:root {
  --biz-bg: #fbfbf7;
  --biz-surface: #ffffff;
  --biz-ink: #102033;
  --biz-copy: #4f596d;
  --biz-muted: #6b7287;
  --biz-line: #dce3ff;
  --biz-blue: #1b3dff;
  --biz-blue-dark: #142fc7;
  --biz-yellow: #ffff00;
  --biz-tint: #f3f5ff;
  --biz-shadow: #cbd4ff;
  --biz-success: #0b7a55;
  --biz-jp: "Noto Sans JP", sans-serif;
  --biz-en: "DM Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body.business-service-page {
  margin: 0;
  background-color: var(--biz-bg);
  background-image: radial-gradient(circle, rgba(16, 32, 51, 0.055) 1px, transparent 1.4px);
  background-size: 28px 28px;
  color: var(--biz-ink);
  font-family: var(--biz-jp);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  text-rendering: optimizeLegibility;
}

.business-service-page ::selection {
  background: var(--biz-yellow);
  color: var(--biz-ink);
}

.biz-main img {
  max-width: 100%;
  height: auto;
}

.biz-skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 4000;
  padding: 8px 14px;
  border: 2px solid var(--biz-ink);
  border-radius: 999px;
  background: var(--biz-yellow);
  color: var(--biz-ink);
  font-weight: 900;
  text-decoration: none;
  transform: translateY(-160%);
}

.biz-skip-link:focus {
  transform: translateY(0);
}

.biz-main {
  overflow: hidden;
}

.biz-main a {
  color: inherit;
}

.biz-main a:focus-visible,
.biz-main summary:focus-visible {
  outline: 3px solid var(--biz-blue);
  outline-offset: 4px;
}

.biz-container {
  width: min(100% - 48px, 1120px);
  margin-inline: auto;
}

.biz-breadcrumb {
  margin: 0;
  padding: 22px 0 0;
  color: var(--biz-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.biz-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.biz-breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: #a0a7b8;
}

.biz-breadcrumb a {
  text-underline-offset: 3px;
}

.biz-hero {
  padding: 34px 0 92px;
}

.biz-training-hero {
  display: grid;
  min-height: 670px;
  align-items: center;
  padding: 86px 0 102px;
  background-color: #061f3e;
  background-image:
    linear-gradient(90deg, rgba(6, 31, 62, 0.96) 0%, rgba(6, 31, 62, 0.91) 34%, rgba(6, 31, 62, 0.66) 53%, rgba(6, 31, 62, 0.18) 76%, rgba(6, 31, 62, 0.04) 100%),
    url("/images/aio-training/hero-instructor-wide-v3.jpg");
  background-position: center;
  background-size: cover;
  color: #fff;
}

.biz-training-hero-inner {
  width: min(100% - 48px, 1120px);
}

.biz-training-hero-copy {
  max-width: 830px;
}

.biz-training-hero .biz-eyebrow {
  color: #dce3ff;
}

.biz-training-hero .biz-eyebrow::before {
  background: var(--biz-yellow);
}

.biz-training-hero .biz-hero-subtitle {
  color: var(--biz-yellow);
}

.biz-training-hero .biz-hero-lead {
  color: #f4f6ff;
  text-shadow: 0 1px 18px rgba(6, 31, 62, 0.42);
}

.biz-training-hero .biz-hero-title {
  text-shadow: 0 2px 24px rgba(6, 31, 62, 0.28);
}

.biz-training-hero .biz-button.is-secondary {
  background: rgba(255, 255, 255, 0.96);
}

.biz-partner-hero {
  background-image:
    linear-gradient(90deg, rgba(6, 31, 62, 0.97) 0%, rgba(6, 31, 62, 0.92) 34%, rgba(6, 31, 62, 0.45) 46%, rgba(6, 31, 62, 0.12) 58%, rgba(6, 31, 62, 0.02) 78%),
    url("/images/aio-partner/hero-mizuma-candidate-1.png");
  background-position: center;
}

