/* Decision Logs HP — Draft v0.1 */

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Meiryo", sans-serif;
  color: #1a1a1a;
  background: #ffffff;
  line-height: 1.9;
  font-size: 16px;
}

h1, h2, h3 {
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
}

a { color: #1a2e4a; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Typography ===== */
h1 { font-size: 1.9rem; font-weight: 700; line-height: 1.4; margin-bottom: 1rem; }
h2 { font-size: 1.35rem; font-weight: 700; line-height: 1.5; margin-bottom: 1rem; }
h3 { font-size: 1.05rem; font-weight: 700; line-height: 1.5; margin-bottom: 0.6rem; }
p { margin-bottom: 1rem; }
ul { padding-left: 1.4rem; margin-bottom: 1rem; }
ul li { margin-bottom: 0.4rem; }

/* ===== Layout ===== */
.container { max-width: 760px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 5rem 0; }
.section + .section { border-top: 1px solid #e8e8e8; }

/* ===== Navigation ===== */
.nav {
  background: #ffffff;
  border-bottom: 1px solid #e0e0e0;
  padding: 1.1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #1a1a1a;
}
.nav-logo-img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  border-radius: 4px;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.85rem;
  color: #555;
}
.nav-links a:hover { color: #1a1a1a; text-decoration: none; }

/* ===== Hero ===== */
.hero { padding: 5rem 0 3.5rem; }
.hero-main {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}
.hero-sub {
  font-size: 1rem;
  color: #333;
  line-height: 1.9;
  margin-bottom: 1.5rem;
  max-width: 600px;
}
.hero-note {
  font-size: 0.85rem;
  color: #888;
  border-left: 2px solid #ddd;
  padding-left: 0.9rem;
  margin-top: 1.5rem;
}

/* ===== Core Grid ===== */
.core-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  margin-top: 1.5rem;
}
.core-item {
  border: 1px solid #e0e0e0;
  padding: 1.4rem;
}
.core-item h3 { font-size: 1rem; color: #1a2e4a; margin-bottom: 0.4rem; }
.core-item p { font-size: 0.88rem; color: #555; margin-bottom: 0; line-height: 1.7; }

/* ===== Step List ===== */
.step-list { display: flex; flex-direction: column; gap: 1.2rem; margin-top: 1.5rem; }
.step-item {
  border-left: 3px solid #1a2e4a;
  padding: 1.1rem 1.4rem;
  background: #fafafa;
}
.step-label { font-size: 0.75rem; color: #888; letter-spacing: 0.08em; margin-bottom: 0.25rem; }
.step-item h3 { margin-bottom: 0.4rem; }
.step-item p { font-size: 0.9rem; color: #555; margin-bottom: 0.6rem; }
.step-item a { font-size: 0.85rem; }

/* ===== CTA Block ===== */
.cta-block { background: #f4f4f4; padding: 3rem 0; }
.cta-block .container { text-align: center; }
.cta-block h2 { margin-bottom: 0.8rem; }
.cta-block p { color: #555; margin-bottom: 1.5rem; font-size: 0.95rem; }
.btn {
  display: inline-block;
  background: #1a2e4a;
  color: #ffffff;
  padding: 0.8rem 2.2rem;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}
.btn:hover { background: #253d61; text-decoration: none; }

/* ===== Page Header ===== */
.page-header { padding: 3.5rem 0 2rem; border-bottom: 2px solid #1a2e4a; margin-bottom: 0; }
.page-header h1 { font-size: 1.7rem; margin-bottom: 0.5rem; }
.page-header .lead { color: #555; font-size: 0.95rem; margin-bottom: 0; }

/* ===== Service Sub Nav ===== */
.service-subnav {
  background: #f4f4f4;
  border-bottom: 1px solid #e0e0e0;
  padding: 0.7rem 0;
}
.service-subnav .container { display: flex; gap: 2rem; align-items: center; }
.service-subnav span { font-size: 0.75rem; color: #888; }
.service-subnav a { font-size: 0.85rem; }
.service-subnav .current { font-weight: 700; color: #1a1a1a; }

/* ===== Section Blocks ===== */
.policy-block { margin-bottom: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid #ebebeb; }
.policy-block:last-child { border-bottom: none; }
.policy-block h2 { font-size: 1.1rem; border-left: 3px solid #1a2e4a; padding-left: 0.8rem; margin-bottom: 1rem; }

/* ===== Cases ===== */
.case-item { margin-bottom: 2rem; padding: 1.5rem; border: 1px solid #e0e0e0; }
.case-item .case-type { font-size: 0.75rem; color: #888; letter-spacing: 0.08em; margin-bottom: 0.4rem; }
.case-item h3 { font-size: 1rem; margin-bottom: 0.6rem; }
.case-item p { font-size: 0.9rem; color: #555; margin-bottom: 0; }

/* ===== Not Provided ===== */
.not-provided {
  background: #f9f9f9;
  border: 1px solid #e0e0e0;
  padding: 1.5rem;
  margin-top: 1rem;
}
.not-provided ul { margin-bottom: 0; color: #666; font-size: 0.9rem; }

