/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Hiragino Sans', 'ヒラギノ角ゴ ProN', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', YuGothic, 'メイリオ', Meiryo, sans-serif;
  background: var(--cream);
  color: var(--text);
  overflow-x: hidden;
}
ul { list-style: none; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ===== DESIGN TOKENS ===== */
:root {
  --serif: 'Cormorant Garamond', 'Georgia', 'Times New Roman', serif;
  --sans: 'Hiragino Sans', 'ヒラギノ角ゴ ProN', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', YuGothic, 'メイリオ', Meiryo, sans-serif;
  --dark: #1a1410;
  --gold: #b8924a;
  --gold-light: #d4aa6a;
  --gold-pale: #e8d5b0;
  --cream: #f8f4ef;
  --cream-dark: #ede8e1;
  --white: #fff;
  --gray: #888;
  --text: #2c2416;
  --text-sub: #6b5c4a;
  --header-h: 96px;
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.45s ease, border-bottom 0.45s ease, backdrop-filter 0.45s ease;
}
.site-header.at-top {
  background: transparent;
  border-bottom: none;
}
.site-header.scrolled {
  background: rgba(248,244,239,0.96);
  border-bottom: 1px solid rgba(184,146,74,0.2);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.header-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0 0 28px;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.header-logo img {
  height: 44px;
  width: auto;
  filter: none;
}
.header-logo-text {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.05em;
}
.header-nav ul {
  display: flex;
  gap: 24px;
  align-items: center;
  padding-right: 520px;
}
.header-nav ul li a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-sub);
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
.header-nav ul li a:hover { color: var(--gold); }
.nav-contact-btn {
  position: fixed;
  top: 0;
  right: 0;
  height: var(--header-h);
  padding: 0 28px;
  background: var(--gold);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: none;
  border-radius: 0;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  transition: background 0.25s;
  white-space: nowrap;
}
.nav-contact-btn:hover { background: var(--gold-light); }
.nav-about-btn {
  position: fixed;
  top: 0;
  right: 220px;
  height: var(--header-h);
  padding: 0 24px;
  background: transparent;
  border: none;
  border-right: 1px solid rgba(184,146,74,0.25);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-sub);
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  transition: background 0.25s, color 0.25s;
  white-space: nowrap;
}
.nav-about-btn:hover { background: rgba(184,146,74,0.08); color: var(--gold); }
.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(--text);
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== HERO ===== */
.hero-section {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  background: var(--cream);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
}
.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(248,244,239,0.55) 0%, rgba(248,244,239,0.15) 60%, transparent 100%),
              linear-gradient(to top, rgba(26,20,16,0.35) 0%, transparent 50%);
  z-index: 1;
}
#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  opacity: 0.35;
}
.hero-content {
  position: relative;
  z-index: 3;
  text-align: left;
  color: var(--text);
  padding: 0 60px 80px;
  max-width: 700px;
}
.hero-catch {
  font-family: var(--serif);
  font-size: clamp(56px, 7vw, 100px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
  color: var(--text);
  text-shadow: 0 2px 20px rgba(248,244,239,0.8);
}
.hero-catch .line1,
.hero-catch .line2 { display: block; }
.hero-catch .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(22px);
  animation: charIn 0.55s forwards;
}
@keyframes charIn { to { opacity: 1; transform: translateY(0); } }
.hero-sub {
  font-size: clamp(13px, 1.3vw, 16px);
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--text-sub);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.hero-sub.visible { opacity: 1; transform: translateY(0); }
.hero-scroll {
  position: absolute;
  bottom: 32px;
  right: 48px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-size: 10px;
  letter-spacing: 0.22em;
}
.scroll-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.15); }
}

/* ===== HOT NEWS SECTION ===== */
.hot-news-section {
  background: var(--cream-dark);
  padding: 48px 40px;
  text-align: center;
}
.hot-news-section::before {
  content: 'HOT NEWS';
  display: block;
  font-family: var(--serif);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin-bottom: 20px;
}
.hot-news-visual {
  display: inline-block;
  position: relative;
  overflow: hidden;
  line-height: 0;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  transition: box-shadow 0.3s;
}
.hot-news-visual:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.hot-news-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.7s cubic-bezier(0.25,0.46,0.45,0.94);
}
.hot-news-visual:hover .hot-news-img {
  transform: scale(1.03);
}

/* ===== SERVICE SECTION ===== */
.service-section { background: var(--cream); overflow: hidden; }
.service-header {
  text-align: center;
  padding: 120px 20px 78px;
  background: var(--cream);
}
.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--gold);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
}

/* Service Stage */
.service-stage {
  position: relative;
  width: 100%;
  height: 1200px;
  overflow: hidden;
}
/* Background images — applied directly to each .spanel */
/* (service-bgs layer removed; each panel has its own background) */

