/* =========================================================
   ゆるっとよさこい祭り サイト共通スタイル
   墨（黒）・和紙・金を基調に、今季の差し色は「冬の藍・雪」
   ========================================================= */
:root {
  --ys-ink: #0a0605;
  --ys-ink-2: #120a07;
  --ys-ink-3: #1a120f;
  --ys-paper: #f5efe4;
  --ys-paper-dim: rgba(245, 239, 228, 0.72);
  --ys-paper-faint: rgba(245, 239, 228, 0.52);
  --ys-line: rgba(245, 239, 228, 0.14);
  --ys-gold: #c89b3c;
  --ys-gold-bright: #e8c268;
  --ys-red: #c73e22;
  --ys-red-bright: #e8563a;
  --ys-winter: #5b8fa8;
  --ys-winter-bright: #8fc0d6;
  --ys-winter-deep: #0b2331;
  --ys-snow: #eaf6fb;
  --ys-mincho: "Shippori Mincho", "Noto Serif JP", "Yu Mincho", serif;
  --ys-gothic: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  --ys-header-h: 64px;
}

/* ---------- 表示確認バナー ---------- */
.ys-preview-banner {
  position: relative; z-index: 60;
  padding: 8px 16px;
  background: #ffe28a; color: #2a1a00;
  font: 700 13px/1.5 var(--ys-gothic);
  text-align: center;
}

/* ---------- 共通ヘッダー ---------- */
.ys-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: flex-start; flex-wrap: nowrap;
  gap: 18px;
  min-height: var(--ys-header-h);
  margin: 0;
  padding: 10px clamp(16px, 3vw, 32px);
  color: var(--ys-paper);
  background: rgba(10, 6, 5, 0.9);
  border-bottom: 1px solid var(--ys-line);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  font-family: var(--ys-gothic);
  font-size: 14px;
  line-height: 1.5;
}
.ys-header a { color: inherit; text-decoration: none; }
.ys-brand {
  display: inline-flex; align-items: center; gap: 10px;
  flex: 0 0 auto;
  font-family: var(--ys-mincho);
  font-size: 14px; font-weight: 700; letter-spacing: 0.14em;
  white-space: nowrap;
}
.ys-brand-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ys-red-bright);
  box-shadow: 0 0 12px var(--ys-red-bright);
}
.ys-nav {
  display: none;
  margin-left: auto;
  gap: 4px;
}
.ys-nav a {
  padding: 8px 12px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--ys-paper-dim);
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.ys-nav a:hover { color: var(--ys-paper); }
.ys-nav a[aria-current="page"] { color: var(--ys-paper); border-bottom-color: var(--ys-winter-bright); }
.ys-header-cta {
  flex: 0 0 auto;
  margin-left: auto;
  padding: 9px 14px;
  font-size: 12px; font-weight: 900; letter-spacing: 0.06em;
  white-space: nowrap;
  border: 1px solid var(--ys-winter-bright);
  color: var(--ys-snow);
  background: rgba(91, 143, 168, 0.22);
}
.ys-header-cta.is-open {
  color: #06161f; background: var(--ys-winter-bright);
  box-shadow: 0 0 0 3px rgba(143, 192, 214, 0.22);
}
.ys-header-cta.is-closed { border-color: var(--ys-line); background: transparent; color: var(--ys-paper-dim); }
.ys-menu { position: relative; flex: 0 0 auto; }
.ys-menu > summary {
  list-style: none;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 10px;
  border: 1px solid var(--ys-line);
  font: 700 11px/1 var(--ys-mincho); letter-spacing: 0.2em;
  cursor: pointer; user-select: none;
}
.ys-menu > summary::-webkit-details-marker { display: none; }
.ys-menu-icon, .ys-menu-icon::before, .ys-menu-icon::after {
  display: block; width: 16px; height: 1.5px; background: currentColor; position: relative;
}
.ys-menu-icon::before, .ys-menu-icon::after { content: ""; position: absolute; left: 0; }
.ys-menu-icon::before { top: -5px; }
.ys-menu-icon::after { top: 5px; }
.ys-menu[open] .ys-menu-icon { background: transparent; }
.ys-menu[open] .ys-menu-icon::before { top: 0; transform: rotate(45deg); }
.ys-menu[open] .ys-menu-icon::after { top: 0; transform: rotate(-45deg); }
.ys-menu-panel {
  position: absolute; right: 0; top: calc(100% + 11px);
  width: min(88vw, 300px);
  display: flex; flex-direction: column;
  background: #120a07;
  border: 1px solid rgba(232, 194, 104, 0.4);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.55);
}
.ys-menu-panel a {
  padding: 15px 18px;
  font-size: 15px; font-weight: 700;
  border-bottom: 1px solid var(--ys-line);
}
.ys-menu-panel a:last-child { border-bottom: 0; }
.ys-menu-panel a[aria-current="page"] { color: var(--ys-winter-bright); }
@media (min-width: 960px) {
  .ys-nav { display: flex; }
  .ys-header-cta { margin-left: 8px; }
  .ys-menu { display: none; }
}
@media (max-width: 420px) {
  .ys-header { gap: 8px; }
  .ys-brand { font-size: 12px; letter-spacing: 0.06em; gap: 7px; }
  .ys-header-cta { padding: 8px 9px; font-size: 11px; letter-spacing: 0; }
  .ys-menu > summary { padding: 8px; font-size: 0; gap: 0; }
}
@media (max-width: 340px) { .ys-header-cta { display: none; } .ys-menu { margin-left: auto; } }

