/* =============================================
   SYNK Hair Theme — Main CSS
   ============================================= */

:root {
  --charcoal:     #1E1C1A;
  --charcoal-mid: #2E2B28;
  --charcoal-light: #3D3A36;
  --mauve:        #C4A4B0;
  --mauve-light:  #D9BEC8;
  --mauve-pale:   #F2E8ED;
  --cream:        #FAF7F4;
  --cream-dark:   #F0EBE5;
  --white:        #FFFFFF;
  --gray:         #9A9490;
  --gray-light:   #D0CBC5;
  --text:         #1E1C1A;
  --text-mid:     #5A5650;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
body {
  background: var(--cream);
  color: var(--text);
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  line-height: 1.8;
  overflow-x: hidden;
}

/* ── NAV ── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 60px;
  background: rgba(250,247,244,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(196,164,176,0.15);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px;
}
.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 22px; font-weight: 400; letter-spacing: 0.2em;
  color: var(--charcoal);
}
.nav-links {
  display: flex; gap: 36px; list-style: none; align-items: center;
  margin: 0; padding: 0;
}
.nav-links li { list-style: none; }
.nav-links a {
  font-family: 'DM Mono', monospace;
  font-size: 10px; font-weight: 300; letter-spacing: 0.2em;
  color: var(--text-mid); text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--mauve); }
.nav-instagram { color: var(--mauve) !important; }
.nav-reserve {
  background: var(--charcoal) !important; color: var(--white) !important;
  padding: 9px 22px; transition: background 0.2s !important;
}
.nav-reserve:hover { background: var(--charcoal-light) !important; }

/* ── HAMBURGER ── */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px; z-index: 200;
}
.nav-hamburger span {
  display: block; width: 22px; height: 1px;
  background: var(--charcoal); transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.is-open span:nth-child(2) { opacity: 0; }
.nav-hamburger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ── OVERLAY ── */
.nav-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0); z-index: 140;
  pointer-events: none; transition: background 0.4s ease;
}
.nav-overlay.is-open { background: rgba(0,0,0,0.5); pointer-events: auto; }

/* ── SLIDE MENU ── */
.nav-slide {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(320px, 85vw);
  background: var(--charcoal); z-index: 150;
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  padding: 80px 48px;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -8px 0 40px rgba(0,0,0,0.3);
}
.nav-slide.is-open { transform: translateX(0); }
.nav-slide-close {
  position: absolute; top: 18px; right: 20px;
  background: none; border: none; cursor: pointer; padding: 12px;
  width: 44px; height: 44px;
}
.nav-slide-close::before, .nav-slide-close::after {
  content: ''; display: block; width: 24px; height: 1px;
  background: rgba(255,255,255,0.6); position: absolute; left: 10px;
}
.nav-slide-close::before { transform: rotate(45deg); }
.nav-slide-close::after  { transform: rotate(-45deg); }
.nav-slide-links { list-style: none; text-align: left; width: 100%; margin-bottom: 8px; }
.nav-slide-links li { border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav-slide-links a {
  display: block; padding: 20px 0;
  font-family: 'Playfair Display', serif;
  font-size: 26px; font-weight: 400; font-style: italic;
  color: rgba(255,255,255,0.85); letter-spacing: 0.05em;
  transition: color 0.2s, padding-left 0.2s;
}
.nav-slide-links a:hover { color: var(--mauve); padding-left: 8px; }
.nav-slide-reserve {
  display: inline-block; margin-top: 40px;
  background: var(--mauve); color: var(--white) !important;
  font-family: 'DM Mono', monospace; font-size: 11px;
  letter-spacing: 0.2em; text-transform: uppercase;
  padding: 14px 32px; transition: background 0.2s;
}
.nav-slide-reserve:hover { background: var(--mauve-light); }
.nav-slide-instagram {
  display: block; margin-top: 16px;
  font-family: 'DM Mono', monospace; font-size: 10px;
  letter-spacing: 0.2em; color: var(--mauve); text-transform: uppercase;
}

