/* 共通のスタイル */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Arial', sans-serif;
  cursor: none;
}

body {
  color: #fff;
}

.cursor {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  position: fixed;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
  pointer-events: none;
  mix-blend-mode: difference;
  transition: transform 0.1s ease-out;
  z-index: 3;
}


.cursor.pointer {
  width: 30px;
  height: 30px;
}

/* ヘッダー*/
header {
  font-family: Arial, sans-serif;
  width: 100%;
  height: 90px;
  display: flex;
  padding-top: 20px;
  padding-right: 10px;
  padding-left: 30px;
  z-index: 2;
}
.back-btn{
  margin: 0;
  padding: 0;
}
.header {
  display: flex;
  position: fixed;
  right: 0;
  margin: 0 ;  
  justify-content: space-between;
  align-items: center;
  width: 50%;
  height: auto;
  padding: 0 20px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 35px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  max-width: 1200px;
}

.header-links {
  display: flex;
  gap: 20px;
  padding: 10px 30px;
}
.header-links a {
  text-decoration: none;
  color: #333;
  font-weight: bold;
  font-size: 20px;
  padding: 10px 0;
  display: flex;
  align-items: center;
}
.header-links a:hover {
  color: rgb(2, 218, 218);;
}
.he-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(255, 255, 255, 0.95);
  padding: 10px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  display: none;
  flex-direction: column;
  width: 200px;
  z-index: 2;
}
.he-dropdown a {
  padding: 10px;
  white-space: nowrap;
}
.header-item {
  position: relative;
}
.header-item:hover .he-dropdown {
  display: flex;
}
.co-btn {
  background: linear-gradient(to right, rgb(2, 218, 218) 50%, rgb(51, 51, 51)50%);
  background-size: 200% 100%;
  background-position: 0 0;
  color: white;
  padding: 11px 22px;
  margin: 10px 0px;
  top: 50%;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  transition: background-position 0.3s ease, color 0.3s ease;
  border: 3px solid rgb(2, 218, 218);

}
.co-btn:hover {
  background-position: -100% 0;
  color:rgb(2, 218, 218);

}
/* モバイル用メニュー */
.menu-toggle {
  display: none;
  background:  rgb(2, 218, 218);
  border: none;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  cursor: pointer;
  position: absolute;
  top: 50%;
  right: 10px;
}
.menu-toggle img{
  color: white;
  width: 55px;
  height: 55px;
  padding: 10px;
  top: 50%;
}
.sidebar {
  position: fixed;
  top: 0;
  right: -100%;
  width: 250px;
  height: 100%;
  background: white;
  box-shadow: -4px 0 10px rgba(0, 0, 0, 0.1);
  transition: right 0.3s ease-in-out;
  padding: 20px;
  display: flex;
  flex-direction: column;
  z-index: 10;

}
.sidebar a {
  display: block;
  padding: 10px;
  text-decoration: none;
  color: #333;
}
.sidebar a:hover {
  background: #f0f0f0;
}
.cl-btn {
  background:  rgb(2, 218, 218);;
  color: white;
  border: none;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  font-size: 30px;
  cursor: pointer;
  align-self: flex-end;
}



.logo {
  font-size: 1.5rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  margin: 0;
}

.logo-text {
  font-size: 2rem;
  font-weight: bold;
  align-items: center;
  padding: 0 15px;
  margin: 13px;
  mix-blend-mode: difference;
}

.logo img {
  width: 50px;
  height: auto;
  border-radius: 50%;
  pointer-events: none;

}


/* メインTOP hero */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  z-index: -1;
}

.hero video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  object-fit: cover;
  position: fixed;
  z-index: -2;
}

.overlay {
  padding: 60px 20px;
  padding-left:53px;
  position: absolute;
  bottom: 70px;
  z-index: 1;
}

.overlay h2 {
  font-size: 6rem;
}

.overlay p {
  font-size: 4rem;
}



/* CONCEPT セクション */
.concept {
  color: rgba(2, 218, 218, 1);
  display: flex;
  height: 100vh;
  margin: 0;
  padding: 30px;
  padding-left: 53px;
  gap: 70px;
  align-items: center;
  background: rgb(51, 51, 51);
}

.concept-text h2,
.concept-text h3 {
  font-size: 2.9rem;
  align-items: center;
}


.concept-text p {
  font-size: 1.1rem;
  margin-top: 20px;
  align-items: center;
}

