:root {
  --bg-dark: #0c0c14;
  --text-main: #f0f0f5;
  --text-sub: #a0a0b5;
  --glow-color-1: #0a84ff;
  --glow-color-2: #ff758c;
  --glow-color-3: #5e5ce6;
  /* グラスモーダルのための背景透過設定 */
  --glass-bg: rgba(20, 20, 35, 0.4);
  --glass-border: rgba(255, 255, 255, 0.12);
  --accent-primary: #0a84ff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: "Noto Sans JP", sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* オーロラ背景 */
body::before {
  content: "";
  position: fixed;
  inset: -200px;
  background:
    radial-gradient(circle at 20% 20%, var(--glow-color-1), transparent 40%),
    radial-gradient(circle at 80% 30%, var(--glow-color-2), transparent 40%),
    radial-gradient(circle at 50% 80%, var(--glow-color-3), transparent 40%);
  filter: blur(120px);
  z-index: -1;
  animation: aurora-flow 15s linear infinite;
}
@keyframes aurora-flow {
  0% {
    transform: rotate(0deg) scale(1);
  }
  50% {
    transform: rotate(180deg) scale(1.2);
  }
  100% {
    transform: rotate(360deg) scale(1);
  }
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-section {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 0 20px;
}
/* タイトルをさらに際立たせるスタイル */
.page-title {
  font-size: clamp(3.5rem, 12vw, 6rem);
  font-weight: 900;
  margin-bottom: 1.5rem;
  letter-spacing: -0.04em; /* 少し詰め気味にしてモダンに */
  
  /* グラデーションテキストの設定 */
  background: linear-gradient(135deg, #fff 30%, var(--glow-color-1) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  
  /* ほんのり光らせる */
  filter: drop-shadow(0 0 20px rgba(10, 132, 255, 0.3));
  
  animation: fadeInUp 1s cubic-bezier(0.23, 1, 0.32, 1);
  transition: transform 0.4s ease;
  cursor: default;
}

/* マウスを乗せた時にふわっと動く演出 */
.page-title:hover {
  transform: scale(1.02);
  filter: drop-shadow(0 0 30px rgba(10, 132, 255, 0.5));
}
.page-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  color: var(--text-sub);
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.8;
  font-weight: 500;
  animation: fadeInUp 1.2s ease-out;
}
.page-subtitle span {
  display: inline-block;
  white-space: nowrap;
}

.cta-button {
  margin-top: 3.5rem;
  display: inline-block;
  padding: 20px 50px;
  color: white;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  transition: 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}
.cta-button:hover {
  background: #fff;
  color: #000;
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    /* ↓ここを追加：透明度の変化を滑らかにする */
    transition: opacity 0.5s ease, visibility 0.5s;
}

/* ↓新しく追加：消すためのクラス */
.scroll-indicator.fade-out {
    opacity: 0;
    visibility: hidden;
}
@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
}

.section-intro {
  text-align: center;
  margin-bottom: 60px;
  padding-top: 100px;
}
.eyecatch {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--glow-color-1);
  letter-spacing: 0.5em;
  display: block;
  margin-bottom: 10px;
}
.section-title {
  font-size: 2.8rem;
  font-weight: 900;
  margin-bottom: 20px;
}
.title-line {
  width: 60px;
  height: 3px;
  background: #fff;
  margin: 0 auto;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 80px; /* グリッド下の余白を詰めたよ */
}
.project-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 25px;
  cursor: pointer;
  transition: 0.4s;
  overflow: hidden;
}
.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at var(--mouse-x) var(--mouse-y),
    rgba(10, 132, 255, 0.25),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.project-card:hover::before {
  opacity: 1;
}
.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(10, 132, 255, 0.6);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.card-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.extension-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}
.short-desc {
  color: var(--text-sub);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* モーダル */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: 0.4s;
}
.modal.show {
  display: flex;
  opacity: 1;
}
.modal-content {
  background: rgba(25, 25, 40, 0.75);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  padding: 50px;
  border-radius: 32px;
  max-width: 680px;
  width: 90%;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6);
  
  /* ★ 追加: 長文になっても画面からはみ出さないようにスクロールさせる */
  max-height: 85vh;
  overflow-y: auto;
  
  /* スクロールバーのデザイン（Webkit系） */
  &::-webkit-scrollbar {
    width: 8px;
  }
  &::-webkit-scrollbar-track {
    background: transparent;
  }
  &::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
  }
}


.modal-header-info {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 30px;
}
.modal-icon {
  width: 72px;
  height: 72px;
  object-fit: contain;
}
.modal-title {
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
}
.modal-description {
  color: var(--text-sub);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 35px;
}
.feature-list {
  list-style: list-none;
  margin-bottom: 40px;
}
.feature-item {
  margin-bottom: 18px;
  display: flex;
  gap: 15px;
  color: #f0f0f5;
  font-size: 1.05rem;
  line-height: 1.6;
}
.feature-item::before {
  content: "✦";
  color: var(--accent-primary);
  flex-shrink: 0;
}
.close-button {
  position: absolute;
  top: 25px;
  right: 30px;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-sub);
  transition: 0.3s;
}
.close-button:hover {
  color: #fff;
  transform: rotate(90deg);
}

.store-link {
  display: block;
  text-align: center;
  background: var(--accent-primary);
  color: white;
  padding: 20px;
  border-radius: 18px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: 0.3s;
}
.store-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(10, 132, 255, 0.4);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* プライバシーポリシー用のテキストスタイル */
.policy-text h3 {
  color: #fff;
  margin-top: 24px;
  margin-bottom: 12px;
  font-size: 1.2rem;
  border-left: 4px solid var(--accent-primary);
  padding-left: 12px;
}
.policy-text h3:first-child {
  margin-top: 0;
}
.policy-text p {
  color: var(--text-sub);
  margin-bottom: 16px;
  line-height: 1.8;
  font-size: 0.95rem;
}
.policy-text ul {
  margin-bottom: 16px;
  padding-left: 20px;
  color: var(--text-sub);
}
.policy-text li {
  margin-bottom: 8px;
}

/* フッターをコンパクトかつオシャレに調整 */
.footer {
  text-align: center;
  padding: 40px 0;
  margin-top: 40px;
  border-top: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

/* コンテナで縦並びを制御 */
.footer-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

/* ★ プライバシーポリシーリンクのスタイル */
.footer-link {
  color: var(--text-sub);
  font-size: 0.9rem;
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.footer-link:hover {
  color: #fff;
  border-bottom-color: var(--accent-primary);
  text-shadow: 0 0 10px rgba(10, 132, 255, 0.4);
}

.footer p {
  color: var(--text-sub);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  opacity: 0.6; /* リンクより少し控えめに */
  transition: 0.3s;
}
.footer p:hover {
  color: #fff;
  opacity: 1;
}