@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&family=Noto+Serif+JP:wght@400;600;700&display=swap');

/* ===== NTT共通CSS競合オーバーライド ===== */
/* 詳細度を上げて !important を使わずに上書き */
body.cmn3 .l-main {
  padding-top: 0;
}

body.cmn3 .l-main p {
  margin-top: 0;
}

body.cmn3 .l-main a {
  color: inherit;
  text-decoration: none;
}

body.cmn3 .l-main a:hover {
  color: inherit;
}

body.cmn3 .l-main ol,
body.cmn3 .l-main ul {
  list-style: revert;
}

body.cmn3 .l-main *,
body.cmn3 .l-main *::before,
body.cmn3 .l-main *::after {
  box-sizing: border-box;
}

body.cmn3 .l-main .l-sec {
  padding: 0;
}

body.cmn3 .l-main .o-btn-primary,
body.cmn3 .l-main .o-btn-outline {
  color: white;
  text-decoration: none;
}

body.cmn3 .l-main .o-next-card {
  text-decoration: none;
  color: inherit;
}

body.cmn3 .l-main .o-next-card-content .o-link {
  color: var(--accent);
}

body.cmn3 .l-main .o-toc-box ol li a {
  color: var(--gray-700);
  text-decoration: none;
}

body.cmn3 .l-main .o-toc-box ol li a:hover {
  color: var(--accent);
}

body.cmn3 .l-topicpath a {
  color: var(--text-light);
}

:root {
  --primary: #0C1E3C;
  --accent: #1A56DB;
  --accent-light: #3B7BF7;
  --bg: #F8F9FB;
  --white: #FFFFFF;
  --gray-100: #F3F5F8;
  --gray-200: #E2E6ED;
  --gray-300: #C5CBD6;
  --gray-500: #6B7A90;
  --gray-700: #3D4A5C;
  --text: #1A1A2E;
  --text-light: #6B7A90;
}

html {
  scroll-behavior: smooth;
}

/* ===== PROGRESS BAR ===== */
.o-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--accent);
  z-index: 999;
  transition: width 0.1s linear;
}

/* ===== FIRST VIEW HERO ===== */
.l-fv-hero {
  position: relative;
  height: 100vh;
  min-height: 800px;
  background: var(--primary);
  overflow: hidden;
  display: flex;
}

.l-fv-hero-photos {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.l-fv-photo {
  position: relative;
  overflow: hidden;
}

.l-fv-photo .o-placeholder-bg {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.l-fv-photo:first-child .o-placeholder-bg {
  background: linear-gradient(180deg, #1a3a5c 0%, #0d2240 100%);
}

.l-fv-photo:last-child .o-placeholder-bg {
  background: linear-gradient(180deg, #0d2240 0%, #142d4f 100%);
}

.l-fv-photo::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(12, 30, 60, 0.45);
}

.l-fv-photo-label {
  position: absolute;
  bottom: 120px;
  z-index: 3;
  color: white;
}

.l-fv-photo:first-child .l-fv-photo-label {
  left: 60px;
}

.l-fv-photo:last-child .l-fv-photo-label {
  left: 40px;
}

.l-fv-photo-label .o-name-en {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  opacity: 0.5;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.l-fv-photo-label .o-name-ja {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.l-fv-photo-label .o-title {
  font-size: 12px;
  font-weight: 300;
  opacity: 0.6;
}

.l-fv-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
  text-align: center;
  width: 100%;
  max-width: 800px;
  padding: 0 40px;
}

.o-fv-tag {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 8px 24px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  margin-bottom: 40px;
}

.o-fv-catch {
  color: white;
  font-family: 'Noto Serif JP', serif;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.05em;
  margin-bottom: 32px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.o-fv-divider {
  width: 60px;
  height: 2px;
  background: var(--accent-light);
  margin: 0 auto 32px;
}

.o-fv-desc {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 2;
  font-weight: 300;
}

.l-fv-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.3);
  font-size: 10px;
  letter-spacing: 0.2em;
}

.l-fv-scroll .o-scroll-line {
  width: 1px;
  height: 50px;
  background: rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.l-fv-scroll .o-scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--accent-light);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% {
    top: -50%;
  }

  100% {
    top: 100%;
  }
}

/* ===== PROFILE SECTION ===== */
.l-profile-sec {
  padding: 100px 0 80px;
  background: var(--white);
}

.l-profile-sec__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
}

.o-profile-heading {
  text-align: center;
  margin-bottom: 64px;
}

.o-profile-heading .o-label-sm {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.o-profile-heading h2 {
  font-size: 28px;
  font-weight: 700;
}

