/* ============================================================
   TOHOKU IGNITE — メインスタイルシート
   躍動感と明るさを表現する、東北の挑戦を伝えるデザイン
   ============================================================ */

/* ----------------------------------------
   デザイントークン
   ---------------------------------------- */
:root {
  /* メインカラー（躍動感のある暖色系） */
  --c-red:         #DC2626;
  --c-red-dark:    #B91C1C;
  --c-red-deep:    #991B1B;
  --c-red-soft:    #FEE2E2;
  --c-orange:      #F97316;
  --c-orange-soft: #FFEDD5;
  --c-yellow:      #FBBF24;
  --c-yellow-soft: #FEF3C7;
  --c-gold:        #F59E0B;

  /* 背景・テキスト */
  --c-bg:        #FFFEF7;
  --c-bg-warm:   #FFF7E8;
  --c-bg-cream:  #FFFAF0;
  --c-white:     #FFFFFF;
  --c-text:      #1F1F1F;
  --c-text-soft: #4B4B4B;
  --c-muted:     #9CA3AF;
  --c-line:      #F0E8DC;

  /* タイポグラフィ */
  --ff-base: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', 'Yu Gothic Medium', sans-serif;
  --ff-display: 'Anton', 'Noto Sans JP', sans-serif;
  --ff-script: 'Caveat', 'Brush Script MT', cursive;

  /* レイアウト */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 8px rgba(220, 38, 38, 0.06);
  --shadow-md: 0 8px 24px rgba(220, 38, 38, 0.10);
  --shadow-lg: 0 16px 40px rgba(220, 38, 38, 0.15);
  --shadow-cta: 0 10px 30px rgba(220, 38, 38, 0.35);

  --max-w: 1240px;
  --pad-x: clamp(1.25rem, 4vw, 2.5rem);
  --header-h: 80px;

  --t-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --t-med:  0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ----------------------------------------
   リセット
   ---------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--ff-base);
  font-weight: 500;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

:focus-visible { outline: 3px solid var(--c-orange); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; top: -100%; left: 1rem; z-index: 9999;
  background: var(--c-red); color: #fff; padding: 0.5rem 1rem; border-radius: var(--radius-sm); font-weight: 700;
}
.skip-link:focus { top: 1rem; }

/* ----------------------------------------
   レイアウト
   ---------------------------------------- */
.container { width: 100%; max-width: var(--max-w); margin-inline: auto; padding-inline: var(--pad-x); }
.section { padding-block: clamp(3rem, 6vw, 5.5rem); position: relative; }

/* ----------------------------------------
   ヘッダー
   ---------------------------------------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 254, 247, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-line);
  height: var(--header-h);
  display: flex; align-items: center;
}
.header__inner { display: flex; align-items: center; gap: 1.5rem; height: 100%; }

/* ロゴ */
.logo { display: inline-flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.logo__flame {
  width: 38px; height: 46px;
  filter: drop-shadow(0 2px 4px rgba(220, 38, 38, 0.2));
}
.logo__text { display: flex; flex-direction: column; line-height: 0.95; }
.logo__text-1 { font-size: 0.78rem; font-weight: 900; letter-spacing: 0.06em; color: var(--c-text); }
.logo__text-2 { font-size: 1.15rem; font-weight: 900; letter-spacing: 0.04em; color: var(--c-red); }

/* グローバルナビ */
.nav { flex: 1; }
.nav__list { display: flex; align-items: center; justify-content: center; gap: 0.15rem; }
.nav__link {
  position: relative;
  display: block;
  padding: 0.6rem 0.95rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--c-text-soft);
  transition: color var(--t-fast);
  white-space: nowrap;
}
.nav__link:hover { color: var(--c-red); }
.nav__link.is-active { color: var(--c-red); }
.nav__link.is-active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0.95rem; right: 0.95rem;
  height: 3px; border-radius: 2px;
  background: var(--c-red);
}

/* ヘッダーCTA */
.btn-cta-header {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.05rem;
  background: var(--c-red);
  color: #fff;
  padding: 0.6rem 1.2rem 0.55rem;
  border-radius: var(--radius-md);
  font-weight: 800;
  transition: background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  flex-shrink: 0;
  text-align: center;
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.3);
  position: relative;
}
.btn-cta-header::before {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: calc(var(--radius-md) - 4px);
  pointer-events: none;
}
.btn-cta-header:hover { background: var(--c-red-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4); }
.btn-cta-header__icon { display: block; width: 18px; height: 18px; margin-bottom: 0.1rem; }
.btn-cta-header__main { font-size: 0.85rem; line-height: 1.1; }
.btn-cta-header__sub  { font-size: 0.65rem; opacity: 0.9; line-height: 1; }

/* ハンバーガー */
.hamburger {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.hamburger__bar { display: block; width: 22px; height: 2.5px; background: var(--c-text); border-radius: 2px; transition: transform var(--t-fast), opacity var(--t-fast); }
.hamburger.is-active .hamburger__bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.is-active .hamburger__bar:nth-child(2) { opacity: 0; }
.hamburger.is-active .hamburger__bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* モバイルナビ */
.mobile-nav {
  position: fixed; top: var(--header-h); right: 0;
  width: min(340px, 88vw); height: calc(100dvh - var(--header-h));
  background: var(--c-white);
  z-index: 99;
  transform: translateX(100%);
  transition: transform var(--t-med);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav__list { display: flex; flex-direction: column; gap: 0.25rem; }
.mobile-nav__link {
  display: block; padding: 0.9rem 1rem;
  font-size: 1rem; font-weight: 700; color: var(--c-text);
  border-radius: var(--radius-sm); transition: background var(--t-fast), color var(--t-fast);
}
.mobile-nav__link:hover { background: var(--c-bg-warm); color: var(--c-red); }
.mobile-nav__cta { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--c-line); }
.mobile-nav-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  z-index: 98; opacity: 0; pointer-events: none; transition: opacity var(--t-med);
}
.mobile-nav-overlay.is-active { opacity: 1; pointer-events: auto; }

