:root {
  --ink: #102033;
  --ink-soft: #34465d;
  --muted: #66768a;
  --line: #dbe4ee;
  --line-strong: #c4d2e2;
  --bg: #f6f9fc;
  --white: #fff;
  --navy: #071a35;
  --blue: #1268d6;
  --blue-dark: #0e4d9f;
  --blue-soft: #e7f1ff;
  --cyan-soft: #e6f7fb;
  --green-soft: #eaf8f1;
  --shadow: 0 18px 50px rgba(16, 32, 51, .1);
  --radius: 8px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", "Segoe UI", sans-serif;
  line-height: 1.8;
}

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

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.header-inner {
  width: min(var(--max), calc(100% - 32px));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-logo {
  width: 126px;
  height: 42px;
  object-fit: contain;
}

.brand-service {
  padding-left: 12px;
  border-left: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 800;
}

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

.nav a {
  color: var(--ink-soft);
}

.nav a.button {
  color: var(--white);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  color: var(--white);
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1.3;
  box-shadow: 0 10px 24px rgba(18, 104, 214, .22);
  transition: transform .15s ease, background .15s ease;
}

.button:hover {
  background: var(--blue-dark);
  text-decoration: none;
  transform: translateY(-1px);
}

.button.secondary {
  color: var(--blue);
  background: var(--white);
  box-shadow: none;
}

.button.ghost {
  color: var(--ink);
  background: transparent;
  border-color: var(--line-strong);
  box-shadow: none;
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 24%, rgba(18, 104, 214, .12), transparent 30%),
    linear-gradient(180deg, #f8fbff 0%, #fff 100%);
}

.hero::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -160px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: rgba(18, 104, 214, .08);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  width: min(var(--max), calc(100% - 32px));
  min-height: 660px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, .9fr);
  gap: 56px;
  align-items: center;
  padding: 72px 0 80px;
}

.hero-copy {
  max-width: 700px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 800;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--blue);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.35;
  letter-spacing: 0;
}

h1 {
  max-width: 690px;
  font-size: clamp(32px, 3.8vw, 48px);
  line-height: 1.22;
}

.hero h1 span {
  display: block;
}

.keep-inline {
  display: inline-block;
}

h2 {
  font-size: clamp(26px, 4vw, 40px);
}

h3 {
  font-size: 20px;
}

p {
  margin: 0;
}

.lead {
  margin-top: 20px;
  color: var(--ink-soft);
  font-size: 17px;
}

.sublead {
  margin-top: 8px;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
}

.hero-trust-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.hero-trust-chips span {
  padding: 6px 10px;
  color: var(--ink-soft);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  min-height: 440px;
}

.mock-card {
  position: absolute;
  width: 250px;
  padding: 18px;
  background: rgba(255, 255, 255, .96);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 22px 52px rgba(16, 32, 51, .12);
}

.mock-card strong {
  display: block;
  margin-top: 12px;
  font-size: 15px;
}

.mock-card p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.mock-label {
  display: inline-block;
  color: var(--blue-dark);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .08em;
}

.mock-card-site {
  top: 36px;
  left: 0;
  z-index: 2;
}

.mock-card-form {
  top: 0;
  right: 0;
  z-index: 3;
}

.mock-card-crm {
  left: 48px;
  bottom: 34px;
  z-index: 4;
}

.mock-card-report {
  right: 20px;
  bottom: 0;
  z-index: 1;
}

.mock-product {
  height: 112px;
  margin-top: 12px;
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(18, 104, 214, .18), rgba(18, 104, 214, .04)),
    linear-gradient(90deg, #f5f8fc 0 50%, #eaf2fc 50% 100%);
  border: 1px solid var(--line);
}

.mock-line {
  width: 72%;
  height: 12px;
  margin-top: 12px;
  border-radius: 999px;
  background: var(--line);
}

.mock-line.wide {
  width: 100%;
}

.mock-button {
  width: 120px;
  height: 28px;
  margin-top: 14px;
  border-radius: 6px;
  background: var(--navy);
}

.mock-message {
  width: 100%;
  height: 34px;
  margin-top: 12px;
  border-radius: 18px 18px 18px 4px;
  background: var(--blue-soft);
  border: 1px solid #cfe2fb;
}

