/* 見本：Atelier NOA（架空の美容室） */
:root {
  --bg: #f6f1ea; --bg2: #efe7dc; --paper: #fffdf9; --ink: #2a231d; --ink2: #3b332c; --mute: #5e544b;
  --rose: #c98b7b; --rose2: #e7c3b6; --sage: #8fa58f; --line: rgba(59,51,44,.14);
  --f-en: "Cormorant Garamond", "Times New Roman", serif; --f-min: "Shippori Mincho", "Hiragino Mincho ProN", serif; --f-sans: "Zen Kaku Gothic New", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--f-sans); font-size: 17px; line-height: 1.95; letter-spacing: .05em; overflow-x: clip; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
.wrap { width: min(1140px, 100% - 40px); margin-inline: auto; }
.en { font-family: var(--f-en); font-style: italic; letter-spacing: .02em; }

/* ヘッダー */
.hd { position: fixed; inset: 0 0 auto; z-index: 40; display: flex; align-items: center; gap: 30px; padding: 22px 34px; transition: background .4s, padding .4s, box-shadow .4s; }
.hd.scrolled { background: rgba(246,241,234,.9); padding: 14px 34px; box-shadow: 0 1px 0 var(--line); }
.brand { text-decoration: none; display: flex; align-items: baseline; gap: 10px; }
.brand b { font: 500 27px/1 var(--f-en); letter-spacing: .14em; }
.brand small { font: italic 400 15px/1 var(--f-en); color: var(--rose); }
.nav { margin-left: auto; display: flex; gap: 30px; font-size: 14.5px; }
.nav a { text-decoration: none; color: var(--ink2); position: relative; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: var(--rose); transform: scaleX(0); transition: transform .35s; }
.nav a:hover::after, .nav a[aria-current]::after { transform: scaleX(1); }
.btn { display: inline-flex; align-items: center; gap: 12px; min-height: 52px; padding: 0 30px; border-radius: 999px; background: var(--ink); color: var(--paper); text-decoration: none; font-size: 15px; letter-spacing: .14em; border: 0; cursor: pointer; transition: background .3s, transform .3s; }
.btn:hover { background: var(--rose); transform: translateY(-2px); }
.btn .ar { transition: transform .3s; } .btn:hover .ar { transform: translateX(4px); }
.btn.line { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.btn.line:hover { background: var(--ink); color: var(--paper); }
.hd .btn { min-height: 44px; padding: 0 22px; font-size: 14px; }
.menu-btn { display: none; }
@media (max-width: 860px) {
  .nav, .hd .btn { display: none; }
  .hd, .hd.scrolled { padding: 14px 18px; }
  .menu-btn { display: block; margin-left: auto; width: 44px; height: 44px; background: none; border: 0; position: relative; cursor: pointer; }
  .menu-btn i { position: absolute; left: 11px; right: 11px; height: 1px; background: var(--ink); transition: transform .3s; }
  .menu-btn i:first-child { top: 18px; } .menu-btn i:last-child { top: 25px; }
  .open .menu-btn i:first-child { transform: translateY(3.5px) rotate(45deg); } .open .menu-btn i:last-child { transform: translateY(-3.5px) rotate(-45deg); }
}
.sp { position: fixed; inset: 0; z-index: 39; background: var(--bg); display: flex; flex-direction: column; justify-content: center; padding: 80px 32px; visibility: hidden; opacity: 0; transition: opacity .3s, visibility .3s; }
.open .sp { visibility: visible; opacity: 1; }
.sp a:not(.btn) { font: italic 400 34px/1.5 var(--f-en); text-decoration: none; padding: 8px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: baseline; }
.sp a small { font: 400 13px var(--f-sans); font-style: normal; color: var(--mute); }
.sp .btn { margin-top: 26px; justify-content: center; }

