/* ふわふわパステル背景 */
body {
  font-family: "Rounded Mplus 1c", "Hiragino Maru Gothic ProN", sans-serif;
  background: linear-gradient(#fffdf5, #fffbe6);
  background-image:
    radial-gradient(circle at 10% 20%, rgba(255,200,200,0.4) 0%, transparent 60%),
    radial-gradient(circle at 80% 10%, rgba(200,220,255,0.4) 0%, transparent 60%),
    radial-gradient(circle at 50% 80%, rgba(255,240,200,0.4) 0%, transparent 60%);
  color: #555;
  text-align: center;
  margin: 0;
}

img {
  max-width: 100%;
  height: auto;
}

/* ロゴ周りをかわいく */
header {
  padding: 20px;
  background-color: #fffaf0;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  position: relative;
}

header::after {
  content: "★ ♪ ❤";
  position: absolute;
  right: 10px;
  bottom: 10px;
  font-size: 1.4em;
  color: #ffb6b9;
}

.logo {
  width: 260px;
  max-width: 80%;
  margin: 10px auto;
  display: block;
}

/* 赤から始まるグラデーション */
.subtitle {
  font-size: clamp(1em, 3vw, 1.2em);
  background: linear-gradient(
    to right,
    red,
    orange,
    yellow,
    green,
    blue,
    violet
  );
  -webkit-background-clip: text;
  color: transparent;
  white-space: nowrap;
  display: inline-block;
  width: 100%;
}

/* 見出しを手書き風にかわいく */
h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 8px;
}

h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 60%;
  height: 6px;
  background: #ffb6b9;
  border-radius: 10px;
  transform: translateX(-50%);
}

.intro {
  padding: 40px 20px;
}

/* 場所・時間表示 */
.event-info {
  background: #fff0a8;
  border: 3px solid #ff9800;
  border-radius: 15px;
  padding: 20px;
  margin: 20px auto;
  max-width: 500px;
  text-align: center;
  font-size: 1.3rem;
  font-weight: bold;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.event-info p {
  margin: 10px 0;
}

/* ぷにっとかわいいボタン */
.btn {
  display: inline-block;
  background-color: #ffb6b9;
  color: white;
  padding: 12px 25px;
  border-radius: 40px;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 6px 0 #ff9aa2;
  transition: 0.2s;
}

.btn:active {
  box-shadow: 0 3px 0 #ff9aa2;
  transform: translateY(3px);
}

/* メニューセクション */
.menu {
  background-color: #fff;
  padding: 30px;
  border-radius: 20px;
  margin: 20px auto;
  width: 90%;
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);
  position: relative;
}

/* セクション区切りの波線 */
.menu::after {
  content: "〜〜〜〜〜〜〜〜〜〜〜〜";
  display: block;
  font-size: 1.2em;
  color: #ffb6b9;
  margin-top: 20px;
}

.menu-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

/* ゆるふわカード */
.menu-card {
  background-color: #fffaf5;
  border-radius: 25px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
  margin: 10px;
  padding: 15px;
  width: 250px;
  transition: transform 0.2s;
}

.menu-card:hover {
  transform: scale(1.03);
}

.menu-card img {
  width: 100%;
  border-radius: 15px;
}

/* スマホ対応 */
@media (max-width: 600px) {
  .menu-card {
    width: 90%;
  }

  .logo {
    width: 180px;
  }

  .btn {
    width: 80%;
    padding: 15px;
    font-size: 1.1em;
  }

  .event-info {
    font-size: 1.1rem;
    width: 90%;
  }
}

/* 文字サイズ自動調整 */
header h1 {
  font-size: clamp(1.4em, 4vw, 2.2em);
  white-space: nowrap;
}

.intro h2 {
  font-size: clamp(1.2em, 3.5vw, 1.8em);
  white-space: nowrap;
}