/* ============================================================
   HIKARI SAUNA — Landing Page
   軽井沢の自然光・木・静寂・和モダン
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green: #4b5a45;
  --green-dark: #3d4a39;
  --cream: #f4f1ea;
  --cream-2: #efeae0;
  --paper: #ffffff;
  --wood: #b79b78;
  --ink: #33322d;
  --ink-soft: #5c5a52;
  --muted: #948f80;
  --line: #d9d3c6;
  --serif: "Noto Serif JP", "Yu Mincho", serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --lat: "Cormorant Garamond", "Noto Serif JP", serif;
  --wrap: 1180px;
  --pad: clamp(20px, 5vw, 64px);
  --header-h: 84px;
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: y proximity;
  scroll-padding-top: var(--header-h);
}

/* section-by-section scroll navigation（世界観のあるセクションのみ） */
.hero,
.about,
.feature,
.break,
.reasons,
.flow,
.voice,
.access,
.reserve {
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

/* 固定ヘッダーで見出しが隠れないように */
section[id],
.faq__item { scroll-margin-top: var(--header-h); }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.9;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

.container { max-width: var(--wrap); margin: 0 auto; padding-inline: var(--pad); }
.container--narrow { max-width: 820px; }

/* ---------- アクセシビリティ ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--green); color: #fff;
  padding: 10px 18px; font-size: .85rem;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 3px;
}
.hero :focus-visible,
.reserve :focus-visible,
.header:not(.is-scrolled) :focus-visible { outline-color: #fff; }

/* ---------- shared type ---------- */
.section-label {
  font-family: var(--lat);
  letter-spacing: .32em;
  font-size: .78rem;
  color: var(--muted);
  text-transform: uppercase;
}
.section-label.center { text-align: center; }
.about__text .section-label:first-child { display: block; margin-bottom: 16px; }
.section-label--line {
  display: flex; align-items: center; gap: 14px;
  margin-top: 40px;
}
.section-label--line::before {
  content: ""; width: 46px; height: 1px; background: var(--muted);
}
.section-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  letter-spacing: .08em;
  line-height: 1.6;
  margin-top: 14px;
}
.section-title.center { text-align: center; }
.center { text-align: center; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 1em;
  font-family: var(--serif);
  font-size: .95rem;
  letter-spacing: .12em;
  padding: 1.05em 2.4em;
  min-height: 48px;
  border: 1px solid transparent;
  transition: background .3s ease, color .3s ease, border-color .3s ease;
  white-space: nowrap;
  cursor: pointer;
}
.btn__arrow { transition: transform .3s ease; }
.btn:hover .btn__arrow { transform: translateX(5px); }

/* 予約CTA：背景とのコントラストを明確にする */
.btn--accent {
  background: var(--green); color: #fff;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(45, 55, 42, .22);
}
.btn--accent:hover { background: var(--green-dark); }

.btn--light { background: #fff; color: var(--green); border-radius: 999px; }
.btn--light:hover { background: var(--cream); }

.btn--outline {
  border-color: var(--ink); color: var(--ink);
  padding: .85em 1.8em; font-size: .85rem; min-height: 44px;
}
.btn--outline:hover { background: var(--ink); color: var(--cream); }

/* ============================================================
   1. HEADER
   ============================================================ */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .4s ease, box-shadow .4s ease;
  padding: 14px 0;
}
/* 非スクロール時、明るい写真の上でもナビが読めるように上部を暗くする */
.header::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, rgba(20,22,18,.42) 0%, rgba(20,22,18,0) 100%);
  transition: opacity .4s ease;
}
.header.is-scrolled::before { opacity: 0; }
.header__inner {
  max-width: 1440px; margin: 0 auto;
  padding-inline: var(--pad);
  display: flex; align-items: center; gap: 28px;
}
.header.is-scrolled {
  background: rgba(244,241,234,.94);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(0,0,0,.06);
}

