:root {
  --navy: #0e1830;
  --navy-2: #182851;
  --rose: #e19bb0;      /* accent on dark */
  --rose-ink: #a4566d;  /* accent on light (AA on washi) */
  --washi: #f4efe8;
  --paper: #fffdf9;


  --ink: #141b2e;
  --mute: #4f5568;
  --line: rgba(20,27,46,.14);
  --line-d: rgba(255,255,255,.14);
  --serif: 'Cormorant Garamond', 'Shippori Mincho', serif;
  --mincho: 'Shippori Mincho', serif;
  --sans: 'Jost', 'Shippori Mincho', sans-serif;
  --ease: cubic-bezier(.2,.7,.1,1);
  --gap: clamp(48px, 5.5vw, 88px);
  --blend: clamp(150px, 15vw, 230px);
  /* smoothstep-eased fades, interpolated in oklab so there's no banding */
  --to-washi: linear-gradient(var(--navy), color-mix(in oklab, var(--washi) 2.8%, var(--navy)) 10%, color-mix(in oklab, var(--washi) 10.4%, var(--navy)) 20%, color-mix(in oklab, var(--washi) 21.6%, var(--navy)) 30%, color-mix(in oklab, var(--washi) 35.2%, var(--navy)) 40%, color-mix(in oklab, var(--washi) 50%, var(--navy)) 50%, color-mix(in oklab, var(--washi) 64.8%, var(--navy)) 60%, color-mix(in oklab, var(--washi) 78.4%, var(--navy)) 70%, color-mix(in oklab, var(--washi) 89.6%, var(--navy)) 80%, color-mix(in oklab, var(--washi) 97.2%, var(--navy)) 90%, var(--washi));
  --to-navy: linear-gradient(var(--washi), color-mix(in oklab, var(--navy) 2.8%, var(--washi)) 10%, color-mix(in oklab, var(--navy) 10.4%, var(--washi)) 20%, color-mix(in oklab, var(--navy) 21.6%, var(--washi)) 30%, color-mix(in oklab, var(--navy) 35.2%, var(--washi)) 40%, color-mix(in oklab, var(--navy) 50%, var(--washi)) 50%, color-mix(in oklab, var(--navy) 64.8%, var(--washi)) 60%, color-mix(in oklab, var(--navy) 78.4%, var(--washi)) 70%, color-mix(in oklab, var(--navy) 89.6%, var(--washi)) 80%, color-mix(in oklab, var(--navy) 97.2%, var(--washi)) 90%, var(--navy));
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body { font: 300 17px/1.8 var(--sans); color: var(--ink); background: var(--navy); -webkit-font-smoothing: antialiased; overflow-x: clip; }
html[lang=ja] body { font-family: var(--mincho); font-size: 15px; letter-spacing: .05em; }
/* language switch: every bilingual pair is <span lang=en>/<span lang=ja> */
html[lang=en] body [lang=ja], html[lang=ja] body [lang=en] { display: none; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
::selection { background: var(--rose); color: var(--navy); }
body::after { content: ''; position: fixed; inset: 0; z-index: 60; pointer-events: none; opacity: .07; mix-blend-mode: overlay;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 clamp(16px, 5vw, 64px); }
.dark { color: #fff; }
.eyebrow { display: inline-flex; align-items: center; gap: .9rem; font: 500 .7rem/1 var(--sans); letter-spacing: .32em; text-transform: uppercase; color: var(--rose-ink); margin-bottom: 1.4rem; }
.dark .eyebrow { color: var(--rose); }
.eyebrow::before { content: ''; width: 32px; height: 1px; background: currentColor; }
h2 { font: 300 clamp(2.4rem, 5vw, 4.2rem)/1.05 var(--serif); }
h2 em { font-style: italic; color: var(--rose-ink); }
.dark h2 em { color: var(--rose); }
html[lang=ja] h2 { font: 500 clamp(1.7rem, 3.4vw, 2.6rem)/1.5 var(--mincho); letter-spacing: .08em; }
.lead { color: var(--mute); margin-top: 1.2rem; max-width: 30em; }
.dark .lead { color: rgba(255,255,255,.78); }

