:root {
  --bg: #f8f7f3;
  --surface: #ffffff;
  --surface-soft: #f0eee7;
  --ink: #17243a;
  --muted: #5e6978;
  --line: #dde1dc;
  --accent: #356b5b;
  --accent-dark: #285348;
  --accent-soft: #e1ede8;
  --sand: #eee9df;
  --shadow: 0 18px 50px rgba(23, 36, 58, 0.1);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  line-height: 1.8;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(221, 225, 220, 0.92);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  display: block;
  width: 190px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #354257;
  font-size: 0.94rem;
  font-weight: 700;
}

.site-nav a:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 1.5rem;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
  font-weight: 700;
  transition: 160ms ease;
}

.button:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.button-outline {
  min-height: 42px;
  color: var(--accent);
  background: transparent;
}

.button-outline:hover {
  color: #fff;
}

.text-link {
  color: var(--accent);
  font-weight: 700;
}

.hero {
  padding: 92px 0 82px;
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: 58px;
  grid-template-columns: 1.05fr 0.95fr;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 30px;
  height: 1px;
  background: currentColor;
  content: "";
}

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

h1 {
  margin-bottom: 26px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(2.4rem, 5vw, 4.25rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.28;
}

h2 {
  margin-bottom: 14px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1.35;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.18rem;
  line-height: 1.5;
}

.hero-copy {
  max-width: 650px;
}

.hero-copy .lead {
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 1.06rem;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin: 26px 0 0;
  padding: 0;
  color: #596576;
  font-size: 0.86rem;
  list-style: none;
}

.hero-notes li::before {
  margin-right: 7px;
  color: var(--accent);
  content: "✓";
  font-weight: 800;
}

.hero-visual {
  position: relative;
  min-height: 520px;
}

.visual-backdrop {
  position: absolute;
  inset: 28px 12px 0 44px;
  border-radius: var(--radius-lg);
  background: var(--sand);
}

.visual-card {
  position: absolute;
  border: 1px solid rgba(221, 225, 220, 0.9);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.visual-main {
  inset: 0 22px 68px 0;
  padding: 28px;
}

.visual-label {
  margin-bottom: 22px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.workflow {
  display: grid;
  gap: 12px;
}

.workflow-item {
  display: grid;
  align-items: center;
  gap: 13px;
  grid-template-columns: 40px 1fr;
}

.workflow-icon,
.service-icon {
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 800;
}

.workflow-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  font-size: 0.82rem;
}

.workflow-copy strong,
.workflow-copy span {
  display: block;
}

.workflow-copy span {
  color: var(--muted);
  font-size: 0.76rem;
}

.visual-note {
  right: 0;
  bottom: 4px;
  width: min(310px, 72%);
  padding: 20px 22px;
}

.visual-note strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.05rem;
}

.visual-note span {
  color: var(--muted);
  font-size: 0.82rem;
}

.section {
  padding: 94px 0;
}

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

.section-heading {
  max-width: 700px;
  margin-bottom: 42px;
}

.section-heading p {
  margin-bottom: 0;
  color: var(--muted);
}

.card-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.card p {
  color: var(--muted);
  font-size: 0.94rem;
}

.service-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
}

.card-footer {
  margin-top: auto;
  padding-top: 24px;
}

.steps {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, 1fr);
}

.step {
  padding: 0 18px 0 0;
}

.step-number {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--accent);
  font-size: 0.9rem;
  font-weight: 800;
}

.step p {
  color: var(--muted);
  font-size: 0.9rem;
}

.split {
  display: grid;
  align-items: start;
  gap: 46px;
  grid-template-columns: 0.9fr 1.1fr;
}

.about-box,
.form-card,
.lp-box {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.about-box p:last-child,
.lp-box p:last-child {
  margin-bottom: 0;
}

.form-grid {
  display: grid;
  gap: 18px;
}

.form-row {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, 1fr);
}

label {
  display: grid;
  gap: 7px;
  color: #344055;
  font-size: 0.9rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cfd6d2;
  border-radius: 10px;
  color: var(--ink);
  background: #fff;
}

input,
select {
  height: 48px;
  padding: 0 13px;
}

textarea {
  min-height: 150px;
  padding: 12px 13px;
  resize: vertical;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 0.84rem;
  font-weight: 400;
}

.checkbox-label input {
  width: 17px;
  height: 17px;
  margin-top: 5px;
}

.notice {
  padding: 13px 15px;
  border-radius: 10px;
  color: #5a564d;
  background: #f4f0e8;
  font-size: 0.82rem;
}

.site-footer {
  padding: 30px 0;
  color: #dbe6e1;
  background: #1f3d36;
  font-size: 0.86rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-hero {
  padding: 78px 0 58px;
}

.page-hero .lead {
  max-width: 760px;
  color: var(--muted);
}

.lp-highlight {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.list-clean {
  margin: 0;
  padding-left: 1.2em;
}

.list-clean li + li {
  margin-top: 7px;
}

.faq {
  display: grid;
  gap: 12px;
}

.faq details {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.faq p {
  margin: 12px 0 0;
  color: var(--muted);
}

.policy {
  max-width: 860px;
}

.policy h2 {
  margin-top: 42px;
  font-size: 1.45rem;
}

.policy p,
.policy li {
  color: #4f5c6d;
}

.thanks {
  display: grid;
  min-height: calc(100vh - 132px);
  place-items: center;
  text-align: center;
}

.thanks-card {
  max-width: 680px;
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 74px;
    right: 20px;
    left: 20px;
    display: none;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
  }

  .hero-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 64px;
  }

  .hero-visual {
    min-height: 420px;
  }

  .card-grid,
  .lp-highlight {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 560px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .section {
    padding: 70px 0;
  }

  h1 {
    font-size: 2.55rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-visual {
    min-height: 380px;
  }

  .visual-main {
    right: 18px;
    padding: 22px;
  }

  .visual-note {
    width: 160px;
  }

  .steps,
  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    display: grid;
  }

  .thanks-card {
    padding: 34px 24px;
  }
}
