:root {
  --bg: #f7f5f2;
  --paper: #ffffff;
  --ink: #2a2826;
  --muted: #7d7772;
  --line: #ddd6cf;
  --greige: #b9a99a;
  --rose: #b98279;
  --font-en: "Cormorant Garamond", "Times New Roman", serif;
  --font-head: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-body: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --side: 240px;
  --pad: clamp(24px, 5vw, 70px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { background: var(--bg); scroll-behavior: smooth; }

body {
  padding-left: var(--side);
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--ink);
  line-height: 2;
  letter-spacing: .04em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- サイドメニュー ---------- */
.side {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  width: var(--side);
  display: flex;
  flex-direction: column;
  padding: 44px 34px 78px;
  background: var(--paper);
  border-right: 1px solid var(--line);
  overflow-y: auto;
}

.logo { font-family: var(--font-en); font-size: 2.1rem; font-weight: 500; letter-spacing: .3em; line-height: 1.1; }
.logo small { display: block; font-size: .78rem; font-style: italic; font-weight: 400; letter-spacing: .14em; color: var(--muted); }

.side-body { flex: 1; display: flex; flex-direction: column; }

.nav { display: grid; margin-top: 54px; font-family: var(--font-en); font-size: 1.3rem; letter-spacing: .1em; counter-reset: nav; }

.nav a { display: flex; align-items: baseline; gap: 16px; padding: 7px 0; transition: padding .3s, color .3s; }

.nav a::before {
  counter-increment: nav;
  content: "0" counter(nav);
  font-size: .82rem;
  font-style: italic;
  color: var(--rose);
}

.nav a:hover { padding-left: 10px; color: var(--rose); }

.side-foot { margin-top: auto; padding-top: 30px; font-size: .76rem; line-height: 1.8; color: var(--muted); }
.side-tel { margin-top: 8px; font-family: var(--font-en); font-size: 1.15rem; letter-spacing: .08em; color: var(--ink); }

.side-cta {
  display: block;
  margin-top: 16px;
  padding: 9px;
  text-align: center;
  font-family: var(--font-en);
  font-size: 1.1rem;
  letter-spacing: .2em;
  color: var(--bg);
  background: var(--ink);
  transition: background .3s;
}

.side-cta:hover { background: var(--rose); }

.nav-toggle { display: none; position: relative; width: 44px; height: 44px; background: none; border: 0; cursor: pointer; }
.nav-toggle span { position: absolute; left: 8px; width: 28px; height: 1px; background: var(--ink); transition: transform .3s; }
.nav-toggle span:nth-child(1) { top: 18px; }
.nav-toggle span:nth-child(2) { top: 26px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(30deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-30deg); }

/* ---------- 写真の代わりのビジュアル ---------- */
.photo { position: relative; overflow: hidden; }
.photo svg { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; stroke: rgba(255, 255, 255, .5); stroke-width: 1; }

.photo span {
  position: absolute;
  right: 14px;
  bottom: -.22em;
  font-family: var(--font-en);
  font-style: italic;
  line-height: 1;
  color: rgba(255, 255, 255, .4);
}

/* ---------- ファーストビュー ---------- */
.hero {
  position: relative;
  min-height: min(100vh, 800px);
  display: grid;
  grid-template-rows: 1fr auto;
  padding-left: var(--pad);
}

.hero-photo {
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 76%;
  border-radius: 0 0 0 240px;
  background: linear-gradient(165deg, #e0d2c6, #b9a394 55%, #8c776a);
}

.hero-vertical {
  position: absolute;
  top: clamp(40px, 8vh, 80px);
  right: clamp(26px, 6vw, 90px);
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 2.2vw, 1.8rem);
  line-height: 2.3;
  letter-spacing: .34em;
  color: #fff;
  writing-mode: vertical-rl;
}

.hero-text { position: relative; align-self: end; padding-bottom: 30px; }
.hero-label { font-family: var(--font-en); font-style: italic; font-size: 1.1rem; letter-spacing: .16em; color: var(--rose); }