.concept-img{
  padding-right: 30px;
  pointer-events: none;
}


/* strengthsセクション */
.Strengths {
  color:rgb(255, 255, 255);
  margin: 0;
  padding: 30px;
  align-items: center;
  background:rgba(2, 218, 218, 1);
}

.strengths-text{
padding: 30px;
}

.strengths-text h2 {
  color:rgb(255, 255, 255);
  font-size: 3.5rem;
  margin-bottom: 20px;
}

.strengths-text p {
  color:rgb(255, 255, 255);
  font-size: 1.3rem;
  margin-bottom: 50px;
}

.st-list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-bottom: 100px;
}

.st-list ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 15px;
  flex-wrap: wrap;
}

.st-item {
  flex: 1 1 calc(20% - 15px); 
  text-align: center;
  background-color:rgba(255, 255, 255, 0.3);
  border-radius:10px;
  padding: 10px;
  padding-top: 20px;
  padding-bottom: 15px;
  margin-bottom: 0px;
}


.st-item img {
  width: 65px; /* アイコンのサイズを調整 */
  height: auto;
  margin-bottom: 10px;
  pointer-events: none;
}

.st-text h3 {
  font-size: 2rem;
  margin: 10px 0;
  color: rgb(255, 255, 255);
}

.st-text p {
  font-size: 0.7rem;
  line-height: 1.2;
  background-color: rgba(255, 255, 255, 0);
  color: rgb(255, 255, 255);
  padding: 10px 15px;
  border-radius:10px;
  font-weight: bold;
}





/* CONTENTS  */
.contents {
  padding: 20px;
  background: rgb(051, 051, 051);
}

.contents h2 {
  font-size: 3.8rem;
  margin: 10px 0;
  padding: 30px;
  color: #fff;
}

.gricon {
  width: 270px;
  aspect-ratio: 16 / 10;
  position: relative;
}

.gricon img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  object-fit: contain;
  pointer-events: none;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr); 
  gap: 20px;
  max-width: 100%;
  margin: 0 auto;
  padding: 10px;
}

.content-item {
  padding: 10px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: rgb(2, 218, 218);
}

.content-item p {
  font-size: 1.8rem;
  text-align: center;
  margin: 0;
  color: rgb(051, 051, 051);
  font-weight: bold;
}

.content-grid a {
  text-decoration: none;
  text-align: center;
}

.con-btn {
  display: block;
  margin: 10px auto;
  border: 2px solid rgb(051, 051, 051);
  background: linear-gradient(to right, rgba(51, 51, 51) 50%, rgb(255, 255, 255)50%);
  background-size: 200% 100%;
  background-position: 0 0;
  color: rgb(255, 255, 255);
  font-weight: bold;
  border-radius: 80px;
  padding: 6px 30px;
  width: 130px;
  transition: background-position 0.3s ease, color 0.3s ease;
  text-align: center;
}

.con-btn:hover {
  background-position: -100% 0;
  color: rgb(051, 051, 051);
}


/* フッター */
footer {
  text-align: center;
  padding: 40px 20px;
  background:rgb(051, 051, 051);
}

@media screen and (max-width: 1248px) {
  .header-links {
    display: none;
}
.menu-toggle {
    display: block;
    align-items: flex-start;
    right: 0;
    margin-right: 10px;

}
.header {
    padding: 0;
    margin: 0;
    background: none;
    box-shadow: none;
    width: 30%;
  }
    .header-links{
        display: none;
    }
.co-btn{
    display: none;
}

.he-dropdown {
    display: none;
}


  .logo {
    font-size: 1.2rem;
  }
  .logo-text {
    font-size: 1.3rem;
  }
  

  .logo img {
      width: 35px;
      height: auto;
      border-radius: 50%;
    }    

  .hero {
    width: 100%;
    height: 100vh;
    /* 画面 */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: -1;
  }

  .overlay {
    width: 100%;
    height: 110%;
    position: absolute;
    top: 0;
    left: 0;
    /* 応じて調整 */
    padding: 60px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .overlay h2 {
    font-size: 6rem;
  }

  .overlay p {
    font-size: 4rem;
  }

  .contents{
  flex-direction: column;
  text-align: center;
  margin: 0;
  height: auto;
  padding: 0;
  gap: 0;
  padding-top: 100px;
  position: relative;
  z-index: -1;
}