.brand { display: flex; align-items: center; gap: 12px; color: #fff; transition: color .4s; flex: none; }
.header.is-scrolled .brand { color: var(--ink); }
.brand__mark { width: 40px; flex: none; }
.brand__mark svg { width: 100%; height: auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.35; }
.brand__name { font-family: var(--lat); letter-spacing: .3em; font-size: 1.05rem; }
.brand__tag { font-size: .62rem; letter-spacing: .18em; opacity: .8; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 24px; list-style: none; }
.nav__list a {
  font-size: .82rem; letter-spacing: .08em; color: #fff;
  position: relative; padding-bottom: 4px; transition: color .4s;
}
.header.is-scrolled .nav__list a { color: var(--ink); }
.nav__list .nav__cta a { color: #fff; }
.nav__list a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px;
  background: currentColor; transition: width .3s ease;
}
.nav__list a:not(.btn):hover::after { width: 100%; }

.header__cta { padding: .8em 1.7em; font-size: .82rem; min-height: 42px; }

.nav__cta { display: none; }
.nav__cta a { padding: .8em 1.6em; font-size: .82rem; }
.nav__backdrop { display: none; }
.hamburger { display: none; }

@media (max-width: 1200px) {
  .header__inner { gap: 18px; }
  .nav__list { gap: 16px; }
  .nav__list a { font-size: .78rem; }
}

/* ============================================================
   2. HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex; align-items: flex-end;
  padding: 140px var(--pad) clamp(56px, 9vh, 100px);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: -2; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__overlay {
  position: absolute; inset: 0; z-index: -1;
  /* 白文字の背後に左→右で薄くなる黒 ＋ 画面下部に下→上で薄くなる黒 */
  background:
    linear-gradient(100deg, rgba(26,28,22,.74) 0%, rgba(26,28,22,.4) 55%, rgba(26,28,22,.16) 88%),
    linear-gradient(0deg, rgba(26,28,22,.6) 0%, rgba(26,28,22,0) 32%);
}
.hero__content { color: #fff; max-width: 620px; }
.hero__label {
  display: inline-block;
  font-family: var(--serif); font-size: .78rem; letter-spacing: .12em;
  padding: 8px 16px; margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,.5); border-radius: 999px;
  text-shadow: 0 1px 4px rgba(0,0,0,.4);
}
.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 6.5vw, 4.4rem);
  line-height: 1.35;
  letter-spacing: .06em;
  text-shadow: 0 2px 24px rgba(0,0,0,.35);
}
.hero__desc {
  margin-top: 22px;
  font-family: var(--serif);
  font-size: clamp(.9rem, 1.5vw, 1rem);
  letter-spacing: .06em; line-height: 2;
  text-shadow: 0 1px 10px rgba(0,0,0,.45);
}
.hero__points {
  display: flex; flex-wrap: wrap; gap: 8px 20px;
  margin: 24px 0 30px;
  font-family: var(--serif); font-size: .84rem; letter-spacing: .06em;
}
.hero__points li { list-style: none; position: relative; padding-left: 18px; text-shadow: 0 1px 8px rgba(0,0,0,.5); }
.hero__points li::before {
  content: ""; position: absolute; left: 0; top: .68em;
  width: 6px; height: 6px; border: 1px solid rgba(255,255,255,.85); border-radius: 50%;
}
.hero__cta { padding: 1.1em 2.6em; }
.hero__note {
  margin-top: 16px;
  font-size: .8rem; letter-spacing: .05em;
  color: rgba(255,255,255,.85);
  text-shadow: 0 1px 8px rgba(0,0,0,.5);
}
.hero__side {
  position: absolute; right: 0; top: 24vh;
  padding: 24px var(--pad) 28px 60px;
  color: #fff; font-family: var(--serif);
  text-align: right; letter-spacing: .12em; line-height: 2.2;
  font-size: .95rem;
  text-shadow: 0 1px 3px rgba(0,0,0,.65), 0 6px 26px rgba(0,0,0,.55);
  background: radial-gradient(120% 140% at 78% 45%, rgba(22,24,19,.5) 0%, rgba(22,24,19,.24) 48%, rgba(22,24,19,0) 78%);
}
.hero__caption {
  position: absolute; right: 0; bottom: clamp(24px, 5vh, 56px);
  padding: 18px var(--pad) 18px 60px;
  color: #fff;
  font-family: var(--lat); letter-spacing: .22em; font-size: .78rem;
  text-shadow: 0 1px 3px rgba(0,0,0,.65), 0 4px 20px rgba(0,0,0,.55);
  background: linear-gradient(90deg, rgba(22,24,19,0) 0%, rgba(22,24,19,.42) 45%, rgba(22,24,19,.5) 100%);
}
.hero__caption span { letter-spacing: .34em; }