.mock-message.short {
  width: 68%;
  background: var(--green-soft);
}

.mock-chart {
  display: flex;
  align-items: end;
  gap: 10px;
  height: 108px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f9fbfe;
}

.mock-chart span {
  flex: 1;
  border-radius: 5px 5px 0 0;
  background: var(--blue);
  opacity: .75;
}

.mock-chart span:nth-child(1) { height: 38%; }
.mock-chart span:nth-child(2) { height: 56%; }
.mock-chart span:nth-child(3) { height: 48%; }
.mock-chart span:nth-child(4) { height: 78%; }

.package-card {
  position: absolute;
  right: 170px;
  top: 184px;
  z-index: 5;
  width: 116px;
  padding: 14px;
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 18px 40px rgba(16, 32, 51, .1);
  transform: rotate(-4deg);
}

.package-card span {
  display: block;
  height: 58px;
  margin-bottom: 8px;
  border-radius: 5px;
  background: linear-gradient(135deg, #edf4fb, #fff);
  border: 1px dashed var(--line-strong);
}

.package-card strong {
  font-size: 11px;
  letter-spacing: .08em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section {
  padding: 88px 0;
}

.proof-section {
  padding: 28px 0 76px;
  background: var(--white);
}

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

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.section-head {
  max-width: 820px;
  margin-bottom: 36px;
}

.section-head p {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 17px;
}

.card-grid,
.reason-grid,
.article-grid,
.faq-grid {
  display: grid;
  gap: 16px;
}

.card,
.reason,
.article-card,
.price-box,
.form-shell {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card,
.reason,
.article-card {
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.card:hover,
.reason:hover,
.article-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 14px 34px rgba(16, 32, 51, .08);
  transform: translateY(-2px);
  text-decoration: none;
}

.icon-badge,
.card-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  color: var(--blue);
  background: var(--blue-soft);
  border: 1px solid #cfe2fb;
  border-radius: var(--radius);
}

.icon-badge svg,
.card-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.proof-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 22px;
  align-items: stretch;
  margin-bottom: 18px;
}

.proof-copy,
.partner-proof,
.proof-card,
.conversion-panel,
.conversion-card,
.calendar-placeholder {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.proof-copy {
  padding: 30px;
  background:
    linear-gradient(135deg, rgba(231, 241, 255, .72), rgba(255, 255, 255, .92)),
    var(--white);
}

.proof-copy p:not(.eyebrow) {
  max-width: 760px;
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 16px;
}

.partner-proof {
  padding: 28px;
  color: var(--white);
  background:
    radial-gradient(circle at 100% 0, rgba(18, 104, 214, .34), transparent 42%),
    var(--navy);
  box-shadow: 0 18px 42px rgba(7, 26, 53, .18);
}

.partner-proof span {
  display: inline-block;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, .76);
  font-size: 14px;
  font-weight: 800;
}

.partner-proof strong {
  display: block;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.2;
}

.partner-proof p {
  margin-top: 16px;
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
  line-height: 1.7;
}

.proof-grid {
  display: grid;
  grid-template-columns: 1.18fr 1fr 1fr 1fr;
  gap: 16px;
}

.proof-card {
  min-height: 338px;
  padding: 20px;
  color: var(--ink);
  overflow: hidden;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.proof-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 14px 34px rgba(16, 32, 51, .08);
  transform: translateY(-2px);
  text-decoration: none;
}

.proof-card h3 {
  margin-top: 16px;
  font-size: 17px;
  line-break: strict;
  overflow-wrap: anywhere;
}

.proof-card p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.proof-media {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f8fbff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.proof-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.proof-media-contain img {
  object-fit: contain;
}

.proof-media-product {
  background: var(--white);
}

.proof-media-product img {
  object-fit: cover;
}

.text-link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 900;
}

.problem-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.problem-list li {
  min-height: 160px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.problem-list li strong {
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.5;
}

.problem-list li span {
  display: block;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.solution-diagram {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 32px;
  padding: 34px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, rgba(18, 104, 214, .12), transparent 34%),
    linear-gradient(135deg, #f7fbff, #fff);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 46px rgba(16, 32, 51, .07);
}