.biz-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  gap: 64px;
  align-items: center;
}

.biz-eyebrow,
.biz-section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--biz-muted);
  font-family: var(--biz-en);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.biz-eyebrow::before,
.biz-section-label::before {
  width: 11px;
  height: 11px;
  background: var(--biz-blue);
  content: "";
}

.biz-hero-title {
  max-width: 760px;
  margin: 22px 0 0;
  font-size: clamp(2.55rem, 5.9vw, 5rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.045em;
}

.biz-hero-title .biz-marker,
.biz-marker {
  background: linear-gradient(180deg, transparent 54%, var(--biz-yellow) 54%, var(--biz-yellow) 92%, transparent 92%);
  padding: 0 0.04em;
}

.biz-training-title-line {
  display: inline-block;
  font-size: clamp(3.4rem, 5.4vw, 4rem);
  letter-spacing: -0.075em;
  white-space: nowrap;
}

.biz-training-aio-line {
  display: inline-block;
  padding: 0;
  font-size: clamp(4rem, 6.2vw, 5.4rem);
  letter-spacing: -0.07em;
  white-space: nowrap;
}

.biz-hero-subtitle {
  margin: 22px 0 0;
  color: var(--biz-blue);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 900;
  line-height: 1.65;
}

.biz-hero-lead {
  max-width: 700px;
  margin: 18px 0 0;
  color: var(--biz-copy);
  font-weight: 700;
  line-height: 2.05;
}

.biz-hero-actions,
.biz-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.biz-button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 26px;
  border: 2px solid var(--biz-ink);
  border-radius: 999px;
  background: var(--biz-blue);
  box-shadow: 5px 5px 0 var(--biz-shadow);
  color: #fff !important;
  font-size: 0.94rem;
  font-weight: 900;
  line-height: 1.5;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.biz-button::after {
  content: "→";
}

.biz-button:hover {
  background: var(--biz-ink);
  box-shadow: 7px 7px 0 var(--biz-blue);
  transform: translate(-2px, -2px);
}

.biz-button.is-secondary {
  background: #fff;
  color: var(--biz-ink) !important;
}

.biz-button.is-secondary:hover {
  background: var(--biz-yellow);
}

.biz-hero-panel {
  position: relative;
  padding: 28px;
  border: 2px solid var(--biz-ink);
  border-radius: 28px;
  background: var(--biz-surface);
  box-shadow: 14px 14px 0 var(--biz-shadow);
}

.biz-hero-panel::before {
  position: absolute;
  top: -14px;
  right: 30px;
  width: 52px;
  height: 28px;
  background: var(--biz-yellow);
  content: "";
  transform: rotate(4deg);
}

.biz-panel-label {
  margin: 0 0 18px;
  color: var(--biz-muted);
  font-family: var(--biz-en);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.biz-money-flow {
  display: grid;
  gap: 12px;
}

.biz-money-card {
  padding: 18px;
  border: 1px solid var(--biz-line);
  border-radius: 18px;
  background: var(--biz-tint);
}

.biz-money-card.is-partner {
  border-color: var(--biz-blue);
  background: var(--biz-blue);
  color: #fff;
}

.biz-money-card.is-aima {
  background: #fff;
}

.biz-money-name {
  display: block;
  font-size: 0.78rem;
  font-weight: 900;
}

.biz-money-amount {
  display: block;
  margin-top: 4px;
  font-family: var(--biz-en);
  font-size: 2.25rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.2;
}

.biz-money-amount small {
  font-family: var(--biz-jp);
  font-size: 0.78rem;
  letter-spacing: 0;
}

.biz-money-note {
  display: block;
  margin-top: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.6;
  opacity: 0.82;
}

.biz-money-arrow {
  color: var(--biz-blue);
  font-size: 1.25rem;
  font-weight: 900;
  line-height: 1;
  text-align: center;
}

.biz-panel-footnote {
  margin: 16px 0 0;
  color: var(--biz-muted);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.7;
}

.biz-schedule {
  display: grid;
  gap: 0;
}

.biz-schedule-row {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--biz-line);
}