/* ============================================================
   ヒーローセクション（トップページ）
   ============================================================ */
.hero {
  position: relative;
  padding: clamp(2rem, 6vw, 4.5rem) 0 clamp(1.5rem, 4vw, 3rem);
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 30%, rgba(251, 191, 36, 0.08), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(249, 115, 22, 0.06), transparent 40%),
    var(--c-bg);
}

/* ============================================================
   動画背景ヒーロー
   ============================================================ */
.hero--video {
  min-height: clamp(560px, 80vh, 760px);
  padding: clamp(4rem, 10vw, 7rem) 0 clamp(3rem, 6vw, 5rem);
  display: flex;
  align-items: center;
  background: #0A0A0A;
}

/* YouTube背景動画のラッパー */
.hero__youtube-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
  /* iframeを少し暗めに */
  filter: brightness(0.55) saturate(0.95) contrast(1.05);
}

/* 背景動画コンテナ（Vimeo Player SDKが生成するラッパーdiv）を16:9でカバー表示 */
/* .hero__youtube は旧YouTube iframe の互換用として残す */
.hero__youtube,
#vimeo-player {
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  /* デフォルト（縦長ビューポート）：高さ基準 16:9 */
  width: 177.78vh !important;     /* 100vh × 16/9 */
  height: 100vh !important;
  min-width: 100% !important;
  min-height: 100% !important;
  transform: translate(-50%, -50%) !important;
  pointer-events: none !important;
}

/* Vimeo SDKが#vimeo-player内部に生成するiframeをコンテナに追従させる */
#vimeo-player iframe {
  width: 100% !important;
  height: 100% !important;
  border: 0 !important;
  pointer-events: none !important;
}

/* ビューポートが16:9より横長の場合：横幅基準でスケール */
@media (min-aspect-ratio: 16/9) {
  .hero__youtube,
  #vimeo-player {
    width: 100vw !important;
    height: 56.25vw !important;   /* 100vw × 9/16 */
  }
}

/* 動画起動前のカバー（YouTube UI / サムネイルを隠す） */
/* overlay(z-index:1) の直後にDOMで配置されるため、同z-indexでも上に重なる */
.hero__video-cover {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: #0A0A0A;
  pointer-events: none;
  transition: opacity 0.8s ease;
}
.hero__video-cover.is-hidden {
  opacity: 0;
}

/* 旧mp4 video要素も互換用に残す */
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: brightness(0.55) saturate(0.95) contrast(1.05);
  pointer-events: none;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.15) 30%, rgba(0,0,0,0.45) 100%),
    radial-gradient(circle at 30% 40%, rgba(220, 38, 38, 0.18), transparent 60%),
    radial-gradient(circle at 75% 60%, rgba(249, 115, 22, 0.12), transparent 55%);
}

.hero--video .hero__inner {
  position: relative;
  z-index: 2;
  grid-template-columns: 1fr;
  max-width: 1240px;
}

.hero--video .hero__content {
  max-width: 720px;
}

/* 動画上の文字色を白系に調整 */
.hero--video .hero__title .l {
  /* 元のグラデは活かしつつ、暗背景でも目立つよう発光感を付与 */
  text-shadow:
    0 2px 12px rgba(0, 0, 0, 0.4),
    0 0 40px rgba(220, 38, 38, 0.25);
}

.hero--video .hero__catchcopy {
  color: #FFFFFF;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.55);
}
.hero--video .hero__catchcopy-highlight {
  color: #FFFFFF;   /* 周囲の文字と同じ白に */
  padding: 0;       /* 枠用の余白をリセット */
}
.hero--video .hero__catchcopy-highlight::before {
  display: none;    /* 枠を非表示 */
}

.hero--video .hero__desc {
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
  max-width: 620px;
}

/* 動画ヒーロー内の浮遊バッジ */
.hero__badge--floating {
  position: absolute;
  top: 8%;
  right: 4%;
  width: clamp(110px, 14vw, 150px);
  height: clamp(110px, 14vw, 150px);
  z-index: 3;
}

/* 動画上に重ねるスプラッシュ装飾 */
.splash--global-1, .splash--global-2, .splash--global-3 {
  position: absolute;
  pointer-events: none;
  z-index: 2;
  opacity: 0.75;
}
.splash--global-1 { top: 12%; left: 4%; width: clamp(50px, 6vw, 80px); transform: rotate(-15deg); }
.splash--global-2 { bottom: 14%; right: 22%; width: clamp(60px, 8vw, 100px); transform: rotate(25deg); opacity: 0.6; }
.splash--global-3 { top: 28%; right: 32%; width: clamp(40px, 5vw, 65px); transform: rotate(40deg); opacity: 0.55; }

/* モーション低減希望ユーザー向けフォールバック */
@media (prefers-reduced-motion: reduce) {
  .hero__video,
  .hero__youtube-wrap,
  .hero__video-cover { display: none; }
  .hero--video {
    background:
      linear-gradient(180deg, rgba(0,0,0,0.4), rgba(0,0,0,0.2)),
      url('https://images.unsplash.com/photo-1529390079861-591de354faf5?w=1600&q=80') center/cover;
  }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content { position: relative; z-index: 2; }

/* ヒーロータイトル（巨大カラフル文字） */
.hero__title {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(3.5rem, 11vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
}
.hero__title-row { display: block; }
.hero__title .l {
  display: inline-block;
  font-family: var(--ff-display);
  font-weight: 900;
}
/* TOHOKU - 黄色から赤へグラデーション */
.hero__title .l-1 { color: #F5C842; }
.hero__title .l-2 { color: #F2A93E; }
.hero__title .l-3 { color: #ED7D2F; }
.hero__title .l-4 { color: #D9492B; }
.hero__title .l-5 { color: #C8302A; }
.hero__title .l-6 { color: #B82428; }
/* IGNITE - 赤系統 */
.hero__title .l-7  { color: #E8542F; }
.hero__title .l-8  { color: #D43A2C; }
.hero__title .l-9  { color: #B82428; }
.hero__title .l-10 { color: #9B1B23; }
.hero__title .l-11 { color: #C8302A; }
.hero__title .l-12 { color: #B82428; }

