body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    text-align: center;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s, transform 1s;
    border-radius: 8px;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* レスポンシブデザイン */
@media (min-width: 768px) {
    .container {
        width: 80%;
    }

    .fade-in {
    }
}

@media (min-width: 992px) {
    .container {
        width: 70%;
    }

    .fade-in {
    }
}

h1 {
  margin: 0 auto;
  padding: 50px 0 100px;
  width: 60%;
}
  h1 img {
    max-width: 100%;
    height: auto;
  }
h2 {
  color: #595656;
  padding: 20px 0;
}
.img {
  margin: 0 auto;
  width: 100%;
}
  .img img {
    max-width: 100%;
  }
.mail {
  padding: 50px 0;
}
@media (min-width: 768px) {
  h1 {
    width: 80%;
  }

  img {
    max-width: 100%;
    height: auto;
  }
  .img {
    width: 40%;
  }
}
@media (min-width: 992px) {
  h1 {
    width: 50%;
  }
  .img {
    width: 60%;
  }
  .img02 {
    width: 40%;
  }

}

.btn,
a.btn,
button.btn {
  font-size: 1.2em;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  display: inline-block;
  padding: 1rem 4rem;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  color: #212529;
  border-radius: 0.5rem;
}

.btn--orange,
a.btn--orange {
  color: #fff;
  background-color: #2ca559;
}

.btn--orange:hover,
a.btn--orange:hover {
  color: #fff;
  background: #2ca559;
}

a.btn--radius {
  border-radius: 100vh;
}

#footer {
  font-size: 0.8em;
  color:#444;
}