* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg-deep);
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}
a { color: var(--color-ember-soft); }

/* ===== ヒーロー（全画面） ===== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
  padding: 6vh 20px;
}

/* 背景動画（無い場合は下の .hero-fallback が見える） */
.hero-video, .hero-fallback {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-fallback { z-index: 0; }      /* 動画が無い/読込前の下地 */
.hero-video    { z-index: 1; }      /* 動画は下地の上に重ねる */
/* 動画が来るまで／来ない環境用の“ゆらぐ炎”フォールバック */
.hero-fallback {
  background:
    radial-gradient(120% 90% at 50% 115%, #c2410c 0%, #7c2d12 30%, #1a0f08 62%, var(--color-bg-deep) 100%);
  animation: ember 8s ease-in-out infinite alternate;
}
@keyframes ember {
  from { filter: brightness(0.9) saturate(1); }
  to   { filter: brightness(1.15) saturate(1.15); }
}

/* 背景を馴染ませるオーバーレイ（周辺を落とし、中央に温かい灯り） */
.hero-overlay {
  position: absolute; inset: 0; z-index: 2;
  background:
    radial-gradient(90% 70% at 50% 42%, rgba(0,0,0,0) 0%, rgba(0,0,0,0.35) 70%, rgba(0,0,0,0.72) 100%),
    linear-gradient(180deg, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0) 25%, rgba(0,0,0,0) 60%, rgba(5,4,3,0.85) 100%);
}

.hero-inner { position: relative; z-index: 3; width: 100%; max-width: 720px; }

/* ===== 書（ロゴ）を中央に大きく ===== */
.brand {
  position: relative;
  display: inline-block;
  margin: 0 auto 3vh;
  width: min(86vw, 520px);
  aspect-ratio: 1 / 1;
}
/* 書の白地を炎に溶かすための和紙の灯り */
.brand::before {
  content: "";
  position: absolute; inset: -14%;
  background: radial-gradient(circle at 50% 47%,
    var(--color-glow) 0%, rgba(246,234,210,0.72) 34%,
    rgba(246,234,210,0.25) 55%, rgba(246,234,210,0) 72%);
  z-index: 0;
  filter: blur(2px);
}
.brand img {
  position: relative; z-index: 1;
  width: 100%; height: 100%;
  object-fit: contain;
  /* 白地を消して墨だけを残す（背後の灯り・炎に馴染む） */
  mix-blend-mode: multiply;
}

.tagline {
  margin: 0 0 5vh;
  font-size: clamp(0.9rem, 3.4vw, 1.15rem);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
}

/* ===== ボタン（正方形タイルを左右に2つ） ===== */
.actions {
  display: flex; flex-direction: row; gap: 16px;
  width: 100%; max-width: 520px; margin: 0 auto;
}
.btn {
  flex: 1 1 0; min-width: 0;
  aspect-ratio: 1 / 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 6px; padding: 16px;
  border-radius: 16px;
  font-size: clamp(0.9rem, 3.4vw, 1.05rem);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  line-height: 1.4;
}
.btn-primary {
  background: rgba(18, 11, 7, 0.58);
  color: var(--color-text);
  border: 2px solid var(--color-ember);
  box-shadow: 0 8px 30px rgba(232, 98, 42, 0.30);
  -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(232,98,42,.45); }
.btn-secondary {
  background: rgba(18, 11, 7, 0.48);
  color: var(--color-text);
  border: 1px solid var(--btn-secondary-border);
  -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px);
}
.btn-secondary:hover { transform: translateY(-2px); border-color: var(--color-ember-soft); }
.btn small { display: block; font-weight: 400; font-size: 0.78em; color: var(--color-text-muted); margin-top: 3px; }
.btn-primary .btn-lead { color: var(--color-ember-soft); }

/* ===== フッター ===== */
.site-footer {
  position: relative; z-index: 3;
  padding: 22px 20px 30px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.site-footer a { color: var(--color-text-muted); }
.site-footer a:hover { color: var(--color-ember-soft); }
.site-footer .sep { margin: 0 8px; opacity: 0.5; }

/* ===== 下層ページ（プライバシー等） ===== */
.page {
  max-width: 760px; margin: 0 auto; padding: 48px 22px 80px;
  background: var(--color-bg); min-height: 100svh;
}
.page h1 { font-size: 1.5rem; margin: 0 0 6px; }
.page h2 { font-size: 1.1rem; margin: 30px 0 8px; color: var(--color-ember-soft); }
.page p, .page li { color: var(--color-text-muted); }
.page .back { display: inline-block; margin-top: 32px; color: var(--color-ember-soft); text-decoration: none; }
.page .updated { font-size: 0.82rem; color: var(--color-line); }

@media (prefers-reduced-motion: reduce) {
  .hero-fallback { animation: none; }
  .btn { transition: none; }
}