.hero__catchcopy {
  font-size: clamp(1.1rem, 2.4vw, 1.55rem);
  font-weight: 700;
  line-height: 1.55;
  margin-bottom: 1.25rem;
}
.hero__catchcopy-highlight {
  display: inline-block;
  position: relative;
  color: var(--c-red);
  padding: 0 0.15em;
}
.hero__catchcopy-highlight::before {
  content: '';
  position: absolute;
  inset: -0.15em -0.1em -0.15em -0.1em;
  border: 2px solid var(--c-red);
  border-radius: 4px;
  z-index: -1;
}

.hero__desc {
  font-size: clamp(0.85rem, 1.5vw, 0.95rem);
  color: var(--c-text-soft);
  line-height: 1.9;
  margin-bottom: 2rem;
  max-width: 540px;
}

/* ヒーロービジュアル */
.hero__visual {
  position: relative;
  aspect-ratio: 1.1 / 1;
}

/* 写真コラージュ */
.hero__photos {
  position: relative;
  width: 100%; height: 100%;
}
.hero__photo {
  position: absolute;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.hero__photo img { width: 100%; height: 100%; object-fit: cover; }
.hero__photo--a {
  top: 0%; left: 5%; width: 55%; height: 50%;
  clip-path: polygon(0% 10%, 100% 0%, 100% 90%, 0% 100%);
}
.hero__photo--b {
  top: 5%; right: 0%; width: 45%; height: 45%;
  clip-path: polygon(15% 0%, 100% 5%, 100% 95%, 0% 100%);
}
.hero__photo--c {
  bottom: 5%; left: 15%; width: 40%; height: 45%;
  clip-path: polygon(0% 5%, 100% 0%, 95% 100%, 5% 95%);
}
.hero__photo--d {
  bottom: 0%; right: 8%; width: 50%; height: 50%;
  clip-path: polygon(10% 8%, 95% 0%, 100% 92%, 0% 100%);
}
.hero__photo-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #FFD8B5 0%, #FFB5A5 50%, #FFC8E0 100%);
  display: flex; align-items: center; justify-content: center;
  color: rgba(220, 38, 38, 0.3); font-size: 0.7rem;
}

/* 観覧者募集中バッジ */
.hero__badge {
  position: absolute;
  top: 12%;
  right: -1%;
  width: clamp(95px, 12vw, 130px);
  height: clamp(95px, 12vw, 130px);
  background: var(--c-red);
  color: #fff;
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  box-shadow: 0 8px 24px rgba(220, 38, 38, 0.35);
  z-index: 5;
  border: 4px solid #fff;
  transform: rotate(-8deg);
  animation: badge-bounce 3s ease-in-out infinite;
}
@keyframes badge-bounce {
  0%, 100% { transform: rotate(-8deg) translateY(0); }
  50%      { transform: rotate(-8deg) translateY(-6px); }
}
.hero__badge-text { font-size: clamp(0.85rem, 1.5vw, 1rem); font-weight: 900; line-height: 1.2; }
.hero__badge-sub  { font-size: 0.6rem; opacity: 0.9; margin-top: 0.2rem; line-height: 1.2; padding-top: 0.2rem; border-top: 1px solid rgba(255,255,255,0.4); width: 70%; }

/* ペイントスプラッシュ装飾 */
.splash {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}
.splash--1 { top: 8%; right: 30%; width: 60px; opacity: 0.85; transform: rotate(15deg); }
.splash--2 { top: 35%; right: 8%; width: 80px; opacity: 0.75; transform: rotate(-20deg); }
.splash--3 { bottom: 12%; left: 38%; width: 50px; opacity: 0.8; transform: rotate(45deg); }
.splash--4 { top: 50%; left: 2%; width: 70px; opacity: 0.7; transform: rotate(-15deg); }

/* ハーフトーンドット装飾 */
.dots {
  position: absolute;
  width: 80px; height: 80px;
  background-image: radial-gradient(circle, var(--c-red) 1.5px, transparent 1.5px);
  background-size: 9px 9px;
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}
.dots--1 { top: 15%; right: 40%; transform: rotate(20deg); }
.dots--2 { bottom: 18%; right: 22%; transform: rotate(-15deg); }

/* ============================================================
   開催概要バー（ヒーロー下）
   ============================================================ */
.overview-bar {
  background: var(--c-bg);
  padding: 0 0 clamp(2.5rem, 5vw, 4rem);
}
.overview-bar__inner {
  display: grid;
  grid-template-columns: minmax(280px, 1.1fr) auto auto auto;
  gap: 1.25rem;
  align-items: stretch;
}

.overview-bar__highlight {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: linear-gradient(135deg, #FFF1E0 0%, #FFE4C4 100%);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.25rem;
  position: relative;
  overflow: hidden;
}
.overview-bar__highlight::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--c-orange), var(--c-red));
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}
.overview-bar__highlight-icon {
  width: 44px; height: 44px;
  background: #fff;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-orange);
  flex-shrink: 0;
}
.overview-bar__highlight-icon svg { width: 24px; height: 24px; }
.overview-bar__highlight-text { flex: 1; min-width: 0; }
.overview-bar__highlight-title { font-size: 0.98rem; font-weight: 900; color: var(--c-text); line-height: 1.3; }
.overview-bar__highlight-sub   { font-size: 0.72rem; color: var(--c-text-soft); margin-top: 0.2rem; }
.overview-bar__highlight-arrow {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--c-orange), var(--c-red));
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform var(--t-fast);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
}
.overview-bar__highlight:hover .overview-bar__highlight-arrow { transform: translateX(4px); }
.overview-bar__highlight-arrow svg { width: 16px; height: 16px; }