.biz-schedule-row:last-child {
  border-bottom: 0;
}

.biz-schedule-time {
  color: var(--biz-blue);
  font-family: var(--biz-en);
  font-size: 0.82rem;
  font-weight: 900;
}

.biz-schedule-copy {
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.65;
}

.biz-quick-facts {
  border-block: 2px solid var(--biz-ink);
  background: var(--biz-yellow);
}

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

.biz-fact {
  padding: 24px 22px;
  border-right: 1px solid rgba(16, 32, 51, 0.25);
}

.biz-fact:last-child {
  border-right: 0;
}

.biz-fact-label {
  display: block;
  font-family: var(--biz-en);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.biz-fact-value {
  display: block;
  margin-top: 4px;
  font-size: 1.02rem;
  font-weight: 900;
  line-height: 1.5;
}

.biz-section {
  padding: 92px 0;
}

.biz-section.is-tint {
  border-block: 1px solid var(--biz-line);
  background: var(--biz-tint);
}

.biz-section.is-blue {
  background: var(--biz-blue);
  color: #fff;
}

.biz-section.is-blue .biz-section-label {
  color: #dce3ff;
}

.biz-section.is-blue .biz-section-label::before {
  background: var(--biz-yellow);
}

.biz-section.is-blue .biz-section-lead {
  color: #eef1ff;
}

.biz-section-head {
  max-width: 760px;
}

.biz-section-title {
  margin: 16px 0 0;
  font-size: clamp(2rem, 4.5vw, 3.55rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.035em;
}

.biz-section-lead {
  margin: 18px 0 0;
  color: var(--biz-copy);
  font-size: 1rem;
  font-weight: 700;
  line-height: 2.05;
}

.biz-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 42px;
}

.biz-card-grid.is-two {
  grid-template-columns: repeat(2, 1fr);
}

.biz-problem-list {
  margin-top: 48px;
}

.biz-problem-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 30px;
  align-items: center;
  padding: 34px 4px;
  border-bottom: 1px solid #bcc7e8;
}

.biz-problem-num {
  color: var(--biz-blue);
  font-family: var(--biz-en);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.biz-problem-title {
  margin: 0;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 900;
  line-height: 1.6;
  letter-spacing: -0.025em;
}

.biz-problem-copy {
  margin: 0;
  color: var(--biz-copy);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.95;
}

.biz-card {
  padding: 28px;
  border: 2px solid var(--biz-ink);
  border-radius: 22px;
  background: var(--biz-surface);
  box-shadow: 7px 7px 0 var(--biz-shadow);
}

.biz-card-num {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  background: var(--biz-yellow);
  color: var(--biz-ink);
  font-family: var(--biz-en);
  font-size: 0.76rem;
  font-weight: 900;
}

.biz-card-title {
  margin: 18px 0 0;
  font-size: 1.18rem;
  font-weight: 900;
  line-height: 1.55;
}

.biz-card-copy {
  margin: 12px 0 0;
  color: var(--biz-copy);
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 1.95;
}

.biz-model {
  display: grid;
  grid-template-columns: 1fr 72px 1fr 72px 1fr;
  align-items: stretch;
  margin-top: 44px;
}

.biz-model-card {
  display: flex;
  min-height: 230px;
  flex-direction: column;
  justify-content: space-between;
  padding: 27px;
  border: 2px solid var(--biz-ink);
  border-radius: 24px;
  background: #fff;
  color: var(--biz-ink);
}

.biz-model-card.is-main {
  background: var(--biz-yellow);
}

.biz-model-card.is-aima {
  background: var(--biz-blue);
  color: #fff;
}

.biz-model-role {
  font-family: var(--biz-en);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.biz-model-title {
  margin: 12px 0 0;
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.5;
}

.biz-model-copy {
  margin: 18px 0 0;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.85;
}

.biz-model-arrow {
  display: grid;
  place-items: center;
  color: var(--biz-blue);
  font-size: 2rem;
  font-weight: 900;
}

