/* =============================================================
   AI＋DX ページ — v3（P920・2026-09-28）
   共通の部品は components.css。ここはこのページだけの図解の形（ad- で始める）。
   ============================================================= */

.ad-intro-text {
  margin-top: 24px;
  color: var(--lc-steel-700);
}

/* ---------- はじめに: 個人の知識 → 組織の知識（赤は GOAL の点だけ） ---------- */
.ad-knowledge {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  align-self: center;
}

.ad-knowledge__box {
  padding: 20px 16px 18px;
  background: #fff;
  border: 1px solid var(--lc-steel-200);
  border-radius: var(--lc-radius-m);
  text-align: center;
}

.ad-knowledge__box--goal {
  border-color: var(--lc-navy-800);
  box-shadow: var(--lc-shadow-card);
}

.ad-knowledge__label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--lc-steel-500);
}

.ad-knowledge__icon {
  width: 72px;
  height: 54px;
  margin: 10px auto 6px;
  color: var(--lc-steel-700);
}

.ad-knowledge__icon .ad-dot {
  fill: var(--lc-blue-600);
  stroke: none;
}

.ad-knowledge__icon .ad-goal {
  fill: var(--lc-red);
  stroke: none;
}

.ad-knowledge__name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--lc-navy-800);
}

.ad-knowledge__sub {
  margin-top: 4px;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--lc-steel-500);
  word-break: auto-phrase;
  overflow-wrap: anywhere;
}

.ad-knowledge__arrow {
  position: relative;
  width: 104px;
  padding-bottom: 20px;
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
  color: var(--lc-blue-600);
}

.ad-knowledge__arrow::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 10px;
  bottom: 7px;
  border-top: 2px solid var(--lc-blue-600);
}

.ad-knowledge__arrow::before {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 2px;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--lc-blue-600);
  border-right: 2px solid var(--lc-blue-600);
  transform: rotate(45deg);
}

@media (max-width: 639px) {
  .ad-knowledge {
    grid-template-columns: 1fr;
  }

  .ad-knowledge__arrow {
    width: auto;
    padding: 0 0 28px;
  }

  .ad-knowledge__arrow::after {
    left: 50%;
    right: auto;
    top: 42px;
    bottom: 4px;
    border-top: none;
    border-left: 2px solid var(--lc-blue-600);
  }

  .ad-knowledge__arrow::before {
    right: auto;
    left: 50%;
    bottom: 2px;
    margin-left: -5px;
    transform: rotate(135deg);
  }
}

/* RPA のもう一歩先 */
.ad-rpa-note {
  margin-top: clamp(48px, 6vw, 72px);
  padding: clamp(24px, 4vw, 40px);
  background: var(--lc-steel-50);
  border-radius: var(--lc-radius-m);
}

.ad-rpa-note > * + * {
  margin-top: 18px;
}

.ad-rpa-note > p {
  color: var(--lc-steel-700);
  word-break: auto-phrase;
  overflow-wrap: anywhere;
}

.ad-rpa-note__goal {
  padding-top: 18px;
  border-top: 1px solid var(--lc-steel-200);
  color: var(--lc-ink) !important;
  font-weight: 500;
}

/* ---------- §A: 本来の DX（4 つの状態） ---------- */
.ad-view {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.ad-view li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--lc-steel-200);
  border-radius: var(--lc-radius-m);
  line-height: 1.8;
  word-break: auto-phrase;
  overflow-wrap: anywhere;
}

.ad-view__no {
  flex: none;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--lc-blue-600);
}

@media (max-width: 767px) {
  .ad-view {
    grid-template-columns: 1fr;
  }
}

/* NOW → NEXT */
.ad-shift {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  margin-top: clamp(36px, 5vw, 56px);
}

.ad-shift__box {
  padding: 22px 24px;
  background: var(--lc-steel-50);
  border: 1px dashed var(--lc-steel-300);
  border-radius: var(--lc-radius-m);
}

.ad-shift__box--next {
  background: var(--lc-navy-800);
  border: 1px solid var(--lc-navy-800);
  color: #fff;
}

.ad-shift__label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--lc-steel-500);
}

.ad-shift__box--next .ad-shift__label {
  color: rgba(255, 255, 255, 0.7);
}

.ad-shift__text {
  margin-top: 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.6;
  word-break: auto-phrase;
  overflow-wrap: anywhere;
}

.ad-shift__arrow {
  position: relative;
  width: 132px;
  padding-bottom: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
  color: var(--lc-blue-600);
}

.ad-shift__arrow::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 10px;
  bottom: 7px;
  border-top: 2px solid var(--lc-blue-600);
}

