/* ====== 共通（ページ背景） ====== */
body{
  margin:0;
  font-family: 'Helvetica Neue', sans-serif;
  background:#d0d0d0;
  color:#333;
}

.br-sp{ display:none; }
@media (max-width:768px){
  .br-sp{ display:inline; }
}

/* ====== ここからイベントページ ====== */
.event-main{
  padding-bottom: 80px;
}

/* ヒーロー */
.event-hero{
  background: #111;
  color:#fff;
  padding: 50px 20px 45px;
}

.event-hero-inner{
  max-width: 1100px;
  margin: 0 auto;
  text-align:center;
}

.event-badge{
  display:inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.5);
  letter-spacing: 0.15em;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.event-title{
  margin:0 0 10px;
  font-size: 2.2rem;
  letter-spacing: 0.06em;
}

.event-lead{
  margin:0;
  opacity: 0.9;
  line-height: 1.7;
}

/* セクション */
.event-section{
  max-width: 1100px;
  margin: 26px auto 0;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* カード */
.event-card{
  background:#fff;
  border-radius: 16px;
  overflow:hidden;
  box-shadow: 0 10px 22px rgba(0,0,0,0.14);
  display: grid;
  grid-template-columns: 420px 1fr;
}

.event-card-media{
  background:#000;
  width: 100%;
  aspect-ratio: 4 / 5;   /* ← 縦ポスター向け */
  overflow: hidden;
}

.event-card-media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}



.event-card-body{
  padding: 22px 22px 24px;
}

.event-meta{
  display:flex;
  gap: 10px;
  align-items:center;
  margin-bottom: 10px;
}

.event-date{
  font-weight: 700;
  color:#111;
}

.event-tag{
  display:inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(231, 76, 60, 0.12);
  color: #e74c3c;
  border: 1px solid rgba(231, 76, 60, 0.25);
}

.event-name{
  margin: 0 0 14px;
  font-size: 1.35rem;
  color:#111;
}

/* 詳細（dl） */
.event-info{
  margin: 0 0 18px;
  display: grid;
  gap: 10px;
}

.event-info > div{
  display:grid;
  grid-template-columns: 80px 1fr;
  gap: 12px;
  align-items: start;
}

.event-info dt{
  font-weight: 800;
  color:#111;
}

.event-info dd{
  margin:0;
  color:#444;
  line-height: 1.7;
}

/* ボタン */
.event-cta{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration:none;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.18);
}

.btn-primary{
  background: #e02727;
  color:#fff;
}

.btn-primary:hover{
  background:#ff3a3a;
}

.btn-ghost{
  background: rgba(0,0,0,0.06);
  color:#111;
  border: 1px solid rgba(0,0,0,0.12);
}

.btn-ghost:hover{
  background: rgba(0,0,0,0.10);
}

/* スマホ */
@media (max-width: 900px){
  .event-card{
    grid-template-columns: 1fr;
  }
  .event-card-media{
    aspect-ratio: 16 / 9;  /* スマホは横長で見せる */
  }
}


@media (max-width: 768px){
  .event-title{ font-size: 1.8rem; }
  .event-card-body{ padding: 18px 16px 20px; }
  .event-info > div{
    grid-template-columns: 70px 1fr;
  }
  .btn{
    width:100%;
  }
}


/* 共通ヘッダー */
.site-header {
  background-color: #222;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header .logo {
  height: 40px;
}
.main-nav {
  display: flex;
  gap: 15px;
}
.main-nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}
.main-nav a:hover {
  text-decoration: underline;
}

/* ハンバーガー */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}
.hamburger span {
  background: white;
  height: 3px;
  margin: 4px 0;
  width: 25px;
}
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  .main-nav {
    display: none;
    flex-direction: column;
    background: #222;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    text-align: center;
  }
  .main-nav.active {
    display: flex;
  }
  .main-nav a {
    padding: 10px 0;
  }
}

/* サイトマップ */
.footer-sitemap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  padding: 30px 20px;
  color: #fff;
  background: #111;
}

.footer-sitemap h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #ffffff;
  letter-spacing: 0.07em;
}

.footer-sitemap ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-sitemap li {
  margin-bottom: 6px;
}

.footer-sitemap a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-sitemap a:hover {
  text-decoration: underline;
  color: #ffd768; /* ホバーを少し黄色にして統一感UP */
}

@media (max-width: 768px) {
  .footer-sitemap {
    grid-template-columns: 1fr 1fr;
    gap: 25px 10px;
  }
}