/* ===========================
   AEROPULSJAPAN - STYLE SHEET
   Premium Luxury Design
   =========================== */

/* ── 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-color: var(--black);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 2px; }

/* ── SELECTION ── */
::selection { background: var(--gold); color: var(--black); }

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

/* ===========================
   NAVIGATION
   =========================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 24px 0;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  padding: 14px 0;
  border-bottom: 1px solid rgba(201, 168, 76, 0.2);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-main {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--gold);
}
.logo-sub {
  font-size: 0.65rem;
  letter-spacing: 0.5em;
  color: var(--gray-light);
  margin-top: 2px;
}

.nav-links {
  list-style: none;
  display: none;
  align-items: center;
  gap: 40px;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gray-light);
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  border: 1px solid var(--gold) !important;
  padding: 8px 20px !important;
  color: var(--gold) !important;
  border-radius: 0 !important;
}
.nav-cta:hover {
  background: var(--gold) !important;
  color: var(--black) !important;
}
.nav-cta::after { display: none !important; }

/* Hamburger — always visible */
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 地球マーク */
.nav-globe {
  font-size: 1rem;
  color: var(--gold);
  opacity: 0.7;
  cursor: pointer;
  transition: opacity 0.3s, transform 0.5s;
}
.lang-switcher:hover .nav-globe,
.lang-switcher.open .nav-globe {
  opacity: 1;
  transform: rotate(30deg);
}

/* 言語ドロップダウン */
.lang-switcher {
  position: relative;
  display: flex;
  align-items: center;
}

.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  min-width: 170px;
  background: rgba(10, 10, 10, 0.97);
  border: 1px solid rgba(201, 168, 76, 0.35);
  border-radius: 8px;
  list-style: none;
  padding: 6px 0;
  margin: 0;
  box-shadow: 0 12px 32px rgba(0,0,0,0.6);
  z-index: 10000;
  animation: langDropIn 0.18s ease;
  backdrop-filter: blur(12px);
}

@keyframes langDropIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.lang-switcher.open .lang-dropdown {
  display: block;
}

.lang-dropdown li {
  padding: 10px 18px;
  color: #ccc;
  font-size: 0.82rem;
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.lang-dropdown li:hover {
  background: rgba(201, 168, 76, 0.1);
  color: var(--gold);
}

.lang-dropdown li.active {
  color: var(--gold);
  font-weight: 600;
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 28px; height: 1px;
  background: var(--gold);
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

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

/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(201, 168, 76, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(201, 168, 76, 0.04) 0%, transparent 50%),
    linear-gradient(135deg, #0A0A0A 0%, #141414 50%, #0D0D0D 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url('../images/f1_hero_new.jpg') center/cover no-repeat;
  opacity: 0.18;
}

.hero-video-bg {
  position: absolute;
  inset: 0;
}

/* Particles */
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

/* Grid lines */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.05) 1px, transparent 1px);
  background-size: 80px 80px;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 40px 80px;
  max-width: 900px;
}

.hero-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--gold);
}
.badge-line {
  display: block;
  width: 40px; height: 1px;
  background: var(--gold);
  opacity: 0.7;
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-bottom: 28px;
}
.title-en {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  line-height: 1;
  color: var(--white);
}
.title-en.accent { color: var(--gold); }
/* 「未来へ加速する」小さめ表示 */
.title-sub-jp {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  font-weight: 300;
  letter-spacing: 0.4em;
  color: var(--gray);
  margin-bottom: 8px;
}
.title-jp {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(0.85rem, 1.8vw, 1.1rem);
  font-weight: 300;
  letter-spacing: 0.35em;
  color: var(--gray);
  margin-top: 12px;
}
.title-jp-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  line-height: 1;
  color: var(--white);
  color: var(--gold-light, #e8d5a0);
}

.hero-sub {
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  color: var(--gray);
  line-height: 2;
  letter-spacing: 0.05em;
  margin-bottom: 48px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  background: var(--gold);
  color: var(--black);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold-light);
  transform: translateX(-100%);
  transition: var(--transition);
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary span, .btn-primary i { position: relative; z-index: 1; }
.btn-primary:hover { color: var(--black); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 14px 36px;
  border: 1px solid rgba(201,168,76,0.5);
  color: var(--gold);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--gold);
  background: rgba(201,168,76,0.1);
}

