body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #fefefe;
  color: #333;
}

a {
  color: #fff;
  text-decoration: none;
}

a:hover {
  opacity: 0.5;
}

li {
  list-style: none;
}

img {
  width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 10px 0 10px;
}

h2 {
  font-size: 24px;
  color: #333;
  margin: 20px 0;
}

h3 {
  font-size: 20px;
  padding: 20px 0;
}

/* header---------- */

header {
  background-color: #fdeac3;
  padding: 10px 20px;
}

nav ul {
  display: flex;
  justify-content: flex-end;
  padding: 0;
}

nav ul li {
  margin: 0 10px;
}

nav ul li a {
  font-size: 24px;
  font-weight: bold;
  color: #333;
}

/* main---------------------- */

#home {
  text-align: center;
  padding: 100px 20px;
  background: linear-gradient(to bottom, #fdeac3, #f7d9e1);
}

#home  h2 {
  font-size: 42px;
}

.name {
  text-align: center;
  font-size: 24px;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 1s;
}

@keyframes slide-down {
  from {
      transform: translateY(-40%);
  }
  to {
      transform: translateY(0);
  }
}

/* WORKS----------------- */

#projects .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  padding: 20px;
}

#projects a {
  color: #333;
}

.card {
  display: block;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 10px;
  text-align: center;
  padding: 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: scale(1.05);
}

/* about-------------------- */
.wrapper {
  width: 80%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  padding-bottom: 30px;
}

.box {
  width: 150px;
}

/* お問い合わせセクション */

form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  padding-block: 30px;
}

form input, form textarea {
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 10px;
  font-size: 1em;
}

form button {
  background-color: #e6b8c7;
  border: none;
  padding: 10px;
  font-size: 1em;
  color: #fff;
  cursor: pointer;
  border-radius: 5px;
}

form button:hover {
  background-color: #f7d9e1;
}

footer {
  text-align: center;
}


@media (max-width: 768px) {
  .hamburger {
    width: 50px;
    height: 50px;
    transition: 0.5s;
    cursor: pointer;
    position: fixed;
    top: 0;
    right: 0;
    z-index: 50;
    background-color: #333;
  }
  
  .hamburger span {
    display: block;
    width: 50%;
    height: 3px;
    background-color: #fff;
    transition: all 0.5s;
    position: absolute;
    left: 25%;
  }
  
  .hamburger span:nth-child(1) {
    top: 35%;
  }
  
  .hamburger span:nth-child(2) {
    top: 50%;
  }
  
  .hamburger span:nth-child(3) {
    top: 65%;
  }
  
  .hamburger:hover {
    opacity: 0.7;
  }
  
  .open .hamburger span:nth-child(1) {
    top: 50%;
    transform: rotate( -45deg);
  }
  
  .open .hamburger span:nth-child(2),
  .open .hamburger span:nth-child(3) {
    top: 50%;
    transform: rotate( 45deg);
  }

  .mask {
    display: none;
    transition: all .5s ;
  }

  .open .mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #333;
    opacity: 0.7;
    display: block;
    z-index: 15;
  }

  nav {
    width: 150px;
    position: fixed;
    top: 0; 
    transition: all .5s;
    opacity: 0;
    z-index: 100;
    visibility: hidden;
  }
  
  .open nav {
    opacity: 1;
    left: 0;
    z-index: 200;
    visibility: visible;
  }

  nav ul {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }

  nav ul li a {
    color: #fff;
  }

  h2, h3 {
    padding-block: 20px;
  }

  .wrapper {
    flex-direction: column;
  }

  
.left-contents {
  width: 100%;
}

.right-contents {
  width: 100%;
}

  #projects .grid {
    grid-template-columns: 1fr;
  }

  .wrapper {
    width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .box {
    margin: 0 auto;
    margin-bottom: 20px;
  }
}