/* サービストップ（/）専用。既存縦軸LPのトークンに揃える */
:root {
  --st-navy: #07306d;
  --st-navy-deep: #002553;
  --st-blue: #0046b8;
  --st-blue-dark: #002f7c;
  --st-orange: #ff6b00;
  --st-red: #e60012;
  --st-text: #111111;
  --st-muted: #555555;
  --st-line: #cdd7e8;
  --st-paper: #f0f0f0;
  --st-white: #ffffff;
  --st-max: 1080px;
}

.st-body {
  margin: 0;
  color: var(--st-text);
  background: var(--st-white);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.7;
  font-weight: 500;
}

.st-body a {
  color: inherit;
  text-decoration: none;
}

.st-body img {
  max-width: 100%;
  display: block;
}

/* Header */
.st-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid #e7e7e7;
  backdrop-filter: blur(10px);
}

.st-header__inner {
  width: min(100% - 32px, var(--st-max));
  margin: 0 auto;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.st-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.st-logo img {
  width: 92px;
  height: auto;
}

.st-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
  font-weight: 700;
  color: var(--st-navy);
}

.st-nav a:hover {
  color: var(--st-blue);
}

.st-nav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 4px;
  color: var(--st-white) !important;
  background: linear-gradient(90deg, var(--st-red), var(--st-orange));
  font-weight: 700;
  font-size: 12px;
}

.st-nav__cta:hover {
  filter: brightness(1.05);
}

/* Hero */
.st-hero {
  position: relative;
  min-height: min(88vh, 720px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--st-white);
  background: var(--st-navy-deep);
}

.st-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.st-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 42% center;
  transform: scale(1.04);
  animation: stHeroDrift 18s ease-in-out infinite alternate;
}

.st-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(0, 24, 74, 0.88) 0%, rgba(0, 37, 87, 0.62) 42%, rgba(7, 48, 109, 0.28) 100%),
    linear-gradient(180deg, rgba(0, 20, 60, 0.18) 0%, rgba(0, 20, 60, 0.55) 100%);
}

.st-hero__copy {
  position: relative;
  z-index: 1;
  width: min(100% - 32px, var(--st-max));
  margin: 0 auto;
  padding: 72px 0 64px;
  animation: stRise 0.9s ease-out both;
}

.st-brand {
  margin: 0 0 18px;
  font-size: clamp(42px, 8vw, 72px);
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.05;
}

.st-hero__copy h1 {
  margin: 0 0 16px;
  max-width: 16em;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.st-hero__copy p {
  margin: 0 0 28px;
  max-width: 28em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.9);
}

.st-hero__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--st-red), var(--st-orange));
  color: var(--st-white) !important;
  font-weight: 700;
  font-size: 15px;
  transition: transform 0.25s ease, filter 0.25s ease;
}

.st-hero__cta:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

/* Sections */
.st-section {
  padding: 72px 0;
}

.st-section--paper {
  background: var(--st-paper);
}

.st-wrap {
  width: min(100% - 32px, var(--st-max));
  margin: 0 auto;
}

.st-section__head {
  margin: 0 0 36px;
  max-width: 36em;
}

.st-section__head--center {
  max-width: none;
  text-align: center;
}

.st-section__head--center p {
  max-width: 28em;
  margin-left: auto;
  margin-right: auto;
}

.st-section__head h2 {
  margin: 0 0 12px;
  color: var(--st-navy);
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1.35;
  font-weight: 700;
}

.st-section__head p {
  margin: 0;
  color: var(--st-muted);
  font-size: 15px;
  line-height: 1.8;
}

/* Purpose — visual cards */
.st-purpose-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.st-purpose {
  border: 1px solid var(--st-line);
  background: var(--st-white);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.st-purpose:hover {
  border-color: rgba(0, 70, 184, 0.6);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 37, 87, 0.1);
}

.st-purpose__thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--st-paper);
}

.st-purpose__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.st-purpose:hover .st-purpose__thumb img {
  transform: scale(1.04);
}

.st-purpose__body {
  padding: 16px 18px 18px;
}

.st-purpose h3 {
  margin: 0 0 6px;
  color: var(--st-navy);
  font-size: 17px;
  line-height: 1.45;
}

.st-purpose p {
  margin: 0 0 10px;
  color: var(--st-muted);
  font-size: 13px;
  line-height: 1.7;
}

.st-purpose__action {
  color: var(--st-blue-dark);
  font-size: 13px;
  font-weight: 700;
}

/* Service cards */
.st-service-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.st-service-card {
  border: 1px solid var(--st-line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--st-white);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.st-service-card:hover {
  border-color: rgba(0, 70, 184, 0.55);
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(0, 37, 87, 0.1);
}

.st-service-card__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--st-paper);
}

.st-service-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.st-service-card:hover .st-service-card__media img {
  transform: scale(1.04);
}

.st-service-card__body {
  padding: 16px 18px 18px;
}

.st-service-card__name {
  margin: 0;
  color: var(--st-navy);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
}

