@charset "UTF-8";

/* =========================================================
   サウナと湯 湯霧（ゆぎり）
   霧色のベタ地に、墨藍の帯を一本立てる。
   ========================================================= */

:root {
  --mist: #e9e3d9;   /* 霧 */
  --ink: #16211f;    /* 墨藍 */
  --paper: #f4f1ea;  /* 紙 */
  --text: #f1ece3;
  --dim: rgba(241, 236, 227, 0.62);
  --line: rgba(241, 236, 227, 0.18);
  --ink-text: #2a3330;

  --band: 840px;
  --gut: 48px;

  --mincho: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --gothic: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--mist);
  color: var(--text);
  font-family: var(--gothic);
  font-size: 14px;
  font-weight: 400;
  line-height: 2.1;
  letter-spacing: 0.08em;
  -webkit-font-smoothing: antialiased;
}

img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, dl, dd { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, figure { margin: 0; }

/* ---------- 帯 ---------- */

.band {
  max-width: var(--band);
  margin: 0 auto;
  background: var(--ink);
}

.sec { padding: 120px var(--gut); }
.sec--tight { padding: 88px var(--gut); }
.sec--wide { padding: 160px var(--gut); }

/* ---------- 見出し ---------- */

.eyebrow {
  font-family: var(--gothic);
  font-size: 12px;
  letter-spacing: 0.42em;
  color: var(--dim);
  text-align: center;
  text-transform: uppercase;
}

.h-ja {
  font-family: var(--mincho);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.16em;
  text-align: center;
  margin-top: 24px;
}

.lead {
  font-family: var(--mincho);
  font-weight: 600;
  font-size: clamp(34px, 6.4vw, 64px);
  line-height: 1.55;
  letter-spacing: 0.1em;
  text-align: center;
}

.body-c {
  text-align: center;
  color: var(--dim);
  margin-top: 40px;
}

.body-c span { display: block; }

.note { font-size: 12px; color: var(--dim); line-height: 2; }

/* ---------- ヒーロー ---------- */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--mist);
  color: var(--ink-text);
  padding: 40px 24px;
}

.hero__mark { width: 108px; color: var(--ink-text); }

.hero__name {
  font-family: var(--mincho);
  font-weight: 600;
  font-size: 32px;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  margin-top: 32px;
}

.hero__en {
  font-size: 12px;
  letter-spacing: 0.4em;
  margin-top: 24px;
  color: rgba(42, 51, 48, 0.66);
}

.hero__hours {
  font-size: 12px;
  letter-spacing: 0.22em;
  margin-top: 56px;
  color: rgba(42, 51, 48, 0.66);
}

/* 左右の余白に立てる縦組み（PCのみ） */

.rail {
  display: none;
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--mincho);
  font-size: 13px;
  letter-spacing: 0.5em;
  color: rgba(42, 51, 48, 0.72);
  z-index: 2;
}

.rail--l { left: 64px; }
.rail--r { right: 64px; }

/* ---------- ヘッダー（スクロールで出す） ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 5;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s;
}

.nav.is-on { opacity: 1; visibility: visible; }

.nav__in {
  max-width: var(--band);
  margin: 0 auto;
  padding: 16px var(--gut);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav__name {
  font-family: var(--mincho);
  letter-spacing: 0.3em;
  font-size: 14px;
}

.nav__menu { display: flex; gap: 32px; font-size: 12px; letter-spacing: 0.24em; }
.nav__menu a { color: var(--dim); transition: color 0.3s; }
.nav__menu a:hover { color: var(--text); }

/* ---------- 写真グリッド ---------- */

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 88px;
}

.grid img { aspect-ratio: 3 / 4; object-fit: cover; }
.grid img.w { grid-column: 1 / -1; aspect-ratio: 16 / 9; }

/* ---------- 今日の湯 ---------- */

.today {
  background: var(--paper);
  color: var(--ink-text);
  padding: 56px 40px;
  margin-top: 48px;
}

.today__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px 8px;
  text-align: center;
}

.today__list dt {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: rgba(42, 51, 48, 0.55);
}

.today__list dd {
  font-family: var(--mincho);
  font-size: 20px;
  letter-spacing: 0.12em;
  margin-top: 8px;
}

.today__voice {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(42, 51, 48, 0.16);
  font-size: 12px;
  line-height: 2.2;
  color: rgba(42, 51, 48, 0.72);
  text-align: center;
}

