body, html {
  margin: 0;
  padding: 0;
  font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
  line-height: 1.6;
  background: #fff;
  color: #333;
}

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}
.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

section {
  padding: 4rem 2rem;
  max-width: 960px;
  margin: auto;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-title {
  font-size: 2rem;
  margin-bottom: 1rem;
  font-weight: bold;
  text-align: center;
}

.media-block {
  display: flex;
  gap: 2rem;
  align-items: center;
  margin: 2rem 0;
}
.media-block img {
  width: 45%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.media-block.left img { order: 0; }
.media-block.right img { order: 1; }
.media-block.left p { order: 1; }
.media-block.right p { order: 0; }

footer {
  background: #333;
  color: #fff;
  padding: 1rem;
  text-align: center;
}
form {
  display: flex;
  flex-direction: column;
}
form input, form textarea {
  padding: 0.5rem;
  margin: 0.5rem 0 1rem;
  font-size: 1rem;
  width: 100%;
}
form button {
  padding: 0.75rem;
  font-size: 1rem;
  background: #444;
  color: #fff;
  border: none;
  cursor: pointer;
}
form button:hover {
  background: #666;
}
table {
    width: 100%;
    border-collapse: collapse;
    table-layout: auto;
    word-wrap: break-word;
  }

  td {
    padding: 8px;
    vertical-align: middle;
    font-size: 1rem;
    text-align: left;
  }

  .big {
    font-size: 1.2rem;
  }

  @media screen and (max-width: 600px) {
    table, tr, td {
      display: block;
      width: 100%;
    }

    td {
      font-size: 1rem;
      padding: 6px 0;
    }

    .big {
      font-size: 0.8rem;
    }


     .media-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: left;
  }

  .media-block img {
    width: 100%;
    height: auto;
    margin-bottom: 10px;
  }

  .media-block p {
    width: 100%;
  }

  .media-block.left,
  .media-block.right {
    flex-direction: column;
  }
  }