/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */
:root {
  /* Colors - Monochrome Design */
  --color-primary: #00a6cb; /* キーカラー */
  --color-black: #1a1a1a;
  --color-dark: #333333;
  --color-text: #333333;
  --color-text-light: #6636666;
  --color-gray: #999999;
  --color-border: #dddddd;
  --color-bg-light: #ffffff;
  --color-bg-gray: #ffffff;
  --color-white: #ffffff;

  /* Typography */
  --font-sans: "Roboto", "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 5rem;

  /* Layout */
  --container-max: 1040px;
  --container-narrow: 800px;
  --sidebar-width: 300px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Transition */
  --transition: 0.3s ease;
}

/* ==========================================================================
   Base（リセットは assets/css/reset.css で読み込み）
   ========================================================================== */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500; /* medium */
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-text);
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover,
a:focus {
  opacity: 0.7;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--color-black);
  font-weight: 900;
  line-height: 1.4;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--space-md);
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
  padding: 0 var(--space-xl);
}

.section-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  box-sizing: border-box;
}

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

.site-content {
  margin-top: var(--space-2xl);
  padding: var(--space-2xl) var(--space-md);
  background: #fffbe3 url('../images/common/bg.jpg') repeat;
  box-sizing: border-box;
  background: #f5f5f0;

  width: 100vw;
  position: relative;
  left: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  overflow: hidden;
}


.content-area {
  margin: 0 auto;
  max-width: var(--container-max);
  flex: 1;
  min-width: 0;    background: #fff;
  padding: 2rem;
  border-radius: 15px;
}

.widget-area {
  width: var(--sidebar-width);
  flex-shrink: 0;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  background-color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  margin-bottom: 3rem;
  transition: box-shadow var(--transition);
}

.site-header .header-top__inner,
.site-header .site-branding .custom-logo,
.site-header .site-branding__logo img,
.site-header .main-navigation a {
  transition: padding var(--transition), width var(--transition), font-size var(--transition);
}

.site-header.is-scrolled {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.site-header.is-scrolled .header-top__inner {
  padding: 6px 0;
}

.site-header.is-scrolled .site-branding .custom-logo,
.site-header.is-scrolled .site-branding__logo img {
  width: 200px;
}

.site-header.is-scrolled .main-navigation a {
  padding: 0.5em 1.2em;
  font-size: 14px;
}

/* Header Top */
.header-top {
  border-bottom: none;
}

.header-top__inner {
  position: relative;
  width: 1140px;
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-md);
  padding: 24px 0;
}

.site-branding {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
}

.site-branding .custom-logo,
.site-branding__logo img {
  width: 300px;
  height: auto;
}

.site-title {
  font-size: var(--font-size-xl);
  font-weight: 900;
  margin: 0;
  letter-spacing: 0.05em;
}

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

.site-title a:hover {
  opacity: 0.7;
}

.site-description {
  display: none;
}

/* Header CTA Buttons */
.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header-cta__instagram {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: opacity var(--transition), transform var(--transition);
  flex-shrink: 0;
}

.header-cta__instagram:hover {
  opacity: 0.85;
  transform: scale(1.08);
}

.header-cta__instagram .icon-instagram {
  display: block;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.header-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6em 1.8em;
  font-size: var(--font-size-sm);
  font-weight: 700;
  border-radius: 50px;
  transition: all var(--transition);
  white-space: nowrap;
}

.header-cta__btn--volunteer {
  background-color: var(--color-white);
  color: var(--color-black);
  border: 2px solid var(--color-white);
}

.header-cta__btn--volunteer:hover {
  background-color: transparent;
  color: var(--color-white);
  opacity: 1;
}

.header-cta__btn--contact {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.header-cta__btn--contact:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Header Navigation */
.header-nav {
  background-color:#2ea2cc;
  border-bottom: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.header-nav .container {
  display: flex;
  justify-content: center;
}

.main-navigation ul {
  display: flex;
  align-items: center;
  gap: 0;
}

.main-navigation li {
  position: relative;
}

.main-navigation a {
  display: block;
  padding: 0.75em 1.5em;
  color: var(--color-white);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: all var(--transition);
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
  color: var(--color-white);
  opacity: 1;
  background-color: rgba(255, 255, 255, 0.1);
}

/* Sub menu */
.main-navigation .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  min-width: 200px;
  padding: var(--space-sm) 0;
  flex-direction: column;
  gap: 0;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.main-navigation li:hover > .sub-menu {
  display: flex;
}

.main-navigation .sub-menu a {
  padding: var(--space-sm) var(--space-lg);
  color: rgba(255, 255, 255, 0.85);
}

.main-navigation .sub-menu a:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.1);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-dark);
  z-index: 1100;
  position: relative;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

.menu-toggle .hamburger {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background 0.2s ease;
}

.menu-toggle .hamburger::before,
.menu-toggle .hamburger::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  position: absolute;
  left: 0;
  transition: transform 0.3s ease, top 0.3s ease;
}

.menu-toggle .hamburger::before { top: -7px; }
.menu-toggle .hamburger::after { top: 7px; }

.menu-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile menu overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.is-active {
  display: block;
  opacity: 1;
}

/* Mobile menu CTA (hidden on desktop) */
.mobile-menu-cta {
  display: none;
}

/* Sub-menu toggle arrow (mobile) */
.sub-menu-toggle {
  display: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding: var(--space-3xl) 0 var(--space-xl);
}

.site-footer-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  box-sizing: border-box;
}
.footer-widgets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-widgets .widget-title {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-white);
}