/* ===== Articles ===== */
.article-category { margin-bottom: 2rem; }
.article-category h3 { font-size: 1rem; border-bottom: 1px solid #e0e0e0; padding-bottom: 0.4rem; margin-bottom: 0.8rem; }
.article-category p { font-size: 0.9rem; color: #555; margin-bottom: 0; }

/* ===== Contact ===== */
.contact-note { background: #f4f4f4; padding: 1.5rem; margin-bottom: 2rem; font-size: 0.9rem; color: #555; }
.form-items { list-style: none; padding: 0; border: 1px solid #e0e0e0; }
.form-items li { padding: 0.9rem 1.2rem; border-bottom: 1px solid #f0f0f0; font-size: 0.9rem; }
.form-items li:last-child { border-bottom: none; }
.contact-email { font-size: 1.1rem; font-weight: 700; color: #1a2e4a; }
.mail-client-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.2rem;
}
.mail-client-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  border: 1.5px solid currentColor;
  transition: opacity 0.2s;
}
.mail-client-btn:hover { opacity: 0.75; }
.mail-client-btn--gmail  { color: #c5221f; }
.mail-client-btn--outlook { color: #0078d4; }
.mail-client-btn--default { color: #4a8ab5; }

/* ===== Definition list ===== */
.do-list { list-style: none; padding: 0; }
.do-list li { padding: 0.4rem 0; padding-left: 1.2rem; position: relative; font-size: 0.9rem; }
.do-list li::before { content: "・"; position: absolute; left: 0; color: #1a2e4a; }

.dont-list { list-style: none; padding: 0; }
.dont-list li { padding: 0.4rem 0; padding-left: 1.2rem; position: relative; font-size: 0.9rem; color: #666; }
.dont-list li::before { content: "—"; position: absolute; left: 0; color: #bbb; font-size: 0.9rem; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid #e0e0e0;
  padding: 2rem 0;
  margin-top: 4rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
  font-size: 0.82rem;
  color: #999;
}

/* ===== Responsive ===== */
@media (max-width: 620px) {
  .core-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  h1 { font-size: 1.4rem; }
  .hero-main { font-size: 1.45rem; }
  .footer-inner { flex-direction: column; gap: 0.5rem; text-align: center; }
}

/* =============================================================
   Dark Theme — page-index スコープ（index.html 専用）
   他ページへの影響なし。横展開時は body に page-index を追加する。
   ============================================================= */

:root {
  --bg:         #0a1628;
  --bg-mid:     #0d1f38;
  --bg-card:    #111f35;
  --navy:       #1e3a5f;
  --accent:     #4a8ab5;
  --text:       #f4f6f8;
  --text-mid:   #c0d4e8;
  --text-muted: #6a8aaa;
  --border:     #1e3a5f;
}

/* ===== Base ===== */
.page-index {
  background: var(--bg);
  color: var(--text);
}
.page-index a { color: var(--accent); }
.page-index a:hover { color: var(--text); }

/* ===== Nav ===== */
.page-index .nav {
  background: rgba(10, 22, 40, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(74, 138, 181, 0.18);
}
.page-index .nav-logo { color: var(--text); }
.page-index .nav-links a { color: var(--text-muted); }
.page-index .nav-links a:hover { color: var(--text); text-decoration: none; }

/* ===== Hero ===== */
.page-index .hero {
  position: relative;
  overflow: hidden;
  padding: 6rem 0 5rem;
  background:
    radial-gradient(ellipse at 70% 40%, rgba(74, 138, 181, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 10% 80%, rgba(30, 58, 95, 0.45) 0%, transparent 45%),
    var(--bg);
  min-height: 78vh;
  display: flex;
  align-items: center;
}
.hero-container {
  max-width: 1040px;
}
.hero-inner {
  width: 100%;
}
.hero-inner--split {
  display: flex;
  align-items: center;
  gap: 4rem;
}
.hero-text {
  flex: 1;
  min-width: 0;
}
.hero-visual {
  flex: 0 0 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
}
.hero-img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  display: block;
  box-shadow: 0 24px 64px rgba(0,0,0,0.65), 0 0 0 1px rgba(74,138,181,0.18);
  filter: brightness(0.92) contrast(1.08);
}
.hero-video-bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.55;
  z-index: 0;
}

/* ===== ヒーローロゴイントロ ===== */
.hero-intro-overlay {
  position: fixed;
  inset: 0;
  background: #0a1628;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: heroOverlayOut 6.5s ease forwards;
  pointer-events: none;
}
.hero-intro-logo {
  width: min(65vw, 65vh);
  height: auto;
  object-fit: contain;
  opacity: 0;
  animation: heroItemIn 1.0s ease forwards 0.5s;
}
@keyframes heroItemIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes heroOverlayOut {
  0%   { opacity: 1; }
  60%  { opacity: 1; }
  100% { opacity: 0; }
}
.page-index .hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(10, 22, 40, 0.58);
  z-index: 1;
}
.hero-container {
  position: relative;
  z-index: 2;
}
.hero-diagram {
  width: 100%;
  max-width: 260px;
  height: auto;
  display: block;
  position: relative;
  z-index: 1;
}
.hero-label {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: rgba(74, 138, 181, 0.12);
  border: 1px solid rgba(74, 138, 181, 0.35);
  border-radius: 100px;
  padding: 0.3rem 1rem;
  margin-bottom: 1.4rem;
}
.hero-main {
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", serif;
  font-size: clamp(2.1rem, 4.0vw, 3.1rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1.8rem;
  color: var(--text);
}
.hero-sub {
  font-size: 1rem;
  color: var(--text-mid);
  line-height: 1.9;
  max-width: 480px;
  margin-bottom: 1.5rem;
}
.hero-hook {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 1.2rem;
  margin-top: -0.6rem;
}
.hero-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  border-left: 2px solid var(--border);
  padding-left: 0.9rem;
  margin-top: 0;
}
.hero-logo-card {
  flex-shrink: 0;
  max-width: 280px;
}
.hero-logo-card img {
  width: 100%;
  height: auto;
  display: block;
  max-width: 280px;
  border-radius: 10px;
  opacity: 0.92;
}

