@charset "UTF-8";
/* ============
共通：セクション余白
============ */
section#ph-ai,
section#ph-cost,
section#ph-value,
section#ph-project,
section#ph-reference {
  margin: 7rem 0;
}
@media screen and (max-width: 767px) {
  section#ph-ai,
  section#ph-cost,
  section#ph-value,
  section#ph-project,
  section#ph-reference {
    margin: 4.5rem 0;
  }
}

section#ph-challenge .bg,
section#ph-hybrid .bg,
section#ph-strategy .bg,
section#ph-roi .bg,
section#ph-conclusion .bg,
section#ph-cta .bg {
  padding: 7rem 0;
}
@media screen and (max-width: 767px) {
  section#ph-challenge .bg,
  section#ph-hybrid .bg,
  section#ph-strategy .bg,
  section#ph-roi .bg,
  section#ph-conclusion .bg,
  section#ph-cta .bg {
    padding: 4.5rem 0;
  }
}

section[id^=ph-] .contents {
  margin-top: 3.5rem;
}
@media screen and (max-width: 767px) {
  section[id^=ph-] .contents {
    margin-top: 2.5rem;
  }
}

/* ============
共通パーツ
============ */
.ph-lead {
  text-align: center;
  font-size: 1.0625rem;
  line-height: 2.1;
}
@media screen and (max-width: 767px) {
  .ph-lead {
    font-size: 1rem;
    text-align: left;
  }
}

.ph-text {
  line-height: 2;
  margin: 0.8rem 0;
}
.ph-text strong {
  color: #2C55A7;
}

.ph-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}
.ph-list li {
  position: relative;
  padding-left: 1.4rem;
  line-height: 1.9;
  margin-bottom: 0.3rem;
}
.ph-list li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.72em;
  width: 0.45rem;
  height: 0.45rem;
  background-color: #2C55A7;
  border-radius: 50%;
}
.ph-list--inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.1rem 1.5rem;
}
@media screen and (max-width: 767px) {
  .ph-list--inline {
    grid-template-columns: 1fr;
  }
}

.ph-arrow {
  position: relative;
  margin-top: 1.2rem;
  padding: 0.85rem 1.2rem 0.85rem 2.5rem;
  background-color: rgba(44, 85, 167, 0.07);
  border-radius: 8px;
  line-height: 1.7;
  font-weight: 600;
  color: #252525;
}
.ph-arrow::before {
  content: "→";
  position: absolute;
  left: 1rem;
  top: 0.85rem;
  color: #2C55A7;
  font-weight: 700;
}

.ph-subhead {
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 3.5rem 0 1.5rem;
  padding-left: 1rem;
  border-left: 5px solid #2C55A7;
}
@media screen and (max-width: 767px) {
  .ph-subhead {
    font-size: 1.2rem;
    margin: 2.5rem 0 1.2rem;
  }
}
.ph-subhead--sm {
  font-size: 1.0625rem;
  margin: 0 0 1rem;
  border-left-width: 4px;
}
@media screen and (max-width: 767px) {
  .ph-subhead--sm {
    font-size: 1.05rem;
  }
}

.ph-callout {
  background-color: #EAEEF6;
  border-radius: 16px;
  padding: 2.5rem;
  margin-top: 3rem;
  text-align: center;
}
@media screen and (max-width: 767px) {
  .ph-callout {
    padding: 1.8rem 1.4rem;
  }
}
.ph-callout__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #2C55A7;
  line-height: 1.6;
  margin-bottom: 1.2rem;
}
@media screen and (max-width: 767px) {
  .ph-callout__title {
    font-size: 1.15rem;
  }
}
.ph-callout__text {
  line-height: 2;
}
@media screen and (max-width: 767px) {
  .ph-callout__text {
    text-align: left;
  }
}
.ph-callout--accent {
  background: linear-gradient(135deg, #2C55A7 0%, #1d3d78 100%);
}
.ph-callout--accent .ph-callout__title {
  color: #ffffff;
}
.ph-callout--accent .ph-callout__text {
  color: #ffffff;
}

.ph-note {
  margin-top: 2rem;
  font-size: 0.8125rem;
  color: #888888;
  line-height: 2;
  padding: 1.2rem 1.5rem;
  background-color: #f6f7f9;
  border-radius: 8px;
}