/* ============================================================
   3. 施設の主要情報（infobar）
   ============================================================ */
.infobar { background: var(--paper); border-block: 1px solid var(--line); }
.infobar__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.infobar__item {
  text-align: center; padding: clamp(28px, 4vw, 46px) 16px;
  border-left: 1px solid var(--line);
}
.infobar__item:first-child { border-left: 0; }
.infobar__num {
  display: block;
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.55rem, 3vw, 2.1rem); letter-spacing: .03em;
  color: var(--ink);
}
.infobar__num small { font-size: .5em; margin-left: 3px; color: var(--ink-soft); }
.infobar__label { display: block; margin-top: 8px; font-size: .74rem; letter-spacing: .05em; color: var(--muted); }

/* ============================================================
   4. ABOUT
   ============================================================ */
.about { background: var(--cream); padding: clamp(70px, 12vh, 140px) 0; }
.about__grid {
  max-width: 1280px; margin: 0 auto; padding-inline: var(--pad);
  display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(30px, 5vw, 80px);
  align-items: center;
}
.about__title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  line-height: 1.6; letter-spacing: .08em; margin-bottom: 32px;
}
.about__body { color: var(--ink-soft); font-size: .95rem; }
.about__figure { position: relative; }
.about__figure img { width: 100%; height: clamp(340px, 46vw, 560px); object-fit: cover; }
.about__figure::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,24,20,.5) 0%, rgba(20,24,20,0) 48%);
  pointer-events: none;
}
.about__figure figcaption {
  position: absolute; top: 34px; right: 30px; z-index: 1;
  color: #fff; font-family: var(--serif);
  text-align: right; letter-spacing: .1em; line-height: 2;
  font-size: clamp(1rem, 1.7vw, 1.3rem);
  text-shadow: 0 2px 16px rgba(0,0,0,.5);
}

/* ============================================================
   5. FEATURE（3つのサウナ体験）
   ============================================================ */
.feature { background: var(--paper); padding: clamp(70px, 12vh, 130px) 0; }
.feature__cards {
  margin-top: clamp(40px, 6vw, 70px);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px);
}
.fcard { background: var(--paper); border: 1px solid var(--line); display: flex; flex-direction: column; }
.fcard__img { overflow: hidden; }
.fcard__img img { width: 100%; height: 240px; object-fit: cover; transition: transform .6s ease; }
.fcard:hover .fcard__img img { transform: scale(1.04); }
.fcard__body { padding: 26px 26px 30px; }
.fcard__head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; }
.fcard__num { font-family: var(--lat); font-size: 1.05rem; color: var(--muted); letter-spacing: .1em; }
.fcard__title { font-family: var(--serif); font-weight: 500; font-size: 1.2rem; letter-spacing: .1em; }
.fcard__desc { font-size: .85rem; color: var(--ink-soft); }

/* ============================================================
   BREAK
   ============================================================ */
.break {
  position: relative; overflow: hidden;
  min-height: clamp(420px, 62vh, 640px);
  display: flex; align-items: center;
  color: #fff;
}
.break__bg { position: absolute; inset: 0; z-index: -3; }
.break__bg img { width: 100%; height: 100%; object-fit: cover; }
.break__steam { position: absolute; inset: -10% -5%; z-index: -1; opacity: .5; mix-blend-mode: screen; pointer-events: none; }
.break__steam img { width: 100%; height: 100%; object-fit: cover; }
.break__overlay {
  position: absolute; inset: 0; z-index: -2;
  background: linear-gradient(90deg, rgba(20,24,20,.62) 0%, rgba(20,24,20,.34) 50%, rgba(20,24,20,.48) 100%);
}
.break__title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.9rem, 4.6vw, 3.1rem);
  line-height: 1.6; letter-spacing: .08em;
  text-shadow: 0 2px 24px rgba(0,0,0,.4);
}
.break__text { margin-top: 26px; font-family: var(--serif); letter-spacing: .1em; font-size: clamp(.9rem, 1.6vw, 1.05rem); text-shadow: 0 2px 16px rgba(0,0,0,.45); }