/* ============================================================
   TOP 改修（タグライン強調＋ボタンレイアウト）
   ============================================================ */
/* タグライン：大きく・白を強く・読みやすく */
.tagline {
  font-size: clamp(1.15rem, 5vw, 1.7rem);
  color: #ffffff;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.7;
  text-shadow: 0 2px 20px rgba(0,0,0,0.65), 0 0 2px rgba(0,0,0,0.5);
  margin: 0 0 4.5vh;
}

/* ボタン群：縦積み */
.actions {
  flex-direction: column;
  gap: 14px;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
}
.btn2 {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 2px;
  text-align: center; text-decoration: none;
  border-radius: 14px;
  padding: 18px 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn2:hover { transform: translateY(-2px); }
.btn2 small { display: block; font-weight: 400; font-size: 0.78em; color: var(--color-text-muted); margin-top: 3px; }
.btn2 .m { font-size: 1.02rem; }

/* 説明会：最重要・ワイド・炎色フィル */
.btn-event {
  background: var(--color-ember);
  color: #1a0f08;
  box-shadow: 0 10px 34px rgba(232, 98, 42, 0.45);
  padding: 20px 18px;
}
.btn-event .k { font-size: 0.85rem; font-weight: 600; color: #3a1c0c; letter-spacing: 0.02em; }
.btn-event .m { font-size: 1.12rem; }
.btn-event .m strong { font-size: 1.15em; }

/* 登録する｜について（2列） */
.btn-row { display: flex; flex-direction: row; gap: 14px; }
.btn-row .btn2 { flex: 1 1 0; min-width: 0; }
.btn-join {
  background: rgba(232, 98, 42, 0.18);
  border: 2px solid var(--color-ember);
  color: var(--color-text);
}
.btn-join:hover { background: rgba(232, 98, 42, 0.3); }
.btn-about {
  background: rgba(18, 11, 7, 0.5);
  border: 1px solid var(--btn-secondary-border);
  color: var(--color-text);
  -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px);
}

/* 数字で見る札幌市：別色（クールな青系で中立を示す） */
.btn-data {
  background: rgba(22, 34, 46, 0.62);
  border: 1px solid rgba(150, 190, 220, 0.55);
  color: #e3eef7;
  -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px);
}
.btn-data small { color: #a9c2d6; }

/* 公式サイト */
.btn-official {
  background: rgba(18, 11, 7, 0.42);
  border: 1px solid var(--btn-secondary-border);
  color: var(--color-text-muted);
  font-weight: 600;
  -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px);
}
.btn-official:hover { border-color: var(--color-ember-soft); color: var(--color-text); }

/* 登録｜車座：スクエアに近い大きめボタン */
.btn-row-square .btn2 { aspect-ratio: 1 / 0.92; font-size: 1.1rem; gap: 6px; }
.btn-row-square .btn2 small { font-weight: 400; font-size: 0.72em; color: var(--color-text-muted); margin-top: 4px; }
.btn-kuruma {
  background: rgba(232, 98, 42, 0.10);
  border: 1px solid var(--color-ember);
  color: var(--color-text);
}
.btn-kuruma:hover { background: rgba(232, 98, 42, 0.22); }

/* ============================================================
   TOP リニューアル：HERO型（上部だけ動画）＋白ベースのメニュー
   ============================================================ */
.hero {
  min-height: 0;
  height: clamp(340px, 54vh, 600px);
  padding: 5vh 20px 6vh;
}
.brand { width: min(58vw, 320px); margin: 0 auto 2.4vh; }
.tagline { margin: 0; }

/* 下部：白ベースのメニュー面 */
.menu {
  background: #fafaf9;
  padding: 40px 20px 44px;
}
.menu .actions { flex-direction: column; gap: 14px; width: 100%; max-width: 560px; margin: 0 auto; }

/* 白背景に合わせてボタン配色を上書き */
.menu .btn2 { color: #0c0a09; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; }
.menu .btn2 small { color: #8a837b; }
.menu .btn2:hover { transform: translateY(-2px); }

.menu .btn-event { background: #e8622a; color: #fff; border: 1px solid #d1541f; box-shadow: 0 8px 26px rgba(232,98,42,.28); }
.menu .btn-event .k { color: #ffe0cf; }
.menu .btn-event .m { color: #fff; }

.menu .btn-join { background: #fff; border: 2px solid #e8622a; color: #0c0a09; }
.menu .btn-join small { color: #b25327; }
.menu .btn-kuruma { background: #fff7f2; border: 1px solid #e8622a; color: #0c0a09; }

