:root {
  --blue: #0646a8;
  --deep: #003681;
  --light: #eef7ff;
  --text: #10213f;
  --muted: #5e6d83;
  --line: #d8e7f8;
  --yellow: #ffd95a;
}

* {
  box-sizing: border-box
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.7
}

img {
  max-width: 100%;
  display: block
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}


.logo-header {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.logo-header .logo-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
}

.logo-header h1 {
  font-weight: 900;
  font-size: 1.5rem;
}

.wrap {
  width: min(1120px, 92%);
  margin: auto
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  border-radius: 10px;
  font-weight: 900;
  border: 0;
  cursor: pointer;
  transition: .2s transform, .2s box-shadow;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, .18)
}


.section {
  padding: 76px 0
}

.label {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  border-radius: 999px;
  padding: 6px 16px;
  font-weight: 800;
  font-size: 14px
}

.h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.25;
  margin: 14px 0 18px
}

.lead {
  color: var(--muted);
  font-size: 17px
}

.grid {
  display: grid;
  gap: 22px
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 10px 30px #0c4b9c10
}

.hero {
  background: radial-gradient(circle at 85% 10%, #dff2ff, transparent 38%), linear-gradient(135deg, #f7fcff, #eaf6ff);
  padding: 40px 0 70px;
  overflow: hidden
}

.nav {
  font-weight: 900;
  color: var(--deep);
  padding: 10px 0 30px
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 30px;
  align-items: center
}

.bubble {
  display: inline-block;
  border: 1px solid #b7d4f2;
  border-radius: 999px;
  padding: 8px 26px;
  background: #fff;
  font-weight: 800
}

.hero h1 {
  font-size: clamp(38px, 7vw, 76px);
  line-height: 1.12;
  margin: 26px 0 18px
}

.hero h1 span {
  color: var(--blue);
  font-size: 1.35em
}

.hero-ill {
  border-radius: 24px
}

.benefits {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 34px
}

.benefit {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 16px;
  align-items: center
}

.problems {
  background: #f6f9fd
}

.problems .grid {
  grid-template-columns: repeat(5, 1fr)
}

.problem {
  text-align: center
}

.problem img {
  height: 120px;
  object-fit: contain;
  margin: auto
}

.about {
  background: #fff
}

.about-box {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 28px;
  align-items: center;
  background: linear-gradient(135deg, #fff, #eef7ff);
  border-radius: 24px;
  padding: 34px;
  border: 1px solid var(--line)
}

.examples {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px
}

.pill {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700
}

.flow {
  background: #f8fbff
}

.steps {
  grid-template-columns: repeat(5, 1fr);
  counter-reset: step
}

.step {
  position: relative;
  text-align: center
}

.step:before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 900;
  margin: 0 auto 10px
}

.step img {
  height: 120px;
  object-fit: contain;
  margin: auto
}

.merits .grid {
  grid-template-columns: repeat(4, 1fr)
}

.faq {
  background: #f6f9fd
}

.faq-box {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 30px;
  align-items: center
}

/* 各FAQ項目のカード（<details>要素を内包） */
.faq-item {
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 1px 6px rgba(26, 58, 122, 0.06);
  transition: box-shadow 0.2s;
}

.faq-item:hover {
  box-shadow: 0 1px 6px rgba(26, 58, 122, 0.06), 0 0 0 2px var(--blue);
}

.faq-answer {
  padding: 0 28px 24px 72px;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.9;
}

.cta {
  background: linear-gradient(135deg, var(--blue), var(--deep));
  color: #fff;
  text-align: center;
  padding: 68px 0;
  position: relative
}

.cta h2 {
  font-size: clamp(30px, 5vw, 48px);
  margin: 0 0 12px
}

.free {
  display: inline-grid;
  place-items: center;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--deep);
  font-weight: 900;
  font-size: 28px;
  margin: 20px
}

.footer {
  padding: 30px 0;
  background: #07182f;
  color: #fff
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 22px
}

.small {
  font-size: 13px;
  color: #cbd7e6
}

.image_qr {
  border-radius: 1rem;
  overflow: hidden;
}

footer {
  background: #031a44;
  color: #fff;
  padding: 2rem
}


footer .logo {
  width: 2rem;
}

.brand .logo {
  width: 1.2rem;
  scale: 1.2;
}

footer p {
  margin: 7px 0
}

footer .muted {
  color: #c9d8ee
}

.foot-cta {
  display: grid;
  gap: 14px
}

.copy {
  text-align: center;
  color: #b7c7df;
  margin-top: 36px;
  font-size: .9rem
}

footer .logo {
  width: 2rem;
}

.brand .logo {
  width: 1.2rem;
  scale: 1.2;
}

.flex-col-left {
  display: flex;
  flex-direction: column;
  align-items: start;
}

@media(max-width:850px) {
  header {
    height: auto;
    padding: 14px 0;
  }


  .hero-inner,
  .about-box,
  .faq-box {
    grid-template-columns: 1fr
  }

  .benefits,
  .problems .grid,
  .merits .grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr
  }

  .benefits,
  .steps {
    grid-template-columns: 1fr
  }

  .hero-ill {
    order: -1
  }

  .section {
    padding: 54px 0
  }
}