.overview-info {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 1.1rem 1.25rem;
  min-width: 0;
}
.overview-info__icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  background: var(--c-red-soft);
  color: var(--c-red);
}
.overview-info__icon svg { width: 18px; height: 18px; }
.overview-info__label { font-size: 0.7rem; color: var(--c-muted); font-weight: 600; }
.overview-info__value { font-size: 0.85rem; font-weight: 700; color: var(--c-text); line-height: 1.5; margin-top: 0.15rem; font-variant-numeric: tabular-nums; }

.overview-info--apply {
  align-items: center;
  background: transparent;
}
.overview-info--apply .overview-info__value { font-size: 0.78rem; }

.overview-info__apply-btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  background: var(--c-red);
  color: #fff;
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 800;
  margin-top: 0.4rem;
  transition: background var(--t-fast), transform var(--t-fast);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
}
.overview-info__apply-btn:hover { background: var(--c-red-dark); transform: translateY(-1px); }
.overview-info__apply-btn svg { width: 12px; height: 12px; }

/* ============================================================
   セクション共通
   ============================================================ */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--c-text);
  margin-bottom: 1.5rem;
}
.section-label__icon {
  width: 28px; height: 28px;
  color: var(--c-red);
}
.section-label__sub { font-size: 0.85rem; color: var(--c-muted); font-weight: 700; margin-left: 0.25rem; }

.section-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap;
}
.section-row .section-label { margin-bottom: 0; }

.link-more {
  display: inline-flex; align-items: center; gap: 0.3rem;
  background: var(--c-red-soft);
  color: var(--c-red);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  transition: background var(--t-fast), color var(--t-fast);
}
.link-more:hover { background: var(--c-red); color: #fff; }

/* セクションヘッダー（中央寄せ大見出し） */
.section-heading { text-align: center; margin-bottom: 3rem; position: relative; }
.section-heading__pre {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.2em;
  color: var(--c-red); margin-bottom: 0.6rem;
  text-transform: uppercase;
}
.section-heading__pre::before, .section-heading__pre::after {
  content: ''; width: 18px; height: 2px; background: var(--c-red); border-radius: 1px;
}
.section-heading__title {
  font-size: clamp(1.5rem, 3.5vw, 2.3rem);
  font-weight: 900;
  color: var(--c-text);
}
.section-heading__title strong { color: var(--c-red); font-weight: 900; }
.section-heading__desc {
  margin-top: 0.85rem;
  font-size: 0.9rem;
  color: var(--c-text-soft);
}

/* ============================================================
   活動記録カードカルーセル
   ============================================================ */
.activity { background: var(--c-bg); }
.carousel { position: relative; }
.carousel__track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0.25rem 0 1rem;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__btn {
  position: absolute;
  top: 38%;
  transform: translateY(-50%);
  width: 46px; height: 46px;
  background: var(--c-white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 2;
  color: var(--c-red);
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.carousel__btn:hover { background: var(--c-red); color: #fff; transform: translateY(-50%) scale(1.08); }
.carousel__btn svg { width: 20px; height: 20px; }
.carousel__btn--prev { left: -16px; }
.carousel__btn--next { right: -16px; }

.activity-card {
  flex-shrink: 0;
  width: clamp(220px, 24vw, 280px);
  background: var(--c-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  scroll-snap-align: start;
  box-shadow: var(--shadow-sm);
  transition: transform var(--t-med), box-shadow var(--t-med);
}
.activity-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.activity-card__media {
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: var(--c-bg-warm);
}
.activity-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.activity-card:hover .activity-card__media img { transform: scale(1.06); }
.activity-card__media-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #FFE0C4 0%, #FFC0A8 100%);
}
.activity-card__body { padding: 0.95rem 1.05rem 1.15rem; }
.activity-card__meta {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.72rem; margin-bottom: 0.45rem;
}
.activity-card__date { color: var(--c-muted); font-weight: 600; font-variant-numeric: tabular-nums; }
.activity-card__tag {
  background: var(--c-yellow-soft);
  color: var(--c-gold);
  padding: 0.1rem 0.55rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.68rem;
}
.activity-card__title {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--c-text);
  line-height: 1.45;
}

/* Note RSS 連携：カード全体をリンクにする */
a.activity-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
a.activity-card:hover { outline: none; }

/* スケルトンローディング */
.activity-card--skeleton { pointer-events: none; }
.sk-block,
.sk-line {
  background: linear-gradient(90deg, #f0ede8 25%, #e4e0da 50%, #f0ede8 75%);
  background-size: 200% 100%;
  animation: sk-shimmer 1.4s infinite;
  border-radius: 4px;
}
.sk-block { width: 100%; height: 100%; border-radius: 0; }
.activity-card__body .sk-line { height: 0.75rem; margin-bottom: 0.55rem; width: 100%; }
.activity-card__body .sk-line--short { width: 38%; }
.activity-card__body .sk-line--med   { width: 72%; }
@keyframes sk-shimmer {
  0%   { background-position:  200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   TOHOKU IGNITEとは セクション
   ============================================================ */
.about { background: var(--c-bg-warm); position: relative; overflow: hidden; }
.about::before {
  content: '';
  position: absolute;
  top: -50px; left: -50px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.2), transparent 70%);
  border-radius: 50%;
  z-index: 0;
}
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: center;
  position: relative; z-index: 1;
}
.about__text {
  font-size: 0.95rem;
  line-height: 1.95;
  color: var(--c-text);
  margin: 0.5rem 0 1.5rem;
}
.about__visual {
  position: relative;
  aspect-ratio: 16 / 11;
}
.about__visual-bg {
  position: absolute; inset: 0;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, #FFE6CC 0%, #FFD0B5 100%);
  overflow: hidden;
}
.about__visual-bg img { width: 100%; height: 100%; object-fit: cover; }
.about__visual-script {
  position: absolute;
  top: 18%; right: 8%;
  font-family: var(--ff-script);
  font-size: clamp(2rem, 5.5vw, 4rem);
  font-weight: 700;
  color: #fff;
  line-height: 1;
  z-index: 2;
  transform: rotate(-5deg);
  text-shadow:
    0 0 0 transparent,
    -2px -2px 0 var(--c-red),
     2px -2px 0 var(--c-red),
    -2px  2px 0 var(--c-red),
     2px  2px 0 var(--c-red),
    0 4px 16px rgba(0,0,0,0.55);
}
.about__visual-script-2 {
  font-size: 0.6em;
  display: block;
  margin-top: 0.2em;
  margin-left: 0.5em;
}

