body{
  background-color: var(--color-black);
  color: #f0f0f0;
  font-family: 'Orbitron', sans-serif;
  margin: 0;
  padding: 0;
}


/* ナビ全体 */
.top-nav {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.1s ease, padding 0.1s ease;
  background-color: #1b1b1b;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 0 24px; 
  z-index: 1000;
  position: relative;
}

.top-nav.open {
  max-height: 1000px;
  padding: 24px 24px;
}

/* ハンバーガー */
.hamburger {
  display: block;
  position: absolute;
  top: 24px;
  right: 24px;
  width: 32px;
  height: 24px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  z-index: 9999;
}

.hamburger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.hamburger span:nth-child(1) {
  top: 0;
}

.hamburger span:nth-child(2) {
  top: 10.5px;
}

.hamburger span:nth-child(3) {
  top: 21px;
}

/* アニメーション時 */
.hamburger.open span:nth-child(1) {
  transform: rotate(45deg);
  top: 10.5px;
  background: var(--color-lightblue);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg);
  top: 10.5px;
  background: var(--color-lightblue);
}

/* ハンバーガー見た目切り替え */
.hamburger.open {
  transform: rotate(90deg);
  color: var(--color-lightblue);
  transition: transform 0.1s ease, color 0.1s ease;
}

/* ロゴ画像 */
.site-logo img {
  height: 50px;
  width: auto;
  display: block;
}

/* ロゴ＋ナビの並び */
.site-title {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex-wrap: wrap;
  font-weight: bold;
  overflow: hidden;
}

/* Gallery / Sparkle 表示行 */

.nav-group {
  display: grid;
  padding: 0px;
  grid-template-columns: 70px 1fr; 
  column-gap: 25px;
  row-gap: 10px;
  align-items: start;
  margin-bottom: 16px;
  align-items: baseline;
}

.nav-label {
  font-weight: bold;
  color: var(--color-white);
  cursor: default;
  font-size: 14px;
  white-space: nowrap;
  width: 70px;
  text-align: right;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
}

/* ナビ内リンク */
.site-title a {
  font-size: 18px;
  line-height: 1;
  color: var(--color-white);
  text-decoration: none;
  font-weight: bold;
  padding-right: 20px;
}

/* アクティブ状態のリンク */
.site-title a.active {
  color: #808080;
}

/* ホバー時のスタイル */
.site-title a:hover,
.site-title a.active:hover {
  color: var(--color-lightblue);
}

.top-nav a {
  cursor: pointer;
}

h1 {
    text-align: center;
    color: var(--color-lightblue);
    margin-bottom: 40px;
    margin-top: 40px;
    font-size: 35px;
}

.report {
  font-family: 'Kiwi Maru', serif;
  margin-top: 48px;
  margin-bottom: 48px;
  margin-left: 50px;
  margin-right: 50px;
  padding: 24px;
  background: #1e1e1e;
  border-radius: 10px;
}

.report h2 {
  color: var(--color-lightblue);
  margin-top: 60px;
  margin-bottom: 50px;
  padding-left: 55px;
}

.report p {
  padding-top: 30px;
  padding-left: 80px;
  padding-right: 80px;
  line-height: 1.7;
  font-size: 15px;
  color: var(--color-white);
}

.report-images {
  display: flex;
  gap: 12px;
  margin: 12px 0;
  justify-content: center;
  flex-wrap: wrap;
}

.report-images img {
  max-width: 100%;
  width: 30%; 
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  height: auto;
  object-fit: contain; 
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 30px 50px;
}

.tag-list button {
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  background-color: #333;
  color: var(--color-white);
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}

.tag-list button:hover {
  color: var(--color-lightblue);
}

.lang-ja .lang-en {
  display: none;
}

.lang-en .lang-ja {
  display: none;
}


/* @media (prefers-color-scheme: light) {

  body {
    background-color: #FFFFFF;
    color: #000000;
  }

  h1 {
    text-align: center;
    color: #5db14e;
    margin-bottom: 40px;
    margin-top: 40px;
    font-size: 35px;
  }
    
  .top-nav {
    background-color: #f8f8f8;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  }

  .site-title a {
    color: #222;
  }

  .site-title a:hover,
  .site-title a.active:hover {
    color: #5db14e;
  }

  .nav-label {
    color: #222;
  }

  .hamburger span {
    background: #000000;
  }

  .hamburger.open span:nth-child(1),
  .hamburger.open span:nth-child(3) {
    background: #5db14e;
  }

  .report {
    background: #f5f5f5;
  }

  .report h2 {
    color: #5db14e;
  }

  .report p {
    color: #000;
  }

  .tag-list button {
    background-color: #f8f8f8;
    color: #222;
  }

  .tag-list button:hover {
    color: #4caf50;
  }
} */

/* 新しいページを作るときの表示 */
  .coming-soon h2 {
    display: flex;
    justify-content: center;
    align-items: center;    
    font-size: 24px;
    color: #555;
    margin-top: 200px;
    margin-bottom: 30px;
  }

  .coming-soon p {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    margin-bottom: 200px;
    color: #555;
  }

  .coming-soon a {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 12px;
    color: #555;
  }

@media (max-width: 660px) {

  h1 {
    font-size: 30px;
  }

  .nav-group {
    column-gap: 20px;
    grid-template-columns: 50px 1fr; 
    margin-bottom: 0px;
  }

  .nav-links a {
    line-height: 1.5;
  }

  .nav-label {
    font-size: 10px;
    width: 50px;
  }

  .site-title a {
    font-size: 12.5px;
    padding-right: 15px;
  }

  .site-logo img {
    height: 35px;
  }

  .hamburger {
    top: 25px;
    right: 18px;
    width: 28px;
    height: 20px;
  }

  .hamburger span {
    height: 2px;
  }

  .hamburger span:nth-child(1) {
    top: 0;
  }

  .hamburger span:nth-child(2) {
    top: 9px;
  }

  .hamburger span:nth-child(3) {
    top: 18px;
  }

  .hamburger.open span:nth-child(1),
  .hamburger.open span:nth-child(3) {
    top: 9px;
  }

    .report {
        margin-left: 8px;
        margin-right: 8px;
        padding: 8px;
        margin-bottom: 28px;
    }

    .report h2 {
        margin-top: 30px;
        /* margin-bottom: px; */
        padding-left: 30px;
        padding-right: 30px;
        font-size: 16px;
    }

    .report p {
    padding-top: 10px;
    padding-left: 20px;
    padding-right: 20px;
    line-height: 1.5;
    font-size: 13px;
    }

    .report-images {
        gap: 3px;
        /* margin: 1px 0; */
    }

}