/* ==========================================================
   YAMATOCRANE — 大和鶴金属工業株式会社
   ========================================================== */
:root {
  --navy: #141b4d;
  --ink: #0b1030;
  --paper: #f1ece2;
  --paper-2: #e6dfd0;
  --orange: #ff8a4c;
  --orange-ink: #b8501d;
  --logo-yellow: #FFE000;
  --gold: #f7b65a;
  --line: rgba(20, 27, 77, .16);
  --muted: rgba(20, 27, 77, .76);

  --f-jp: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
  --f-min: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --f-dot: "DotGothic16", var(--f-jp);
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;
  --f-word: "Rubik Mono One", var(--f-jp);

  --gut: clamp(16px, 3.4vw, 56px);
  --ease: cubic-bezier(.16, 1, .3, 1);
  --nav-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--navy);
  font-family: var(--f-jp);
  font-size: 17px;
  line-height: 1.9;
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
  overflow-x: clip;
}
body.is-loading { overflow: hidden; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, p, ol, dl, dd, fieldset { margin: 0; padding: 0; }
ol { list-style: none; }
fieldset { border: 0; min-width: 0; }
::selection { background: var(--orange); color: var(--ink); }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: fixed; left: 12px; top: -60px; z-index: 200; background: var(--navy); color: var(--paper); padding: 8px 14px; border-radius: 99px; }
.skip:focus { top: 12px; }

.label {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  line-height: 1.4;
}
.label--num { display: inline-flex; align-items: center; gap: 10px; }
.label--num::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--orange); }

.h2 {
  font-family: var(--f-min);
  font-weight: 700;
  font-size: clamp(34px, 5.2vw, 84px);
  line-height: 1.22;
  letter-spacing: .02em;
  margin-top: 22px;
}
.h2--sm { font-size: clamp(30px, 3.8vw, 60px); }
[data-reveal] > span { display: block; white-space: nowrap; }

/* ---------- WebGL / overlays ---------- */
#gl {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 20;
  pointer-events: none;
}
.grain {
  position: fixed; inset: -50%;
  z-index: 60;
  pointer-events: none;
  opacity: .07;
  background-image: 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='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(6) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -4%); }
  60% { transform: translate(-4%, -1%); } 80% { transform: translate(3%, 3%); } 100% { transform: translate(0, 0); }
}
.progress { position: fixed; left: 0; top: 0; right: 0; height: 2px; z-index: 90; pointer-events: none; }
.progress span { display: block; height: 100%; background: var(--orange); transform-origin: 0 50%; transform: scaleX(0); }

/* ---------- cursor ---------- */
.cursor { position: fixed; left: 0; top: 0; z-index: 150; pointer-events: none; mix-blend-mode: normal; }
.cursor__dot, .cursor__ring { position: absolute; left: 0; top: 0; border-radius: 50%; will-change: transform; }
.cursor__dot { width: 6px; height: 6px; margin: -3px 0 0 -3px; background: var(--orange); }
.cursor__ring {
  width: 38px; height: 38px; margin: -19px 0 0 -19px;
  border: 1px solid rgba(255, 138, 76, .7);
  display: grid; place-items: center;
  transition: width .5s var(--ease), height .5s var(--ease), margin .5s var(--ease), background-color .4s, border-color .4s;
}
.cursor__label { font-family: var(--f-mono); font-size: 12px; letter-spacing: .14em; color: var(--ink); opacity: 0; transition: opacity .3s; }
.cursor.is-label .cursor__ring { width: 84px; height: 84px; margin: -42px 0 0 -42px; background: var(--orange); border-color: var(--orange); }
.cursor.is-label .cursor__label { opacity: 1; }
.cursor.is-hover .cursor__ring { width: 56px; height: 56px; margin: -28px 0 0 -28px; }
.cursor.is-hidden { opacity: 0; }
@media (hover: none) { .cursor { display: none; } }
@media (hover: hover) and (pointer: fine) { html.has-cursor, html.has-cursor a, html.has-cursor button { cursor: none; } }