.footer-widgets a {
  color: var(--color-bg-gray);
}

.footer-widgets a:hover {
  color: var(--color-white);
}

/* フッターナビ・CTA（ヘッダーと同じリンク） */
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.footer-nav__inner {
  flex: 1 1 auto;
  min-width: 0;
}

.footer-nav__menu,
.site-footer .footer-nav__inner .menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav__menu li,
.site-footer .footer-nav__inner .menu li {
  margin: 0;
}

.footer-nav__menu a,
.site-footer .footer-nav__inner .menu a {
  display: block;
  padding: 0.4em 0.75em;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 700;
}

.footer-nav__menu a:hover,
.site-footer .footer-nav__inner .menu a:hover,
.footer-nav__menu .current-menu-item a,
.site-footer .footer-nav__inner .current-menu-item a {
  color: var(--color-primary);
  opacity: 1;
}

.footer-cta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;
}

.footer-cta__instagram {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  transition: opacity var(--transition), transform var(--transition);
}

.footer-cta__instagram:hover {
  opacity: 0.85;
  transform: scale(1.08);
}

.footer-cta__instagram .icon-instagram {
  display: block;
  width: 20px;
  height: 20px;
}

.footer-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5em 1.4em;
  font-size: var(--font-size-sm);
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.footer-cta__btn--contact {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.footer-cta__btn--contact:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  opacity: 1;
}

.site-info__bottom {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-sm);
}

.site-info__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  max-width: 1040px;
  margin: 0 auto;
  padding: 0.75em var(--space-xl);
  box-sizing: border-box;
}

.site-info__copyright {
  flex-shrink: 0;
}

.footer-links__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links__list li {
  margin: 0;
  padding: 0 var(--space-sm);
  border-right: 1px solid rgba(255, 255, 255, 0.35);
}

.footer-links__list li:last-child {
  border-right: none;
  padding-right: 0;
}

.footer-links__list li:first-child {
  padding-left: 0;
}

.footer-links__list a {
  font-size: var(--font-size-xs);
  color: var(--color-white);
  text-decoration: none;
  transition: opacity var(--transition);
}

.footer-links__list a:hover {
  opacity: 0.85;
}

.site-info {
  display: flex;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: var(--font-size-sm);
  flex-direction: column;
  align-items: center;
}


.site-info__item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);align-items: center;
}

.site-info__item-logo {
  width: 300px;
}

.site-info__item-logo img {
  width: 300px;
  object-fit: contain;
}
.site-info__item-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
}

.site-info__item-content {
  font-size: var(--font-size-sm);
}


@media (max-width: 768px) {
  .footer-nav {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-nav__menu,
  .site-footer .footer-nav__inner .menu {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-nav__menu a,
  .site-footer .footer-nav__inner .menu a {
    padding: 0.35em 0;
  }
}

@media (max-width: 480px) {
  .site-info p {
    font-size: var(--font-size-xs);
    line-height: 1.6;
  }
}

/* ==========================================================================
   Front Page - Hero (メインビジュアル)
   ========================================================================== */
.hero {
  max-width: 1140px;
  margin: 0 auto 2rem;
  padding: 0;
  overflow: hidden;
  background-color: var(--color-bg-gray);
  border-radius: 20px;
}

.hero__image {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
  display: block;
  border-radius: 0;
}

.hero__video {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
  display: block;
  border-radius: 0;
}

.hero__placeholder {
  width: 100%;
  height: 400px;
  background-color: var(--color-bg-gray);
}

/* ==========================================================================
   Front Page - お知らせセクション
   ========================================================================== */
.section-news {
  padding: var(--space-3xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.section-news__inner {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.section-news__title {
  font-size: var(--font-size-2xl);
  font-weight: 900;
  white-space: nowrap;
  padding-top: var(--space-sm);
  min-width: 120px;
}

.section-news__list {
  flex: 1;
}

.news-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-xl);
  padding: 0.6em 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  text-decoration: none;
  transition: opacity var(--transition);
}

.news-item:first-child {
  padding-top: 0;
}

.news-item:last-child {
  border-bottom: none;
}

a.news-item:hover {
  opacity: 0.7;
}

.news-item__date {
  font-size: var(--font-size-sm);
  white-space: nowrap;
  min-width: 80px;
}

.news-item__title {
  line-height: 1.6;
  flex: 1;
}

/* ==========================================================================
   Front Page - Section Heading
   ========================================================================== */
.section-heading {
  text-align: center;
  font-size: var(--font-size-2xl);
  font-weight: 900;
  margin-bottom: var(--space-2xl);
}

/* ==========================================================================
   Front Page - リード文セクション
   ========================================================================== */
.section-lead {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-alt, #f8f6f2);
  border-bottom: 1px solid var(--color-border);
}

.section-lead__text {
  font-size: var(--font-size-lg);
  line-height: 2;
  color: var(--color-text);
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

/* ==========================================================================
   Front Page - イベント情報セクション
   ========================================================================== */
.section-event {
  padding: var(--space-3xl) 0;
}

.event-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.event-card {
  display: flex;
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid var(--color-border);
}

.section-event .event-cards .event-card {
  margin-left: auto;
  margin-right: auto;
}

.event-card__thumbnail {
  width: 300px;
  min-height: 200px;
  flex-shrink: 0;
  overflow: hidden;
}

.event-card__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.event-card__placeholder {
  width: 100%;
  height: 100%;
  min-height: 200px;
  background: linear-gradient(135deg, #e5e5e5 0%, #b0b0b0 100%);
}