/* Panels container — fills stage */
.service-panels {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  display: flex;
  flex-wrap: nowrap;
}

/* Individual panel — flex expand on hover */
.spanel {
  height: 100%;
  flex: 1 1 0%;
  position: relative;
  border-right: 1px solid rgba(255,255,255,0.3);
  cursor: pointer;
  box-sizing: border-box;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  transition: flex 0.6s cubic-bezier(0.22,1,0.36,1);
}
.spanel:last-child { border-right: none; }
/* アクティブパネルは約1.5倍に広がる */
.spanel.active {
  flex: 1.5 1 0%;
}

/* Dark overlay — via ::after pseudo */
.spanel-overlay {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1;
  opacity: 1; /* 非アクティブ時は暗いオーバーレイ */
  transition: opacity 0.5s ease;
}
.spanel.active .spanel-overlay { opacity: 0.35; /* アクティブ時は薄めのスモークでテキスト読みやすく */ }

/* Inner: fills panel, clips overflowing content */
.spanel-inner {
  display: block;
  position: absolute;
  inset: 0;
  box-sizing: border-box;
  color: #fff;
}

/* ===== SERVICE PANEL CONTENT =====
   待機時: タイトルのみ下端に固定表示
   ホバー時: 詳細説明・リンクがスライドアップして表示
===================================== */

/* コンテンツブロック全体: 常に下端に固定 */
.spanel-content {
  position: absolute;
  left: 0;
  width: 100%;
  bottom: 0;
  padding: 0 28px 40px;
  z-index: 2;
  box-sizing: border-box;
}

/* 待機時グラデーション: タイトルのみ下端表示 */
.spanel:not(.active) .spanel-content {
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.1) 40%, transparent 100%);
  padding-top: 0;
}

/* アクティブ時グラデーション（より広い範囲） */
.spanel.active .spanel-content {
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
  padding-top: 120px;
}

/* ===== TITLE ===== */
.spanel-name {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  word-break: break-all;
  margin: 0;
  white-space: normal;
  overflow: visible;
  text-overflow: unset;
  transition: font-size 0.45s cubic-bezier(0.22,1,0.36,1),
              margin-bottom 0.45s cubic-bezier(0.22,1,0.36,1);
}

/* ホバー時: タイトルを大きく */
.spanel.active .spanel-name {
  font-size: 24px;
  white-space: normal;
  overflow: visible;
  text-overflow: unset;
  margin-bottom: 16px;
}

/* ===== DESC (詳細説明) — 待機時は高さ0・非表示、ホバー時にスライドアップ ===== */
.spanel-desc {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,0.9);
  line-height: 1.75;
  margin: 0 0 18px;
  /* 待機時: 折りたたみ */
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px);
  transition:
    max-height 0.5s cubic-bezier(0.22,1,0.36,1),
    opacity    0.4s 0.15s ease,
    transform  0.45s 0.1s cubic-bezier(0.22,1,0.36,1);
}

/* ホバー時: スライドアップして表示 */
.spanel.active .spanel-desc {
  max-height: 220px;
  opacity: 1;
  transform: translateY(0);
  transition:
    max-height 0.55s 0.05s cubic-bezier(0.22,1,0.36,1),
    opacity    0.5s  0.2s  ease,
    transform  0.5s  0.1s  cubic-bezier(0.22,1,0.36,1);
}

/* ===== LINK — 待機時は非表示、ホバー時にフェードイン ===== */
.spanel-link {
  display: inline-block;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.08em;
  border-bottom: 1px solid rgba(255,255,255,0.6);
  padding-bottom: 3px;
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity   0.4s 0.1s ease,
    transform 0.4s 0.1s cubic-bezier(0.22,1,0.36,1);
}
.spanel-link:hover { color: var(--gold-pale); border-color: var(--gold-pale); }

/* ホバー時: フェードイン */
.spanel.active .spanel-link {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity   0.5s 0.35s ease,
    transform 0.5s 0.3s  cubic-bezier(0.22,1,0.36,1);
}

