================
   SCHEDULE
   =================================== */
.sh-schedule-section {
  padding: 100px 0;
  background: var(--black);
}
.sh-schedule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}
.sh-schedule-grid::before {
  content: '';
  position: absolute;
  top: 36px; left: 10%;
  width: 80%;
  height: 1px;
  background: linear-gradient(to right, rgba(201,168,76,0.1), rgba(201,168,76,0.3), rgba(201,168,76,0.1));
}
.sh-schedule-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
}
.sh-schedule-item.sh-visible {
  opacity: 1;
  transform: translateY(0);
}
.sh-schedule-icon {
  width: 72px; height: 72px;
  border: 1px solid rgba(201,168,76,0.4);
  background: var(--dark-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--gold);
  position: relative;
  z-index: 1;
}
.sh-schedule-content { flex: 1; }
.sh-schedule-month {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-bottom: 8px;
}
.sh-schedule-content h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 8px;
}
.sh-schedule-content p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.8;
}

/* ===================================
   CONTACT
   =================================== */
.sh-contact-section {
  padding: 100px 0;
  background: var(--dark-2);
}
.sh-contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}
.sh-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 32px;
}
.sh-contact-icon {
  width: 48px; height: 48px;
  border: 1px solid rgba(201,168,76,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  flex-shrink: 0;
  font-size: 1rem;
}
.sh-contact-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.3);
  margin-bottom: 6px;
}
.sh-contact-value {
  font-size: 0.9rem;
  color: var(--white);
  text-decoration: none;
  transition: var(--transition);
  line-height: 1.5;
}
a.sh-contact-value:hover { color: var(--gold); }

/* Form */
.sh-contact-form-wrap { position: relative; }
.sh-form-group {
  position: relative;
  margin-bottom: 20px;
}
.sh-form-group input,
.sh-form-group textarea,
.sh-form-group select {
  width: 100%;
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  padding: 14px 16px;
  outline: none;
  transition: var(--transition);
  appearance: none;
  -webkit-appearance: none;
}
.sh-form-group input:focus,
.sh-form-group textarea:focus,
.sh-form-group select:focus {
  border-color: rgba(201,168,76,0.5);
  background: rgba(26,26,20,0.8);
}
.sh-form-group input::placeholder,
.sh-form-group textarea::placeholder { color: rgba(255,255,255,0.25); }
.sh-form-group select { color: rgba(255,255,255,0.6); cursor: pointer; }
.sh-form-group select option { background: var(--dark-3); color: var(--white); }
.sh-form-group label {
  position: absolute;
  top: -8px; left: 12px;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  background: var(--dark-2);
  padding: 0 4px;
  pointer-events: none;
  opacity: 0;
  transition: var(--transition);
}
.sh-form-group input:not(:placeholder-shown) + label,
.sh-form-group textarea:not(:placeholder-shown) + label {
  opacity: 1;
}

.sh-form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  gap: 20px;
}
.sh-form-success .fa-circle-check {
  font-size: 2.5rem;
  color: var(--gold);
}
.sh-form-success p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 2;
}

/* ===================================
   FOOTER
   =================================== */
.sh-footer {
  background: var(--dark);
  border-top: 1px solid rgba(201,168,76,0.2);
  padding: 48px 0;
}
.sh-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 28px;
}
.sh-footer-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.sh-footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.sh-footer-links a {
  text-decoration: none;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--gray);
  transition: var(--transition);
}
.sh-footer-links a:hover { color: var(--gold); }
.sh-footer-copy { text-align: right; }
.sh-footer-copy p {
  font-size: 0.72rem;
  color: var(--gray);
  letter-spacing: 0.05em;
  line-height: 1.8;
}
.sh-footer-rep { color: rgba(201,168,76,0.6) !important; }

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
  .sh-tier-grid,
  .sh-hotel-grid { grid-template-columns: repeat(2, 1fr); }
  .sh-tier-featured { transform: translateY(0); }
  .sh-tier-featured.sh-visible { transform: translateY(0); }
  .sh-tier-featured:hover { transform: translateY(-6px) !important; }
  .sh-schedule-grid { grid-template-columns: 1fr; gap: 32px; }
  .sh-schedule-grid::before { display: none; }
  .sh-schedule-item { flex-direction: row; text-align: left; }
  .sh-contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sh-container { padding: 0 24px; }
  .sh-tier-grid,
  .sh-hotel-grid { grid-template-columns: 1fr; }
  .sh-nav-right { display: none; }
  .sh-hamburger { display: flex; }
  .sh-nav-back span { display: none; }
  .sh-intro-inner { flex-direction: column; gap: 28px; }
  .sh-intro-icon { width: 64px; height: 64px; font-size: 1.6rem; }
  .sh-footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .sh-footer-copy { text-align: center; }
  .sh-footer-links { justify-content: center; }
  .sh-benefits-section,
  .sh-hotel-section,
  .sh-schedule-section,
  .sh-contact-section { padding: 72px 0; }
  .sh-section-header { margin-bottom: 48px; }
}