/* ---------- loader ---------- */
.loader { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; color: var(--paper); }
.loader__half { position: absolute; left: 0; right: 0; height: 50.5%; background: var(--navy); will-change: transform; }
.loader__half--top { top: 0; }
.loader__half--bottom { bottom: 0; }
.loader__inner { position: relative; display: flex; align-items: center; gap: clamp(20px, 4vw, 48px); }
.loader__shape { width: clamp(54px, 7vw, 84px); height: auto; overflow: visible; }
.loader__path { fill: none; stroke: var(--orange); stroke-width: 1.4; stroke-linejoin: round; }
.loader__meta { display: flex; flex-direction: column; gap: 10px; }
.loader__kanji { font-family: var(--f-dot); font-size: clamp(26px, 3vw, 38px); letter-spacing: .3em; color: var(--orange); }
.loader__count { font-family: var(--f-mono); font-size: 14px; letter-spacing: .3em; opacity: .7; }
.loader.is-done { pointer-events: none; }

/* ---------- buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  height: 52px; padding: 0 28px; border-radius: 99px;
  font-size: 16px; font-weight: 700; letter-spacing: .08em; white-space: nowrap;
  overflow: hidden; isolation: isolate;
  transition: color .5s var(--ease), border-color .4s;
}
.btn > span { position: relative; z-index: 1; display: inline-block; }
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: 0; border-radius: inherit;
  transform: translateY(101%); transition: transform .6s var(--ease);
}
.btn:hover::before { transform: translateY(0); }
.btn--pill { height: 42px; padding: 0 20px; font-size: 15px; background: var(--navy); color: var(--paper); }
.btn--pill::before { background: var(--orange); }
.btn--pill:hover { color: var(--ink); }
.btn--solid { background: var(--navy); color: var(--paper); }
.btn--solid::before { background: var(--orange); }
.btn--solid:hover { color: var(--ink); }
.btn--ghost { border: 1px solid var(--navy); color: var(--navy); }
.btn--ghost::before { background: var(--navy); }
.btn--ghost:hover, .btn--ghost[aria-pressed="true"] { color: var(--paper); }
.btn--ghost[aria-pressed="true"]::before { transform: none; }
.btn--light { background: var(--orange); color: var(--ink); }
.btn--light::before { background: var(--paper); }

/* ---------- nav ---------- */
.nav {
  position: fixed; left: 0; right: 0; top: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 0 var(--gut);
  transition: color .5s, transform .7s var(--ease);
}
.nav__logo { display: flex; align-items: center; gap: 12px; }

.mark { width: 62px; color: var(--navy); transition: color .5s; }
.nav__word { font-family: var(--f-word); font-size: 15px; letter-spacing: .08em; }
.nav__links { display: flex; gap: clamp(16px, 2.2vw, 36px); font-size: 15px; font-weight: 500; }
.nav__links a { position: relative; display: inline-flex; align-items: baseline; gap: 6px; padding: 6px 0; }
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: 100% 50%; transition: transform .6s var(--ease);
}
.nav__links a:hover::after, .nav__links a.is-active::after { transform: scaleX(1); transform-origin: 0 50%; }
.nav__num { font-family: var(--f-mono); font-size: 12px; opacity: .7; }
.nav__right { display: flex; align-items: center; gap: 18px; }
.nav__clock { font-family: var(--f-mono); font-size: 13px; letter-spacing: .12em; white-space: nowrap; }
.nav__clock-label { opacity: .75; }
.nav__burger { display: none; width: 44px; height: 44px; border-radius: 50%; background: var(--navy); position: relative; }
.nav__burger span { position: absolute; left: 14px; right: 14px; height: 1.5px; background: var(--paper); transition: transform .5s var(--ease); }
.nav__burger span:first-child { top: 18px; }
.nav__burger span:last-child { top: 25px; }
body.menu-open .nav__burger span:first-child { transform: translateY(3.5px) rotate(45deg); }
body.menu-open .nav__burger span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

body.nav-dark .nav { color: var(--paper); }
body.nav-dark .mark, body.menu-open .mark { color: var(--logo-yellow); }
body.nav-dark .nav .btn--pill { background: var(--orange); color: var(--ink); }
body.nav-dark .nav .btn--pill::before { background: var(--paper); }
body.nav-orange .nav .btn--pill { background: var(--ink); }
body.nav-hidden .nav { transform: translateY(-110%); }