/* ===== Section（page-index スコープ） ===== */
.page-index .section + .section { border-top: 1px solid rgba(74, 138, 181, 0.18); }
.page-index .section--mid { background: linear-gradient(180deg, #0e2244 0%, #0a1e3a 100%); }
.page-index .section h2 {
  font-size: 2.2rem;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 1rem;
}
.page-index .container {
  max-width: 900px;
}
.section-note { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 1.5rem; }

/* ===== Core Grid（page-index スコープ） ===== */
.page-index .core-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  transition: border-top-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.page-index .core-item:hover {
  border-top-color: var(--text-mid);
  transform: translateY(-5px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
}
.page-index .core-item h3 { color: var(--accent); }
.page-index .core-item p  { color: var(--text-mid); }

/* ===== Step Flow（新規） ===== */
.step-flow {
  display: flex;
  align-items: stretch;
  gap: 1.2rem;
  margin-top: 1.5rem;
}
.step-flow-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border-top: 2px solid var(--navy);
  padding: 1.5rem;
  min-height: 300px;
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.42);
  transition: border-top-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.step-flow-item:hover { border-top-color: var(--accent); transform: translateY(-5px); box-shadow: 0 18px 48px rgba(0,0,0,0.58); }
.step-flow-item a { margin-top: auto; padding-top: 0.8rem; }
.step-flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  flex-shrink: 0;
  color: var(--navy);
  font-size: 1.1rem;
}
.step-flow-arrow::after { content: "→"; }
.step-num {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-muted);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.step-optional {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}
.step-flow-item h3 { color: var(--text); font-size: 0.95rem; }
.step-flow-item p  { color: var(--text-mid); font-size: 0.88rem; }
.step-flow-item a  { font-size: 0.85rem; }

/* ===== Not Provided（page-index スコープ） ===== */
.page-index .not-provided { background: var(--bg-card); border: 1px solid var(--border); }
.page-index .dont-list li { color: var(--text-muted); padding-left: 0; }
.page-index .dont-list li::before { content: ""; display: none; }
.page-index .do-list li::before   { color: var(--accent); }

/* ===== Hero CTA ===== */
.hero-cta-btn {
  margin-top: 2.2rem;
  display: inline-block;
}

/* ===== Hero 入場アニメーション（CSS） ===== */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: translateY(0); }
}
.page-index .hero-label   { animation: heroFadeUp 0.7s ease-out 0.25s both; }
.page-index .hero-main    { animation: heroFadeUp 0.8s ease-out 0.50s both; }
.page-index .hero-hook    { animation: heroFadeUp 0.7s ease-out 0.63s both; }
.page-index .hero-sub     { animation: heroFadeUp 0.7s ease-out 0.75s both; }
.page-index .hero-note    { animation: heroFadeUp 0.7s ease-out 0.92s both; }
.page-index .hero-cta-btn { animation: heroFadeUp 0.7s ease-out 1.08s both; }
.page-index .hero-visual  { animation: heroFadeUp 0.9s ease-out 0.60s both; }
@media (prefers-reduced-motion: reduce) {
  .page-index .hero-label,
  .page-index .hero-main,
  .page-index .hero-sub,
  .page-index .hero-note,
  .page-index .hero-cta-btn,
  .page-index .hero-visual { animation: none; }
}

/* ===== 問題提起セクション（2段構成） ===== */
.premise-questions {
  border-left: 2px solid var(--accent);
  padding: 0.9rem 0 0.9rem 1.4rem;
  margin: 1.8rem 0;
}
.premise-questions p {
  margin-bottom: 0.5rem;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
}
.premise-questions p:last-child { margin-bottom: 0; }

.premise-strong {
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 700;
  color: var(--text);
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.55) 0%, rgba(74, 138, 181, 0.07) 100%);
  border: 1px solid rgba(74, 138, 181, 0.25);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 2.8rem 2.5rem;
  margin-top: 3rem;
  line-height: 1.65;
  text-align: center;
}
.premise-strong-sub {
  display: block;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 0.5rem;
  line-height: 1.7;
}

.premise-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
}

.premise-stage2--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}
.premise-stage2-text { min-width: 0; }
.premise-stage2-visual { min-width: 0; }
.premise-img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
  box-shadow: 0 20px 56px rgba(0,0,0,0.60), 0 0 0 1px rgba(74,138,181,0.15);
  filter: brightness(0.9) contrast(1.05);
}
@media (max-width: 768px) {
  .premise-stage2--split {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.premise-stage2-h3 {
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.2rem;
}

