/* =========================
   Reset
========================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #222;
  background: #ffffff;
}

a {
  text-decoration: none;
  color: #0077cc;
}

a:hover {
  opacity: 0.8;
}

/* =========================
   Layout
========================= */
.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

/* =========================
   Header
========================= */
.site-header {
  background: #111;
  color: #fff;
  padding: 15px 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ロゴ */
.site-logo {
  height: 100px;   /* PCサイズ */
  width: auto;
  display: block;
}

/* ナビ */
.site-header nav {
  margin-top: 0;
}

.site-header nav a {
  color: #fff;
  margin-left: 20px;
  font-size: 14px;
}

/* スマホ用 */
@media (max-width: 768px) {
  .site-logo {
    height: 50px;
  }

  .site-header nav a {
    font-size: 13px;
    margin-left: 12px;
  }
}
/* =========================
   Hero
========================= */
.hero {
  padding: 80px 0;
  text-align: center;
  background: #f5f7fa;
}

.hero h2 {
  font-size: 32px;
  margin-bottom: 10px;
}

.hero p {
  font-size: 18px;
  color: #555;
}

/* =========================
   Sections
========================= */
.apps-section {
  padding: 60px 0;
}

.apps-section h2 {
  font-size: 24px;
  margin-bottom: 30px;
}

/* =========================
   App Grid
========================= */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

/* =========================
   App Card – Apple風
========================= */

.app-card {
  background: #ffffff;
  border-radius: 20px;
  padding: 28px 24px 30px 24px;
  text-align: center;
  border: 1px solid #f0f0f0;
  transition: all 0.25s ease;
}

.app-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  border-color: #e5e5e5;
}

/* アイコン */
.app-icon {
  width: 96px;
  height: 96px;
  border-radius: 22%;
  object-fit: contain;
  margin-bottom: 18px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
  transition: transform 0.2s ease;
}

.app-card:hover .app-icon {
  transform: scale(1.05);
}

/* アプリ名 */
.app-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

/* 説明文 */
.app-card p {
  font-size: 14px;
  color: #666;
  margin-bottom: 18px;
}

/* ボタン */
.btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: 14px;
  border-radius: 999px;
  background: #111;
  color: #fff;
  transition: all 0.2s ease;
}

.btn:hover {
  background: #333;
}

/* =========================
   Footer
========================= */
.site-footer {
  padding: 30px 0;
  background: #111;
  color: #fff;
  text-align: center;
  font-size: 14px;
}

.site-footer a {
  color: #fff;
  margin-left: 10px;
}

/* =========================
   App Detail Icon
========================= */
.app-icon-large {
  width: 140px;
  height: auto;
  margin: 0 auto 24px auto;
  display: block;
  border-radius: 22%;
  box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}