@charset "utf-8";

/*
 * about-growth.css
 * about_us.html 専用
 * 既存ヘッダー / ナビゲーション / フッターへ影響させないため
 * すべて .about-growth 配下に限定する。
 */

.about-growth {
  --ag-base: #680000;
  --ag-dark: #221d1d;
  --ag-text: #333;
  --ag-muted: #6f6a68;
  --ag-border: #e3dddd;
  --ag-soft: #f7f4f2;
  --ag-white: #fff;
  color: var(--ag-text);
  letter-spacing: .06em;
}

.about-growth *,
.about-growth *::before,
.about-growth *::after {
  box-sizing: border-box;
}

.about-growth__inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.about-growth__eyebrow {
  margin: 0 0 14px;
  color: var(--ag-base);
  font-family: "Josefin Sans", Arial, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
}

.about-growth h1,
.about-growth h2,
.about-growth h3,
.about-growth p {
  margin-top: 0;
}

.about-growth h1 {
  margin-bottom: 22px;
  color: var(--ag-dark);
  font-size: clamp(32px, 4.4vw, 58px);
  line-height: 1.35;
  letter-spacing: .035em;
}

.about-growth h2 {
  color: var(--ag-dark);
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.45;
  letter-spacing: .04em;
}

.about-growth h3 {
  color: var(--ag-dark);
  line-height: 1.45;
}

.about-growth p,
.about-growth li {
  line-height: 1.9;
}

.about-growth--hero {
  padding: 90px 0 78px;
  background:
    radial-gradient(circle at 90% 10%, rgba(104,0,0,.08), transparent 34%),
    linear-gradient(180deg, #fff 0%, #fbf8f7 100%);
  border-bottom: 1px solid var(--ag-border);
}

.about-growth__lead {
  max-width: 920px;
  margin-bottom: 42px;
  color: #4e4846;
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.9 !important;
}

.about-growth__hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
  gap: 42px;
  align-items: stretch;
}

.about-growth__hero-copy {
  padding: 34px;
  background: var(--ag-white);
  border: 1px solid var(--ag-border);
  border-radius: 18px;
  box-shadow: 0 14px 35px rgba(54, 34, 34, .06);
}

.about-growth__hero-copy h2 {
  margin-bottom: 18px;
  font-size: clamp(22px, 2.2vw, 30px);
}

.about-growth__hero-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.about-growth__hero-points > div {
  display: flex;
  min-height: 130px;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
  background: var(--ag-dark);
  color: #fff;
  border-radius: 16px;
}

.about-growth__hero-points strong {
  color: #e9b9b9;
  font-family: "Josefin Sans", Arial, sans-serif;
  font-size: 28px;
}

.about-growth__hero-points span {
  font-weight: 700;
  line-height: 1.5;
}

.about-growth__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.about-growth .about-growth__cta {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border: 2px solid var(--ag-base);
  border-radius: 999px;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.about-growth .about-growth__cta:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.about-growth__cta--primary {
  background: var(--ag-base);
  color: #fff !important;
  box-shadow: 0 10px 24px rgba(104,0,0,.18);
}

.about-growth__cta--secondary {
  background: #fff;
  color: var(--ag-base) !important;
}

.about-growth__micro {
  margin: 12px 0 0;
  color: var(--ag-muted);
  font-size: 12px;
}

.about-growth--ecosystem,
.about-growth--difference,
.about-growth--faq {
  padding: 88px 0;
}

.about-growth__section-lead {
  max-width: 860px;
  margin: 0 0 38px;
  color: var(--ag-muted);
  font-size: 17px;
}

.about-growth__service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.about-growth__service-card {
  position: relative;
  overflow: hidden;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--ag-border);
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(36, 24, 24, .05);
}

.about-growth__service-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--ag-base);
  content: "";
}

.about-growth__service-label {
  margin-bottom: 8px;
  color: var(--ag-base);
  font-family: "Josefin Sans", Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
}

.about-growth__service-card h3 {
  margin-bottom: 4px;
  font-family: "Josefin Sans", Arial, sans-serif;
  font-size: 30px;
  letter-spacing: .02em;
}

.about-growth__service-name {
  margin-bottom: 18px;
  color: var(--ag-muted);
  font-size: 13px;
  font-weight: 700;
}

.about-growth__service-card ul {
  margin: 18px 0 20px;
  padding: 0;
  list-style: none;
}

.about-growth__service-card li {
  position: relative;
  padding-left: 20px;
}

.about-growth__service-card li::before {
  position: absolute;
  top: .84em;
  left: 2px;
  width: 7px;
  height: 7px;
  background: var(--ag-base);
  border-radius: 50%;
  content: "";
}

.about-growth__service-card a {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--ag-base);
  font-weight: 700;
  border-bottom: 1px solid rgba(104,0,0,.35);
}

.about-growth--cases {
  padding: 88px 0;
  background: var(--ag-dark);
  color: #fff;
}

.about-growth--cases .about-growth__eyebrow {
  color: #e9b9b9;
}

.about-growth--cases h2,
.about-growth--cases h3 {
  color: #fff;
}

.about-growth__case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.about-growth__case-grid article {
  display: flex;
  min-height: 330px;
  flex-direction: column;
  padding: 28px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 18px;
}

