/* ------------------------------
   Base
------------------------------ */
body {
  margin: 0;
  font-family: "Hiragino Sans", "Noto Sans JP", sans-serif;
  color: #333;
  line-height: 1.7;
  background: #fafafa;
}

img {
  max-width: 100%;
}

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

h1, h2, h3, h4 {
  margin: 0 0 16px;
  font-weight: 600;
}

.section {
  padding: 80px 0;
}

.section-light {
  background: #f5f7fb;
}

.section-title {
  font-size: 32px;
  text-align: center;
  margin-bottom: 40px;
}

.section-lead {
  text-align: center;
  margin-bottom: 40px;
  font-size: 18px;
  color: #555;
}

/* ------------------------------
   Header
------------------------------ */
.site-header {
  background: #fff;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.logo-main {
  font-size: 24px;
  font-weight: 700;
}

.logo-sub {
  font-size: 12px;
  color: #777;
  margin-left: 4px;
}

.nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #333;
  font-size: 14px;
}

.nav-cta {
  padding: 8px 16px;
  background: #4a7dfc;
  color: #fff !important;
  border-radius: 6px;
}

/* ------------------------------
   Hero
------------------------------ */
.hero {
  background: #eef3ff;
  padding: 100px 0;
}

.hero-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.hero-text {
  flex: 1;
  min-width: 300px;
}

.hero-label {
  color: #4a7dfc;
  font-weight: 600;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: 40px;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 18px;
  margin-bottom: 30px;
  color: #555;
}

.hero-buttons .btn {
  margin-right: 12px;
}

.hero-visual {
  flex: 1;
  min-width: 300px;
  text-align: center;
}

.hero-circle-1,
.hero-circle-2 {
  width: 180px;
  height: 180px;
  background: #dfe8ff;
  border-radius: 50%;
  position: absolute;
  z-index: -1;
}

.hero-circle-1 {
  top: 40px;
  right: 20%;
}

.hero-circle-2 {
  bottom: 40px;
  left: 10%;
}

.hero-illustration {
  background: #fff;
  padding: 40px;
  border-radius: 16px;
  display: inline-block;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.hero-badge {
  display: inline-block;
  background: #4a7dfc;
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  margin-bottom: 12px;
}

/* ------------------------------
   Buttons
------------------------------ */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}

.btn.primary {
  background: #4a7dfc;
  color: #fff;
}

.btn.secondary {
  background: #fff;
  border: 2px solid #4a7dfc;
  color: #4a7dfc;
}

/* ------------------------------
   Problem
------------------------------ */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.problem-item {
  background: #fff;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* ------------------------------
   Features
------------------------------ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  margin-bottom: 40px;
}

.feature-item {
  background: #fff;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.feature-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.feature-panel {
  flex: 1;
  min-width: 280px;
  background: #fff;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* ------------------------------
   Benefits
------------------------------ */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.benefit-item {
  background: #fff;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* ------------------------------
   Price
------------------------------ */
.price-card {
  max-width: 500px;
  margin: 0 auto;
  background: #fff;
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  text-align: center;
}

.price-main {
  font-size: 32px;
  margin-bottom: 20px;
  color: #4a7dfc;
}

.price-list {
  text-align: left;
  margin: 0 auto 20px;
  max-width: 300px;
}

.price-note {
  font-size: 14px;
  color: #777;
}

/* ------------------------------
   Flow
------------------------------ */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.flow-step {
  background: #fff;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.flow-step-number {
  display: inline-block;
  background: #4a7dfc;
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

/* ------------------------------
   FAQ
------------------------------ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  padding: 24px;
  border-radius: 12px;
  margin-bottom: 16px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* ------------------------------
   Contact
------------------------------ */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-row {
  margin-bottom: 20px;
}

.form-row label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 15px;
}

/* ------------------------------
   Footer
------------------------------ */
.site-footer {
  background: #fff;
  border-top: 1px solid #eee;
  padding: 40px 0;
  text-align: center;
}

.footer-logo .logo-main {
  font-size: 20px;
  font-weight: 700;
}

.footer-logo .logo-sub {
  font-size: 12px;
  color: #777;
}