.menu {
  position: fixed; inset: 0; z-index: 95; background: var(--navy); color: var(--paper);
  display: flex; align-items: flex-end; padding: 100px var(--gut) 48px;
  clip-path: inset(0 0 100% 0); transition: clip-path .8s var(--ease); visibility: hidden;
}
body.menu-open .menu { clip-path: inset(0 0 0 0); visibility: visible; }
body.menu-open .nav { color: var(--paper); }
.menu nav { display: flex; flex-direction: column; gap: 6px; width: 100%; }
.menu a { font-family: var(--f-min); font-weight: 700; font-size: clamp(22px, 6.4vw, 44px); line-height: 1.35; display: flex; gap: 16px; align-items: baseline; border-bottom: 1px solid rgba(241,236,226,.14); padding-bottom: 8px; }
.menu a span { font-family: var(--f-mono); font-size: 13px; color: var(--orange); min-width: 2em; }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100svh; min-height: 100vh;
  padding: calc(var(--nav-h) + 4vh) var(--gut) 0;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr auto auto;
  overflow: hidden;
}
@supports (min-height: 100svh) { .hero { min-height: 100svh; } }
.hero__meta { display: flex; gap: 28px; color: var(--muted); }
.hero__title {
  align-self: center;
  font-family: var(--f-min); font-weight: 900;
  font-size: clamp(64px, 11.4vw, 210px);
  line-height: 1.04; letter-spacing: -.01em;
  margin: 3vh 0 4vh;
}
.hero__title .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero__title .line--indent { padding-left: .9em; }
.hero__title .char { display: inline-block; will-change: transform; }
.hero__title .char--punc { color: var(--orange); }
.hero__sub { display: grid; grid-template-columns: auto auto; justify-content: start; column-gap: clamp(24px, 5vw, 80px); row-gap: 22px; align-items: end; padding-bottom: 32px; max-width: min(66%, 760px); }
.hero__cta { flex-wrap: nowrap; }
.hero__lead { font-size: clamp(17px, 1.3vw, 19px); font-weight: 500; }
.hero__en { font-family: var(--f-mono); font-size: 14px; line-height: 1.7; letter-spacing: .06em; color: var(--muted); }
.hero__vertical {
  position: absolute; right: var(--gut); top: 50%; transform: translateY(-50%);
  writing-mode: vertical-rl; font-family: var(--f-min); font-size: 15px; letter-spacing: .5em; color: var(--muted);
}
.hero__cue { position: absolute; right: var(--gut); bottom: 96px; display: flex; flex-direction: column; align-items: center; gap: 12px; color: var(--muted); }
.hero__cue .label { writing-mode: vertical-rl; }
.hero__cue-line { width: 1px; height: 56px; background: var(--line); position: relative; overflow: hidden; }
.hero__cue-line::after { content: ""; position: absolute; left: 0; top: 0; width: 1px; height: 40%; background: var(--navy); animation: cue 2s var(--ease) infinite; }
@keyframes cue { 0% { transform: translateY(-100%); } 100% { transform: translateY(260%); } }
.hero__fallback { display: none; }
.no-webgl .hero__fallback { display: block; position: absolute; right: 12vw; top: 50%; transform: translateY(-50%) rotate(14deg); height: 70vh; }

.marquee { margin: 0 calc(var(--gut) * -1); border-top: 1px solid var(--line); overflow: hidden; white-space: nowrap; }
.marquee__track { display: inline-flex; align-items: center; gap: 36px; padding: 18px 0; animation: marquee 38s linear infinite; }
.marquee__track span { font-family: var(--f-word); font-size: clamp(16px, 1.6vw, 22px); letter-spacing: .04em; }
.marquee__track .jp { font-family: var(--f-min); font-weight: 900; }
.marquee__track .dot { font-family: var(--f-dot); color: var(--orange); }
.marquee__track i { font-style: normal; color: var(--orange); font-size: 14px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- STORY ---------- */
.story { position: relative; padding: clamp(120px, 18vh, 220px) var(--gut) clamp(120px, 16vh, 200px); }
.story__grid { display: grid; grid-template-columns: 5fr 6fr; gap: 4vw; }
.story__side { position: relative; }
.story__photo { position: sticky; top: calc(var(--nav-h) + 6vh); margin: 40px 0 0; max-width: 520px; }
.story__photo img { width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 8px; box-shadow: 0 40px 70px -40px rgba(11,16,48,.45); }
.story__photo figcaption { margin-top: 18px; font-family: var(--f-min); font-weight: 700; font-size: 17px; line-height: 1.8; }
.story__text {
  margin-top: 56px;
  font-family: var(--f-min); font-weight: 500;
  font-size: clamp(20px, 1.9vw, 30px); line-height: 2.05; letter-spacing: .06em;
}
.story__text .ch { opacity: .14; transition: none; }
.story__facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 80px; border-top: 1px solid var(--line); }
.fact { padding-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.fact__num { font-family: var(--f-word); font-size: clamp(42px, 4.6vw, 72px); line-height: 1; letter-spacing: -.02em; }
.fact__num small { font-size: .5em; color: var(--orange); margin: 0 .08em; vertical-align: .35em; }
.fact__txt { font-size: 16px; color: var(--muted); line-height: 1.8; }

