:root {
  --bg: #f9e8d4;
  --accent: #ff9fb5;
  --accent-sub: #ffd9e3;
  --text-main: #5b4636;
  --text-sub: #8c7564;
  --border-soft: #f0e0d2;
}

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

html {
  height: 100%;
  overflow-y: scroll;
  font-size: 100%;
}

body.home {
  min-height: 100%;
  margin: 0;
  font-family:
    "Hiragino Sans",
    "Hiragino Kaku Gothic ProN",
    Meiryo,
    sans-serif;
  background: var(--bg);
  color: var(--text-main);
  font-size: 0.95rem;
  line-height: 1.8;
  letter-spacing: 0.02em;
}

/* ------------------------------
  index専用ヘッダー
------------------------------ */

.home-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: none;
}

.home-header__inner {
  width: 100%;
  max-width: 1040px;
  min-height: 0;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.home-brand {
  margin: 0;
  padding: 0;
  flex: 0 0 auto;
}

.home-brand a {
  display: inline;
  margin: 0;
  padding: 0;
  font-family:
    "Yu Mincho",
    "MS Mincho",
    "MS 明朝",
    "Hiragino Mincho ProN",
    serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--text-main);
  text-decoration: none;
}

.home-nav {
  margin: 0;
  padding: 0;
  flex: 0 0 auto;
}

.home-nav__list {
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.home-nav__item {
  margin: 0;
  padding: 0;
}

.home-nav__link {
  display: inline;
  padding: 0 0 4px;
  color: var(--text-sub);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  line-height: 1.8;
}

.home-nav__item--current .home-nav__link {
  color: var(--accent);
  border-color: var(--accent);
}

.home-nav__link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent-sub);
}

/* ------------------------------
  index専用メイン
------------------------------ */

.home-main {
  width: 100%;
  margin: 0;
  padding: 0;
}

.home-main__inner {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
  min-height: calc(100vh - 76px - 71px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-visual {
  width: 100%;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-visual__link {
  display: block;
  width: 100%;
  text-align: center;
}

.home-visual__img {
  display: inline-block;
  width: auto;
  max-width: 100%;
  max-height: calc(100vh - 76px - 71px);
  height: auto;
  margin: 0 auto;
  vertical-align: top;
}

/* ------------------------------
  index専用フッター
------------------------------ */

.home-footer {
  width: 100%;
  margin: 0;
  padding: 20px 0;
  background: var(--bg);
  border-top: none;
}

.home-footer__inner {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
}

.home-footer__copy {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.8;
  letter-spacing: 0.05em;
  color: var(--text-main);
}

/* ------------------------------
  スマートフォン
------------------------------ */

@media (max-width: 576px) {
  .home-header__inner {
    padding: 14px;
  }

  .home-nav__list {
    gap: 10px;
  }

  .home-main__inner {
    padding: 0 14px;
  }

  .home-footer__inner {
    padding: 0 14px;
  }
}