/* ---------- 三つの間 ---------- */

.room { margin-top: 120px; }
.room:first-of-type { margin-top: 88px; }

.room img { aspect-ratio: 7 / 5; object-fit: cover; }

.room__no {
  font-family: var(--mincho);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--dim);
  text-align: center;
  margin-top: 32px;
}

.room__ttl {
  font-family: var(--mincho);
  font-size: 24px;
  letter-spacing: 0.22em;
  text-align: center;
  margin-top: 16px;
}

.room__txt {
  color: var(--dim);
  text-align: center;
  margin-top: 24px;
  max-width: 30em;
  margin-inline: auto;
}

/* ---------- 一献 ---------- */

.menu { margin-top: 56px; }
.menu + .menu { margin-top: 56px; }

.menu__ttl {
  font-family: var(--mincho);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--dim);
  text-align: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.menu__list li {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.menu__list span:last-child { color: var(--dim); white-space: nowrap; }

.menu__photo { margin-top: 56px; }
.menu__photo img { aspect-ratio: 7 / 5; object-fit: cover; }

/* ---------- 料金 ---------- */

.price { margin-top: 56px; }

.price__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.price__row:first-child { border-top: 1px solid var(--line); }

.price__name { font-family: var(--mincho); font-size: 16px; letter-spacing: 0.14em; }
.price__sub { display: block; font-family: var(--gothic); font-size: 12px; color: var(--dim); letter-spacing: 0.1em; }

.price__yen {
  font-family: var(--mincho);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.price__yen small { font-size: 12px; font-weight: 400; letter-spacing: 0.1em; }

/* ---------- 施設情報 ---------- */

.info { margin-top: 56px; }

.info__row {
  display: grid;
  grid-template-columns: 7em 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.info__row dt { font-size: 12px; letter-spacing: 0.24em; color: var(--dim); }
.info__row dd { line-height: 1.9; }

/* ---------- 問い合わせ ---------- */

.form { margin-top: 56px; }

.form__row { margin-top: 32px; }

.form label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--dim);
  margin-bottom: 8px;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-family: var(--gothic);
  font-size: 14px;
  letter-spacing: 0.08em;
  padding: 12px 0;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
}

.form textarea { resize: vertical; min-height: 120px; line-height: 2; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 0; border-bottom-color: var(--text); }
.form select option { color: #16211f; }

.btn {
  display: block;
  width: 100%;
  margin-top: 48px;
  padding: 20px;
  background: transparent;
  border: 1px solid var(--text);
  color: var(--text);
  font-family: var(--mincho);
  font-size: 14px;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  cursor: pointer;
  transition: background 0.4s, color 0.4s;
}

.btn:hover { background: var(--text); color: var(--ink); }

.form__note { margin-top: 24px; text-align: center; }

/* ---------- フッター ---------- */

.foot {
  padding: 88px var(--gut);
  text-align: center;
  border-top: 1px solid var(--line);
}

.foot__mark { width: 56px; margin: 0 auto; color: var(--text); }

.foot__name {
  font-family: var(--mincho);
  font-size: 16px;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  margin-top: 24px;
}

.foot__tel {
  font-family: var(--mincho);
  font-size: 24px;
  letter-spacing: 0.14em;
  margin-top: 24px;
  display: inline-block;
}

.foot__copy { margin-top: 56px; }

/* ---------- 出現アニメーション ---------- */

.rv {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1.1s ease, transform 1.1s ease;
}

.rv.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
}

/* ---------- 画面幅 ---------- */

@media (min-width: 1120px) {
  .rail { display: block; }
  /* 三つの間の写真だけ、帯からわずかにはみ出させる */
  .room figure { margin-inline: -64px; }
}

@media (max-width: 767px) {
  :root { --gut: 24px; }

  body { letter-spacing: 0.06em; }

  .sec { padding: 88px var(--gut); }
  .sec--tight { padding: 64px var(--gut); }
  .sec--wide { padding: 96px var(--gut); }

  .hero__mark { width: 88px; }
  .hero__name { font-size: 26px; }

  .nav__menu { display: none; }
  .nav__in { justify-content: center; }

  .grid { gap: 6px; margin-top: 56px; }
  .today { padding: 40px 24px; margin-inline: -8px; }
  .today__list { grid-template-columns: repeat(2, 1fr); }
  .today__list dd { font-size: 17px; }

  .room { margin-top: 88px; }
  .h-ja { font-size: 20px; }
  .room__ttl { font-size: 20px; }
  .price__yen { font-size: 20px; }
  .info__row { grid-template-columns: 1fr; gap: 4px; padding: 16px 0; }
  .foot__tel { font-size: 20px; }
}