/* =========================================================
   スナック — style.css
   色：深い黒＋生成り白＋ルージュレッド（アクセントはルージュの濃淡だけ）
   ========================================================= */
:root {
  --bg: #0F0A0C;          /* 赤みを含んだ深い黒 */
  --bg-2: #180F13;        /* 1段明るい面（ワインがかった黒） */
  --text: #F3ECE4;        /* 生成り寄りの白 */
  --text-sub: rgba(243, 236, 228, 0.62);
  --line: rgba(243, 236, 228, 0.14);
  --rouge: #C8243C;       /* ルージュレッド */
  --rouge-soft: rgba(200, 36, 60, 0.35);

  --font-en: "Bodoni Moda", "Times New Roman", serif;
  --font-head: "Shippori Mincho", "Yu Mincho", serif;
  --font-body: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;

  --ease: cubic-bezier(.22, .61, .36, 1);   /* すっと動き出して、ゆっくり止まる */
  --gutter: clamp(24px, 6vw, 72px);
  --section: clamp(112px, 16vw, 208px);     /* セクションの上下の余白 */
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 2.1;
  letter-spacing: 0.08em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.is-loading { overflow: hidden; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ol { margin: 0; padding: 0; }
em { font-style: italic; }
::selection { background: var(--rouge); color: var(--text); }

/* キーボードで操作するとき、今どこにいるかを細い線で示す */
a:focus-visible, summary:focus-visible {
  outline: 1px solid var(--text);
  outline-offset: 5px;
}

/* 画面全体にうっすら粒子感（フィルムのざらつき） */
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 90;
  opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
/* 画面の四隅を暗く落とす（ビネット）→ スポットライトの中にいる感じ */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 40;
  background: radial-gradient(ellipse 120% 90% at 50% 45%, transparent 55%, rgba(0,0,0,.55) 100%);
}

/* ---------- 0. オープニング ---------- */
.opening {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background: var(--bg);
  pointer-events: none;
  transition: opacity .9s ease;
}
.opening__logo {
  font-family: var(--font-en); font-style: italic;
  font-size: clamp(40px, 8vw, 80px);
  line-height: 1;
  letter-spacing: .04em;
  text-shadow: 0 0 30px rgba(200,36,60,.8);
  opacity: 0;
  animation: fadeIn .9s ease forwards;
}
body.is-open .opening { opacity: 0; }
body.is-done .opening { display: none; }
@keyframes fadeIn { to { opacity: 1; } }

/* ---------- ヘッダー ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px var(--gutter);
  transition: background .8s var(--ease), padding .8s var(--ease);
}
.header.is-scrolled {
  background: rgba(15, 10, 12, .78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding-top: 14px; padding-bottom: 14px;
}
.header__logo {
  font-family: var(--font-en); font-style: italic;
  font-size: 24px; letter-spacing: .04em;
}
.header__nav { display: none; gap: 40px; margin-right: 244px; }
.header__nav a {
  font-family: var(--font-en);
  font-size: 13px; letter-spacing: .16em;
  position: relative;
}
.header__nav a::after {
  content: ""; position: absolute; left: 0; bottom: 2px;
  width: 100%; height: 1px; background: var(--rouge);
  transform: scaleX(0); transform-origin: right;
  transition: transform .8s var(--ease);
}
.header__nav a:hover::after,
.header__nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
@media (min-width: 900px) { .header__nav { display: flex; } }