.biz-model-figure {
  max-width: 860px;
  margin: 44px auto 0;
}

.biz-model-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.biz-partner-solution {
  overflow: hidden;
}

.biz-partner-solution-head {
  max-width: 930px;
}

.biz-mobile-only {
  display: none;
}

.biz-partner-solution-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
  gap: clamp(48px, 6vw, 88px);
  align-items: center;
  margin-top: 54px;
}

.biz-partner-steps {
  border-top: 1px solid rgba(255, 255, 255, 0.32);
}

.biz-partner-step {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.32);
}

.biz-partner-step-num {
  padding-top: 3px;
  color: var(--biz-yellow);
  font-family: var(--biz-en);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.biz-partner-step-title {
  margin: 0;
  font-size: clamp(1.08rem, 1.8vw, 1.35rem);
  font-weight: 900;
  line-height: 1.55;
}

.biz-partner-step-copy {
  margin: 10px 0 0;
  color: #eef1ff;
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 1.9;
}

.biz-partner-visual .biz-model-figure {
  max-width: 560px;
  margin: 0 auto;
}

.biz-partner-trust {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 18px;
  margin-top: 22px;
  padding: 22px 24px;
  border: 2px solid var(--biz-ink);
  border-radius: 20px;
  background: var(--biz-yellow);
  color: var(--biz-ink);
}

.biz-partner-trust-label {
  padding-top: 4px;
  font-family: var(--biz-en);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.biz-partner-trust-title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 900;
  line-height: 1.55;
}

.biz-partner-trust-copy {
  margin: 8px 0 0;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.8;
}

.biz-partner-result {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1.15fr;
  gap: 22px;
  align-items: center;
  margin-top: 52px;
  padding: 24px 28px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 22px;
  background: #061f3e;
}

.biz-partner-result-item {
  display: grid;
  gap: 6px;
}

.biz-partner-result-item strong {
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.55;
}

.biz-partner-result-item.is-result strong {
  color: var(--biz-yellow);
}

.biz-partner-result-label {
  color: #aebcf4;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.biz-partner-result-symbol {
  color: var(--biz-yellow);
  font-family: var(--biz-en);
  font-size: 1.55rem;
  font-weight: 900;
}

.biz-scope-wrap {
  margin-top: 44px;
  overflow: hidden;
  border: 2px solid var(--biz-ink);
  border-radius: 24px;
  background: #fff;
  box-shadow: 9px 9px 0 var(--biz-shadow);
}

.biz-scope-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.biz-scope-column {
  padding: 32px;
}

.biz-scope-column + .biz-scope-column {
  border-left: 2px solid var(--biz-ink);
}

.biz-scope-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: 1.2rem;
  font-weight: 900;
}

.biz-scope-title::before {
  display: grid;
  width: 30px;
  height: 30px;
  flex: none;
  place-items: center;
  border-radius: 50%;
  background: var(--biz-blue);
  color: #fff;
  content: "✓";
  font-size: 0.8rem;
}

.biz-scope-column.is-client .biz-scope-title::before {
  background: var(--biz-yellow);
  color: var(--biz-ink);
}

.biz-check-list,
.biz-plain-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.biz-check-list li,
.biz-plain-list li {
  position: relative;
  padding-left: 24px;
  color: var(--biz-copy);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.8;
}

.biz-check-list li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--biz-success);
  content: "●";
  font-size: 0.7rem;
}

.biz-plain-list li::before {
  position: absolute;
  top: 0;
  left: 2px;
  color: var(--biz-blue);
  content: "—";
  font-weight: 900;
}

/* 青背景セクション上に直接置かれるチェックリストは明色にする */
.biz-white-label .biz-check-list li {
  color: #eef1ff;
}

.biz-white-label .biz-check-list li::before {
  color: var(--biz-yellow);
}

.biz-white-label {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 60px;
  align-items: center;
  margin-top: 44px;
}

