:root {
  --blue-900: #12345b;
  --blue-800: #164171;
  --blue-700: #1f5f99;
  --blue-100: #e8f2fb;
  --teal-600: #177b73;
  --amber-500: #b87a24;
  --ink: #172033;
  --muted: #5f6f84;
  --line: #dbe4ee;
  --soft: #f5f8fb;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(18, 52, 91, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
  line-height: 1.8;
}

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

svg {
  display: block;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px max(20px, calc((100vw - 1120px) / 2));
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(219, 228, 238, 0.78);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--blue-900);
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  flex: 0 0 auto;
  color: var(--white);
  background: var(--blue-900);
  border-radius: 8px;
}

.brand-mark svg {
  width: 21px;
  height: 21px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav a:hover {
  color: var(--blue-800);
}

.section-band {
  background:
    linear-gradient(180deg, rgba(232, 242, 251, 0.92), rgba(255, 255, 255, 0.98)),
    linear-gradient(90deg, rgba(18, 52, 91, 0.08), rgba(23, 123, 115, 0.05));
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 84px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.86fr);
  align-items: center;
  gap: 64px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal-600);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  color: var(--blue-900);
  font-size: 56px;
  line-height: 1.22;
}

h2 {
  margin-bottom: 0;
  color: var(--blue-900);
  font-size: 38px;
  line-height: 1.34;
}

h3 {
  color: var(--blue-900);
  font-size: 20px;
  line-height: 1.45;
}

.lead {
  max-width: 720px;
  margin-bottom: 32px;
  color: #43546b;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.3;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.button svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: var(--white);
  background: var(--blue-900);
  box-shadow: 0 12px 28px rgba(18, 52, 91, 0.22);
}

.button-primary:hover {
  background: var(--blue-800);
}

.button-secondary {
  color: var(--blue-900);
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(18, 52, 91, 0.18);
}

.product-visual {
  position: relative;
  min-height: 500px;
}

.app-shell {
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(18, 52, 91, 0.12);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  color: var(--blue-900);
  background: #f9fbfd;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  font-weight: 800;
}

.app-topbar div {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 9px;
  height: 9px;
  background: #2aa876;
  border-radius: 999px;
  box-shadow: 0 0 0 5px rgba(42, 168, 118, 0.14);
}

.app-layout {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  min-height: 430px;
}

.app-sidebar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
  background: var(--blue-900);
}

.app-sidebar span {
  width: 24px;
  height: 24px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 7px;
}

.app-main {
  display: grid;
  gap: 14px;
  padding: 20px;
  background: linear-gradient(180deg, #ffffff, #f7fafc);
}

.call-row {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 12px;
}

.call-row > div,
.memo-panel,
.ai-panel,
.ticket-panel {
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.call-row p,
.panel-title {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.call-row strong {
  color: var(--blue-900);
  font-size: 15px;
}

.memo-panel p:last-child {
  margin-bottom: 0;
  color: #334258;
  font-size: 14px;
}

.ai-panel {
  border-color: rgba(31, 95, 153, 0.24);
  background: #f2f8fd;
}

.ai-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  color: var(--blue-900);
  font-weight: 800;
}

.ai-heading strong {
  flex: 0 0 auto;
  color: var(--amber-500);
  font-size: 13px;
}

.ai-panel ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ai-panel li {
  position: relative;
  padding-left: 20px;
  color: #334258;
  font-size: 14px;
}

.ai-panel li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 8px;
  height: 8px;
  content: "";
  background: var(--teal-600);
  border-radius: 999px;
}

.ticket-lines {
  display: grid;
  gap: 10px;
}

.ticket-lines span {
  display: block;
  width: 66%;
  height: 10px;
  background: #d7e4ef;
  border-radius: 999px;
}

.ticket-lines .line-wide {
  width: 92%;
}

.ticket-lines .line-mid {
  width: 78%;
}

.floating-note {
  position: absolute;
  right: -18px;
  bottom: 28px;
  width: 146px;
  padding: 16px;
  color: var(--white);
  background: var(--teal-600);
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(23, 123, 115, 0.24);
}

.floating-note span {
  display: block;
  font-size: 12px;
  font-weight: 800;
  opacity: 0.82;
}

.floating-note strong {
  display: block;
  font-size: 24px;
  line-height: 1.35;
}

.section {
  padding: 92px 0;
}

.section-muted {
  background: var(--soft);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.card-grid {
  display: grid;
  gap: 20px;
}

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

.info-card,
.value-card,
.step {
  min-height: 100%;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.info-card {
  display: grid;
  gap: 20px;
}

.info-card p,
.value-card p,
.step p {
  margin-bottom: 0;
  color: #41536a;
}

.icon-chip {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--blue-800);
  background: var(--blue-100);
  border-radius: 8px;
}

.icon-chip svg {
  width: 25px;
  height: 25px;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.step {
  position: relative;
  overflow: hidden;
}

.step::before {
  display: block;
  width: 46px;
  height: 4px;
  margin-bottom: 20px;
  content: "";
  background: var(--teal-600);
  border-radius: 999px;
}

.step-number {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--amber-500);
  font-size: 13px;
  font-weight: 900;
}

.value-card {
  border-top: 4px solid var(--blue-800);
}

.value-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  min-height: 30px;
  margin-bottom: 18px;
  color: var(--teal-600);
  background: rgba(23, 123, 115, 0.1);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 900;
}

.trust-section {
  background: #eef5f8;
}

.trust-layout {
  display: grid;
  grid-template-columns: 120px minmax(0, 820px);
  gap: 34px;
  align-items: start;
}

.trust-symbol {
  display: grid;
  width: 104px;
  height: 104px;
  place-items: center;
  color: var(--blue-900);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.trust-symbol svg {
  width: 62px;
  height: 62px;
}

.trust-layout p:last-child {
  margin: 18px 0 0;
  color: #41536a;
  font-size: 17px;
}

.cta {
  padding: 78px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.cta h2 {
  max-width: 760px;
}

.footer {
  padding: 26px 0;
  color: #dce8f4;
  background: var(--blue-900);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer p {
  margin-bottom: 0;
  font-weight: 800;
}

.footer small {
  color: rgba(220, 232, 244, 0.78);
}

@media (max-width: 960px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero-grid,
  .card-grid.three,
  .step-grid,
  .trust-layout,
  .cta-inner {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 40px;
  }

  .product-visual {
    min-height: 0;
  }

  .cta-inner {
    display: grid;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 32px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .site-header {
    padding: 14px;
  }

  .brand span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .nav {
    gap: 16px;
    font-size: 13px;
  }

  .hero {
    padding: 54px 0 42px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 28px;
  }

  .lead {
    font-size: 16px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .app-layout {
    grid-template-columns: 1fr;
  }

  .app-sidebar {
    display: none;
  }

  .app-main {
    padding: 14px;
  }

  .call-row {
    grid-template-columns: 1fr;
  }

  .floating-note {
    right: 12px;
    bottom: -20px;
    width: 128px;
  }

  .section {
    padding: 66px 0;
  }

  .info-card,
  .value-card,
  .step {
    padding: 22px;
  }

  .trust-symbol {
    width: 82px;
    height: 82px;
  }

  .trust-symbol svg {
    width: 52px;
    height: 52px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}