.ph-message {
  margin-top: 4rem;
  text-align: center;
  line-height: 1.9;
}
@media screen and (max-width: 767px) {
  .ph-message {
    margin-top: 2.8rem;
  }
}
.ph-message p {
  margin: 0;
  font-weight: 700;
  background: linear-gradient(95deg, #4f7fd6 0%, #2C55A7 55%, #1d3d78 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: #2C55A7;
  -webkit-text-fill-color: transparent;
}
.ph-message p:first-child {
  font-size: 1.875rem;
}
@media screen and (max-width: 767px) {
  .ph-message p:first-child {
    font-size: 1.5rem;
  }
}
.ph-message p:last-child {
  font-size: 1.5rem;
  margin-top: 1rem;
}
@media screen and (max-width: 767px) {
  .ph-message p:last-child {
    font-size: 1.2rem;
  }
}

/* ============
1章：ナンバーカード（グリッド）
============ */
.ph-cards {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media screen and (max-width: 767px) {
  .ph-cards {
    grid-template-columns: 1fr;
  }
}

.ph-card {
  position: relative;
  background-color: #ffffff;
  border: 1px solid #E3E8F0;
  border-radius: 16px;
  padding: 2.2rem 2rem 2rem;
  overflow: hidden;
}
@media screen and (max-width: 767px) {
  .ph-card {
    padding: 1.8rem 1.4rem;
  }
}
.ph-card__num {
  position: absolute;
  top: 0.6rem;
  right: 1.2rem;
  font-family: "new-atten", sans-serif;
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(44, 85, 167, 0.12);
}
.ph-card__title {
  position: relative;
  font-size: 1.1875rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 1rem;
  padding-right: 2.5rem;
}
@media screen and (max-width: 767px) {
  .ph-card__title {
    font-size: 1.1rem;
  }
}

/* ============
2章：課題パネル（ヘッダーバー型）
============ */
.ph-issues {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.ph-issue {
  background-color: #ffffff;
  border: 1px solid #E3E8F0;
  border-radius: 14px;
  overflow: hidden;
}
.ph-issue__head {
  background-color: #2C55A7;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.5;
  padding: 1rem 1.5rem;
}
@media screen and (max-width: 767px) {
  .ph-issue__head {
    font-size: 1.05rem;
    padding: 0.9rem 1.2rem;
  }
}
.ph-issue__body {
  padding: 1.5rem 1.8rem 1.8rem;
}
@media screen and (max-width: 767px) {
  .ph-issue__body {
    padding: 1.2rem 1.3rem;
  }
}
.ph-issue__body .ph-arrow {
  margin-bottom: 0;
}

/* ============
3章・5章：テーブル
============ */
.ph-table-wrap {
  margin-top: 1.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.ph-table {
  width: 100%;
  border-collapse: collapse;
  background-color: #ffffff;
  font-size: 0.9375rem;
  min-width: 600px;
}
@media screen and (max-width: 767px) {
  .ph-table {
    font-size: 0.9rem;
  }
}
.ph-table th, .ph-table td {
  border: 1px solid #E3E8F0;
  padding: 1rem 1.2rem;
  line-height: 1.8;
  text-align: left;
  vertical-align: top;
}
@media screen and (max-width: 767px) {
  .ph-table th, .ph-table td {
    padding: 0.7rem 0.8rem;
  }
}
.ph-table thead th {
  background-color: #2C55A7;
  color: #ffffff;
  font-weight: 700;
  text-align: center;
  border-color: #2C55A7;
}
.ph-table tbody th {
  background-color: #EAEEF6;
  font-weight: 700;
  color: #252525;
  white-space: nowrap;
}
.ph-table--compare thead th:nth-child(2) {
  background-color: #5b7bbd;
  border-color: #5b7bbd;
}
.ph-table--compare thead th:nth-child(3) {
  background-color: #C81E32;
  border-color: #C81E32;
}

.ph-pill {
  display: inline-block;
  background-color: rgba(44, 85, 167, 0.1);
  color: #2C55A7;
  font-weight: 700;
  font-size: 0.9em;
  padding: 0.2rem 0.7rem;
  border-radius: 1rem;
  white-space: nowrap;
}

/* ============
4章：プロダクト＆Before/After
============ */
.ph-products {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
@media screen and (max-width: 767px) {
  .ph-products {
    grid-template-columns: 1fr;
  }
}

.ph-product {
  background-color: #ffffff;
  border: 1px solid #E3E8F0;
  border-top: 4px solid #2C55A7;
  padding: 2.5rem 2rem;
}
@media screen and (max-width: 767px) {
  .ph-product {
    padding: 1.8rem 1.4rem;
  }
}
.ph-product__label {
  font-family: "new-atten", sans-serif;
  font-size: 1.375rem;
  font-weight: 700;
  color: #2C55A7;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}
.ph-product__desc {
  line-height: 2;
  font-size: 0.9375rem;
  margin-bottom: 1.2rem;
}
.ph-product__price {
  font-weight: 700;
  font-size: 0.9375rem;
}
.ph-product__price span {
  color: #2C55A7;
  font-size: 1.5rem;
  margin: 0 0.2rem;
}
.ph-product__price small {
  font-weight: 500;
  color: #888888;
  font-size: 0.8125rem;
}