.solution-diagram::before {
  content: "";
  position: absolute;
  inset: 50% 120px auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, #b9d3f4, transparent);
}

.solution-core {
  position: relative;
  z-index: 1;
  grid-column: 1 / -1;
  justify-self: center;
  width: min(100%, 360px);
  margin-bottom: 6px;
  padding: 24px 28px;
  text-align: center;
  color: var(--white);
  background:
    radial-gradient(circle at 100% 0, rgba(255, 255, 255, .2), transparent 40%),
    var(--navy);
  border-radius: 14px;
  box-shadow: 0 20px 44px rgba(7, 26, 53, .18);
}

.solution-core span {
  display: block;
  color: rgba(255, 255, 255, .76);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.solution-core strong {
  display: block;
  margin-top: 4px;
  font-family: inherit;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.25;
}

.solution-core p {
  margin: 10px auto 0;
  color: rgba(255, 255, 255, .8);
  font-size: 13px;
  line-height: 1.7;
}

.solution-node {
  position: relative;
  z-index: 1;
  min-height: 232px;
  padding: 22px;
  background: rgba(255, 255, 255, .96);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.solution-node::before {
  content: "";
  position: absolute;
  top: -18px;
  left: 50%;
  width: 1px;
  height: 18px;
  background: #b9d3f4;
}

.solution-node small {
  display: block;
  margin: 12px 0 8px;
  color: var(--blue-dark);
  font-weight: 900;
}

.solution-node h3 {
  font-size: 20px;
  line-height: 1.45;
}

.solution-node p {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

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

.card {
  min-height: 188px;
  padding: 22px;
}

.card h3 {
  margin-bottom: 10px;
}

.card p,
.reason p,
.faq-item p,
.article-card p {
  color: var(--ink-soft);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tag-list span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  background: var(--white);
  font-size: 13px;
  font-weight: 700;
}

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

.reason {
  padding: 28px;
}

.reason-number {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--blue-dark);
  font-weight: 900;
}

.process {
  counter-reset: step;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.process li::before {
  content: counter(step, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: var(--white);
  background: var(--navy);
  border-radius: var(--radius);
  font-weight: 900;
}

.price-box {
  padding: 32px;
  box-shadow: var(--shadow);
}

.price-factors {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 24px;
  margin: 24px 0 0;
  padding-left: 20px;
  color: var(--ink-soft);
}

.conversion-section {
  padding: 0 0 88px;
  background: var(--white);
}

.conversion-panel {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  gap: 28px;
  align-items: center;
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(7, 26, 53, .98), rgba(14, 77, 159, .92)),
    var(--navy);
  box-shadow: var(--shadow);
}

.conversion-panel .eyebrow,
.conversion-panel h2,
.conversion-panel p {
  color: var(--white);
}

.conversion-panel .eyebrow::before {
  background: rgba(255, 255, 255, .82);
}

.conversion-panel p {
  margin-top: 14px;
  color: rgba(255, 255, 255, .82);
}

.conversion-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.conversion-card {
  min-height: 148px;
  padding: 18px;
  color: var(--ink);
  background: rgba(255, 255, 255, .94);
  border-color: transparent;
  transition: transform .15s ease, background .15s ease;
}

.conversion-card:hover {
  background: var(--white);
  transform: translateY(-2px);
  text-decoration: none;
}

.conversion-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
  line-height: 1.4;
}

.conversion-card span {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.conversion-card.primary {
  color: var(--white);
  background: #16a36f;
  border-color: #16a36f;
  box-shadow: 0 18px 34px rgba(22, 163, 111, .26);
}

.conversion-card.primary span {
  color: rgba(255, 255, 255, .86);
}

.conversion-card.primary::after,
.conversion-card.material::after {
  content: "おすすめ";
  display: inline-flex;
  width: max-content;
  max-width: 100%;
  margin-top: 14px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .18);
  color: currentColor;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.4;
  white-space: nowrap;
}

