/* ===========================
   基本設定
=========================== */
body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #111;
  background: #fff;
}

/* ===========================
   ヘッダー
=========================== */
header {
  background: #000;
  color: #fff;
  padding: 1rem 2rem;
  display: flex;
  align-items: center; /* タイトルとロゴを縦方向で中央揃え */
}

header div strong {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: 2px;
}

header a {
  margin-left: auto;  /* ロゴを右端に押し出す */
  display: flex;
  align-items: center;
}

.header-logo {
  height: 40px;
  width: auto;
}

.pc-logo {
  display: block;
  height: 40px;
}

.mobile-logo {
  display: none;
  height: 35px;
}

/* ===========================
   ダウンロードセクション
=========================== */
.download-section {
  text-align: center;
  padding: 3rem 1rem;
  background: #fff;
  color: #333;
}
.download-section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.download-section p {
  margin: 0.5rem 0;
}
.download-section .jp {
  font-weight: 500;
}

.download-request {
  text-align: center;
  padding: 3rem 1rem 5rem 1rem; /* 下に余白を追加 */
  background: #fff;
  color: #333;
}
.download-request p {
  margin: 0.3rem 0;
}
.download-request .en {
  font-weight: 600;
}
.download-btn {
  display: inline-block;
  margin-top: 1.2rem;
  padding: 0.8rem 2rem;
  background: #ccff00;
  color: #000;
  text-decoration: none;
  font-weight: 600;
  border-radius: 4px;
  transition: background 0.3s;
}
.download-btn:hover {
  background: #b3e600;
}

/* ===========================
   ロゴセクション
=========================== */
.logo-section {
  text-align: center;
  padding: 4rem 1rem;
  margin-bottom: -5rem;
}
.logo-image {
  width: 110px;
  max-width: 80%;
  display: block;
  margin: 0 auto 1.5rem auto;
}
.logo-text {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.logo-text .main {
  font-size: 6rem;
  font-weight: 900;
  color: #ccff00;
  letter-spacing: 2px;
}
.logo-text .sub {
  font-size: 1.4rem;
  line-height: 1.5;
  color: #ccff00;
  text-align: left;
  font-weight: 600;
}

/* ===========================
   Passion セクション
=========================== */
.passion-text {
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
  line-height: 1.8;
}

/* ===========================
   Introduction / Detail 共通
=========================== */
.introduction-section,
.detail-section {
  background: #ccff00;
  color: #000;
  padding: 3rem 2rem;
}

.intro-container,
.detail-container {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  gap: 2rem;
}

.intro-title,
.detail-title {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 1.5rem;
  font-weight: 900;
  margin: 0;
  padding: 0;
  line-height: 1;
}

.intro-text,
.detail-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.intro-text p,
.detail-text p {
  margin: 0.5rem 0;
  line-height: 1.6;
}

.detail-text strong {
  font-weight: 700;
  display: block;
  margin-top: 0.8rem;
}

/* --- Introductionだけ2カラム --- */
.intro-text {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

/* ?? 動画部分のスタイル */
.intro-video {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

.intro-video iframe {
  width: 100%;
  max-width: 800px;  /* 横幅800pxで固定 */
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  border: none;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}



/* ===========================
   Motions セクション
=========================== */
.motions-section {
  background: #fff;
  padding: 4rem 1rem;
  text-align: center;
}
.motions-container {
  max-width: 1000px;
  margin: 0 auto;
}
.circle-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0;
}
.circle {
  width: 100px;
  height: 100px;
  border: 2px solid #aaa;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 0.9rem;
  line-height: 1.2;
}
.circle.neutral {
  background-color: #ddd;
}

.cross,
.equal {
  font-size: 3rem;
  margin: 1.5rem 0;
  font-weight: bold;
}
.equal.vertical {
  display: inline-block;
  transform: rotate(90deg);
}
.total {
  font-size: 2rem;
  font-weight: 900;
  color: #000;
  margin: 2rem 0;
}
.data-icons {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}
.data-icons div {
  max-width: 200px;
}
.data-icons img {
  width: 50px;
  margin-bottom: 0.5rem;
}
.jp {
  font-size: 0.8rem;
  color: #555;
}
.note {
  font-size: 0.8rem;
  color: #666;
}
.flag-box {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin: 1rem 0;
}
.flag-box img {
  width: 40px;
  height: auto;
}

/* ===========================
   Video セクション
=========================== */
.video-section {
  padding: 3rem 1rem;
  background: #f9f9f9;
}
.video-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  max-width: 1000px;
  margin: 0 auto 2rem auto;
}
.video-item {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}
.video-item iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ===========================
   Passion Text Box
=========================== */
.passion-text-box {
  background: #f2f2f2;
  padding: 2rem;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}
.passion-text-box h3 {
  margin-bottom: 1rem;
  font-weight: 700;
}
.passion-text {
  display: flex;
  gap: 2rem;
  text-align: left;
  justify-content: center;
}
.passion-text p {
  flex: 1;
  line-height: 1.6;
}

/* ===========================
   フッター
=========================== */
footer {
  background: #000;
  color: #fff;
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.9rem;
}
footer a {
  color: #ccff00;
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}

/* ===========================
   スマホ用調整
=========================== */
@media (max-width: 768px) {
  .pc-logo {
    display: none;
  }
  .mobile-logo {
    display: block;
  }

  header div strong {
    font-size: 1.8rem;
  }

  .logo-text {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }
  .logo-text .main {
    font-size: 3.5rem;
  }
  .logo-text .sub {
    font-size: 1.1rem;
    text-align: center;
  }
  .logo-section {
    padding: 2rem 1rem;
  }
  .logo-image {
    width: 110px;
  }

  .download-section h2 {
    font-size: 1.1rem;
    line-height: 1.4;
  }

  .intro-container,
  .detail-container {
    flex-direction: column;
  }

  .intro-title,
  .detail-title {
    writing-mode: horizontal-tb;
    margin-bottom: 1rem;
  }

  /* Introduction の2カラムを縦並びに戻す */
  .intro-text {
    grid-template-columns: 1fr;
  }

  .intro-video iframe {
    max-width: 100%;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  .passion-text {
    flex-direction: column;
  }
}