.premise-cta-btn {
  display: inline-block;
  margin-top: 1.8rem;
}

/* ===== 立ち位置セクション（page-index スコープ） ===== */
.page-index .section-position-lead {
  font-size: 0.95rem;
  color: var(--text-mid);
  margin-bottom: 2rem;
}

.page-index .position-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-index .position-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.4rem 1.6rem;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.page-index .position-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.40);
  border-color: rgba(74, 138, 181, 0.45);
}

.page-index .position-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  margin-bottom: 0.8rem;
}

.page-index .position-card p:last-child {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin: 0;
}

.page-index .position-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 640px) {
  .page-index .position-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== CTA（page-index スコープ） ===== */
.page-index .cta-block {
  background: var(--navy);
  border-top: 1px solid var(--accent);
  border-bottom: 1px solid var(--border);
  padding: 4.5rem 0;
  position: relative;
  overflow: hidden;
}
.cta-video-bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.15;
}
.cta-img-bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.22;
  z-index: 0;
}
.page-index .cta-block .container {
  position: relative;
  z-index: 1;
}
.page-index .cta-block h2 {
  color: var(--text);
  font-size: 2rem;
  line-height: 1.3;
  margin-bottom: 1rem;
}
.page-index .cta-block p  { color: var(--text-mid); }
.page-index .cta-block .faq-link-note {
  margin-top: 1rem;
  margin-bottom: 2rem;
}
.page-index .btn {
  background: var(--accent);
  border: none;
  color: #fff;
  border-radius: 4px;
  padding: 0.95rem 2.6rem;
  letter-spacing: 0.06em;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 18px rgba(74, 138, 181, 0.35);
}
.page-index .btn:hover {
  background: #5a9ac5;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(74, 138, 181, 0.52);
  text-decoration: none;
  color: #fff;
}

/* ===== Footer（page-index スコープ） ===== */
.page-index .footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  margin-top: 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
}
.footer-logo    { font-weight: 700; color: var(--text); font-size: 1rem; margin-bottom: 0.4rem; }
.footer-tagline { font-size: 0.8rem; color: var(--text-muted); max-width: 320px; margin-bottom: 0; }
.footer-meta    { font-size: 0.82rem; color: var(--text-muted); text-align: right; }
.footer-meta p  { margin-bottom: 0.3rem; }
.footer-meta a  { color: var(--accent); }
.footer-copy    { font-size: 0.75rem; color: var(--border); margin-top: 0.5rem; }

/* ===== Responsive（追加分） ===== */
@media (max-width: 768px) {
  .hero-inner--split {
    flex-direction: column;
    gap: 2.5rem;
  }
  .hero-visual {
    flex: none;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    opacity: 0.85;
  }
  .hero-video-bg,
  .cta-video-bg {
    display: none;
  }
  .page-index .hero {
    min-height: auto;
    padding: 4rem 0 3.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-video-bg,
  .cta-video-bg {
    display: none;
  }
}
@media (max-width: 620px) {
  .hero-inner   { flex-direction: column; }
  .hero-logo-card { display: none; }
  .step-flow    { flex-direction: column; }
  .step-flow-arrow { width: 100%; height: 1.5rem; }
  .step-flow-arrow::after { content: "↓"; }
  .page-index .footer-inner { flex-direction: column; gap: 1.5rem; }
  .page-index .footer-meta  { text-align: left; }
}

/* ===== サブページ ダークテーマ拡張（page-index スコープ） ===== */

/* page-header */
.page-index .page-header {
  background: linear-gradient(180deg, #0e2244 0%, var(--bg) 100%);
  border-bottom: 1px solid rgba(74, 138, 181, 0.22);
  padding: 5.5rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}
/* サブページpage-header背景画像（デジタルクラウド）*/
.page-index .page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/video/1000010209.png');
  background-size: cover;
  background-position: center 35%;
  opacity: 0.09;
  z-index: 0;
}
.page-index .page-header .container {
  position: relative;
  z-index: 1;
}
.page-index .page-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(74,138,181,0.55) 40%, rgba(74,138,181,0.55) 60%, transparent 100%);
  z-index: 2;
}
.page-index .page-header h1 {
  color: var(--text);
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 0.8rem;
}
.page-index .page-header .lead {
  color: var(--text-mid);
  font-size: 1.05rem;
  max-width: 640px;
}

/* section 本文 */
.page-index .section p { color: var(--text-mid); }
.page-index .section a { color: var(--accent); }
.page-index .section a:hover { color: var(--text); text-decoration: none; }

/* do-list */
.page-index .do-list li { color: var(--text-mid); }

/* policy-block */
.page-index .policy-block { border-bottom: 1px solid var(--border); }
.page-index .policy-block h2 {
  color: var(--text);
  border-left: 3px solid var(--accent);
}

/* case-item */
.page-index .case-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.page-index .case-item h3 { color: var(--text); }
.page-index .case-item p  { color: var(--text-mid); }
.page-index .case-item .case-type { color: var(--accent); }