/* ---------- 1. ファーストビュー ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid; place-items: center;
  padding: 140px var(--gutter) 130px;
  overflow: hidden;
  text-align: center;
}
/* とてもゆっくり回る、シルクのような光 */
.hero__silk {
  position: absolute; inset: -40%;
  background:
    conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(200,36,60,.28) 60deg, transparent 120deg, rgba(110,12,31,.4) 200deg, transparent 260deg, rgba(200,36,60,.2) 320deg, transparent 360deg);
  filter: blur(60px);
  animation: silk 120s linear infinite;
}
@keyframes silk { to { transform: rotate(360deg); } }
/* マウスにゆっくりついてくる灯り（スマホでは中央で静かに呼吸） */
.hero__spot {
  position: absolute;
  width: min(110vw, 760px); aspect-ratio: 1;
  left: var(--mx, 50%); top: var(--my, 50%);
  translate: -50% -50%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,42,69,.55) 0%, rgba(200,36,60,.18) 34%, transparent 64%);
  filter: blur(26px);
  transition: left 2.4s var(--ease), top 2.4s var(--ease);
  animation: breathe 14s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { opacity: .82; }
  50% { opacity: 1; }
}
/* 背景に大きく透ける店名の文字 */
.hero__watermark {
  position: absolute; left: 50%; top: 52%;
  translate: -50% -50%;
  font-family: var(--font-en); font-style: italic;
  font-size: clamp(150px, 34vw, 480px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(243,236,228,.08);
  white-space: nowrap;
  pointer-events: none;
}
.hero__inner { position: relative; }
.hero__en {
  font-family: var(--font-en);
  font-size: clamp(13px, 1.8vw, 17px);
  color: var(--text-sub);
  margin-bottom: 32px;
  letter-spacing: .14em;
}
.hero__en em { color: var(--text); }
.hero__title {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(40px, 9vw, 92px);
  line-height: 1.5;
  letter-spacing: .16em;
  margin-right: -.16em;   /* 字間の分だけ右に寄るのを打ち消して、真ん中にそろえる */
  text-shadow: 0 0 40px rgba(200,36,60,.45);
}
.hero__title .char {
  display: inline-block;
  opacity: 0;
  transition: opacity 1.6s ease;
}
.hero__title.is-in .char { opacity: 1; }
.hero__title .char--accent {
  color: var(--rouge);
  text-shadow: 0 0 24px rgba(200,36,60,.8);
}
.hero__lead {
  margin-top: 44px;
  font-size: 14px;
  line-height: 2.2;
  color: var(--text-sub);
  letter-spacing: .18em;
  opacity: 0;
  transition: opacity 1.6s ease 1.4s;
}
.hero__title.is-in + .hero__lead { opacity: 1; }
.hero__scroll {
  position: absolute; bottom: 32px; left: 50%; translate: -50% 0;
  font-family: var(--font-en); font-style: italic;
  font-size: 12px; letter-spacing: .24em; color: var(--text-sub);
  padding-bottom: 52px;
}
.hero__scroll::after {
  content: ""; position: absolute; left: 50%; bottom: 0;
  width: 1px; height: 40px; background: var(--text-sub);
}
@media (max-width: 899px) { .hero__scroll { display: none; } }

/* ---------- 2. ゆっくり流れる文字 ---------- */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 22px 0;
}
.marquee__track {
  display: flex; align-items: center; gap: 44px;
  width: max-content;
  animation: marquee 110s linear infinite;
  font-family: var(--font-en);
  font-size: clamp(18px, 2.6vw, 28px);
  letter-spacing: .16em;
  white-space: nowrap;
}
.marquee__track em { color: var(--rouge); }
.marquee__track i { display: block; width: 44px; height: 1px; background: var(--rouge); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 見出し（英語＋日本語の2段） ---------- */
.sec-title {
  display: flex; flex-direction: column; align-items: center;
  margin-bottom: clamp(64px, 9vw, 104px);
  font-weight: normal;
  text-align: center;
}
.sec-title__en {
  font-family: var(--font-en); font-style: italic;
  font-size: clamp(28px, 4.4vw, 44px);
  letter-spacing: .22em;
  margin-right: -.22em;
  word-spacing: -.2em;     /* 字間を広げた分、単語のあいだが空きすぎないようにする */
  line-height: 1.4;
}
.sec-title__ja {
  font-family: var(--font-head);
  font-size: 13px; letter-spacing: .36em;
  margin-right: -.36em;
  line-height: 1.8;
  color: var(--text-sub);
}
/* 英語と日本語のあいだの、ルージュの小さな点 */
.sec-title__ja::before {
  content: ""; display: block;
  width: 6px; height: 6px; margin: 16px auto 18px;
  border-radius: 50%; background: var(--rouge);
  box-shadow: 0 0 12px var(--rouge);
}

/* スクロールで、ゆっくり浮かび上がる */
.fade {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 1.8s var(--ease), transform 1.8s var(--ease);
}
.fade.is-in { opacity: 1; transform: none; }