.conversion-card.material {
  background: #fff7d8;
  border-color: #f2cc59;
}

.conversion-card.material::after {
  content: "資料請求";
  background: #0f3264;
  color: var(--white);
}

.faq-list {
  display: grid;
  gap: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 36px rgba(16, 32, 51, .06);
}

.faq-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}

.faq-item:last-child {
  border-bottom: 0;
}

.faq-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--white);
  background: var(--navy);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 900;
  line-height: 1;
}

.faq-item h3 {
  margin-bottom: 8px;
  font-size: 18px;
  line-height: 1.55;
}

.faq-item p {
  max-width: 840px;
  font-size: 15px;
  line-height: 1.8;
}

.form-shell {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 32px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.form-placeholder {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.form-grid {
  display: grid;
  gap: 14px;
}

.form-steps {
  display: grid;
  grid-template-columns: 28px 1fr 28px 1fr;
  align-items: center;
  gap: 8px;
  margin: 18px 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.form-steps span:nth-child(odd) {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 50%;
}

.form-steps span.form-step-current {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
}

.is-hidden {
  display: none !important;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
}

.required,
.optional {
  flex: none;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 11px;
  line-height: 1.4;
}

.required {
  color: #fff;
  background: var(--blue);
}

.optional {
  color: var(--muted);
  background: var(--bg);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
}

.field textarea {
  min-height: 104px;
  resize: vertical;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.checkbox-grid label,
.privacy-field label {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
}

.checkbox-grid input,
.privacy-field input {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 3px;
}

.privacy-field {
  display: grid;
  gap: 6px;
}

.optional-fields {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdff;
}

.optional-fields summary {
  cursor: pointer;
  color: var(--blue-dark);
  font-size: 14px;
  font-weight: 900;
}

.optional-fields-grid {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.privacy-field em {
  display: inline-flex;
  margin-left: 6px;
  padding: 2px 7px;
  color: var(--white);
  background: var(--blue);
  border-radius: 999px;
  font-size: 11px;
  font-style: normal;
  line-height: 1.4;
}

.form-error {
  color: #b42318;
  font-size: 12px;
  font-weight: 700;
}

.formrun .form-error:not(:empty) {
  margin-top: 2px;
}

.form-submit {
  width: 100%;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.form-next {
  width: 100%;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.form-back {
  width: max-content;
  padding: 0;
  color: var(--blue-dark);
  background: transparent;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
}

.form-note {
  color: var(--muted);
  font-size: 13px;
}

.form-assurance {
  padding: 14px;
  border-radius: var(--radius);
  background: var(--blue-soft);
  color: var(--ink-soft);
  font-size: 14px;
}

.site-footer {
  padding: 42px 0;
  color: rgba(255, 255, 255, .78);
  background: var(--navy);
}

.footer-inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner a {
  color: var(--white);
}

.article-hero {
  padding: 88px 0 56px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.article-hero h1 {
  max-width: 820px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.34;
}

.article-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 760px) 300px;
  gap: 48px;
  align-items: end;
}

.article-visual-card {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.article-visual-card .card-icon {
  margin-bottom: 18px;
}

.article-visual-card p {
  color: var(--ink-soft);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 280px;
  gap: 56px;
  align-items: start;
}

.article-body {
  font-size: 17px;
}

.article-summary {
  margin: 28px 0 36px;
  padding: 24px;
  background: var(--blue-soft);
  border: 1px solid #cfe2fb;
  border-radius: var(--radius);
}

.article-summary strong {
  display: block;
  margin-bottom: 8px;
}

.article-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 28px 0 8px;
}

.article-point {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.article-point .card-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 10px;
}

.article-point strong {
  display: block;
  margin-bottom: 6px;
  line-height: 1.45;
}

.article-point p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.article-body h2 {
  margin-top: 56px;
  margin-bottom: 16px;
  font-size: 30px;
}

.article-body h3 {
  margin-top: 32px;
  margin-bottom: 10px;
}

.article-body p,
.article-body ul,
.article-body ol {
  margin: 16px 0 0;
}

.article-body li {
  margin-top: 8px;
}

.sidebar {
  position: sticky;
  top: 96px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.breadcrumb {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
}

