@charset "UTF-8";

/* =========================================
   別邸 静水 LP  style.css  ［高級／富裕層向け］
   方針：余白・引き算・上質な明朝。色は墨・生成り・写真のみで作る。
   　　　金色を「高級の記号」として反射的に使うのをやめ、
   　　　無彩色（墨/生成り）の階調だけで格を出す。
   配色：ベース #f3efe6（生成り）／ 主役 #1a1a18（墨）
   ========================================= */

:root {
  --ivory: #f3efe6;   /* ベース：生成り */
  --ivory-d:#e7e0d2;
  --ivory-soft: rgba(243,239,230,.62); /* 暗い面の上で使う控えめな生成り */
  --ink:  #1a1a18;    /* 主役：墨 */
  --ink-2:#2a2926;
  --text: #33302a;
  --muted:#8a8272;
  --max: 1120px;
  --serif-jp: "Shippori Mincho", "Yu Mincho", "游明朝", serif;
  --serif-body: "Noto Serif JP", "Yu Mincho", serif;
  --serif-en: "Cormorant Garamond", "Times New Roman", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--serif-body);
  font-weight: 300;
  color: var(--text);
  background: var(--ivory);
  line-height: 2.1;
  letter-spacing: .04em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
/* 和紙の風合い（微細なノイズ・繊維感）を全体にごく薄く */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  opacity: .5;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(120,110,90,.04) 0 1px, transparent 1px),
    radial-gradient(circle at 70% 60%, rgba(120,110,90,.035) 0 1px, transparent 1px),
    radial-gradient(circle at 40% 80%, rgba(120,110,90,.03) 0 1px, transparent 1px);
  background-size: 7px 7px, 11px 11px, 13px 13px;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { width: 88%; max-width: var(--max); margin: 0 auto; }

.skip-link {
  position: absolute; left: 8px; top: -48px; z-index: 200;
  background: var(--ink); color: var(--ivory); padding: 10px 16px;
  transition: top .2s ease;
}
.skip-link:focus { top: 8px; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

/* 英語ラベル（細く・広い字間・色に頼らず"間"と字間で品を出す） */
.head__en, .lead-en {
  font-family: var(--serif-en);
  font-style: italic;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: .95rem;
}
.head { text-align: center; margin-bottom: 64px; }
.head--left { text-align: left; margin-bottom: 40px; }
.head__en--light { color: var(--ivory-soft); }
.head__jp {
  font-family: var(--serif-jp);
  font-weight: 600;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  letter-spacing: .12em;
  margin-top: 12px;
}
.section__title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(1.8rem, 4.6vw, 3rem);
  line-height: 1.55;
  letter-spacing: .1em;
  margin: 14px 0 34px;
}
.section__title--light { color: var(--ivory); }

/* 縦書きラベル */
.vlabel {
  writing-mode: vertical-rl;
  font-family: var(--serif-jp);
  letter-spacing: .35em;
  color: var(--muted);
  font-size: .95rem;
}

/* -------- ボタン -------- */
/* 色に頼らず、反転（ink⇔ivory）だけで意思表示する */
.btn {
  display: inline-block;
  padding: 17px 44px;
  font-family: var(--serif-jp);
  letter-spacing: .18em;
  font-size: .98rem;
  border: 1px solid var(--ivory);
  transition: background .35s ease, color .35s ease;
}
.btn--primary { background: var(--ivory); color: var(--ink); }
.btn--primary:hover { background: transparent; color: var(--ivory); }
.btn--line { color: var(--ivory); }
.btn--line:hover { background: var(--ivory); color: var(--ink); border-color: var(--ivory); }

/* =========================================
   ヘッダー
   ========================================= */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding: 22px 0;
  transition: background .4s ease, padding .4s ease;
}
.header.is-solid {
  background: rgba(26, 26, 24, .92);
  padding: 14px 0;
  backdrop-filter: blur(6px);
}
.header__inner {
  width: 90%; max-width: 1240px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--ivory); line-height: 1.2; }
.brand__jp { display: block; font-family: var(--serif-jp); font-size: 1.2rem; letter-spacing: .3em; }

/* 印章：静水（波紋）― 固有のマーク。色は使わず線のみで格を出す */
.crest { width: 26px; height: 26px; flex: 0 0 auto; opacity: .9; }

