/* ===================
   BASE
=================== */
body {
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.7;
  color: #333;
}

.section-title {
  font-size: 28px;
  font-weight: 500;
  margin-bottom: 20px;
  border-left: 5px solid #000;
  padding-left: 12px;
}

section {
  width: 90%;
  max-width: 1080px;
  margin: 60px auto;
}

/* ===================
   NAVBAR
=================== */
.navbar {
  background: #871e27;
  position: sticky;
  top: 0;
  z-index: 10;
  width: 100%;
}

.nav-inner {
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;

  display: flex;
  justify-content: space-between;
  align-items: center;

  height: 80px;
}

.nav-inner nav {
  margin-left: auto;
}

.logo {
  margin: 0;
  position: relative;
  top: 50px;
  /* ロゴを下に飛ばす */
}

.logo img {
  height: 250px;
  /* PCロゴ初期サイズ */
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.2));
  transform-origin: left center;
}

/* スクロール時のロゴ縮小（PC） */
header.scrolled .logo img {
  height: 200px;
}

nav ul {
  display: flex;
  gap: 25px;
  list-style: none;
}

nav a {
  text-decoration: none;
  color: #fff;
  font-size: 15px;
  display: inline-block;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

nav a:hover {
  transform: translateY(-3px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

/* ===================
   HERO
=================== */
.hero {
  position: relative;
}

.hero-img {
  width: 100%;
  height: auto;
}

.hero-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  text-align: center;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.6);
}

.hero-text h2 {
  font-size: 46px;
  font-weight: 700;
}

.hero-text p {
  font-size: 20px;
  margin-top: 10px;
}

/* ===================
   COUNTDOWN
=================== */
.countdown-section {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 40px 0;
  background: #1d2088;
  text-align: center;
}

.cd-item span,
.cd-item p {
  color: #fff !important;
}

.countdown-section .section-title {
  color: #fff;
  font-size: 28px;
  margin-bottom: 20px;
  border-left: none;
  padding-left: 0;
}

.cd-wrap {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.countdown-wrapper {
  background: #fff !important;
}

.cd-item {
  background: rgba(255, 255, 255, 0.15);
  padding: 15px 25px;
  border-radius: 8px;
  text-align: center;
}

.cd-item span {
  font-size: 32px;
  font-weight: bold;
  display: block;
}

.cd-item p {
  font-size: 14px;
  margin: 0;
}

/* ===================
   NEWS
=================== */
.news-section {
  width: 90%;
  max-width: 1080px;
  margin: 60px auto;
}

.news-layout {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 30px;
}

.news-main img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
}

.news-main-text {
  margin-top: 15px;
}

.news-category {
  font-size: 13px;
  color: #777;
}

.news-main-title {
  font-size: 24px;
  font-weight: 600;
  margin: 5px 0;
}

.news-main-desc {
  font-size: 15px;
  color: #555;
  line-height: 1.7;
}

.news-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.news-item img {
  width: 110px;
  height: 70px;
  object-fit: cover;
  border-radius: 6px;
}

.news-side-title {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  color: #222;
}

.news-item:hover .news-side-title {
  text-decoration: underline;
  opacity: 0.8;
}

/* ===================
   STADIUM
=================== */
.stadium-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.stadium-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.stadium-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.stadium-card h3 {
  margin-top: 12px;
  font-size: 18px;
}

.stadium-card p {
  margin-bottom: 15px;
  font-size: 14px;
  color: #666;
}

.stadium-swiper {
  width: 100%;
  padding: 20px 0;
}

.stadium-swiper .swiper-slide {
  width: 260px;
}

/* ===================
   FOOTER
=================== */
.footer {
  background: #871e27;
  color: #fff;
  padding: 50px 20px;
  text-align: center;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.footer-logo img {
  height: 90px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
  margin-bottom: 20px;
}

.footer-sns {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-bottom: 20px;
}

.footer-sns a img {
  width: 28px;
  height: 28px;
  opacity: 0.85;
  transition: 0.25s;
}

.footer-sns a img:hover {
  opacity: 1;
  transform: translateY(-3px);
}

.footer-copy {
  font-size: 14px;
  opacity: 0.9;
}

/* ===================
   ABOUT
=================== */
#about p {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
  font-size: 18px;
  color: #333;
  padding: 0 20px;
}

/* ==============================
   SMARTPHONE
============================== */
@media (max-width: 768px) {

  /* ロゴ（スマホ初期サイズ） */
  .logo img {
    height: 120px;
  }

  /* ロゴ（スマホでスクロール時） */
  header.scrolled .logo img {
    height: 100px;
  }

  .footer-logo img {
    height: 70px;
  }

  /* PCナビを隠す（スマホ） */
  nav ul {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 80px;
    right: 0;
    width: 200px;
    background: #871e27;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    padding: 15px 0;
    z-index: 1000;
  }

  /* 開いたとき */
  nav ul.active {
    display: block;
  }

  nav ul li a {
    color: #fff;
    padding: 12px 20px;
  }

  /* ハンバーガー */
  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 35px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
  }

  .hamburger span {
    display: block;
    height: 3px;
    width: 100%;
    background: #fff;
    border-radius: 2px;
    transition: 0.3s;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  /* NEWS レイアウト1カラム */
  .news-layout {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  /* サブニュース調整 */
  .news-side {
    gap: 14px;
  }

  .news-item {
    align-items: flex-start;
    gap: 10px;
  }

  /* スローガン */
  .slogan-block {
    padding: 120px 20px;
    text-align: center;
    background: #fff;
  }

  .slogan {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #222;
  }
}