/* Base layout */
:root {
  --bg: #0b1021;
  --panel: rgba(255, 255, 255, 0.06);
  --muted: #c5d0e6;
  --text: #e8edf8;
  --accent: #f6ad55;
  --accent-strong: #f97316;
  --line: rgba(255, 255, 255, 0.12);
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", "Helvetica Neue", sans-serif;
  --font-display: "Sawarabi Mincho", "Noto Serif JP", "Yu Mincho", serif;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  background: radial-gradient(circle at 20% 20%, rgba(86, 134, 255, 0.15), transparent 24%),
    radial-gradient(circle at 80% 0%, rgba(249, 115, 22, 0.12), transparent 20%),
    radial-gradient(circle at 40% 90%, rgba(99, 102, 241, 0.16), transparent 22%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.highlight-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 12px;
  background: linear-gradient(120deg, rgba(246, 173, 85, 0.22), rgba(249, 115, 22, 0.28));
  color: #0b0f1c;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 22px rgba(249, 173, 85, 0.25);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.highlight-link:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 14px 26px rgba(249, 173, 85, 0.32);
  filter: brightness(1.05);
}

.page {
  max-width: 1100px;
  padding: 40px 24px 72px;
  margin: 0 auto;
}

/* Navigation */
.nav {
  position: sticky;
  top: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(10, 16, 33, 0.8);
  backdrop-filter: blur(10px);
}

.nav .brand {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  font-size: 20px;
}

.nav .links {
  display: flex;
  gap: 18px;
  margin-left: auto;
  font-size: 14px;
  color: var(--muted);
}

.nav .links a {
  padding: 6px 10px;
  border-radius: 12px;
  transition: background 0.2s, color 0.2s;
}

.nav .links a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.lang-toggle .lang {
  padding: 8px 12px;
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}

.lang-toggle .lang.current {
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  color: #0b0f1c;
  border: none;
  box-shadow: 0 10px 24px rgba(249, 173, 85, 0.4);
}

.lang-toggle .lang:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transform: translateY(-1px);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px 28px 28px;
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.95), rgba(23, 32, 55, 0.92));
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.8;
  animation: float 9s ease-in-out infinite alternate;
}

.hero::before {
  width: 220px;
  height: 220px;
  background: rgba(249, 115, 22, 0.28);
  top: -60px;
  right: -40px;
}

.hero::after {
  width: 260px;
  height: 260px;
  background: rgba(88, 204, 237, 0.16);
  bottom: -90px;
  left: -80px;
  animation-duration: 11s;
}

.hero-content {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.eyebrow {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.hero h1 {
  margin: 0 0 6px;
  font-size: 38px;
  letter-spacing: -0.02em;
}

.name-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-top {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.hero-text {
  flex: 1;
  min-width: 240px;
}

.avatar {
  width: 76px;
  height: 76px;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  background: #0f172a;
}

.avatar-link {
  display: inline-block;
  line-height: 0;
}

.hero .role {
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 10px;
}

.hero p.lead {
  margin: 0 0 14px;
  color: var(--muted);
}

.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 10px;
  font-weight: 600;
  border: 1px solid var(--line);
  transition: transform 0.15s, background 0.15s, color 0.15s;
}

.btn.primary {
  background: linear-gradient(120deg, rgba(246, 173, 85, 0.9), rgba(249, 115, 22, 0.85));
  color: #0b0f1c;
  border-color: rgba(249, 173, 85, 0.4);
}

.btn.ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.btn:hover {
  transform: translateY(-2px);
}

.hero-badges {
  display: grid;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--muted);
}

.pill strong {
  color: #fff;
}

/* Sections */
section {
  margin-top: 40px;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  background: rgba(13, 18, 35, 0.9);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 20px;
  letter-spacing: 0.01em;
}

.section-title::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.muted {
  color: var(--muted);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  background: var(--panel);
}

.tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 13px;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--line);
}

.list {
  display: grid;
  gap: 10px;
}

.list-item {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.subhead {
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.pub-link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent-strong);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  transition: color 0.18s ease, text-decoration-color 0.18s ease;
}

.pub-link:hover {
  color: #fff;
  text-decoration-color: #fff;
}

.small {
  font-size: 13px;
  color: var(--muted);
}

.pub-card {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.pub-meta {
  display: flex;
  gap: 10px;
  align-items: baseline;
  color: var(--muted);
  font-size: 13px;
}

.callout {
  text-align: center;
  padding: 20px;
  border-radius: 16px;
  border: 1px dashed var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.footer {
  margin-top: 32px;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
}

@keyframes float {
  from {
    transform: translateY(0px);
  }
  to {
    transform: translateY(-10px);
  }
}

@media (max-width: 780px) {
  .page {
    padding: 24px 16px 56px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 10px;
    position: static;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .nav .links {
    flex-wrap: wrap;
    margin-left: 0;
  }

  .lang-toggle {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 30;
}

.modal:target {
  display: flex;
}

.modal img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--line);
}