.nav__list { display: flex; gap: 30px; }
.nav__link {
  color: var(--ivory); font-family: var(--serif-jp);
  font-size: .92rem; letter-spacing: .12em; position: relative; opacity: .9;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 1px; background: var(--ivory); transition: width .3s ease;
}
.nav__link:hover::after { width: 100%; }

.reserve-btn {
  color: var(--ivory); font-family: var(--serif-jp);
  letter-spacing: .18em; font-size: .92rem;
  border: 1px solid var(--ivory); padding: 9px 24px;
  transition: background .3s, color .3s;
}
.reserve-btn:hover { background: var(--ivory); color: var(--ink); }

.hamburger {
  display: none; width: 40px; height: 40px; position: relative;
  background: none; border: none; cursor: pointer; z-index: 110;
}
.hamburger span {
  position: absolute; left: 8px; width: 24px; height: 1.5px;
  background: var(--ivory); transition: transform .3s, opacity .3s;
}
.hamburger span:nth-child(1) { top: 14px; }
.hamburger span:nth-child(2) { top: 20px; }
.hamburger span:nth-child(3) { top: 26px; }
.hamburger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* =========================================
   ヒーロー
   ========================================= */
.hero {
  position: relative; min-height: 100vh;
  color: var(--ivory);
  overflow: hidden;
}
.hero__media {
  position: absolute; inset: 0; z-index: 0;
  background: #14150f url("img/hero.jpg") center/cover no-repeat;
  animation: slowzoom 18s ease-out forwards;
}
.hero__veil {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(20,21,15,.5) 0%, rgba(20,21,15,.15) 45%, rgba(20,21,15,.7) 100%);
}
/* 左寄せエディトリアル：小さな一文 → 大きな2行 → リード を縦に積む */
.hero { display: flex; align-items: center; }
.hero__content {
  position: relative; z-index: 2;
  width: 88%; max-width: var(--max); margin: 0 auto;
  padding-top: 40px;
}
.hero__en {
  display: block; margin-bottom: 28px;
  padding-left: 2px;
  font-family: var(--serif-jp);
  font-style: normal; text-transform: none;
  letter-spacing: .2em;
  color: var(--ivory-soft); font-size: 1rem;
  position: relative;
}
/* 一文の頭に細い縦罫（あしらい・無彩色） */
.hero__en::before {
  content: ""; position: absolute; left: -18px; top: 50%; transform: translateY(-50%);
  width: 1px; height: 1.4em; background: var(--ivory); opacity: .5;
}
.hero__title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(2.8rem, 8vw, 5.4rem);
  line-height: 1.42;
  letter-spacing: .14em;
  margin-bottom: 34px;
  text-shadow: 0 2px 40px rgba(0,0,0,.45);
}
.hero__lead {
  font-family: var(--serif-jp);
  font-size: 1rem; letter-spacing: .12em; line-height: 2.2;
  opacity: .92;
}
@keyframes slowzoom { from { transform: scale(1.12); } to { transform: scale(1); } }

/* =========================================
   セクション共通
   ========================================= */
.section { padding: 130px 0; }

/* 章番号（漢数字）― エディトリアルな索引。色は無彩色で、字間と間だけで見せる */
.idx {
  display: block;
  writing-mode: vertical-rl;
  font-family: var(--serif-jp); font-weight: 500;
  font-size: 1.6rem; letter-spacing: .1em;
  color: var(--ink);
  opacity: .55;
  margin: 0 auto 20px;
  height: 2.4em; position: relative;
}
.idx::after {
  content: ""; position: absolute; left: 50%; bottom: -14px; transform: translateX(-50%);
  width: 1px; height: 34px; background: currentColor;
}
.head--left .idx, .cuisine__panel .idx, .onsen__inner .idx { margin-left: 0; margin-right: auto; }
.idx--light { color: var(--ivory); opacity: .6; }

/* 画像のカーテン・リビール（凡庸なフェードの代わり） */
.reveal { clip-path: inset(0 0 100% 0); transition: clip-path 1.4s cubic-bezier(.7,0,.2,1); }
.reveal.is-visible { clip-path: inset(0 0 0 0); }