.ad-shift__arrow::before {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 2px;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--lc-blue-600);
  border-right: 2px solid var(--lc-blue-600);
  transform: rotate(45deg);
}

@media (max-width: 767px) {
  .ad-shift {
    grid-template-columns: 1fr;
  }

  .ad-shift__arrow {
    width: auto;
    padding: 0 0 28px;
  }

  .ad-shift__arrow::after {
    left: 50%;
    right: auto;
    top: 42px;
    bottom: 4px;
    border-top: none;
    border-left: 2px solid var(--lc-blue-600);
  }

  .ad-shift__arrow::before {
    right: auto;
    left: 50%;
    bottom: 2px;
    margin-left: -5px;
    transform: rotate(135deg);
  }
}

.ad-note {
  margin-top: 28px;
  max-width: 52em;
  color: var(--lc-steel-700);
  word-break: auto-phrase;
  overflow-wrap: anywhere;
}

/* ---------- §B: いまあるシステム → AI エージェント → できるようになること ---------- */
.ad-connect__caption {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 28px;
}

.ad-connect__title {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--lc-navy-800);
  word-break: auto-phrase;
  overflow-wrap: anywhere;
}

.ad-connect__sub {
  font-size: 0.75rem;
  color: var(--lc-steel-500);
}

.ad-connect__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px minmax(0, 1.2fr);
  align-items: center;
  gap: 64px;
}

.ad-connect__col {
  position: relative;
  display: grid;
  gap: 12px;
}

.ad-connect__col li {
  position: relative;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--lc-steel-300);
  border-radius: var(--lc-radius-s);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.5;
  word-break: auto-phrase;
  overflow-wrap: anywhere;
}

/* 左の列: 各システムから右の縦の線（バス）へ */
.ad-connect__col--systems li::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  width: 32px;
  border-top: 1.5px solid var(--lc-steel-500);
}

.ad-connect__col--systems::after {
  content: "";
  position: absolute;
  left: calc(100% + 32px);
  top: 24px;
  bottom: 24px;
  border-left: 1.5px solid var(--lc-steel-500);
}

/* 右の列: 縦の線（バス）から各「できること」へ */
.ad-connect__col--outputs li {
  background: var(--lc-blue-50);
  border-color: var(--lc-blue-200);
  color: var(--lc-navy-800);
}

.ad-connect__col--outputs li .lc-en {
  display: block;
  margin-bottom: 2px;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--lc-blue-600);
}

.ad-connect__col--outputs li::before {
  content: "";
  position: absolute;
  right: 100%;
  top: 50%;
  width: 32px;
  border-top: 1.5px solid var(--lc-blue-600);
}

.ad-connect__col--outputs::before {
  content: "";
  position: absolute;
  right: calc(100% + 32px);
  top: 34px;
  bottom: 34px;
  border-left: 1.5px solid var(--lc-blue-600);
}

/* 真ん中: AI エージェント（左右のバスとつなぐ） */
.ad-connect__agent {
  position: relative;
  padding: 24px 18px;
  background: var(--lc-navy-800);
  border-radius: var(--lc-radius-m);
  color: #fff;
  text-align: center;
  box-shadow: var(--lc-shadow-float);
}

.ad-connect__agent::before,
.ad-connect__agent::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 32px;
  border-top: 1.5px solid var(--lc-steel-500);
}

.ad-connect__agent::before {
  right: 100%;
}

.ad-connect__agent::after {
  left: 100%;
  border-top-color: var(--lc-blue-600);
}

.ad-connect__agent .lc-en {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.66);
}

.ad-connect__agent-name {
  margin-top: 6px;
  font-size: 1.1875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.ad-connect__agent-sub {
  margin-top: 6px;
  font-size: 0.75rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
}

@media (max-width: 1023px) {
  .ad-connect__body {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .ad-connect__col--systems {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ad-connect__col li::after,
  .ad-connect__col li::before,
  .ad-connect__col--systems::after,
  .ad-connect__col--outputs::before,
  .ad-connect__agent::before,
  .ad-connect__agent::after {
    display: none;
  }

  /* 縦の矢印で上から下へ */
  .ad-connect__agent,
  .ad-connect__col--outputs {
    position: relative;
  }

  .ad-connect__agent::before {
    display: block;
    left: 50%;
    right: auto;
    top: -32px;
    width: 0;
    height: 24px;
    border-top: none;
    border-left: 1.5px solid var(--lc-steel-500);
  }

  .ad-connect__col--outputs::before {
    display: block;
    left: 50%;
    right: auto;
    top: -32px;
    bottom: auto;
    height: 24px;
    border-left: 1.5px solid var(--lc-blue-600);
  }
}

.ad-cases-title,
.ad-steps-title,
.ad-practice-title {
  margin: clamp(40px, 5vw, 56px) 0 16px;
}

