:root {
  --blue: #2B5C8A;
  --orange: #E8913A;
  --bg-gray: #F5F5F5;
  --text: #22303d;
  --white: #ffffff;
  --benefit-bg: #FFF5EB;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text);
  line-height: 1.8;
  background: var(--white);
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.narrow {
  width: min(860px, 92%);
}

h1, h2, h3 {
  line-height: 1.4;
  margin: 0 0 16px;
}

h1 { font-size: clamp(2rem, 4vw, 3.2rem); color: var(--white); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); color: var(--blue); }
h3 { font-size: 1.1rem; }

p { margin: 0; }

.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--bg-gray);
}

.hero {
  background: linear-gradient(135deg, #214b73 0%, #2B5C8A 55%, #3f78a9 100%);
  color: var(--white);
  padding: 110px 0 100px;
}

.hero .label {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 20px;
  font-size: 0.92rem;
}

.hero .subcopy {
  font-size: 1.1rem;
  margin: 14px 0 30px;
  opacity: 0.95;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  transition: 0.2s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
}

.btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--white);
  color: var(--blue);
  border-color: var(--blue);
}

.btn-secondary:hover {
  background: #eef5fb;
}

.lead {
  margin-bottom: 28px;
}

.grid-2, .grid-3 {
  display: grid;
  gap: 16px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.icon-item {
  background: #fff;
  border: 1px solid #e6ebf0;
  border-radius: 12px;
  padding: 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.icon-item i {
  color: var(--blue);
  margin-top: 5px;
  font-size: 1.1rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid #e6ebf0;
  border-radius: 12px;
  padding: 20px;
  background: #fff;
}

.card i {
  color: var(--blue);
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.note {
  margin-top: 16px;
  font-size: 0.95rem;
  color: #4f6071;
}

.section-benefit {
  background: var(--benefit-bg);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.step {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #dfe7ee;
  padding: 18px;
}

.step span {
  display: inline-block;
  color: var(--orange);
  font-weight: 800;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.price-compare {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 16px;
  align-items: stretch;
}

.compare-card {
  background: #fff;
  border: 1px solid #dde6ee;
  border-radius: 12px;
  padding: 22px;
}

.compare-card.featured {
  border: 2px solid var(--blue);
  box-shadow: 0 10px 22px rgba(43, 92, 138, 0.08);
}

.price-range {
  color: #4a5f74;
  font-weight: 700;
  font-size: 1.1rem;
}

.price-main {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--blue);
  font-weight: 800;
}

.compare-card ul {
  margin: 14px 0 20px;
  padding-left: 20px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tiny {
  margin-top: 10px;
  font-size: 0.85rem;
  color: #56697d;
}

.section-case {
  background: var(--bg-gray);
}

.coming-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.coming-card {
  background: #fff;
  border: 2px dashed #ccd7e2;
  border-radius: 12px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.coming-card p {
  font-weight: 700;
  color: var(--blue);
}

.coming-card span {
  color: #6a7f94;
  font-size: 0.9rem;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.fit-box {
  background: #fff;
  border: 1px solid #dde5ee;
  border-radius: 12px;
  padding: 22px;
}

.fit-box.out {
  background: #fbfcfd;
}

.fit-box ul {
  padding-left: 20px;
  margin: 0;
}

.center {
  justify-content: center;
}

footer {
  background: #173954;
  color: #dbe8f3;
  padding: 24px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}

@media (max-width: 960px) {
  .grid-3, .card-grid, .steps, .price-compare, .coming-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .section { padding: 56px 0; }
  .hero { padding: 80px 0 70px; }
  .grid-2, .grid-3, .card-grid, .steps, .price-compare, .coming-grid, .two-col {
    grid-template-columns: 1fr;
  }
  .btn {
    width: 100%;
    text-align: center;
  }
}