.btn { display: inline-flex; align-items: center; gap: .9rem; padding: .95rem 1.8rem .95rem 2.1rem; border: 1px solid currentColor; font: 400 .72rem var(--sans); letter-spacing: .26em; text-transform: uppercase; background: none; cursor: pointer; transition: background .4s, color .4s, border-color .4s; }
.btn::after { content: '→'; font-size: .95rem; letter-spacing: 0; }
.dark .btn { color: #fff; border-color: rgba(255,255,255,.55); }
.dark .btn:hover { background: #fff; color: var(--navy); }
.btn:hover { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ── header ── */
header { position: fixed; inset: 0 0 auto; z-index: 40; color: #fff; border-bottom: 1px solid transparent; transition: border-color .5s, box-shadow .5s; }
/* glass on ::before so backdrop-filter doesn't trap the fixed mobile menu */
header::before { content: ''; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .5s; background: rgba(14,24,48,.82); backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%); }
header.scrolled::before { opacity: 1; }
header.scrolled { border-color: rgba(255,255,255,.12); box-shadow: 0 10px 30px rgba(5,10,25,.3); }
header .wrap { display: flex; align-items: center; gap: 2.5rem; height: 76px; max-width: none; transition: height .5s; }
header.scrolled .wrap { height: 64px; }
.logo img { height: 40px; width: auto; }
nav { display: flex; gap: 2.2rem; margin-left: auto; font-size: .72rem; letter-spacing: .24em; text-transform: uppercase; }
html[lang=ja] nav { font-size: .82rem; letter-spacing: .14em; }
nav a { position: relative; padding: .4rem 0; opacity: .85; transition: opacity .3s; }
nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--rose); transform: scaleX(0); transition: transform .5s var(--ease); }
nav a:hover { opacity: 1; }
nav a:hover::after { transform: scaleX(1); }
.lang { display: flex; border: 1px solid rgba(255,255,255,.3); border-radius: 99px; padding: 3px; }
.lang button { background: none; border: 0; font-size: .7rem; letter-spacing: .12em; padding: .35rem .8rem; border-radius: 99px; cursor: pointer; }
html[lang=en] .lang [data-l=en], html[lang=ja] .lang [data-l=ja] { background: #fff; color: var(--navy); }
.menu { display: none; margin-left: auto; background: none; border: 0; cursor: pointer; width: 40px; height: 40px; position: relative; }
.menu span { position: absolute; left: 8px; right: 8px; height: 1px; background: #fff; transition: .4s var(--ease); }
.menu span:first-child { top: 16px; } .menu span:last-child { top: 23px; }
.menu-open .menu span:first-child { top: 20px; transform: rotate(45deg); }
.menu-open .menu span:last-child { top: 20px; transform: rotate(-45deg); }

/* ── hero: logo between two arched portraits, text never over photos ── */
.hero { min-height: 100svh; display: grid; grid-template-columns: 1fr minmax(320px, 1.1fr) 1fr; align-items: center; gap: clamp(24px, 4vw, 72px); padding: 110px clamp(16px, 5vw, 72px) 56px;
  background: radial-gradient(ellipse at 50% 40%, var(--navy-2), var(--navy) 70%); }
.arch { position: relative; width: min(100% - 24px, 72svh * 2 / 3, 500px); aspect-ratio: 2/3; justify-self: center; opacity: 0; animation: fade 1.6s .2s var(--ease) forwards; }
.arch:last-child { animation-delay: .45s; }
.arch::before { content: ''; position: absolute; inset: -12px; border: 1px solid rgba(225,155,176,.45); border-radius: 999px 999px 0 0; pointer-events: none; }
.arch img { width: 100%; height: 100%; object-fit: cover; border-radius: 999px 999px 0 0; }
.hero-copy { text-align: center; display: grid; justify-items: center; }
.hero-copy .mark { width: min(400px, 100%); opacity: 0; animation: fade 1.6s .6s forwards; }
.kicker { margin-top: 2.4rem; font: 400 .72rem var(--sans); letter-spacing: .42em; text-transform: uppercase; color: var(--rose); opacity: 0; animation: fade 1.2s 1s forwards; }
html[lang=ja] .kicker { font: 500 .85rem var(--mincho); letter-spacing: .32em; }
.hero .sub { margin-top: .8rem; font: 300 italic clamp(1.4rem, 2.1vw, 1.9rem)/1.35 var(--serif); opacity: 0; animation: fade 1.2s 1.2s forwards; }
html[lang=ja] .hero .sub { font: 400 clamp(1.05rem, 1.6vw, 1.35rem)/1.8 var(--mincho); letter-spacing: .26em; font-style: normal; }
.hero .btn { margin-top: 2.2rem; opacity: 0; animation: fade 1.2s 1.4s forwards; }
@keyframes fade { to { opacity: 1; } }

