:root {
  --c-primary:       #1B3A6B;
  --c-primary-dk:    #122852;
  --c-primary-lt:    #2C5299;
  --c-accent:        #E07020;
  --c-accent-dk:     #C05C10;
  --c-bg:            #F6F4EF;
  --c-surface:       #FFFFFF;
  --c-text:          #1A1A1A;
  --c-text-muted:    #6B6561;
  --c-border:        #DED9D2;
  --c-placeholder:   #E4E0DA;
  --c-placeholder-t: #B8B4AE;

  --font:            'Noto Sans JP', sans-serif;
  --radius-sm:       4px;
  --radius-md:       8px;
  --radius-lg:       16px;
  --radius-xl:       24px;

  --max-w: 1140px;
  --px:    clamp(16px, 4vw, 48px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  border: 2px solid transparent;
  white-space: nowrap;
  line-height: 1.2;
}
.btn-primary {
  background-color: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
}
.btn-primary:hover {
  background-color: var(--c-accent-dk);
  border-color: var(--c-accent-dk);
}

.img-placeholder {
  background-color: var(--c-placeholder);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--c-placeholder-t);
  font-size: 12px;
  font-weight: 500;
  gap: 10px;
  border-radius: var(--radius-md);
  letter-spacing: 0.05em;
}

.site-header {
  background-color: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding-block: 18px;
}
.site-header .container {
  display: flex;
  align-items: center;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand__logo {
  flex-shrink: 0;
  display: block;
}
.brand__name {
  font-size: 22px;
  font-weight: 700;
  color: var(--c-primary);
  letter-spacing: -0.03em;
}
.brand__name em {
  font-style: normal;
  color: var(--c-accent);
}

.page-hero {
  background-color: var(--c-primary);
  color: #fff;
  padding-block: 64px;
}
.page-hero__label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 14px;
}
.page-hero__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
}

.page-section {
  padding-block: 72px;
}
.page-section--alt {
  background-color: var(--c-surface);
}
.page-section__title {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 20px;
  line-height: 1.3;
}
.page-section__text {
  font-size: 15px;
  color: var(--c-text-muted);
  line-height: 1.85;
  max-width: 700px;
}
.page-section__text + .page-section__text {
  margin-top: 16px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-grid--reverse {
  direction: rtl;
}
.about-grid--reverse > * {
  direction: ltr;
}
.about-image {
  border-radius: var(--radius-xl);
  height: 360px;
  overflow: hidden;
}

.mission-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.mission-list__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
  color: var(--c-text-muted);
  line-height: 1.7;
}
.mission-list__dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  background-color: var(--c-accent);
  border-radius: 50%;
  margin-top: 9px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.value-card {
  background-color: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
}
.value-card__number {
  font-size: 28px;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: 12px;
}
.value-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 8px;
}
.value-card__text {
  font-size: 13px;
  color: var(--c-text-muted);
  line-height: 1.7;
}

.about-stat-row {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.about-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.about-stat__num {
  font-size: 28px;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1;
}
.about-stat__lbl {
  font-size: 12px;
  color: var(--c-text-muted);
}

.value-card__illust {
  margin-bottom: 14px;
}

.mission-list-block {
  margin-top: 48px;
  background-color: var(--c-bg);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--radius-md);
  padding: 28px 32px;
}
.mission-list-block__title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-bottom: 18px;
}

.staff-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}
.staff-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.staff-feature__icon {
  width: 38px;
  height: 38px;
  background-color: rgba(27,58,107,0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.staff-feature__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 2px;
}
.staff-feature__text {
  font-size: 12px;
  color: var(--c-text-muted);
}

.legal-content {
  padding-block: 72px;
  background-color: var(--c-surface);
}

.legal-article {
  max-width: 800px;
  margin-inline: auto;
}

.legal-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 48px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--c-border);
}

