/* GROW static site — shared UI components used across multiple pages */

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  font-family: var(--font-serif);
  transition: all 0.3s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--block { width: 100%; }
.btn--sm { padding: 10px 24px; font-size: 0.72rem; border-radius: 30px; }
/* Load-more button (injected by grow-common.js): centered below a list */
.load-more-btn { display: flex; margin: 40px auto 0; }

.btn--gold {
  background: var(--color-gold);
  color: var(--color-black);
  font-weight: 600;
  border: none;
  box-shadow: 0 4px 20px rgba(201, 169, 110, 0.25);
}
.btn--outline {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
}
.btn--ghost {
  background: rgba(201, 169, 110, 0.08);
  color: var(--color-gold);
  border: 1px solid var(--color-border-gold);
}
.btn--muted {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-cream);
  border: 1px solid var(--color-border);
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 28px;
  background: rgba(201, 169, 110, 0.08);
  border: 1px solid var(--color-border-gold);
  border-radius: 30px;
  font-size: 0.72rem;
  color: var(--color-gold);
  letter-spacing: 0.08em;
}

/* Decorative banner that scrolls to the reservation/contact CTA section */
.cta-band {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 90%;
  max-width: 300px;
  margin: 24px auto 0;
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--color-gold-dark), var(--color-gold));
  color: var(--color-black);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 20px rgba(201, 169, 110, 0.3);
  transition: transform 0.3s ease;
}
@media (min-width: 640px) {
  .cta-band { max-width: 340px; padding: 15px 24px; font-size: 0.95rem; gap: 10px; }
}
.cta-band:hover { transform: translateY(-2px); }
.cta-band__icon { flex-shrink: 0; }

/* ===== Page hero (banner atop content pages) ===== */
.page-hero { text-align: center; }
.page-hero__lead {
  max-width: 480px;
  margin: 0 auto;
  font-size: 0.82rem;
  color: var(--color-text-cream);
  line-height: 2.2;
  font-weight: 300;
}
/* Plain variant: no image, bordered bottom edge */
.page-hero--bordered {
  padding: 64px 24px 48px;
  border-bottom: 1px solid var(--color-border);
}
/* Image variant: marble background with baked-in dark gradient overlay */
.page-hero--image {
  position: relative;
  padding: 72px 24px 48px;
  background-image:
    linear-gradient(180deg, rgba(12, 12, 12, 0.4) 0%, rgba(12, 12, 12, 0.92) 90%),
    url('../img/marble-dark.jpg');
  background-size: cover;
  background-position: center;
}
.page-hero--image .page-hero__lead { max-width: 520px; font-size: 0.85rem; line-height: 2; }
/* Overlay variant: marble background via .marble-section + eyebrow/title/rule stack */
.page-hero--overlay { padding: 72px 0 52px; }
.page-hero__eyebrow {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.page-hero__rule {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold));
  margin: 16px auto 24px;
}

/* ===== Marble section shell: image bg + dark overlay + centered inner content ===== */
/* Used by overlay heroes, final-cta--image, and mid-page "recommend/comment" bands */
.marble-section {
  position: relative;
  background-size: cover;
  background-position: center;
}
.marble-section__overlay { position: absolute; inset: 0; }
.marble-section__inner { position: relative; z-index: 10; }

/* ===== Final CTA (page-bottom call-to-action) ===== */
.final-cta { text-align: center; }
.final-cta__title { font-size: 1.1rem; font-weight: 500; margin-bottom: 12px; letter-spacing: 0.08em; }
.final-cta__lead {
  font-size: 0.82rem;
  color: var(--color-text-cream);
  line-height: 2;
  font-weight: 300;
  margin-bottom: 24px;
}
.final-cta__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
/* Stacked variant: full-width buttons in a single column */
.final-cta--stacked .final-cta__actions {
  flex-direction: column;
  align-items: center;
  max-width: 400px;
  margin: 0 auto;
}
.final-cta--stacked .final-cta__actions .btn { width: 100%; }
/* Boxed variant: bordered gold card (used to close out menu sub-pages) */
.final-cta--boxed {
  padding: 48px 32px;
  background: var(--color-charcoal);
  border-radius: 20px;
  border: 1px solid var(--color-border-gold);
}
.final-cta--boxed .final-cta__lead { font-size: 0.8rem; color: var(--color-text-muted); line-height: 1.9; }
/* Image variant: marble background with a separate overlay + centered inner column */
.final-cta--image {
  position: relative;
  padding: 80px 0;
  background-size: cover;
  background-position: center;
}
.final-cta__overlay { position: absolute; inset: 0; }
.final-cta__inner { position: relative; z-index: 10; max-width: 600px; margin: 0 auto; }
.final-cta--image .final-cta__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.1em;
}
.final-cta--image .final-cta__lead { margin-bottom: 32px; }