/* ============================================================
   ボタン
   ============================================================ */
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: #fff;
  color: var(--c-red);
  border: 2px solid var(--c-red);
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 800;
  font-size: 0.88rem;
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.btn-outline:hover { background: var(--c-red); color: #fff; transform: translateY(-2px); }
.btn-outline svg { width: 16px; height: 16px; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--c-red) 0%, var(--c-red-dark) 100%);
  color: #fff;
  padding: 1rem 2.2rem;
  border-radius: var(--radius-pill);
  font-weight: 800;
  font-size: 1rem;
  box-shadow: var(--shadow-cta);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  pointer-events: none;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(220, 38, 38, 0.45); }
.btn-primary svg { width: 18px; height: 18px; position: relative; z-index: 1; }
.btn-primary__text { position: relative; z-index: 1; }

/* ============================================================
   お知らせ + 関連リンク
   ============================================================ */
.news-links__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

/* お知らせリスト */
.news-list { display: flex; flex-direction: column; }
.news-list__item { border-bottom: 1px solid var(--c-line); }
.news-list__item:first-child { border-top: 1px solid var(--c-line); }
.news-list__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 0.25rem;
  flex-wrap: wrap;
  transition: color var(--t-fast);
}
.news-list__link:hover { color: var(--c-red); }
.news-list__date { font-size: 0.78rem; color: var(--c-muted); font-weight: 600; flex-shrink: 0; font-variant-numeric: tabular-nums; }
.news-list__title { font-size: 0.88rem; font-weight: 600; flex: 1; min-width: 0; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}
.badge--red    { background: var(--c-red-soft); color: var(--c-red); }
.badge--orange { background: var(--c-orange-soft); color: var(--c-orange); }
.badge--yellow { background: var(--c-yellow-soft); color: var(--c-gold); }
.badge--blue   { background: #DBEAFE; color: #1D4ED8; }
.badge--green  { background: #D1FAE5; color: #047857; }

/* 関連リンクグリッド */
.links-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: 1fr;
  gap: 0.85rem;
}
.link-card {
  display: grid;
  grid-template-columns: 1fr 80px;
  align-items: stretch;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
}
.link-card:hover { border-color: var(--c-red); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.link-card__body { padding: 0.85rem 1rem; display: flex; flex-direction: column; gap: 0.35rem; }
.link-card__title {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.82rem; font-weight: 800;
  white-space: nowrap;
}
.link-card__title svg { width: 18px; height: 18px; color: var(--c-red); flex-shrink: 0; }
.link-card__more { font-size: 0.72rem; color: var(--c-red); font-weight: 700; }
.link-card__media {
  background: linear-gradient(135deg, #FFE0C4, #FFC0A8);
  overflow: hidden;
}
.link-card__media img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================================
   ページヒーロー（2027 TOPなど）
   ============================================================ */
.page-hero {
  position: relative;
  padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(2rem, 4vw, 3rem);
  background:
    radial-gradient(circle at 80% 30%, rgba(251, 191, 36, 0.10), transparent 50%),
    var(--c-bg);
  overflow: hidden;
}
.page-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 2.5rem;
  align-items: center;
}
.page-hero__category {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--c-red);
  margin-bottom: 1rem;
}
.page-hero__title {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.page-hero__title-accent { color: var(--c-red); }
.page-hero__desc {
  font-size: 0.92rem;
  color: var(--c-text-soft);
  line-height: 1.9;
  max-width: 480px;
}

.page-hero__visual {
  position: relative;
  aspect-ratio: 1.1 / 1;
}

/* ============================================================
   タブナビゲーション（年度ページ）
   ============================================================ */
.tab-nav {
  background: var(--c-bg);
  padding: 0.5rem 0 2rem;
}
.tab-nav__inner { container-type: inline-size; }
.tab-nav__list {
  display: flex;
  gap: 0.85rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 0.25rem;
}
.tab-nav__list::-webkit-scrollbar { display: none; }
.tab-nav__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  background: #fff;
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--c-text);
  white-space: nowrap;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
  flex-shrink: 0;
  min-width: 140px;
}
.tab-nav__link:hover { border-color: var(--c-red); color: var(--c-red); transform: translateY(-2px); }
.tab-nav__link.is-active {
  background: var(--c-red);
  border-color: var(--c-red);
  color: #fff;
  box-shadow: 0 6px 16px rgba(220, 38, 38, 0.3);
}

/* ============================================================
   パンくず
   ============================================================ */
.breadcrumb {
  padding: 1rem 0 0.5rem;
  font-size: 0.82rem;
  color: var(--c-muted);
}
.breadcrumb__list { display: flex; align-items: center; flex-wrap: wrap; gap: 0; }
.breadcrumb__item { display: inline-flex; align-items: center; }
.breadcrumb__item + .breadcrumb__item::before {
  content: '>'; margin: 0 0.5rem; color: var(--c-muted);
}
.breadcrumb__item a:hover { color: var(--c-red); }
.breadcrumb__item[aria-current="page"] { color: var(--c-text); font-weight: 600; }

/* ============================================================
   4つのプログラム（年度TOP）
   ============================================================ */
.programs-overview {
  background: var(--c-bg);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}
.programs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.program-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem 1.4rem;
  text-align: center;
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
}
.program-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(220, 38, 38, 0.3);
}
.program-card__icon {
  width: 64px; height: 64px;
  margin: 0 auto 0.85rem;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-red);
}
.program-card__icon svg { width: 48px; height: 48px; }
.program-card__name {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--c-text);
  margin-bottom: 0.85rem;
}
.program-card__media {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 0.85rem;
  background: var(--c-bg-warm);
}
.program-card__media-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #FFD8B5 0%, #FFB59E 100%);
}
.program-card__media img { width: 100%; height: 100%; object-fit: cover; }
.program-card__desc { font-size: 0.82rem; color: var(--c-text-soft); line-height: 1.65; text-align: left; }
.program-card__note {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-orange);
  margin-top: 0.9rem;
  background: var(--c-orange-soft);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
}
.program-card__note svg { width: 13px; height: 13px; }