.ph-flow {
  background-color: #EAEEF6;
  border-radius: 14px;
  padding: 2rem 2.2rem;
  margin-top: 1.5rem;
}
@media screen and (max-width: 767px) {
  .ph-flow {
    padding: 1.5rem 1.3rem;
  }
}
.ph-flow__title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.125rem;
  font-weight: 700;
  color: #252525;
  margin-bottom: 1.2rem;
}
@media screen and (max-width: 767px) {
  .ph-flow__title {
    font-size: 1.1rem;
  }
}
.ph-flow__no {
  color: #2C55A7;
  font-size: 1.375rem;
  font-weight: 700;
  flex-shrink: 0;
}
.ph-flow__ba {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
@media screen and (max-width: 767px) {
  .ph-flow__ba {
    grid-template-columns: 1fr;
  }
}
.ph-flow__before, .ph-flow__after {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 1.2rem 1.4rem;
  line-height: 1.9;
}
.ph-flow__after {
  border: 2px solid #2C55A7;
}
.ph-flow__tag {
  display: inline-block;
  font-family: "new-atten", sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: #888888;
  margin-bottom: 0.5rem;
}
.ph-flow__after .ph-flow__tag {
  color: #2C55A7;
}
.ph-flow__steps {
  margin: 0.8rem 0 0;
  padding-left: 1.5rem;
}
.ph-flow__steps li {
  line-height: 1.9;
  margin-bottom: 0.3rem;
}

/* ============
5章：3カラムブロック
============ */
.ph-block-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media screen and (max-width: 767px) {
  .ph-block-grid {
    grid-template-columns: 1fr;
  }
}

.ph-block {
  background-color: #ffffff;
  border: 1px solid #E3E8F0;
  border-radius: 12px;
  padding: 1.8rem 1.6rem;
}
.ph-block__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #2C55A7;
  margin-bottom: 0.8rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid rgba(44, 85, 167, 0.15);
}
.ph-block .ph-arrow {
  background-color: rgba(44, 85, 167, 0.07);
}

/* ============
6章：ポイント（番号チップ横並び）
============ */
.ph-points {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.ph-point {
  display: flex;
  gap: 1.5rem;
  background-color: #ffffff;
  border: 1px solid #E3E8F0;
  border-left: 4px solid #2C55A7;
  padding: 2rem 2.2rem;
}
@media screen and (max-width: 767px) {
  .ph-point {
    flex-direction: column;
    gap: 0.6rem;
    padding: 1.5rem 1.3rem;
  }
}
.ph-point__num {
  flex-shrink: 0;
  font-family: "new-atten", sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: #2C55A7;
}
@media screen and (max-width: 767px) {
  .ph-point__num {
    font-size: 1.875rem;
  }
}
.ph-point__body {
  flex-grow: 1;
}
.ph-point__title {
  font-size: 1.1875rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 0.8rem;
}
@media screen and (max-width: 767px) {
  .ph-point__title {
    font-size: 1.1rem;
  }
}

/* ============
7章：図版＋指標
============ */
.ph-figure-group {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: start;
}
@media screen and (max-width: 1100px) {
  .ph-figure-group {
    gap: 1.5rem;
  }
}
@media screen and (max-width: 767px) {
  .ph-figure-group {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.ph-figure {
  margin-top: 0;
  border: 2px dashed rgba(44, 85, 167, 0.35);
  border-radius: 12px;
  background-color: #f6f7f9;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media screen and (max-width: 767px) {
  .ph-figure {
    min-height: 130px;
  }
}
.ph-figure__note {
  color: #888888;
  font-size: 0.875rem;
  font-weight: 500;
}

.ph-figure--img {
  position: relative;
  border: none;
  background-color: transparent;
  min-height: 0;
  padding: 0;
  cursor: zoom-in;
}
@media screen and (max-width: 767px) {
  .ph-figure--img {
    min-height: 0;
  }
}
.ph-figure--img img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid #E3E8F0;
}
.ph-figure--img::after {
  content: "クリックで拡大";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  background-color: rgba(8, 22, 72, 0.45);
  border-radius: 12px;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}
.ph-figure--img:hover::after {
  opacity: 1;
}

