/* ============================================================
   グローバル
   ============================================================ */
body {
  font-family: 'Noto Sans JP', 'Inter', 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(to bottom, #003366, #ffffff);
  color: #333;
}

/* ============================================================
   ヘッダー
   ============================================================ */
header {
  background-image: url('img/header_background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 200px;
  position: relative;
  color: white;
}
header div.overlay {
  background-color: rgba(0, 0, 0, 0.5);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}
header div.content {
  position: relative;
  z-index: 1;
  padding: 20px;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: 28px;
  font-weight: bold;
}
nav ul {
  list-style-type: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 10px;
}
nav ul li {
  display: inline;
}
nav ul li a {
  text-decoration: none;
  color: white;
  font-size: 14px;
  padding: 5px 5px;
  border-radius: 5px;
  background-color: rgba(59, 130, 246, 0.7);
  transition: background-color 0.3s;
}
nav ul li a:hover {
  background-color: rgba(59, 130, 246, 1);
}

/* ============================================================
   フッター
   ============================================================ */
footer {
  margin-top: 30px;
  text-align: center;
  font-size: 14px;
  color: #9ca3af;
}

/* ============================================================
   Profile セクション（container）
   ============================================================ */
.container {
  max-width: 800px;
  margin: 30px auto;
  padding: 20px;
  background-color: #000000;
  color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.profile {
  text-align: center;
  margin-bottom: 20px;
}
.profile img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #3b82f6;
  margin-bottom: 15px;
}
.profile h1 {
  font-size: 28px;
  color: #f8f8f8;
  background-color: #000000;
  padding: 10px;
  border-radius: 5px;
  margin: 10px 0;
}
.profile p {
  font-size: 16px;
  color: #cccccc;
}
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: space-between;
}
.links a {
  flex: 1 1 calc(50% - 10px);
  display: flex;
  align-items: center;
  padding: 15px;
  background-color: #333333;
  border: 1px solid #444444;
  border-radius: 8px;
  text-decoration: none;
  color: #ffffff;
  font-size: 16px;
  transition: background-color 0.3s, box-shadow 0.3s;
  box-sizing: border-box;
}
.links a img {
  width: 80px;
  height: 80px;
  border-radius: 5px;
  margin-right: 15px;
}
.links a:hover {
  background-color: #e5e7eb;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* ============================================================
   Podcast セクション（container1）
   ============================================================ */
.container1 {
  max-width: 800px;
  margin: 30px auto;
  padding: 20px;
  color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 4px rgba(0, 0, 0, 0.1);
  background-image: url('img/image.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.profile1 {
  text-align: center;
  margin-bottom: 20px;
}
.profile1 img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid #3b82f6;
  margin-bottom: 1px;
}
.profile1 a img:hover {
  background-color: #e5e7eb;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.profile1 h1 {
  font-size: 28px;
  color: #f8f8f8;
  background-color: rgba(50, 30, 250, 0.8);
  padding: 10px;
  border-radius: 5px;
  margin: 10px 0;
}
.profile1 p {
  font-size: 16px;
  color: #cccccc;
  background-color: rgba(20, 20, 20, 0.8);
  border-radius: 8px;
}
.links1 {
  display: flex;
  gap: 15px;
  justify-content: space-between;
}
.links1 a {
  flex: 1 1 calc(50% - 10px);
  display: flex;
  align-items: center;
  padding: 10px;
  border: 1px solid #444444;
  border-radius: 8px;
  text-decoration: none;
  color: #ffffff;
  font-size: 16px;
  transition: background-color 0.3s, box-shadow 0.3s;
  box-sizing: border-box;
  margin-bottom: 2px;
  background-color: rgba(42, 42, 42, 0.8);
}
.links1 a img {
  width: 120px;
  height: auto;
  border-radius: 5px;
  margin-right: 15px;
  flex-shrink: 0;
}
.links1 a:hover {
  background-color: #e5e7eb;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.links1 .episode-title {
  font-size: 16px;
  color: #f8f8f8;
  margin-bottom: 4px;
  font-weight: bold;
}
.links1 .episode-date {
  font-size: 13px;
  color: #bbb;
  margin-bottom: 4px;
}
.links1 .episode-desc {
  font-size: 14px;
  color: #ddd;
}

/* ============================================================
   Media セクション（container2）
   ============================================================ */
.container2 {
  max-width: 800px;
  margin: 30px auto;
  padding: 20px;
  color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  background-image: url('img/past-backimage.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.links2 {
  display: flex;
  gap: 15px;
  justify-content: space-between;
}
.links2 a {
  flex: 1 1 calc(50% - 10px);
  display: flex;
  align-items: center;
  padding: 10px;
  border: 1px solid #444444;
  border-radius: 8px;
  text-decoration: none;
  color: #ffffff;
  font-size: 16px;
  transition: background-color 0.3s, box-shadow 0.3s;
  box-sizing: border-box;
  background-color: rgba(42, 42, 42, 0.2);
}
.links2 a img {
  width: 120px;
  height: auto;
  border-radius: 5px;
  margin-right: 15px;
}
.links2 a:hover {
  background-color: #e5e7eb;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.links2 p {
  font-size: 16px;
  color: #f8f8f8;
}