/* ============================================================
   参加する人たち + 得られること（年度TOP）
   ============================================================ */
.participants {
  background: var(--c-bg);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}
.participants__inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 1.5rem;
}
.persons-box {
  background: linear-gradient(135deg, #FFF7E0 0%, #FFEFC4 100%);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}
.benefits-box {
  background: var(--c-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--c-line);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}
.persons-box__title, .benefits-box__title {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 1.15rem; font-weight: 900;
  margin-bottom: 1.5rem;
}
.persons-box__title svg, .benefits-box__title svg {
  width: 22px; height: 22px; color: var(--c-orange);
}
.persons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}
.person-item { text-align: center; }
.person-item__avatar {
  width: 56px; height: 56px; margin: 0 auto 0.5rem;
  border-radius: 50%; overflow: hidden;
  background: linear-gradient(135deg, #FFE0CC, #FFB8A0);
}
.person-item__avatar svg { width: 100%; height: 100%; }
.person-item__label { font-size: 0.78rem; font-weight: 800; line-height: 1.3; color: var(--c-text); }
.person-item__desc  { font-size: 0.68rem; color: var(--c-text-soft); margin-top: 0.2rem; line-height: 1.45; }

.benefits-list { display: flex; flex-direction: column; gap: 1.1rem; }
.benefit-item { display: flex; gap: 0.85rem; align-items: flex-start; }
.benefit-item__icon {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-red);
  flex-shrink: 0;
}
.benefit-item__icon svg { width: 26px; height: 26px; }
.benefit-item__text { font-size: 0.9rem; color: var(--c-text); line-height: 1.7; }

/* ============================================================
   開催概要インフォボックス（年度TOP）
   ============================================================ */
.event-info { background: var(--c-bg); padding-top: 0; padding-bottom: clamp(2rem, 5vw, 4rem); }
.event-info__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.info-box {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.25rem;
}
.info-box__icon {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  background: var(--c-red-soft);
  color: var(--c-red);
}
.info-box__icon svg { width: 18px; height: 18px; }
.info-box__label { font-size: 0.72rem; color: var(--c-muted); font-weight: 600; }
.info-box__value { font-size: 0.88rem; font-weight: 700; line-height: 1.5; margin-top: 0.1rem; font-variant-numeric: tabular-nums; }
.info-box__thumb {
  width: 70px; height: 50px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: linear-gradient(135deg, #FFE0CC, #FFB8A0);
  margin-left: auto;
  flex-shrink: 0;
}

/* ============================================================
   プログラム詳細リスト（企画内容）
   ============================================================ */
.programs-detail { background: var(--c-bg); padding-bottom: clamp(2rem, 4vw, 3rem); }
.program-detail-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.program-detail {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: center;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.program-detail:hover { border-color: rgba(220, 38, 38, 0.3); box-shadow: var(--shadow-sm); }
.program-detail__head {
  display: flex; align-items: center; gap: 0.85rem;
  margin-bottom: 0.6rem;
}
.program-detail__icon {
  width: 44px; height: 44px;
  background: var(--c-red-soft);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-red);
  flex-shrink: 0;
}
.program-detail__icon svg { width: 24px; height: 24px; }
.program-detail__name { font-size: 1.15rem; font-weight: 900; }
.program-detail__desc { font-size: 0.88rem; color: var(--c-text-soft); line-height: 1.7; }
.program-detail__note {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-size: 0.78rem; font-weight: 700;
  color: var(--c-orange);
  margin-top: 0.7rem;
  background: var(--c-orange-soft);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
}
.program-detail__note svg { width: 13px; height: 13px; }
.program-detail__media {
  width: 180px; height: 130px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(135deg, #FFE0CC, #FFB8A0);
  flex-shrink: 0;
}
.program-detail__media img { width: 100%; height: 100%; object-fit: cover; }

.notice-banner {
  display: flex; align-items: center; gap: 0.75rem;
  background: var(--c-yellow-soft);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  margin-top: 2rem;
  font-size: 0.88rem;
  color: var(--c-gold);
  font-weight: 700;
}
.notice-banner svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ============================================================
   タイムテーブル
   ============================================================ */
.timetable { background: var(--c-bg); padding-bottom: clamp(3rem, 5vw, 4rem); }
.timetable__title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  margin-bottom: 0.5rem;
}
.timetable__subtitle {
  text-align: center;
  font-size: 0.82rem;
  color: var(--c-muted);
  margin-bottom: 2.5rem;
}
.timetable__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  max-width: 920px;
  margin-inline: auto;
}
.day-col { position: relative; }
.day-col__header {
  display: flex; align-items: center; gap: 0.85rem;
  margin-bottom: 1.25rem;
}
.day-col__badge {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem; font-weight: 900;
  color: #fff;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}
.day-col__badge--1 { background: linear-gradient(135deg, var(--c-red), var(--c-red-dark)); }
.day-col__badge--2 { background: linear-gradient(135deg, var(--c-orange), var(--c-gold)); }
.day-col__date {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}
.day-col__date-sub { font-size: 0.85rem; color: var(--c-muted); font-weight: 600; margin-left: 0.25rem; }

.timetable-list { background: var(--c-bg-cream); border-radius: var(--radius-lg); padding: 1rem 0; }
.timetable-list__item {
  display: grid;
  grid-template-columns: 70px 1fr;
  align-items: center;
  padding: 0.65rem 1.5rem;
  gap: 1rem;
}
.timetable-list__item + .timetable-list__item { border-top: 1px dashed rgba(0,0,0,0.08); }
.timetable-list__time {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--c-red);
  font-variant-numeric: tabular-nums;
}
.timetable-list__content {
  font-size: 0.9rem;
  font-weight: 700;
}
.timetable-list__note { font-size: 0.72rem; color: var(--c-muted); font-weight: 600; margin-left: 0.5rem; }

