/* ベース設定 */
h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
  border-left: 6px solid #0077cc;
  padding-left: 10px;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.2rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(0.9rem, 2vw, 1.5rem);
}

p {
  font-size: clamp(1rem, 2vw, 1.4rem);
}

body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(to right, #f0f8ff, #e6f7ff);
  color: #333;
}

@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

header {
  background: linear-gradient(-45deg, #23a6d5, #23d5ab);
  animation: gradient 15s ease infinite;
  color: white;
  padding: 40px 20px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

header p {
  margin-top: 10px;
  font-size: 1.2em;
  font-weight: 300;
}

/* ヘッダーのロゴとテキスト配置 */
.header-content {
  display: flex;
  align-items: center;
  justify-content: center; /* 真ん中に寄せたいとき。左寄せなら left に変更 */
  flex-wrap: wrap;
  gap: 20px;
}

.logo {
  width: 60px;
  height: 60px;
  border-radius: 50%; /* 丸くしたい場合。不要なら削除OK */
  object-fit: cover;
}

.home{
  width: 60px;
  height: 60px;
  object-fit: cover;
}

.header-text h1 {
  margin: 0;
}

.header-text p {
  margin-top: 8px;
  font-size: clamp(1rem, 2vw, 1.4rem);
}

nav {
  background-color: white;
  padding: 15px;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

nav a {
  font-size: clamp(1rem, 2vw, 1.4rem);
  margin: 0 20px;
  text-decoration: none;
  color: #0077cc;
  font-weight: bold;
  transition: color 0.3s;
}

nav a:hover {
  color: #005fa3;
  border-bottom: 2px solid #005fa3;
}

.container {
  display: flex;
  flex-wrap: wrap;
  padding: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

main {
  flex: 3;
  padding-right: 30px;
}

aside {
  flex: 1;
  background-color: #ffffff;
  padding: 20px;
  border-left: 2px solid #e0e0e0;
}

footer {
  background-color: #222;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}

/* カード風お知らせ */
.card {
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 15px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.card h4 {
  margin-top: 0;
  color: #0077cc;
}

.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.card-link:hover .card {
  background-color: #f0f0f0;
  transition: background-color 0.3s;
  cursor: pointer;
}


/* スマホ対応 */
@media screen and (max-width: 768px) {
  .container {
    flex-direction: column;
    padding: 15px;
  }

  main {
    padding-right: 0;
  }

  nav a {
    display: block;
    margin: 10px 0;
  }
}

/* スクロールでヘッダー縮小 */
header.shrink {
  padding: 15px 20px;
  transition: padding 0.3s ease;
}

.form-wrapper {
  width: 100%;
  max-width: 700px;  /* 任意。PCではこの幅に制限 */
  margin: 0 auto;
}

.form-wrapper iframe {
  width: 100%;
  height: 800px;
  border: none;
}

.image-row {
  display: flex;
  justify-content: center; /* 中央寄せ */
  gap: 20px; /* 画像の間隔 */
  flex-wrap: wrap; /* スマホでは縦に折り返し可 */
}

.image-row img {
  height: 100%;
  max-height: 350px;
  width: auto;
}