/* article-category */
.page-index .article-category { border-bottom: 1px solid var(--border); }
.page-index .article-category h3 {
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.page-index .article-category p { color: var(--text-mid); }

/* contact */
.page-index .contact-note {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-mid);
}
.page-index .form-items { border: 1px solid var(--border); }
.page-index .form-items li {
  border-bottom: 1px solid var(--border);
  color: var(--text-mid);
}
.page-index .contact-email { color: var(--accent); }

/* service subnav */
.page-index .service-subnav {
  background: var(--bg-mid);
  border-bottom: 1px solid var(--border);
}
.page-index .service-subnav span { color: var(--text-muted); }
.page-index .service-subnav a { color: var(--accent); }
.page-index .service-subnav a.current { color: var(--text); }

/* about: step-list */
.page-index .step-item {
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
}
.page-index .step-item h3 { color: var(--text); }
.page-index .step-item p  { color: var(--text-mid); }
.page-index .step-label   { color: var(--accent); }

/* 差別化4軸ブロック */
.axis-block {
  border-left: 2px solid var(--accent);
  padding: 0.4rem 0 0.4rem 1.4rem;
  margin-bottom: 2.2rem;
}
.axis-block h3 {
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.7rem;
}
.axis-block p {
  color: var(--text-mid);
  font-size: 0.92rem;
  margin-bottom: 0.4rem;
  line-height: 1.8;
}
.axis-block p:last-child { margin-bottom: 0; }

/* 納品型メリットリスト */
.merit-list { list-style: none; padding: 0; margin-top: 1.2rem; }
.merit-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-mid);
  font-size: 0.92rem;
  line-height: 1.75;
}
.merit-list li:last-child { border-bottom: none; }
.merit-list li strong {
  color: var(--text);
  font-weight: 700;
  display: block;
  margin-bottom: 0.2rem;
}

/* 背景にある考え方 */
.method-note {
  background: var(--bg-mid);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.4rem 1.8rem;
  margin-top: 1rem;
}
.method-note p {
  color: var(--text-mid);
  font-size: 0.92rem;
  margin-bottom: 0.6rem;
}
.method-note p:last-child { margin-bottom: 0; }

/* STEPの特徴リスト（service pages） */
.feature-list { list-style: none; padding: 0; margin-top: 1rem; }
.feature-list li {
  padding: 0.6rem 0 0.6rem 1.4rem;
  position: relative;
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.7;
  border-bottom: 1px solid var(--border);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ===== 記事リスト（articles.html） ===== */
.page-index .article-list {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 0;
}
.page-index .article-list li {
  border-bottom: 1px solid var(--border);
  padding: 0.55rem 0;
}
.page-index .article-list li:last-child { border-bottom: none; }
.page-index .article-list a {
  color: var(--accent);
  font-size: 0.88rem;
  line-height: 1.65;
  text-decoration: none;
}
.page-index .article-list a:hover { color: var(--text); }

/* ===== 公開ケース素材カード（cases.html） ===== */
.case-real-card {
  display: flex;
  gap: 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 1.5rem;
}

.case-thumbnail {
  flex: 0 0 220px;
  overflow: hidden;
}
.case-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  opacity: 0.92;
}

.case-real-body {
  flex: 1;
  padding: 1.4rem 1.6rem 1.4rem 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.case-real-body h3 {
  color: var(--text);
  font-family: "Noto Serif JP", serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.case-real-body p {
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 0.6rem;
}

.case-real-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.case-real-link-pending {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

@media (max-width: 640px) {
  .case-real-card {
    flex-direction: column;
  }
  .case-thumbnail {
    flex: none;
    height: 200px;
  }
  .case-real-body {
    padding: 1.2rem;
  }
}

/* ===== FAQ（faq.html） ===== */
.page-index .faq-category {
  margin-bottom: 3rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}
.page-index .faq-category:first-child {
  border-top: none;
  padding-top: 0;
}
.page-index .faq-category-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 1.4rem;
  text-transform: none;
}
.page-index .faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.4rem 0;
}
.page-index .faq-item:last-of-type {
  border-bottom: none;
}
.page-index .faq-q {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 0.9rem;
}
.page-index .faq-a {
  padding-left: 0;
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.9;
}
.page-index .faq-a p { margin-bottom: 0.7rem; }
.page-index .faq-a p:last-child { margin-bottom: 0; }
.page-index .faq-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0.8rem;
}
.page-index .faq-list li {
  padding: 0.35rem 0 0.35rem 1.2rem;
  position: relative;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text-mid);
}
.page-index .faq-list li:last-child { border-bottom: none; }
.page-index .faq-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.page-index .faq-steps {
  list-style: none;
  padding: 0;
  margin: 0.6rem 0 0.8rem;
  counter-reset: faq-step;
}
.page-index .faq-steps li {
  padding: 0.5rem 0 0.5rem 2rem;
  position: relative;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text-mid);
  counter-increment: faq-step;
}
.page-index .faq-steps li:last-child { border-bottom: none; }
.page-index .faq-steps li::before {
  content: counter(faq-step);
  position: absolute;
  left: 0;
  width: 1.4rem;
  text-align: center;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
}
.page-index .faq-contact-note {
  margin-top: 2.5rem;
  padding: 1.2rem 1.4rem;
  background: var(--bg-mid);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.page-index .faq-contact-note a {
  color: var(--accent);
  text-decoration: none;
}
.page-index .faq-contact-note a:hover { color: var(--text); }

