:root {
  --color-primary: #1F5A3D;
  --color-primary-light: #2E7D57;
  --color-primary-dark: #143D2A;
  --color-accent: #C97A1B;
  --color-accent-light: #D9943A;
  --color-accent-dark: #A65F08;
  --color-background: #F6F5F0;
  --color-surface: #FFFFFF;
  --color-text-primary: #222222;
  --color-text-secondary: #666666;
  --color-text-inverse: #FFFFFF;
  --color-border: #D8D5CC;

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --content-width: 960px;
  --space-section: clamp(56px, 8vw, 96px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  line-height: 1.75;
}

a {
  color: var(--color-primary);
  text-decoration-color: color-mix(in srgb, var(--color-primary), transparent 55%);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-accent-dark);
  text-decoration-color: currentColor;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-100%);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.site-header.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.site-header__inner {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  padding: 0 20px;
}

.site-header__brand {
  color: inherit;
  font-family: Menlo, Monaco, Consolas, monospace;
  font-size: 1.2rem;
  font-weight: 800;
  text-decoration: none;
}

.site-header__brand:hover {
  color: inherit;
}

.section {
  padding: var(--space-section) 20px;
}

.section__inner {
  width: min(100%, var(--content-width));
  margin: 0 auto;
}

.section__label {
  margin: 0 0 8px;
  color: var(--color-accent-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section__title {
  margin: 0 0 28px;
  color: var(--color-primary-dark);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.25;
}

.intro {
  min-height: 78svh;
  display: grid;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(31, 90, 61, 0.12), transparent 36%),
    var(--color-background);
}

.intro__inner {
  max-width: 760px;
}

.intro__title-row {
  display: flex;
  align-items: center;
  gap: clamp(16px, 4vw, 28px);
}

.intro__avatar {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: clamp(72px, 12vw, 112px);
  aspect-ratio: 1;
  border: 2px solid color-mix(in srgb, var(--color-primary), white 20%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.52), transparent 28%),
    linear-gradient(145deg, var(--color-primary-light), var(--color-primary-dark));
  box-shadow: 0 24px 48px rgba(20, 61, 42, 0.18);
  color: var(--color-surface);
}

.intro__avatar-text {
  font-size: clamp(1.55rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1;
}

.intro__label {
  margin: 0 0 12px;
  color: var(--color-accent-dark);
  font-weight: 700;
}

.intro__title {
  margin: 0;
  color: var(--color-primary);
  font-size: clamp(3.25rem, 12vw, 6.5rem);
  line-height: 0.95;
}

.intro__catch {
  margin: 24px 0 0;
  font-size: clamp(1.25rem, 3vw, 1.8rem);
  font-weight: 700;
  line-height: 1.45;
}

.intro__description {
  max-width: 680px;
  margin: 20px 0 0;
  color: var(--color-text-secondary);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 32px;
}

.card__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
}

.social-links__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  max-width: 100%;
  color: var(--color-primary-dark);
  font-weight: 700;
  text-decoration: none;
}

.social-links__logo {
  display: inline-grid;
  place-items: center;
  width: 24px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--color-primary-dark);
  color: var(--color-surface);
  font-size: 0.62rem;
  font-weight: 800;
  line-height: 1;
}

.social-links__text {
  line-height: 1;
  overflow-wrap: anywhere;
}

.social-links__item:hover {
  color: var(--color-accent-dark);
}

.social-links__item:hover .social-links__logo {
  background: var(--color-accent-dark);
}

.card__link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.profile-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.profile-list__item {
  display: grid;
  grid-template-columns: minmax(90px, 150px) 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.profile-list__term {
  color: var(--color-primary-dark);
  font-weight: 700;
}

.profile-list__description {
  margin: 0;
  color: var(--color-text-secondary);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.tag-list__item {
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-weight: 700;
}

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

.card {
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
}

.card__title {
  margin: 0 0 12px;
  color: var(--color-primary-dark);
  font-size: 1.2rem;
  line-height: 1.45;
}

.card__text {
  margin: 0;
  color: var(--color-text-secondary);
}

.card__link {
  margin-top: 20px;
}

.card__link[data-store-link] {
  min-height: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.store-badge-placeholder {
  display: inline-grid;
  min-width: 156px;
  min-height: 44px;
  place-items: center;
  padding: 8px 14px;
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  line-height: 1.1;
}

.store-badge-placeholder__label {
  font-size: 0.85rem;
  font-weight: 700;
}

.career-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.career-block__title {
  margin: 0 0 16px;
  color: var(--color-primary-dark);
  font-size: 1.2rem;
}

.timeline {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline__item {
  padding-left: 16px;
  border-left: 3px solid var(--color-accent);
  color: var(--color-text-secondary);
}

.update-list {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.update-list__item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.update-list__date {
  color: var(--color-primary-dark);
  font-weight: 700;
  white-space: nowrap;
}

.update-list__text {
  margin: 0;
  color: var(--color-text-secondary);
}

@media (max-width: 720px) {
  .section {
    padding-inline: 20px;
  }

  .profile-list__item,
  .update-list__item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .card-grid,
  .career-grid {
    grid-template-columns: 1fr;
  }

  .intro__avatar {
    width: 68px;
  }
}

@media (max-width: 360px) {
  .section {
    padding-inline: 18px;
  }
}