/* ── philosophy ── */
.to-washi, .to-navy { position: relative; }
.to-washi::after, .to-navy::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: var(--blend); background: var(--to-washi); pointer-events: none; }
.to-navy::after { background: var(--to-navy); }
.statement { z-index: 2; padding: var(--gap) 0 calc(var(--blend) * .75); background: var(--navy); }
/* trunk flush to the right edge; branch straddles the navy→washi fade and dips just past it */
.statement .sakura { position: absolute; z-index: 1; right: 0; bottom: -48px; width: min(520px, 40vw); transform: scaleX(-1); pointer-events: none; }
.statement .wrap { position: relative; z-index: 1; }
/* more branches, each anchored: draped over the artist portrait frame, entering from the left, and from both sides in the footer
   across the collection→services fade, and a sprig growing from the footer rule */
.sakura-hang, .sakura-left, .foot-l, .foot-r { position: absolute; z-index: 1; pointer-events: none; }
.portrait .sakura-hang { position: absolute; z-index: 2; top: -34px; left: -48px; width: 52%; height: auto; }
.collection { z-index: 2; }
.sakura-left { left: 0; bottom: -60px; width: min(420px, 30vw); }
/* footer: two branches reaching in from the side edges, framing the logo */
footer { position: relative; overflow: hidden; }
footer .wrap { position: relative; z-index: 2; }
.foot-l { left: 0; top: 14%; width: min(420px, 25vw); }
.foot-r { right: 0; top: 4%; width: min(380px, 23vw); transform: scaleX(-1); }
.statement p { max-width: 30em; font: 300 clamp(1.15rem, 1.7vw, 1.45rem)/1.75 var(--serif); color: rgba(255,255,255,.88); }
html[lang=ja] .statement p { font: 400 clamp(.95rem, 1.3vw, 1.1rem)/2.1 var(--mincho); letter-spacing: .12em; }
.statement .sig { margin-top: 1.6rem; font: 500 .78rem var(--sans); letter-spacing: .4em; color: var(--rose); }

/* ── featured works: user-driven viewer ── */
.featured { background: var(--washi); padding: calc(var(--gap) * .4) 0 var(--gap); }
.featured .wrap { display: grid; grid-template-columns: auto 1fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
.stage { position: relative; height: min(76svh, 780px); aspect-ratio: 2/3; padding: clamp(10px, 1.2vw, 16px); background: var(--paper); box-shadow: 0 0 0 1px rgba(164,86,109,.18), 0 40px 70px -30px rgba(20,27,46,.35); cursor: zoom-in; }
.stage div { position: relative; width: 100%; height: 100%; overflow: hidden; }
.stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.1s ease; }
.stage img.on { opacity: 1; }
.placard .pl { margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--line); min-height: 9rem; }
.placard .pl.swap { animation: plIn .7s var(--ease); }
@keyframes plIn { from { opacity: 0; transform: translateY(6px); } }
.pl-no { font: 400 italic 1rem var(--serif); color: var(--rose-ink); }
.pl-ja { display: block; margin-top: .4rem; font: 500 clamp(1.4rem, 2.2vw, 1.9rem)/1.5 var(--mincho); letter-spacing: .14em; }
.pl-en { display: block; font: 300 italic 1.25rem var(--serif); color: var(--mute); }
.ctrl { display: flex; align-items: center; gap: .8rem; margin-top: 2rem; }
.ctrl button { width: 50px; height: 50px; border-radius: 50%; border: 1px solid var(--line); background: none; cursor: pointer; font-size: 1rem; transition: background .4s, color .4s, border-color .4s; }
.ctrl button:hover { background: var(--navy); border-color: var(--navy); color: #fff; }
.thumbs { display: flex; gap: 8px; margin-top: 2rem; flex-wrap: wrap; }
.thumbs button { width: 44px; aspect-ratio: 2/3; padding: 0; border: 0; background: none; cursor: pointer; opacity: .45; transition: opacity .4s; outline-offset: 3px; }
.thumbs button[aria-current=true] { opacity: 1; outline: 1px solid var(--rose-ink); }
.thumbs button:hover { opacity: .85; }
.thumbs img { width: 100%; height: 100%; object-fit: cover; }

