/* ===== ???? ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== ??????? ===== */
body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  background-color: #fff;
  color: #333;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== ???? ===== */
header {
  background-color: #fff;
  color: #000;
  padding: 1rem 0;
  position: relative;
}

.header-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem; /* ?????????? */
}

.logo {
  height: 3rem;
  display: block;
}

.logo-link {
  display: block;
  text-align: center;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
}

nav ul li {
  margin: 0 1rem;
}

nav ul li a {
  color: #000;
  text-decoration: none;
  font-weight: bold;
}

nav ul li a:hover {
  text-decoration: underline;
}

/* ===== ?????? ===== */
.hamburger {
  display: none;
  font-size: 2rem;
  cursor: pointer;
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

/* ===== ??????????????????? ===== */
.hero-wrapper {
  text-align: center;
  padding: 2rem 0;
}

.hero {
  width: 100%;
  height: auto;
  max-height: 1080px;
  aspect-ratio: 1920 / 1080;
  object-fit: cover;
  display: block;
  margin: 0 auto;
}

/* ===== NEWS????? ===== */
#news {
  background-color: #fafafa;
  padding: 2rem 0;
}

#news h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.news-item {
  background-color: #fff;
  border-left: 4px solid #000;
  padding: 1rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.news-date {
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 0.3rem;
}

.news-title {
  font-size: 1.2rem;
  margin: 0.3rem 0;
}

.news-body {
  font-size: 0.95rem;
  color: #333;
}

@media (min-width: 768px) {
  .news-list {
    flex-direction: row;
  }

  .news-item {
    flex: 1;
  }
}

/* ===== ??????? ===== */
main {
  padding: 2rem 0;
}

section {
  margin-bottom: 2rem;
}

section h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  text-align: center;
}

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

.grid img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

/* ===== SETLIST ??????????????===== */
.year-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.year-card {
  background-color: #000;
  color: #fff;
  text-align: center;
  padding: 1.5rem;
  font-size: 1.2rem;
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.3s;
}

.year-card:hover {
  background-color: #d40000;
}

/* ===== ???? ===== */
footer {
  background-color: #f4f4f4;
  color: #333;
  text-align: center;
  padding: 1rem 0;
  font-size: 0.9rem;
}

/* ===== ???????? ===== */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  nav {
    display: none;
  }

  nav.active {
    display: block;
    background-color: #fff;
  }

  nav ul {
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
  }

  nav ul li {
    margin: 0.5rem 0;
  }

  nav ul li a {
    color: #000;
  }
}


.about-main {
  padding: 60px 20px;
  background-color: #f9f9f9;
  color: #333;
}

.about-section {
  max-width: 800px;
  margin: 0 auto;
}

.about-section h1 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 30px;
  color: #222;
}

.about-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 20px;
  text-align: justify;
}

.banner {
  text-align: center;
  margin: 40px 0;
}

.banner img {
  width: 100%;
  max-width: 1080px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.banner img:hover {
  transform: scale(1.02);
}