/* ============================================================
   6. REASONS（選ばれる理由）
   ============================================================ */
.reasons { background: var(--cream); padding: clamp(70px, 12vh, 130px) 0; }
.reasons__list {
  margin-top: clamp(44px, 6vw, 76px);
  display: flex; flex-direction: column; gap: clamp(44px, 6vw, 84px);
}
.reason {
  display: grid; grid-template-columns: 1.05fr 1fr;
  gap: clamp(24px, 4vw, 60px); align-items: center;
}
.reason__img { overflow: hidden; }
.reason__img img { width: 100%; height: clamp(240px, 32vw, 380px); object-fit: cover; }
.reason--reverse .reason__img { order: 2; }
.reason__num { font-family: var(--lat); font-size: 1.1rem; letter-spacing: .14em; color: var(--muted); }
.reason__title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.2rem, 2.2vw, 1.55rem); letter-spacing: .08em;
  margin: 10px 0 16px;
}
.reason__body p { font-size: .9rem; color: var(--ink-soft); }

/* ============================================================
   7. PRICING（料金・プラン）
   ============================================================ */
.pricing { background: var(--paper); padding: clamp(70px, 12vh, 130px) 0; }
.pricing__sub { margin-top: 14px; font-family: var(--serif); color: var(--ink-soft); font-size: .95rem; }
.pricing__cards {
  margin-top: clamp(36px, 5vw, 56px);
  display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(18px, 2.5vw, 28px);
  max-width: 860px; margin-inline: auto;
}
.pcard { border: 1px solid var(--line); padding: clamp(28px, 3.5vw, 40px); background: var(--paper); }
.pcard--main { background: var(--cream); border-color: var(--green); }
.pcard__name { font-family: var(--serif); font-size: 1rem; letter-spacing: .1em; margin-bottom: 16px; }
.pcard__price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 18px; }
.pcard__amount { font-family: var(--serif); font-weight: 600; font-size: clamp(2rem, 4vw, 2.6rem); color: var(--green); letter-spacing: .02em; }
.pcard__unit { font-size: .85rem; color: var(--ink-soft); }
.pcard__meta { list-style: none; font-size: .85rem; color: var(--ink-soft); }
.pcard__meta li { margin-bottom: 6px; }
.pcard__rows { list-style: none; }
.pcard__rows li {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 13px 0; border-bottom: 1px solid var(--line); font-size: .9rem;
}
.pcard__rows li:first-child { border-top: 1px solid var(--line); }
.pcard__foot { margin-top: 14px; font-size: .78rem; color: var(--muted); }

.pricing__included { max-width: 860px; margin: clamp(30px, 4vw, 44px) auto 0; }
.pricing__inc-title { font-family: var(--serif); font-weight: 500; font-size: 1rem; letter-spacing: .08em; margin-bottom: 16px; text-align: center; }
.inclist { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 22px; }
.inclist li { display: flex; align-items: center; gap: 8px; font-size: .86rem; color: var(--ink-soft); }
.ic-check { width: 17px; height: 17px; color: var(--green); flex: none; }

.pricing__terms {
  list-style: none; max-width: 860px; margin: clamp(28px, 4vw, 40px) auto 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
.pricing__terms li { background: var(--paper); padding: 16px; font-size: .84rem; color: var(--ink); text-align: center; }
.pricing__terms li span { display: block; font-size: .7rem; color: var(--muted); letter-spacing: .1em; margin-bottom: 6px; }

.pricing__cta { text-align: center; margin-top: clamp(32px, 4vw, 44px); }
.pricing__disclaimer { margin-top: 20px; text-align: center; font-size: .74rem; color: var(--muted); line-height: 1.8; }