.l-profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.o-profile-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  align-items: start;
}

.o-profile-photo {
  width: 140px;
  height: 180px;
  border-radius: 12px;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-300);
  font-size: 11px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

.o-profile-info .o-profile-name-en {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.o-profile-info .o-profile-name {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.o-profile-info .o-profile-title {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 20px;
}

.o-profile-info .o-profile-bio {
  font-size: 13px;
  line-height: 2;
  color: var(--gray-700);
  font-weight: 300;
}

/* ===== VIDEO SECTION ===== */
.l-video-sec {
  background: var(--gray-100);
  padding: 100px 0;
}

.l-video-sec__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 60px;
  text-align: center;
}

.o-video-label-sm {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.l-video-sec h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 48px;
}

.o-video-embed {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: var(--primary);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.o-video-embed .o-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.o-video-embed .o-play-btn svg {
  width: 24px;
  height: 24px;
  fill: white;
  margin-left: 4px;
}

.o-video-embed .o-video-label {
  position: absolute;
  bottom: 20px;
  left: 24px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 11px;
  letter-spacing: 0.15em;
}
.o-video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ===== TOC (Table of Contents) ===== */
.l-toc {
  max-width: 860px;
  margin: 0 auto;
  padding: 60px 60px 0;
}

.o-toc-box {
  background: var(--gray-100);
  border-radius: 12px;
  padding: 40px 48px;
  border-left: 4px solid var(--accent);
}

.o-toc-box .o-toc-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.o-toc-box ol {
  padding-left: 20px;
}

.o-toc-box ol li {
  font-size: 14px;
  line-height: 2.2;
  color: var(--gray-700);
}

.o-toc-box ol li a {
  color: var(--gray-700);
  text-decoration: none;
  transition: color 0.2s;
}

.o-toc-box ol li a:hover {
  color: var(--accent);
}

/* ===== ARTICLE SECTION ===== */
.l-article-sec {
  padding: 80px 0 120px;
  background: var(--white);
}

.l-article-sec__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
}

/* Prose Container */
.o-prose {
  max-width: 760px;
  margin: 0 auto;
}

.o-prose p {
  font-size: 15.5px;
  line-height: 2.2;
  color: var(--gray-700);
  font-weight: 300;
  margin-bottom: 28px;
  letter-spacing: 0.02em;
  text-align: justify;
}

.o-prose p:last-child {
  margin-bottom: 0;
}

/* Speaker Tag */
.o-speaker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gray-100);
  padding: 6px 18px 6px 6px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  margin-top: 8px;
}

.o-speaker .o-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: white;
}

.o-speaker.teshiba .o-avatar {
  background: var(--accent);
}

.o-speaker.nishida .o-avatar {
  background: var(--accent-light);
}

.o-speaker.mod .o-avatar {
  background: var(--gray-500);
}

/* Chapter Heading */
.o-chapter-heading {
  max-width: 760px;
  margin: 0 auto 48px;
  padding-top: 80px;
}

.o-chapter-heading .o-ch-num {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.o-chapter-heading h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

.o-chapter-heading .o-ch-lead {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

/* Full-Width Photo Break */
.l-photo-break {
  position: relative;
  width: 100vw;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 80px;
  margin-bottom: 80px;
  height: 480px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

.l-photo-break__inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.25);
  font-size: 13px;
  letter-spacing: 0.15em;
}

/* Side Photo + Text Block */
.l-side-photo-block {
  max-width: 1100px;
  margin: 60px auto 0;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: start;
}

.l-side-photo-block.reverse {
  grid-template-columns: 380px 1fr;
}

.l-side-photo-block.reverse .o-side-photo {
  order: -1;
}

.l-side-photo-block .o-side-text p {
  font-size: 15.5px;
  line-height: 2.2;
  color: var(--gray-700);
  font-weight: 300;
  margin-bottom: 28px;
  text-align: justify;
}

.o-side-photo {
  border-radius: 12px;
  overflow: hidden;
  height: 480px;
  position: sticky;
  top: 120px;
  background-size: cover;
  background-position: center;
}

.o-side-photo .o-ph {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.3);
  background-size: cover;
  background-position: center;
}

/* Pull Quote */
.o-pullquote {
  max-width: 800px;
  margin: 80px auto;
  text-align: center;
  padding: 60px 40px;
  position: relative;
}

.o-pullquote::before {
  content: '\201C';
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 180px;
  font-weight: 900;
  color: var(--gray-200);
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  line-height: 1;
  z-index: 0;
}