/* Bottom title — 不使用 */
.spanel-bottom-title {
  display: none;
}

/* ===== CREDIT CARD SECTION ===== */
.credit-section {
  background: var(--white);
  padding: 120px 20px;
}
.credit-inner { max-width: 900px; margin: 0 auto; }
.credit-catch {
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 54px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  letter-spacing: 0.05em;
  margin: 18px 0 28px;
}
.credit-desc {
  font-size: 15px;
  line-height: 2.1;
  color: var(--text-sub);
  margin-bottom: 64px;
  max-width: 680px;
}
.credit-merits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 64px;
}
.credit-merit {
  border-top: 2px solid var(--gold);
  padding-top: 24px;
  animation: meritFadeIn 0.7s ease forwards;
}
.credit-merit:nth-child(1) { animation-delay: 0s; }
.credit-merit:nth-child(2) { animation-delay: 0.15s; }
.credit-merit:nth-child(3) { animation-delay: 0.3s; }
.credit-merit-icon {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-bottom: 14px;
}
.credit-merit-title {
  font-family: var(--serif);
  font-size: clamp(16px, 1.6vw, 20px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.5;
}
.credit-merit-text {
  font-size: 13px;
  line-height: 2;
  color: var(--text-sub);
}
.credit-cards {
  border-top: 1px solid #ddd;
  padding-top: 36px;
  opacity: 1 !important;
  transform: none !important;
}
.credit-cards-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.credit-card-logos {
  display: block;
  margin-bottom: 14px;
}
.card-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--gold-pale);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  background: var(--cream);
}
.payment-cards-img {
  max-width: 680px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 8px;
}
.credit-cards-note {
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.8;
}

/* ===== NEWS LIST SECTION ===== */
.top-news-section {
  background: var(--cream-dark);
  padding: 80px 40px;
}
.top-news-inner { max-width: 1100px; margin: 0 auto; }
.top-news-heading {
  font-family: var(--serif);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
  margin-bottom: 40px;
}
.top-news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}
.top-news-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--cream-dark);
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s;
}
.top-news-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  transform: translateY(-3px);
}
.top-news-card-img-wrap {
  overflow: hidden;
  height: 180px;
}
.top-news-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.top-news-card:hover .top-news-card-img {
  transform: scale(1.04);
}
.top-news-card-body {
  padding: 20px 24px 24px;
}
.top-news-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.news-cat {
  font-family: var(--serif);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 3px 10px;
  border-radius: 2px;
  line-height: 1;
}
.news-cat-campaign {
  background: var(--gold);
  color: #fff;
}
.news-cat-news {
  background: var(--cream-dark);
  color: var(--text);
}
.news-date {
  font-family: var(--serif);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.08em;
}
.top-news-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.7;
}
.top-news-more { text-align: right; }
.top-news-more-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-sub);
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--gold-pale);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.top-news-more-link:hover { color: var(--gold); border-color: var(--gold); }

/* ===== CONTACT ===== */
.contact-section {
  background: var(--dark);
  padding: 0;
  position: relative;
  overflow: hidden;
}
.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 60%, rgba(184,146,74,0.18) 0%, transparent 65%),
              radial-gradient(ellipse at 80% 20%, rgba(184,146,74,0.08) 0%, transparent 55%);
  pointer-events: none;
}
.contact-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 120px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.contact-text-col {}
.section-label.light { color: rgba(255,255,255,0.38); }
.contact-title {
  font-family: var(--serif);
  font-size: clamp(32px, 4.5vw, 58px);
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  letter-spacing: 0.04em;
  margin: 16px 0 28px;
}
.contact-sub {
  font-size: 14px;
  color: rgba(255,255,255,0.52);
  line-height: 2;
  margin-bottom: 0;
}
.contact-cta-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
  margin-top: 36px;
}
.contact-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  color: var(--dark);
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 20px 48px;
  transition: background 0.25s, color 0.25s, transform 0.25s;
  width: 100%;
  justify-content: center;
}
.contact-cta-primary:hover {
  background: var(--gold);
  color: #fff;
  transform: translateY(-2px);
}
.contact-cta-primary svg { flex-shrink: 0; }
.contact-cta-note {
  font-size: 12px;
  color: rgba(255,255,255,0.32);
  letter-spacing: 0.06em;
  line-height: 1.8;
}
.contact-btn {
  display: inline-block;
  padding: 16px 52px;
  border: 1px solid rgba(255,255,255,0.55);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  transition: background 0.3s, color 0.3s;
}
.contact-btn:hover { background: var(--gold); color: #fff; border-color: var(--gold); }
.contact-btn-img {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--dark);
  padding: 64px 32px 40px;
  position: relative;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo img {
  height: 30px;
  width: auto;
  filter: invert(1) brightness(2);
}
.footer-logo span {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; }
.footer-nav a { color: rgba(255,255,255,0.7); font-size: 13px; transition: color 0.2s; text-decoration: none; }
.footer-nav a:hover { color: #fff; }
.footer-address { font-size: 12px; color: rgba(255,255,255,0.38); letter-spacing: 0.04em; }
.footer-sns a { color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-sns a:hover { color: #fff; }
.footer-copy { font-size: 11px; color: rgba(255,255,255,0.28); letter-spacing: 0.06em; }
.page-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: var(--gold);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  z-index: 50;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
}
.page-top.visible { opacity: 1; transform: translateY(0); }
.page-top:hover { background: var(--gold-light); }

