:root {
  --bg: #fafaf8;
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --line: #e4e4e0;
  --sans: "DM Sans", "Noto Sans JP", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 5rem;
}

.site-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem clamp(1.25rem, 5vw, 3rem);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  z-index: 10;
  border-bottom: 1px solid var(--line);
}

.site-mark {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.lang-switcher {
  display: flex;
  gap: 0.15rem;
}

.lang-btn {
  font: 500 0.62rem/1 var(--sans);
  letter-spacing: 0.05em;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.lang-btn:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.lang-btn.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}

.site-main {
  width: min(36rem, 100%);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
}

.block {
  padding: clamp(2.5rem, 8vh, 4.5rem) 0;
  border-bottom: 1px solid var(--line);
}

.block:last-child {
  border-bottom: none;
}

.block-hero {
  padding-top: clamp(3rem, 12vh, 6rem);
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.hero-role {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.hero-name {
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.hero-loc {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.about-text {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--ink);
}

.block-facts dl {
  display: grid;
  gap: 2rem;
}

@media (min-width: 520px) {
  .block-facts dl {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

.fact dt {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.fact dd {
  font-size: 0.92rem;
  line-height: 1.55;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--line);
}

.fact dd:last-child {
  border-bottom: none;
}

.block-works h2 {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.works-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.works-list li {
  display: grid;
  gap: 0.2rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.works-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.work-cat {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.work-title {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
}

.work-desc {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.55;
}

.block-contact h2 {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.block-contact > p {
  font-size: 0.92rem;
  color: var(--muted);
}

.contact-email {
  display: inline-block;
  margin-top: 1.25rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.1rem;
}

.contact-email:hover {
  opacity: 0.65;
}

.block-contact .social-links {
  margin-top: 1.25rem;
}

.block-contact .social-links a {
  color: var(--muted);
  font-size: 0.88rem;
}

.block-contact .social-links a:hover {
  color: var(--ink);
}

.footer-copy {
  margin-top: 2.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

@media (prefers-reduced-motion: no-preference) {
  .block {
    animation: fadeUp 0.7s ease both;
  }

  .block-about { animation-delay: 0.05s; }
  .block-facts { animation-delay: 0.1s; }
  .block-works { animation-delay: 0.15s; }
  .block-contact { animation-delay: 0.2s; }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .block {
    animation: none;
  }
}