.event-card__body {
  padding: var(--space-lg) var(--space-lg) var(--space-lg) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.event-card__date {
  display: none;
}

.event-card__title {
  font-size: var(--font-size-lg);
  font-weight: 900;
  margin-bottom: var(--space-sm);
}

.event-card__title a {
  color: var(--color-black);
}

.event-card__excerpt {
  font-size: var(--font-size-xs);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.event-card__excerpt p {
  margin-bottom: 0;
}

.event-card__link {
  display: inline-block;
  padding: 0.5em 2em;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-align: center;
  transition: all var(--transition);
  align-self: flex-start;
}

.event-card__link:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  opacity: 1;
}

.event-empty {
  text-align: center;
  padding: var(--space-2xl);
  
  font-size: var(--font-size-base);
}

/* イベントアーカイブページ（ワンカラム） */
.site-main--event .event-grid {
  grid-template-columns: 1fr;
}

.section-event--archive {
  padding: var(--space-2xl) 0;
  border-bottom: none;
}

.section-event--archive:last-of-type {
  padding-bottom: 0;
}

.section-event__subheading {
  font-size: var(--font-size-xl);
  font-weight: 900;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
}

.event-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.section-event--archive:not(.section-event--past) {
  margin-bottom: var(--space-3xl);
}

.section-event--past {
  padding-top: var(--space-3xl);
  border-top: 1px solid var(--color-border);
}

.section-event--past .event-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 0;
}

.post-card--event .post-card__meta-sep {
  margin: 0 var(--space-xs);
  
}

.post-card--event .post-card__excerpt {
  margin-bottom: var(--space-md);
}

.post-card__thumbnail--placeholder {
  min-height: 200px;
  background: linear-gradient(135deg, #e5e5e5 0%, #b0b0b0 100%);
}

.post-card__thumbnail--placeholder .event-card__placeholder {
  width: 100%;
  height: 100%;
  min-height: 200px;
}

/* ==========================================================================
   Front Page - ブログセクション
   ========================================================================== */
.section-blog {
  padding: var(--space-3xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.blog-card {
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.blog-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.blog-card__link {
  display: block;
  color: var(--color-text);
  text-decoration: none;
}

a.blog-card__link:hover {
  opacity: 1;
}

.blog-card__thumbnail {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.blog-card__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.blog-card:hover .blog-card__thumbnail img {
  transform: scale(1.05);
}

.blog-card__placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #e5e5e5 0%, #b0b0b0 100%);
}

.blog-card__body {
  padding: var(--space-md);
}

.blog-card__date {
  display: block;
  font-size: var(--font-size-xs);
  
  margin-bottom: var(--space-xs);
}

.blog-card__title {
  font-size: var(--font-size-base);
  font-weight: 700;
  line-height: 1.5;
}

/* ブログ記事一覧ボタン */
.section-blog__more {
  text-align: center;
}

.btn-more {
  display: inline-block;
  padding: 0.75em 4em;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-base);
  font-weight: 700;
  text-align: center;
  transition: all var(--transition);
}

.btn-more:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  opacity: 1;
}

/* ==========================================================================
   Front Page - Instagram セクション
   ========================================================================== */
.section-instagram {
  padding: var(--space-4xl) 0;
  background: #fff4f6;
  border-bottom: 1px solid var(--color-border);
}

/* ヘッダー（アイコン + タイトル + サブタイトル） */
.section-instagram__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-instagram__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: #fff;
  margin-bottom: var(--space-md);
}

.section-instagram__title {
  font-size: var(--font-size-2xl);
  font-weight: 900;
  color: var(--color-black);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.04em;
}

.section-instagram__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  letter-spacing: 0.06em;
}

/* 埋め込みウィジェット */
.instagram-embed {
  max-width: 100%;
  margin: 0 auto var(--space-xl);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.instagram-embed iframe {
  max-width: 100%;
  margin: 0 auto;
  display: block;
  border: 0;
  min-height: 400px;
}

.instagram-embed > div {
  max-width: 100%;
  margin: 0 auto;
}

/* 投稿グリッド */
.instagram-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.instagram-grid__item {
  display: block;
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-border);
  animation: ig-fade-in 0.5s ease both;
  animation-delay: var(--ig-delay, 0s);
}

@keyframes ig-fade-in {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

.instagram-grid__thumb {
  display: block;
  width: 100%;
  height: 100%;
}

.instagram-grid__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.instagram-grid__item:hover .instagram-grid__thumb img {
  transform: scale(1.08);
}

/* ホバーオーバーレイ */
.instagram-grid__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.55) 100%);
  opacity: 0;
  transition: opacity 0.35s ease;
  padding: var(--space-md);
}

.instagram-grid__item:hover .instagram-grid__overlay {
  opacity: 1;
}

.instagram-grid__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.25);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  color: #fff;
  border-radius: 50%;
}

.instagram-grid__caption {
  color: #fff;
  font-size: var(--font-size-xs);
  line-height: 1.5;
  text-align: center;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: 90%;
}

/* フォローボタン */
.section-instagram__follow {
  text-align: center;
}

.btn-instagram {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.85em 2em;
  background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  background-size: 200% 200%;
  color: #fff;
  font-size: var(--font-size-base);
  font-weight: 700;
  text-decoration: none;
  border-radius: 50px;
  transition: background-position 0.5s ease, transform 0.2s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 14px rgba(225, 48, 108, 0.25);
}

.btn-instagram:hover {
  background-position: 100% 100%;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(225, 48, 108, 0.35);
}

