/* =========================================================
   いこい湯  |  下町モダン
   生成り × 藍 × 檜 / サウナ面はダーク × 熱の残照アンバー
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  --nariiro:   #F4EEE1;   /* 生成り base */
  --nariiro-2: #EAE1CF;   /* deeper cream */
  --washi:     #FBF8F1;   /* 湯けむりの白 */
  --sumi:      #211E1A;   /* 墨 text */
  --sumi-soft: #504a41;   /* muted text */
  --sumi-faint:#8a8377;

  --ai:        #255066;   /* 藍 accent（主）*/
  --ai-deep:   #173341;   /* 深藍 */
  --ai-ink:    #0f2530;   /* darkest indigo */
  --teal:      #17746A;   /* ロゴのティール（差し色）*/

  --hinoki:    #B98A54;   /* 檜・木 */
  --hinoki-pale:#D8C3A0;
  --hinoki-soft:#efe4d1;

  --sauna:     #171310;   /* サウナ炭墨 */
  --sauna-2:   #241a13;
  --ember:     #C8642B;   /* 熱の残照アンバー */
  --ember-glow:#E68A46;
  --mizu:      #3E7C8C;   /* 水風呂 水縹 */

  --line:      rgba(33,30,26,.14);
  --line-soft: rgba(33,30,26,.08);

  --maxw: 1180px;
  --gut: clamp(20px, 5vw, 64px);

  --serif: "Shippori Mincho B1", "Hiragino Mincho ProN", serif;
  --gothic: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
  --body: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;

  --ease: cubic-bezier(.16,1,.3,1);
  --spring: cubic-bezier(.34,1.56,.64,1);
}

/* ---------- Reset-ish ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  color: var(--sumi);
  background: var(--nariiro);
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  /* 行頭禁則 */
  line-break: strict;
  word-break: normal;
  overflow-wrap: anywhere;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--ai); color: var(--washi); }

/* Japanese line-break hygiene */
h1,h2,h3,p,li,span { line-break: strict; text-wrap: pretty; }
.nowrap { white-space: nowrap; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); }
.section { padding-block: clamp(76px, 12vw, 150px); position: relative; }

/* section eyebrow: 章番号 + 藍の細線 + ラベル */
.eyebrow {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: clamp(26px, 4vw, 44px);
  font-family: var(--gothic);
  font-weight: 500;
}
.eyebrow .num {
  font-size: 12px; letter-spacing: .28em; color: var(--teal);
  font-weight: 700;
}
.eyebrow .bar { width: 46px; height: 1px; background: var(--ai); opacity: .55; }
.eyebrow .lbl {
  font-size: 12px; letter-spacing: .34em; color: var(--sumi-soft);
}

.title {
  font-family: var(--gothic);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 60px);
  line-height: 1.18;
  letter-spacing: .04em;
  margin: 0 0 .5em;
}
.title.mincho { font-family: var(--serif); font-weight: 800; letter-spacing: .06em; }
.lead {
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--sumi-soft);
  line-height: 2.1;
  max-width: 40em;
}
.lead.center { margin-inline: auto; text-align: center; }