.btn-full { width: 100%; justify-content: center; }

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.hero-scroll span {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--gray);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollAnim 2s ease-in-out infinite;
}
@keyframes scrollAnim {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.5); }
}

/* ===========================
   SECTION COMMONS
   =========================== */
.section-header {
  text-align: center;
  margin-bottom: 72px;
}
.section-label {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 16px;
  position: relative;
}
.section-label::before,
.section-label::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 24px; height: 1px;
  background: var(--gold);
  opacity: 0.6;
}
.section-label::before { right: calc(100% + 12px); }
.section-label::after  { left:  calc(100% + 12px); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.3;
  margin-bottom: 20px;
}
.section-title em {
  font-style: italic;
  color: var(--gold);
}
.section-desc {
  font-size: 0.9rem;
  color: var(--gray);
  letter-spacing: 0.05em;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.9;
}

/* ===========================
   SPONSOR SECTION
   =========================== */
.sponsor-section {
  padding: 120px 0;
  background: var(--dark);
}

.sponsor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.sponsor-card {
  background: var(--dark-2);
  border: 1px solid rgba(201,168,76,0.15);
  overflow: hidden;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}
.sponsor-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.sponsor-card:hover {
  border-color: rgba(201,168,76,0.5);
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(201,168,76,0.1);
}

.sponsor-card-img {
  position: relative;
  height: 260px;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

/* F1 Race - Red Formula 1 Racing Car on Track Action Shot */
.redbull-img {
  background-image: url('../images/f1_action_new.jpg');
  background-position: center 50%;
  background-size: cover;
}

/* 横濱中華學院校友會（YOCS）獅子舞 採青 赤柱パフォーマンス */
.yokohama-lion-img {
  background-image: url('../images/yocs_lion_selected.png');
  background-position: center 30%;
  background-size: cover;
}

.sponsor-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10,10,10,0.1), rgba(10,10,10,0.7));
  display: flex;
  align-items: flex-end;
  padding: 20px;
  transition: var(--transition);
}
.sponsor-card:hover .sponsor-img-overlay {
  background: linear-gradient(to bottom, rgba(10,10,10,0.05), rgba(10,10,10,0.6));
}

.sponsor-icon {
  width: 48px; height: 48px;
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--black);
}

.sponsor-card-body {
  padding: 32px;
}
.sponsor-tag {
  display: inline-block;
  font-size: 0.6rem;
  letter-spacing: 0.35em;
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.4);
  padding: 4px 10px;
  margin-bottom: 16px;
}
.sponsor-card-body h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  color: var(--white);
}
.sponsor-card-body p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.9;
  margin-bottom: 24px;
}

.sponsor-stats {
  display: flex;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--gold);
  letter-spacing: 0.05em;
}
.stat-label {
  font-size: 0.7rem;
  color: var(--gray);
  letter-spacing: 0.1em;
  margin-top: 2px;
}

/* ── SNS Links ── */
.sponsor-sns {
  margin: 16px 0 20px;
}
.sponsor-sns-label {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 10px;
}
.sponsor-sns-links {
  display: flex;
  gap: 10px;
}
.sns-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border: 1px solid rgba(201,168,76,0.35);
  color: var(--gray-light);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
  border-radius: 0;
}
.sns-btn:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}
.sns-note {
  font-size: 0.62rem;
  color: var(--gray);
  margin-top: 8px;
  letter-spacing: 0.03em;
}

/* ── Editable History Year ── */
.history-edit-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
}
.stat-num-plus {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--gold);
}
.edit-year-btn {
  background: none;
  border: 1px solid rgba(201,168,76,0.3);
  color: var(--gold);
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem;
  cursor: pointer;
  margin-left: 6px;
  transition: var(--transition);
  border-radius: 0;
}
.edit-year-btn:hover { background: var(--gold); color: var(--black); }

.year-edit-panel {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.year-edit-panel input[type="number"] {
  width: 80px;
  background: var(--dark-3);
  border: 1px solid rgba(201,168,76,0.5);
  color: var(--white);
  padding: 6px 10px;
  font-size: 0.9rem;
  text-align: center;
  outline: none;
}
.year-save-btn, .year-cancel-btn {
  border: none;
  cursor: pointer;
  font-size: 0.75rem;
  padding: 6px 12px;
  transition: var(--transition);
  border-radius: 0;
}
.year-save-btn {
  background: var(--gold);
  color: var(--black);
  font-weight: 600;
}
.year-save-btn:hover { background: var(--gold-light); }
.year-cancel-btn {
  background: rgba(255,255,255,0.08);
  color: var(--gray-light);
}
.year-cancel-btn:hover { background: rgba(255,255,255,0.15); }

