:root {
  --paper: #fbf0d8;
  --ink: #4c2c1a;
  --ink-soft: #6d4625;
  --accent: #c97a1b;
  --accent-dark: #8f4b0d;
  --line: rgba(181, 112, 29, 0.34);
  --card: rgba(255, 248, 232, 0.78);
  --shadow: rgba(98, 56, 18, 0.10);
  --max-width: 1040px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  background:
    radial-gradient(circle at 16% 12%, rgba(255,255,255,0.52), transparent 26rem),
    radial-gradient(circle at 82% 24%, rgba(255,233,180,0.20), transparent 30rem),
    radial-gradient(circle at 40% 86%, rgba(194,122,27,0.08), transparent 34rem),
    linear-gradient(90deg, rgba(125, 74, 24, 0.024) 1px, transparent 1px),
    linear-gradient(0deg, rgba(125, 74, 24, 0.020) 1px, transparent 1px),
    var(--paper);
  background-size: auto, auto, auto, 22px 22px, 22px 22px, auto;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    radial-gradient(rgba(116, 64, 25, 0.18) 0.45px, transparent 0.6px),
    radial-gradient(rgba(255, 255, 255, 0.45) 0.55px, transparent 0.8px);
  background-size: 11px 11px, 17px 17px;
  mix-blend-mode: multiply;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 240, 216, 0.93);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 10px var(--shadow);
}
.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.2rem, 7vw, 6rem);
  padding: 0 1rem;
}
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: clamp(1.02rem, 1.5vw, 1.24rem);
  padding: 0.55rem 0.1rem 0.45rem;
  border-bottom: 3px solid transparent;
}
.nav a:hover,
.nav a:focus-visible,
.nav a[aria-current="page"] {
  color: var(--accent-dark);
  border-bottom-color: var(--accent);
  outline: none;
}
.hero {
  max-width: var(--max-width);
  min-height: calc(100vh - 74px);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) 1.3rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1.35rem;
}
.logo {
  width: min(430px, 78vw);
  height: auto;
  display: block;
  filter: drop-shadow(0 10px 18px rgba(119, 61, 10, 0.14));
}
.tagline {
  margin: 0.6rem 0 0;
  max-width: 980px;
  font-size: clamp(1.85rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: -0.02em;
}
.notice {
  margin: 0;
  max-width: 830px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.26rem);
  line-height: 1.55;
}
.cards {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 1.8rem);
  margin-top: 0.55rem;
}
.card {
  min-height: 150px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.62rem;
  padding: 1.4rem 1rem;
  color: var(--ink);
  text-decoration: none;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 8px 22px rgba(123, 67, 15, 0.05);
}
.card:hover,
.card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(201,122,27,0.68);
  box-shadow: 0 12px 28px rgba(123, 67, 15, 0.09);
  outline: none;
}
.card svg {
  width: 48px;
  height: 48px;
  color: var(--accent);
}
.card span {
  font-size: clamp(1.08rem, 1.8vw, 1.24rem);
}
.card .ornament {
  width: 92px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  position: relative;
}
.card .ornament::after {
  content: "◇";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -51%);
  color: var(--accent);
  background: var(--paper);
  font-size: 0.8rem;
  line-height: 1;
  padding: 0 0.18rem;
}
.page {
  max-width: 840px;
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 5rem) 1.35rem;
  min-height: calc(100vh - 74px - 120px);
}
.page-card {
  background: rgba(255, 248, 230, 0.78);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  box-shadow: 0 12px 34px rgba(123, 67, 15, 0.07);
}
.page h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.02em;
}
.page p {
  color: var(--ink-soft);
  font-size: 1.13rem;
  line-height: 1.7;
}
.back-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent-dark);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.site-footer {
  position: relative;
  text-align: center;
  padding: 2rem 1rem 2.25rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 241, 206, 0.62);
  color: var(--ink-soft);
  line-height: 1.55;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.58);
}
.site-footer::before {
  content: "❧";
  position: absolute;
  top: -0.85rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--accent);
  background: var(--paper);
  padding: 0 0.55rem;
  font-size: 1.45rem;
}
.site-footer p { margin: 0.15rem 0; }
@media (max-width: 760px) {
  .nav { min-height: 64px; gap: 1rem; justify-content: space-around; }
  .nav a { font-size: 1rem; }
  .hero { min-height: auto; padding-top: 2.2rem; }
  .logo { width: min(340px, 88vw); }
  .cards { grid-template-columns: 1fr; max-width: 440px; }
  .card { min-height: 124px; }
}