body {
  margin: 0;
  padding: 0;
  font-family: "Helvetica", "Helvetica Neue", Arial, sans-serif;
  background-color: #fff;
  color: #333;
}

.about-container {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  padding: 60px 20px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 40px;
  flex-wrap: nowrap;
  font-weight: 200;
}

.about-container .image {
  width: 40%;
  max-width: 300px;
}

.about-container .image img {
  width: 100%;
  height: auto;
}

.about-container .text {
  width: 60%;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.about-container .text h2 {
  font-size: 6em;
  font-weight: 100;
  margin: 0 0 0.6em 0;
}

.about-container .text p {
  font-size: 1.1em;
  line-height: 1.6;
  margin: 0 0 0.5em 0;
}

.about-container .text p:nth-of-type(2) {
  margin-bottom: 2em;
}

/* ハンバーガーメニューのボタン（PCは非表示） */
.menu-toggle {
  display: none;
  font-size: 2.5em;
  color: #333;
  cursor: pointer;
  user-select: none;
  padding: 0 15px;
  align-self: center;
  z-index: 1100;
}

/* スマホ用 */
@media (max-width: 768px) {
  .about-container {
    flex-direction: column;
    align-items: center;
  }

  .about-container .image,
  .about-container .text {
    width: 80%;
  }

  .about-container .image {
    margin-bottom: 20px;
  }

  .about-container .text {
    text-align: center;
  }

  /* ハンバーガーメニュー表示 */
  .menu-toggle {
    display: block;
    color: white; /* 白色に */
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1500; /* 十分高く */
  }

  /* ナビリンクは非表示にしつつ場所は確保 */
  .navbar .right {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    position: absolute;
    top: 50px; /* ハンバーガーメニューのすぐ下 */
    right: 0;
    background: white;
    width: 200px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    flex-direction: column;
    padding: 0 0; /* 開いた時 padding 下で調整 */
    z-index: 1400;
  }

  /* メニューがオープンの時 */
  .navbar .right.active {
    max-height: 1000px; /* 十分大きく */
    opacity: 1;
    padding: 10px 0;
    display: flex; /* これでflex化 */
  }

  .navbar .right a {
    color: #333;
    padding: 12px 20px;
    font-size: 1.2em;
    border-bottom: 1px solid #ddd;
  }

  .navbar .right a:last-child {
    border-bottom: none;
  }
}