/* ==========================================================
   Loader — 藍暖簾が揺れて割れる（CSSフェイルセーフ内蔵）
   ========================================================== */
#loader {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  /* 地色をヒーローと同じ濃紺に合わせ、フェード中に色が濁らないようにする */
  background: linear-gradient(180deg, #123946 0%, #0e2b38 100%);
  overflow: hidden;
  opacity: 1;
  will-change: opacity;
  /* JSが死んでもCSSだけで最後は消える（フェイルセーフ）*/
  animation: loaderOut 1.4s ease 2.8s forwards;
}
/* 動かさず、その場で静かに溶暗する純フェードアウト */
#loader.done { animation: loaderOut 1.4s ease forwards; }
@keyframes loaderOut {
  0%   { opacity: 1; }
  100% { opacity: 0; visibility: hidden; pointer-events: none; }
}
/* 退場中は暖簾の揺れを止める（ガタつかせない）*/
#loader.done .noren-panel { animation-play-state: paused; }
.noren {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: min(560px, 86vw); height: 60%;
  display: flex; gap: 6px;
  transform-origin: top center;
}
.noren-panel {
  flex: 1; background: linear-gradient(180deg, #2a566f 0%, #3d7891 100%);
  border-radius: 0 0 4px 4px;
  box-shadow: 0 26px 54px rgba(0,0,0,.4);
  transform-origin: top center;
  animation: norenSway 2.4s ease-in-out infinite;
}
.noren-panel:nth-child(2) { animation-delay: -.4s; }
.noren-panel:nth-child(3) { animation-delay: -.8s; }
.noren-panel:nth-child(4) { animation-delay: -1.2s; }
@keyframes norenSway {
  0%,100% { transform: rotate(-.5deg) skewX(-.4deg); }
  50%     { transform: rotate(.5deg) skewX(.4deg); }
}
.loader-mark {
  position: relative; z-index: 2; text-align: center;
  opacity: 0; animation: markIn .8s var(--ease) .2s forwards;
}
.loader-mark img { width: min(300px, 60vw); height: auto; display: block; margin: 0 auto; }
.loader-mark .kanji {
  font-family: var(--serif); font-weight: 800;
  font-size: clamp(30px, 7vw, 54px); color: var(--washi);
  letter-spacing: .3em; text-indent: .3em;
}
.loader-mark .romaji {
  margin-top: 10px; font-family: var(--gothic);
  font-size: 11px; letter-spacing: .5em; text-indent: .5em;
  color: rgba(251,248,241,.7);
}
@keyframes markIn { to { opacity: 1; } }

/* ==========================================================
   Header
   ========================================================== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 800;
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(16px,2.2vw,26px) var(--gut);
  transition: padding .4s var(--ease), background .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header.solid {
  background: rgba(244,238,225,.9);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line-soft);
  padding-block: clamp(11px,1.6vw,16px);
}
.brand { display: flex; align-items: center; line-height: 0; }
.brand img { height: clamp(26px, 3.4vw, 34px); width: auto; display: block; transition: height .4s var(--ease); }
.site-header.solid .brand img { height: clamp(22px, 2.8vw, 28px); }
/* 暗色地=クリーム／明色地(solid)=ティール に自動切替 */
.brand .logo-teal { display: none; }
.brand .logo-cream { display: block; }
.site-header.solid .brand .logo-cream { display: none; }
.site-header.solid .brand .logo-teal { display: block; }

.nav { display: flex; align-items: center; gap: clamp(18px,2vw,30px); }
.nav a {
  font-family: var(--gothic); font-size: 13px; font-weight: 500;
  letter-spacing: .12em; color: var(--sumi); position: relative; padding-block: 4px;
}
.site-header.on-hero .nav a { color: rgba(251,248,241,.9); }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px;
  background: currentColor; transition: width .3s var(--ease);
}
.nav a:hover::after { width: 100%; }
.nav .cta {
  font-family: var(--gothic); font-size: 12.5px; font-weight: 700;
  letter-spacing: .1em; color: var(--washi);
  background: var(--ai); padding: 11px 22px; border-radius: 2px;
  transition: background .3s var(--ease), transform .3s var(--ease);
}
.nav .cta:hover { background: var(--ai-deep); transform: translateY(-2px); }
.nav .cta::after { display: none; }

.burger { display: none; }
.drawer { display: none; } /* モバイル以外では非表示（下のmedia内でflex化）*/

/* ==========================================================
   Hero
   ========================================================== */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: flex-end;
  overflow: hidden; color: var(--washi);
  background: var(--ai-ink);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-color: #113040; /* fallback while画像未到着 */
  background-image:
    linear-gradient(0deg, rgba(9,22,29,.88) 0%, rgba(9,22,29,.12) 52%, rgba(9,22,29,.44) 100%),
    radial-gradient(120% 90% at 50% 6%, rgba(37,80,102,.35), transparent 60%),
    url("../images/hero.jpg");
  background-size: cover, cover, cover;
  background-position: center, center, center 42%;
  background-repeat: no-repeat;
}
/* 壁絵（富士）と湯けむりの装飾レイヤー */
.hero-fuji {
  position: absolute; z-index: 1; left: 50%; bottom: 30%;
  transform: translateX(-50%);
  width: min(1100px, 130vw); opacity: .16; pointer-events: none;
  color: var(--washi);
}
.steam {
  position: absolute; z-index: 1; bottom: -60px; border-radius: 50%;
  background: radial-gradient(circle at 50% 60%, rgba(251,248,241,.5), rgba(251,248,241,0) 70%);
  filter: blur(14px); pointer-events: none;
  animation: rise linear infinite;
}
@keyframes rise {
  0%   { transform: translateY(0) scale(1); opacity: 0; }
  15%  { opacity: .55; }
  80%  { opacity: .4; }
  100% { transform: translateY(-78vh) scale(1.9); opacity: 0; }
}