.o-pullquote blockquote {
  position: relative;
  z-index: 1;
  font-family: 'Noto Serif JP', serif;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.9;
  color: var(--primary);
  letter-spacing: 0.03em;
  margin-bottom: 24px;
}

.o-pullquote .o-qa {
  font-size: 13px;
  color: var(--text-light);
}

.o-pullquote .o-qa strong {
  color: var(--accent);
  font-weight: 600;
}

/* Two-Photo Grid */
.o-two-photo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 80px 0;
}

.o-two-photo-item {
  border-radius: 12px;
  overflow: hidden;
  height: 360px;
  background-size: cover;
  background-position: center;
}

.o-two-photo-item .o-ph {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.3);
  background-size: cover;
  background-position: center;
}

/* Highlight / Key Point Box */
.o-highlight-box {
  max-width: 760px;
  margin: 60px auto 80px;
  background: var(--gray-100);
  border-radius: 16px;
  padding: 48px 56px;
  border-left: 4px solid var(--accent);
}

.o-highlight-box .o-hl-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.o-highlight-box h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.6;
}

.o-highlight-box p {
  font-size: 14px;
  line-height: 2.2;
  color: var(--gray-700);
  font-weight: 300;
  margin-bottom: 16px;
}

.o-highlight-box ul {
  padding-left: 20px;
  margin-top: 12px;
}

.o-highlight-box ul li {
  font-size: 14px;
  line-height: 2;
  color: var(--gray-700);
  font-weight: 300;
}

/* Stats Row */
.o-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 860px;
  margin: 60px auto 80px;
}

.o-stat-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
}

.o-stat-card .o-stat-num {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 44px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.o-stat-card .o-stat-unit {
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 12px;
}

.o-stat-card .o-stat-desc {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.7;
}

/* Section Divider */
.o-divider {
  max-width: 760px;
  margin: 0 auto;
  height: 1px;
  background: var(--gray-200);
}

/* ===== NEXT INTERVIEW ===== */
.l-next-sec {
  padding: 100px 0;
  background: var(--gray-100);
}

.l-next-sec__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
}

.o-next-label-sm {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
  text-align: center;
}

.l-next-sec h2 {
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 56px;
}

.o-next-card {
  display: grid;
  grid-template-columns: 480px 1fr;
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
  text-decoration: none;
  color: inherit;
  transition: transform 0.4s, box-shadow 0.4s;
}

.o-next-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.o-next-card-photo {
  height: 340px;
  overflow: hidden;
}

.o-next-card-photo .o-ph {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.15em;
}

.o-next-card-content {
  padding: 48px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.o-next-card-content .o-tag {
  display: inline-block;
  background: rgba(26, 86, 219, 0.1);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  width: fit-content;
}

.o-next-card-content h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 20px;
}

.o-next-card-content p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 24px;
}

.o-next-card-content .o-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

/* ===== CTA ===== */
.l-cta-sec {
  background: var(--primary);
  padding: 100px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.l-cta-sec::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.06;
  background-image: radial-gradient(circle at 30% 40%, rgba(26, 86, 219, 0.8) 0%, transparent 50%), radial-gradient(circle at 70% 60%, rgba(59, 123, 247, 0.5) 0%, transparent 40%);
}

.l-cta-sec__inner {
  position: relative;
  z-index: 2;
}

.l-cta-sec h2 {
  color: white;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 20px;
}

.l-cta-sec p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  margin-bottom: 40px;
}

.o-cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.o-cta-buttons a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
}

.o-btn-primary {
  background: var(--accent);
  color: white;
}

.o-btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}

.o-btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
}

/* ===== BREADCRUMBS (BOTTOM PLACEMENT) ===== */
.l-topicpath {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 60px;
  font-size: 11px;
  color: var(--text-light);
}

.l-topicpath__inner {
  display: contents;
}

.l-topicpath-list {
  display: contents;
}

.l-topicpath-list li {
  display: inline;
}

.l-topicpath-list li a {
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.2s;
}

.l-topicpath-list li a:hover {
  color: var(--accent);
}

.l-topicpath-list li:not(:first-child)::before {
  content: ' / ';
  margin: 0 8px;
  opacity: 0.4;
}

/* Audit Number */
.l-shinsa {
  text-align: center;
  padding: 12px 0;
  font-size: 10px;
  color: var(--text-light);
  background: var(--gray-100);
}

/* Wireframe Tags (for development) */
.o-wf-note {
  position: fixed;
  top: 0;
  right: 0;
  background: #FF6B35;
  color: white;
  padding: 10px 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  z-index: 999;
  writing-mode: vertical-rl;
  border-radius: 0 0 0 8px;
}