.day-col__illust {
  position: absolute;
  right: -10px; bottom: 10%;
  width: 80px;
  opacity: 0.6;
}

/* 特別企画イベント */
.special-events {
  background: var(--c-bg-warm);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: 3rem;
}
.special-events__title {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
}
.special-events__title-sub { font-size: 0.78rem; color: var(--c-muted); font-weight: 600; }
.special-events__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.special-event-card {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
}
.special-event-card__icon { font-size: 2rem; margin-bottom: 0.5rem; }
.special-event-card__title {
  display: flex; align-items: center; justify-content: center; gap: 0.4rem;
  font-size: 0.92rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
  color: var(--c-text);
}
.special-event-card__title svg { width: 16px; height: 16px; color: var(--c-orange); }
.special-event-card__desc { font-size: 0.78rem; color: var(--c-text-soft); line-height: 1.6; }

/* ============================================================
   FAQ
   ============================================================ */
.faq { background: var(--c-bg); padding-bottom: clamp(2rem, 5vw, 4rem); }
.faq__list { max-width: 820px; margin-inline: auto; display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.faq-item.is-open { border-color: rgba(220, 38, 38, 0.3); box-shadow: var(--shadow-sm); }
.faq-item:first-of-type.is-open { background: linear-gradient(180deg, #FFF8F5 0%, #fff 100%); }

.faq-item__q {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.1rem 1.5rem;
  text-align: left;
  transition: background var(--t-fast);
}
.faq-item__q:hover { background: var(--c-bg-warm); }
.faq-item__q-icon {
  width: 32px; height: 32px;
  background: var(--c-red);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  font-weight: 900;
  flex-shrink: 0;
  font-family: var(--ff-display);
}
.faq-item__q-text { font-size: 0.95rem; font-weight: 800; color: var(--c-text); line-height: 1.5; }
.faq-item__chevron {
  width: 24px; height: 24px;
  color: var(--c-red);
  transition: transform var(--t-med);
}
.faq-item.is-open .faq-item__chevron { transform: rotate(180deg); }
.faq-item__chevron svg { width: 100%; height: 100%; }

.faq-item__a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 0 1.5rem 1.25rem 1.5rem;
  align-items: flex-start;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-med), padding var(--t-med);
}
.faq-item.is-open .faq-item__a { max-height: 600px; padding-top: 0; }
.faq-item__a-icon {
  width: 32px; height: 32px;
  background: var(--c-red-soft);
  color: var(--c-red);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  font-weight: 900;
  flex-shrink: 0;
  font-family: var(--ff-display);
}
.faq-item__a-text { font-size: 0.9rem; color: var(--c-text-soft); line-height: 1.8; padding-top: 0.3rem; }

/* ============================================================
   CTAバナー（フッター上）
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, #FFEFD8 0%, #FFDFB8 50%, #FFD0C2 100%);
  padding: clamp(2.25rem, 5vw, 3.5rem) 0;
  position: relative;
  overflow: hidden;
}
.cta-banner__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.cta-banner__illust-left, .cta-banner__illust-right {
  flex-shrink: 0;
  width: clamp(60px, 8vw, 110px);
}
.cta-banner__illust-left  { transform: scaleX(-1); }
.cta-banner__center { text-align: center; }
.cta-banner__catchcopy {
  font-size: clamp(1.05rem, 2.5vw, 1.45rem);
  font-weight: 900;
  margin-bottom: 1rem;
  color: var(--c-text);
}
.cta-banner__catchcopy strong { color: var(--c-red); }

/* ============================================================
   フッター
   ============================================================ */
.footer {
  background: var(--c-bg);
  padding: clamp(2rem, 4vw, 3rem) 0 1.5rem;
  border-top: 1px solid var(--c-line);
}
.footer__sponsors {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--c-line);
}
.footer__sponsors-label {
  font-size: 0.72rem;
  color: var(--c-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.sponsor-list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  flex-wrap: wrap;
}
.sponsor-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}
.sponsor-item__logo {
  font-size: 0.85rem;
  font-weight: 900;
  color: var(--c-text);
}
.sponsor-item__logo-sub {
  font-size: 0.65rem;
  color: var(--c-muted);
  font-weight: 600;
  text-align: center;
  line-height: 1.3;
  max-width: 130px;
}
.footer__more {
  font-size: 0.78rem;
  color: var(--c-text);
  font-weight: 700;
  transition: color var(--t-fast);
}
.footer__more:hover { color: var(--c-red); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
}
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}
.footer__nav-link {
  padding: 0.4rem 0.85rem;
  font-size: 0.78rem;
  color: var(--c-text-soft);
  font-weight: 600;
  transition: color var(--t-fast);
}
.footer__nav-link:hover { color: var(--c-red); }
.footer__copy { font-size: 0.7rem; color: var(--c-muted); }

/* ============================================================
   汎用カード（活動記録一覧、お知らせ一覧）
   ============================================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}
.empty-message { text-align: center; padding: 4rem 0; color: var(--c-muted); }

.simple-content { max-width: 800px; margin-inline: auto; padding-block: 2rem; }
.simple-content > * + * { margin-top: 1.25em; }
.simple-content h2 { font-size: 1.4rem; font-weight: 900; padding-bottom: 0.4em; border-bottom: 2px solid var(--c-red); margin-top: 2em; }
.simple-content h3 { font-size: 1.1rem; font-weight: 800; margin-top: 1.5em; }
.simple-content p, .simple-content ul { line-height: 1.9; color: var(--c-text-soft); }
.simple-content ul { padding-left: 1.5rem; }
.simple-content ul li { list-style: disc; }

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width: 1024px) {
  :root { --header-h: 72px; }
  .nav { display: none; }
  .hamburger { display: flex; }
  .btn-cta-header__sub { display: none; }
  .btn-cta-header { padding: 0.55rem 0.95rem; }