/* ── HERO ── */
.hero {
  height: 100vh; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  padding-top: 60px;
}
.hero-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, #C4A4B0 0%, #8B6B78 35%, #2E2B28 70%, #1E1C1A 100%);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: rgba(30,28,26,0.4);
}
.hero-content {
  position: relative; z-index: 2; text-align: center;
  opacity: 0; animation: fadeUp 1s ease 0.3s forwards;
}
.hero-logo {
  font-family: 'Playfair Display', serif;
  font-size: clamp(64px, 12vw, 140px); font-weight: 400;
  letter-spacing: 0.25em; color: var(--white); line-height: 1; margin-bottom: 20px;
}
.hero-sub {
  font-family: 'DM Mono', monospace; font-size: 11px;
  letter-spacing: 0.4em; color: rgba(255,255,255,0.55);
  text-transform: uppercase; margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; }
.btn-white {
  background: var(--white); color: var(--charcoal);
  font-family: 'DM Mono', monospace; font-size: 10px;
  letter-spacing: 0.2em; text-transform: uppercase;
  padding: 13px 28px; display: inline-block; transition: opacity 0.2s;
}
.btn-white:hover { opacity: 0.85; }
.btn-outline-white {
  border: 1px solid rgba(255,255,255,0.5); color: rgba(255,255,255,0.85);
  font-family: 'DM Mono', monospace; font-size: 10px;
  letter-spacing: 0.2em; text-transform: uppercase;
  padding: 13px 28px; display: inline-block; transition: border-color 0.2s, color 0.2s;
}
.btn-outline-white:hover { border-color: rgba(255,255,255,0.8); color: var(--white); }
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: 0; animation: fadeIn 1s ease 1s forwards;
}
.hero-scroll span {
  font-family: 'DM Mono', monospace; font-size: 8px;
  letter-spacing: 0.3em; color: rgba(255,255,255,0.35); text-transform: uppercase;
}
.hero-scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent); }

/* ── ABOUT ── */
.about {
  padding: 120px 64px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.about-visual { position: relative; }
.about-photo-main {
  aspect-ratio: 4/5;
  background: linear-gradient(160deg, var(--mauve-pale), var(--mauve));
  display: flex; align-items: center; justify-content: center;
}
.about-photo-main span { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.15em; color: rgba(255,255,255,0.5); text-transform: uppercase; }
.about-photo-main img { width: 100%; height: 100%; object-fit: cover; }
.about-photo-accent {
  position: absolute; top: -24px; right: -24px;
  width: 45%; aspect-ratio: 1/1;
  background: var(--charcoal); border: 4px solid var(--cream);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.about-photo-accent span { font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: 0.15em; color: rgba(255,255,255,0.25); text-transform: uppercase; }
.about-photo-accent img { width: 100%; height: 100%; object-fit: cover; }
.about-eyebrow { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.3em; color: var(--mauve); text-transform: uppercase; margin-bottom: 24px; }
.about-title { font-family: 'Playfair Display', serif; font-size: clamp(28px, 3vw, 44px); font-weight: 400; color: var(--charcoal); line-height: 1.4; letter-spacing: 0.02em; margin-bottom: 28px; }
.about-title em { font-style: italic; color: var(--mauve); }
.about-body { font-size: 14px; color: var(--text-mid); line-height: 2.3; letter-spacing: 0.04em; }

/* ── INSTAGRAM ── */
.instagram { padding: 80px 0; background: var(--white); }
.instagram-header { padding: 0 64px 48px; display: flex; align-items: flex-end; justify-content: space-between; }
.insta-eyebrow { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.3em; color: var(--mauve); text-transform: uppercase; margin-bottom: 8px; }
.insta-title { font-family: 'Playfair Display', serif; font-size: clamp(32px, 4vw, 52px); font-weight: 400; font-style: italic; color: var(--charcoal); line-height: 1; }
.insta-handle { font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: 0.15em; color: var(--mauve); border-bottom: 1px solid var(--mauve); padding-bottom: 2px; transition: color 0.2s; }
.insta-handle:hover { color: var(--charcoal); border-color: var(--charcoal); }
.instagram-feed { padding: 0; }
/* Smash Balloon スタイル上書き */
.instagram-feed .sbi_item { border: none !important; }
.instagram-feed #sbi_images { display: grid !important; grid-template-columns: repeat(4, 1fr) !important; gap: 3px !important; }
.instagram-feed .sbi_photo_wrap { padding: 0 !important; }
.instagram-placeholder {
  padding: 48px 64px; text-align: center;
  background: var(--cream); margin: 0;
}
.instagram-placeholder p { font-size: 13px; color: var(--gray); margin-bottom: 16px; }
.instagram-placeholder a { color: var(--mauve); border-bottom: 1px solid var(--mauve); }
.insta-more { text-align: center; margin-top: 40px; padding: 0 64px; }
.btn-outline-dark {
  display: inline-block; border: 1px solid var(--charcoal); color: var(--charcoal);
  font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.2em;
  text-transform: uppercase; padding: 13px 36px; transition: background 0.2s, color 0.2s;
}
.btn-outline-dark:hover { background: var(--charcoal); color: var(--white); }