/* 最初の画面 */
.hero { position: relative; min-height: 100vh; min-height: 100svh; overflow: hidden; display: grid; align-items: end; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-ph { position: absolute; z-index: 1; margin: 0; top: max(100px, 13vh); right: calc(min(380px, 30vw) + 13vw); width: clamp(220px, 23vw, 360px); aspect-ratio: 3 / 4; border-radius: 999px 999px 20px 20px; overflow: hidden; box-shadow: 0 40px 80px -40px rgba(59,51,44,.55); opacity: 0; transform: translateY(30px) scale(.97); animation: up 1.6s .5s cubic-bezier(.16,1,.3,1) forwards; }
.hero-ph img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; animation: sway 14s ease-in-out infinite alternate; }
@keyframes sway { to { transform: scale(1.07) translateY(-2%); } }
.hero-in { position: relative; z-index: 2; padding: 0 0 clamp(60px, 10vh, 110px); display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 30px; }
.big { margin: 0; font: 400 clamp(110px, 22vw, 330px)/.8 var(--f-en); letter-spacing: -.02em; }
.big span { display: inline-block; opacity: 0; transform: translateY(40px); filter: blur(12px); animation: up 1.6s cubic-bezier(.16,1,.3,1) forwards; }
.big span:nth-child(2) { animation-delay: .12s; font-style: italic; color: var(--rose); } .big span:nth-child(3) { animation-delay: .24s; }
@keyframes up { to { opacity: 1; transform: none; filter: none; } }
.hero-txt { max-width: 380px; opacity: 0; animation: fade 1.2s .9s forwards; padding-bottom: 14px; }
@keyframes fade { to { opacity: 1; } }
.hero-txt h1 { font: 600 clamp(26px, 2.6vw, 36px)/1.6 var(--f-min); margin: 0 0 14px; letter-spacing: .12em; }
.hero-txt p { margin: 0 0 26px; color: var(--ink2); font-size: 15.5px; }
.hero-meta { position: absolute; z-index: 2; top: 50%; left: 34px; transform: translateY(-50%) rotate(180deg); writing-mode: vertical-rl; font: italic 400 15px/1 var(--f-en); color: var(--mute); letter-spacing: .2em; }
@media (max-width: 860px) {
  .hero-in { grid-template-columns: 1fr; padding-bottom: 90px; }
  .big { font-size: 31vw; }
  .hero-meta { display: none; }
  .hero-ph { top: 84px; right: 18px; width: 44vw; }
}

/* 見出し */
.sec { padding: clamp(90px, 13vw, 170px) 0; position: relative; }
.sh { margin-bottom: clamp(40px, 6vw, 72px); display: grid; gap: 6px; }
.sh .en { font-size: clamp(54px, 7vw, 96px); line-height: .95; color: var(--ink); }
.sh h2 { margin: 0; font: 600 18px/1.6 var(--f-min); letter-spacing: .2em; color: var(--rose); }
.sh p { margin: 10px 0 0; color: var(--ink2); max-width: 560px; }
.rv { opacity: 0; transform: translateY(34px); transition: opacity 1.1s cubic-bezier(.2,.8,.2,1), transform 1.2s cubic-bezier(.2,.8,.2,1); transition-delay: var(--d, 0s); }
.rv.in { opacity: 1; transform: none; }

/* コンセプト */
.concept { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 90px); align-items: center; }
.quote { font: 500 clamp(28px, 3.4vw, 46px)/1.7 var(--f-min); letter-spacing: .1em; margin: 0; }
.quote em { font-style: normal; background: linear-gradient(transparent 62%, var(--rose2) 62%); }
.concept p { color: var(--ink2); margin: 0 0 18px; }
.arch { aspect-ratio: 3 / 4; border-radius: 999px 999px 24px 24px; background: linear-gradient(160deg, #e9d9cb, #d8b9aa 55%, #b98c7c); position: relative; overflow: hidden; }
.arch > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.arch::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(59,51,44,.45)); }
.arch svg { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; opacity: .7; }
.arch .lbl { z-index: 2; }
.arch .lbl { position: absolute; left: 24px; bottom: 22px; font: italic 400 22px var(--f-en); color: #fff; }
@media (max-width: 860px) { .concept { grid-template-columns: 1fr; } .arch { max-width: 360px; } }

