:root {
  --black: #333;
  --white: #fff;
  --footer-bg: #f7f7f7;
  --border: #777;
  --border-light: #eee;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 100%;
}

body {
  color: var(--black);
  font-size: 14px;
  line-height: 1.7;
}

a {
  color: var(--black);
  text-decoration: none;
}

img {
  max-width: 100%;
}

li {
  list-style: none;
}

.site-title {
  line-height: 1px;

  a {
    display: block;
  }
}

.sec-title {
  font-size: 36px;
  margin-bottom: 30px;
  text-align: center;
}

.fadein {
  opacity: 0;
  transform: translateY(20px);
  transition: all 1s;
}

#header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  position: fixed;
  z-index: 10;
  background-color: var(--white);
}

#navi {
  position: fixed;
  top: 0;
  left: -300px;
  bottom: 0;

  width: 300px;
  padding: 60px 25px;

  background-color: var(--black);
  color: var(--white);

  overflow-y: auto;
  -webkit-overflow-scrolling: touch;

  transition: all 0.5s;
  z-index: 20;
  opacity: 0;

  a {
    color: var(--white);
  }

  ul {
    margin: 0;
    padding: 0;

    &.nav-menu {
      margin-bottom: 60px;
      border-top: 1px solid var(--border-light);

      li {
        padding: 20px 0;
        border-bottom: 1px solid var(--border-light);
      }
    }

    &.nav-sns {
      li {
        padding: 5px 0;
      }
    }
  }
}

.open {
  #navi {
    left: 0;
    opacity: 1;
  }
}

.toggle_btn {
  position: absolute;
  top: 50%;
  right: 40px;                 
  transform: translateY(-50%);
  width: 28px;
  height: 18px;                
  cursor: pointer;
  z-index: 20;

  span {
    position: absolute;
    left: 0;
    width: 28px;
    height: 2px;
    background-color: var(--black);
    border-radius: 2px;
    transition: all 0.4s ease;

    &:nth-child(1) { top: 0; }
    &:nth-child(2) { top: 8px; }
    &:nth-child(3) { top: 16px; }
  }
}

.open {
  .toggle_btn {
    span {
      background-color: var(--white);

      &:nth-child(1) {
        transform: translateY(8px) rotate(-315deg);
      }

      &:nth-child(2) {
        opacity: 0;
      }

      &:nth-child(3) {
        transform: translateY(-8px) rotate(315deg);
      }
    }
  }
}

#mask {
  display: none;
  transition: all 0.5s;
}

.open {
  #mask {
    display: block;
    position: fixed;
    top: 0;
    left: 0;

    width: 100%;
    height: 100%;

    background: #000;
    opacity: 0.8;
    z-index: 10;
    cursor: pointer;
  }
}

main {
  padding-top: 80px;
}

#video {
  width: 100%;

  video {
    width: 100%;
    max-height: 960px;
    object-fit: cover;
    display: block;
  }
}

#pickup {
  padding: 100px 0 50px;
  overflow: hidden;

  h2 {
    font-size: 36px;
    margin-bottom: 30px;
    text-align: center;
  }

  ul {
    display: flex;
    gap: 40px;
    overflow-x: auto;
    scroll-snap-type: none;
    -webkit-overflow-scrolling: touch;
    padding: 40px 10vw;
    margin: 0;
    list-style: none;
    scroll-behavior: auto;
    scrollbar-width: none; 
    &::-webkit-scrollbar {
      display: none;
    }
  }

  li {
    flex: 0 0 320px;           
    scroll-snap-align: center;
    will-change: transform;
    transition: transform 0.35s;
    position: relative;
    transform: scale(0.95);  
  }

  img {
    display: block;
    width: 100%;
    height: 200px;            
    object-fit: cover;

    border-radius: 18px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  }

  li.active {
    transform: scale(1.08);   
    z-index: 2;
  }
}



#feature {
  max-width: 1240px;
  padding: 100px 16px 50px;
  margin: -50px auto 10px;

  h2 {
    font-size: 36px;
    margin-bottom: 30px;
    text-align: center;
  }

  ul {
    padding: 0;
    margin: 0;

    display: grid;
    gap: 26px;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }

  li {
    box-shadow: 0 0 8px 4px #ccc;

    a {
      display: block;
    }

    img {
      width: 100%;
      display: block;
    }


    .category {
      font-size: 12px;
      margin: 30px 30px 20px;
    }

    .text {
      font-weight: bold;
      margin: 0 30px 20px;
    }

    .date {
      font-size: 12px;
      text-align: right;
      margin: 0 30px 30px;
    }
  }
}

#contact {
  color: var(--white);
  background-color: var(--black);
  padding: 80px 40px;          
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 60px;                   

  h2 {
    width: 100%;               
    font-size: 36px;
    margin-bottom: 30px;
    text-align: center;        
    color: var(--white);
  }

  .info,
  .form {
    width: 45%;
  }

  
  .info { order: 1; }
  .form { order: 2; }

  form {
    width: 100%;

    label {
      display: block;
      margin-bottom: 5px;
      font-size: 12px;
    }

    input,
    textarea {
      width: 100%;
      padding: 10px;
      margin-bottom: 20px;
      background-color: var(--white);
      border: none;
      outline: none;
      font-size: 14px;
    }

    textarea {
      min-height: 140px;
      resize: vertical;
    }
  }

  .contact__button {
    width: 200px;
    display: block;            
    margin: 10px auto 0;      
    color: var(--white);
    background-color: var(--black);
    border: 1px solid var(--white);
    padding: 12px 0;
    cursor: pointer;

    &:hover {
      color: #202020;
      background-color: var(--white);
    }
  }
}

#footer {
  background-color: var(--black);
  color: var(--white);
  text-align: center;
  padding: 10px;
  font-size: 12px;

  p {
    margin: 0;
  }
}

#navi {
  ul.menu {
    margin-bottom: 60px;
    border-top: 1px solid var(--border-light);

    li {
      padding: 20px 0;
      border-bottom: 1px solid var(--border-light);
    }
  }

  ul.sns {
    li {
      padding: 5px 0;
    }
  }
}

@media screen and (max-width: 600px) {
  #pickup h2,
  #feature h2,
  #contact h2 {
    font-size: 24px;
    margin-bottom: 20px;
  }


  #header {
    padding: 20px 16px;
  }

  .toggle_btn {
    right: 20px;
  }

  #video video {
    width: 100%;
    height: 100vh;
    object-fit: cover;
  }

  #pickup {
    padding: 80px 0;

    ul {
      gap: 20px;
      padding: 20px 8vw;
    }

    li {
      flex: 0 0 240px;
    }

    img {
      height: 160px;
    }
  }

  #feature {
    padding: 80px 16px;
    margin: -50px auto 10px;

    li {
      .category {
        margin: 16px 16px 12px;
      }

      .text {
        margin: 0 16px 16px;
      }
    }
  }

  #contact {
    flex-direction: column;

    .info,
    .form {
      width: 100%;
    }

    .contact__button {
      width: 100%;
    }
  }
}