/* ===== MERIT FADE-IN ===== */
@keyframes meritFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== SCROLL FADE-UP ===== */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.85s ease, transform 0.85s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== NAV NEWS BUTTON ===== */
.nav-news-btn {
  position: fixed;
  top: 0;
  right: 350px;
  height: var(--header-h);
  padding: 0 22px;
  background: transparent;
  border: none;
  border-right: 1px solid rgba(184,146,74,0.25);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-sub);
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  transition: background 0.25s, color 0.25s;
  white-space: nowrap;
}
.nav-news-btn:hover { background: rgba(184,146,74,0.08); color: var(--gold); }

/* ===== MOBILE NAV DRAWER ===== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(26,20,16,0.97);
  z-index: 150;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 80px 32px 40px;
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.mobile-nav.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}
.mobile-nav a {
  display: block;
  width: 100%;
  text-align: center;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: rgba(255,255,255,0.88);
  letter-spacing: 0.08em;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: color 0.2s;
}
.mobile-nav a:first-child { border-top: 1px solid rgba(255,255,255,0.1); }
.mobile-nav a:hover { color: #fff; }
.mobile-nav .mobile-nav-contact {
  margin-top: 32px;
  background: var(--gold);
  border-radius: 4px;
  border: none;
  padding: 20px 0;
  color: #fff;
  font-weight: 700;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== RESPONSIVE ===== */

/* タブレット（横）: 1024px以下 */
@media (max-width: 1024px) {
  .service-stage { height: 900px; }
  .spanel.active .spanel-name { font-size: 20px; }
}

/* タブレット（縦）: 900px以下 */
@media (max-width: 900px) {
  .header-nav { display: none; }
  .hamburger { display: flex; }
  .nav-contact-btn { display: none; }
  .nav-about-btn { display: none; }
  .nav-news-btn { display: none; }

  .service-stage { height: 700px; }
  .spanel.active .spanel-name { font-size: 18px; }
  .spanel-content { padding: 80px 24px 48px; }
}

/* モバイル: 768px以下 */
@media (max-width: 768px) {
  /* HEADER */
  :root { --header-h: 64px; }
  .header-logo-text { font-size: 16px; }
  .header-logo img { height: 32px; }

  /* HOT NEWS */
  .hot-news-section { padding: 32px 20px; }
  .hot-news-visual { max-width: 100%; }

  /* SERVICE STAGE — モバイルは縦列スタック */
  .service-stage { height: auto; min-height: unset; }
  .service-bgs { display: none; }
  .service-panels {
    position: static;
    flex-direction: column;
  }
  .spanel {
    flex: none !important;
    width: 100% !important;
    height: 280px;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    overflow: hidden;
    background-size: cover;
    background-position: center;
  }
  .spanel.active {
    height: 400px;
  }
  .spanel-overlay { background: rgba(0,0,0,0.5) !important; opacity: 1 !important; }
  .spanel.active .spanel-overlay { opacity: 0.3 !important; }
  .spanel-inner { overflow: hidden; }
  .spanel-content {
    padding: 32px 24px 28px;
    transition: none !important;
    bottom: 0 !important;
  }
  .spanel-name {
    font-size: 18px !important;
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: unset !important;
    margin-bottom: 10px;
  }
  .spanel-desc {
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 12px;
    opacity: 1 !important;
    top: 0 !important;
  }
  .spanel-link {
    font-size: 13px;
    margin-bottom: 8px;
    opacity: 1 !important;
    top: 0 !important;
  }
  .spanel-bottom-title { display: none; }

  /* CREDIT SECTION */
  .credit-section { padding: 60px 20px; }
  .credit-merits { grid-template-columns: 1fr; gap: 28px; }

  /* NEWS */
  .top-news-section { padding: 60px 20px; }
  .top-news-grid { grid-template-columns: 1fr; gap: 20px; }

  /* CONTACT */
  .contact-section { padding: 70px 20px; }
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 24px;
  }
  .contact-btn-img { display: none; }
  .contact-sub br { display: none; }

  /* FOOTER */
  .site-footer { padding: 40px 20px 28px; }

  /* TOP NEWS */
  .top-news-heading { font-size: 22px; }

  /* CREDIT */
  .credit-catch { font-size: 26px; }
  .credit-desc { font-size: 14px; }

  /* HERO */
  .hero-catch { font-size: clamp(48px, 12vw, 80px); }
}

/* スマホ小: 480px以下 */
@media (max-width: 480px) {
  .service-stage { height: auto; }
  .spanel { height: 240px; }
  .spanel.active { height: 360px; }
  .spanel-content { padding: 24px 20px 20px; }
  .spanel-name { font-size: 16px !important; }
  .spanel-desc { font-size: 12px; }
  .spanel-link { font-size: 12px; }

  .hero-catch { font-size: clamp(36px, 10vw, 60px); }
  .credit-catch { font-size: 22px; }
  .top-news-heading { font-size: 20px; }
}