.btn-instagram:active {
  transform: translateY(0);
}

.btn-instagram .icon-instagram {
  flex-shrink: 0;
}

@media (prefers-reduced-motion: reduce) {
  .instagram-grid__item {
    animation: none;
  }
  .instagram-grid__thumb img {
    transition: none;
  }
  .instagram-grid__overlay {
    transition: none;
  }
  .btn-instagram {
    transition: none;
  }
}

/* ==========================================================================
   Front Page Sections (legacy / fallback)
   ========================================================================== */
.front-section {
  padding: var(--space-3xl) 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  
  font-size: var(--font-size-lg);
}

/* ==========================================================================
   Posts & Cards (アーカイブ等)
   ========================================================================== */
.post-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.post-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.post-card__thumbnail {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.post-card__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.post-card:hover .post-card__thumbnail img {
  transform: scale(1.05);
}

.post-card__body {
  padding: var(--space-lg);
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--font-size-xs);
  
  margin-bottom: var(--space-sm);
}

.post-card__category {
  display: inline-block;
  padding: 2px 8px;
  background: var(--color-dark);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.post-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.post-card__title a {
  color: var(--color-black);
}

.post-card__title a:hover {
  opacity: 0.7;
}

.post-card__excerpt {
  font-size: var(--font-size-sm);
  
  line-height: 1.6;
}

/* Post Grid */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

/* ==========================================================================
   Single Post / Page
   ========================================================================== */
.entry-header {
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
}

/* entry-header: 背景画像 + 角丸 + 中央タイトル（画像仕様）※サイト幅いっぱい・左右余白は .container の padding で確保 */
.entry-header--has-bg {
  position: relative;
  min-height: 160px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  overflow: hidden;
  box-sizing: border-box;
}

/* 背景画像レイヤー */
.entry-header__bg {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  pointer-events: none;
}

.entry-header--has-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
}

.entry-header--has-bg .entry-title {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  font-size: var(--font-size-4xl);
  font-weight: 900;
  margin: 0;
  text-align: center;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.entry-header--has-bg .entry-meta,
.entry-header--has-bg .single-cpt__back {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.9);
}

.entry-header--has-bg .entry-meta a,
.entry-header--has-bg .single-cpt__back a {
  color: var(--color-white);
}

@media (min-width: 768px) {
  .entry-header--has-bg {
    min-height: 200px;
    padding: var(--space-3xl);
  }

  .entry-header--has-bg .entry-title {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .entry-header--has-bg {
    min-height: 90px;
  }

  .entry-header--has-bg .entry-title {
    font-size: var(--font-size-2xl);
  }
}

/* パンくずリスト（entry-header 直下） */
.breadcrumb {
  max-width: 1140px;
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
  margin-left: auto;
  margin-right: auto;
}

/* パンくず直後の site-content の上余白を縮める */
.breadcrumb + .site-content {
  margin-top: var(--space-md);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25em;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--font-size-sm);
  color: var(--color-gray-600, #666);
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
}

.breadcrumb__link {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb__link:hover {
  text-decoration: underline;
}

.breadcrumb__current {
  color: var(--color-gray-700, #333);
  font-weight: 500;
}

.breadcrumb__sep {
  color: var(--color-gray-400, #999);
  user-select: none;
  pointer-events: none;
}

/* カスタム投稿個別: 一覧へ戻るリンク */
.single-cpt__back {
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
}

.single-cpt__back a {
  color: var(--color-primary);
  text-decoration: none;
}

.single-cpt__back a:hover {
  text-decoration: underline;
}
.single-cpt__header-inner {
  margin-bottom: var(--space-md);
}
.single-cpt__header-inner .single-cpt__title {
  margin-bottom: var(--space-md);
}

.single-cpt__meta.single-cpt__meta--event {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600, #666);
  margin-top: var(--space-sm);
}

.entry-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.entry-meta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  font-size: var(--font-size-sm);
  
}

.entry-thumbnail {
  margin-bottom: var(--space-2xl);
  overflow: hidden;
}

.entry-content {
  font-size: var(--font-size-base);
  line-height: 1.9;
}

.entry-content h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-sm);
  border-bottom: 3px solid var(--color-primary);
  color: var(--color-black);
}

.entry-content h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-lg);
  padding-left: 0.8em;
  border-left: 4px solid var(--color-primary);
  color: var(--color-black);
}

.entry-content h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
  color: var(--color-black);
  padding-bottom: var(--space-xs);
  border-bottom: 1px dashed var(--color-border);
}

.entry-content h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  color: var(--color-dark);
}

.entry-content h6 {
  font-size: var(--font-size-base);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.entry-content > *:first-child {
  margin-top: 0;
}

.entry-content p {
  margin-bottom: var(--space-lg);
}

.entry-content ul,
.entry-content ol {
  margin-bottom: var(--space-lg);
  padding-left: 0;
}

.entry-content ul {
  list-style: none;
}

.entry-content ul > li {
  position: relative;
  padding-left: 1.4em;
  margin-bottom: 0.5em;
}

.entry-content ul > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  background: var(--color-primary);
  border-radius: 50%;
}

.entry-content ul ul > li::before {
  background: transparent;
  border: 2px solid var(--color-primary);
  width: 5px;
  height: 5px;
}

.entry-content ol {
  list-style: none;
  counter-reset: ol-counter;
}

.entry-content ol > li {
  position: relative;
  padding-left: 2em;
  margin-bottom: 0.5em;
  counter-increment: ol-counter;
}

