/* ===== 全体 ===== */
body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background: linear-gradient(#0a2540, #071a2f);
  color: #fff;
}

/* ===== コンテナ ===== */
.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

/* ===== ヘッダー ===== */
.header {
  position: sticky;
  top: 0;
  background: rgba(10,37,64,0.9);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.nav a {
  color: #fff;
  margin-left: 15px;
  text-decoration: none;
  position: relative;
}

/* 下線アニメ */
.nav a::after {
  content: "";
  width: 0;
  height: 2px;
  background: #00aaff;
  position: absolute;
  left: 0;
  bottom: -5px;
  transition: 0.3s;
}

.nav a:hover::after {
  width: 100%;
}

.cta {
  background: #00aaff;
  padding: 6px 12px;
  border-radius: 5px;
}

/* ===== HERO ===== */
.hero {
  padding: 100px 0;
}

.hero-wrap {
  display: flex;
  align-items: center;
  gap: 40px;
}

.hero-text {
  flex: 1;
}

.hero-img img {
  width: 100%;
  border-radius: 10px;
  transition: 0.3s;
}

.hero-img img:hover {
  transform: scale(1.05);
}

/* ===== セクション ===== */
.section {
  padding: 80px 0;
  text-align: center;
}

.bg {
  background: rgba(255,255,255,0.05);
}

/* ===== サービス ===== */
.service-wrap {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.service-card {
  background: rgba(255,255,255,0.08);
  padding: 30px;
  width: 300px;
  border-radius: 10px;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: 0.3s;
}

.service-card:hover {
  transform: translateY(-10px);
  background: rgba(255,255,255,0.15);
}

.desc {
  color: #00aaff;
  margin-bottom: 15px;
}

/* ===== 料金 ===== */
.price-wrap {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.price-card {
  background: rgba(255,255,255,0.08);
  padding: 30px;
  border-radius: 10px;
  width: 250px;
  transition: 0.3s;
}

.price-card:hover {
  transform: translateY(-10px);
}

.price-num {
  font-size: 22px;
  color: #00aaff;
}

/* ===== CTA ===== */
.cta-area {
  text-align: center;
  padding: 60px 20px;
}

/* ===== ボタン ===== */
.btn {
  display: inline-block;
  background: #00aaff;
  padding: 12px 24px;
  border-radius: 5px;
  color: #fff;
  text-decoration: none;
  transition: 0.3s;
}

.btn:hover {
  transform: scale(1.05);
}

.btn.small {
  padding: 8px 14px;
  font-size: 14px;
}

.btn.big {
  font-size: 18px;
}

/* ===== 戻るボタン ===== */
.back-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #00aaff;
  padding: 10px;
  border-radius: 50%;
  color: #fff;
}

/* ===== フッター ===== */
.footer {
  text-align: center;
  padding: 20px;
}

/* ===== スマホ ===== */
@media (max-width: 768px) {

  .hero-wrap {
    flex-direction: column;
  }

  .nav-wrap {
    flex-direction: column;
  }

}