/* ---------- §C: RPA と AI エージェント ---------- */
.ad-compare thead th {
  vertical-align: middle;
}

.ad-compare__head {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 2px;
  background: var(--lc-steel-100);
  color: var(--lc-steel-700);
  font-size: 0.875rem;
}

.ad-compare__head--agent {
  background: var(--lc-navy-800);
  color: #fff;
}

.ad-compare td:last-child {
  background: var(--lc-blue-50);
  font-weight: 500;
  color: var(--lc-navy-800);
}

.ad-c-text {
  margin-top: clamp(32px, 4vw, 48px);
  align-items: center;
}

.ad-quote {
  padding-left: 20px;
  border-left: 3px solid var(--lc-blue-600);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.9;
  color: var(--lc-navy-800);
  word-break: auto-phrase;
  overflow-wrap: anywhere;
}

/* ---------- §D ---------- */
.ad-lead-text {
  margin-bottom: 24px;
  color: var(--lc-steel-700);
}

/* D-1: S・M・L（箱の大きさで規模を見せる） */
.ad-scale {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  gap: 20px;
}

.ad-scale__item {
  display: flex;
  flex-direction: column;
  padding: 24px 22px;
  background: #fff;
  border: 1px solid var(--lc-steel-200);
  border-radius: var(--lc-radius-m);
}

.ad-scale__box {
  display: block;
  margin-bottom: 18px;
  border: 1.5px solid var(--lc-navy-800);
  border-radius: 3px;
  background:
    linear-gradient(to right, var(--lc-blue-100) 1px, transparent 1px) 0 0 / 12px 12px,
    linear-gradient(to bottom, var(--lc-blue-100) 1px, transparent 1px) 0 0 / 12px 12px,
    var(--lc-blue-50);
}

.ad-scale__item--s .ad-scale__box {
  width: 40px;
  height: 40px;
}

.ad-scale__item--m .ad-scale__box {
  width: 72px;
  height: 72px;
}

.ad-scale__item--l .ad-scale__box {
  width: 108px;
  height: 108px;
  background-color: var(--lc-blue-100);
}

.ad-scale__size {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--lc-blue-600);
}

.ad-scale__name {
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  word-break: auto-phrase;
  overflow-wrap: anywhere;
}

.ad-scale__text {
  margin-top: 6px;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--lc-steel-700);
}

@media (max-width: 767px) {
  .ad-scale {
    grid-template-columns: 1fr;
  }
}

/* D-2: ドキュメントに残すこと */
.ad-doc {
  position: relative;
  padding: 26px 26px 22px;
  background: #fff;
  border: 1px solid var(--lc-steel-200);
  border-radius: 4px;
  box-shadow: var(--lc-shadow-card);
}

/* 紙の右上の折り返し */
.ad-doc::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  border-style: solid;
  border-width: 0 22px 22px 0;
  border-color: transparent var(--lc-steel-50) var(--lc-steel-200) transparent;
}

.ad-doc__label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--lc-steel-500);
}

.ad-doc__list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.ad-doc__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--lc-steel-100);
  font-weight: 700;
}

.ad-doc__list .lc-en {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--lc-blue-600);
}

.ad-doc__foot {
  margin-top: 14px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--lc-navy-800);
}

/* D-3: 5 つのステップ */
.ad-dev-steps {
  gap: 24px;
}

.ad-dev-steps .lc-step {
  padding: 18px 16px;
}

.ad-dev-steps .lc-step + .lc-step::before {
  left: -18px;
}

@media (max-width: 1023px) {
  .ad-dev-steps .lc-step + .lc-step::before {
    left: 50%;
  }
}

/* ---------- §E ---------- */
.ad-foundation {
  margin-top: clamp(36px, 5vw, 56px);
}

.ad-foundation .lc-link-arrow {
  margin-top: 16px;
}

/* ---------- §F: 私たち自身の実践 ---------- */
.ad-practice {
  margin-top: clamp(40px, 5vw, 56px);
  padding: clamp(24px, 4vw, 40px);
  background: #fff;
  border: 1px solid var(--lc-steel-200);
  border-left: 3px solid var(--lc-blue-600);
  border-radius: 0 var(--lc-radius-m) var(--lc-radius-m) 0;
}

.ad-practice__title {
  margin-top: 10px;
  font-size: clamp(1.1875rem, 2vw, 1.375rem);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.05em;
  word-break: auto-phrase;
  overflow-wrap: anywhere;
}

.ad-practice .lc-prose {
  margin-top: 14px;
  color: var(--lc-steel-700);
}

.ad-practice .lc-link-arrow {
  margin-top: 18px;
}