/* =====================================
   Common Layout
   全ページ共通：ベース・ヘッダー・フッター・パンくず・
   セクション見出し・共通CTA・スマホ固定CTA 等
===================================== */

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  padding-bottom: 64px; /* スマホ固定CTA分の余白(base) */
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

.container {
  width: 100%;
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--space-sm);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-lg);
  }
}

.container--md {
  max-width: var(--container-md);
}

.container--sm {
  max-width: var(--container-sm);
}

/* ---- Skip link (a11y) ---- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: var(--z-modal);
  background: var(--color-brand-blue);
  color: var(--color-white);
  padding: var(--space-2xs) var(--space-sm);
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus-visible {
  left: 0;
}

/* ---- Focus visible ---- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

/* =====================================
   Header
===================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height-mobile);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

@media (min-width: 1024px) {
  .site-header {
    height: var(--header-height);
    backdrop-filter: saturate(180%) blur(6px);
    -webkit-backdrop-filter: saturate(180%) blur(6px);
  }
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--space-sm);
}

@media (min-width: 1024px) {
  .site-header__inner {
    padding-inline: var(--space-lg);
  }
}

.site-header__logo {
  display: flex;
  align-items: center;
  flex: 0 1 auto;
  min-width: 0;
  margin-right: auto;
}

.site-header__logo img {
  display: block;
  width: clamp(156px, 48vw, 220px);
  height: auto;
  max-height: 50px;
  object-fit: contain;
}

@media (max-width: 359px) {
  .site-header__logo img { width: 148px; }
}

@media (min-width: 1024px) {
  .site-header__logo { margin-right: var(--space-lg); }
  .site-header__logo img {
    width: 270px;
    max-height: 60px;
  }
}

.global-nav {
  display: none;
}

@media (min-width: 1024px) {
  .global-nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    height: 100%;
  }

  .global-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-md);
  }

  .global-nav__link {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    white-space: nowrap;
    position: relative;
    padding: 6px 2px;
  }

  .global-nav__link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-brand-red);
    transform: scaleX(0);
    transition: transform var(--transition-base);
  }

  .global-nav__link:hover::after,
  .global-nav__link[aria-current="page"]::after {
    transform: scaleX(1);
  }
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/* ---- Header booking CTA (共通ボタンとは別に小型表示) ---- */
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-brand-red);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: background-color var(--transition-base);
}

.header-cta:hover {
  background-color: var(--color-brand-red-dark);
}

@media (min-width: 1024px) {
  .header-cta {
    font-size: 0.9rem;
    padding: 10px 20px;
  }
}

@media (max-width: 767px) {
  .header-cta { display: none; }
}

/* ---- Hamburger ---- */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle__line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-black);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- Mobile nav drawer ---- */
.mobile-nav {
  position: fixed;
  top: var(--header-height-mobile);
  right: 0;
  left: 0;
  z-index: calc(var(--z-header) - 1);
  height: calc(100vh - var(--header-height-mobile));
  height: calc(100dvh - var(--header-height-mobile));
  max-height: calc(100dvh - var(--header-height-mobile));
  background-color: var(--color-white);
  padding: var(--space-md) var(--space-sm) calc(92px + env(safe-area-inset-bottom));
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  visibility: hidden;
}

.mobile-nav.is-open {
  transform: translateX(0);
  visibility: visible;
}

@media (min-width: 1024px) {
  .mobile-nav {
    display: none;
  }
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-sm) var(--space-2xs);
  font-size: 1.05rem;
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
  min-height: 44px;
}

.mobile-nav__link[aria-current="page"] {
  color: var(--color-brand-red);
  font-weight: 700;
}

.mobile-nav__cta {
  margin-top: var(--space-md);
}

@media (prefers-reduced-motion: reduce) {
  .mobile-nav {
    transition: none;
  }
}

/* =====================================
   Breadcrumb
===================================== */
.breadcrumb {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  padding-block: var(--space-2xs);
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.breadcrumb__list li:not(:last-child)::after {
  content: "›";
  margin-inline: 6px;
  color: var(--color-text-muted);
}

.breadcrumb__list a {
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--transition-base);
}

.breadcrumb__list a:hover {
  text-decoration-color: currentColor;
}

.text-nowrap {
  white-space: nowrap;
}

/* =====================================
   Page header (下層ページ共通見出し)
===================================== */
.page-header {
  background-color: var(--color-brand-blue);
  background-image: linear-gradient(135deg, var(--color-brand-blue) 0%, #0b0a5e 100%);
  color: var(--color-white);
  padding-block: var(--space-lg) var(--space-md);
  text-align: center;
}

@media (min-width: 768px) {
  .page-header {
    padding-block: var(--space-xl) var(--space-lg);
  }
}

.page-header__eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--color-light-beige);
  font-weight: 600;
}

.page-header__title {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  margin-top: var(--space-2xs);
  line-height: 1.4;
}