.st-service-card__meta {
  margin: 6px 0 12px;
  color: var(--st-muted);
  font-size: 12px;
  font-weight: 700;
}

.st-service-card__action {
  color: var(--st-blue-dark);
  font-size: 13px;
  font-weight: 700;
}

.st-service-card--muted {
  opacity: 0.78;
}

.st-service-card--muted .st-service-card__meta {
  color: #8a6a00;
}

.st-service-card--muted:hover {
  opacity: 0.92;
}

/* Why — visual cards */
.st-why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.st-why-card {
  border: 1px solid var(--st-line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--st-white);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.st-why-card.is-in {
  opacity: 1;
  transform: none;
}

.st-why-card__thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--st-paper);
}

.st-why-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.st-why-card__num {
  display: block;
  padding: 14px 18px 0;
  color: var(--st-blue);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.st-why-card h3 {
  margin: 0;
  padding: 6px 18px 0;
  color: var(--st-navy);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}

.st-why-card p {
  margin: 0;
  padding: 8px 18px 18px;
  color: var(--st-muted);
  font-size: 13px;
  line-height: 1.75;
}

/* Trust — visual cards */
.st-trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.st-trust {
  border: 1px solid var(--st-line);
  background: var(--st-white);
  padding: 20px 18px;
  border-radius: 6px;
}

.st-trust--visual {
  text-align: center;
  padding-top: 24px;
}

.st-trust__thumb {
  width: 72px;
  height: 72px;
  margin: 0 auto 14px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--st-line);
}

.st-trust__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.st-trust h3 {
  margin: 0 0 8px;
  color: var(--st-navy);
  font-size: 16px;
  line-height: 1.45;
}

.st-trust p {
  margin: 0;
  color: var(--st-muted);
  font-size: 13px;
  line-height: 1.75;
  text-align: left;
}

/* Magazine — hero cards with thumb strip */
.st-mag-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.st-mag-card {
  border: 1px solid var(--st-line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--st-white);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.st-mag-card:hover {
  border-color: rgba(0, 70, 184, 0.55);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 37, 87, 0.1);
}

.st-mag-card__hero {
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background: var(--st-paper);
}

.st-mag-card__hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.st-mag-card:hover .st-mag-card__hero img {
  transform: scale(1.03);
}

.st-mag-card__body {
  padding: 16px 18px 12px;
}

.st-mag-card h3 {
  margin: 0 0 4px;
  color: var(--st-navy);
  font-size: 18px;
  font-weight: 700;
}

.st-mag-card__body p {
  margin: 0 0 8px;
  color: var(--st-muted);
  font-size: 13px;
  line-height: 1.7;
}

.st-mag-card__action {
  color: var(--st-blue-dark);
  font-size: 13px;
  font-weight: 700;
}

.st-mag-card__thumbs {
  display: flex;
  gap: 6px;
  padding: 0 18px 16px;
}

.st-mag-card__thumbs img {
  flex: 1;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 3px;
  border: 1px solid var(--st-line);
}

/* Footer */
.st-footer {
  text-align: center;
  padding: 28px 16px 32px;
  color: #777;
  font-size: 12px;
  background: var(--st-white);
  border-top: 1px solid #e7e7e7;
}

.st-footer a {
  color: var(--st-blue-dark);
  font-weight: 700;
  margin: 0 8px;
}

.st-footer a:hover {
  text-decoration: underline;
}

.st-footer p {
  margin: 10px 0 0;
  color: #999;
}

@keyframes stRise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes stHeroDrift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.08) translate3d(-1.2%, -0.6%, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .st-hero__media img,
  .st-hero__copy,
  .st-why-card,
  .st-service-card,
  .st-purpose,
  .st-mag-card,
  .st-hero__cta {
    animation: none !important;
    transition: none !important;
  }

  .st-why-card {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 760px) {
  .st-header__inner {
    height: 54px;
    gap: 10px;
  }

  .st-logo img {
    width: 78px;
  }

  .st-nav {
    gap: 10px;
    font-size: 12px;
  }

  .st-nav__link {
    display: none;
  }

  .st-nav__cta {
    min-height: 34px;
    padding: 0 12px;
    font-size: 11px;
  }

  .st-hero {
    min-height: min(92vh, 640px);
    align-items: flex-end;
  }

  .st-hero__media img {
    object-position: 34% center;
  }

  .st-hero__copy {
    padding: 56px 0 48px;
  }

  .st-brand {
    font-size: clamp(36px, 12vw, 52px);
  }

  .st-hero__copy h1 {
    font-size: clamp(22px, 6.4vw, 28px);
  }

  .st-hero__copy p {
    font-size: 14px;
  }

  .st-hero__cta {
    width: 100%;
  }

  .st-section {
    padding: 56px 0;
  }

  .st-purpose-grid,
  .st-service-cards,
  .st-why-grid,
  .st-trust-grid,
  .st-mag-cards {
    grid-template-columns: 1fr;
  }

  .st-mag-card__thumbs {
    gap: 4px;
  }
}