/* ── NEWS ── */
.news { padding: 100px 64px; background: var(--cream); }
.news-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 48px; }
.section-en { font-family: 'Playfair Display', serif; font-size: clamp(36px, 5vw, 56px); font-weight: 400; font-style: italic; color: var(--charcoal); line-height: 1; }
.section-ja { font-family: 'DM Mono', monospace; font-size: 10px; color: var(--mauve); letter-spacing: 0.2em; text-transform: uppercase; margin-top: 8px; }
.section-link { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.15em; color: var(--gray); text-transform: uppercase; border-bottom: 1px solid var(--gray-light); padding-bottom: 2px; transition: color 0.2s; }
.section-link:hover { color: var(--charcoal); border-color: var(--charcoal); }
.news-list { display: flex; flex-direction: column; }
.news-item { display: flex; align-items: baseline; gap: 32px; padding: 24px 0; border-bottom: 1px solid var(--cream-dark); text-decoration: none; transition: opacity 0.2s; }
.news-item:first-child { border-top: 1px solid var(--cream-dark); }
.news-item:hover { opacity: 0.65; }
.news-date { font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: 0.1em; color: var(--gray); flex-shrink: 0; width: 100px; }
.news-cat { font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: 0.15em; color: var(--mauve); text-transform: uppercase; flex-shrink: 0; width: 80px; }
.news-title { font-size: 14px; color: var(--text); letter-spacing: 0.03em; line-height: 1.6; }

/* ── ACCESS ── */
.access { background: var(--charcoal); padding: 100px 64px; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.access-eyebrow { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.3em; color: var(--mauve); text-transform: uppercase; margin-bottom: 16px; }
.access-salon-name { font-family: 'Playfair Display', serif; font-size: 32px; font-weight: 400; color: var(--white); letter-spacing: 0.1em; margin-bottom: 40px; }
.access-rows { display: flex; flex-direction: column; gap: 24px; margin-bottom: 40px; }
.access-row { display: flex; gap: 24px; }
.access-row-label { font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: 0.2em; color: var(--mauve); text-transform: uppercase; flex-shrink: 0; width: 72px; padding-top: 3px; }
.access-row-value { font-size: 13px; color: rgba(255,255,255,0.65); line-height: 1.9; letter-spacing: 0.03em; }
.access-reserve { display: inline-block; background: var(--mauve); color: var(--white); font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; padding: 14px 32px; transition: background 0.2s; }
.access-reserve:hover { background: var(--mauve-light); }
.access-map { aspect-ratio: 4/3; background: var(--charcoal-mid); border: 1px solid rgba(196,164,176,0.1); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.access-map span { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.15em; color: rgba(255,255,255,0.2); text-transform: uppercase; }
.access-map iframe { width: 100%; height: 100%; border: none; }

/* ── FOOTER ── */
.site-footer { background: var(--charcoal); border-top: 1px solid rgba(255,255,255,0.06); padding: 40px 64px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-logo { font-family: 'Playfair Display', serif; font-size: 20px; font-weight: 400; letter-spacing: 0.2em; color: var(--white); }
.footer-nav { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.footer-nav li { list-style: none; border: none; padding: 0; margin: 0; }
.footer-nav a { font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: 0.2em; color: rgba(255,255,255,0.35); text-transform: uppercase; transition: color 0.2s; text-decoration: none; border: none; }
.footer-nav a:hover { color: var(--mauve); }
.footer-copy { font-family: 'DM Mono', monospace; font-size: 9px; color: rgba(255,255,255,0.2); letter-spacing: 0.08em; }