@media (min-width: 768px) {
  .page-header__title {
    font-size: 2.2rem;
  }
}

.page-header__lead {
  margin-top: var(--space-sm);
  font-size: 0.92rem;
  color: var(--color-light-beige);
  max-width: 640px;
  margin-inline: auto;
  text-wrap: pretty;
}

@media (min-width: 768px) {
  .page-header__lead {
    max-width: 840px;
  }
}

/* =====================================
   Section heading
===================================== */
.section-heading {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-heading__eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-brand-red);
  margin-bottom: var(--space-2xs);
}

.section-heading__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-black);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .section-heading__title {
    font-size: 1.9rem;
  }
}

.section-heading__desc {
  margin-top: var(--space-sm);
  color: var(--color-text-muted);
  font-size: 0.92rem;
  max-width: 620px;
  margin-inline: auto;
}

.section {
  padding-block: var(--space-xl);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

/* =====================================
   Buttons
===================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background-color: var(--color-brand-red);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-brand-red-dark);
}

.btn--secondary {
  background-color: var(--color-white);
  color: var(--color-brand-blue);
  border: 2px solid var(--color-brand-blue);
}

.btn--secondary:hover {
  background-color: var(--color-brand-blue);
  color: var(--color-white);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-brand-blue);
  border: 2px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-brand-blue);
}

.btn--block {
  width: 100%;
}

.btn--lg {
  min-height: 56px;
  padding: 14px 36px;
  font-size: 1.05rem;
}

.btn[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
}

/* =====================================
   Mobile fixed CTA bar
===================================== */
.mobile-cta-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-mobile-cta);
  display: flex;
  gap: var(--space-2xs);
  padding: var(--space-2xs) var(--space-sm);
  padding-bottom: calc(var(--space-2xs) + env(safe-area-inset-bottom));
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -6px 16px rgba(17, 17, 17, 0.08);
}

@media (min-width: 768px) {
  .mobile-cta-bar {
    display: none;
  }
}

.mobile-cta-bar .btn {
  flex: 1;
  padding-inline: 8px;
  font-size: 0.85rem;
}

/* =====================================
   Footer
===================================== */
.site-footer {
  background-color: var(--color-black);
  color: var(--color-light-beige);
  padding-block: var(--space-xl) var(--space-md);
}

.site-footer__inner {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

.site-footer__brand img {
  height: 56px;
  width: auto;
  filter: none;
}

.site-footer__desc {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: #cfcabb;
  max-width: 320px;
}

.site-footer__heading {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
  color: var(--color-white);
}

.site-footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.site-footer__list a {
  font-size: 0.85rem;
  color: #cfcabb;
  transition: color var(--transition-base);
}

.site-footer__list a:hover {
  color: var(--color-white);
}

.site-footer__sns {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: #cfcabb;
  transition: color var(--transition-base);
}

.site-footer__sns:hover {
  color: var(--color-white);
}

.site-footer__sns img,
.site-footer__sns svg {
  width: 22px;
  height: 22px;
}

.site-footer__bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid #333333;
  text-align: center;
  font-size: 0.75rem;
  color: #999488;
}

/* =====================================
   Utilities
===================================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.text-center {
  text-align: center;
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }


/* iOS Safari: mobile menu background scroll lock */
body.nav-open {
  position: fixed;
  width: 100%;
  overflow: hidden;
  touch-action: none;
}

body.nav-open .mobile-nav {
  touch-action: pan-y;
}

body.nav-open .mobile-cta-bar {
  visibility: hidden;
  pointer-events: none;
}


/* =====================================
   External text links
===================================== */
.external-link {
  color: var(--color-brand-blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.external-link::after {
  content: "↗";
  display: inline-block;
  margin-left: 0.25em;
  font-size: 0.78em;
  line-height: 1;
  vertical-align: 0.12em;
}

.external-link:hover,
.external-link:focus-visible {
  color: var(--color-brand-red);
}

/* =====================================
   Page top button
===================================== */
.page-top-button {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: calc(82px + env(safe-area-inset-bottom));
  z-index: calc(var(--z-mobile-cta) + 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-brand-blue);
  box-shadow: var(--shadow-md);
  font-size: 1.35rem;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.page-top-button.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.page-top-button:hover,
.page-top-button:focus-visible {
  color: var(--color-white);
  background: var(--color-brand-blue);
}

body.nav-open .page-top-button {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@media (min-width: 768px) {
  .page-top-button {
    right: 24px;
    bottom: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-top-button {
    transition: none;
  }
}

/* =====================================
   Program dropdown navigation
   体験プログラムは一覧ページへ直接遷移させず、
   ヘッダーから4つの詳細ページへ直接アクセスする。
===================================== */
@media (min-width: 1024px) {
  .global-nav__item--has-submenu {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
  }

  .global-nav__trigger {
    appearance: none;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    white-space: nowrap;
    position: relative;
    padding: 6px 18px 6px 2px;
    cursor: default;
  }

