:root {
  --family-ink: #2c241c;
  --family-mute: #6d6154;
  --family-paper: #f4ead6;
  --family-card: #fffaf1;
  --family-line: rgba(44, 36, 28, 0.12);
  --family-accent: #8b3a32;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--family-ink);
  background:
    radial-gradient(ellipse at top, rgba(255, 255, 255, 0.55), transparent 48%),
    var(--family-paper);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic",
    "Noto Sans JP", "Meiryo", sans-serif;
  line-height: 1.75;
}

html[lang="en"] body {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

.family-page {
  width: min(40rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 4rem;
}

.family-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.family-mark {
  margin: 0;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--family-mute);
}

.family-langs {
  display: inline-flex;
  border: 1px solid var(--family-line);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 250, 241, 0.7);
}

.family-lang {
  min-width: 4.4rem;
  padding: 0.35rem 0.7rem;
  border: 0;
  background: transparent;
  color: var(--family-mute);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}

.family-lang.is-active {
  background: var(--family-ink);
  color: #fffaf1;
}

.family-letter {
  padding: 2.2rem 1.8rem 2rem;
  background: var(--family-card);
  border-radius: 4px;
  box-shadow: 0 18px 40px rgba(44, 36, 28, 0.08);
}

.family-portrait {
  margin: 0 0 1.2rem;
  text-align: center;
}

.family-portrait img {
  width: 132px;
  height: 132px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid #efe2c8;
}

.family-kanji {
  margin: 0 0 0.15rem;
  text-align: center;
  color: var(--family-accent);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  line-height: 1.3;
}

.family-kana {
  margin: 0 0 0.2rem;
  text-align: center;
  letter-spacing: 0.38em;
  color: var(--family-mute);
  font-size: 0.86rem;
}

.family-names {
  margin: 0 0 1rem;
  text-align: center;
  color: var(--family-mute);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.family-letter h1 {
  margin: 0 0 1.1rem;
  text-align: center;
  font-size: 1.7rem;
  font-weight: 600;
  line-height: 1.4;
}

.family-letter p {
  margin: 0 0 1rem;
  font-size: 1.05rem;
}

.family-contact {
  margin-top: 1.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--family-line);
}

.family-contact-label {
  margin: 0 0 0.45rem;
  color: var(--family-mute);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.family-mail,
.family-room {
  display: block;
  width: fit-content;
  color: var(--family-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.family-mail {
  font-size: 1.02rem;
  margin-bottom: 0.55rem;
}

.family-room {
  font-size: 0.95rem;
}

@media screen and (max-width: 640px) {
  .family-letter {
    padding: 1.6rem 1.15rem 1.5rem;
  }

  .family-letter h1 {
    font-size: 1.4rem;
  }
}