:root {
  --canvas: #FFF9F0;
  --paper: #FFFFFF;
  --ink: #3B2F2C;
  --ink-secondary: #655650;
  --ink-faint: #7B6B63;
  --line: #F0E4D8;
  --line-soft: #F7EFE6;
  --rose: #D2325F;
  --navy: #5A3F52;
  --ui: "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--ui);
  font-size: 16px;
  line-height: 1.9;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 72px;
}

.lang-switch {
  display: block;
  text-align: right;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.lang-switch span {
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.lang-switch:hover span { border-bottom-color: var(--navy); }

header.masthead {
  text-align: center;
  padding: 18px 0 32px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--rose);
  font-weight: 700;
  margin: 0 0 14px;
}

h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 28px;
  line-height: 1.5;
  margin: 0 0 10px;
  letter-spacing: 0.04em;
}

.subtitle {
  margin: 0;
  color: var(--ink-faint);
  font-size: 14px;
}

.lede {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px 24px 22px;
  margin: 0 0 40px;
  font-size: 15px;
  color: var(--ink-secondary);
}

.lede p { margin: 0 0 14px; }
.lede p:last-child { margin-bottom: 0; }

.summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--line-soft);
  border-radius: 16px;
  padding: 18px 20px;
  margin: 22px 0 0;
}

.summary .mark {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: var(--rose);
  color: #fff;
  font-size: 15px;
  line-height: 26px;
  text-align: center;
  font-weight: 700;
}

.summary p {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.75;
}

section { margin: 0 0 36px; }

h2 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.6;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.03em;
}

h2 .num {
  color: var(--rose);
  margin-right: 10px;
  font-size: 15px;
}

p { margin: 0 0 14px; }
p:last-child { margin-bottom: 0; }

strong {
  font-weight: 700;
  background: linear-gradient(transparent 62%, #F8D3DE 62%);
}

ul {
  margin: 0 0 14px;
  padding-left: 0;
  list-style: none;
}

li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
}

li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.82em;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--line);
  border: 1px solid #E2D2C2;
}

li:last-child { margin-bottom: 0; }

.contact {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px 24px;
}

.contact .org {
  font-weight: 700;
  margin: 0 0 4px;
}

.contact a {
  color: var(--rose);
  text-decoration: none;
  border-bottom: 1px solid rgba(210, 50, 95, 0.3);
}

.contact a:hover { border-bottom-color: var(--rose); }

section a,
footer a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

section a:hover,
footer a:hover { border-bottom-color: var(--navy); }

footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 13px;
}

footer dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
}

footer dt { font-weight: 500; }
footer dd { margin: 0; }

@media (max-width: 480px) {
  .wrap { padding: 28px 18px 56px; }
  h1 { font-size: 23px; }
  body { font-size: 15px; }
}