/* 髪色の見本 */
.colors { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 5vw, 70px); align-items: center; }
.preview { aspect-ratio: 1; border-radius: 32px; background: var(--paper); position: relative; overflow: hidden; box-shadow: 0 30px 60px -36px rgba(59,51,44,.4); }
.preview svg { width: 100%; height: 100%; }
.preview .strand { transition: stroke .8s ease; }
.preview .cap { position: absolute; left: 26px; bottom: 22px; right: 26px; display: flex; justify-content: space-between; align-items: end; }
.preview .cap b { font: 600 22px/1.4 var(--f-min); letter-spacing: .1em; }
.preview .cap .en { font-size: 18px; color: var(--mute); }
.swatches { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 0 0 26px; padding: 0; list-style: none; }
.sw { display: grid; justify-items: center; gap: 8px; background: none; border: 0; cursor: pointer; font-size: 12.5px; color: var(--ink2); padding: 0; }
.sw i { width: 58px; height: 58px; border-radius: 50%; background: var(--c); box-shadow: inset 0 -8px 16px rgba(0,0,0,.18), 0 0 0 3px var(--bg), 0 0 0 4px transparent; transition: box-shadow .3s, transform .3s; }
.sw:hover i { transform: scale(1.06); }
.sw[aria-pressed="true"] i { box-shadow: inset 0 -8px 16px rgba(0,0,0,.18), 0 0 0 3px var(--bg), 0 0 0 5px var(--ink); }
.color-desc { min-height: 5.8em; color: var(--ink2); margin: 0; transition: opacity .3s; }
.color-desc b { color: var(--ink); font-family: var(--f-min); font-size: 18px; display: block; }
@media (max-width: 860px) { .colors { grid-template-columns: 1fr; } .swatches { grid-template-columns: repeat(4, 1fr); } .sw i { width: 52px; height: 52px; } }

/* メニュー（タブ） */
.mtabs { display: flex; gap: 6px; margin-bottom: 28px; flex-wrap: wrap; }
.mtabs button { font: italic 400 22px/1 var(--f-en); padding: 12px 22px; border-radius: 999px; border: 0; background: transparent; color: var(--mute); cursor: pointer; transition: background .3s, color .3s; }
.mtabs button small { font: 400 12px var(--f-sans); font-style: normal; margin-left: 6px; }
.mtabs button[aria-selected="true"] { background: var(--ink); color: var(--paper); }
.mpanel { display: grid; grid-template-columns: 1fr 1fr; gap: 0 60px; }
.mpanel[hidden] { display: none; }
.mrow { display: flex; align-items: baseline; gap: 14px; padding: 20px 0; border-bottom: 1px solid var(--line); animation: rowin .7s cubic-bezier(.2,.8,.2,1) both; animation-delay: calc(var(--n, 0) * 60ms); }
@keyframes rowin { from { opacity: 0; transform: translateY(12px); } }
.mrow b { font: 600 18px/1.5 var(--f-min); letter-spacing: .08em; }
.mrow small { display: block; color: var(--mute); font-size: 13.5px; }
.mrow .sp-dots { flex: 1; border-bottom: 1px dotted var(--line); transform: translateY(-6px); }
.mrow .yen { font: 500 24px/1 var(--f-en); white-space: nowrap; }
.mrow .yen small { display: inline; font-family: var(--f-sans); font-size: 12px; margin-left: 2px; }
.mnote { margin: 24px 0 0; color: var(--mute); font-size: 14px; }
@media (max-width: 760px) { .mpanel { grid-template-columns: 1fr; } }