.menu .btn-about { background: #fff; border: 1px solid #e5e0da; color: #0c0a09; }
.menu .btn-data { background: #fff; border: 1px solid #d3dde5; color: #3a4a58; }
.menu .btn-data .m { color: #3a4a58; }
.menu .btn-data small { color: #94a3af; }
.menu .btn-data:hover { border-color: #96becc; color: #16222e; }
.menu .btn-official { background: #fff; border: 1px solid #e5e0da; color: #55504a; font-weight: 600; }
.menu .btn-official:hover { border-color: #e8622a; color: #0c0a09; }

.menu .site-footer { color: #8a837b; margin-top: 26px; padding: 0; }
.menu .site-footer a { color: #8a837b; }
.menu .site-footer a:hover { color: #e8622a; }
.menu .site-footer .sep { opacity: .5; }

/* ============================================================
   TOP：1画面2カラム（左=タイトル/コピー・右=ボタン一覧）
   ============================================================ */
.stage { display: flex; min-height: 100svh; }
.stage > .hero {
  flex: 1 1 50%;
  height: auto; min-height: 0;
  display: flex; align-items: center; justify-content: center;
}
.stage .brand { width: min(32vw, 300px); }
.stage > .menu {
  flex: 1 1 50%;
  display: flex; flex-direction: column; justify-content: center;
  overflow-y: auto;
  padding: 40px 32px;
}
.stage > .menu .actions { max-width: 460px; }

/* モバイルは縦積み（HEROを上、ボタンを下） */
@media (max-width: 860px) {
  .stage { flex-direction: column; min-height: 100svh; }
  .stage > .hero { flex: 0 0 auto; min-height: 34vh; padding: 4vh 20px; }
  .stage > .menu { flex: 1 1 auto; padding: 28px 20px 36px; }
  .stage .brand { width: min(52vw, 260px); }
}

/* TOP：お知らせボタン（白面） */
.menu .btn-news { background: #fff; border: 1px dashed #e8622a; color: #0c0a09; }
.menu .btn-news .k { color: #b25327; font-size: 0.85rem; font-weight: 600; }
.menu .btn-news .m { font-size: 1.02rem; }
.menu .btn-news:hover { background: #fff7f2; }

/* お知らせを主役・記者説明会は控えめに（上書き） */
.menu .btn-news {
  background: #e8622a; color: #fff; border: 1px solid #d1541f;
  box-shadow: 0 8px 26px rgba(232,98,42,.28);
}
.menu .btn-news .k { color: #ffe0cf; font-size: 0.85rem; font-weight: 600; }
.menu .btn-news .m { color: #fff; font-size: 1.08rem; }
.menu .btn-news:hover { background: #d1541f; }

.menu .btn-event {
  background: #fff; color: #55504a; border: 1px solid #e5e0da; box-shadow: none;
}
.menu .btn-event .m { color: #55504a; font-size: 1rem; }
.menu .btn-event small { color: #b25327; font-weight: 600; }
.menu .btn-event:hover { border-color: #d6d3d1; }

/* ============================================================
   TOP：おしらせ（独立枠）＋区/日付ステッカー
   ============================================================ */
.news-block { width: 100%; max-width: 560px; margin: 0 auto 18px; }
.news-label {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.12em;
  color: #b25327; background: #fff4ee; border: 1px solid #f0d6c8; border-radius: 6px;
  padding: 3px 10px; margin-bottom: 10px;
}
.news-item {
  display: block; text-decoration: none; color: #0c0a09;
  background: #fff; border: 1px solid #e5e0da; border-radius: 14px;
  padding: 16px 18px; box-shadow: 0 4px 16px rgba(0,0,0,.05);
  transition: border-color .15s, transform .15s;
}
.news-item:hover { border-color: #e8622a; transform: translateY(-1px); }
.news-item-title { font-size: 1.06rem; font-weight: 700; margin-top: 8px; }

/* ステッカー（色分けで区・日付を目立たせる） */
.stickers { display: flex; gap: 8px; flex-wrap: wrap; }
.sticker {
  display: inline-block; font-size: 14px; font-weight: 700; color: #fff;
  padding: 4px 12px; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,.18);
}
.sticker-date { background: #1c1917; }
.sticker-ward { background: #e8622a; }        /* 既定色 */
/* 区ごとの色（今後ここに追加していく） */
.ward-toyohira { background: #e8622a; }        /* 豊平区 */
.ward-higashi  { background: #2f8f8f; }        /* 東区 */
/* 例）.ward-chuo{background:#2f6f9f} .ward-kita{background:#3a8f6f} .ward-shiroishi{background:#8a5cc0} … */

/* カテゴリタグ（札幌市/焚き火会/後援会/支援者。今後ここに追加していく） */
.sticker-cat { background: #6b7280; }          /* 既定色 */
.cat-sapporo  { background: #2f6f9f; }          /* 札幌市 */
.cat-takibi   { background: #e8622a; }          /* 焚き火会 */
.cat-koenkai  { background: #7a1f2b; }          /* 後援会 */
.cat-shien    { background: #3a8f6f; }          /* 支援者 */