/* ---------- ANATOMY ---------- */
.anatomy { position: relative; }
.anatomy__pin {
  position: relative; height: 100vh; height: 100svh; overflow: hidden;
  padding: calc(var(--nav-h) + 3vh) var(--gut) 40px;
  background:
    radial-gradient(circle at 50% 52%, rgba(255,255,255,.55), rgba(255,255,255,0) 42%),
    linear-gradient(var(--line), var(--line)) 50% 0 / 1px 100% no-repeat,
    var(--paper-2);
}
.anatomy__head { position: relative; z-index: 2; max-width: 360px; }
.anatomy__def { margin-top: 18px; font-size: 16px; color: var(--muted); line-height: 1.9; }
.anatomy__lines { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; overflow: visible; }
.anatomy__lines line { stroke: var(--navy); stroke-width: 1; stroke-dasharray: 3 4; }
.anatomy__lines circle { fill: var(--orange); }
.anatomy__lines circle.ring { fill: none; stroke: var(--orange); stroke-width: 1; }
.anatomy__lines text { font-family: var(--f-mono); font-size: 12px; fill: var(--ink); }

.anatomy__labels { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.tag {
  position: absolute; top: var(--y); width: min(250px, 22vw);
  display: grid; grid-template-columns: auto 1fr; column-gap: 12px; row-gap: 2px;
  padding-top: 12px; border-top: 1px solid var(--navy);
  opacity: 0; transform: translateY(16px);
  transition: opacity .6s var(--ease), transform .8s var(--ease);
}
.tag[data-side="left"] { left: max(var(--gut), 9vw); }
.tag[data-side="right"] { right: max(var(--gut), 9vw); }
.tag.is-on { opacity: 1; transform: none; }
.tag__no { grid-row: span 3; font-family: var(--f-mono); font-size: 13px; color: var(--orange-ink); padding-top: 2px; }
.tag__en { font-family: var(--f-mono); font-size: 12px; letter-spacing: .16em; color: var(--muted); }
.tag strong { font-family: var(--f-min); font-size: 22px; font-weight: 700; line-height: 1.4; }
.tag__txt { font-size: 15px; color: var(--muted); line-height: 1.75; }

.anatomy__fold { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.anatomy__fold p { font-family: var(--f-min); font-weight: 900; font-size: clamp(28px, 3.6vw, 60px); line-height: 1.3; }
.anatomy__fold p > span { display: block; }
.anatomy__fold-a { position: absolute; left: max(var(--gut), 8vw); top: 26%; }
.anatomy__fold-b { position: absolute; right: max(var(--gut), 6vw); top: 50%; transform: translateY(-50%); text-align: right; }
.anatomy__fold p > span { opacity: 0; transform: translateY(40px); transition: opacity .7s var(--ease), transform 1s var(--ease); }
.anatomy__fold.is-a .anatomy__fold-a > span:first-child,
.anatomy__fold.is-a2 .anatomy__fold-a > span:nth-child(2),
.anatomy__fold.is-b .anatomy__fold-b > span { opacity: 1; transform: none; }
.anatomy__fold.is-b .anatomy__fold-b > span:nth-child(2) { transition-delay: .12s; color: var(--orange); }
.anatomy__fold-a > span:nth-child(2) { color: var(--orange-ink); }

.anatomy__steps {
  position: absolute; left: var(--gut); bottom: 36px; z-index: 2;
  display: grid; grid-template-columns: repeat(3, auto); column-gap: 28px; row-gap: 10px;
  font-family: var(--f-mono); font-size: 13px; letter-spacing: .14em; color: var(--muted);
}
.anatomy__steps span { transition: color .4s; }
.anatomy__steps span.is-on { color: var(--navy); }
.anatomy__bar { grid-column: 1 / -1; height: 1px; background: var(--line); position: relative; }
.anatomy__bar b { position: absolute; inset: 0; background: var(--orange); transform-origin: 0 50%; transform: scaleX(0); }

