* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #43362f;
  color: #f7f0ea;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
}

a {
  color: #f0a4b6;
}

.page {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 36px 20px 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  color: #f7f0ea;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.mark {
  width: 36px;
  height: 36px;
  border-radius: 14px;
  background: linear-gradient(135deg, #d98a9b, #7a536b);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 10px 24px rgba(28, 20, 17, 0.28);
}

.card {
  border: 1px solid rgba(255, 239, 221, 0.12);
  border-radius: 28px;
  padding: 26px;
  background: rgba(75, 63, 57, 0.9);
  box-shadow: 0 18px 40px rgba(28, 20, 17, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

h1 {
  margin: 0 0 8px;
  font-size: 30px;
  line-height: 1.25;
}

h2 {
  margin: 30px 0 10px;
  font-size: 19px;
}

p,
li {
  color: #dccfc6;
}

.lead {
  color: #f0dfd4;
  font-weight: 700;
}

.date {
  margin-top: 0;
  color: #bfaea3;
  font-size: 14px;
}

ul,
ol {
  padding-left: 1.35em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 239, 221, 0.1);
}

.nav a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 0 14px;
  border: 1px solid rgba(240, 164, 182, 0.28);
  border-radius: 999px;
  background: rgba(158, 90, 105, 0.18);
  text-decoration: none;
  font-weight: 700;
}

label {
  display: block;
  margin-top: 16px;
  color: #f4eee8;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  margin-top: 6px;
  border: 1px solid rgba(255, 239, 221, 0.14);
  border-radius: 16px;
  padding: 12px 14px;
  background: #3a302d;
  color: #f7f0ea;
  font: inherit;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

button {
  margin-top: 18px;
  border: 1px solid #ca929d;
  border-radius: 999px;
  padding: 12px 18px;
  background: linear-gradient(90deg, #d58a91, #b86676, #7a536b);
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.notice {
  margin-top: 18px;
  border-left: 4px solid #ffd18a;
  border-radius: 16px;
  padding: 12px 14px;
  background: rgba(255, 209, 138, 0.1);
}