/* 似合わせの流れ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; counter-reset: s; list-style: none; padding: 0; margin: 0; }
.steps::before { content: ""; position: absolute; left: 30px; right: 30px; top: 30px; height: 1px; background: linear-gradient(90deg, var(--rose) var(--p, 0%), var(--line) 0); }
.steps li { position: relative; counter-increment: s; }
.steps li::before { content: counter(s, decimal-leading-zero); display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%; background: var(--paper); box-shadow: inset 0 0 0 1px var(--line); font: italic 400 22px var(--f-en); margin-bottom: 18px; position: relative; transition: background .5s, color .5s; }
.steps li.on::before { background: var(--rose); color: #fff; box-shadow: none; }
.steps h3 { font: 600 19px/1.5 var(--f-min); margin: 0 0 8px; letter-spacing: .1em; }
.steps p { margin: 0; font-size: 14.5px; color: var(--ink2); }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; gap: 30px; } .steps::before { left: 30px; right: auto; top: 30px; bottom: 30px; width: 1px; height: auto; background: linear-gradient(180deg, var(--rose) var(--p, 0%), var(--line) 0); } .steps li { padding-left: 84px; } .steps li::before { position: absolute; left: 0; top: -6px; } }

/* 写真 */
.gallery { padding: 0 0 clamp(90px, 13vw, 170px); }
.gal { display: grid; grid-template-columns: 1fr 1.3fr; grid-template-rows: auto auto; gap: 18px; }
.g { margin: 0; position: relative; overflow: hidden; border-radius: 24px; }
.g img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s cubic-bezier(.2,.8,.2,1); }
.g:hover img { transform: scale(1.05); }
.g1 { grid-row: span 2; border-radius: 999px 999px 24px 24px; min-height: 520px; }
.g2, .g3 { aspect-ratio: 16 / 10; }
.g figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 50px 24px 18px; background: linear-gradient(transparent, rgba(59,51,44,.7)); color: #fff; font: 600 16px/1.5 var(--f-min); letter-spacing: .1em; display: flex; align-items: baseline; gap: 12px; }
.g figcaption .en { font-size: 26px; font-weight: 400; color: var(--rose2); }
@media (max-width: 760px) { .gal { grid-template-columns: 1fr; } .g1 { grid-row: auto; min-height: 0; aspect-ratio: 4 / 5; } }

/* スタイリスト（触ると裏返る） */
.staff { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { perspective: 1000px; height: 430px; cursor: pointer; background: none; border: 0; padding: 0; text-align: left; font: inherit; color: inherit; }
.card-in { position: relative; width: 100%; height: 100%; transition: transform .9s cubic-bezier(.2,.8,.2,1); transform-style: preserve-3d; }
.card:hover .card-in, .card[aria-pressed="true"] .card-in { transform: rotateY(180deg); }
.face { position: absolute; inset: 0; backface-visibility: hidden; border-radius: 24px; padding: 28px; display: flex; flex-direction: column; overflow: hidden; }
.front { background: var(--paper); box-shadow: 0 24px 50px -36px rgba(59,51,44,.45); }
.front .mono { width: 120px; height: 150px; border-radius: 999px 999px 18px 18px; display: grid; place-items: center; font: italic 400 64px/1 var(--f-en); color: #fff; background: var(--g); margin-bottom: auto; }
.front .role { font: italic 400 17px var(--f-en); color: var(--rose); }
.front h3 { font: 600 24px/1.4 var(--f-min); margin: 2px 0 10px; letter-spacing: .14em; }
.front .tags { display: flex; gap: 6px; flex-wrap: wrap; }
.front .tags span { font-size: 12px; padding: 3px 10px; border-radius: 999px; background: var(--bg2); color: var(--ink2); }
.front .hint { position: absolute; right: 22px; top: 24px; font: italic 400 14px var(--f-en); color: var(--mute); }
.back { background: var(--ink); color: var(--paper); transform: rotateY(180deg); justify-content: center; }
.back q { font: 500 20px/1.9 var(--f-min); letter-spacing: .08em; quotes: "「" "」"; }
.back .sig { margin-top: 22px; font: italic 400 20px var(--f-en); color: var(--rose2); }
@media (max-width: 860px) { .staff { grid-template-columns: 1fr; } .card { height: 360px; } }

