/* ===== 全体 ===== */
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  background: #fffaf4;
  color: #333;
}

/* ===== ヘッダー ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #ff9800;
  color: #fff;
  z-index: 1000;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 12px;
}

.header-top img {
  height: 50px;
}

.header-top h1 {
  font-size: 22px;
  margin: 0;
}

/* ===== ナビ ===== */
nav {
  background: #ffa726;
}

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0;
  padding: 0;
}

nav li {
  margin: 6px 10px;
}

nav a {
  color: #fff;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 4px;
}

nav a:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ===== メイン ===== */
main {
  max-width: 1100px;
  margin: auto;
  padding: 210px 20px 40px;
}

/* ===== セクション ===== */
.section {
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 40px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.section h2 {
  margin-top: 0;
  color: #ff9800;
}

/* ===== 中央寄せ ===== */
.center {
  text-align: center;
}

/* ===== テーブル ===== */
.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table th,
.info-table td {
  border: 1px solid #ffcc80;
  padding: 12px;
}

.info-table th {
  background: #fff3e0;
  text-align: left;
}

/* ===== 代表挨拶 ===== */
.president-box {
  display: flex;
  align-items: flex-start;
  gap: 30px;
}

.president-photo {
  width: 250px;
  height: auto;
  object-fit: cover;
  border-radius: 10px;
}

.president-message h3 {
  margin-top: 0;
}

/* ===== フッター ===== */
footer {
  background: #ff9800;
  color: #fff;
  text-align: center;
  padding: 20px;
}

/* ===== スマホ対応 ===== */
@media (max-width: 768px) {

  .header-top h1 {
    font-size: 18px;
  }

  main {
    padding-top: 230px;
  }

  /* 代表挨拶：縦並び */
  .president-box {
    flex-direction: column;
  }

  .president-photo {
    width: 60%;
    max-width: 200px;
    margin: 0 auto;
  }

  .president-message {
    margin-top: 15px;
  }
}

/* ===== リンクの色 ===== */
p a {
  color: #d35400;
  text-decoration: none;
}