.legal-meta__item {
  font-size: 13px;
  color: var(--c-text-muted);
}

.legal-meta__item strong {
  color: var(--c-text);
  font-weight: 700;
}

.legal-toc {
  background-color: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 48px;
}

.legal-toc__title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-bottom: 16px;
}

.legal-toc__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc-counter;
}

.legal-toc__list li {
  counter-increment: toc-counter;
}

.legal-toc__list a {
  font-size: 14px;
  color: var(--c-primary);
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.legal-toc__list a::before {
  content: counter(toc-counter, decimal-leading-zero);
  font-size: 11px;
  font-weight: 700;
  color: var(--c-accent);
  flex-shrink: 0;
  min-width: 22px;
}

.legal-toc__list a:hover {
  color: var(--c-accent);
}

.legal-section {
  margin-bottom: 52px;
  scroll-margin-top: 80px;
}

.legal-section__heading {
  font-size: 19px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--c-border);
  line-height: 1.35;
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.legal-section__num {
  font-size: 12px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.1em;
  flex-shrink: 0;
  padding-top: 2px;
}

.legal-section__body p {
  font-size: 15px;
  color: var(--c-text-muted);
  line-height: 1.85;
  margin-bottom: 14px;
}

.legal-section__body p:last-child {
  margin-bottom: 0;
}

.legal-section__body ul,
.legal-section__body ol {
  padding-left: 0;
  list-style: none;
  margin: 14px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.legal-section__body ul li {
  font-size: 14px;
  color: var(--c-text-muted);
  line-height: 1.7;
  padding-left: 20px;
  position: relative;
}

.legal-section__body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--c-accent);
  border-radius: 50%;
}

.legal-section__body ol {
  counter-reset: ol-counter;
}

.legal-section__body ol li {
  font-size: 14px;
  color: var(--c-text-muted);
  line-height: 1.7;
  padding-left: 28px;
  position: relative;
  counter-increment: ol-counter;
}

.legal-section__body ol li::before {
  content: counter(ol-counter) '.';
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--c-accent);
  font-size: 13px;
}

.legal-section__body a {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-section__body a:hover {
  color: var(--c-accent-dk);
}

.legal-contact-box {
  background-color: var(--c-bg);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-top: 16px;
}

.legal-contact-box p {
  font-size: 14px;
  color: var(--c-text-muted);
  line-height: 1.7;
  margin: 0;
}

.legal-contact-box strong {
  color: var(--c-text);
}

.site-footer {
  background-color: var(--c-primary-dk);
  color: rgba(255,255,255,0.65);
  padding-block: 56px 40px;
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-col {
  display: flex;
  flex-direction: column;
}
.footer-col--brand {
  gap: 0;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.footer-brand__name {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
.footer-brand__name em {
  font-style: normal;
  color: var(--c-accent);
}
.footer-tagline {
  font-size: 14px;
  line-height: 1.7;
  max-width: 340px;
  color: rgba(255,255,255,0.55);
}
.footer-address {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.8;
  font-style: normal;
  margin-top: 12px;
}
.footer-address a {
  color: rgba(255,255,255,0.55);
}
.footer-address a:hover {
  color: #fff;
}
.footer-nav__title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 16px;
}
.footer-nav__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav__list a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
}
.footer-nav__list a:hover {
  color: #fff;
}
.site-footer__bottom {
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
.footer-legal {
  display: flex;
  gap: 20px;
}
.footer-legal a {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
.footer-legal a:hover {
  color: rgba(255,255,255,0.8);
}

@media (max-width: 768px) {
  .page-section { padding-block: 52px; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-grid--reverse { direction: ltr; }
  .about-image { height: 240px; }
  .values-grid { grid-template-columns: 1fr; }
  .about-stat-row { gap: 20px; }
  .mission-list-block { padding: 20px; }
  .legal-article { max-width: 100%; }
  .legal-toc { padding: 20px; }
  .site-footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-col--brand { grid-column: 1 / -1; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
}