.hero h1 {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: clamp(3.2rem, 9.6vw, 8rem);
  line-height: .98;
  letter-spacing: -.01em;
}

.hero h1 em { font-style: italic; color: var(--rose); }

.hero-foot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px 50px;
  padding: 24px var(--pad) 34px 0;
  border-top: 1px solid var(--line);
}

.hero-foot p { max-width: 34em; font-size: .9rem; color: var(--muted); }

.link-arrow { display: inline-flex; align-items: center; gap: 18px; font-family: var(--font-head); letter-spacing: .2em; white-space: nowrap; }
.link-arrow i { position: relative; width: 70px; height: 1px; background: var(--ink); transition: width .35s; }
.link-arrow i::after { content: ""; position: absolute; right: 0; top: -3px; width: 7px; height: 7px; border-top: 1px solid var(--ink); border-right: 1px solid var(--ink); transform: rotate(45deg); }
.link-arrow:hover i { width: 104px; }

/* ---------- セクション共通 ---------- */
.section { max-width: 1100px; padding: clamp(70px, 9vw, 120px) var(--pad); }

.section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: clamp(36px, 5vw, 60px);
  font-family: var(--font-en);
  font-size: 1.5rem;
  letter-spacing: .1em;
}

.section-label b { font-size: .95rem; font-style: italic; font-weight: 400; color: var(--rose); }
.section-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ---------- コンセプト(縦書き) ---------- */
.concept-body { display: grid; grid-template-columns: auto 1fr; gap: clamp(40px, 8vw, 120px); align-items: start; }

.concept-copy {
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 2.2;
  letter-spacing: .34em;
  writing-mode: vertical-rl;
}

.concept-text p + p { margin-top: 1.4em; }
.concept-points { margin-top: 34px; border-top: 1px solid var(--line); }
.concept-points li { display: flex; align-items: baseline; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.concept-points b { font-family: var(--font-en); font-style: italic; font-weight: 400; font-size: 1.2rem; color: var(--rose); }

/* ---------- メニュー(タブ切り替え) ---------- */
.tabs { display: grid; grid-template-columns: 230px 1fr; gap: clamp(30px, 6vw, 80px); align-items: start; }
.tab-list { display: grid; }

.tab-list button {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 4px 0;
  font-family: var(--font-en);
  font-style: italic;
  font-size: clamp(2.2rem, 4.4vw, 3.2rem);
  line-height: 1.3;
  text-align: left;
  color: var(--line);
  background: none;
  border: 0;
  cursor: pointer;
  transition: color .3s, padding .3s;
}

.tab-list small { font-family: var(--font-body); font-style: normal; font-size: .78rem; letter-spacing: .14em; opacity: 0; transition: opacity .3s; }
.tab-list button:hover { color: var(--greige); }
.tab-list button[aria-selected="true"] { padding-left: 14px; color: var(--ink); }
.tab-list button[aria-selected="true"] small { opacity: 1; color: var(--rose); }

.tab-panel { padding: 30px clamp(22px, 4vw, 44px) 14px; background: var(--paper); }
.tab-panel + .tab-panel { margin-top: 20px; }
.js .tab-panel { animation: panel .5s ease; }
.js .tab-panel + .tab-panel { margin-top: 0; }

@keyframes panel { from { opacity: 0; transform: translateY(10px); } }

.panel-title { font-family: var(--font-en); font-style: italic; font-weight: 400; font-size: 1.7rem; color: var(--rose); }
.js .panel-title { display: none; }
.panel-lead { padding-bottom: 20px; font-size: .92rem; color: var(--muted); border-bottom: 1px solid var(--ink); }

.tab-panel dl > div { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.tab-panel dl > div:last-child { border-bottom: 0; }
.tab-panel dt small { margin-left: 12px; font-size: .78rem; color: var(--muted); }
.tab-panel dd { font-family: var(--font-en); font-size: 1.4rem; letter-spacing: .04em; white-space: nowrap; }