/* FAQ導線リンク（index.html / about.html / contact.html） */
.faq-link-note {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.faq-link-note a {
  color: var(--accent);
  text-decoration: none;
}
.faq-link-note a:hover { color: var(--text); }

/* profile.html */
.page-index .profile-header {
  display: flex;
  align-items: flex-start;
  gap: 2.4rem;
  margin-bottom: 0.4rem;
}
.page-index .profile-photo {
  flex-shrink: 0;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid var(--accent);
  box-shadow: 0 4px 18px rgba(0,0,0,0.18);
}
.page-index .section--light .profile-photo {
  border-color: #1a6ba8;
}
.page-index .profile-header-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 0.4rem;
}
@media (max-width: 540px) {
  .page-index .profile-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .page-index .profile-header-text { align-items: center; }
}

.page-index .profile-name {
  font-size: 1.6rem;
  font-weight: 700;
  font-family: 'Noto Serif JP', serif;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.page-index .profile-title {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.page-index .profile-sign {
  margin-top: 1.6rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-mid);
  text-align: right;
}

/* ===== ソーシャルリンク（nav + footer + profile） ===== */
.nav-social {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-left: 0.6rem;
  margin-right: auto;
}
.nav-social-link {
  display: inline-flex;
  align-items: center;
  color: #888;
  line-height: 1;
  transition: color 0.2s;
}
.nav-social-link:hover { color: #1a1a1a; text-decoration: none; }
.page-index .nav-social-link { color: var(--text-muted); }
.page-index .nav-social-link:hover { color: var(--text); text-decoration: none; }

.footer-social-link {
  display: inline-flex;
  align-items: center;
}

.page-index .profile-links {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}
.page-index .profile-links a {
  display: inline-flex;
  align-items: center;
  color: var(--text-muted);
}
.page-index .profile-links a:hover { color: var(--text); text-decoration: none; }

/* ===== サブページ 品質向上（競合分析反映） ===== */

/* section h2 — アクセントライン付き見出し */
.page-index .section h2,
.page-index .section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-family: 'Noto Serif JP', serif;
  color: var(--text);
  margin-bottom: 1.8rem;
  padding-bottom: 0.9rem;
  position: relative;
}
.page-index .section h2::after,
.page-index .section-title::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 48px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* section h3 */
.page-index .section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.8rem;
}

/* section-note */
.page-index .section-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  border-left: 2px solid rgba(74,138,181,0.35);
  padding-left: 0.9rem;
  margin-top: 1rem;
  line-height: 1.8;
}
.page-index .section-note a { color: var(--accent); text-decoration: none; }
.page-index .section-note a:hover { color: var(--text); }

/* step-item hover（about.html） */
.page-index .step-item {
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  padding: 1.4rem 1.6rem;
  border-radius: 6px;
  border-left: 3px solid var(--accent);
}
.page-index .step-item:hover {
  transform: translateX(4px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.38);
  border-left-color: #6aaad4;
}

/* policy-block spacing & hover */
.page-index .policy-block {
  padding: 2rem 0;
  transition: background 0.2s;
}
.page-index .policy-block:hover {
  background: rgba(74,138,181,0.03);
}
.page-index .policy-block h2 {
  font-size: 1.15rem;
  padding: 0.25rem 0 0.25rem 1rem;
  position: relative;
}

/* do-list / dont-list polish */
.page-index .do-list,
.page-index .dont-list {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 1rem;
}
.page-index .do-list li,
.page-index .dont-list li {
  padding: 0.55rem 0 0.55rem 1.4rem;
  position: relative;
  border-bottom: 1px solid rgba(30,58,95,0.6);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-mid);
  transition: color 0.15s;
}
.page-index .do-list li:last-child,
.page-index .dont-list li:last-child { border-bottom: none; }
.page-index .do-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.page-index .dont-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* axis-block hover */
.axis-block {
  transition: border-color 0.2s, background 0.2s;
  border-radius: 0 6px 6px 0;
  padding: 0.8rem 1.4rem 0.8rem 1.4rem;
}
.axis-block:hover {
  border-left-color: #6aaad4;
  background: rgba(74,138,181,0.04);
}

/* profile — 実績カード */
.page-index .profile-career-item {
  display: flex;
  gap: 1.2rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.page-index .profile-career-item:last-child { border-bottom: none; }
.page-index .profile-year {
  flex: 0 0 4.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
  padding-top: 0.1rem;
}
.page-index .profile-career-text {
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.75;
}

/* service step pages — step-section */
.page-index .step-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem 2.2rem;
  margin-bottom: 1.6rem;
  transition: box-shadow 0.2s, transform 0.2s;
}
.page-index .step-section:hover {
  box-shadow: 0 10px 32px rgba(0,0,0,0.42);
  transform: translateY(-2px);
}
.page-index .step-section h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  border-left: 3px solid var(--accent);
  padding-left: 0.8rem;
  margin-bottom: 0.9rem;
}