.o-wf-label {
  background: #FF6B35;
  color: white;
  display: inline-block;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1079px) {
  .l-article-sec__inner {
    padding: 0 32px;
  }

  .l-profile-sec__inner {
    padding: 0 32px;
  }

  .l-fv-center {
    max-width: 700px;
    padding: 0 32px;
  }

  .o-fv-catch {
    font-size: 36px;
  }

  .l-fv-photo-label .o-name-ja {
    font-size: 22px;
  }

  .l-fv-photo:first-child .l-fv-photo-label {
    left: 32px;
  }

  .l-fv-photo:last-child .l-fv-photo-label {
    left: 32px;
  }

  .l-topicpath {
    padding: 24px 32px;
  }

  .l-profile-grid {
    gap: 48px;
  }

  .l-video-sec__inner {
    padding: 0 32px;
  }

  .l-toc {
    padding: 60px 32px 0;
  }

  .l-side-photo-block {
    max-width: 100%;
    gap: 40px;
    grid-template-columns: 1fr 300px;
  }

  .l-side-photo-block.reverse {
    grid-template-columns: 300px 1fr;
  }

  .o-side-photo {
    height: 380px;
  }

  .o-stats-row {
    max-width: 100%;
  }

  .l-next-sec__inner {
    padding: 0 32px;
  }

  .o-next-card {
    grid-template-columns: 360px 1fr;
  }

  .l-cta-sec {
    padding: 80px 32px;
  }
}

@media (max-width: 767px) {

  /* SP: FVを写真エリア＋テキストエリアに分離 */
  .l-fv-hero {
    height: auto;
    min-height: auto;
    padding-bottom: 0;
    display: flex;
    flex-direction: column;
    background: var(--white, #fff);
  }

  .l-fv-hero {
    padding-top: 60px;
  }

  .l-fv-hero-photos {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    height: 56vw;
    min-height: 220px;
    max-height: 320px;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .l-fv-photo .o-placeholder-bg img {
    object-position: top;
  }

  .l-fv-photo-label {
    bottom: 12px;
  }

  .l-fv-photo:first-child .l-fv-photo-label {
    left: 12px;
  }

  .l-fv-photo:last-child .l-fv-photo-label {
    left: 12px;
  }

  .l-fv-photo-label .o-name-ja {
    font-size: 18px;
  }

  .l-fv-photo-label .o-name-en {
    font-size: 9px;
    letter-spacing: 0.15em;
  }

  .l-fv-photo-label .o-title {
    font-size: 9px;
  }

  .l-fv-center {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    background: white;
    color: var(--primary);
    text-align: center;
    padding: 32px 24px 40px;
    width: 100%;
    max-width: 100%;
  }

  .o-fv-catch {
    font-size: 26px;
    color: var(--primary);
    text-shadow: none;
  }

  .o-fv-tag {
    font-size: 11px;
    padding: 6px 18px;
    margin-bottom: 20px;
  }

  .o-fv-divider {
    background: var(--accent);
  }

  .o-fv-desc {
    font-size: 13px;
    color: var(--gray-700);
  }

  .l-fv-scroll {
    display: none;
  }

  .l-topicpath {
    padding: 16px 24px;
  }

  .l-profile-sec {
    padding: 60px 0 40px;
  }

  .o-profile-heading {
    margin-bottom: 40px;
  }

  .o-profile-heading h2 {
    font-size: 22px;
  }

  .l-profile-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .o-profile-card {
    grid-template-columns: 100px 1fr;
    gap: 20px;
  }

  .o-profile-photo {
    width: 100px;
    height: 130px;
  }

  .o-profile-info .o-profile-name {
    font-size: 18px;
  }

  .o-profile-info .o-profile-bio {
    font-size: 12px;
  }

  .l-video-sec {
    padding: 60px 0;
  }

  .l-video-sec__inner {
    padding: 0 24px;
  }

  .l-video-sec h2 {
    font-size: 20px;
    margin-bottom: 32px;
  }

  .l-toc {
    padding: 40px 24px 0;
  }

  .o-toc-box {
    padding: 28px 32px;
  }

  .o-toc-box ol li {
    font-size: 13px;
    line-height: 2;
  }

  .l-article-sec {
    padding: 40px 0 80px;
  }

  .l-article-sec__inner {
    padding: 0 24px;
  }

  .o-chapter-heading {
    padding-top: 48px;
    margin-bottom: 32px;
  }

  .o-chapter-heading h2 {
    font-size: 22px;
  }

  .o-prose p {
    font-size: 14px;
    line-height: 2;
    margin-bottom: 20px;
  }

  .l-side-photo-block,
  .l-side-photo-block.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .l-side-photo-block.reverse .o-side-photo {
    order: -1;
  }

