:root {
  color-scheme: light;
  font-family: 'Noto Sans JP', 'Noto Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --bg: #f4f6fb;
  --surface: #ffffff;
  --border: #dfe3eb;
  --muted-surface: #f0f3f9;
  --text-primary: #1f2933;
  --text-secondary: #52606d;
  --accent: #3f8efc;
  --container: min(960px, 90vw);
  --transition: 160ms ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(1.5rem, 4vw, 3rem) 0 4rem;
  gap: clamp(2.5rem, 5vw, 3.5rem);
}

.site-header {
  width: var(--container);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: clamp(1rem, 3vw, 1.5rem) clamp(1.25rem, 3vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  position: sticky;
  top: clamp(0.75rem, 3vw, 1.5rem);
  z-index: 10;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand__name {
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand__role {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.site-nav {
  display: flex;
  gap: clamp(0.85rem, 2vw, 1.6rem);
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding-bottom: 0.2rem;
  transition: color var(--transition);
}

.site-nav a::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.site-nav a:focus-visible,
.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text-primary);
}

.site-nav a:focus-visible::after,
.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.site-main {
  width: var(--container);
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
}

.panel {
  border-radius: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 14px 24px rgba(15, 23, 42, 0.08);
}

.panel__inner {
  padding: clamp(1.75rem, 4vw, 2.75rem);
  display: grid;
  gap: 1.2rem;
}

.panel__title {
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.panel__title::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--accent);
  border-radius: 999px;
}

.info-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.about__social {
  display: grid;
  gap: 0.6rem;
}

.about__media {
  display: grid;
  gap: 0.6rem;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.social-links__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text-secondary);
  background: var(--muted-surface);
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.social-links__item:hover,
.social-links__item:focus-visible {
  color: var(--text-primary);
  border-color: var(--accent);
  background: #e7efff;
}

.info-grid li {
  display: grid;
  gap: 0.2rem;
}

.info-grid__label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

.info-grid__value {
  font-weight: 500;
}

.media-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.media-links__item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 12px;
  border: 1px solid transparent;
  text-decoration: none;
  color: var(--text-secondary);
  background: var(--muted-surface);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.media-links__item:hover,
.media-links__item:focus-visible {
  color: var(--text-primary);
  border-color: var(--accent);
  background: #e7efff;
}

.works {
  display: grid;
  gap: clamp(1rem, 3vw, 1.5rem);
}

.card {
  padding: 1.4rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--muted-surface);
  display: grid;
  gap: 0.75rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover,
.card:focus-within {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 12px 24px rgba(63, 142, 252, 0.18);
}

.card__title {
  font-size: 1.1rem;
  font-weight: 600;
}

.card__desc {
  color: var(--text-secondary);
  line-height: 1.6;
}

.card__meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.skill-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.skill-list li {
  display: grid;
  gap: 0.45rem;
}

.skill-list span:first-child {
  font-weight: 500;
}

.skill-list__bar {
  height: 6px;
  border-radius: 999px;
  background: var(--muted-surface);
  overflow: hidden;
}

.skill-list__bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #6bb3ff);
  border-radius: inherit;
}

.site-footer {
  width: var(--container);
  text-align: center;
  color: var(--text-secondary);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}