/* 受付終了のお知らせ項目（リンクなし・淡く） */
.news-item-closed { cursor: default; opacity: .82; background: #f7f6f5; }
.news-item-closed:hover { border-color: #e5e0da; transform: none; }

/* 終了したが個別ページは閲覧可（グレーアウト＋リンクは有効） */
.news-item-past { background: #f5f4f2; }
.news-item-past .news-item-title { color: #8a837b; }
.news-item-past .sticker { filter: grayscale(1); opacity: .7; }
.news-item-past:hover { border-color: #cdc8c1; transform: none; }
.news-ended { display: inline-block; margin-left: 4px; font-size: .78em; font-weight: 700; color: #a39c94; }

/* 個人献金ボタン（白面） */
.menu .btn-donate { background:#fff; border:1px solid #7a1f2b; color:#7a1f2b; }
.menu .btn-donate .m { color:#7a1f2b; }
.menu .btn-donate small { color:#a05663; }
.menu .btn-donate:hover { background:#fbf3f4; }

/* ゆたかを呼びたい（主催リクエスト）ボタン */
.menu .btn-host { background:#fff7f2; border:1px solid #e8622a; color:#0c0a09; }
.menu .btn-host .m { color:#0c0a09; }
.menu .btn-host small { color:#b25327; }
.menu .btn-host:hover { background:#ffeede; }

/* HERO：カード横並び（記者説明 ＋ DATA） */
.hero-cards {
  display: flex; gap: 12px; align-items: stretch;
  max-width: 720px; margin: 22px auto 0;
}
.hero-cards .yt-card { margin: 0; flex: 1 1 0; min-width: 0; }
.yt-card-data { align-items: center; }
.yt-badge-data { background: #2f6f9f; letter-spacing: .08em; }
@media (max-width: 560px) {
  .hero-cards { flex-direction: column; }
}

/* HERO：YouTube記者説明カード（左サムネ・右テキスト） */
.yt-card {
  display: flex; align-items: center; gap: 14px;
  max-width: 460px; margin: 22px auto 0;
  padding: 10px; text-decoration: none;
  background: rgba(0,0,0,0.42);
  border: 1px solid rgba(246,234,210,0.35);
  border-radius: 14px;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  transition: border-color .15s, transform .15s;
}
.yt-card:hover { border-color: var(--color-ember); transform: translateY(-2px); }
.yt-thumb { width: 96px; height: 96px; object-fit: cover; border-radius: 10px; flex: 0 0 auto; }
.yt-text { display: flex; flex-direction: column; gap: 4px; text-align: left; min-width: 0; }
.yt-badge { align-self: flex-start; font-size: 12px; font-weight: 700; color: #fff; background: #e8622a; border-radius: 6px; padding: 2px 8px; }
.yt-title { color: #fff; font-weight: 700; font-size: 0.98rem; line-height: 1.4; }
.yt-date { color: var(--color-text-muted); font-size: 0.82rem; }

/* おしらせ：シェイプ調整＋続きトグル */
.news-item { padding: 13px 16px; }
.news-item-title { font-size: 1rem; margin-top: 6px; }
.news-item + .news-item { margin-top: 10px; }
.news-hidden { display: none; }
.news-more {
  display: block; width: 100%; margin-top: 10px;
  padding: 10px; font-size: 14px; font-weight: 600;
  color: #b25327; background: #fff; border: 1px dashed #e8c3b0;
  border-radius: 10px; cursor: pointer; font-family: var(--font-base);
}
.news-more:hover { background: #fff7f2; }
/* ============================================================
   共通サイトメニュー（PC=上部バー / スマホ=下部固定「下駄」）
   ============================================================ */
.sitenav {
  position: sticky; top: 0; z-index: 50;
  display: flex; gap: 2px; align-items: center;
  background: #ffffff; border-bottom: 1px solid #e8e6e5;
  padding: 8px 12px; overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.sitenav a {
  white-space: nowrap; text-decoration: none; color: #55504a;
  font-family: "Inter","Noto Sans JP",-apple-system,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  font-size: 14px; font-weight: 500; padding: 8px 12px; border-radius: 8px;
}
.sitenav a:hover { background: rgba(232,98,42,.10); color: #0c0a09; }
.sitenav .sitenav-home { color: #e8622a; font-weight: 700; }
@media (max-width: 640px) {
  .sitenav {
    position: fixed; top: auto; bottom: 0; left: 0; right: 0;
    justify-content: space-around; gap: 0;
    border-top: 1px solid #e8e6e5; border-bottom: 0;
    padding: 5px 2px; box-shadow: 0 -2px 10px rgba(0,0,0,.07);
  }
  .sitenav a { flex: 1; text-align: center; font-size: 11px; padding: 6px 3px; border-radius: 6px; }
  body { padding-bottom: 58px; }
}