/* ============================================================
   8. FACILITY + AMENITIES
   ============================================================ */
.facility { background: var(--cream); padding: clamp(70px, 12vh, 130px) 0; }
.facility__grid {
  margin-top: clamp(40px, 6vw, 66px);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(18px, 2.4vw, 34px);
}
.ficard__img { overflow: hidden; margin-bottom: 18px; }
.ficard__img img { width: 100%; height: 150px; object-fit: cover; transition: transform .6s ease; }
.ficard:hover .ficard__img img { transform: scale(1.04); }
.ficard h3 { font-family: var(--serif); font-weight: 500; font-size: 1rem; letter-spacing: .08em; margin-bottom: 6px; }
.ficard p { font-size: .8rem; color: var(--ink-soft); }

.amenities {
  max-width: 860px; margin: clamp(46px, 6vw, 74px) auto 0;
  padding-top: clamp(30px, 4vw, 44px); border-top: 1px solid var(--line);
}
.amenities__title { text-align: center; font-family: var(--serif); font-weight: 500; font-size: 1rem; letter-spacing: .08em; margin-bottom: 22px; }
.amenities__list { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px 24px; }
.amenities__list li { display: flex; align-items: center; gap: 9px; font-size: .86rem; color: var(--ink-soft); }

/* ============================================================
   9. FLOW
   ============================================================ */
.flow { background: var(--paper); padding: clamp(70px, 12vh, 130px) 0; }
.flow__grid {
  margin-top: clamp(40px, 6vw, 70px);
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.fstep {
  text-align: center; padding: 12px clamp(14px, 2vw, 26px);
  border-left: 1px solid var(--line);
}
.fstep:first-child { border-left: 0; }
.fstep__num { font-family: var(--lat); font-size: 1.1rem; color: var(--muted); letter-spacing: .12em; display: block; }
.fstep__icon { display: block; width: 52px; margin: 18px auto 20px; }
.fstep__icon img { width: 100%; height: auto; }
.fstep h3 { font-family: var(--serif); font-weight: 500; font-size: 1.02rem; letter-spacing: .08em; margin-bottom: 10px; }
.fstep p { font-size: .8rem; color: var(--ink-soft); }

/* ============================================================
   10. VOICE
   ============================================================ */
.voice { background: var(--cream); padding: clamp(70px, 12vh, 130px) 0; }
.voice__grid {
  margin-top: clamp(40px, 6vw, 66px);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.6vw, 34px);
}
.vcard { background: var(--cream-2); padding: 40px 34px; }
.vcard blockquote {
  font-family: var(--serif); font-weight: 500;
  font-size: 1.08rem; letter-spacing: .04em; line-height: 1.7; margin-bottom: 18px;
}
.vcard blockquote::before { content: "\201C"; }
.vcard blockquote::after { content: "\201D"; }
.vcard p { font-size: .82rem; color: var(--ink-soft); margin-bottom: 26px; }
.vcard figcaption {
  display: flex; align-items: center; gap: 12px;
  font-size: .74rem; letter-spacing: .1em; color: var(--muted);
}
.vcard__avatar {
  width: 52px; height: 52px; border-radius: 50%;
  object-fit: cover; object-position: center top; flex: none;
}

/* ============================================================
   11. FAQ
   ============================================================ */
.faq { background: var(--paper); padding: clamp(70px, 12vh, 130px) 0; }
.faq__list { list-style: none; margin-top: clamp(36px, 5vw, 56px); border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  width: 100%; background: none; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 24px 4px; text-align: left;
  font-family: var(--serif); font-size: 1rem; letter-spacing: .04em; color: var(--ink);
  line-height: 1.7;
}
.faq__icon { width: 20px; height: 20px; flex: none; color: var(--green); transition: transform .3s ease; }
.faq__q[aria-expanded="true"] .faq__icon { transform: rotate(180deg); }
.faq__a { padding: 0 4px 26px; }
.faq__a p { font-size: .88rem; color: var(--ink-soft); max-width: 60ch; }