/* ---------- HOW IT WORKS ---------- */
.howto { position: relative; z-index: 1; background: var(--paper); padding: clamp(110px, 16vh, 180px) var(--gut); }
.howto__head { display: grid; grid-template-columns: 5fr 7fr; gap: 6vw; align-items: end; }
.howto__head .label { grid-column: 1 / -1; }
.howto__head .h2 { margin-top: 0; }
.howto__lead { color: var(--muted); font-size: 17px; max-width: 460px; }
.howto__steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2.4vw, 36px); margin-top: clamp(56px, 8vh, 96px); }
.howto__step { display: grid; grid-template-columns: auto 1fr; column-gap: 14px; align-items: baseline; }
.howto__fig { grid-column: 1 / -1; width: 100%; aspect-ratio: 1; background: var(--paper-2); border-radius: 6px; padding: 9%; margin-bottom: 22px; overflow: visible; }
.howto__fig .sk { fill: #fbfaf7; stroke: var(--navy); stroke-width: 1.4; stroke-linejoin: round; }
.howto__fig .sk--b { fill: #e9e4d8; }
.howto__fig .rib { fill: none; stroke: var(--navy); stroke-width: .8; opacity: .45; }
.howto__fig .clip rect { fill: var(--orange); stroke: var(--ink); stroke-width: 1.2; }
.howto__fig .clip path { stroke: var(--ink); stroke-width: 1.6; stroke-linecap: round; }
.howto__fig .clip--off { opacity: .9; }
.howto__fig .arrow { fill: none; stroke: var(--orange); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 4 4; }
.howto__fig .note { font-family: var(--f-jp); font-size: 12px; font-weight: 700; fill: var(--orange-ink); letter-spacing: .1em; }
.howto__no { font-family: var(--f-mono); font-size: 13px; color: var(--orange-ink); }
.howto__step h3 { font-family: var(--f-min); font-weight: 700; font-size: clamp(22px, 2vw, 30px); line-height: 1.4; }
.howto__step p { grid-column: 2; margin-top: 8px; color: var(--muted); font-size: 16px; }

/* ---------- COLLECTION ---------- */
.collection { background: var(--ink); color: var(--paper); position: relative; z-index: 1; }
.collection__pin { height: 100vh; height: 100svh; overflow: hidden; display: flex; align-items: center; }
.collection__track { display: flex; align-items: stretch; gap: clamp(16px, 2vw, 28px); padding: calc(var(--nav-h) + 4vh) var(--gut) 6vh; height: 100%; will-change: transform; }
.collection__intro { flex: 0 0 min(460px, 80vw); display: flex; flex-direction: column; justify-content: center; padding-right: 3vw; }
.collection__intro p { margin-top: 28px; font-size: 16px; opacity: .88; max-width: 360px; }
.collection__hint { margin-top: 40px; color: var(--orange); }
.collection .label--num { color: var(--paper); }

.card {
  flex: 0 0 clamp(300px, 36vw, 540px); align-self: center;
  display: flex; flex-direction: column;
  background: var(--paper-2); color: var(--navy);
  border-radius: 6px; overflow: hidden; position: relative;
}
.card__img { aspect-ratio: 4 / 3; overflow: hidden; position: relative; }
.card__img img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); will-change: transform; transition: filter .6s; }
.card:hover .card__img img { filter: brightness(1.06) saturate(1.08); }
.card__info { display: grid; grid-template-columns: auto 1fr; column-gap: 14px; padding: 18px 20px 20px; border-top: 1px solid rgba(20,27,77,.12); }
.card__no { grid-row: span 2; font-family: var(--f-mono); font-size: 13px; color: var(--orange-ink); padding-top: 4px; }
.card h3 { font-family: var(--f-min); font-size: 19px; font-weight: 700; line-height: 1.4; }
.card p { font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; color: var(--muted); }
.collection__end {
  flex: 0 0 clamp(260px, 26vw, 380px); align-self: center; height: min(70vh, 520px);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 28px; border: 1px solid rgba(241,236,226,.22); border-radius: 6px;
  transition: background .6s var(--ease), color .6s;
}
.collection__end:hover { background: var(--orange); color: var(--ink); }
.collection__end-big { font-family: var(--f-min); font-weight: 900; font-size: clamp(32px, 3.4vw, 52px); line-height: 1.3; }
.collection__end-arrow { font-size: 40px; line-height: 1; }

