@charset "UTF-8";

.main {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 10px;
  max-width: 1200px;
  margin: 30px auto 50px;
  padding: 0 20px;
}

.concept-hero {
  width: 100%;
  background: url('../img/concept/concept.jpg') no-repeat center center / cover fixed;
  min-height: 100vh; 
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 60px 20px;
}

.concept-box {
  background-color: rgba(255, 255, 255, 0.3); 
  padding: 40px 60px;
  border-radius: 35px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px); 
}

.concept-title {
  font-family: "Montserrat", sans-serif;
  font-size: 3.5rem;
  font-weight: 900;
  margin-bottom: 20px;
}

.concept-catch {
  font-family: "DotGothic16", sans-serif;
  font-size: 2rem;
  margin-bottom: 30px;
}

.concept-text {
  font-size: 1.1rem;
  line-height: 2.2;
  text-align: justify;
  word-break: break-all;
  margin-top: 30px;
}

.concept-text p {
  margin-bottom: 2.5em;
}

/* ゲーミフィケーションリンク */
.btn-link {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 30px;
  background-color: #ffbcdd;
  color: #fff;
  font-family: "DotGothic16", sans-serif;
  font-size: 1.1rem;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 0 #e6a8c7;
  position: relative;
}

/* ホバー */
.btn-link:hover {
  background-color: #ff99cc;
  transform: translateY(2px);
  box-shadow: 0 2px 0 #e6a8c7;
}

/* 矢印*/
.btn-link::after {
  content: '▶';
  margin-left: 10px;
  font-size: 0.8rem;
}