.concept-img {
    padding: 0;
    margin: 0;
    right: 0;
}
.concept-img img{
  padding: 0;
    margin: 0;
    width: 80%;
    height: auto;
    object-fit: cover;
}

.concept-text h2{
    margin: 0;
    padding: 0;
    text-align: center;
    font-size: 2rem;
}
.concept-text h3 {
    text-align: center;
  font-size: 1.9rem;
  padding-top: 10px;
  padding-bottom: 20px;
}

.concept-text h2 span{
    display: block;
    height: 0;
  }
  

.concept-text p {
  margin: 0;
  font-size: 0.9rem;
  padding: 0 20px;
}


.concept-text p span{
    display: none;
}

  .contents h2 {
      text-align: center;
    font-size: 3.5rem;
    padding-bottom: 20px;
  }

  .content-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .content-item p {
    font-size: 1.2rem;
  }

  .content-item a {
    font-size: 1.5rem;
    width: 110px;
  }

  footer {
    padding: 30px;
    font-size: 0.8rem;
  }
  
}

/* モバイル用スタイル */
@media screen and (max-width: 600px) {
  .cursor {
    display: none;
  }
  .header-links {
    display: none;
}
.menu-toggle {
    display: block;
    align-items: flex-start;
    right: 0;
    margin-right: 10px;

}
.header {
    padding: 0;
    margin: 0;
    background: none;
    box-shadow: none;
    width: 30%;
  }
    .header-links{
        display: none;
    }
.co-btn{
    display: none;
}

.he-dropdown {
    display: none;
}


  .logo {
    font-size: 1.2rem;
  }
  .logo-text {
    font-size: 1.3rem;
  }
  

  .logo img {
      width: 35px;
      height: auto;
      border-radius: 50%;
    }    

  .hero {
    width: 100%;
    height: 100vh;
    /* 画面 */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: -1;
  }

  .overlay {
    width: 100%;
    height: 110%;
    position: absolute;
    top: 0;
    left: 0;
    /* 応じて調整 */
    padding: 60px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .overlay h2 {
    font-size: 4rem;
  }

  .overlay p {
    font-size: 2rem;
  }

  .concept {
    flex-direction: column;
    text-align: center;
    margin: 0;
    height: auto;
    padding: 0;
    gap: 0;
    padding-top: 100px;
    position: relative;
    z-index: -1;
  }

  .concept-img {
      padding: 0;
      margin: 0;
      right: 0;
  }
  .concept-img img{
    padding: 0;
      margin: 0;
      width: 80%;
      height: auto;
      object-fit: cover;
  }

  .concept-text h2{
      margin: 0;
      padding: 0;
      text-align: center;
      font-size: 2rem;
  }
  .concept-text h3 {
      text-align: center;
    font-size: 1.9rem;
    padding-top: 10px;
    padding-bottom: 20px;
  }

  .concept-text h2 span{
      display: block;
      height: 0;
    }
    

  .concept-text p {
    margin: 0;
    font-size: 0.9rem;
    padding: 0 20px;
  }


  .concept-text p span{
      display: none;
  }



  .st-list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    padding-bottom: 100px;
}

.st-list ul {
    display: flex;
    flex-direction: column;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 15px;
    flex-wrap: wrap;
}


  .st-item{
    display: flex;
    flex-direction: row; 
    gap: 10px;
  }


  .strengths-text p span{
      display: none;
  }


  .strengths-text p{
      font-size: 0.9rem;
      padding: 0;
      margin: 0;
  }

.st-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 10px;

}


  .st-item {
    margin: 0;
  }

  .st-text{
    padding-left: 10px;
      display: flex;
      flex-direction: column;
      gap: 10px;
  }


  .st-text h3{
    text-align: left;
    font-size: 1.35rem;
      margin:0;
  }

  .st-text p{
    text-align: left;
      font-size: 0.7rem;
      padding: 0;
      margin: 0;
  }

  .st-item img{
      width: 60px;
      height: auto;
      margin-bottom: 10px;
      pointer-events: none;
      padding: 10px;
  }

  .contents h2 {
      text-align: center;
    font-size: 3.5rem;
    padding-bottom: 20px;
  }

  .content-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .content-item p {
    font-size: 1.2rem;
  }

  .content-item a {
    font-size: 1.5rem;
    width: 110px;
  }

  footer {
    padding: 30px;
    font-size: 0.8rem;
  }

}