/* 図版ズーム用ライトボックス */
.ph-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 4vw;
  background-color: rgba(8, 22, 72, 0.88);
  cursor: zoom-out;
}
.ph-lightbox.is-open {
  display: flex;
}
.ph-lightbox__img {
  max-width: 95vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}
.ph-lightbox__close {
  position: absolute;
  top: 1.2rem;
  right: 1.6rem;
  width: 2.8rem;
  height: 2.8rem;
  padding: 0;
  font-size: 2rem;
  line-height: 1;
  color: #ffffff;
  background-color: transparent;
  border: none;
  cursor: pointer;
}
@media screen and (max-width: 767px) {
  .ph-lightbox__close {
    top: 0.8rem;
    right: 1rem;
  }
}

/* 参考（B-4）：Excel × Copilot 価格推奨フロー */
.ph-ref {
  margin-top: 2rem;
}
.ph-ref__step {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.125rem;
  font-weight: 700;
  color: #2C55A7;
  margin-bottom: 1rem;
}
@media screen and (max-width: 767px) {
  .ph-ref__step {
    font-size: 1rem;
  }
}
.ph-ref__step-no {
  flex-shrink: 0;
  padding: 0.25rem 0.8rem;
  background-color: #2C55A7;
  color: #ffffff;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  border-radius: 4px;
}
.ph-ref__prompt {
  border: 1px solid #E3E8F0;
  border-radius: 12px;
  background-color: #f6f7f9;
  padding: 1.5rem 1.8rem;
}
@media screen and (max-width: 767px) {
  .ph-ref__prompt {
    padding: 1.2rem 1rem;
  }
}
.ph-ref__prompt-title {
  font-weight: 700;
  color: #252525;
  margin-bottom: 0.8rem;
}
.ph-ref__prompt-body {
  margin: 0;
  font-family: "SFMono-Regular", Consolas, "Courier New", monospace;
  font-size: 0.84375rem;
  line-height: 1.85;
  color: #252525;
  white-space: pre-wrap;
  word-break: break-word;
}
@media screen and (max-width: 767px) {
  .ph-ref__prompt-body {
    font-size: 0.71875rem;
    line-height: 1.7;
  }
}
.ph-ref__memo {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: #888888;
  line-height: 1.7;
}
.ph-ref__flow {
  margin: 1.8rem 0;
  text-align: center;
  font-weight: 700;
  color: #2C55A7;
  line-height: 1.6;
}
.ph-ref__flow::before {
  content: "▼";
  display: block;
  margin-bottom: 0.4rem;
  color: #2C55A7;
}
@media screen and (max-width: 767px) {
  .ph-ref__flow {
    font-size: 0.875rem;
  }
}
.ph-ref__cap {
  margin-top: 0.8rem;
  font-size: 0.8125rem;
  color: #888888;
  line-height: 1.6;
}
.ph-ref__summary {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1.5rem;
}
@media screen and (max-width: 767px) {
  .ph-ref__summary {
    grid-template-columns: 1fr;
  }
}
.ph-ref__sum {
  border-radius: 12px;
  padding: 1.5rem 1.8rem;
}
@media screen and (max-width: 767px) {
  .ph-ref__sum {
    padding: 1.2rem 1.2rem;
  }
}
.ph-ref__sum--ai {
  background-color: #EAF4EC;
  border: 1px solid #CFE3D4;
}
.ph-ref__sum--rm {
  background-color: #EAEEF6;
  border: 1px solid #E3E8F0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.ph-ref__sum-head {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.8rem;
}
.ph-ref__sum--ai .ph-ref__sum-head {
  color: #2E7D52;
}
.ph-ref__sum--rm .ph-ref__sum-head {
  color: #2C55A7;
}
.ph-ref__sum-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  line-height: 1.6;
}
.ph-ref__sum-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #2E7D52;
  font-weight: 700;
}
.ph-ref__sum-list li:last-child {
  margin-bottom: 0;
}
.ph-ref__sum-rm {
  font-size: 1.375rem;
  font-weight: 700;
  color: #2C55A7;
  line-height: 1.4;
}
.ph-ref__sum-rm span {
  font-size: 0.875rem;
  font-weight: 500;
  color: #888888;
}

.ph-metrics {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media screen and (max-width: 767px) {
  .ph-metrics {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.ph-metric {
  background-color: #ffffff;
  border: 1px solid #E3E8F0;
  border-radius: 14px;
  padding: 2rem 1rem;
  text-align: center;
}
.ph-metric__label {
  font-weight: 700;
  color: #888888;
  font-size: 0.9375rem;
  margin-bottom: 0.6rem;
}
.ph-metric__value {
  font-family: "new-atten", sans-serif;
  font-weight: 700;
  color: #2C55A7;
  font-size: 2.25rem;
  line-height: 1;
}
.ph-metric__value span {
  font-size: 1.25rem;
  margin-left: 0.1rem;
}