/* ============================================================
   12. ACCESS
   ============================================================ */
.access { background: var(--cream); }
.access__grid {
  display: grid; grid-template-columns: 1fr 1fr; align-items: stretch;
}
.access__info { padding: clamp(50px, 7vw, 96px) clamp(24px, 5vw, 64px); }
.access__title { font-family: var(--serif); font-weight: 500; font-size: 1.9rem; letter-spacing: .14em; margin: 12px 0 26px; }
.access__addr { font-size: .9rem; color: var(--ink-soft); margin-bottom: 24px; }
.access__list { list-style: none; margin-bottom: 32px; font-size: .85rem; color: var(--ink-soft); }
.access__list li { display: flex; gap: 12px; align-items: center; margin-bottom: 13px; }
.access__list svg { width: 22px; height: 22px; flex: none; color: var(--green); }

.access__photo { position: relative; min-height: 320px; }
.access__photo img { width: 100%; height: 100%; object-fit: cover; }
.access__photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,24,20,0) 40%, rgba(20,24,20,.5) 100%);
  pointer-events: none;
}
.access__photo figcaption {
  position: absolute; left: 50%; bottom: 40px; transform: translateX(-50%); z-index: 1;
  color: #fff; font-family: var(--lat); letter-spacing: .34em; font-size: 1.1rem;
  text-shadow: 0 2px 16px rgba(0,0,0,.55); white-space: nowrap;
}

/* ============================================================
   13. RESERVE（最終予約CTA）
   ============================================================ */
.reserve { background: var(--green); color: #fff; }
.reserve__inner {
  max-width: 760px; margin: 0 auto;
  padding: clamp(64px, 10vw, 120px) var(--pad);
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 20px;
}
.reserve__title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem); line-height: 1.6; letter-spacing: .08em;
}
.reserve__desc { font-size: .92rem; color: rgba(255,255,255,.88); }
.reserve__price { font-family: var(--serif); font-size: 1.05rem; letter-spacing: .06em; }
.reserve__cta { margin-top: 6px; }
.reserve__meta { font-size: .8rem; color: rgba(255,255,255,.8); letter-spacing: .05em; }

/* ============================================================
   14. FOOTER
   ============================================================ */
.footer { background: var(--cream); padding: clamp(46px, 7vw, 72px) 0 28px; }
.footer__inner {
  max-width: var(--wrap); margin: 0 auto; padding-inline: var(--pad);
  display: flex; align-items: center; gap: 30px; flex-wrap: wrap;
}
.brand--footer { color: var(--ink); }
.footer__nav { display: flex; flex-wrap: wrap; gap: 18px; margin-left: auto; }
.footer__nav a { font-size: .78rem; letter-spacing: .06em; color: var(--ink-soft); transition: color .3s; }
.footer__nav a:hover { color: var(--ink); }
.footer__social { display: flex; gap: 14px; }
.footer__social a { color: var(--ink-soft); transition: color .3s; display: inline-flex; padding: 4px; }
.footer__social a:hover { color: var(--green); }
.footer__copy {
  max-width: var(--wrap); margin: 40px auto 0; padding-inline: var(--pad);
  font-family: var(--lat); font-size: .7rem; letter-spacing: .18em; color: var(--muted);
  text-align: right;
}

/* ============================================================
   スマートフォン固定予約バー
   ============================================================ */
.mobilebar { display: none; }

/* ============================================================
   空き状況カレンダー（モーダル）
   ============================================================ */
.modal[hidden] { display: none; }
.modal {
  position: fixed; inset: 0; z-index: 300;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
body.modal-open { overflow: hidden; }
.modal__overlay {
  position: absolute; inset: 0;
  background: rgba(26,28,22,.55);
  backdrop-filter: blur(2px);
}
.modal__panel {
  position: relative;
  width: min(460px, 100%);
  max-height: calc(100vh - 40px);
  max-height: calc(100dvh - 40px);
  overflow-y: auto;
  background: var(--cream);
  padding: clamp(22px, 4vw, 34px);
  box-shadow: 0 20px 60px rgba(20,22,18,.3);
}
.modal__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.modal__title { font-family: var(--serif); font-weight: 500; font-size: 1.15rem; letter-spacing: .06em; }
.modal__close {
  flex: none; width: 40px; height: 40px; border: 0; background: none; cursor: pointer;
  color: var(--ink-soft); display: grid; place-items: center; border-radius: 50%;
}
.modal__close:hover { background: rgba(0,0,0,.05); color: var(--ink); }
.modal__close svg { width: 20px; height: 20px; }