/* コンセプト（非対称・余白たっぷり） */
.concept { background: var(--ivory); }
.concept__grid {
  display: grid; grid-template-columns: 60px 1fr;
  gap: 60px; max-width: 900px; margin: 0 auto;
}
.concept__side { display: flex; justify-content: center; }
.concept__body p { margin-bottom: 26px; max-width: 42em; }
.lead-en { display: block; margin-bottom: 8px; }
.signature { font-family: var(--serif-jp); color: var(--ink); opacity: .7; margin-top: 38px !important; letter-spacing: .1em; }

/* 数字 */
.figures { background: var(--ink); color: var(--ivory); padding: 96px 0; }
.figures__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; text-align: center; }
.figure { padding: 10px; position: relative; }
.figure + .figure::before {
  content: ""; position: absolute; left: 0; top: 15%; height: 70%;
  width: 1px; background: rgba(243,239,230,.18);
}
.figure__num {
  font-family: var(--serif-en); font-weight: 500;
  font-size: clamp(3rem, 8vw, 4.6rem); line-height: 1; color: var(--ivory);
}
.figure__num span { font-family: var(--serif-jp); font-size: .28em; margin-left: 6px; color: var(--ivory-soft); }
.figure__cap { margin-top: 18px; font-size: .92rem; opacity: .85; }

/* 客室 */
.rooms { background: var(--ivory); }
.room {
  display: grid; grid-template-columns: 1.24fr .76fr; align-items: center;
  gap: min(6vw, 90px);
  width: 90%; max-width: var(--max); margin: 0 auto 110px;
}
.room:last-child { margin-bottom: 0; }
.room--rev .room__media { order: 2; }
.room__media {
  aspect-ratio: 4 / 3;
  background-size: cover; background-position: center;
  background-repeat: no-repeat; background-color: #2b2c24;
  position: relative;
}
.room__media--1 { background-image: url("img/room1.jpg"); }
.room__media--2 { background-image: url("img/room2.jpg"); }
.room__media--3 { background-image: url("img/room3.jpg"); }
.room__no { font-family: var(--serif-en); font-style: italic; letter-spacing: .25em; color: var(--muted); margin-bottom: 10px; }
.room__name {
  font-family: var(--serif-jp); font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: .1em; margin-bottom: 20px;
}
.room__yomi { font-size: .5em; color: var(--muted); margin-left: 12px; letter-spacing: .2em; }
.room__spec {
  display: flex; flex-wrap: wrap; gap: 10px 18px;
  margin: 22px 0; padding: 18px 0; border-top: 1px solid var(--ivory-d); border-bottom: 1px solid var(--ivory-d);
  font-size: .9rem; color: var(--muted);
}
.room__spec li { position: relative; padding-left: 16px; }
.room__spec li::before { content: "―"; position: absolute; left: 0; color: var(--muted); }
.room__price { font-family: var(--serif-jp); letter-spacing: .06em; }
.room__price b { font-size: 1.4rem; color: var(--ink); }
.room__price small { color: var(--muted); font-size: .8rem; margin-left: 6px; }

/* お食事（画像半分＋パネル） */
.cuisine { display: grid; grid-template-columns: 1fr 1fr; padding: 0; min-height: 620px; }
.cuisine__media {
  background: #16160f url("img/cuisine.jpg") center/cover no-repeat;
  position: relative;
}
.cuisine__panel { background: var(--ink); color: var(--ivory); padding: clamp(48px, 7vw, 96px); display: flex; flex-direction: column; justify-content: center; }
.cuisine__panel .section__title { color: var(--ivory); }
.cuisine__panel p { opacity: .9; }
.cuisine__list { margin: 30px 0; border-top: 1px solid rgba(243,239,230,.3); }
.cuisine__list li {
  padding: 16px 0; border-bottom: 1px solid rgba(243,239,230,.18);
  font-family: var(--serif-jp); font-size: .98rem; letter-spacing: .06em;
}
.cuisine__note { font-size: .82rem; opacity: .6 !important; }

/* 温泉 */
.onsen {
  position: relative; color: var(--ivory); text-align: center;
  background:
    linear-gradient(rgba(15,16,11,.72), rgba(15,16,11,.82)),
    url("img/onsen.jpg") center/cover fixed no-repeat;
}
.onsen__inner { max-width: 680px; margin: 0 auto; position: relative; z-index: 1; }
.onsen__text { opacity: .9; margin-bottom: 40px; }
.onsen__data { display: inline-grid; gap: 0; text-align: left; }
.onsen__data > div { display: flex; gap: 24px; padding: 14px 0; border-bottom: 1px solid rgba(243,239,230,.2); }
.onsen__data dt { flex: 0 0 80px; font-family: var(--serif-jp); color: var(--ivory-soft); letter-spacing: .15em; }