/* ============
8章：STEP＋成功/失敗
============ */
.ph-steps {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.ph-step {
  display: flex;
  gap: 1.5rem;
  background-color: #ffffff;
  border: 1px solid #E3E8F0;
  border-radius: 14px;
  padding: 2rem 2.2rem;
}
@media screen and (max-width: 767px) {
  .ph-step {
    flex-direction: column;
    gap: 0.8rem;
    padding: 1.5rem 1.3rem;
  }
}
.ph-step__num {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background-color: rgba(44, 85, 167, 0.08);
  font-family: "new-atten", sans-serif;
  font-weight: 700;
  color: #2C55A7;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  line-height: 1;
}
.ph-step__num span {
  font-size: 1.5rem;
  margin-top: 0.2rem;
}
@media screen and (max-width: 767px) {
  .ph-step__num {
    flex-direction: row;
    align-items: baseline;
    gap: 0.3rem;
    width: auto;
    height: auto;
    border-radius: 1rem;
    padding: 0.4rem 1rem;
    align-self: flex-start;
  }
  .ph-step__num span {
    margin-top: 0;
  }
}
.ph-step__body {
  flex-grow: 1;
}
.ph-step__title {
  font-size: 1.1875rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}
@media screen and (max-width: 767px) {
  .ph-step__title {
    font-size: 1.1rem;
  }
}

.ph-vs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
@media screen and (max-width: 767px) {
  .ph-vs {
    grid-template-columns: 1fr;
  }
}
.ph-vs__fail, .ph-vs__success {
  border-radius: 14px;
  padding: 2rem;
  line-height: 1.9;
}
@media screen and (max-width: 767px) {
  .ph-vs__fail, .ph-vs__success {
    padding: 1.5rem 1.3rem;
  }
}
.ph-vs__fail p, .ph-vs__success p {
  margin-bottom: 0.4rem;
}
.ph-vs__fail {
  background-color: #FBEDEC;
  border: 1px solid rgba(199, 84, 80, 0.4);
}
.ph-vs__success {
  background-color: #EAEEF6;
  border: 1px solid rgba(44, 85, 167, 0.4);
}
.ph-vs__label {
  display: inline-block;
  font-weight: 700;
  font-size: 0.875rem;
  color: #ffffff;
  padding: 0.25rem 1.1rem;
  border-radius: 1rem;
  margin-bottom: 1rem !important;
}
.ph-vs__fail .ph-vs__label {
  background-color: #C75450;
}
.ph-vs__success .ph-vs__label {
  background-color: #2C55A7;
}
.ph-vs__head {
  font-weight: 700;
  font-size: 1.0625rem;
  margin-bottom: 0.8rem !important;
}

/* ============
9章：足し算×引き算
============ */
.ph-balance {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
@media screen and (max-width: 767px) {
  .ph-balance {
    grid-template-columns: 1fr;
  }
}
.ph-balance__ai, .ph-balance__human {
  background-color: #ffffff;
  padding: 2rem;
}
@media screen and (max-width: 767px) {
  .ph-balance__ai, .ph-balance__human {
    padding: 1.5rem 1.3rem;
  }
}
.ph-balance__ai {
  border-top: 4px solid #2C55A7;
}
.ph-balance__human {
  border-top: 4px solid #C81E32;
}
.ph-balance__label {
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 1rem;
}
.ph-balance__ai .ph-balance__label {
  color: #2C55A7;
}
.ph-balance__human .ph-balance__label {
  color: #C81E32;
}

/* ============
図版プレースホルダ（インライン）
============ */
.ph-imgph {
  margin-top: 1.5rem;
  border: 2px dashed rgba(44, 85, 167, 0.3);
  border-radius: 8px;
  background-color: #f6f7f9;
  min-height: 140px;
  display: none; /* 一旦非表示（実スクショ用意時に flex へ戻す） */
  align-items: center;
  justify-content: center;
  color: #888888;
  font-size: 0.8125rem;
  font-weight: 500;
}

/* ============
CTA
============ */
section#ph-cta .contents {
  text-align: center;
  margin-top: 0;
}
section#ph-cta .ph-cta__lead {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.8;
  margin-bottom: 2rem;
}
@media screen and (max-width: 767px) {
  section#ph-cta .ph-cta__lead {
    font-size: 1.15rem;
  }
}
section#ph-cta .ph-cta__buttons {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}