/* ── collection ── */
.collection { background: var(--washi); padding: 0 0 calc(var(--blend) + 16px); }
.head { display: flex; justify-content: space-between; align-items: end; gap: 2rem; flex-wrap: wrap; margin-bottom: 2.8rem; }
.filters { display: flex; gap: .4rem; flex-wrap: wrap; }
.filters button { background: none; border: 1px solid var(--line); padding: .6rem 1.3rem; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; cursor: pointer; color: var(--mute); border-radius: 99px; transition: .3s; }
.filters button:hover { border-color: var(--ink); color: var(--ink); }
.filters button[aria-pressed=true] { background: var(--navy); border-color: var(--navy); color: #fff; }
/* fixed 4:5 tiles: layout is known before images load, so nothing shifts */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gallery button { display: block; aspect-ratio: 4/5; padding: 0; border: 0; background: #e9e2d8; cursor: zoom-in; overflow: hidden; }
.gallery [hidden] { display: none; }
.gallery img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; transition: transform 1.4s var(--ease); }
.gallery button:hover img { transform: scale(1.03); }

dialog { border: 0; padding: 0; background: none; width: 100vw; height: 100svh; max-width: none; max-height: none; color: #fff; }
dialog::backdrop { background: rgba(9,15,32,.96); }
dialog[open] { display: grid; place-items: center; }
dialog img { max-width: 86vw; max-height: 84svh; object-fit: contain; }
.lb-btn { position: fixed; background: none; border: 1px solid rgba(255,255,255,.35); width: 50px; height: 50px; border-radius: 50%; cursor: pointer; font-size: 1rem; transition: .3s; }
.lb-btn:hover { background: #fff; color: var(--navy); }
.lb-close { top: 20px; right: 20px; } .lb-prev { left: 20px; top: 50%; } .lb-next { right: 20px; top: 50%; }
.lb-count { position: fixed; bottom: 24px; left: 50%; translate: -50% 0; font: italic 1rem var(--serif); opacity: .75; }

/* ── services ── */
.services { padding: calc(var(--gap) * .4) 0 var(--gap); }
/* three arched "windows" */
.svc-head { display: flex; justify-content: space-between; align-items: end; gap: 2rem; flex-wrap: wrap; }
.windows { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 2.6vw, 40px); margin-top: clamp(40px, 5vw, 72px); }
.win { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 14px 14px 2rem; border: 1px solid var(--line-d); border-radius: 999px 999px 0 0; background: linear-gradient(rgba(255,255,255,.035), rgba(255,255,255,0)); transition: border-color .6s; }
.win:hover { border-color: rgba(225,155,176,.5); }
/* img is absolute so a photo's natural height can't stretch the 3:4 box */
.win-img { position: relative; width: 100%; aspect-ratio: 3/4; flex: none; }
.win-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 999px 999px 0 0; }
.win-num { position: absolute; left: 50%; bottom: 0; translate: -50% 50%; display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; background: var(--navy); border: 1px solid rgba(225,155,176,.6); font: 500 1.5rem/1 var(--mincho); color: var(--rose); }
.win h3 { margin-top: 2.6rem; font: 300 clamp(1.5rem, 2vw, 1.9rem)/1.2 var(--serif); }
html[lang=ja] .win h3 { font: 500 clamp(1.1rem, 1.5vw, 1.3rem)/1.6 var(--mincho); letter-spacing: .1em; }
.win p { margin-top: .7rem; padding: 0 .6rem; color: rgba(255,255,255,.8); font-size: .92rem; }
.win .offer { margin-top: .9rem; font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--rose); flex: 1; }
.svc-go { margin-top: 1.4rem; font: 400 .74rem var(--sans); letter-spacing: .24em; text-transform: uppercase; padding-bottom: .3rem; border-bottom: 1px solid var(--rose); }
.svc-go:hover { color: var(--rose); }/* ── artist ── */
.artist { padding: 0 0 calc(var(--blend) + 16px); background: var(--navy); }
.artist .wrap { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
.portrait { position: relative; aspect-ratio: 4/5; }
.portrait::before { content: ''; position: absolute; inset: 18px -18px -18px 18px; border: 1px solid rgba(225,155,176,.45); }
.portrait img { position: relative; width: 100%; height: 100%; object-fit: cover; }
.artist h2 { letter-spacing: .14em; }
.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem 2rem; margin-top: 2.4rem; padding-top: 2rem; border-top: 1px solid var(--line-d); }
.facts dt { font: 500 .68rem var(--sans); letter-spacing: .26em; text-transform: uppercase; color: var(--rose); }
.facts dd { margin-top: .3rem; font-size: .95rem; color: rgba(255,255,255,.88); }