.cal__bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 16px; }
.cal__month { font-family: var(--serif); font-size: 1.05rem; letter-spacing: .08em; }
.cal__nav {
  flex: none; width: 38px; height: 38px; border: 1px solid var(--line); background: var(--paper); cursor: pointer;
  display: grid; place-items: center; color: var(--ink); border-radius: 50%;
  transition: background .3s ease, color .3s ease, border-color .3s ease;
}
.cal__nav:hover:not(:disabled) { background: var(--green); border-color: var(--green); color: #fff; }
.cal__nav:disabled { opacity: .35; cursor: not-allowed; }
.cal__nav svg { width: 18px; height: 18px; }

.cal__legend { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 16px; font-size: .76rem; color: var(--ink-soft); }
.cal__legend li { display: flex; align-items: center; gap: 6px; }
.cal__mk { line-height: 1; }
.cal__mk--open { color: var(--green); }
.cal__mk--few  { color: #9a7b3c; }
.cal__mk--full { color: var(--muted); }

.cal__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal__grid--head { margin-bottom: 4px; }
.cal__grid--head span { text-align: center; font-size: .72rem; color: var(--muted); padding: 4px 0; }

.cal__cell {
  aspect-ratio: 1 / 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  border: 1px solid var(--line); background: var(--paper); cursor: pointer;
  font-family: var(--sans); color: var(--ink);
  transition: border-color .2s ease, background .2s ease;
}
.cal__cell--blank { border: 0; background: none; cursor: default; }
.cal__d { font-size: .82rem; }
.cal__cell .cal__mk { font-size: .8rem; }
.cal__cell--open:hover, .cal__cell--few:hover { border-color: var(--green); }
.cal__cell--past, .cal__cell--full { color: var(--muted); background: var(--cream-2); cursor: not-allowed; }
.cal__cell--past .cal__d, .cal__cell--past .cal__mk { opacity: .5; }
.cal__cell[aria-pressed="true"] { background: var(--green); border-color: var(--green); color: #fff; }
.cal__cell[aria-pressed="true"] .cal__mk { color: #fff; }

.cal__detail { margin-top: 20px; padding: 16px; background: var(--paper); border: 1px solid var(--line); }
.cal__detail[hidden] { display: none; }
.cal__detail-date { font-family: var(--serif); font-size: 1rem; letter-spacing: .04em; margin-bottom: 8px; }
.cal__detail-note { font-size: .76rem; color: var(--ink-soft); margin-bottom: 14px; line-height: 1.8; }
.cal__detail-btn { width: 100%; }
.cal__detail-btn:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }

.cal__disclaimer { margin-top: 16px; font-size: .72rem; color: var(--muted); line-height: 1.8; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .nav {
    position: fixed; inset: 0 0 0 auto; width: min(80vw, 330px);
    background: var(--cream); padding: 104px 30px 40px;
    transform: translateX(100%); transition: transform .4s ease;
    box-shadow: -12px 0 40px rgba(0,0,0,.14);
    overflow-y: auto;
  }
  .nav__list { flex-direction: column; align-items: flex-start; gap: 22px; }
  .nav__list a, .header.is-scrolled .nav__list a { color: var(--ink); font-size: .9rem; }
  body.nav-open .nav { transform: translateX(0); }
  .header__cta { display: none; }

  .nav__cta { display: block; margin-top: 12px; }
  .nav__cta a { color: #fff; }

  .nav__backdrop {
    display: block; position: fixed; inset: 0; z-index: 90;
    background: rgba(20,22,18,.42);
    opacity: 0; pointer-events: none; transition: opacity .4s ease;
  }
  body.nav-open .nav__backdrop { opacity: 1; pointer-events: auto; }
  body.nav-open { overflow: hidden; }
  .nav { z-index: 110; }