/* ===== Section header (eyebrow + title + gold divider) ===== */
.section-header { text-align: center; margin-bottom: 24px; }
.section-header__label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
  font-weight: 500;
}
.section-header__title {
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1.6;
  margin-bottom: 20px;
}
.gold-divider {
  width: 40px;
  height: 1px;
  background: var(--color-gold);
  margin: 0 auto 24px;
}
/* Light variant: no eyebrow, display-font title at normal weight — used for in-page sub-headings */
.section-header--light .section-header__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
/* Gradient variant: thicker gold-to-transparent rule, paired with overlay heroes */
.gold-divider--gradient {
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold));
}

/* ===== Cards ===== */
.card {
  background: var(--color-charcoal);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 24px;
}
.card--gold-border { border-color: var(--color-border-gold); }

/* Media/link card: photo + badge, hover-lifts and brightens its border */
.card--media {
  display: block;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  background: var(--color-charcoal);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.card--media:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-gold);
}
.card--media__photo-wrap { position: relative; width: 100%; overflow: hidden; }
.card--media__photo-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card--media:hover .card--media__photo-wrap img { transform: scale(1.05); }
.card--media__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(12, 12, 12, 0.75);
  border: 1px solid var(--color-border-gold);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}
.card--media__body { padding: 20px 22px 24px; }

/* Row card: compact horizontal card (schedule/availability rows, diary entries) */
.card--row {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 14px 16px;
}
.card--row--gold-border { border-color: var(--color-border-gold); }
@media (max-width: 420px) {
  .card--row { flex-wrap: wrap; }
  .card--row > .btn { width: 100%; }
}

/* Tile card: text-only menu/course tile with hover-lift. Accent-bar modifiers
   (recommended/featured/popular) stay page-local since their hover behavior differs. */
.card--tile {
  position: relative;
  overflow: hidden;
  display: block;
  text-align: center;
  padding: 36px 24px;
  background: var(--color-charcoal);
  border-radius: 16px;
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease;
}
.card--tile:hover { transform: translateY(-4px); }
.card--tile__badge { position: absolute; top: 16px; right: 16px; }

/* ===== Therapist listing grid (index「本日の出勤」/ sokumen / schedule 共通) ===== */
/* 縦型カード（写真上／情報中央）の並びの土台。カード本体・ボタン・枠色は
   各ページで構造が異なるためページ側に残し、共通なグリッドと写真枠のみ集約。 */
.therapist-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (min-width: 768px) { .therapist-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; } }
.therapist-grid__photo { aspect-ratio: 3 / 4; overflow: hidden; }
.therapist-grid__photo img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.9) contrast(1.05); }

/* ===== Badges & pills ===== */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  background: var(--color-gold);
  color: var(--color-black);
}
.badge--outline {
  background: rgba(201, 169, 110, 0.12);
  color: var(--color-gold);
  border: 1px solid var(--color-border-gold);
  font-weight: 500;
}

.pill {
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 300;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-cream);
  border: 1px solid var(--color-border);
  font-family: var(--font-serif);
  transition: all 0.2s ease;
}
.pill.is-selected {
  background: var(--color-gold);
  color: var(--color-black);
  border: none;
  font-weight: 600;
}

/* ===== Date select (日付ドロップダウン。detail「予約状況」/ schedule 共通) ===== */
.date-select-wrap { margin-bottom: 20px; }
.date-select {
  width: 100%;
  appearance: none;
  background: var(--color-card) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="%23c9a96e" stroke-width="2"><polyline points="6 9 12 15 18 9"/></svg>') no-repeat right 16px center;
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-sm);
  padding: 12px 40px 12px 16px;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-white);
  text-align: center;
}


/* ===== Therapist search block (therapists / sokumen / schedule) ===== */
/* Presentational only on this static site — no results are filtered or sorted. */
.therapist-search { margin: 0 auto 40px; }

/* こだわり検索 accordion */
.therapist-search__filter {
  margin-top: 24px;
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.therapist-search__filter-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: rgba(201, 169, 110, 0.08);
  cursor: pointer;
}
.therapist-search__filter-title {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-gold);
}
.therapist-search__filter-toggle {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}
.therapist-search__filter-body {
  display: none;
  margin: 0;
  padding: 20px 18px 24px;
}
.therapist-search__filter.is-open .therapist-search__filter-body { display: block; }

.therapist-search__group-title {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-text-cream);
  margin: 18px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}
.therapist-search__group-title:first-child { margin-top: 0; }
.therapist-search__options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}
.therapist-search__options li { display: flex; align-items: center; gap: 6px; }
.therapist-search__options label {
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--color-text-cream);
  letter-spacing: 0.03em;
  cursor: pointer;
}
.therapist-search__options input[type="checkbox"] { accent-color: var(--color-gold); }
.therapist-search__apply { margin-top: 24px; }