/* ---------- 共通フッター ---------- */
.ys-footer {
  padding: 56px 20px calc(40px + env(safe-area-inset-bottom));
  background: #050302;
  color: var(--ys-paper);
  text-align: center;
  border-top: 1px solid var(--ys-line);
  font-family: var(--ys-gothic);
  line-height: 1.8;
}
.ys-footer a { color: inherit; }
.ys-footer-inner { max-width: 760px; margin: 0 auto; }
.ys-foot-brand { font: 700 24px/1.4 var(--ys-mincho); letter-spacing: 0.1em; margin-bottom: 6px; }
.ys-foot-en { font: 500 11px/1 var(--ys-mincho); letter-spacing: 0.4em; color: var(--ys-gold); margin-bottom: 26px; }
.ys-foot-links {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 22px;
  margin-bottom: 28px;
  font: 500 13px/1.6 var(--ys-mincho); letter-spacing: 0.12em;
}
.ys-foot-links a { color: var(--ys-paper-dim); text-decoration: none; transition: color .2s; }
.ys-foot-links a:hover { color: var(--ys-gold-bright); }
.ys-foot-info {
  scroll-margin-top: calc(var(--ys-header-h) + 16px);
  border-top: 1px solid var(--ys-line);
  border-bottom: 1px solid var(--ys-line);
  padding: 22px 0 24px; margin-bottom: 28px;
}
.ys-foot-info-title { margin: 0 0 12px; font: 700 13px/1 var(--ys-mincho); letter-spacing: 0.3em; color: var(--ys-gold-bright); }
.ys-foot-info dl {
  display: flex; flex-direction: column; gap: 8px;
  max-width: 380px; margin: 0 auto; text-align: left;
  font-size: 12.5px; color: rgba(245, 239, 228, 0.66); letter-spacing: 0.04em;
}
.ys-foot-info dl > div { display: grid; grid-template-columns: 56px 1fr; gap: 8px; }
.ys-foot-info dt { font: 500 10px/2 var(--ys-mincho); letter-spacing: 0.2em; color: var(--ys-gold); }
.ys-foot-info dd { margin: 0; }
.ys-foot-info dd a { text-decoration: underline; text-underline-offset: 3px; }
.ys-foot-ornament { display: flex; align-items: center; gap: 14px; max-width: 280px; margin: 0 auto 22px; opacity: 0.6; }
.ys-foot-ornament::before, .ys-foot-ornament::after { content: ""; flex: 1; height: 1px; background: var(--ys-gold); }
.ys-foot-ornament span { font: 500 10px/1 var(--ys-mincho); letter-spacing: 0.4em; color: var(--ys-gold); }
.ys-foot-copy { font-size: 11px; color: rgba(245, 239, 228, 0.4); letter-spacing: 0.1em; }