/* ── PAGE HERO ── */
.page-hero { padding-top: 60px; background: var(--charcoal); padding-bottom: 80px; text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; top: -80px; left: 50%; transform: translateX(-50%); width: 600px; height: 600px; border-radius: 50%; border: 1px solid rgba(196,164,176,0.08); }
.page-hero-eyebrow { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.3em; color: var(--mauve); text-transform: uppercase; margin-bottom: 16px; margin-top: 60px; }
.page-hero-title { font-family: 'Playfair Display', serif; font-size: clamp(48px, 8vw, 96px); font-weight: 400; font-style: italic; color: var(--white); line-height: 1; letter-spacing: 0.05em; margin-bottom: 16px; }
.page-hero-title--small { font-size: clamp(32px, 5vw, 56px); }
.page-hero-sub { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.25em; color: rgba(255,255,255,0.3); text-transform: uppercase; }

/* ── MENU PAGE ── */
.menu-content { max-width: 900px; margin: 0 auto; padding: 80px 48px 120px; }
.menu-note { background: var(--white); border-left: 3px solid var(--mauve); padding: 16px 24px; font-size: 12px; color: var(--text-mid); letter-spacing: 0.04em; line-height: 1.8; margin-bottom: 64px; }
.menu-category { margin-bottom: 72px; }
.category-header { display: flex; align-items: center; gap: 24px; margin-bottom: 32px; padding-bottom: 20px; border-bottom: 1px solid var(--cream-dark); }
.category-num { font-family: 'Playfair Display', serif; font-size: 48px; font-weight: 300; font-style: italic; color: var(--mauve); line-height: 1; opacity: 0.5; flex-shrink: 0; }
.category-title-en { font-family: 'Playfair Display', serif; font-size: 32px; font-weight: 400; font-style: italic; color: var(--charcoal); line-height: 1; margin-bottom: 4px; }
.category-title-ja { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.2em; color: var(--mauve); text-transform: uppercase; }
.menu-items { display: flex; flex-direction: column; }
.menu-item { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: start; padding: 20px 0; border-bottom: 1px solid var(--cream-dark); }
.menu-item:last-child { border-bottom: none; }
.menu-item-name { font-size: 15px; font-weight: 400; color: var(--charcoal); letter-spacing: 0.04em; margin-bottom: 4px; }
.menu-item-desc { font-size: 12px; color: var(--gray); letter-spacing: 0.04em; line-height: 1.7; }
.menu-item-price { font-family: 'Playfair Display', serif; font-size: 22px; font-weight: 400; color: var(--charcoal); letter-spacing: -0.01em; white-space: nowrap; text-align: right; }
.menu-item-price span { font-family: 'DM Mono', monospace; font-size: 10px; color: var(--gray); letter-spacing: 0.05em; display: block; text-align: right; margin-top: 2px; }
.menu-cta { background: var(--charcoal); padding: 80px 48px; text-align: center; }
.menu-cta-eyebrow { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.3em; color: var(--mauve); text-transform: uppercase; margin-bottom: 20px; }
.menu-cta h2 { font-family: 'Playfair Display', serif; font-size: clamp(28px, 4vw, 44px); font-weight: 400; font-style: italic; color: var(--white); margin-bottom: 32px; }
.btn-mauve { display: inline-block; background: var(--mauve); color: var(--white); font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; padding: 14px 40px; transition: background 0.2s; }
.btn-mauve:hover { background: var(--mauve-light); }

