:root {
  --bg: #FDFBF6;
  --card: #FFFFFF;
  --line: #EDE8DE;
  --edge: #E7E1D4;
  --text: #332F3B;
  --sub: #8D8896;
  --accent: #9C7F3E;
  --aurora-a: #C4A35A;
  --aurora-b: #7A8B9A;
  --aurora-c: #C9B8A6;
  --qubio-a: #2563EB;
  --qubio-b: #7C3AED;
  --edokoro-a: #9C7F3E;
  --edokoro-b: #3A322A;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans",
               "Noto Sans JP", sans-serif;
  font-weight: 500;
  line-height: 1.95;
  font-size: 15px;
  letter-spacing: .03em;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 780px; margin: 0 auto; padding: 0 24px; }

header {
  padding: 40px 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.mark {
  width: 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(135deg, var(--aurora-a), var(--edokoro-b));
  display: grid; place-items: center;
  color: #fff; font-weight: 900; font-size: 18px; letter-spacing: 0;
}
.name { font-size: 17px; font-weight: 700; letter-spacing: .07em; }
nav { display: flex; gap: 18px; font-size: 13px; }
nav a { color: var(--sub); text-decoration: none; }
nav a:hover { color: var(--text); }

.hero { padding: 132px 0 148px; position: relative; }
.hero::before {
  content: "";
  position: absolute;
  top: -8%; right: -18%;
  width: min(560px, 92vw); aspect-ratio: 1.4 / 1;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--aurora-a), var(--aurora-b), var(--aurora-c));
  filter: blur(90px);
  opacity: .28;
  z-index: -1;
  pointer-events: none;
}
.tagline {
  font-size: clamp(34px, 8vw, 68px);
  line-height: 1.4;
  font-weight: 900;
  letter-spacing: .005em;
  margin: 0 0 44px;
  text-wrap: balance;
}
.lead { color: var(--sub); max-width: 30em; margin: 0; }
.lead + .lead { margin-top: 1.3em; }

section { padding: 72px 0; border-top: 1px solid var(--line); }
h2 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--sub);
  margin: 0 0 28px;
}

.cards { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .cards { grid-template-columns: 1fr 1fr; } }
.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 2px 0 var(--edge);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .14s ease, box-shadow .14s ease;
}
a.card:hover { transform: translateY(-2px); box-shadow: 0 4px 0 var(--edge); }
a.card:active { transform: translateY(1px); box-shadow: 0 1px 0 var(--edge); }
.thumb {
  height: 108px;
  display: flex; align-items: center; justify-content: center;
  font-size: 25px; font-weight: 900; letter-spacing: .14em; color: #fff;
  text-shadow: 0 1px 10px rgba(51, 47, 59, .22);
}
.thumb.qubio { background: linear-gradient(115deg, var(--qubio-a), var(--qubio-b)); }
.thumb.edokoro { background: linear-gradient(115deg, var(--edokoro-a), var(--edokoro-b)); }
.card-body { padding: 22px 24px 24px; }
.kind { font-size: 11px; letter-spacing: .18em; color: var(--sub); margin: 0 0 10px; }
.card-body p { margin: 0 0 16px; font-size: 14px; }
.to { font-size: 13px; font-weight: 700; color: var(--accent); }

.voice p { margin: 0 0 1.5em; max-width: 30em; font-size: 15.5px; }
.voice p:last-of-type { margin-bottom: 0; }

dl { margin: 0; display: grid; grid-template-columns: 1fr; }
@media (min-width: 620px) { dl { grid-template-columns: 150px 1fr; } }
dt {
  color: var(--sub); font-size: 13px;
  padding: 15px 0 0; border-top: 1px solid var(--line);
}
dd { margin: 0; padding: 15px 0 20px; font-size: 14px; }
@media (min-width: 620px) {
  dt { padding: 17px 0; }
  dd { padding: 17px 0; border-top: 1px solid var(--line); }
}
dd ul { margin: 0; padding-left: 1.2em; }
.en { color: var(--sub); font-size: 12px; display: block; margin-top: 1px; }

.prose { max-width: 36em; }
.prose h1 {
  font-size: clamp(28px, 6vw, 42px);
  font-weight: 900;
  letter-spacing: .02em;
  line-height: 1.4;
  margin: 0 0 12px;
}
.prose .meta { color: var(--sub); font-size: 13px; margin: 0 0 40px; }
.prose h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 2.2em 0 .6em;
}
.prose p, .prose li { color: var(--text); }
.prose ul { padding-left: 1.2em; }
.prose a { color: var(--accent); }

footer {
  padding: 44px 0 72px; border-top: 1px solid var(--line);
  color: var(--sub); font-size: 12px;
  display: flex; flex-wrap: wrap; gap: 8px 18px;
}
footer p { margin: 0; }
footer a { color: var(--sub); text-decoration: none; }
footer a:hover { color: var(--text); }
a { color: var(--text); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media (max-width: 620px) {
  header { flex-wrap: wrap; }
  .hero { padding: 88px 0 100px; }
}