/* case-item hover */
.page-index .case-item {
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.page-index .case-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.45);
}

/* faq-item hover */
.page-index .faq-item {
  transition: background 0.18s;
  border-radius: 4px;
  padding: 1.4rem 0.6rem;
}
.page-index .faq-item:hover {
  background: rgba(74,138,181,0.04);
}

/* contact form placeholder */
.page-index .contact-placeholder {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.4rem 2rem;
  text-align: center;
}
.page-index .contact-placeholder p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* ===== sections の交互背景をサブページにも適用 ===== */
.page-index .section:nth-child(even) {
  background: linear-gradient(180deg, #0d1f38 0%, #0a1628 100%);
}

/* ===== 共通: section内の2カラムグリッド ===== */
.page-index .two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.4rem;
}
@media (max-width: 680px) {
  .page-index .two-col { grid-template-columns: 1fr; gap: 1.4rem; }
}

/* ===== ブレッドクラム風 page-label ===== */
.page-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(74,138,181,0.10);
  border: 1px solid rgba(74,138,181,0.28);
  border-radius: 100px;
  padding: 0.28rem 0.9rem;
  margin-bottom: 1rem;
  display: block;
  width: fit-content;
}

/* ===================================================
   HYBRID LIGHT SECTIONS
   ヒーロー・CTA・フッター・立ち位置セクションはDARK維持
   中間コンテンツセクションはライト化
   =================================================== */

.page-index .section--light {
  background: #f7f9fc;
}
.page-index .section--light.section--mid {
  background: #edf2f8;
}
.page-index .section--light + .section--light {
  border-top: 1px solid #dae2ec;
}

/* テキスト */
.page-index .section--light h2,
.page-index .section--light h3,
.page-index .section--light h4 {
  color: #0d1e30;
}
.page-index .section--light h2::after {
  background: #1a6ba8;
}
.page-index .section--light p {
  color: #334a62;
}
.page-index .section--light a {
  color: #1a6ba8;
}
.page-index .section--light a:hover {
  color: #0d1e30;
  text-decoration: none;
}
.page-index .section--light .section-note {
  color: #6a7e94;
  border-left-color: rgba(26,107,168,0.35);
}
.page-index .section--light .section-note a { color: #1a6ba8; }

/* page-label on light */
.page-index .section--light .page-label {
  color: #1a6ba8;
  background: rgba(26,107,168,0.08);
  border-color: rgba(26,107,168,0.28);
}

/* core-item カード */
.page-index .section--light .core-item {
  background: #ffffff;
  border: 1px solid #ccd8e6;
  box-shadow: 0 2px 12px rgba(13,30,48,0.07);
}
.page-index .section--light .core-item h3 { color: #0d1e30; }
.page-index .section--light .core-item p  { color: #3a5068; }
.page-index .section--light .core-item:hover {
  box-shadow: 0 8px 28px rgba(13,30,48,0.13);
  border-color: #9ab8d4;
}

/* step-flow */
.page-index .section--light .step-flow-item {
  background: #ffffff;
  border: 1px solid #ccd8e6;
  box-shadow: 0 2px 12px rgba(13,30,48,0.07);
}
.page-index .section--light .step-flow-item h3 { color: #0d1e30; }
.page-index .section--light .step-flow-item p  { color: #3a5068; }
.page-index .section--light .step-flow-item a  { color: #1a6ba8; }
.page-index .section--light .step-num {
  color: #1a6ba8;
  border-color: rgba(26,107,168,0.25);
}
.page-index .section--light .step-flow-arrow { border-top-color: #9ab8d4; }

/* step-item (about / service) */
.page-index .section--light .step-item {
  background: #ffffff;
  border-left-color: #1a6ba8;
  box-shadow: 0 2px 12px rgba(13,30,48,0.07);
}
.page-index .section--light .step-item h3 { color: #0d1e30; }
.page-index .section--light .step-item p  { color: #3a5068; }
.page-index .section--light .step-label   { color: #1a6ba8; }
.page-index .section--light .step-item:hover {
  box-shadow: 0 8px 28px rgba(13,30,48,0.13);
  border-left-color: #0d5a96;
}

/* premise-strong */
.page-index .section--light .premise-strong {
  background: linear-gradient(135deg, #e4edf7 0%, #f0f6ff 100%);
  border-left-color: #1a6ba8;
  color: #0d1e30;
}
.page-index .section--light .premise-strong-sub { color: #3a5068; }

/* premise-questions */
.page-index .section--light .premise-questions p {
  color: #0d1e30;
  border-left-color: rgba(26,107,168,0.4);
}

/* axis-block */
.page-index .section--light .axis-block {
  border-left-color: #1a6ba8;
}
.page-index .section--light .axis-block h3 { color: #0d1e30; }
.page-index .section--light .axis-block p  { color: #3a5068; }
.page-index .section--light .axis-block:hover {
  border-left-color: #0d5a96;
  background: rgba(26,107,168,0.04);
}

/* merit-list */
.page-index .section--light .merit-list li {
  color: #3a5068;
  border-bottom-color: #dae2ec;
}
.page-index .section--light .merit-list li strong { color: #0d1e30; }