.entry-content ol > li::before {
  content: counter(ol-counter);
  position: absolute;
  left: 0;
  top: 0.15em;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5em;
  height: 1.5em;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75em;
  font-weight: 700;
  border-radius: 50%;
  line-height: 1;
}

.entry-content li > ul,
.entry-content li > ol {
  margin-top: 0.5em;
  margin-bottom: 0;
}

.entry-content li:last-child {
  margin-bottom: 0;
}

.entry-content blockquote {
  margin-bottom: var(--space-xl);
  margin-top: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  background: #f8f9fa;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-dark);
}

.entry-content blockquote p:last-child {
  margin-bottom: 0;
}

.entry-content blockquote cite {
  display: block;
  margin-top: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  font-style: normal;
}

.entry-content hr {
  margin: var(--space-2xl) 0;
  border: none;
  border-top: 1px solid var(--color-border);
}

.entry-content figure {
  margin-bottom: var(--space-xl);
}

.entry-content figcaption {
  margin-top: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  text-align: center;
}

.entry-content pre {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-black);
  color: var(--color-bg-gray);
  overflow-x: auto;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.entry-content code {
  background: var(--color-bg-gray);
  padding: 2px 6px;
  font-size: 0.9em;
}

.entry-content pre code {
  background: none;
  padding: 0;
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-xl);
}

.entry-content th,
.entry-content td {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  text-align: left;
}

.entry-content th {
  background: var(--color-bg-light);
  font-weight: 600;
}

.entry-content img {
  margin-bottom: var(--space-lg);
}

/* Post Navigation */
.content-area > article {
  margin-bottom: var(--space-3xl);
}

.post-navigation {
  display: flex;
  justify-content: space-between;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
  flex: 1;
}

.post-navigation .nav-next {
  text-align: right;
}

.post-navigation .nav-subtitle {
  display: block;
  font-size: var(--font-size-xs);
  
  margin-bottom: var(--space-xs);
}

.post-navigation .nav-title {
  font-weight: 600;
  color: var(--color-black);
}

/* ==========================================================================
   Sidebar / Widgets
   ========================================================================== */
.widget {
  margin-bottom: var(--space-2xl);
}

.widget-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-black);
}

.widget ul li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.widget ul li:last-child {
  border-bottom: none;
}

.widget ul li a {
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.widget ul li a:hover {
  opacity: 0.7;
}

/* ==========================================================================
   Comments
   ========================================================================== */
.comments-area {
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.comments-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-xl);
}

.comment-list {
  margin-bottom: var(--space-2xl);
}

.comment-list .comment {
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  background: var(--color-bg-light);
}

.comment-list .comment > article {
  margin-bottom: var(--space-md);
}

.comment-list .children {
  margin-left: var(--space-2xl);
}

.comment-author {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.comment-meta {
  font-size: var(--font-size-xs);
  
  margin-bottom: var(--space-sm);
}

/* Comment Form */
.comment-form label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-sm);
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  transition: border-color var(--transition);
  margin-bottom: var(--space-md);
}

.comment-form input:focus,
.comment-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 166, 203, 0.15);
}

.comment-form .submit {
  display: inline-block;
  padding: var(--space-sm) var(--space-2xl);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

.comment-form .submit:hover {
  background: #0088a8;
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
}

.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-sm);
  border: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: all var(--transition);
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ==========================================================================
   404 Page
   ========================================================================== */
.error-404 {
  text-align: center;
  padding: var(--space-3xl) 0;
}

.error-404 h1 {
  font-size: 6rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.error-404 p {
  font-size: var(--font-size-lg);
  
  margin-bottom: var(--space-xl);
}

.error-404 .search-form {
  max-width: 400px;
  margin: 0 auto;
}

/* ==========================================================================
   Search
   ========================================================================== */
.search-form {
  display: flex;
  gap: var(--space-sm);
}

.search-form .search-field {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  font-size: var(--font-size-base);
  font-family: var(--font-sans);
}

.search-form .search-field:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-form .search-submit {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: var(--font-size-base);
  transition: background var(--transition);
}

.search-form .search-submit:hover {
  background: #0088a8;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}

.screen-reader-text:focus {
  background-color: var(--color-bg-light);
  box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
  clip: auto !important;
  clip-path: none;
  color: var(--color-dark);
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  height: auto;
  left: 5px;
  line-height: normal;
  padding: 15px 23px 14px;
  text-decoration: none;
  top: 5px;
  width: auto;
  z-index: 100000;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .site-content {
    flex-direction: column;
  }

  .widget-area {
    width: 100%;
  }

  .footer-widgets {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .instagram-grid {
    grid-template-columns: repeat(2, 1fr);
    border-radius: var(--radius-md);
  }

  .section-instagram__icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
  }

  .section-instagram__icon svg {
    width: 26px;
    height: 26px;
  }

  .section-instagram__title {
    font-size: var(--font-size-xl);
  }

  .event-card__thumbnail {
    width: 220px;
  }

  .section-event--past .event-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .post-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  /* Drawer menu */
  .header-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 85%;
    max-width: 320px;
    height: 100dvh;
    background-color: #2ea2cc;
    z-index: 1050;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    border-top: none;
    padding-top: 70px;
  }

  .header-nav.is-active {
    transform: translateX(0);
  }

  .header-nav .container {
    display: flex;
    flex-direction: column;
    padding: 0;
    height: 100%;
  }

  .main-navigation {
    display: block;
    flex: 1;
  }

  .main-navigation ul {
    flex-direction: column;
    gap: 0;
  }

  .main-navigation li {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .main-navigation li:last-child {
    border-bottom: none;
  }