/* ── ARCHIVE / SINGLE ── */
.archive-content { max-width: 900px; margin: 0 auto; padding: 60px 48px 100px; }
.news-list--archive .news-item:first-child { border-top: 1px solid var(--cream-dark); }
.archive-empty { text-align: center; padding: 80px 0; font-family: 'DM Mono', monospace; color: var(--gray); letter-spacing: 0.1em; font-size: 12px; }
.archive-pagination { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 48px; }
.archive-pagination .page-numbers { font-family: 'DM Mono', monospace; font-size: 12px; letter-spacing: 0.1em; color: var(--gray); padding: 10px 16px; border: 1px solid var(--gray-light); transition: background 0.2s, color 0.2s, border-color 0.2s; }
.archive-pagination .page-numbers:hover, .archive-pagination .page-numbers.current { background: var(--charcoal); color: var(--white); border-color: var(--charcoal); }
.single-container { max-width: 800px; margin: 0 auto; padding: 60px 48px 100px; }
.single-thumbnail { margin-bottom: 48px; aspect-ratio: 16/9; overflow: hidden; }
.single-thumbnail img { width: 100%; height: 100%; object-fit: cover; }
.single-content { font-size: 15px; line-height: 2.2; color: var(--text-mid); letter-spacing: 0.03em; }
.single-content h2 { font-family: 'Playfair Display', serif; font-size: 22px; font-weight: 400; color: var(--charcoal); margin: 40px 0 16px; padding-left: 16px; border-left: 3px solid var(--mauve); }
.single-content p { margin-bottom: 20px; }
.post-nav { display: flex; justify-content: space-between; margin-top: 60px; padding-top: 32px; border-top: 1px solid var(--cream-dark); gap: 16px; }
.post-nav a { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--gray); letter-spacing: 0.08em; transition: color 0.2s; max-width: 45%; }
.post-nav a:hover { color: var(--mauve); }
.post-nav-next { text-align: right; }

/* ── ANIMATIONS ── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
.js-fade { opacity: 0; transform: translateY(20px); transition: opacity 0.7s ease, transform 0.7s ease; }
.js-fade.is-visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .site-nav { padding: 0 32px; }
  .about, .access { padding: 80px 40px; }
  .instagram-header { padding: 0 40px 40px; }
  .news, .site-footer { padding-left: 40px; padding-right: 40px; }
  .footer-inner { padding: 0; }
}

@media (max-width: 768px) {
  .site-nav { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .about { grid-template-columns: 1fr; padding: 60px 24px; gap: 40px; }
  .about-photo-accent { top: -16px; right: -16px; }
  .instagram { padding: 60px 0; }
  .instagram-header { padding: 0 24px 32px; flex-direction: column; align-items: flex-start; gap: 12px; }
  .instagram-feed #sbi_images { grid-template-columns: repeat(2, 1fr) !important; }
  .insta-more { padding: 0 24px; }
  .news { padding: 60px 24px; }
  .news-item { flex-direction: column; gap: 6px; }
  .news-date, .news-cat { width: auto; }
  .access { grid-template-columns: 1fr; padding: 60px 24px; gap: 40px; }
  .site-footer { padding: 32px 24px; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .footer-nav { display: none; }
  .menu-content { padding: 48px 24px 80px; }
  .menu-cta { padding: 60px 24px; }
  .category-num { font-size: 36px; }
  .category-title-en { font-size: 24px; }
  .archive-content, .single-container { padding: 48px 24px 80px; }
}

/* ── フッターを最下部に固定 ── */
.site-footer { margin-top: auto; }

/* ── コンテンツが短い時もフッターを最下部に ── */
.single-main,
.page-main,
.archive-main {
  min-height: calc(100vh - 60px);
}

/* ── ページヒーロー：アイキャッチ対応 ── */
.page-hero { position: relative; }
.page-hero-overlay {
  position: absolute; inset: 0;
  background: rgba(30,28,26,0.5);
}
.page-hero-eyebrow,
.page-hero-title,
.page-hero-sub { position: relative; z-index: 1; }

/* ── ページヘッダー：アイキャッチ背景対応 ── */
.page-hero { position: relative; }
.page-hero-overlay {
  position: absolute; inset: 0;
  background: rgba(30,28,26,0.45);
  z-index: 0;
}
.page-hero-eyebrow,
.page-hero-title,
.page-hero-sub { position: relative; z-index: 1; }

/* ── サンプルギャラリー ── */
.instagram-sample-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
}
.insta-sample-item {
  aspect-ratio: 1/1;
  overflow: hidden;
}
.insta-sample-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.insta-sample-item:hover img { transform: scale(1.05); }

@media (max-width: 768px) {
  .instagram-sample-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── カスタムロゴ ── */
.nav-logo img {
  height: 36px;
  width: auto;
  max-height: 36px;
  display: block;
}
.nav-logo .custom-logo-link {
  display: flex;
  align-items: center;
}

/* ── カスタムロゴ位置調整 ── */
div.nav-logo { display: flex; align-items: center; }
div.nav-logo .custom-logo-link { display: flex; align-items: center; line-height: 1; }