  .hamburger {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 44px; height: 44px; background: none; border: 0; cursor: pointer;
    margin-left: auto; z-index: 120;
  }
  .hamburger span { display: block; width: 24px; height: 1.5px; background: #fff; transition: transform .3s ease, opacity .3s ease; }
  .header.is-scrolled .hamburger span, body.nav-open .hamburger span { background: var(--ink); }
  body.nav-open .hamburger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  body.nav-open .hamburger span:nth-child(2) { opacity: 0; }
  body.nav-open .hamburger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .hero__side, .hero__caption { display: none; }
  .hero { padding-top: 120px; }
  .hero__title { font-size: clamp(2.3rem, 11vw, 3.2rem); }
  .hero__overlay {
    background: linear-gradient(0deg, rgba(26,28,22,.8) 0%, rgba(26,28,22,.34) 44%, rgba(26,28,22,.12) 72%, rgba(26,28,22,.32) 100%);
  }

  .about__grid { grid-template-columns: 1fr; }
  .about__figure figcaption { top: 22px; right: 22px; }

  .feature__cards { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }

  .reason { grid-template-columns: 1fr; gap: 20px; }
  .reason--reverse .reason__img { order: 0; }

  .facility__grid { grid-template-columns: repeat(2, 1fr); }
  .flow__grid { grid-template-columns: repeat(2, 1fr); row-gap: 44px; }
  .fstep:nth-child(3) { border-left: 0; }

  .voice__grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }

  .access__grid { grid-template-columns: 1fr; }
  .access__photo { min-height: 300px; order: -1; }
}

@media (max-width: 768px) {
  .infobar__grid { grid-template-columns: repeat(2, 1fr); }
  .infobar__item { border-left: 0; }
  .infobar__item:nth-child(even) { border-left: 1px solid var(--line); }
  .infobar__item:nth-child(n+3) { border-top: 1px solid var(--line); }

  .pricing__cards { grid-template-columns: 1fr; max-width: 420px; }
  .pricing__terms { grid-template-columns: repeat(2, 1fr); max-width: 420px; }
  .inclist { justify-content: flex-start; }
  .pricing__included { max-width: 420px; }
  .amenities { max-width: 420px; }

  /* スマホ固定予約バー */
  .mobilebar {
    display: flex; align-items: center; gap: 12px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: rgba(244,241,234,.96);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--line);
  }
  .mobilebar__info { display: flex; flex-direction: column; line-height: 1.35; }
  .mobilebar__price { font-family: var(--serif); font-weight: 500; font-size: .92rem; color: var(--ink); }
  .mobilebar__note { font-size: .66rem; color: var(--muted); letter-spacing: .03em; }
  .mobilebar__btn { margin-left: auto; padding: .85em 1.35em; font-size: .82rem; min-height: 46px; }
  body.nav-open .mobilebar { display: none; }

  .footer { padding-bottom: calc(88px + env(safe-area-inset-bottom)); }
  /* 固定予約バーでファーストビューの補助テキストが隠れないように */
  .hero { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
}

@media (max-width: 430px) {
  .hero__label { font-size: .68rem; letter-spacing: .04em; padding: 7px 13px; }
}

@media (max-width: 560px) {
  .facility__grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .amenities__list { grid-template-columns: repeat(2, 1fr); }
  .flow__grid { grid-template-columns: 1fr; }
  .fstep { border-left: 0; border-top: 1px solid var(--line); padding-top: 30px; }
  .fstep:first-child { border-top: 0; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__nav { margin-left: 0; }
  .footer__copy { text-align: left; }
  .btn { font-size: .9rem; padding: 1em 2em; }
  .hero__cta { width: 100%; }
}

@media (max-width: 400px) {
  .infobar__num { font-size: 1.4rem; }
  .pricing__terms { grid-template-columns: 1fr; }
}

/* ============================================================
   prefers-reduced-motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; scroll-snap-type: none; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}