.hero-inner {
  position: relative; z-index: 3;
  width: 100%; max-width: var(--maxw); margin: 0 auto;
  padding: 0 var(--gut) clamp(64px, 10vh, 120px);
}
.hero-eyebrow {
  font-family: var(--gothic); font-size: 12px; font-weight: 500;
  letter-spacing: .4em; text-indent: .4em; color: rgba(251,248,241,.82);
  margin-bottom: 26px; display: flex; align-items: center; gap: 14px;
}
.hero-eyebrow::before { content:""; width: 34px; height: 1px; background: var(--ember); }
.hero h1 {
  font-family: var(--serif); font-weight: 800;
  font-size: clamp(44px, 9vw, 116px);
  line-height: 1.06; letter-spacing: .04em; margin: 0;
  text-shadow: 0 4px 40px rgba(0,0,0,.35);
}
.hero h1 .l2 { display: block; }
.hero-sub {
  margin-top: clamp(22px, 3vw, 34px);
  font-size: clamp(14px, 1.5vw, 17px); line-height: 2.1;
  color: rgba(251,248,241,.9); max-width: 30em;
}
/* 大見出しなし・写真主役の静かなリード */
.hero-lead {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(19px, 2.8vw, 32px);
  line-height: 1.85; letter-spacing: .06em;
  color: var(--washi); max-width: 22em;
  word-break: keep-all; /* サウナ等を語中で割らない */
  text-shadow: 0 4px 30px rgba(0,0,0,.4);
}
.hero-scrollhint { display: none; } /* Scroll誘導は使わない */

/* ==========================================================
   About（何者でもなくなる場所）
   ========================================================== */
.about { background: var(--nariiro); }
.pullquote {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(26px, 4.6vw, 52px); line-height: 1.5;
  letter-spacing: .05em; color: var(--sumi); margin: 0 0 .8em;
}
.pullquote .em { color: var(--ai); }
.about-grid {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(30px,5vw,72px);
  align-items: center;
}
.about-body p { margin: 0 0 1.4em; color: var(--sumi-soft); }
.about-body p:last-child { margin-bottom: 0; }
.about-figure {
  aspect-ratio: 4/5; border-radius: 3px; overflow: hidden;
  background-color: #e5d9c2;
  background-image:
    url("../images/about.jpg"),
    linear-gradient(135deg, #efe4d1 0%, #e1d2b6 52%, #d7c9b3 100%);
  background-size: cover, cover; background-position: center, center;
  background-repeat: no-repeat;
  position: relative; box-shadow: 0 30px 60px rgba(23,51,65,.14);
}
.about-figure .cap {
  position: absolute; left: 18px; bottom: 16px; z-index: 2;
  font-family: var(--gothic); font-size: 11px; letter-spacing: .2em;
  color: var(--washi); text-shadow: 0 2px 10px rgba(0,0,0,.5);
}

/* ==========================================================
   Bath（湯に浸かる）
   ========================================================== */
.bath { background: var(--washi); }
.yu-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px;
  margin-top: clamp(30px,4vw,52px);
  background: var(--line-soft); border: 1px solid var(--line-soft);
}
.yu-card {
  background: var(--washi); padding: clamp(24px,3vw,38px) clamp(20px,2.4vw,30px);
  transition: background .4s var(--ease), transform .4s var(--ease);
}
.yu-card:hover { background: var(--nariiro); transform: translateY(-3px); }
.yu-card .temp {
  font-family: var(--gothic); font-weight: 700; font-size: 13px;
  letter-spacing: .1em; color: var(--ai); margin-bottom: 14px;
}
.yu-card h3 {
  font-family: var(--gothic); font-weight: 700; font-size: clamp(17px,2vw,21px);
  margin: 0 0 10px; letter-spacing: .04em;
}
.yu-card p { font-size: 13.5px; line-height: 1.9; color: var(--sumi-soft); margin: 0; }