.menu-note { margin-top: 18px; font-size: .8rem; color: var(--muted); }

/* ---------- スタイル(横スクロール) ---------- */
.style { padding: clamp(40px, 6vw, 70px) 0 clamp(70px, 9vw, 120px); background: var(--paper); }
.style-head { display: flex; align-items: center; gap: 30px; padding: 0 var(--pad); margin-bottom: clamp(30px, 4vw, 46px); }
.style-head .section-label { flex: 1; margin-bottom: 0; }
.style-hint { display: flex; align-items: center; gap: 14px; font-size: .78rem; color: var(--muted); white-space: nowrap; }
.style-hint i { width: 46px; height: 1px; background: var(--muted); animation: hint 2.4s ease-in-out infinite; transform-origin: left; }

@keyframes hint { 0% { transform: scaleX(0); } 60%, 100% { transform: scaleX(1); } 100% { opacity: 0; } }

.style-track {
  display: flex;
  gap: clamp(18px, 2.6vw, 34px);
  padding: 0 var(--pad) 26px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-left: var(--pad);
  scrollbar-width: thin;
  scrollbar-color: var(--greige) transparent;
}

.style-track li { flex: 0 0 clamp(200px, 23vw, 280px); scroll-snap-align: start; }
.style-track li:nth-child(even) { padding-top: 46px; }
.style-track .photo { aspect-ratio: 3 / 4; }
.style-track .photo span { font-size: 5rem; }
.style-track h3 { margin-top: 14px; font-family: var(--font-en); font-style: italic; font-weight: 400; font-size: 1.6rem; line-height: 1.3; }
.style-track p { font-size: .84rem; color: var(--muted); }

.s1 { border-radius: 999px 999px 0 0; background: linear-gradient(170deg, #e6ddd3, #b9a394); }
.s2 { background: radial-gradient(circle at 50% 38%, #f1e2dc 0 30%, transparent 31%), linear-gradient(190deg, #dcbdb5, #b98279); }
.s3 { border-radius: 0 140px 0 0; background: linear-gradient(150deg, #d9d2c8, #9c9085); }
.s4 { border-radius: 999px; background: linear-gradient(200deg, #efe6dd, #cbb8a8 60%, #a8917f); }
.s5 { border-radius: 140px 0 0 0; background: radial-gradient(ellipse at 70% 20%, #f3e4d6, transparent 60%), linear-gradient(180deg, #d9bfa6, #b0927a); }
.s6 { border-radius: 0 0 999px 999px; background: linear-gradient(160deg, #e9d6d1, #c39d95); }

/* ---------- スタイリスト(左右交互) ---------- */
.stylist-row { display: grid; grid-template-columns: .8fr 1fr; gap: clamp(30px, 6vw, 70px); align-items: center; }
.stylist-row + .stylist-row { margin-top: clamp(40px, 6vw, 70px); }
.stylist-row.reverse { grid-template-columns: 1fr .8fr; }
.stylist-row.reverse .photo { order: 2; }

.photo-a { aspect-ratio: 5 / 4; background: linear-gradient(200deg, #e6ddd3, #c4b3a4 60%, #a08b7c); }
.photo-b { aspect-ratio: 5 / 4; background: linear-gradient(200deg, #eadbd6, #cfaea6 60%, #a9827a); }
.photo-a span, .photo-b span { font-size: 11rem; }

.stylist-role { font-family: var(--font-en); font-style: italic; letter-spacing: .1em; color: var(--rose); }
.stylist-row h3 { font-family: var(--font-head); font-weight: 500; font-size: 1.4rem; letter-spacing: .2em; margin-bottom: 10px; }
.stylist-row h3 small { margin-left: 14px; font-family: var(--font-en); font-size: .95rem; font-weight: 400; letter-spacing: .1em; color: var(--muted); }
.stylist-row p:last-child { font-size: .92rem; color: var(--muted); }

/* ---------- サロン情報・予約(左右2分割) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; }
.split-info { padding: clamp(60px, 8vw, 100px) var(--pad); background: var(--paper); }
.split-reserve { display: flex; flex-direction: column; justify-content: center; padding: clamp(60px, 8vw, 100px) var(--pad); color: var(--bg); background: var(--ink); }