.meta {
  margin-top: 20px;
  color: var(--muted);
  font-size: 14px;
}

.cta-band {
  margin-top: 56px;
  padding: 32px;
  color: var(--white);
  background: var(--navy);
  border-radius: var(--radius);
}

.cta-band p {
  color: rgba(255, 255, 255, .82);
  margin-top: 10px;
}

.cta-band .button {
  margin-top: 20px;
}

.article-card {
  padding: 24px;
}

.article-card h3 {
  margin-bottom: 10px;
}

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

.thanks {
  min-height: 62vh;
  display: grid;
  place-items: center;
  padding: 96px 0;
  background: var(--bg);
}

.thanks-box {
  max-width: 720px;
  padding: 44px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.calendar-placeholder {
  margin-top: 28px;
  padding: 24px;
  background: var(--bg);
}

.calendar-placeholder h2 {
  font-size: 24px;
}

.calendar-placeholder p:not(.eyebrow) {
  margin-top: 10px;
  color: var(--ink-soft);
}

.calendar-mock {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 18px;
}

.calendar-mock span {
  display: grid;
  place-items: center;
  min-height: 46px;
  color: var(--blue-dark);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 900;
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 44px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    min-height: auto;
  }

  .mock-card {
    position: relative;
    inset: auto;
    width: 100%;
    padding: 16px;
    box-shadow: 0 12px 28px rgba(16, 32, 51, .08);
  }

  .mock-card-crm,
  .mock-card-report {
    display: none;
  }

  .package-card {
    position: relative;
    right: auto;
    top: auto;
    width: 100%;
    transform: none;
  }

  .package-card span {
    height: 42px;
  }

  .problem-list,
  .card-grid,
  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-hero,
  .conversion-panel,
  .form-shell,
  .article-layout,
  .article-hero-inner {
    grid-template-columns: 1fr;
  }

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

  .solution-core {
    grid-column: 1 / -1;
  }

  .solution-diagram::before,
  .solution-node::before {
    display: none;
  }

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

  .conversion-options {
    grid-template-columns: 1fr;
  }

  .article-points {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }
}

@media (max-width: 900px) {
  .hero-visual {
    display: none;
  }
}

@media (max-width: 640px) {
  .header-inner {
    min-height: 64px;
  }

  .brand-service {
    display: none;
  }

  .section {
    padding: 64px 0;
  }

  h1 {
    font-size: clamp(30px, 8.4vw, 40px);
    line-height: 1.28;
  }

  .hero-inner {
    gap: 28px;
    padding: 56px 0 48px;
  }

  .lead {
    font-size: 16px;
  }

  .hero-actions,
  .section-actions {
    flex-direction: column;
  }

  .hero-actions {
    margin-top: 24px;
  }

  .button {
    width: 100%;
  }

  .hero-trust-chips {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 22px;
  }

  .hero-trust-chips span {
    padding: 10px 12px;
    color: var(--blue-dark);
    background: #f1f7ff;
    border-color: #cfe2fb;
    border-left: 4px solid var(--blue);
    border-radius: 8px;
    font-size: 13px;
    box-shadow: 0 8px 20px rgba(16, 32, 51, .06);
  }

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

  .mock-card {
    display: none;
    margin-bottom: 14px;
  }

  .mock-card-site {
    display: block;
  }

  .mock-card-site .mock-product {
    height: 78px;
  }

  .mock-card-site::after {
    content: "移管・制作 / CRM・MA / 同梱物・物流 / 改善レポート";
    display: block;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
    color: var(--blue-dark);
    font-size: 12px;
    font-weight: 900;
    line-height: 1.7;
  }

  .package-card {
    display: none;
  }

  .proof-grid,
  .solution-diagram,
  .problem-list,
  .card-grid,
  .reason-grid,
  .article-grid,
  .price-factors {
    grid-template-columns: 1fr;
  }

  .faq-item {
    grid-template-columns: 34px 1fr;
    padding: 18px;
  }

  .form-shell,
  .price-box,
  .thanks-box,
  .proof-copy,
  .partner-proof,
  .conversion-panel,
  .cta-band {
    padding: 24px;
  }

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

  .checkbox-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }
}