  .global-nav__trigger::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: calc(100% - 16px);
    height: 2px;
    background-color: var(--color-brand-red);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--transition-base);
  }

  .global-nav__trigger:hover::after,
  .global-nav__trigger:focus-visible::after,
  .global-nav__trigger[aria-expanded="true"]::after,
  .global-nav__trigger.is-current::after {
    transform: scaleX(1);
  }

  .global-nav__chevron {
    position: absolute;
    right: 2px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    transition: transform var(--transition-base);
  }

  .global-nav__trigger[aria-expanded="true"] .global-nav__chevron {
    transform: translateY(-50%) rotate(180deg);
  }

  .global-nav__submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    z-index: calc(var(--z-header) + 1);
    min-width: 240px;
    padding: 8px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, -8px);
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

  .global-nav__item--has-submenu:hover .global-nav__submenu,
  .global-nav__item--has-submenu:focus-within .global-nav__submenu,
  .global-nav__item--has-submenu.is-open .global-nav__submenu {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
    pointer-events: auto;
  }

  .global-nav__submenu-link {
    display: block;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.45;
    white-space: nowrap;
    transition: color var(--transition-base), background-color var(--transition-base);
  }

  .global-nav__submenu-link:hover,
  .global-nav__submenu-link:focus-visible,
  .global-nav__submenu-link[aria-current="page"] {
    color: var(--color-brand-red);
    background-color: var(--color-bg-alt);
  }
}

/* Mobile: 「体験プログラム」をタップすると4項目を展開 */
.mobile-nav__submenu-toggle {
  width: 100%;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-2xs);
  border: 0;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  color: inherit;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 500;
}

.mobile-nav__submenu-toggle.is-current {
  color: var(--color-brand-red);
  font-weight: 700;
}

.mobile-nav__submenu-chevron {
  flex: 0 0 auto;
  font-size: 1.25rem;
  line-height: 1;
}

.mobile-nav__submenu {
  margin: 0;
  padding: 4px 0 8px 14px;
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__submenu[hidden] {
  display: none;
}

.mobile-nav__submenu-link {
  display: block;
  min-height: 44px;
  padding: 11px 12px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  font-size: 0.98rem;
  line-height: 1.45;
}

.mobile-nav__submenu li:last-child .mobile-nav__submenu-link {
  border-bottom: 0;
}

.mobile-nav__submenu-link[aria-current="page"] {
  color: var(--color-brand-red);
  font-weight: 700;
}

@media (min-width: 1024px) {
  .mobile-nav__submenu-toggle,
  .mobile-nav__submenu {
    display: none !important;
  }
}


/* 第35回：忍者ウェルネスハイク追加ビジュアル */
.wellness-extra-visual {
  margin-top: 2rem;
}
.wellness-extra-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
}
.wellness-extra-visual__caption {
  margin-top: 0.75rem;
  color: #555;
  font-size: 0.95rem;
  line-height: 1.8;
}


/* =====================================
   第53回：ウェルネスハイク導線改善
===================================== */
.program-card__media-link {
  display: block;
  position: relative;
  color: inherit;
}

.program-card__media-link:focus-visible {
  outline: 3px solid var(--color-brand-blue);
  outline-offset: -3px;
}

.wellness-event-link {
  width: 100%;
  min-height: 52px;
  box-shadow: var(--shadow-sm);
}

.wellness-venue-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-sm);
  min-height: 42px;
  padding: 8px 16px;
  border: 2px solid var(--color-brand-blue);
  border-radius: var(--radius-full);
  color: var(--color-brand-blue);
  font-weight: 700;
  font-size: 0.86rem;
  text-decoration: none;
}

.wellness-venue-link::after {
  content: "↗";
  margin-left: 0.4em;
  font-size: 0.86em;
}

.wellness-venue-link:hover,
.wellness-venue-link:focus-visible {
  background: var(--color-brand-blue);
  color: var(--color-white);
}

.event-booking-cta {
  padding: clamp(1.4rem, 4vw, 2.2rem);
  text-align: center;
  background: var(--color-white);
  border: 2px solid var(--color-brand-red);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.event-booking-cta__lead {
  margin-bottom: var(--space-sm);
  font-weight: 700;
  line-height: 1.8;
}

.event-booking-cta__button {
  min-width: min(100%, 420px);
}

.event-booking-cta__note {
  margin-top: var(--space-xs);
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.wellness-back-link {
  min-width: min(100%, 360px);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 767px) {
  .event-booking-cta__button,
  .wellness-back-link {
    width: 100%;
  }
}


/* =====================================
   第54回：申込・電話導線調整
===================================== */
.phone-number-link {
  color: var(--color-brand-blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.phone-number-link:hover,
.phone-number-link:focus-visible {
  color: var(--color-brand-red);
}

.event-booking-section .event-booking-cta {
  margin-top: var(--space-md);
}