/* 並べ替えボタン */
.therapist-search__sort {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.therapist-search__sort-btn {
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-cream);
  border: 1px solid var(--color-border);
  font-family: var(--font-serif);
  transition: all 0.2s ease;
}
.therapist-search__sort-btn.is-selected {
  background: var(--color-gold);
  color: var(--color-black);
  border-color: transparent;
  font-weight: 600;
}

/* ランキング導線 */
.therapist-search__ranking {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}
.therapist-search__ranking-link {
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--color-gold);
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.therapist-search__ranking-link:hover { opacity: 0.7; }

/* ===== Site header: full (centered logo + hamburger), used site-wide ===== */
.site-header--full {
  position: sticky;
  top: 0;
  z-index: 320;
  width: 100%;
  height: 64px;
  background: var(--color-black);
  transition: background-color 0.3s ease;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 64px;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 20px;
}
.site-header__logo-link {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}
.site-header__logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

/* Compact state while scrolling down, or while the side menu is open:
   background + logo fade out so the hamburger's × sits alone, on top of the panel */
.site-header--full.is-compact,
.site-header--full.menu-open { background: transparent; }
.site-header--full.is-compact .site-header__logo-link,
.site-header--full.menu-open .site-header__logo-link {
  opacity: 0;
  pointer-events: none;
}

/* CSS-drawn hamburger icon; pinned to the header's right edge on every viewport width */
.hamburger {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 18px;
  z-index: 210;
}
.hamburger__line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.2s ease, top 0.3s ease;
}
.hamburger__line:nth-child(1) { top: 0; }
.hamburger__line:nth-child(2) { top: 8px; }
.hamburger__line:nth-child(3) { top: 16px; }
.hamburger.is-active .hamburger__line:nth-child(1) { top: 8px; transform: rotate(45deg); }
.hamburger.is-active .hamburger__line:nth-child(2) { opacity: 0; }
.hamburger.is-active .hamburger__line:nth-child(3) { top: 8px; transform: rotate(-45deg); }

/* ===== Side menu overlay (site-wide) ===== */
.side-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0s linear 0.3s;
}
.side-menu-overlay.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease;
}
.side-menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 301;
  height: 100%;
  width: 280px;
  overflow-y: auto;
  background: var(--color-charcoal);
  border-left: 1px solid var(--color-border);
  box-shadow: -4px 0 30px rgba(0, 0, 0, 0.5);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.side-menu-overlay.is-open .side-menu-panel {
  transform: translateX(0);
}
.side-menu-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--color-border);
}
.side-menu-panel__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-gold);
  letter-spacing: 0.15em;
}
.side-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 14px 20px;
  font-size: 0.8rem;
  color: var(--color-text-cream);
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  transition: background-color 0.2s ease;
}
.side-menu-item:hover { background: rgba(255, 255, 255, 0.05); }
.side-menu-item svg { width: 18px; height: 18px; flex-shrink: 0; fill: none; stroke: var(--color-gold); stroke-width: 1.5; }

/* ===== Bottom mobile nav & floating CTA (site-wide) ===== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 64px;
  padding: 0 8px;
  background: rgba(12, 12, 12, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--color-border);
}
.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 2px;
  padding: 6px 4px;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.55rem;
  letter-spacing: 0.05em;
  transition: color 0.2s ease;
}
.bottom-nav__item:hover { color: var(--color-gold); }
.bottom-nav__icon {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.bottom-nav__item--line .bottom-nav__icon {
  fill: currentColor;
  stroke: none;
}
.bottom-nav__item--line { color: #06c755; }

.floating-cta {
  position: fixed;
  z-index: 199;
  bottom: 76px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  color: var(--color-black);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 30px;
  box-shadow: 0 4px 20px rgba(201, 169, 110, 0.4), 0 2px 8px rgba(0, 0, 0, 0.3);
  text-decoration: none;
  transition: transform 0.3s ease;
}
.floating-cta:hover { transform: scale(1.05); }
@media (min-width: 1024px) {
  .floating-cta { display: none; }
}

/* ===== 固定：ページ上部へ戻る（全ページ共通） ===== */
.scroll-top {
  position: fixed;
  z-index: 198;
  bottom: 80px;
  left: 16px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(12, 12, 12, 0.9);
  color: var(--color-gold);
  border: 1px solid var(--color-border-gold);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}
.scroll-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { border-color: var(--color-gold); background: var(--color-charcoal); }
@media (min-width: 1024px) {
  .scroll-top { bottom: 84px; left: 24px; }
}