/* ===========================
   GOLD DIVIDER
   =========================== */
.gold-divider {
  display: flex;
  align-items: center;
  padding: 0 40px;
  gap: 0;
}
.divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(201,168,76,0.4), transparent);
}
.divider-diamond {
  width: 10px; height: 10px;
  background: var(--gold);
  transform: rotate(45deg);
  margin: 0 20px;
  flex-shrink: 0;
}

/* ===========================
   SERVICES SECTION
   =========================== */
.services-section {
  padding: 120px 0;
  background: var(--black);
}

.services-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-item {
  display: grid;
  grid-template-columns: 60px 80px 1fr;
  gap: 40px;
  align-items: start;
  padding: 48px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.service-item.visible { opacity: 1; transform: translateY(0); }
.service-item:first-child { border-top: 1px solid rgba(255,255,255,0.07); }
.service-item:hover .service-icon-wrap {
  background: var(--gold);
  color: var(--black);
}

.service-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 300;
  color: rgba(201,168,76,0.2);
  line-height: 1;
  padding-top: 8px;
}

.service-icon-wrap {
  width: 72px; height: 72px;
  border: 1px solid rgba(201,168,76,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--gold);
  transition: var(--transition);
  flex-shrink: 0;
}

.service-content h3 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  color: var(--white);
}
.service-content p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.95;
  margin-bottom: 20px;
  max-width: 680px;
}

.service-features {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}
.service-features li {
  font-size: 0.8rem;
  color: var(--gray-light);
  display: flex;
  align-items: center;
  gap: 8px;
}
.service-features i {
  color: var(--gold);
  font-size: 0.4rem;
}

/* ── Service Image Wrap ── */
.service-img-wrap {
  overflow: hidden;
  padding: 0;
  border: 1px solid rgba(201,168,76,0.2);
}
.service-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}
.service-item:hover .service-img-wrap img { transform: scale(1.05); }

/* ── Service Logo Wrap (石垣の塩・横浜中華学院 ロゴ表示) ── */
.service-logo-wrap {
  width: 160px;
  height: 160px;
  border: 1px solid rgba(201,168,76,0.35);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  padding: 16px;
}
.service-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform 0.4s ease;
}
.service-item:hover .service-logo-img { transform: scale(1.06); }
.service-logo-fallback {
  object-fit: cover;
  padding: 0;
  border-radius: 0;
}

/* ── Tourism Icon Wrap ── */
.tourism-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.3);
  transition: var(--transition);
  width: 72px; height: 72px;
  flex-shrink: 0;
}
.service-item:hover .tourism-icon-wrap {
  background: var(--gold);
  color: var(--black);
}

/* ── Tourism Detail Box ── */
.tourism-detail-box {
  margin: 16px 0 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.tourism-point {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  background: rgba(201,168,76,0.04);
  border-left: 2px solid rgba(201,168,76,0.5);
}
.tourism-point > i {
  color: var(--gold);
  font-size: 0.95rem;
  margin-top: 3px;
  flex-shrink: 0;
}
.tourism-point strong {
  display: block;
  font-size: 0.88rem;
  color: var(--white);
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}
.tourism-point p {
  font-size: 0.82rem !important;
  color: var(--gray) !important;
  line-height: 1.8 !important;
  margin: 0 !important;
}
.tourism-point em {
  color: var(--gold);
  font-style: normal;
  font-size: 0.78rem;
}
.tourism-note-sm {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.78rem;
  color: var(--gray);
  line-height: 1.7;
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.tourism-note-sm i {
  color: var(--gold);
  font-size: 0.8rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* ── Service Link Button ── */
.service-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding: 12px 28px;
  background: transparent;
  border: 1px solid rgba(201,168,76,0.5);
  color: var(--gold);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  transition: var(--transition);
}
.service-link-btn:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}
.service-link-btn i { font-size: 0.7rem; transition: transform 0.3s ease; }
.service-link-btn:hover i { transform: translateX(4px); }