/* ---------- 仮の写真（本番では写真に差し替え） ---------- */
.ph {
  position: relative;
  width: 100%; height: 100%;
  background: var(--bg-2);
  overflow: hidden;
}
.ph::after {
  display: none; /* 【テスト】完成イメージ用にラベルを隠している */
  content: attr(data-label);
  position: absolute; left: 12px; bottom: 10px;
  font-size: 10px; letter-spacing: .1em;
  color: rgba(243,236,228,.4);
}
.ph--glass {
  background:
    radial-gradient(ellipse 30% 22% at 55% 42%, rgba(243,236,228,.35), transparent 70%),
    radial-gradient(circle at 40% 60%, var(--rouge) 0%, rgba(200,36,60,.2) 35%, transparent 65%),
    linear-gradient(160deg, #241a1d, #0d0a0b);
}
.ph--counter {
  background:
    linear-gradient(180deg, transparent 58%, rgba(200,36,60,.25) 60%, transparent 64%),
    radial-gradient(circle at 70% 30%, rgba(255,190,150,.35), transparent 40%),
    linear-gradient(200deg, #2a1e1f, #0e0b0c);
}
.ph--lip {
  background:
    radial-gradient(ellipse 45% 18% at 50% 55%, var(--rouge), transparent 70%),
    radial-gradient(circle at 50% 50%, rgba(200,36,60,.25), transparent 60%),
    linear-gradient(180deg, #1c1416, #0c090a);
}
.ph--s1 { background: radial-gradient(circle at 30% 40%, rgba(200,36,60,.7), transparent 55%), #1b1416; }
.ph--s2 { background: radial-gradient(circle at 70% 60%, rgba(255,200,160,.3), transparent 50%), linear-gradient(135deg, #231b1c, #0f0c0d); }
.ph--s3 { background: linear-gradient(90deg, transparent 45%, rgba(200,36,60,.5) 50%, transparent 55%), #161113; }
.ph--s4 { background: radial-gradient(ellipse at 50% 100%, rgba(200,36,60,.55), transparent 60%), #140f11; }

/* ---------- 3. Concept ---------- */
.concept, .price, .howto, .qa, .scenes {
  padding: var(--section) var(--gutter);
}
.concept__row {
  display: grid;
  gap: 44px;
  max-width: 1040px;
  margin: 0 auto clamp(96px, 14vw, 184px);
  align-items: center;
}
.concept__row:last-child { margin-bottom: 0; }
.arch {
  width: min(72vw, 360px);
  aspect-ratio: 3 / 4;
  margin: 0 auto;
  border-radius: 999px 999px 0 0;   /* アーチ型 */
  overflow: hidden;
  outline: 1px solid var(--line);
  outline-offset: 12px;
  box-shadow: 0 30px 80px -20px rgba(200,36,60,.35);   /* 写真の下にルージュの影 */
}
/* 写真が、ごくわずかに引いていく */
.arch .ph { transition: transform 3.2s var(--ease); transform: scale(1.06); }
.concept__row.is-in .arch .ph { transform: scale(1); }
.concept__text { text-align: center; }
.concept__num {
  font-family: var(--font-en); font-style: italic;
  font-size: 15px; letter-spacing: .2em; color: var(--rouge);
  margin-bottom: 14px;
}
.concept__head {
  font-family: var(--font-head); font-weight: 500;
  font-size: clamp(24px, 3.8vw, 36px);
  line-height: 1.8; letter-spacing: .14em;
  margin-bottom: 28px;
}
.concept__text p:not(.concept__num) { color: var(--text-sub); }
@media (min-width: 900px) {
  .concept__row { grid-template-columns: 1fr 1fr; gap: 96px; }
  .concept__text { text-align: left; }
  .concept__row--rev .arch { order: 2; }
}

/* ---------- 4. Price ---------- */
.price { background: var(--bg-2); text-align: center; }
.price__lead {
  font-family: var(--font-head);
  font-size: clamp(17px, 2.4vw, 20px);
  letter-spacing: .2em;
  margin-top: calc(clamp(64px, 9vw, 104px) * -0.4);
  margin-bottom: 64px;
}
.price__list {
  display: grid; gap: 1px;
  max-width: 840px; margin: 0 auto;
  background: var(--line);
  border: 1px solid var(--line);
}
.price__item {
  background: var(--bg-2);
  padding: 60px 20px 54px;
}
.price__label {
  font-family: var(--font-en); font-style: italic;
  font-size: 17px; letter-spacing: .12em; color: var(--text-sub);
}
.price__label em { color: var(--rouge); }
.price__value {
  font-family: var(--font-en);
  font-size: clamp(56px, 11vw, 96px);
  line-height: 1.2;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  margin: 12px 0 8px;
}
.price__value .yen { font-family: var(--font-body); font-size: .3em; vertical-align: 1em; margin-right: .16em; color: var(--rouge); }
.price__note { font-size: 13px; color: var(--text-sub); letter-spacing: .24em; }
.price__foot { margin-top: 36px; font-size: 12px; color: var(--text-sub); }
@media (min-width: 700px) { .price__list { grid-template-columns: 1fr 1fr; } }