  .o-side-photo {
    position: relative;
    top: auto;
    height: 280px;
  }

  .l-side-photo-block .o-side-text p {
    font-size: 14px;
    line-height: 2;
  }

  .l-photo-break {
    margin-top: 48px;
    margin-bottom: 48px;
    height: 280px;
  }

  .o-pullquote {
    margin: 48px auto;
    padding: 40px 20px;
  }

  .o-pullquote::before {
    font-size: 120px;
    top: -10px;
  }

  .o-pullquote blockquote {
    font-size: 18px;
    line-height: 1.8;
  }

  .o-stats-row {
    grid-template-columns: 1fr;
    gap: 16px;
    margin: 40px auto 48px;
  }

  .o-stat-card {
    padding: 28px 20px;
  }

  .o-stat-card .o-stat-num {
    font-size: 36px;
  }

  .o-highlight-box {
    padding: 32px 28px;
    margin: 40px auto 48px;
  }

  .o-highlight-box h3 {
    font-size: 18px;
  }

  .o-two-photo {
    grid-template-columns: 1fr;
    gap: 16px;
    margin: 48px 0;
  }

  .o-two-photo-item {
    height: 220px;
  }

  .l-next-sec {
    padding: 60px 0;
  }

  .l-next-sec__inner {
    padding: 0 24px;
  }

  .l-next-sec h2 {
    font-size: 20px;
    margin-bottom: 32px;
  }

  .o-next-card {
    grid-template-columns: 1fr;
  }

  .o-next-card-photo {
    height: 200px;
  }

  .o-next-card-content {
    padding: 28px 24px;
  }

  .o-next-card-content h3 {
    font-size: 18px;
  }

  .l-cta-sec {
    padding: 60px 24px;
  }

  .l-cta-sec h2 {
    font-size: 22px;
  }

  .o-cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .o-cta-buttons a {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }
}

@media (max-width: 530px) {
  .l-fv-hero-photos {
    height: 50vw;
    min-height: 180px;
    max-height: 260px;
  }

  .o-fv-catch {
    font-size: 22px;
  }

  .l-fv-photo-label {
    bottom: 8px;
  }

  .l-fv-photo-label .o-name-ja {
    font-size: 15px;
  }

  .l-fv-photo-label .o-name-en {
    font-size: 8px;
  }

  .l-fv-photo-label .o-title {
    font-size: 8px;
  }

  .o-profile-card {
    grid-template-columns: 80px 1fr;
    gap: 16px;
  }

  .o-profile-photo {
    width: 80px;
    height: 104px;
  }

  .o-chapter-heading h2 {
    font-size: 20px;
  }

  .o-pullquote blockquote {
    font-size: 16px;
  }

  .o-stat-card .o-stat-num {
    font-size: 30px;
  }

  .l-photo-break {
    height: 200px;
  }

  .o-next-card-content h3 {
    font-size: 16px;
  }

  .o-slide-embed {
    margin: 40px auto;
  }

  .o-slide-embed__placeholder-title {
    font-size: 13px;
  }

  .o-slide-embed__placeholder-desc {
    font-size: 11px;
  }
}

/* ===== Slide Embed (16:9) ===== */
.o-slide-embed {
  max-width: 760px;
  margin: 60px auto;
  position: relative;
}

.o-slide-embed__frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--gray-200, #E2E6ED);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.o-slide-embed__frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.o-slide-embed__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 32px;
  text-align: center;
  background: linear-gradient(135deg, #f0f4fa 0%, #e8edf5 100%);
}

.o-slide-embed__placeholder-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent, #1A56DB);
  display: flex;
  align-items: center;
  justify-content: center;
}

.o-slide-embed__placeholder-icon svg {
  width: 24px;
  height: 24px;
  fill: white;
}

.o-slide-embed__placeholder-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text, #1A1A2E);
  line-height: 1.5;
}

.o-slide-embed__placeholder-desc {
  font-size: 12px;
  color: var(--text-light, #6B7A90);
  line-height: 1.8;
  max-width: 480px;
}

.o-slide-embed__placeholder-tag {
  display: inline-block;
  background: rgba(26, 86, 219, 0.1);
  color: var(--accent, #1A56DB);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.o-slide-embed__caption {
  margin-top: 12px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.o-slide-embed__caption-num {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 10px;
  font-weight: 600;
  color: var(--accent, #1A56DB);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  white-space: nowrap;
}

.o-slide-embed__caption-text {
  font-size: 12px;
  color: var(--text-light, #6B7A90);
  line-height: 1.6;
}