/* ===========================
   ABOUT SECTION
   =========================== */
.about-section {
  padding: 120px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.about-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 0% 50%, rgba(201,168,76,0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 100% 50%, rgba(201,168,76,0.03) 0%, transparent 60%);
  pointer-events: none;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

/* About Visual */
.about-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 400px;
}
.about-circle-1,
.about-circle-2 {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(201,168,76,0.2);
}
.about-circle-1 {
  width: 320px; height: 320px;
  animation: rotate 20s linear infinite;
}
.about-circle-2 {
  width: 240px; height: 240px;
  animation: rotate 15s linear infinite reverse;
  border-color: rgba(201,168,76,0.1);
}
@keyframes rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.about-logo-display {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
}
.abl-main {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--gold);
}
.abl-sub {
  font-size: 0.8rem;
  letter-spacing: 0.6em;
  color: var(--gray);
  margin-top: 4px;
}

/* About Table */
.about-right .section-label { display: block; margin-bottom: 12px; }
.about-right .section-title { margin-bottom: 40px; text-align: left; }

.about-table {
  margin-bottom: 36px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.about-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  gap: 20px;
}
.about-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 2px;
}
.about-value {
  font-size: 0.92rem;
  color: var(--gray-light);
  line-height: 1.8;
}

.about-philosophy {
  padding: 24px;
  border-left: 2px solid var(--gold);
  background: rgba(201,168,76,0.04);
}
.philosophy-text {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-style: italic;
  color: var(--gray-light);
  line-height: 1.9;
  letter-spacing: 0.05em;
}

/* ===========================
   CONTACT SECTION
   =========================== */
.contact-section {
  padding: 120px 0;
  background: var(--black);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.contact-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.contact-icon {
  width: 48px; height: 48px;
  background: rgba(201,168,76,0.1);
  border: 1px solid rgba(201,168,76,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-detail { display: flex; flex-direction: column; gap: 4px; }
.contact-label {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--gold);
}
.contact-value {
  font-size: 0.9rem;
  color: var(--gray-light);
  text-decoration: none;
  transition: var(--transition);
  word-break: break-all;
}
a.contact-value:hover { color: var(--gold); }

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.form-group {
  position: relative;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--white);
  padding: 16px 20px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
  resize: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(201,168,76,0.6);
  background: var(--dark-3);
}
.form-group label {
  position: absolute;
  top: -10px; left: 16px;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--gold);
  background: var(--dark-2);
  padding: 0 4px;
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
}
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label,
.form-group input:focus + label,
.form-group textarea:focus + label { opacity: 1; }

.form-success {
  display: none;
  text-align: center;
  padding: 48px 32px;
  border: 1px solid rgba(201,168,76,0.3);
  background: rgba(201,168,76,0.05);
}
.form-success i {
  font-size: 2.5rem;
  color: var(--gold);
  display: block;
  margin-bottom: 16px;
}
.form-success p {
  font-size: 0.95rem;
  color: var(--gray-light);
  line-height: 2;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--dark);
  border-top: 1px solid rgba(201,168,76,0.2);
  padding: 48px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}
.footer-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.footer-links a {
  text-decoration: none;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gray);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--gold); }
.footer-copy { text-align: right; }
.footer-copy p {
  font-size: 0.75rem;
  color: var(--gray);
  letter-spacing: 0.05em;
  line-height: 1.8;
}
.footer-rep { color: rgba(201,168,76,0.6) !important; }

/* Shareholder Link in Footer */
.footer-shareholder {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 20px 0 4px;
  border-top: 1px solid rgba(201,168,76,0.15);
  margin-top: 8px;
}
.footer-shareholder-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.4);
  padding: 12px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.footer-shareholder-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  opacity: 0;
  transition: var(--transition);
}
.footer-shareholder-link:hover {
  color: var(--black);
  border-color: var(--gold);
}
.footer-shareholder-link:hover::before { opacity: 1; }
.footer-shareholder-link i,
.footer-shareholder-link span {
  position: relative;
  z-index: 1;
}
.footer-shareholder-link .fa-crown {
  font-size: 0.9rem;
  color: var(--gold-light);
  transition: var(--transition);
}
.footer-shareholder-link:hover .fa-crown { color: var(--black); }
.footer-shareholder-link .fa-arrow-right {
  font-size: 0.65rem;
  opacity: 0.7;
}

