@charset "UTF-8";

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

body {
  background-image: url("../image/noise_white.png");
  display: block;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  height: auto;
  text-align: center;
}

h1,
h2,
strong,
footer {
  font-family: "Yuji Boku", serif;
}

.card {
  background-image: url("../image/noise_white.png");
  max-width: 1100px;
  border-radius: 5px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  padding: 40px;
  margin: 0 auto;
}

.card-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.required {
  color: red;
  font-weight: 500;
}

.preview-img {
  width: 400px;
  max-width: 100%;
  border-radius: 10px;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}

.text-area {
  flex: 1;
  text-align: left;
}

.text-area p {
  margin: 20px 0;
  line-height: 1.8;
  font-size: 1.5em;
}

.card h1 {
  font-size: 2.2em;
}

.preview-img:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

a.button {
  display: inline-block;
  margin-top: 20px;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 6px;
  transition: background 0.3s;
}

.back-to-top {
  text-align: center;
  margin-top: 30px;
}

.top-button {
  display: inline-block;
  background-color: #caced2;
  color: #333;
  padding: 8px 20px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 0.9rem;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.top-button:hover {
  background-color: #f0f8ff;
  transform: scale(1.05);
}

.footer-container {
  scroll-snap-align: start;
  background-image: url("../image/noise_white.png");
}
.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  background-image: url("../image/noise_white.png");
  text-align: right;
  padding: 20px 10px;
  font-size: 0.9em;
  transition: opacity 0.5s ease;
  border-radius: 5px;
}
.sns-links {
  display: flex;
  justify-content: flex-end;
  gap: 20px;
  margin-bottom: 10px;
}
.sns-icon {
  width: 28px;
  height: 28px;
  transition: transform 0.3s ease;
}
.sns-icon:hover {
  transform: scale(1.2);
}
.site-footer p {
  font-size: 0.9rem;
  color: #333;
}

@media screen and (max-width: 599px) {
  body {
    height: auto;
    padding: 20px 10px;
  }

  .card {
    padding: 20px;
    width: 100%;
    box-shadow: none;
  }

  .card h1 {
    font-size: 1.6em;
    margin-bottom: 20px;
  }

  .card-content {
    flex-direction: column;
    gap: 20px;
  }

  a.button {
    margin-top: -10px;
  }

  .preview-img {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }

  .text-area {
    text-align: left;
  }

  .text-area p {
    font-size: 1em;
    margin: 10px 0;
  }

  .top-button {
    font-size: 1rem;
    padding: 10px 30px;
  }

  .footer-container {
    background-color: #f0f8ff;
  }

  .site-footer {
    background-image: url("../image/noise_white.png");
    max-width: 1100px;
    margin: 0 auto;
    border-radius: 5px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-wrap: wrap;
  }

  .site-footer p {
    font-size: 0.8rem;
    color: #333;
  }

  .sns-links {
    display: flex;
    gap: 20px;
  }

  .sns-icon {
    width: 25px;
    height: 25px;
    transition: transform 0.3s ease;
  }

  .sns-icon:hover {
    transform: scale(1.2);
  }
}