/* 予約 */
.book { border-radius: 40px; background: var(--ink); color: var(--paper); padding: clamp(50px, 8vw, 100px) clamp(24px, 6vw, 80px); display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; position: relative; overflow: hidden; }
.book::before { content: ""; position: absolute; right: -10%; top: -40%; width: 60%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(closest-side, rgba(201,139,123,.55), transparent); filter: blur(30px); animation: drift 12s ease-in-out infinite alternate; }
@keyframes drift { to { transform: translate(-30%, 30%); } }
.book > * { position: relative; }
.book .en { font-size: clamp(54px, 7vw, 92px); line-height: 1; }
.book h2 { font: 600 20px/1.7 var(--f-min); margin: 12px 0 0; letter-spacing: .14em; color: var(--rose2); }
.book p { color: #d9cfc5; margin: 0 0 24px; }
.book .btn { background: var(--paper); color: var(--ink); }
.book .btn:hover { background: var(--rose2); }
.book .btn.line { background: transparent; color: var(--paper); box-shadow: inset 0 0 0 1px rgba(255,253,249,.5); }
.book-row { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 860px) { .book { grid-template-columns: 1fr; border-radius: 28px; } }

/* お店の情報 */
.info { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 70px); }
.dl { display: grid; grid-template-columns: 7.5em 1fr; margin: 0; }
.dl dt, .dl dd { margin: 0; padding: 16px 0; border-bottom: 1px solid var(--line); }
.dl dt { font: italic 400 18px var(--f-en); color: var(--rose); }
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin-top: 10px; }
.week span { text-align: center; font-size: 13px; padding: 10px 0; border-radius: 12px; background: var(--paper); }
.week span.off { background: transparent; color: var(--mute); box-shadow: inset 0 0 0 1px var(--line); }
.week span.today { background: var(--ink); color: var(--paper); }
.mapbox { border-radius: 28px; overflow: hidden; background: var(--paper); aspect-ratio: 4 / 3; position: relative; }
.mapbox svg { width: 100%; height: 100%; }
.mapbox .pin { position: absolute; left: 52%; top: 48%; transform: translate(-50%, -100%); font: italic 500 18px var(--f-en); background: var(--ink); color: var(--paper); padding: 8px 14px; border-radius: 999px; }
.mapbox .pin::after { content: ""; position: absolute; left: 50%; bottom: -6px; width: 12px; height: 12px; background: var(--ink); transform: translateX(-50%) rotate(45deg); }
@media (max-width: 860px) { .info { grid-template-columns: 1fr; } }

.ft { padding: 70px 0 120px; text-align: center; color: var(--mute); font-size: 13px; }
.ft .brand { justify-content: center; margin-bottom: 12px; color: var(--ink); }

/* メニューのページ */
.page-hero { padding: 170px 0 50px; }
.page-hero .en { font-size: clamp(80px, 13vw, 180px); line-height: .9; display: block; }
.page-hero p { color: var(--ink2); margin: 18px 0 0; max-width: 560px; }
.pgroup { padding: 60px 0 10px; }
.pgroup h2 { display: flex; align-items: baseline; gap: 16px; margin: 0 0 6px; }
.pgroup h2 .en { font-size: 46px; font-weight: 400; }
.pgroup h2 small { font: 600 15px var(--f-min); color: var(--rose); letter-spacing: .2em; }
.pgroup > p { color: var(--mute); font-size: 14.5px; margin: 0 0 14px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .big span, .hero-txt, .rv, .hero-ph { opacity: 1; transform: none; filter: none; }
}