:root {
  --bg: #fff9f1;
  --ink: #2b1e16;
  --sub: #755f52;
  --card: #fffdf8;
  --line: #ecd8c8;
  --accent: #d85a1a;
  --accent-soft: #ffe2ce;
  --shadow: 0 12px 28px rgba(116, 71, 44, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--bg);
  position: relative;
}

.texture {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(214, 133, 80, 0.12) 1px, transparent 1px);
  background-size: 12px 12px;
  pointer-events: none;
  z-index: -1;
}

.header {
  width: min(1080px, 92vw);
  margin: 16px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  width: 150px;
}

.menu {
  display: flex;
  gap: 18px;
}

.menu a {
  text-decoration: none;
  color: #5c463b;
  font-weight: 700;
}

.menu a.active,
.menu a:hover {
  color: var(--accent);
}

main {
  width: min(1080px, 92vw);
  margin: 20px auto;
}

.intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 30px;
  align-items: center;
  background: linear-gradient(140deg, #fff6ec, #fffefe);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
}

.label {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
  color: #9f7259;
  margin: 0;
}

h1 {
  margin: 8px 0 14px;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.05;
}

.summary {
  margin: 0;
  color: var(--sub);
  font-size: 19px;
  line-height: 1.6;
}

.intro img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid #f0d9c6;
}

.feature-board {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
}

.feature-card img {
  width: 54px;
  height: 54px;
}

.feature-card h2 {
  margin: 12px 0 8px;
}

.feature-card p {
  margin: 0;
  color: var(--sub);
  line-height: 1.6;
}

.accordion-wrap {
  margin: 28px 0 40px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

.accordion-wrap h3 {
  margin-top: 0;
}

.accordion-item {
  border-top: 1px dashed #e8d2c2;
  padding: 10px 0;
}

.accordion-item:first-of-type {
  border-top: none;
}

.accordion-item button {
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 19px;
  font-weight: 700;
  color: #412d22;
  cursor: pointer;
  padding: 6px 0;
}

.accordion-item p {
  margin: 6px 0 2px;
  color: var(--sub);
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.accordion-item.open p {
  max-height: 120px;
}

footer {
  text-align: center;
  color: #9b7b68;
  padding: 8px 0 24px;
}

@media (max-width: 880px) {
  .intro,
  .feature-board {
    grid-template-columns: 1fr;
  }
}