.about-main {
  height: auto;
  overflow: visible;
}

/* Each section fills full viewport height */
.about-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px clamp(32px, 8vw, 120px);
}

/* Hero */
.about-section--hero {
  min-height: 60vh;
  border-bottom: 1px solid #e0e0e0;
  position: relative;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.about-section--hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 0;
}

.about-section--hero .about-hero-sub,
.about-section--hero .about-hero-title {
  position: relative;
  z-index: 1;
  color: #fff;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.about-section--hero.is-entering .about-hero-sub {
  opacity: 0;
  animation: heroFadeIn 0.8s ease 0.2s forwards;
}

.about-section--hero.is-entering .about-hero-title {
  opacity: 0;
  animation: heroFadeIn 0.8s ease 0.4s forwards;
}

.about-hero-sub {
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 24px;
}

.about-hero-title {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: bold;
  letter-spacing: -0.03em;
  line-height: 1;
}

/* Overview section */
.about-section--overview {
  background: #fff;
}

.about-section-label {
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 48px;
  padding-left: 12px;
  border-left: 2px solid #3CB4A4;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  width: 100%;
}

.overview-map {
  height: 420px;
}

.overview-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.about-table {
  display: flex;
  flex-direction: column;
}

.about-table-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 0 32px;
  padding: 18px 0;
  border-bottom: 1px solid #ebebeb;
  font-size: 14px;
  line-height: 1.7;
}

.about-table-row:first-child {
  border-top: 1px solid #ebebeb;
}

.about-table dt {
  color: #999;
  font-weight: normal;
}

.about-table dd a,
.about-table dd a[href^="tel"],
.about-table dd a[href^="fax"] {
  color: #000;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.overview-extra {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 64px;
  border-top: 1px solid #ebebeb;
}

.overview-extra-block {
  padding: 32px 0;
  border-bottom: 1px solid #ebebeb;
}

.overview-extra-block:first-child {
  padding-right: 48px;
  border-right: 1px solid #ebebeb;
}

.overview-extra-block:last-child {
  padding-left: 48px;
}

.overview-extra-label {
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.2em;
  color: #999;
  margin-bottom: 20px;
}

.overview-extra-value {
  font-size: 14px;
  color: #111;
  line-height: 1.7;
}

.overview-clients {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.overview-clients li {
  font-size: 13px;
  color: #333;
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
  line-height: 1.5;
}

.overview-clients li:nth-last-child(-n+2) {
  border-bottom: none;
}

.overview-clients-more {
  color: #999 !important;
  font-style: italic;
}

@media (max-width: 768px) {
  .overview-extra {
    grid-template-columns: 1fr;
    margin-top: 40px;
  }

  .overview-extra-block:first-child {
    padding-right: 0;
    border-right: none;
  }

  .overview-extra-block:last-child {
    padding-left: 0;
  }

  .overview-clients {
    grid-template-columns: 1fr;
  }

  .overview-clients li:last-child {
    border-bottom: none;
  }
}

/* Business section */
.about-section--business {
  background: linear-gradient(rgba(0,0,0,0.1), rgba(0,0,0,0.1)), url('imgs/paper.jpg') center center / cover no-repeat;
  min-height: 50vh;
  color: #fff;
}

.about-section--business .about-section-label {
  color: rgba(255, 255, 255, 0.6);
}

.business-split {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0 60px;
  align-items: center;
  width: 100%;
}

.business-divider {
  width: 1px;
  height: 200px;
  background: rgba(255, 255, 255, 0.35);
}

.business-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.business-col-num {
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.5);
}

.business-col-title {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: bold;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.business-col-desc {
  font-size: clamp(13px, 1.2vw, 15px);
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.7);
}

.business-sub-label {
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 60px;
  margin-bottom: 16px;
}

.business-sub {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.business-sub li {
  padding: 28px 24px;
  font-size: clamp(14px, 1.4vw, 18px);
  color: #fff;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  line-height: 1.6;
}

.business-sub li:last-child {
  border-right: none;
}

@media (max-width: 768px) {
  .business-sub {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 40px;
  }