/* ---------- ARCHIVE ---------- */
.archive { position: relative; z-index: 1; background: var(--paper); padding: clamp(120px, 18vh, 200px) var(--gut) clamp(100px, 14vh, 160px); }
.archive__grid { display: grid; grid-template-columns: 4fr 7fr; gap: 6vw; align-items: start; }
.archive__side { position: sticky; top: calc(var(--nav-h) + 6vh); }
.archive__lead { margin-top: 32px; max-width: 380px; color: var(--muted); font-size: 17px; }
.archive__stats { display: grid; grid-template-columns: 1fr 1fr; margin-top: 48px; border-top: 1px solid var(--line); max-width: 380px; }
.archive__stats div { padding-top: 18px; }
.archive__stats dt { font-family: var(--f-mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.archive__stats dd small { font-size: .38em; margin-left: .2em; }
.archive__stats dd { margin: 0; font-family: var(--f-word); font-size: clamp(34px, 3.4vw, 54px); line-height: 1.2; }
.archive__hint { margin-top: 40px; color: var(--orange-ink); }
.archive__hint-touch { display: none; }
@media (hover: none) { .archive__hint-fine { display: none; } .archive__hint-touch { display: inline; } }
.archive__frame { margin: 0; }
.archive__img {
  position: relative; border-radius: 4px; overflow: hidden; cursor: zoom-in; touch-action: pan-y;
  box-shadow: 0 0 0 14px #fbfaf7, 0 0 0 15px rgba(20,27,77,.08), 0 50px 80px -30px rgba(11,16,48,.35);
  margin: 15px;
}
.archive__img img { width: 100%; height: auto; transform: scale(1.001); }
.archive__frame figcaption { margin: 34px 15px 0; color: var(--muted); }
.loupe {
  position: absolute; left: 0; top: 0; width: 240px; height: 240px; margin: -120px 0 0 -120px;
  border-radius: 50%; pointer-events: none; background-repeat: no-repeat;
  box-shadow: 0 0 0 2px var(--paper), 0 0 0 3px var(--orange), 0 24px 50px rgba(11,16,48,.35);
  opacity: 0; transform: scale(.6); transition: opacity .35s, transform .5s var(--ease);
}
.loupe.is-on { opacity: 1; transform: scale(1); }
.archive__details { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: clamp(16px, 2vw, 32px); margin-top: clamp(80px, 12vh, 140px); align-items: start; }
.archive__details figure { margin: 0; }
.archive__details figure:nth-child(2) { margin-top: 12vh; }
.archive__details figure:nth-child(3) { margin-top: 4vh; }
.archive__details img { width: 100%; height: clamp(220px, 26vw, 380px); object-fit: cover; border-radius: 4px; }
.archive__details figcaption { margin-top: 14px; color: var(--muted); }
.anatomy__head { transition: opacity .6s var(--ease), transform .8s var(--ease); }
.anatomy.is-folding .anatomy__head { opacity: 0; transform: translateY(-16px); }

/* ---------- PROCESS ---------- */
.process { padding: clamp(120px, 18vh, 200px) var(--gut); position: relative; z-index: 1; background: var(--paper); }
.process__grid { display: grid; grid-template-columns: 5fr 7fr; gap: 6vw; }
.process__side { position: sticky; top: calc(var(--nav-h) + 6vh); align-self: start; }
.process__lead { margin-top: 32px; max-width: 400px; color: var(--muted); font-size: 17px; }
.step { display: grid; grid-template-columns: clamp(80px, 10vw, 150px) 1fr; gap: 20px; padding: 44px 0; border-top: 1px solid var(--line); }
.step:last-child { border-bottom: 1px solid var(--line); }
.step__no { font-family: var(--f-word); font-size: clamp(40px, 5vw, 76px); line-height: .9; color: transparent; -webkit-text-stroke: 1px var(--navy); transition: color .6s var(--ease); }
.step:hover .step__no { color: var(--orange); -webkit-text-stroke-color: var(--orange); }
.step__en { font-family: var(--f-mono); font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--orange-ink); }
.step h3 { font-family: var(--f-min); font-weight: 700; font-size: clamp(24px, 2.4vw, 36px); line-height: 1.4; margin: 4px 0 10px; }
.step p { color: var(--muted); font-size: 17px; max-width: 460px; }