/* ===== Footer ===== */
.site-footer {
  padding: 60px 0 30px;
  background: var(--color-charcoal);
  border-top: 1px solid var(--color-border);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 48px;
}
@media (min-width: 640px) {
  .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .site-footer__grid { grid-template-columns: repeat(4, 1fr); gap: 40px; }
}
.site-footer__brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-gold);
  display: block;
  margin-bottom: 12px;
}
.site-footer__heading {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  font-weight: 500;
}
.site-footer__link {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  font-weight: 300;
  text-decoration: none;
  line-height: 1.8;
  margin-bottom: 14px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
}
.site-footer__link:last-child { margin-bottom: 0; }
.site-footer__link:hover { color: var(--color-gold); }
/* ===== フッター他店バナー ===== */
.site-footer__banners {
  width: 100%;
  max-width: 640px;
  margin: 25px auto;
  text-align: center;
}
.site-footer__banners li { margin: 20px auto; }
.site-footer__banners a {
  display: block;
  transition: opacity 0.3s ease;
}
.site-footer__banners a:hover { opacity: 0.85; }
.site-footer__banners img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

/* ===== セクション フローティングナビ（スクロール連動ハイライト） ===== */
/* ヘッダー(320)・サイドメニュー(300/301) より下、本文より上に配置。
   モバイル＝右端の丸ボタン（タップで一覧を展開）／ PC＝右端に常時ドット表示。 */
.section-nav {
  position: fixed;
  left: 16px;
  bottom: 136px; /* 「上部へ戻る」ボタン(bottom:80 + 高さ44) の真上に12px空けて配置 */
  z-index: 199;  /* 上部へ戻る(198) より前面。ヘッダー/サイドメニュー(300+) より背面 */
}

/* --- SP: 開閉トグル（丸ボタン・ハンバーガー→×） --- */
.section-nav__toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 46px;
  height: 46px;
  padding: 0;
  border-radius: 50%;
  background: rgba(12, 12, 12, 0.9);
  border: 1px solid var(--color-border-gold);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.section-nav__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-gold);
  transition: transform 0.3s ease, opacity 0.2s ease;
}
.section-nav.is-open .section-nav__toggle-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.section-nav.is-open .section-nav__toggle-bar:nth-child(2) { opacity: 0; }
.section-nav.is-open .section-nav__toggle-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --- SP: 展開リスト（初期は折りたたみ／トグルの上へ展開） --- */
.section-nav__list {
  position: absolute;
  left: 0;
  bottom: calc(100% + 12px); /* トグルの上に展開（下部の各ボタンと重ならない） */
  min-width: 158px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: calc(100vh - 270px); /* 上端がヘッダーに被らない高さに制限。超過分はスクロール */
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 8px;
  background: rgba(12, 12, 12, 0.95);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px) scale(0.98);
  transform-origin: bottom left;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}
.section-nav.is-open .section-nav__list {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* --- SP: 各項目（ドット＋ラベルの行） --- */
.section-nav__item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
}
.section-nav__item.is-active { background: rgba(201, 169, 110, 0.12); }
.section-nav__dot {
  flex-shrink: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-text-muted);
  transition: background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.section-nav__item:hover .section-nav__dot { background: var(--color-gold-light); }
.section-nav__item.is-active .section-nav__dot {
  background: var(--color-gold);
  transform: scale(1.5);
  box-shadow: 0 0 8px rgba(201, 169, 110, 0.6);
}
.section-nav__label {
  font-family: var(--font-serif);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: var(--color-text-cream);
}
.section-nav__item.is-active .section-nav__label { color: var(--color-gold); }

/* ===== PC（1024px〜）：トグルは隠し、常時ドットナビ＋ホバーでラベル ===== */
@media (min-width: 1024px) {
  .section-nav {
    top: 50%;
    right: 24px;
    left: auto;
    bottom: auto;
    transform: translateY(-50%);
  }
  .section-nav__toggle { display: none; }

  .section-nav__list {
    position: static;
    top: auto;
    right: auto;
    min-width: 0;
    align-items: center;
    max-height: none;
    overflow: visible;
    gap: 2px;
    padding: 10px 7px;
    background: rgba(12, 12, 12, 0.72);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .section-nav__item {
    justify-content: center;
    width: 22px;
    height: 20px;
    gap: 0;
    padding: 0;
    border-radius: 0;
  }
  .section-nav__item.is-active { background: none; }

  /* ラベルはホバー／アクティブ時のみ左側にツールチップ表示 */
  .section-nav__label {
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%) translateX(6px);
    padding: 4px 12px;
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    background: rgba(12, 12, 12, 0.92);
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-pill);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  }
  .section-nav__item.is-active .section-nav__label { color: var(--color-text-cream); }
  .section-nav__item:hover .section-nav__label,
  .section-nav__item.is-active .section-nav__label {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
  }
}

.site-footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  gap: 16px;
}
@media (min-width: 640px) {
  .site-footer__bottom { flex-direction: row; }
}
.site-footer__social {
  display: flex;
  gap: 16px;
}
.site-footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: all 0.3s ease;
}
.site-footer__social a:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-black);
}