.biz-white-label-demo {
  position: relative;
  min-height: 360px;
  padding: 34px;
  overflow: hidden;
  border: 2px solid var(--biz-ink);
  border-radius: 28px;
  background: #fff;
  box-shadow: 12px 12px 0 rgba(255, 255, 0, 0.8);
  color: var(--biz-ink);
}

.biz-demo-brand {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--biz-ink);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 900;
}

.biz-demo-title {
  margin: 34px 0 0;
  font-size: 1.75rem;
  font-weight: 900;
  line-height: 1.45;
}

.biz-demo-lines {
  display: grid;
  gap: 11px;
  margin-top: 28px;
}

.biz-demo-lines span {
  display: block;
  height: 9px;
  border-radius: 999px;
  background: var(--biz-line);
}

.biz-demo-lines span:nth-child(2) {
  width: 78%;
}

.biz-demo-lines span:nth-child(3) {
  width: 62%;
}

.biz-demo-stamp {
  position: absolute;
  right: 22px;
  bottom: 22px;
  padding: 12px 16px;
  border: 2px solid var(--biz-blue);
  color: var(--biz-blue);
  font-family: var(--biz-en);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  transform: rotate(-4deg);
}

.biz-price-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 44px;
}

.biz-price-grid.is-single {
  grid-template-columns: minmax(0, 760px);
}

.biz-price-card {
  position: relative;
  padding: 34px;
  border: 2px solid var(--biz-ink);
  border-radius: 28px;
  background: #fff;
  box-shadow: 10px 10px 0 var(--biz-shadow);
}

.biz-price-card.is-recommended {
  border-color: var(--biz-blue);
  box-shadow: 10px 10px 0 var(--biz-blue);
}

.biz-recommend-label {
  position: absolute;
  top: -16px;
  right: 24px;
  padding: 7px 14px;
  border: 2px solid var(--biz-ink);
  border-radius: 999px;
  background: var(--biz-yellow);
  font-size: 0.7rem;
  font-weight: 900;
}

.biz-price-name {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 900;
}

.biz-price-duration {
  display: inline-block;
  margin-top: 5px;
  color: var(--biz-muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.biz-price {
  margin-top: 20px;
  color: var(--biz-blue);
  font-family: var(--biz-en);
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 1.1;
}

.biz-price small {
  font-family: var(--biz-jp);
  font-size: 0.78rem;
  letter-spacing: 0;
}

.biz-price-summary {
  margin: 16px 0 0;
  color: var(--biz-copy);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.9;
}

.biz-price-note {
  margin: 26px 0 0;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--biz-tint);
  color: var(--biz-copy);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.8;
}

.biz-margin-equation {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 32px;
}

.biz-equation-item {
  padding: 20px;
  border-radius: 18px;
  background: var(--biz-tint);
  text-align: center;
}

.biz-equation-item.is-result {
  background: var(--biz-yellow);
}

.biz-equation-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 900;
}

.biz-equation-value {
  display: block;
  margin-top: 4px;
  font-size: 1.4rem;
  font-weight: 900;
}

.biz-equation-sign {
  font-size: 1.5rem;
  font-weight: 900;
}

.biz-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 44px;
  counter-reset: flow;
}

.biz-flow-item {
  position: relative;
  padding: 28px 24px;
  border: 2px solid var(--biz-ink);
  background: #fff;
  counter-increment: flow;
}

.biz-flow-item + .biz-flow-item {
  border-left: 0;
}

.biz-flow-item:first-child {
  border-radius: 22px 0 0 22px;
}

.biz-flow-item:last-child {
  border-radius: 0 22px 22px 0;
}

.biz-flow-num {
  color: var(--biz-blue);
  font-family: var(--biz-en);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.biz-flow-title {
  margin: 13px 0 0;
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.55;
}

.biz-flow-copy {
  margin: 10px 0 0;
  color: var(--biz-copy);
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.8;
}

.biz-audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 44px;
}

.biz-audience-card {
  padding: 32px;
  border: 2px solid var(--biz-ink);
  border-radius: 24px;
  background: #fff;
  box-shadow: 8px 8px 0 var(--biz-shadow);
}