  .main-navigation a {
    padding: 1em 1.5em;
    font-size: 15px;
    border-bottom: none;
  }

  /* Sub-menu toggle arrow */
  .main-navigation .menu-item-has-children {
    position: relative;
  }

  .sub-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    right: 0;
    width: 50px;
    height: 48px;
    background: none;
    border: none;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    cursor: pointer;
    padding: 0;
    transition: transform 0.3s ease;
  }

  .sub-menu-toggle::after {
    content: "";
    display: block;
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.3s ease;
  }

  .sub-menu-toggle[aria-expanded="true"]::after {
    transform: rotate(-135deg);
  }

  .main-navigation .sub-menu {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    padding: 0;
    min-width: 0;
    background: rgba(0, 0, 0, 0.15);
  }

  .main-navigation .sub-menu.is-open {
    display: flex;
    flex-direction: column;
  }

  .main-navigation .sub-menu li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .main-navigation .sub-menu li:last-child {
    border-bottom: none;
  }

  .main-navigation .sub-menu a {
    padding: 0.85em 1.5em 0.85em 2.5em;
    font-size: 14px;
    font-weight: 400;
  }

  /* Mobile CTA in drawer */
  .mobile-menu-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl) var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
  }

  .mobile-menu-cta__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.9em 1.5em;
    background-color: var(--color-white);
    color: #2ea2cc;
    font-size: var(--font-size-sm);
    font-weight: 700;
    border-radius: 50px;
    text-align: center;
    transition: opacity var(--transition);
  }

  .mobile-menu-cta__btn:hover {
    opacity: 0.85;
  }

  .mobile-menu-cta__instagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: opacity var(--transition);
  }

  .mobile-menu-cta__instagram:hover {
    opacity: 0.85;
  }

  .mobile-menu-cta__instagram .icon-instagram {
    flex-shrink: 0;
  }

  /* Body scroll lock */
  body.mobile-menu-open {
    overflow: hidden;
  }

  .header-top__inner {
    padding: 12px var(--space-sm);
  }

  .section-news__inner {
    flex-direction: column;
    gap: var(--space-md);
  }

  .section-news__title {
    min-width: auto;
  }

  .event-card {
    flex-direction: column;
  }

  .event-card__thumbnail {
    width: 100%;
    min-height: 180px;
  }

  .event-card__body {
    padding: var(--space-lg);
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .post-grid {
    grid-template-columns: 1fr;
  }

  .event-grid {
    grid-template-columns: 1fr;
  }

  .footer-widgets {
    grid-template-columns: 1fr;
  }

  .post-navigation {
    flex-direction: column;
  }

  .post-navigation .nav-next {
    text-align: left;
  }

  .entry-title {
    font-size: var(--font-size-2xl);
  }

  /* --- モバイル余白縮小 (768px) --- */
  .site-header {
    margin-bottom: 1.5rem;
  }

  .site-content {
    margin-top: 1.5rem;
    padding: 1.5rem var(--space-sm);
  }

  .hero {
    margin: 0 var(--space-sm) 1rem;
    border-radius: 12px;
  }

  .section-news {
    padding: var(--space-xl) 0;
  }

  .section-event {
    padding: var(--space-xl) 0;
  }

  .section-blog {
    padding: var(--space-xl) 0;
  }

  .section-instagram {
    padding: var(--space-xl) 0;
  }

  .front-section {
    padding: var(--space-xl) 0;
  }

  .section-heading {
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-xl);
  }

  .section-header {
    margin-bottom: var(--space-lg);
  }

  .blog-grid {
    margin-bottom: var(--space-lg);
  }

  .event-cards {
    gap: var(--space-md);
  }

  .site-footer {
    padding: var(--space-xl) 0 var(--space-md);
  }

  .footer-widgets {
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
  }

  .footer-nav {
    gap: var(--space-md);
    padding: var(--space-md) 0;
  }

  .site-info__bottom-inner {
    padding: 0.6em var(--space-md);
  }

  .entry-thumbnail {
    margin-bottom: var(--space-lg);
  }

  .content-area > article {
    margin-bottom: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .container,
  .section-inner {
    padding: 0 var(--space-sm);
  }

  .hero__placeholder {
    height: 250px;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .instagram-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3px;
    border-radius: var(--radius-sm);
  }

  .instagram-grid__caption {
    display: none;
  }

  .instagram-grid__overlay {
    background: rgba(0, 0, 0, 0.15);
  }

  .section-instagram__header {
    margin-bottom: var(--space-lg);
  }

  .section-instagram__icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
  }

  .section-instagram__icon svg {
    width: 22px;
    height: 22px;
  }

  .section-instagram__title {
    font-size: var(--font-size-lg);
  }

  .section-instagram__subtitle {
    font-size: var(--font-size-xs);
  }

  .btn-instagram {
    font-size: var(--font-size-sm);
    padding: 0.75em 1.5em;
  }

  .instagram-embed iframe {
    min-height: 320px;
    width: 100%;
  }

  .btn-more {
    display: block;
    padding: 0.75em 2em;
  }

  /* --- モバイル余白縮小 (480px) --- */
  .site-header {
    margin-bottom: 1rem;
  }

  .site-content {
    margin-top: 1rem;
    padding: 1rem var(--space-xs);
  }

  .hero {
    margin: 0 var(--space-xs) 0.75rem;
    border-radius: 8px;
  }

  .section-news,
  .section-event,
  .section-blog,
  .section-instagram,
  .front-section {
    padding: var(--space-lg) 0;
  }