  .business-sub li {
    padding: 20px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  .business-sub li:nth-child(even) {
    border-right: none;
  }

  .business-sub li:nth-last-child(-n+1) {
    border-bottom: none;
  }
}

/* グッズ制作実績 */
.about-section--goods {
  background: #f5f5f6;
}

.goods-list {
  list-style: none;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid #e0e0e0;
  border-left: 1px solid #e0e0e0;
}

.goods-list li {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 24px 28px;
  border-bottom: 1px solid #e0e0e0;
  border-right: 1px solid #e0e0e0;
  line-height: 1.6;
}

.goods-num {
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.1em;
  color: #bbb;
  flex-shrink: 0;
}

.goods-title {
  font-size: clamp(12px, 1.1vw, 14px);
  color: #111;
}

@media (max-width: 768px) {
  .goods-list {
    grid-template-columns: 1fr;
  }

  .goods-list li {
    padding: 18px 0;
    border-right: none;
    border-left: none;
    border-top: none;
  }

  .goods-list {
    border-left: none;
  }
}

/* NICについて */
.about-section--about {
  background: linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)), url('imgs/hand-shake.jpg') center/cover no-repeat;
  color: #fff;
}

.about-section--about .about-section-label {
  color: rgba(255, 255, 255, 0.6);
}

.about-section--about .about-mission-label {
  color: rgba(255, 255, 255, 0.6);
}

.about-section--about .about-body {
  color: rgba(255, 255, 255, 0.85);
}

.about-section--about .about-mission-catch {
  color: #fff;
}

.about-body-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 48px;
  width: 100%;
}

.about-body-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid #e0e0e0;
}

.about-body-lead {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: bold;
  letter-spacing: -0.02em;
}

.about-body-item:nth-child(1) .about-body-lead { color: #333333; }
.about-body-item:nth-child(2) .about-body-lead { color: #D4869A; }
.about-body-item:nth-child(3) .about-body-lead { color: #6BC4DA; }
.about-body-item:nth-child(4) .about-body-lead { color: #3CB4A4; }
.about-body-item:nth-child(5) .about-body-lead { color: #8B1A1A; }

.about-body {
  font-size: clamp(13px, 1.1vw, 15px);
  line-height: 2;
  color: #333;
}

@media (max-width: 768px) {
  .about-body-group {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* Good Link */
.about-section--mission {
  background: linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)), url('imgs/hand-shake.jpg') center/cover no-repeat;
  color: #fff;
}

.about-section--mission .about-section-label {
  color: #666;
}

.about-mission-statement {
  margin-bottom: 8px;
}

.about-mission-label {
  font-size: 13px;
  letter-spacing: 0.15em;
  color: #aaa;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.about-mission-catch {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: bold;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 24px;
}

.about-mission-title {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: bold;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 48px;
}

.about-section--mission .about-body {
  color: #ccc;
}

.about-contact-btn {
  display: inline-block;
  margin-top: 48px;
  padding: 14px 36px;
  border: 1px solid #fff;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.08em;
  transition: background 0.2s, color 0.2s;
}

.about-contact-btn:hover {
  background: #8B1A1A;
  border-color: #8B1A1A;
  color: #fff;
}

/* Mobile */
@media (max-width: 768px) {
  .about-section {
    min-height: auto;
    padding: 60px 20px;
  }

  .about-section-label {
    margin-bottom: 32px;
  }

  .about-hero-title {
    font-size: clamp(32px, 10vw, 48px);
  }

  .about-table-row {
    grid-template-columns: 90px 1fr;
    font-size: 13px;
    gap: 0 16px;
  }

  .overview-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .overview-map {
    height: 260px;
  }

  .business-split {
    grid-template-columns: 1fr;
    gap: 40px 0;
  }

  .business-divider {
    width: 100%;
    height: 1px;
  }

  .about-mission-title {
    font-size: clamp(24px, 6vw, 40px);
    margin-bottom: 32px;
  }

  .about-contact-btn {
    margin-top: 32px;
  }

  .about-section--hero {
    min-height: 25vh;
  }
}