/* method-note */
.page-index .section--light .method-note {
  background: #edf2f8;
  border-color: #ccd8e6;
}
.page-index .section--light .method-note p { color: #3a5068; }

/* do-list / dont-list */
.page-index .section--light .do-list li,
.page-index .section--light .dont-list li {
  color: #3a5068;
  border-bottom-color: #dae2ec;
}
.page-index .section--light .do-list li::before   { color: #1a6ba8; }
.page-index .section--light .dont-list li::before { color: #8a9eb4; }

/* policy-block */
.page-index .section--light .policy-block {
  border-bottom-color: #dae2ec;
}
.page-index .section--light .policy-block h2 {
  color: #0d1e30;
  border-left-color: #1a6ba8;
}
.page-index .section--light .policy-block:hover {
  background: rgba(26,107,168,0.03);
}

/* article-category */
.page-index .section--light .article-category {
  border-bottom-color: #dae2ec;
}
.page-index .section--light .article-category h3 {
  color: #0d1e30;
  border-bottom-color: #dae2ec;
}
.page-index .section--light .article-category p { color: #3a5068; }
.page-index .section--light .article-list a { color: #1a6ba8; }
.page-index .section--light .article-list a:hover { color: #0d1e30; }

/* case-item */
.page-index .section--light .case-item {
  background: #ffffff;
  border-color: #ccd8e6;
}
.page-index .section--light .case-item h3 { color: #0d1e30; }
.page-index .section--light .case-item p  { color: #3a5068; }
.page-index .section--light .case-item .case-type { color: #1a6ba8; }

/* case-real-card はダーク背景のためテキストを明色に戻す */
.page-index .section--light .case-real-card h3 { color: var(--text); }
.page-index .section--light .case-real-card p  { color: var(--text-mid); }

/* faq */
.page-index .section--light .faq-category { border-top-color: #dae2ec; }
.page-index .section--light .faq-category-title { color: #1a6ba8; }
.page-index .section--light .faq-item { border-bottom-color: #dae2ec; }
.page-index .section--light .faq-item:hover { background: rgba(26,107,168,0.03); }
.page-index .section--light .faq-q { color: #0d1e30; }
.page-index .section--light .faq-a { color: #3a5068; }
.page-index .section--light .faq-a p { color: #3a5068; }
.page-index .section--light .faq-list li,
.page-index .section--light .faq-steps li {
  color: #3a5068;
  border-bottom-color: #dae2ec;
}
.page-index .section--light .faq-list li::before  { color: #1a6ba8; }
.page-index .section--light .faq-steps li::before { color: #1a6ba8; }
.page-index .section--light .faq-contact-note {
  background: #edf2f8;
  border-color: #ccd8e6;
  color: #6a7e94;
}

/* contact */
.page-index .section--light .contact-note {
  background: #ffffff;
  border-color: #ccd8e6;
  color: #3a5068;
}
.page-index .section--light .form-items { border-color: #ccd8e6; }
.page-index .section--light .form-items li {
  border-bottom-color: #dae2ec;
  color: #3a5068;
}
.page-index .section--light .contact-email { color: #1a6ba8; }

/* feature-list */
.page-index .section--light .feature-list li {
  color: #3a5068;
  border-bottom-color: #dae2ec;
}
.page-index .section--light .feature-list li::before { color: #1a6ba8; }

/* service-subnav */
.page-index .section--light .service-subnav {
  background: #edf2f8;
  border-bottom-color: #ccd8e6;
}
.page-index .section--light .service-subnav span { color: #8a9eb4; }
.page-index .section--light .service-subnav a { color: #1a6ba8; }
.page-index .section--light .service-subnav a.current { color: #0d1e30; }

/* profile */
.page-index .section--light .profile-name  { color: #0d1e30; }
.page-index .section--light .profile-title { color: #6a7e94; }
.page-index .section--light .profile-sign  { color: #3a5068; }
.page-index .section--light .profile-links a { color: #8a9eb4; }
.page-index .section--light .profile-links a:hover { color: #0d1e30; }
.page-index .section--light .profile-career-item { border-bottom-color: #dae2ec; }
.page-index .section--light .profile-year { color: #1a6ba8; }
.page-index .section--light .profile-career-text { color: #3a5068; }

/* step-section (service pages) */
.page-index .section--light .step-section {
  background: #ffffff;
  border-color: #ccd8e6;
}
.page-index .section--light .step-section:hover {
  box-shadow: 0 10px 32px rgba(13,30,48,0.12);
}
.page-index .section--light .step-section h3 {
  color: #0d1e30;
  border-left-color: #1a6ba8;
}

/* faq-link-note */
.page-index .section--light .faq-link-note { color: #6a7e94; }
.page-index .section--light .faq-link-note a { color: #1a6ba8; }

/* btn on light section */
.page-index .section--light .btn {
  background: #1a6ba8;
  box-shadow: 0 4px 18px rgba(26,107,168,0.30);
}
.page-index .section--light .btn:hover {
  background: #0d5a96;
}

/* section h2 accent line on light */
.page-index .section--light h2::after { background: #1a6ba8; }

/* sections の交互背景 override for light */
.page-index .section--light:nth-child(even) {
  background: #edf2f8;
}