/* soul-portal — 门户自身设计:暖中性底,让十二个产品的色彩自己说话 */
:root {
  --bg: #FAF9F7;
  --ink: #33302C;
  --ink-2: #8A857D;
  --line: #E9E5DF;
  --radius: 16px;
  --shadow: 0 4px 20px rgba(51, 48, 44, 0.06);
}
* { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: ui-sans-serif, system-ui, "PingFang SC", "Hiragino Sans", "Apple SD Gothic Neo", sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.7;
}
[lang="ja"] body, body:lang(ja) { font-family: "Hiragino Sans", "Noto Sans JP", sans-serif; }

header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px clamp(16px, 5vw, 48px);
}
.brand { font-size: 1.05rem; letter-spacing: 0.06em; }
.mark { color: #B76E79; margin-right: 6px; }
.langs button {
  background: none; border: 1px solid var(--line); border-radius: 999px;
  padding: 5px 12px; margin-left: 8px; font-size: 0.82rem; color: var(--ink-2);
  cursor: pointer; min-height: 32px;
}
.langs button.on { background: var(--ink); color: #fff; border-color: var(--ink); }

main { max-width: 1080px; margin: 0 auto; padding: 0 clamp(16px, 5vw, 40px); }
.hero { text-align: center; padding: clamp(40px, 9vw, 90px) 0 clamp(30px, 6vw, 60px); }
.hero h1 {
  font-size: clamp(1.7rem, 5vw, 3rem); font-weight: 700; letter-spacing: 0.02em;
  font-family: Georgia, "Songti SC", "Noto Serif SC", "Noto Serif JP", serif;
}
.hero .sub { color: var(--ink-2); max-width: 560px; margin: 18px auto 10px; font-size: 1.02rem; }
.hero .sso { font-size: 0.88rem; color: #B76E79; }

.matrix h2, .philosophy h2 {
  font-size: 1.05rem; color: var(--ink-2); letter-spacing: 0.2em;
  border-top: 1px solid var(--line); padding-top: 28px; margin-bottom: 26px;
}
.grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.card {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--pbg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 18px 16px; text-decoration: none; color: var(--ink);
  box-shadow: var(--shadow); transition: transform 180ms cubic-bezier(.4,0,.2,1), box-shadow 180ms;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(51,48,44,.10); }
.card .bar { width: 34px; height: 4px; border-radius: 2px; background: var(--pac); margin-bottom: 4px; }
.card h3 { font-size: 1.08rem; color: var(--pac); font-weight: 650; }
.card .csub { font-size: 0.86rem; color: var(--ink); opacity: 0.78; flex: 1; }
.card .go { font-size: 0.82rem; color: var(--ink-2); align-self: flex-end; }

.philosophy { margin: clamp(40px, 8vw, 72px) 0 clamp(30px, 6vw, 56px); }
.beliefs { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.belief {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; font-size: 0.94rem;
}
.origin {
  margin-top: 28px; text-align: center; color: var(--ink-2); font-size: 0.92rem;
  font-family: Georgia, "Songti SC", "Noto Serif SC", serif; font-style: italic;
}
footer {
  text-align: center; color: var(--ink-2); font-size: 0.8rem;
  padding: 28px 16px 36px; border-top: 1px solid var(--line); margin-top: 20px;
}
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .card { padding: 16px 14px; }
  .card .csub { font-size: 0.78rem; }
}