  .hero__inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero__visual { aspect-ratio: 1.4 / 1; max-width: 100%; }
  .hero__badge { width: 90px; height: 90px; top: 5%; right: 2%; }

  /* 動画ヒーローのモバイル調整 */
  .hero--video { min-height: 520px; padding: 3rem 0 2.5rem; }
  .hero__badge--floating { top: 5%; right: 5%; width: 90px; height: 90px; }
  .splash--global-2, .splash--global-3 { display: none; }

  .about__inner { grid-template-columns: 1fr; gap: 1.5rem; }

  .news-links__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .links-grid { grid-template-columns: 1fr 1fr; }

  .overview-bar__inner { grid-template-columns: 1fr; gap: 0.75rem; }

  .programs-grid { grid-template-columns: repeat(2, 1fr); }
  .participants__inner { grid-template-columns: 1fr; }
  .event-info__inner { grid-template-columns: 1fr; }

  .timetable__grid { grid-template-columns: 1fr; gap: 2rem; }
  .special-events__grid { grid-template-columns: 1fr; }

  .program-detail { grid-template-columns: 1fr; }
  .program-detail__media { width: 100%; height: 180px; }

  .page-hero__inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .page-hero__visual { aspect-ratio: 1.6 / 1; }
}

@media (max-width: 640px) {
  .hero__title { font-size: clamp(3rem, 14vw, 5rem); }

  .footer__sponsors { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .footer__nav { gap: 0; }

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

  .tab-nav__link { padding: 0.75rem 1.5rem; min-width: 120px; font-size: 0.85rem; }

  .cta-banner__illust-left, .cta-banner__illust-right { width: 60px; }
}

/* ============================================================
   アニメーション
   ============================================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   コンセプト（込めた想い）— ワンページ改定
   ============================================================ */
.concept {
  background: var(--c-bg);
  text-align: center;
  padding-block: clamp(4.5rem, 10vw, 8rem);
  position: relative;
  overflow: hidden;
}
.concept::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.14), transparent 70%);
  border-radius: 50%;
}
.concept__inner { max-width: 1140px; position: relative; }

/* 2カラム：左テキスト・右PV動画 */
.concept__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  text-align: left;
  margin-bottom: clamp(1.75rem, 3.5vw, 2.5rem);
}

.concept__lead {
  font-size: clamp(1.25rem, 2.6vw, 1.8rem);
  font-weight: 900;
  line-height: 2;
  letter-spacing: 0.04em;
  margin-bottom: clamp(1.75rem, 3.5vw, 2.5rem);
}
.concept__accent {
  color: var(--c-red);
  position: relative;
}

.concept__body p {
  font-size: clamp(0.95rem, 1.6vw, 1.08rem);
  font-weight: 500;
  line-height: 2.3;
  letter-spacing: 0.05em;
  color: var(--c-text-soft);
  margin-bottom: clamp(1.5rem, 3vw, 2rem);
}
.concept__body p:last-child { margin-bottom: 0; }

/* PV動画（右カラム） */
.concept__video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: #0A0A0A;
}
.concept__video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.concept__video-caption {
  margin-top: 0.85rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--c-muted);
  text-align: center;
  letter-spacing: 0.05em;
}

/* モバイル：縦積み（動画を文章の下に） */
@media (max-width: 900px) {
  .concept__grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
    text-align: center;
  }
}

.concept__flame {
  width: clamp(34px, 4.5vw, 44px);
  margin: 0 auto clamp(1.25rem, 2.5vw, 1.75rem);
  filter: drop-shadow(0 4px 12px rgba(220, 38, 38, 0.25));
}

.concept__closing {
  font-size: clamp(1.15rem, 2.6vw, 1.6rem);
  font-weight: 900;
  line-height: 2.1;
  letter-spacing: 0.04em;
}

/* ============================================================
   次回開催（NEXT EVENT）— ワンページ改定
   ============================================================ */
.next-event {
  background:
    radial-gradient(circle at 20% 30%, rgba(251, 191, 36, 0.18), transparent 55%),
    radial-gradient(circle at 85% 75%, rgba(249, 115, 22, 0.25), transparent 55%),
    linear-gradient(135deg, #991B1B 0%, #B91C1C 45%, #DC2626 100%);
  color: #fff;
  text-align: center;
  padding-block: clamp(4rem, 9vw, 7rem);
  position: relative;
  overflow: hidden;
}

.next-event__label {
  font-family: var(--ff-display);
  font-size: clamp(0.9rem, 1.6vw, 1.05rem);
  letter-spacing: 0.35em;
  color: var(--c-yellow);
  margin-bottom: 0.75rem;
}

.next-event__title {
  font-family: var(--ff-display);
  font-size: clamp(2.2rem, 6vw, 4rem);
  letter-spacing: 0.03em;
  line-height: 1.1;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.next-event__dates {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: clamp(1rem, 3vw, 2.5rem);
  flex-wrap: wrap;
  margin-bottom: clamp(2rem, 4.5vw, 3rem);
}

.next-event__date {
  min-width: clamp(150px, 20vw, 210px);
  padding: clamp(1.25rem, 2.5vw, 2rem) clamp(1.5rem, 3vw, 2.5rem);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(4px);
}
.next-event__date--pre {
  background: rgba(0, 0, 0, 0.12);
  border-style: dashed;
}

.next-event__date-tag {
  font-size: clamp(0.8rem, 1.4vw, 0.95rem);
  font-weight: 900;
  letter-spacing: 0.2em;
  color: var(--c-yellow);
  margin-bottom: 0.35rem;
}
.next-event__date-num {
  font-family: var(--ff-display);
  font-size: clamp(2.6rem, 6.5vw, 4.2rem);
  line-height: 1;
  letter-spacing: 0.02em;
}
.next-event__date-day {
  font-family: var(--ff-display);
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  letter-spacing: 0.3em;
  opacity: 0.85;
  margin-top: 0.4rem;
}

.next-event__note {
  font-size: clamp(0.85rem, 1.5vw, 0.95rem);
  font-weight: 500;
  opacity: 0.85;
  letter-spacing: 0.04em;
}