/* ===== 色と書体 ===== */
:root {
  --washi: #F0E8D5;   /* 地 */
  --ai: #1B3A6B;      /* 濃い面・見出し */
  --shu: #C8401A;     /* 落款と下線のみ */
  --sumi: #2A2520;    /* 本文 */
  --usuzumi: #6B6253; /* 補足 */
  --rule: rgba(27, 58, 107, 0.18);
  --gutter: clamp(1.75rem, 7vw, 8rem);
  --mincho: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --gothic: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--washi);
  color: var(--sumi);
  font-family: var(--gothic);
  font-size: 16px;
  line-height: 2;
  letter-spacing: 0.04em;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3 { font-family: var(--mincho); font-weight: 400; line-height: 1.5; margin: 0; color: var(--ai); }
p { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
a { color: inherit; }

:focus-visible { outline: 2px solid var(--ai); outline-offset: 4px; }
.hero :focus-visible, .works :focus-visible { outline-color: var(--washi); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

/* リンク：塗りボタンにせず、朱の細い下線 */
.link {
  text-decoration: underline;
  text-decoration-color: var(--shu);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.5em;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.link:hover { text-decoration-thickness: 2px; }

/* 落款：朱の小さな正方形。屋号と © の脇だけ */
.rakkan {
  display: inline-block;
  width: 0.6em; height: 0.6em;
  background: var(--shu);
  flex: none;
}

/* ===== ヒーロー：和紙の地に作品を額装して置く ===== */
.hero {
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: clamp(2rem, 6vh, 4rem);
  padding: clamp(1.75rem, 5vh, 3rem) var(--gutter) clamp(2.5rem, 7vh, 4.5rem);
  background: var(--washi);
}
.hero__name {
  display: flex; align-items: center; gap: 0.7em;
  color: var(--ai);
  font-size: 0.9rem;
  letter-spacing: 0.3em;
}
.hero__stage {
  display: grid;
  gap: clamp(2rem, 6vw, 5rem);
  align-content: center;
  justify-items: start;
}
.hero__figure { margin: 0; justify-self: center; }
.hero__figure img {
  display: block;
  max-width: 100%;
  max-height: 66svh;
  width: auto; height: auto;
}
.hero__figure figcaption {
  margin-top: 1.25rem;
  color: var(--usuzumi);
  font-size: 0.72rem;
  line-height: 1.9;
  letter-spacing: 0.06em;
}
.hero__figure figcaption span { display: block; }

/* スマホ：作品を画面幅いっぱいに。高さはなりゆきに任せる */
@media (max-width: 767px) {
  .hero {
    min-height: auto;
    padding-left: 1rem;
    padding-right: 1rem;
    padding-bottom: clamp(1.5rem, 4vh, 2.5rem);
  }
  .hero__name { padding-left: 0.75rem; }
  .hero__figure img { max-height: none; width: 100%; }
  .hero__figure figcaption { padding: 0 0.75rem; }
  .hero__catch { padding: 0 0.75rem; }
}
.hero__catch {
  font-family: var(--mincho);
  font-size: clamp(1.3rem, 4.6vw, 1.9rem);
  letter-spacing: 0.3em;
  line-height: 1.8;
  color: var(--ai);
}
/* スマホは横書きのまま。span は行内に並ぶ */
.hero__catch span { display: inline; }

/* ===== 前書き ===== */
.lead {
  margin: 0 var(--gutter);
  padding: clamp(3.5rem, 11vw, 11rem) 0;
  font-family: var(--mincho);
  font-size: clamp(1.25rem, 3.2vw, 2.1rem);
  line-height: 2.3;
  letter-spacing: 0.14em;
  color: var(--ai);
}

/* ===== 届けているもの：藍の面 ===== */
.works {
  padding: clamp(5rem, 12vw, 9rem) var(--gutter);
  background: var(--ai);
  color: var(--washi);
}
.works h3 { color: var(--washi); }
.works li {
  display: grid;
  gap: 1.5rem 2rem;
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  border-top: 1px solid rgba(240, 232, 213, 0.22);
}
.works li:last-child { border-bottom: 1px solid rgba(240, 232, 213, 0.22); }
.works__name h3 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  letter-spacing: 0.08em;
}
.works__name p {
  margin-top: 0.7em;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: rgba(240, 232, 213, 0.78);
}

/* ===== 運営者情報 ===== */
.info {
  margin: 0 var(--gutter);
  padding: clamp(5rem, 12vw, 9rem) 0 clamp(3.5rem, 8vw, 6rem);
  font-size: 0.85rem;
}
.info__title {
  margin-bottom: 2rem;
  font-size: 0.95rem;
  letter-spacing: 0.25em;
}
.info dl { margin: 0 0 2.5rem; max-width: 42em; }
.info dt { color: var(--usuzumi); }
.info dd { margin: 0 0 1rem; }
.info__note {
  max-width: 42em;
  color: var(--usuzumi);
  font-size: 0.78rem;
  line-height: 1.9;
}

/* ===== フッター ===== */
.footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: 1rem;
  margin: 0 var(--gutter);
  padding: 2.25rem 0 3rem;
  border-top: 1px solid var(--rule);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}
.footer__sns { display: flex; gap: 2rem; }
.footer__sns a { text-decoration: none; }
.footer__sns a:hover { text-decoration: underline; text-decoration-color: var(--shu); text-underline-offset: 0.5em; }
.footer__copy { display: flex; align-items: center; gap: 0.7em; color: var(--usuzumi); }

/* ===== 768px 以上 ===== */
@media (min-width: 768px) {
  body { font-size: 17px; }

  .hero__stage {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    justify-items: stretch;
  }
  .hero__catch {
    justify-self: end;
    align-self: center;
    width: 1em;
    font-size: clamp(1.4rem, 2.1vw, 1.9rem);
    letter-spacing: 0;
    line-height: 1.45;
  }
  .hero__catch span { display: block; text-align: center; }
  /* 読点の代わりの空き。一字分は取らず、半分で間を置く */
  .hero__catch span.sp {
    height: 0.55em;
    line-height: 0.55;
  }

  .works li {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
  }
  .works li .link { justify-self: end; }

  .info dl { display: grid; grid-template-columns: 9em 1fr; }
  .info dd { margin-bottom: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}