  .section-heading {
    margin-bottom: var(--space-md);
    font-size: var(--font-size-lg);
  }

  .section-header {
    margin-bottom: var(--space-md);
  }

  .section-news__inner {
    gap: var(--space-sm);
  }

  .news-item {
    gap: var(--space-md);
    padding: 0.4em 0;
  }

  .event-card__body {
    padding: var(--space-md);
  }

  .blog-grid {
    gap: var(--space-md);
    margin-bottom: var(--space-md);
  }

  .site-footer {
    padding: var(--space-lg) 0 var(--space-sm);
  }

  .site-footer-inner {
    padding: 0 var(--space-sm);
  }

  .footer-widgets {
    gap: var(--space-md);
    margin-bottom: var(--space-md);
  }

  .footer-nav {
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
  }

  .site-info__item {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .site-info__item-logo {
    width: 200px;
  }

  .site-info__item-logo img {
    width: 200px;
  }

  .entry-thumbnail {
    margin-bottom: var(--space-md);
  }

  .content-area > article {
    margin-bottom: var(--space-lg);
  }

  .post-navigation {
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    padding-top: var(--space-md);
  }
}

/* ==========================================================================
   WordPress Core Alignments
   ========================================================================== */
.alignleft {
  float: left;
  margin-right: var(--space-lg);
  margin-bottom: var(--space-md);
}

.alignright {
  float: right;
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.aligncenter {
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-md);
}

.alignwide {
  margin-left: calc(-1 * var(--space-xl));
  margin-right: calc(-1 * var(--space-xl));
  max-width: calc(100% + 2 * var(--space-xl));
}

.alignfull {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  max-width: 100vw;
  width: 100vw;
}

/* WordPress Block Editor */
.wp-block-image {
  margin-bottom: var(--space-lg);
}




.wp-block-gallery {
  margin-bottom: var(--space-lg);
}

.wp-block-button__link {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-xl);
  font-weight: 600;
  transition: background var(--transition);
}

.wp-block-button__link:hover {
  background: #0088a8;
  color: var(--color-white);
}

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

.has-text-align-right {
  text-align: right;
}

/* ==========================================================================
   ページの先頭へボタン
   ========================================================================== */
.pagetop {
  position: fixed;
  right: var(--space-lg);
  bottom: 45px;
  z-index: 100;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(10px);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition),
    opacity var(--transition), visibility var(--transition);
}

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

.pagetop:hover {
  background: #0088a8;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.pagetop:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .pagetop {
    right: var(--space-md);
    bottom: 45px;
    padding: var(--space-sm) var(--space-sm);
    font-size: var(--font-size-xs);
  }

  .pagetop__text {
    display: none;
  }

  .pagetop::before {
    content: "↑";
    font-size: var(--font-size-lg);
    line-height: 1;
  }
}

/* ==========================================================================
   About ページ（私たちについて）
   ========================================================================== */
.about-hero {
  margin-bottom: var(--space-3xl, 3rem);
  text-align: center;
}

.about-greeting {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  font-weight: 900;
  margin-bottom: var(--space-lg);
  letter-spacing: 0.05em;
}

.about-name {
  font-size: var(--font-size-3xl);
  color: var(--color-black);
  margin-bottom: var(--space-xl);
  line-height: 1.3;
}

.about-lead {
  font-size: var(--font-size-lg);
  
  line-height: 1.9;
  max-width: 36em;
  margin-left: auto;
  margin-right: auto;
}

.about-section {
  margin-bottom: var(--space-3xl);
}

.about-section:not(.about-members) {
  padding: var(--space-2xl);
  background: linear-gradient(135deg, rgba(0, 166, 203, 0.05) 0%, rgba(0, 166, 203, 0.02) 100%);
  border-radius: var(--radius-md, 8px);
}

.about-section__title {
  color: var(--color-primary);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-sm);
  display: inline-block;
  font-weight: 900;
}

/* メンバー紹介セクション（ダークテーマ） */
.about-section.about-members {
}

.about-section.about-members .about-section__title {
  border-bottom: none;
  padding-bottom: 0;
  display: block;
  text-align: center;
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-xl);
}

.about-members__blog-link {
  text-align: center;
  margin-bottom: 0;
}

.about-members__blog-link a {
  color: var(--color-white);
  font-size: var(--font-size-base);
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: opacity var(--transition);
}

.about-members__blog-link a:hover {
  opacity: 0.8;
}

.about-origin-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about-origin-list li {
  margin-bottom: var(--space-lg);
  padding-left: 2.5em;
  position: relative;
}

.about-origin-list li:last-child {
  margin-bottom: 0;
}

.about-origin-num {
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 1.5em;
  height: 1.5em;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75em;
  font-weight: 900;
}

.about-origin-list li p {
  margin: 0;
  line-height: 1.9;
}

/* 代表挨拶 */
.about-message__body {
  line-height: 1.9;
}

.about-message__body p {
  margin-bottom: var(--space-lg);
}

.about-message__body p:last-child {
  margin-bottom: 0;
}

.about-message__signature {
  padding-top: var(--space-2xl);
  text-align: right;
  font-size: var(--font-size-base);
  line-height: 1.8;
}

.about-members__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin: 0 auto var(--space-2xl);
  max-width: var(--container-max);
}

.about-member {
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  background: #fff;
}

.about-member__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.about-member__photo {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  background: #e8e8e8;
}

.about-member__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-member__name-role {
  flex: 1;
  min-width: 0;
}