/* ---------- 5. How to ---------- */
.howto__list {
  list-style: none;
  display: grid; gap: 24px;
  max-width: 1040px; margin: 0 auto;
}
.howto__step {
  position: relative;
  padding: 52px 16px 48px;
  border: 1px solid var(--line);
  border-radius: 999px 999px 24px 24px;   /* アーチの形でそろえる */
  text-align: center;
}
.howto__num {
  display: block;
  font-family: var(--font-en); font-style: italic;
  font-size: 36px; line-height: 1;
  color: var(--rouge);
  margin: 18px 0 24px;
}
.howto__step h3 {
  font-family: var(--font-head); font-weight: 500;
  font-size: 19px; letter-spacing: .16em;
  margin-bottom: 14px;
}
.howto__step p { font-size: 14px; letter-spacing: .04em; color: var(--text-sub); }
@media (min-width: 960px) {
  /* 3枚を横に並べる。幅が狭めのPCでは、文が変な位置で折り返さないよう少し詰める */
  .howto__list { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .howto__step { padding-left: 12px; padding-right: 12px; }
  .howto__step p { font-size: 13px; letter-spacing: .02em; }
}
@media (min-width: 1200px) {
  .howto__list { gap: 32px; }
  .howto__step { padding-left: 16px; padding-right: 16px; }
  .howto__step p { font-size: 14px; letter-spacing: .04em; }
}

/* ---------- 6. Q&A ---------- */
.qa { background: var(--bg-2); }
.qa__list { max-width: 720px; margin: 0 auto; border-top: 1px solid var(--line); }
.qa__item { border-bottom: 1px solid var(--line); }
.qa__item summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 30px 48px 30px 44px;
  font-family: var(--font-head);
  font-size: 17px; letter-spacing: .1em; line-height: 1.8;
}
.qa__item summary::-webkit-details-marker { display: none; }
.qa__item summary::before {
  content: "Q.";
  position: absolute; left: 4px; top: 28px;
  font-family: var(--font-en); font-style: italic;
  font-size: 19px; color: var(--rouge);
}
.qa__item summary::after {
  content: "";
  position: absolute; right: 12px; top: 50%;
  width: 10px; height: 10px;
  border-right: 1px solid var(--text); border-bottom: 1px solid var(--text);
  transform: translateY(-75%) rotate(45deg);
  transition: transform .8s var(--ease);
}
.qa__item[open] summary::after { transform: translateY(-25%) rotate(-135deg); }
.qa__item p {
  padding: 0 20px 34px 44px;
  color: var(--text-sub); font-size: 14px;
}

/* ---------- 7. Scenes（逆方向にゆっくり流れる2列） ---------- */
.scenes { padding-left: 0; padding-right: 0; overflow: hidden; }
.scenes__row { overflow: hidden; margin-bottom: 20px; }
.scenes__track {
  display: flex; gap: 20px;
  width: max-content;
  animation: marquee 120s linear infinite;
}
.scenes__row--rev .scenes__track { animation-direction: reverse; }
.scenes__track .ph {
  width: clamp(200px, 28vw, 340px);
  height: auto;
  aspect-ratio: 4 / 3;
  flex-shrink: 0;
  border-radius: 2px;
}
.scenes__row--rev .scenes__track .ph { aspect-ratio: 1 / 1; width: clamp(160px, 20vw, 260px); }