/* ── contact ── */
.contact { background: var(--washi); padding: calc(var(--gap) * .4) 0 calc(var(--blend) + 16px); }
.contact .wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 7vw, 110px); }
.contact dl { margin-top: 2.4rem; }
.contact dt { font: 500 .68rem var(--sans); letter-spacing: .3em; text-transform: uppercase; color: var(--rose-ink); margin-top: 1.5rem; }
.contact dd { font: 400 1.4rem var(--serif); color: var(--ink); }
.contact dd a { border-bottom: 1px solid transparent; transition: border-color .4s; }
.contact dd a:hover { border-color: var(--rose-ink); }
form.inq { display: grid; gap: 1.8rem; align-content: start; padding: clamp(28px, 4vw, 52px); background: var(--paper); box-shadow: 0 0 0 1px var(--line), 0 40px 80px -50px rgba(20,27,46,.4); }
form.inq label { display: grid; font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: var(--mute); }
form.inq :is(input, select, textarea) { font: 300 1.05rem var(--sans); padding: .7rem 0; border: 0; border-bottom: 1px solid rgba(20,27,46,.25); background: none; color: var(--ink); border-radius: 0; width: 100%; transition: border-color .4s; }
form.inq textarea { min-height: 110px; resize: vertical; }
form.inq :is(input, select, textarea):focus { outline: none; border-color: var(--rose-ink); }
form.inq :is(input, select, textarea):focus-visible { box-shadow: 0 1px 0 var(--rose-ink); }
form.inq .btn { justify-self: start; color: var(--navy); }

footer { color: rgba(255,255,255,.75); padding: calc(var(--gap) * .4) 0 36px; background: var(--navy); text-align: center; }
footer .mark { width: min(300px, 64vw); margin: 0 auto; }
footer .motto { font: 500 .95rem var(--mincho); letter-spacing: .5em; color: #fff; margin-top: 2rem; }
footer .motto + p { font: italic 300 1.15rem var(--serif); margin-top: .2rem; }
footer .bottom { margin-top: 4rem; padding-top: 1.4rem; border-top: 1px solid var(--line-d); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; }
footer .bottom a:hover { color: var(--rose); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
#petals { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 35; pointer-events: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

@media (max-width: 900px) {
  body { font-size: 16px; }
  .menu { display: block; }
  nav { position: fixed; inset: 0; z-index: -1; flex-direction: column; justify-content: center; align-items: center; gap: 1.6rem; background: var(--navy); font: 300 2.1rem var(--serif); letter-spacing: .04em; text-transform: none; opacity: 0; visibility: hidden; transition: opacity .5s, visibility .5s; }
  html[lang=ja] nav { font: 500 1.4rem var(--mincho); }
  .menu-open nav { opacity: 1; visibility: visible; }
  .lang { order: 3; }
  header .wrap { gap: 1rem; }
  .hero { grid-template-columns: 1fr; gap: 28px; padding: 96px 16px 40px; align-content: center; }
  .arch { width: min(100% - 24px, 40svh * 2 / 3); }
  .arch:first-of-type { display: none; }
  .arch:last-child { order: -1; }
  .hero-copy .mark { width: min(240px, 64vw); }
  .kicker { margin-top: 1.4rem; }
  .hero .btn { margin-top: 1.4rem; }
  .statement { padding-bottom: calc(var(--blend) * .9); }
  .portrait .sakura-hang { left: -14px; width: 46%; }
  .sakura-left { width: 55vw; bottom: -40px; }
  .foot-l { width: 34vw; top: 4%; }
  .foot-r { width: 30vw; top: 2%; }
  .statement .sakura { width: 62vw; bottom: -28px; }
  .featured .wrap { grid-template-columns: 1fr; }
  .stage { height: auto; width: 100%; }
  .placard .pl { margin-top: 1.6rem; }
  .svc, .artist .wrap, .contact .wrap { grid-template-columns: 1fr; }
  .windows { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; gap: 28px; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .portrait { margin-right: 18px; }
}