:root {
  --primary: #0066cc;
  --primary-light: #e6f0fb;
  --accent: #ff7f32;
  --text: #111;
  --bg: #fff;
  --font-jp: "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
}

* {
  box-sizing: border-box
}

body {
  margin: 0;
  font-family: var(--font-jp);
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.7;
  scroll-behavior: smooth
}

a {
  color: var(--primary);
  text-decoration: none
}

header {
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000
}

.container {
  width: min(1200px, 90%);
  margin: 0 auto
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .8rem 0
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: .05em
}

.nav-toggle {
  display: none
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 22px;
  cursor: pointer
}

.hamburger span {
  display: block;
  height: 3px;
  background: #fff;
  border-radius: 3px
}

nav {
  display: flex
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.2rem;
  align-items: center
}

nav a {
  color: #fff;
  font-weight: 500
}

.phone {
  display: flex;
  align-items: center;
  gap: .3rem;
  font-weight: 600
}

.phone a {
  color: #fff;
  font-size: 1rem
}

@media(max-width:768px) {

  /* .hamburger{display:flex} */
  nav {
    display: none;
    width: 100%;
    background: var(--primary)
  }

  nav ul {
    flex-direction: column;
    gap: 0
  }

  nav ul li {
    border-top: 1px solid rgba(255, 255, 255, .25);
    text-align: center
  }

  nav ul li:first-child {
    border-top: 0
  }

  nav a {
    display: block;
    padding: .9rem 0
  }

  .nav-toggle:checked+label+nav {
    display: block
  }

  .phone {
    display: none
  }
}

#hero {
  background: var(--primary-light);
  padding: 4rem 0 3rem;
  text-align: center
}

#hero h1 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  margin-bottom: 1.2rem;
  color: var(--primary);
  line-height: 1.4
}

#hero p {
  margin-bottom: 2rem;
  font-size: 1.1rem
}

.cta-btn {
  background: var(--accent);
  color: #fff;
  padding: .9rem 2rem;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: opacity .25s
}

.cta-btn:hover {
  opacity: .9
}

section {
  padding: 3.5rem 0
}

section:nth-of-type(even) {
  background: var(--primary-light)
}

h2 {
  font-size: 1.75rem;
  margin-bottom: 1.2rem;
  color: var(--primary);
  text-align: center
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem
}

.card {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .08);
  padding: 1.5rem;
  text-align: center
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 6px
}

.card h3 {
  font-size: 1.1rem;
  margin: .8rem 0 .5rem;
  color: var(--primary)
}

.price-table {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 2rem
}

.price-box {
  flex: 1 1 220px;
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .08);
  text-align: center
}

.price-box h3 {
  margin: 0 0 .5rem;
  color: var(--primary);
  font-size: 1.1rem
}

.price-box p {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600
}

.faq-item {
  margin-bottom: 1.2rem
}

.faq-q {
  font-weight: 600
}

form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem
}

input[type=text],
input[type=email],
textarea {
  padding: .8rem 1rem;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  width: 100%;
  resize: vertical
}

textarea {
  height: 160px
}

.submit-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 1rem;
  font-size: 1rem;
  border-radius: 50px;
  cursor: pointer;
  transition: opacity .25s
}

.submit-btn:hover {
  opacity: .9
}

footer {
  background: #222;
  color: #ddd;
  padding: 2rem 0;
  font-size: .9rem
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center
}

footer a {
  color: #fff;
  font-weight: 500
}

.top-btn {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: .7rem 1.1rem;
  font-size: .9rem;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .3);
  display: none;
  z-index: 1000
}

.top-btn.show {
  display: block
}