.about-growth__case-no {
  margin-bottom: 18px;
  color: #e9b9b9;
  font-family: "Josefin Sans", Arial, sans-serif;
  font-size: 12px;
  letter-spacing: .18em;
}

.about-growth__case-grid h3 {
  margin-bottom: 14px;
  font-size: 22px;
}

.about-growth__case-grid p {
  color: #e4dddd;
}

.about-growth__route {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: auto;
  padding-top: 20px;
}

.about-growth__route span {
  padding: 6px 9px;
  background: #fff;
  color: var(--ag-dark);
  border-radius: 7px;
  font-size: 11px;
  font-weight: 700;
}

.about-growth__route b {
  color: #e9b9b9;
}

.about-growth__difference-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.about-growth__difference-grid > div {
  padding: 24px 22px;
  background: var(--ag-soft);
  border-radius: 15px;
}

.about-growth__difference-grid strong {
  display: block;
  margin-bottom: 18px;
  color: var(--ag-base);
  font-family: "Josefin Sans", Arial, sans-serif;
  font-size: 28px;
}

.about-growth__difference-grid h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.about-growth--fit {
  padding: 0 0 88px;
}

.about-growth__fit-panel {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 44px;
  padding: 42px;
  background: #f4efed;
  border-radius: 20px;
}

.about-growth__fit-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-growth__fit-panel li {
  position: relative;
  padding: 13px 0 13px 28px;
  border-bottom: 1px solid #d8ceca;
}

.about-growth__fit-panel li:last-child {
  border-bottom: 0;
}

.about-growth__fit-panel li::before {
  position: absolute;
  top: 17px;
  left: 0;
  width: 15px;
  height: 15px;
  border: 4px solid var(--ag-base);
  border-radius: 50%;
  content: "";
}

.about-growth__faq-list {
  margin-top: 28px;
  border-top: 1px solid var(--ag-border);
}

.about-growth__faq-list details {
  border-bottom: 1px solid var(--ag-border);
}

.about-growth__faq-list summary {
  position: relative;
  padding: 22px 48px 22px 0;
  color: var(--ag-dark);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.about-growth__faq-list summary::-webkit-details-marker {
  display: none;
}

.about-growth__faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 10px;
  width: 28px;
  height: 28px;
  transform: translateY(-50%);
  border: 1px solid var(--ag-border);
  border-radius: 50%;
  color: var(--ag-base);
  content: "+";
  line-height: 26px;
  text-align: center;
}

.about-growth__faq-list details[open] summary::after {
  content: "−";
}

.about-growth__faq-list details p {
  max-width: 920px;
  padding: 0 48px 22px 0;
  color: var(--ag-muted);
}

.about-growth--final {
  padding: 78px 0;
  background: linear-gradient(135deg, #5a0000 0%, #850707 100%);
  color: #fff;
  text-align: center;
}

.about-growth--final .about-growth__inner {
  max-width: 900px;
}

.about-growth--final .about-growth__eyebrow {
  color: #f0c9c9;
}

.about-growth--final h2 {
  color: #fff;
}

.about-growth--final p {
  color: #f4eaea;
}

.about-growth--final .about-growth__cta-row {
  justify-content: center;
}

.about-growth--final .about-growth__cta--primary {
  background: #fff;
  color: var(--ag-base) !important;
  border-color: #fff;
}

.about-growth--final .about-growth__cta--secondary {
  background: transparent;
  color: #fff !important;
  border-color: rgba(255,255,255,.78);
}

@media screen and (max-width: 900px) {
  .about-growth__hero-grid,
  .about-growth__fit-panel {
    grid-template-columns: 1fr;
  }

  .about-growth__case-grid {
    grid-template-columns: 1fr;
  }

  .about-growth__case-grid article {
    min-height: 0;
  }

  .about-growth__difference-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media screen and (max-width: 700px) {
  .about-growth__inner {
    width: min(100% - 28px, 1180px);
  }

  .about-growth--hero,
  .about-growth--ecosystem,
  .about-growth--cases,
  .about-growth--difference,
  .about-growth--faq,
  .about-growth--final {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .about-growth h1 {
    font-size: 31px;
  }

  .about-growth h2 {
    font-size: 25px;
  }

  .about-growth__pc-only {
    display: none;
  }

  .about-growth__lead {
    font-size: 16px;
  }

  .about-growth__hero-copy {
    padding: 24px 20px;
  }

  .about-growth__hero-points {
    grid-template-columns: 1fr 1fr;
  }

  .about-growth__hero-points > div {
    min-height: 110px;
    padding: 16px;
  }

  .about-growth__service-grid,
  .about-growth__difference-grid {
    grid-template-columns: 1fr;
  }

  .about-growth__service-card {
    padding: 24px 20px;
  }

  .about-growth__fit-panel {
    gap: 20px;
    padding: 28px 20px;
  }

  .about-growth__cta-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .about-growth .about-growth__cta {
    width: 100%;
  }
}

@media screen and (max-width: 390px) {
  .about-growth__hero-points {
    grid-template-columns: 1fr;
  }
}