/* ---------- NARA ---------- */
.nara { position: relative; z-index: 1; background: var(--orange); color: var(--ink); padding: clamp(100px, 14vh, 160px) var(--gut); overflow: hidden; }
.nara__coords { display: flex; justify-content: space-between; }
.nara__big { display: flex; justify-content: space-between; font-family: var(--f-word); font-weight: 400; font-size: 27vw; line-height: .9; letter-spacing: -.02em; margin: 4vh 0 6vh; }
.nara__big span { display: inline-block; }
.nara__body { display: grid; grid-template-columns: 1fr 1fr; gap: 4vw; align-items: end; }
.nara__jp { font-family: var(--f-min); font-weight: 900; font-size: clamp(30px, 4vw, 64px); line-height: 1.3; }
.nara__txt { font-size: 17px; max-width: 480px; justify-self: end; }

/* ---------- COMPANY ---------- */
.company { position: relative; z-index: 1; background: var(--paper); padding: clamp(110px, 16vh, 180px) var(--gut); }
.company__grid { display: grid; grid-template-columns: 5fr 7fr; gap: 6vw; }
.company__table > div { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding: 26px 0; border-top: 1px solid var(--line); }
.company__table > div:last-child { border-bottom: 1px solid var(--line); }
.company__table dt { font-size: 15px; color: var(--muted); padding-top: 2px; }
.company__table dd { font-size: 17px; font-weight: 500; }
.company__table .en { font-family: var(--f-word); font-size: 14px; letter-spacing: .08em; color: var(--muted); }
.company__table a { border-bottom: 1px solid var(--line); transition: border-color .3s; }
.company__table a:hover { border-color: var(--orange); }
.company__map { margin-top: 10px; display: inline-flex; gap: 6px; font-family: var(--f-mono); font-size: 13px; letter-spacing: .12em; color: var(--orange-ink); }

/* ---------- CONTACT / QUOTE FORM ---------- */
.contact { position: relative; z-index: 1; background: var(--paper-2); color: var(--navy); padding: clamp(110px, 16vh, 180px) var(--gut); }
.contact__grid { display: grid; grid-template-columns: 4fr 7fr; gap: 5vw; align-items: start; }
.contact__head { position: sticky; top: calc(var(--nav-h) + 4vh); }
.contact__head p { margin-top: 28px; font-size: 17px; line-height: 1.9; max-width: 400px; }
.contact__tel { display: inline-flex; flex-direction: column; margin-top: 40px; }
.contact__tel b { font-family: var(--f-word); font-weight: 400; font-size: clamp(26px, 2.6vw, 36px); letter-spacing: .02em; transition: color .3s; }
.contact__tel:hover b { color: var(--orange-ink); }
.contact__tel span { font-size: 15px; color: var(--muted); }
.form { display: flex; flex-direction: column; gap: 28px; background: #fff; border-radius: 14px; padding: clamp(24px, 3.4vw, 52px); box-shadow: 0 1px 0 rgba(20,27,77,.06), 0 40px 70px -48px rgba(11,16,48,.45); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.field { display: flex; flex-direction: column; gap: 10px; }
.field > span { font-size: 16px; font-weight: 700; letter-spacing: .04em; color: var(--navy); }
.field em { font-style: normal; font-size: 12px; font-weight: 700; color: #fff; background: var(--orange-ink); padding: 2px 8px; border-radius: 4px; margin-left: 8px; vertical-align: 2px; letter-spacing: .08em; }
.field input, .field textarea {
  width: 100%; min-height: 56px; background: #fbfaf7; border: 1.5px solid rgba(20,27,77,.24); border-radius: 8px;
  color: var(--ink); font: 500 17px/1.6 var(--f-jp); padding: 14px 16px;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.field textarea { resize: vertical; min-height: 150px; }
.field input::placeholder, .field textarea::placeholder { color: rgba(20,27,77,.42); }
.field input:hover, .field textarea:hover { border-color: rgba(20,27,77,.45); }
.field input:focus, .field textarea:focus { outline: none; background: #fff; border-color: var(--navy); box-shadow: 0 0 0 4px rgba(255,138,76,.32); }
.field.is-error input, .field.is-error textarea { border-color: #d23a3a; background: #fff6f6; }
.field.is-error > span::after { content: "入力してください"; margin-left: 10px; font-size: 14px; font-weight: 700; color: #d23a3a; }
.radios { display: flex; flex-wrap: wrap; gap: 10px; }
.radios label { position: relative; display: inline-flex; align-items: center; gap: 8px; min-height: 50px; padding: 8px 20px; border: 1.5px solid rgba(20,27,77,.24); border-radius: 99px; background: #fbfaf7; font-size: 16px; font-weight: 500; color: var(--navy); cursor: pointer; transition: background .25s, color .25s, border-color .25s; }
.radios label:hover { border-color: var(--navy); }
.radios input { position: absolute; opacity: 0; pointer-events: none; }
.radios i { display: none; }
.radios label:has(input:checked) { background: var(--navy); color: #fff; border-color: var(--navy); }
.radios label:has(input:checked)::before { content: "✓"; font-weight: 700; color: var(--orange); }
.radios label:has(input:focus-visible) { outline: 3px solid var(--orange); outline-offset: 3px; }
.form__foot { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; padding-top: 8px; border-top: 1px solid rgba(20,27,77,.1); }
.form__foot .btn { height: 62px; padding: 0 36px; font-size: 17px; }
.form__note { font-size: 14px; color: var(--muted); max-width: 360px; }
.form__status { font-size: 17px; font-weight: 700; color: var(--orange-ink); min-height: 1.5em; }

