:root {
  --mta-ink: #253137;
  --mta-muted: #627178;
  --mta-line: #d9e2e5;
  --mta-paper: #fffdf8;
  --mta-soft: #f5f8f7;
  --mta-blue: #1c65b0;
  --mta-blue-dark: #154d86;
  --mta-blue-soft: #eef6ff;
  --mta-green: #168069;
  --mta-gold: #b98542;
  --mta-navy: #20333d;
  --mta-white: #ffffff;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  overflow-x: hidden;
}

.mta-page {
  color: var(--mta-ink);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.9;
  background: var(--mta-paper);
  overflow: hidden;
}

.mta-page * {
  box-sizing: border-box;
}

.mta-page a {
  color: inherit;
}

.mta-container {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
}

.mta-pc-break {
  display: block;
}

.mta-sp-break {
  display: none;
}

.mta-hero {
  position: relative;
  overflow: hidden;
  background: var(--mta-navy);
  color: var(--mta-white);
  padding: 104px 0 94px;
}

.mta-hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(19, 40, 45, .95) 0%, rgba(19, 40, 45, .84) 44%, rgba(19, 40, 45, .38) 76%, rgba(19, 40, 45, .12) 100%),
    url("./about-hero.png") center right / cover no-repeat;
  transform: scale(1.01);
}

.mta-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 92px;
  background: linear-gradient(180deg, rgba(255,253,248,0) 0%, var(--mta-paper) 100%);
  pointer-events: none;
}

.mta-hero-layout {
  position: relative;
  z-index: 1;
  min-height: 460px;
  display: flex;
  align-items: center;
}

.mta-hero-copy {
  max-width: 740px;
}

.mta-kicker {
  margin: 0 0 12px;
  color: var(--mta-green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.4;
  text-transform: uppercase;
}

.mta-hero .mta-kicker {
  color: #b9d9fb;
}

.mta-hero h1,
.mta-section h2 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.35;
}

.mta-hero h1 {
  font-size: 50px;
  font-weight: 800;
}

.mta-lead {
  max-width: 720px;
  margin: 30px 0 0;
  color: rgba(255,255,255,.91);
  font-size: 19px;
  line-height: 2;
}

.mta-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 42px;
}

.mta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}

.mta-button:hover {
  transform: translateY(-1px);
}

.mta-button-primary {
  background: var(--mta-blue);
  color: var(--mta-white);
}

.mta-button-primary:hover {
  background: var(--mta-blue-dark);
  color: var(--mta-white);
}

.mta-button-secondary {
  border-color: rgba(255,255,255,.58);
  color: var(--mta-white);
}

.mta-section {
  padding: 88px 0;
}

.mta-section-heading {
  max-width: 780px;
  margin-bottom: 40px;
}

.mta-section-heading h2,
.mta-intro-layout h2,
.mta-two-column h2,
.mta-profile-layout h2 {
  font-size: 30px;
  font-weight: 800;
}

.mta-section-heading p,
.mta-intro-copy p,
.mta-two-column p,
.mta-profile-layout p {
  margin: 16px 0 0;
  color: var(--mta-muted);
  font-size: 16px;
  line-height: 1.9;
}

.mta-intro-section {
  padding-top: 64px;
}

.mta-intro-layout {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(420px, 1fr);
  gap: 58px;
  align-items: start;
}

.mta-intro-copy {
  border-top: 2px solid var(--mta-gold);
  padding-top: 24px;
}

.mta-field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--mta-line);
  background: var(--mta-line);
}

.mta-card {
  min-height: 255px;
  padding: 32px;
  background: var(--mta-white);
}

.mta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 66px;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--mta-blue-soft);
  color: var(--mta-blue-dark);
  font-size: 12px;
  font-weight: 800;
}

.mta-card h3,
.mta-stance-list h3 {
  margin: 16px 0 12px;
  font-size: 20px;
  line-height: 1.45;
}

.mta-card p,
.mta-stance-list p {
  margin: 0;
  color: var(--mta-muted);
  font-size: 16px;
  line-height: 1.85;
}

.mta-stance-section,
.mta-business-section {
  background: var(--mta-soft);
}

.mta-two-column,
.mta-profile-layout {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(430px, 1fr);
  gap: 56px;
  align-items: start;
}

.mta-stance-list {
  display: grid;
  gap: 14px;
}

.mta-stance-list article {
  padding: 28px;
  border: 1px solid var(--mta-line);
  border-radius: 6px;
  background: var(--mta-white);
}

.mta-stance-list span {
  color: var(--mta-blue);
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
}

.mta-fit-section {
  background: #f3efe8;
}

.mta-check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mta-check-list li {
  position: relative;
  min-height: 86px;
  padding: 17px 18px 17px 45px;
  border: 1px solid var(--mta-line);
  border-radius: 6px;
  background: var(--mta-white);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.75;
}

.mta-check-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 25px;
  width: 12px;
  height: 7px;
  border-left: 3px solid var(--mta-blue);
  border-bottom: 3px solid var(--mta-blue);
  transform: rotate(-45deg);
}

.mta-profile-table {
  margin: 0;
  border-top: 1px solid var(--mta-line);
}

.mta-profile-table div {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 22px;
  padding: 18px 0;
  border-bottom: 1px solid var(--mta-line);
}

.mta-profile-table dt {
  color: var(--mta-muted);
  font-weight: 800;
}

.mta-profile-table dd {
  margin: 0;
  font-weight: 700;
}

.mta-business-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.mta-business-grid > br {
  display: none;
}

.mta-business-grid span {
  min-height: 74px;
  display: flex;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid var(--mta-line);
  border-left: 4px solid var(--mta-blue);
  border-radius: 6px;
  background: var(--mta-white);
  font-weight: 800;
  line-height: 1.55;
}

@media (max-width: 960px) {
  .mta-intro-layout,
  .mta-field-grid,
  .mta-two-column,
  .mta-profile-layout,
  .mta-business-grid {
    grid-template-columns: 1fr;
  }

  .mta-check-list {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 640px) {
  .mta-container {
    width: min(100% - 32px, 1160px);
  }

  .mta-hero {
    padding: 72px 0 64px;
  }

  .mta-hero-bg {
    background:
      linear-gradient(90deg, rgba(19, 40, 45, .96) 0%, rgba(19, 40, 45, .88) 100%),
      url("./about-hero.png") center right / cover no-repeat;
  }

  .mta-hero-layout {
    min-height: auto;
  }

  .mta-pc-break {
    display: none;
  }

  .mta-sp-break {
    display: block;
  }

  .mta-hero h1 {
    font-size: 32px;
  }

  .mta-lead {
    font-size: 16px;
    line-height: 1.9;
  }

  .mta-section {
    padding: 60px 0;
  }

  .mta-section-heading h2,
  .mta-intro-layout h2,
  .mta-two-column h2,
  .mta-profile-layout h2 {
    font-size: 25px;
  }

  .mta-button {
    width: 100%;
  }

  .mta-hero-actions {
    gap: 12px;
  }

  .mta-card,
  .mta-stance-list article {
    padding: 24px;
  }

  .mta-profile-table div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .mta-business-grid span,
  .mta-check-list li,
  .mta-card p,
  .mta-stance-list p {
    font-size: 15px;
  }
}