.about-member__name {
  font-weight: 700;
  font-size: var(--font-size-base);
  margin: 0 0 var(--space-xs);
  color: var(--color-black);
}
.about-member__area {
  font-size: var(--font-size-sm);
  
  margin: 0;
  font-weight: 500;
}

.about-member__role {
  font-size: var(--font-size-sm);
  color: var(--color-black);
  margin: 0;
  font-weight: 500;
}

.about-member__body {
  padding: 0;
  min-width: 0;
}

.about-member__intro {
  margin: 0;
  line-height: 1.7;
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

@media (max-width: 768px) {
  .about-members__list {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-section {
  margin-bottom: var(--space-3xl);
}

.faq-section > h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--space-xl);
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: var(--space-sm);
  display: inline-block;
}

.faq-list {
  margin-top: var(--space-xl);
}

.faq-item {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-bg-gray);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-q {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.faq-a {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.faq-icon {
  flex-shrink: 0;
  width: 2.25em;
  height: 2.25em;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.faq-icon--q {
  position: relative;
  width: 2.25rem;
  height: 2.25rem;
  min-width: 2.25rem;
  min-height: 2.25rem;
  background: transparent;
  color: transparent;
  font-size: 0;
}

.faq-icon--q::before {
  content: "";
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 36'%3E%3Ccircle cx='18' cy='18' r='17' fill='%2300a6cb'/%3E%3Ctext x='18' y='24' font-family='Arial,sans-serif' font-size='20' font-weight='900' fill='%23fff' text-anchor='middle'%3EQ%3C/text%3E%3C/svg%3E") center / contain no-repeat;
}

.faq-icon--a {
  position: relative;
  width: 2.25rem;
  height: 2.25rem;
  min-width: 2.25rem;
  min-height: 2.25rem;
  background: transparent;
  color: transparent;
  border: none;
  font-size: 0;
}

.faq-icon--a::before {
  content: "";
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 36'%3E%3Ccircle cx='18' cy='18' r='16' fill='none' stroke='%2300a6cb' stroke-width='2'/%3E%3Ctext x='18' y='24' font-family='Arial,sans-serif' font-size='18' font-weight='900' fill='%2300a6cb' text-anchor='middle'%3EA%3C/text%3E%3C/svg%3E") center / contain no-repeat;
}

.faq-q p {
  margin: 0;
  font-weight: 700;
  font-size: var(--font-size-base);
  line-height: 1.7;
}

.faq-a p {
  margin: 0;
  line-height: 1.8;
  color: var(--color-text);
}

/* 活動ページ：下部3枚画像を横並び */
.activity-bottom-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.activity-bottom-images img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

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

@media (max-width: 480px) {
  .activity-bottom-images {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   サイトマップ・サイトポリシー・プライバシーポリシー
   ========================================================================== */
.sitemap-section,
.policy-section {
  margin-bottom: var(--space-3xl);
}

.sitemap-lead,
.policy-lead {
  margin-bottom: var(--space-xl);
  color: var(--color-text, #333);
}

.sitemap-list {
  max-width: 56ch;
  margin: 0 auto;
}

.sitemap-heading {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border, #e0e0e0);
}

.sitemap-heading:first-child {
  margin-top: 0;
}

.sitemap-ul {
  list-style: none;
  padding-left: 0;
  margin: 0 0 var(--space-md);
}

.sitemap-ul li {
  padding: var(--space-xs) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.sitemap-ul a {
  color: var(--color-primary);
  text-decoration: none;
}

.sitemap-ul a:hover {
  text-decoration: underline;
}

.policy-body {
}

.policy-heading {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.policy-body p {
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.policy-updated {
  margin-top: var(--space-2xl);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted, #666);
}

/* ==========================================================================
   下部固定ツールバー（管理バー）でコンテンツが隠れないようにする
   ========================================================================== */
.admin-bar .site-info__bottom {
  padding-bottom: 32px;
}
@media screen and (max-width: 782px) {
  .admin-bar .site-info__bottom {
    padding-bottom: 46px;
  }
}

@media (max-width: 768px) {
  .content-area {
    padding: 1rem;
    border-radius: 10px;
  }

  .about-section {
    margin-bottom: var(--space-xl);
  }

  .about-section:not(.about-members) {
    padding: var(--space-lg);
  }

  .about-hero {
    margin-bottom: var(--space-xl);
  }

  .faq-section {
    margin-bottom: var(--space-xl);
  }

  .faq-item {
    padding: var(--space-md);
    margin-bottom: var(--space-md);
  }

  .sitemap-section,
  .policy-section {
    margin-bottom: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .content-area {
    padding: 0.75rem;
    border-radius: 8px;
  }

  .about-section {
    margin-bottom: var(--space-lg);
  }

  .about-section:not(.about-members) {
    padding: var(--space-md);
  }

  .about-hero {
    margin-bottom: var(--space-lg);
  }

  .about-name {
    font-size: var(--font-size-2xl);
  }

  .about-members__list {
    gap: var(--space-md);
  }

  .about-member {
    padding: var(--space-md);
  }

  .about-member__photo {
    width: 70px;
    height: 70px;
  }

  .faq-section {
    margin-bottom: var(--space-lg);
  }

  .faq-item {
    padding: var(--space-sm);
    margin-bottom: var(--space-md);
  }

  .faq-q,
  .faq-a {
    gap: var(--space-sm);
  }

  .sitemap-section,
  .policy-section {
    margin-bottom: var(--space-lg);
  }
}