/* ---------- 8. Reserve ---------- */
.reserve {
  position: relative;
  padding: clamp(136px, 20vw, 248px) var(--gutter);
  text-align: center;
  overflow: hidden;
}
.reserve__light {
  position: absolute; left: 50%; bottom: -45%;
  width: min(140vw, 1100px); aspect-ratio: 1;
  translate: -50% 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,36,60,.5), transparent 60%);
  filter: blur(40px);
  pointer-events: none;
}
.reserve > *:not(.reserve__light) { position: relative; }
.reserve__en {
  font-family: var(--font-en);
  font-size: clamp(17px, 2.4vw, 22px);
  letter-spacing: .1em;
  color: var(--text-sub); margin-bottom: 22px;
}
.reserve__title {
  font-family: var(--font-head); font-weight: 500;
  font-size: clamp(32px, 6.4vw, 64px);
  letter-spacing: .16em; line-height: 1.5;
  margin-right: -.16em;
  margin-bottom: 36px;
  text-shadow: 0 0 40px rgba(200,36,60,.5);
}
.reserve__lead { color: var(--text-sub); margin-bottom: 60px; }
@media (max-width: 480px) {
  /* スマホで1行目が中途半端に折り返さないよう、少しだけ詰める */
  .reserve__lead { font-size: 13px; letter-spacing: .02em; }
}
.btn {
  display: inline-flex; align-items: center; gap: 18px;
  padding: 20px 42px;
  border-radius: 999px;
  background: var(--rouge);
  color: var(--text);
  font-family: var(--font-head); font-size: 16px; letter-spacing: .16em;
  box-shadow: 0 0 0 0 var(--rouge-soft);
  transition: box-shadow .8s var(--ease), opacity 1.8s var(--ease), transform 1.8s var(--ease);
}
/* マウスを乗せると、まわりにルージュの光がゆっくり広がる */
.btn:hover, .btn:focus-visible { box-shadow: 0 0 0 10px var(--rouge-soft), 0 0 60px var(--rouge-soft); }
.btn__arrow { transition: transform .8s var(--ease); font-family: var(--font-en); }
.btn:hover .btn__arrow, .btn:focus-visible .btn__arrow { transform: translateX(4px); }

/* ---------- フッター ---------- */
.footer {
  padding: 88px var(--gutter) 136px;   /* 下の予約ボタンと重ならないよう余白 */
  border-top: 1px solid var(--line);
  text-align: center;
}
.footer__logo {
  font-family: var(--font-en); font-style: italic;
  font-size: clamp(44px, 8vw, 80px);
  line-height: 1.2;
  letter-spacing: .04em;
  margin-bottom: 28px;
  text-shadow: 0 0 40px rgba(200,36,60,.4);
}
.footer__info { font-size: 13px; color: var(--text-sub); margin-bottom: 40px; }
.footer__copy { font-family: var(--font-en); color: var(--text-sub); letter-spacing: .14em; }

/* ---------- 常に表示するInstagram予約ボタン ---------- */
.ig-float {
  position: fixed; z-index: 60;
  left: 16px; right: 16px; bottom: 16px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 24px;
  border-radius: 999px;
  background: var(--rouge);
  color: var(--text);
  font-family: var(--font-head); font-size: 15px; letter-spacing: .14em;
  box-shadow: 0 10px 30px rgba(0,0,0,.45), 0 0 30px rgba(200,36,60,.45);   /* 光は静止（点滅させない） */
  transition: background .8s var(--ease);
}
.ig-float:hover, .ig-float:focus-visible { background: #D42A45; }
.ig-float__icon { width: 20px; height: 20px; flex-shrink: 0; }
@media (min-width: 900px) {
  /* PCでは右上にピル型で固定（ヘッダーの中に並ぶ位置） */
  .ig-float {
    left: auto; right: var(--gutter); top: 16px; bottom: auto;
    padding: 9px 22px; font-size: 14px;
  }
}

/* Instagram未設定のときのお知らせ */
.toast {
  position: fixed; left: 50%; bottom: 90px; z-index: 70;
  translate: -50% 0;
  width: max-content; max-width: calc(100% - 32px);
  padding: 10px 20px;
  border-radius: 999px;
  background: rgba(243,236,228,.95); color: var(--bg);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .6s ease;
}
.toast.is-show { opacity: 1; }
@media (min-width: 900px) { .toast { bottom: auto; top: 80px; left: auto; right: var(--gutter); translate: none; } }

/* ---------- 動きを減らす設定の人には止める ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .fade, .hero__title .char, .hero__lead { opacity: 1 !important; transform: none !important; }
  .arch .ph { transform: none !important; }
  .opening { display: none; }
}