.biz-audience-card.is-good {
  border-color: var(--biz-blue);
}

.biz-audience-card.is-not {
  box-shadow: 8px 8px 0 #e4e7ee;
}

.biz-audience-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 900;
}

.biz-related {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 34px;
  align-items: center;
  margin-top: 44px;
  padding: 32px;
  border: 2px solid var(--biz-ink);
  border-radius: 24px;
  background: var(--biz-yellow);
}

.biz-related-label {
  font-family: var(--biz-en);
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.biz-related-title {
  margin: 8px 0 0;
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.5;
}

.biz-related-copy {
  margin: 8px 0 0;
  color: #3f4859;
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.8;
}

.biz-faq-list {
  display: grid;
  gap: 14px;
  margin-top: 42px;
}

.biz-faq-item {
  border: 2px solid var(--biz-ink);
  border-radius: 18px;
  background: #fff;
  box-shadow: 5px 5px 0 var(--biz-shadow);
}

.biz-faq-item summary {
  position: relative;
  padding: 22px 58px 22px 24px;
  cursor: pointer;
  font-size: 0.98rem;
  font-weight: 900;
  line-height: 1.75;
  list-style: none;
}

.biz-faq-item summary::-webkit-details-marker {
  display: none;
}

.biz-faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 23px;
  color: var(--biz-blue);
  content: "+";
  font-size: 1.55rem;
  font-weight: 900;
  transform: translateY(-50%);
}

.biz-faq-item[open] summary::after {
  content: "−";
}

.biz-faq-answer {
  margin: 0;
  padding: 0 24px 24px;
  color: var(--biz-copy);
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 2;
}

.biz-cta {
  padding: 28px 0 46px;
}

.biz-cta-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 42px;
  align-items: center;
  padding: 48px;
  border: 2px solid var(--biz-ink);
  border-radius: 30px;
  background: var(--biz-blue);
  box-shadow: 12px 12px 0 var(--biz-yellow);
  color: #fff;
}

.biz-cta-label {
  color: #dce3ff;
  font-family: var(--biz-en);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.biz-cta-title {
  margin: 13px 0 0;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: -0.03em;
}

.biz-cta-copy {
  margin: 14px 0 0;
  color: #eef1ff;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.9;
}

.biz-cta-actions {
  margin-top: 0;
}

.biz-cta .biz-button {
  background: #fff;
  color: var(--biz-ink) !important;
  box-shadow: 5px 5px 0 rgba(16, 32, 51, 0.4);
}

.biz-cta .biz-button:hover {
  background: var(--biz-yellow);
}

.biz-legal-note {
  margin: 24px 0 0;
  color: var(--biz-muted);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.8;
}

@media (max-width: 980px) {
  .biz-hero-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .biz-training-hero {
    background-position: 30% center;
  }

  .biz-hero-panel {
    max-width: 680px;
  }

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

  .biz-fact:nth-child(2) {
    border-right: 0;
  }

  .biz-fact:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(16, 32, 51, 0.25);
  }

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

  .biz-model {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .biz-model-arrow {
    min-height: 62px;
    transform: rotate(90deg);
  }

  .biz-partner-solution-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .biz-partner-visual {
    width: min(100%, 680px);
    margin-inline: auto;
  }

  .biz-white-label {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .biz-flow-item + .biz-flow-item {
    border-left: 2px solid var(--biz-ink);
  }

  .biz-flow-item:nth-child(even) {
    border-left: 0;
  }

  .biz-flow-item:first-child {
    border-radius: 22px 0 0 0;
  }

  .biz-flow-item:nth-child(2) {
    border-radius: 0 22px 0 0;
  }

  .biz-flow-item:nth-child(3) {
    border-radius: 0 0 0 22px;
  }

  .biz-flow-item:last-child {
    border-radius: 0 0 22px 0;
  }

  .biz-flow-item:nth-child(n + 3) {
    border-top: 0;
  }

  .biz-cta-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  body.business-service-page {
    font-size: 15px;
  }