/* ==========================================================
   Sauna（熱を浴びる）— ダーク面
   ========================================================== */
.sauna {
  background: var(--sauna); color: var(--washi); position: relative;
  overflow: hidden;
}
.sauna::before {
  content: ""; position: absolute; z-index: 0; inset: 0;
  background:
    radial-gradient(60% 55% at 78% 18%, rgba(200,100,43,.28), transparent 62%),
    radial-gradient(50% 40% at 10% 90%, rgba(62,124,140,.16), transparent 65%);
  pointer-events: none;
  animation: emberBreath 7s ease-in-out infinite;
}
@keyframes emberBreath { 0%,100%{opacity:.75;} 50%{opacity:1;} }
.sauna .wrap { position: relative; z-index: 1; }
.sauna .eyebrow .num, .sauna .eyebrow .bar { color: var(--ember); background: var(--ember); }
.sauna .eyebrow .lbl { color: rgba(251,248,241,.6); }
.sauna .title { color: var(--washi); }
.sauna .lead { color: rgba(251,248,241,.78); }

.totonoi {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px,2vw,26px);
  margin-top: clamp(38px,5vw,60px);
}
.tt-step {
  position: relative; padding: clamp(26px,3vw,36px) clamp(22px,2.4vw,30px);
  border: 1px solid rgba(251,248,241,.12); border-radius: 3px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
  transition: border-color .4s var(--ease), transform .4s var(--ease);
}
.tt-step:hover { border-color: rgba(230,138,70,.5); transform: translateY(-4px); }
.tt-step .st-n {
  font-family: var(--gothic); font-weight: 700; font-size: 12px; letter-spacing: .2em;
  color: var(--ember); margin-bottom: 18px;
}
.tt-step h3 {
  font-family: var(--gothic); font-weight: 700; font-size: clamp(19px,2.2vw,24px);
  margin: 0 0 12px; letter-spacing: .06em;
}
.tt-step.is-mizu h3 { color: var(--mizu); }
.tt-step p { font-size: 13.5px; line-height: 1.95; color: rgba(251,248,241,.72); margin: 0; }
.tt-arrow { color: var(--ember); opacity: .5; }
.sauna-note {
  margin-top: clamp(30px,4vw,44px); font-family: var(--serif);
  font-size: clamp(20px,3vw,30px); letter-spacing: .06em; color: var(--washi);
}
/* ととのいカードに実写を敷く（暗幕で可読性確保）*/
.tt-step.ph { position: relative; overflow: hidden; background-size: cover; background-position: center; border-color: rgba(251,248,241,.18); }
.tt-step.ph::after { content: ""; position: absolute; inset: 0; z-index: 0; background: linear-gradient(180deg, rgba(20,16,13,.48), rgba(20,16,13,.86)); }
.tt-step.ph > * { position: relative; z-index: 1; }
.tt-step.s-mizu { background-image: url("../images/mizuburo.jpg"); }
.tt-step.s-gai  { background-image: url("../images/gaikiyoku.jpg"); }

/* ==========================================================
   Relax（憩う）
   ========================================================== */
.relax { background: var(--nariiro); }
.relax-grid {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(30px,5vw,72px);
  align-items: center;
}
.relax-figure {
  aspect-ratio: 5/4; border-radius: 3px; overflow: hidden;
  background-color: #e5d9c2;
  background-image:
    url("../images/relax.jpg"),
    linear-gradient(135deg, #ece3d0 0%, #dbccb0 55%, #cfc1a8 100%);
  background-size: cover, cover; background-position: center, center;
  background-repeat: no-repeat;
  box-shadow: 0 30px 60px rgba(23,51,65,.12);
}
.relax-figure.fig-bandai {
  background-image: url("../images/bandai.jpg"), linear-gradient(135deg, #ece3d0 0%, #dbccb0 55%, #cfc1a8 100%);
}
.relax ul { list-style: none; padding: 0; margin: 24px 0 0; }
.relax li {
  padding: 16px 0 16px 30px; position: relative; border-top: 1px solid var(--line);
  color: var(--sumi-soft); font-size: 15px;
}
.relax li:last-child { border-bottom: 1px solid var(--line); }
.relax li::before {
  content: ""; position: absolute; left: 4px; top: 25px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--hinoki);
}