/* ---------- 共通パーツ（トップ・募集要項・アーカイブで使用） ---------- */
.ys-wrap { width: min(100% - 32px, 1080px); margin-inline: auto; }
.ys-wrap-narrow { width: min(100% - 32px, 760px); margin-inline: auto; }
.ys-section { padding: clamp(56px, 9vw, 104px) 0; position: relative; }
.ys-tag {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0 0 16px;
  font: 500 11px/1.4 var(--ys-mincho); letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--ys-gold);
}
.ys-tag::before { content: ""; width: 24px; height: 1px; background: currentColor; }
.ys-tag.is-winter { color: var(--ys-winter-bright); }
.ys-title {
  margin: 0 0 14px;
  font: 700 clamp(26px, 5.6vw, 42px)/1.38 var(--ys-mincho);
  letter-spacing: 0.04em;
  text-wrap: balance;
}
.ys-sub { margin: 0 0 36px; font: 500 13px/1.6 var(--ys-mincho); letter-spacing: 0.18em; color: var(--ys-paper-faint); }
.ys-lead { color: rgba(245, 239, 228, 0.84); font-size: 15.5px; line-height: 2; }

.ys-badge {
  display: inline-block;
  padding: 4px 11px;
  font: 700 11px/1.4 var(--ys-mincho); letter-spacing: 0.22em;
  color: #06161f; background: var(--ys-winter-bright);
}
.ys-badge.is-gold { background: var(--ys-gold-bright); color: #1a0f05; }
.ys-badge.is-red { background: var(--ys-red); color: #fff; }
.ys-badge.is-muted { background: rgba(245, 239, 228, 0.12); color: var(--ys-paper-dim); }

.ys-btn {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 60px;
  padding: 16px 24px;
  font: 900 16px/1.4 var(--ys-gothic); letter-spacing: 0.08em;
  text-decoration: none; text-align: left;
  color: #06161f;
  background: var(--ys-winter-bright);
  border: 1px solid #bfe4f5;
  box-shadow: 0 14px 34px -14px rgba(143, 192, 214, 0.85);
  cursor: pointer;
  transition: transform .2s, background .2s, box-shadow .2s;
}
.ys-btn .arrow { font-family: var(--ys-mincho); font-size: 20px; transition: transform .25s; }
.ys-btn:hover { background: #b5dcec; }
.ys-btn:hover .arrow { transform: translateX(4px); }
.ys-btn:focus-visible, .ys-header a:focus-visible, .ys-menu > summary:focus-visible { outline: 3px solid var(--ys-gold-bright); outline-offset: 3px; }
.ys-btn.is-block { display: flex; width: 100%; }
.ys-btn.is-gold { color: #1a0f05; background: var(--ys-gold-bright); border-color: #f5dc9d; box-shadow: 0 14px 34px -16px rgba(232, 194, 104, 0.8); }
.ys-btn.is-gold:hover { background: #f3d58c; }
.ys-btn.is-ghost { color: var(--ys-paper); background: rgba(10, 6, 5, 0.35); border-color: rgba(232, 194, 104, 0.6); box-shadow: none; }
.ys-btn.is-ghost:hover { background: rgba(245, 239, 228, 0.08); }
.ys-btn[disabled], .ys-btn.is-disabled {
  color: rgba(245, 239, 228, 0.45); background: rgba(245, 239, 228, 0.06);
  border-color: rgba(245, 239, 228, 0.18); box-shadow: none; cursor: not-allowed; transform: none;
}
.ys-btn[disabled] .arrow { transform: none; }

/* カウントダウン */
.ys-countdown { display: flex; gap: 8px; margin: 0; }
.ys-countdown > div {
  min-width: 64px; padding: 10px 8px 8px;
  text-align: center;
  border: 1px solid rgba(143, 192, 214, 0.45);
  background: rgba(6, 22, 31, 0.55);
}
.ys-countdown b { display: block; font: 800 clamp(24px, 6vw, 34px)/1 var(--ys-mincho); color: #fff; font-variant-numeric: tabular-nums; }
.ys-countdown small { display: block; margin-top: 6px; font-size: 10px; letter-spacing: 0.2em; color: var(--ys-winter-bright); }

/* スマホ下部の申込ボタン */
.ys-float-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(10, 6, 5, 0.92);
  border-top: 1px solid rgba(143, 192, 214, 0.45);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transform: translateY(110%);
  transition: transform .3s;
}
.ys-float-cta.is-visible { transform: none; }
.ys-float-cta .ys-btn { min-height: 52px; padding: 12px 18px; font-size: 15px; }
@media (min-width: 960px) { .ys-float-cta { display: none; } }

@media (prefers-reduced-motion: reduce) {
  .ys-btn, .ys-btn .arrow, .ys-float-cta, .ys-nav a { transition: none; }
}