  .biz-container {
    width: min(100% - 32px, 1120px);
  }

  .biz-breadcrumb {
    padding-top: 16px;
  }

  .biz-hero {
    padding: 28px 0 70px;
  }

  .biz-training-hero {
    min-height: 720px;
    padding: 72px 0 78px;
    background-image:
      linear-gradient(180deg, rgba(6, 31, 62, 0.83) 0%, rgba(6, 31, 62, 0.86) 52%, rgba(6, 31, 62, 0.93) 100%),
      url("/images/aio-training/hero-instructor-wide-v3.jpg");
    background-position: 57% center;
  }

  .biz-partner-hero {
    background-image:
      linear-gradient(180deg, rgba(6, 31, 62, 0.78) 0%, rgba(6, 31, 62, 0.82) 50%, rgba(6, 31, 62, 0.94) 100%),
      url("/images/aio-partner/hero-mizuma-candidate-1.png");
    background-position: 62% center;
  }

  .biz-training-hero-inner {
    width: min(100% - 32px, 1120px);
  }

  .biz-hero-title {
    font-size: clamp(2.35rem, 13vw, 3.35rem);
  }

  .biz-training-title-line {
    font-size: clamp(1.8rem, 8.2vw, 3.4rem);
  }

  .biz-training-aio-line {
    font-size: clamp(2rem, 8.8vw, 3.8rem);
  }

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

  .biz-button {
    width: 100%;
  }

  .biz-hero-panel {
    padding: 22px;
    border-radius: 22px;
    box-shadow: 9px 9px 0 var(--biz-shadow);
  }

  .biz-money-amount {
    font-size: 1.95rem;
  }

  .biz-section {
    padding: 70px 0;
  }

  .biz-card-grid,
  .biz-card-grid.is-two,
  .biz-price-grid,
  .biz-audience-grid,
  .biz-flow,
  .biz-scope-grid {
    grid-template-columns: 1fr;
  }

  .biz-card,
  .biz-price-card,
  .biz-audience-card {
    padding: 24px;
  }

  .biz-problem-item {
    grid-template-columns: 50px minmax(0, 1fr);
    gap: 10px 14px;
    padding: 26px 0;
  }

  .biz-problem-copy {
    grid-column: 2;
  }

  .biz-partner-solution-grid {
    margin-top: 42px;
  }

  .biz-mobile-only {
    display: inline;
  }

  .biz-partner-step {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
    padding: 24px 0;
  }

  .biz-partner-trust {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 20px;
  }

  .biz-partner-result {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 40px;
    padding: 22px;
  }

  .biz-partner-result-symbol {
    line-height: 1;
    text-align: center;
  }

  .biz-scope-column {
    padding: 26px;
  }

  .biz-scope-column + .biz-scope-column {
    border-top: 2px solid var(--biz-ink);
    border-left: 0;
  }

  .biz-margin-equation {
    grid-template-columns: 1fr;
  }

  .biz-equation-sign {
    line-height: 1;
    text-align: center;
  }

  .biz-flow-item,
  .biz-flow-item + .biz-flow-item,
  .biz-flow-item:nth-child(n + 3) {
    border: 2px solid var(--biz-ink);
    border-bottom: 0;
    border-radius: 0;
  }

  .biz-flow-item:first-child {
    border-radius: 22px 22px 0 0;
  }

  .biz-flow-item:last-child {
    border-bottom: 2px solid var(--biz-ink);
    border-radius: 0 0 22px 22px;
  }

  .biz-related,
  .biz-cta-box {
    grid-template-columns: 1fr;
    padding: 28px 24px;
  }

  .biz-facts-grid {
    grid-template-columns: 1fr;
  }

  .biz-fact,
  .biz-fact:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid rgba(16, 32, 51, 0.25);
  }

  .biz-fact:last-child {
    border-bottom: 0;
  }

  .biz-schedule-row {
    grid-template-columns: 68px 1fr;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .biz-button {
    transition: none;
  }
}