/* ==========================================================
   通う、ということ — 帯
   ========================================================== */
.kayou {
  background: var(--ai-deep); color: var(--washi); text-align: center;
  position: relative; overflow: hidden;
}
.kayou::before {
  content:""; position:absolute; inset:0;
  background: radial-gradient(70% 120% at 50% 0%, rgba(255,255,255,.06), transparent 60%);
}
.kayou .wrap { position: relative; z-index: 1; }
.kayou h2 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(26px,4.4vw,46px); line-height: 1.55; letter-spacing: .05em;
  margin: 0 0 .6em;
}
.kayou p { color: rgba(251,248,241,.8); max-width: 34em; margin: 0 auto; }

/* ==========================================================
   Guide（ご利用案内）
   ========================================================== */
.guide { background: var(--washi); }
.guide-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,4vw,56px);
  margin-top: clamp(30px,4vw,48px);
}
.price-block h3, .info-block h3 {
  font-family: var(--gothic); font-weight: 700; font-size: 14px;
  letter-spacing: .16em; color: var(--ai); margin: 0 0 20px;
  padding-bottom: 12px; border-bottom: 2px solid var(--ai);
  display: inline-block;
}
.price-row, .info-row {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line-soft);
}
.price-row .k, .info-row .k { color: var(--sumi-soft); font-size: 14px; letter-spacing: .04em; }
.price-row .v { font-family: var(--gothic); font-weight: 700; font-size: 15px; }
.price-row .v .yen { font-size: 22px; letter-spacing: .02em; color: var(--teal); }
.info-row .v { font-size: 14px; text-align: right; font-weight: 500; }
.guide-note { margin-top: 18px; font-size: 12px; color: var(--sumi-faint); }

/* ==========================================================
   Access
   ========================================================== */
.access { background: var(--nariiro-2); }
.access-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,4vw,56px);
  align-items: stretch; margin-top: clamp(30px,4vw,48px);
}
.map-frame {
  aspect-ratio: 16/11; border-radius: 3px; overflow: hidden;
  background: var(--hinoki-soft); border: 1px solid var(--line);
  min-height: 260px;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.2) contrast(.95); }
.access-info { display: flex; flex-direction: column; justify-content: center; }
.access-info .adr { font-size: clamp(18px,2.4vw,24px); font-family: var(--gothic); font-weight: 700; letter-spacing: .04em; margin: 0 0 10px; }
.access-info p { color: var(--sumi-soft); margin: 0 0 8px; }
.access-info .tel { font-family: var(--gothic); font-weight: 700; font-size: 26px; color: var(--ai); letter-spacing: .04em; }

/* ==========================================================
   Footer
   ========================================================== */
.site-footer { background: var(--sumi); color: rgba(251,248,241,.85); }
.footer-top {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(30px,5vw,64px);
  padding-block: clamp(60px,8vw,96px);
}
.footer-brand .footer-logo { height: clamp(40px, 5vw, 52px); width: auto; display: block; }
.footer-brand .name {
  font-family: var(--serif); font-weight: 800; font-size: 34px;
  letter-spacing: .24em; text-indent: .24em; color: var(--washi);
}
.footer-brand .kabu { font-family: var(--gothic); font-size: 11px; letter-spacing: .2em; color: rgba(251,248,241,.55); display:block; margin-bottom: 6px; }
.footer-brand .tag { margin-top: 18px; font-family: var(--serif); font-size: 15px; color: rgba(251,248,241,.7); letter-spacing: .08em; }
.facility-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.facility-table th, .facility-table td {
  text-align: left; padding: 11px 0; border-bottom: 1px solid rgba(251,248,241,.12);
  vertical-align: top;
}
.facility-table th { width: 34%; font-weight: 500; color: rgba(251,248,241,.55); letter-spacing: .06em; }
.facility-table td { color: rgba(251,248,241,.9); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-block: 24px; border-top: 1px solid rgba(251,248,241,.12);
  font-size: 11px; letter-spacing: .1em; color: rgba(251,248,241,.5);
  flex-wrap: wrap; gap: 10px;
}
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-nav a:hover { color: var(--washi); }