/* ===========================
   PARTICLES
   =========================== */
.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0;
  animation: particleFloat var(--duration, 8s) ease-in-out var(--delay, 0s) infinite;
}
@keyframes particleFloat {
  0%   { opacity: 0; transform: translateY(0) translateX(0); }
  10%  { opacity: var(--opacity, 0.3); }
  90%  { opacity: var(--opacity, 0.3); }
  100% { opacity: 0; transform: translateY(-100px) translateX(var(--drift, 20px)); }
}

/* ===========================
   REDBULL IMAGE (override)
   =========================== */

/* ===========================
   YOKOHAMA PHOTO
   =========================== */
.yokohama-photo {
  background-image: url('../images/yokohama_school.jpg') !important;
  background-size: cover !important;
  background-position: center !important;
}
.yokohama-photo::before { display: none !important; }

/* ===========================
   SCHOOL YEARS EDIT
   =========================== */
.history-stat {
  position: relative;
}
.history-stat .stat-num {
  cursor: pointer;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.edit-year-btn {
  background: none;
  border: 1px solid rgba(201,168,76,0.5);
  color: var(--gold);
  font-size: 0.65rem;
  padding: 3px 8px;
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: var(--transition);
  vertical-align: middle;
  margin-left: 4px;
}
.edit-year-btn:hover {
  background: var(--gold);
  color: var(--black);
}
.year-edit-wrap {
  display: none;
  margin-top: 8px;
  flex-direction: column;
  gap: 6px;
}
.year-edit-wrap.open { display: flex; }
.year-edit-wrap input[type="number"] {
  background: var(--dark-3);
  border: 1px solid rgba(201,168,76,0.4);
  color: var(--white);
  padding: 6px 12px;
  font-size: 0.85rem;
  width: 120px;
  outline: none;
}
.year-edit-wrap input[type="number"]:focus {
  border-color: var(--gold);
}
.year-save-btn {
  width: 120px;
  padding: 6px 12px;
  background: var(--gold);
  color: var(--black);
  border: none;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: var(--transition);
}
.year-save-btn:hover { background: var(--gold-light); }

/* ===========================
   SPONSOR SNS LINKS
   =========================== */
.sponsor-sns {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.sponsor-sns-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 12px;
}
.sponsor-sns-links {
  display: flex;
  gap: 10px;
}
.sns-btn {
  width: 38px; height: 38px;
  border: 1px solid rgba(201,168,76,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-light);
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition);
}
.sns-btn:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
  transform: translateY(-2px);
}

/* ===========================
   SERVICE IMAGE ICONS
   =========================== */
.service-img-wrap {
  border: none !important;
  overflow: hidden;
  padding: 0 !important;
}
.service-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.service-item:hover .service-img-wrap img {
  transform: scale(1.06);
}
.tourism-icon-wrap {
  background: rgba(201,168,76,0.08);
  border: 1px solid rgba(201,168,76,0.3) !important;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tourism-icon-wrap i {
  font-size: 1.8rem;
  color: var(--gold);
}

/* ===========================
   TOURISM NOTE
   =========================== */
.tourism-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 20px;
  padding: 14px 18px;
  background: rgba(201,168,76,0.06);
  border-left: 2px solid var(--gold);
  font-size: 0.82rem;
  color: var(--gray-light);
  line-height: 1.7;
}
.tourism-note i {
  color: var(--gold);
  margin-top: 2px;
  flex-shrink: 0;
}
.tourism-note strong {
  color: var(--gold-light);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .sponsor-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { height: 280px; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .container { padding: 0 24px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-content { padding: 100px 24px 60px; }
  .hero-title .title-en { font-size: 3rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions a { text-align: center; }

  .sponsor-section,
  .services-section,
  .about-section,
  .contact-section { padding: 80px 0; }
  .section-header { margin-bottom: 48px; }

  .service-item {
    grid-template-columns: 40px 1fr;
    gap: 20px;
  }
  .service-icon-wrap { display: none; }

  .about-inner { grid-template-columns: 1fr; }
  .about-right .section-title { text-align: center; }
  .about-right .section-label { text-align: center; }

  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .footer-copy { text-align: center; }
}

@media (max-width: 480px) {
  .about-row { grid-template-columns: 100px 1fr; }
  .gold-divider { padding: 0 24px; }
}