/* 宿泊案内 */
.stay { background: var(--ivory); }
.stay__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.stay__row { display: flex; gap: 28px; padding: 18px 0; border-bottom: 1px solid var(--ivory-d); }
.stay__row dt { flex: 0 0 84px; font-family: var(--serif-jp); color: var(--ink); opacity: .75; letter-spacing: .12em; }
.stay__row dd a { border-bottom: 1px solid var(--ink); }
.stay__map {
  aspect-ratio: 1 / 1; background: linear-gradient(160deg, #dcd6c7, #cfc7b4);
  display: flex; align-items: center; justify-content: center; text-align: center;
  color: var(--muted); font-family: var(--serif-en); letter-spacing: .1em;
}

/* 予約CTA */
.reserve {
  position: relative; text-align: center; color: var(--ivory);
  padding: 140px 20px;
  background: linear-gradient(160deg, #26271e, #12130d);
  overflow: hidden;
}
.reserve__veil {
  position: absolute; inset: 0;
  background: radial-gradient(60% 60% at 50% 40%, rgba(243,239,230,.08), transparent 70%);
}
.reserve__inner { position: relative; z-index: 1; }
.reserve__title {
  font-family: var(--serif-jp); font-weight: 500;
  font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.6; letter-spacing: .14em;
  margin: 18px 0 20px;
}
.reserve__text { opacity: .85; margin-bottom: 44px; }
.reserve__actions { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }

/* フッター */
.footer { background: var(--ink); color: var(--ivory); padding: 60px 0; }
.footer__inner { text-align: center; }
.footer__brand { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.footer__brand .crest { opacity: .8; }
.footer__brand-jp { font-family: var(--serif-jp); font-size: 1.3rem; letter-spacing: .3em; }
.footer__info { margin: 20px 0 10px; font-size: .9rem; opacity: .8; }
.footer__copy { font-size: .78rem; opacity: .5; }

/* ページトップ */
.pagetop {
  position: fixed; right: 22px; bottom: 22px;
  width: 46px; height: 46px; border: 1px solid var(--ivory);
  background: rgba(26,26,24,.7); color: var(--ivory); cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .4s ease; z-index: 90;
}
.pagetop.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.pagetop:hover { background: var(--ivory); color: var(--ink); }

/* スクロール登場（ゆっくり・上品に） */
.js-in { opacity: 0; transform: translateY(28px); transition: opacity 1s ease, transform 1s ease; }
.js-in.is-visible { opacity: 1; transform: translateY(0); }

/* =========================================
   レスポンシブ
   ========================================= */
@media (max-width: 900px) {
  .cuisine { grid-template-columns: 1fr; }
  .cuisine__media { min-height: 320px; }
}
@media (max-width: 768px) {
  .hamburger { display: block; }
  .reserve-btn { display: none; }
  .nav {
    position: fixed; inset: 0; background: rgba(20,21,15,.97);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: opacity .4s ease;
  }
  .nav.is-open { opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; gap: 32px; text-align: center; }
  .nav__link { font-size: 1.15rem; }

  .hero__content { padding-top: 72px; }
  .hero__en { margin-bottom: 20px; font-size: .92rem; }
  .hero__title { font-size: clamp(2.5rem, 12vw, 4rem); letter-spacing: .1em; margin-bottom: 26px; }
  .hero__lead { font-size: .9rem; }

  .section { padding: 90px 0; }
  .concept__grid { grid-template-columns: 1fr; gap: 24px; }
  .concept__side { justify-content: flex-start; }
  .vlabel { writing-mode: horizontal-tb; border-left: 1px solid var(--ink); padding-left: 12px; }

  .room, .room--rev { grid-template-columns: 1fr; gap: 24px; }
  .room--rev .room__media { order: 0; }
  .stay__grid { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 480px) {
  .figures__grid { grid-template-columns: 1fr; gap: 40px; }
  .figure + .figure::before { display: none; }
  .reserve__actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 320px; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; }
  .js-in { opacity: 1; transform: none; }
  .reveal { clip-path: none; }
  .hero__media { transform: none; }
}