/* ==========================================================
   Sub-page hero (detail pages)
   ========================================================== */
.page-hero {
  padding: clamp(150px,20vh,220px) 0 clamp(56px,8vw,88px);
  background: var(--ai-ink); color: var(--washi); position: relative; overflow: hidden;
}
.page-hero.dark { background: var(--sauna); }
.page-hero::before {
  content:""; position:absolute; inset:0;
  background: radial-gradient(80% 120% at 50% -10%, rgba(37,80,102,.4), transparent 60%);
}
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero.sauna-hero {
  background-image:
    linear-gradient(180deg, rgba(23,19,16,.62), rgba(23,19,16,.9)),
    url("../images/sauna.jpg");
  background-size: cover; background-position: center;
}
.page-hero.sauna-hero::before { opacity: .5; }
.page-hero .eyebrow .lbl { color: rgba(251,248,241,.6); }
.page-hero .eyebrow .num, .page-hero .eyebrow .bar { color: var(--ember); background: var(--ember); }
.page-hero h1 { font-family: var(--serif); font-weight: 800; font-size: clamp(34px,6vw,68px); letter-spacing: .05em; margin: 0; }
.page-hero p { margin-top: 20px; color: rgba(251,248,241,.82); max-width: 34em; }

/* ==========================================================
   Reveal animation
   ========================================================== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }

/* progress bar */
#progress { position: fixed; top: 0; left: 0; height: 2px; width: 0; background: var(--ember); z-index: 900; transition: width .1s linear; }

/* mobile bottom CTA */
.m-cta { display: none; }

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 900px) {
  .about-grid, .relax-grid, .guide-grid, .access-grid, .footer-top { grid-template-columns: 1fr; }
  .relax-grid { direction: ltr; }
  .relax-figure { order: -1; }
  .yu-grid { grid-template-columns: repeat(2, 1fr); }
  .totonoi { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  :root { --gut: 20px; }
  .nav { display: none; }
  .burger {
    display: flex; flex-direction: column; gap: 5px; padding: 8px; background: none; border: 0;
  }
  .burger span { width: 24px; height: 2px; background: var(--sumi); transition: .3s var(--ease); }
  .site-header.on-hero .burger span { background: var(--washi); }
  .site-header.solid .burger span { background: var(--sumi); }

  /* mobile drawer */
  .drawer {
    position: fixed; inset: 0; z-index: 850; background: var(--ai-ink);
    color: var(--washi); display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 26px;
    visibility: hidden; opacity: 0; transition: opacity .4s var(--ease), visibility .4s;
  }
  .drawer.open { visibility: visible; opacity: 1; }
  .drawer a { font-family: var(--serif); font-size: 24px; letter-spacing: .1em; }
  .drawer .d-close { position: absolute; top: 22px; right: 22px; font-size: 30px; background: none; border: 0; color: var(--washi); }

  .hero { min-height: 92svh; }
  .hero-bg {
    background-image:
      linear-gradient(0deg, rgba(9,22,29,.92) 0%, rgba(9,22,29,.12) 52%, rgba(9,22,29,.4) 100%),
      url("../images/hero-sp.jpg");
    background-position: center center;
  }
  .yu-grid { grid-template-columns: 1fr; }

  /* mobile bottom CTA bar */
  .m-cta {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 820;
    background: rgba(23,51,65,.96); backdrop-filter: blur(8px);
    box-shadow: 0 -2px 20px rgba(0,0,0,.2);
  }
  .m-cta a {
    flex: 1; text-align: center; padding: 15px 8px; color: var(--washi);
    font-family: var(--gothic); font-weight: 700; font-size: 13px; letter-spacing: .06em;
  }
  .m-cta a.tel { background: var(--ember); }
  body { padding-bottom: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}