.info > div { display: grid; grid-template-columns: 96px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.info > div:first-child { border-top: 1px solid var(--line); }
.info dt { font-family: var(--font-en); font-style: italic; font-size: 1.1rem; color: var(--rose); }
.info small { display: block; font-size: .8rem; color: var(--muted); }

.reserve-label { font-family: var(--font-en); font-style: italic; font-size: 1.1rem; letter-spacing: .16em; color: var(--greige); }
.split-reserve h2 { font-family: var(--font-head); font-weight: 400; font-size: clamp(1.7rem, 3.6vw, 2.4rem); letter-spacing: .34em; margin: 4px 0 18px; }
.reserve-actions { display: grid; gap: 14px; margin-top: 32px; }
.reserve-note { margin-top: 22px; font-size: .78rem; opacity: .6; }

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0 30px;
  letter-spacing: .16em;
  border: 1px solid var(--bg);
  transition: background .3s, color .3s, border-color .3s;
}

.btn-fill { color: var(--ink); background: var(--bg); }
.btn-fill:hover { color: var(--bg); background: var(--rose); border-color: var(--rose); }
.btn-line { font-family: var(--font-en); font-size: 1.3rem; }
.btn-line:hover { color: var(--ink); background: var(--bg); }

/* ---------- フッター ---------- */
.footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 30px; padding: 26px var(--pad); font-size: .76rem; color: var(--muted); }
.footer a { font-family: var(--font-en); font-style: italic; font-size: 1.05rem; letter-spacing: .1em; }
.footer a:hover { color: var(--rose); }

/* ---------- スクロール表示 ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity 1.1s ease, transform 1.1s ease; }
.js [data-reveal].in { opacity: 1; transform: none; }

:focus-visible { outline: 1px solid var(--rose); outline-offset: 4px; }

/* ---------- レスポンシブ ---------- */
/* 高さの低い画面でもサイドメニューがスクロールせずに収まるようにする */
@media (min-width: 901px) and (max-height: 720px) {
  .side { padding-top: 28px; }
  .nav { margin-top: 28px; font-size: 1.15rem; }
  .nav a { padding: 4px 0; }
  .side-foot { padding-top: 16px; }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 72px; }
  body { padding-left: 0; }

  /* サイドメニューを上部バーに変え、中身は全画面メニューにする */
  .side {
    bottom: auto;
    right: 0;
    width: auto;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 10px 18px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    overflow: visible;
  }

  .logo { font-size: 1.6rem; }
  .logo small { font-size: .68rem; }
  .nav-toggle { display: block; }

  .side-body {
    position: fixed;
    inset: 0;
    z-index: -1;
    align-items: center;
    justify-content: center;
    padding: 90px 30px;
    background: var(--paper);
    opacity: 0;
    visibility: hidden;
    transition: opacity .35s, visibility .35s;
  }

  .side-body.open { opacity: 1; visibility: visible; }
  .nav { margin-top: 0; font-size: 1.8rem; }
  .side-foot { margin-top: 34px; padding-top: 0; text-align: center; }
  .side-cta { padding: 10px 50px; }

  .hero { min-height: min(100vh, 700px); padding-top: 66px; }
  .hero-photo { width: 76%; height: 62%; border-radius: 0 0 0 140px; }
  .hero-vertical { top: 110px; }
  .hero-foot { flex-direction: column; align-items: flex-start; }

  .concept-body { grid-template-columns: 1fr; }
  .concept-copy { justify-self: center; }

  .tabs { grid-template-columns: 1fr; }
  .tab-list { display: flex; gap: 22px; overflow-x: auto; }
  .tab-list button { font-size: 1.9rem; }
  .tab-list button[aria-selected="true"] { padding-left: 0; }
  .tab-list small { display: none; }

  .style-hint { display: none; }

  .stylist-row, .stylist-row.reverse { grid-template-columns: 1fr; gap: 20px; }
  .stylist-row.reverse .photo { order: 0; }
  .photo-a span, .photo-b span { font-size: 8rem; }
  .stylist-row h3 small { display: block; margin-left: 0; }

  .split { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}