/* ---------- FOOTER ---------- */
.footer { position: relative; z-index: 1; background: var(--ink); color: var(--paper); padding: 64px var(--gut) 28px; overflow: hidden; }
.footer__top { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; padding-bottom: 40px; border-bottom: 1px solid rgba(241,236,226,.14); }
.footer__brand { display: flex; align-items: center; gap: 22px; }
.footer__mark { width: 96px; height: auto; color: var(--logo-yellow); flex: none; }
.footer__copy { font-family: var(--f-min); font-weight: 700; font-size: 22px; }
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 26px; font-size: 15px; opacity: .8; }
.footer__links a:hover { color: var(--orange); }
.footer__top-btn { width: 56px; height: 56px; border-radius: 50%; border: 1px solid rgba(241,236,226,.3); display: grid; place-items: center; font-size: 20px; transition: background .4s, color .4s; }
.footer__top-btn:hover { background: var(--orange); color: var(--ink); border-color: var(--orange); }
.footer__word { font-family: var(--f-word); font-size: 10.4vw; line-height: 1; letter-spacing: -.02em; margin: 6vw 0 3vw; white-space: nowrap; color: var(--paper); }
.footer__word .ch { display: inline-block; }
.footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-family: var(--f-mono); font-size: 13px; letter-spacing: .1em; opacity: .8; }
.footer__dot { font-family: var(--f-dot); color: var(--orange); opacity: 1; letter-spacing: .3em; }

/* ---------- QUOTE CTAs ---------- */
.hero__cta { grid-column: 1 / -1; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.hero__tel { display: inline-flex; align-items: baseline; gap: 8px; font-family: var(--f-word); font-size: 17px; letter-spacing: .04em; transition: color .3s; }
.hero__tel .label { color: var(--muted); }
.hero__tel:hover { color: var(--orange); }
.process__cta { margin-top: 36px; }
.form__quote { display: flex; flex-direction: column; gap: 26px; padding: 26px 0 4px; border-top: 1px dashed rgba(20,27,77,.22); }
.form__quote[hidden] { display: none; }
.quote-fab {
  position: fixed; right: max(var(--gut), env(safe-area-inset-right)); bottom: max(22px, env(safe-area-inset-bottom)); z-index: 90;
  display: inline-flex; align-items: center; gap: 10px; height: 54px; padding: 0 22px 0 8px; border-radius: 99px;
  background: var(--orange); color: var(--ink); font-size: 16px; font-weight: 700; letter-spacing: .08em;
  box-shadow: 0 14px 30px -10px rgba(11,16,48,.45);
  transform: translateY(140%); opacity: 0; pointer-events: none;
  transition: transform .7s var(--ease), opacity .4s, background .3s;
}
.quote-fab.is-on { transform: none; opacity: 1; pointer-events: auto; }
.quote-fab:hover { background: var(--paper); }
.quote-fab__icon { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--orange); font-family: var(--f-word); font-size: 16px; }

/* ---------- ONLY-ONE BADGE ---------- */
.hero__lead strong { font-weight: 700; background: linear-gradient(transparent 62%, rgba(255,138,76,.45) 62%); }
.badge { position: relative; width: 92px; height: 92px; display: grid; place-items: center; flex: none; }
.badge svg { position: absolute; inset: 0; width: 100%; height: 100%; animation: spin 18s linear infinite; overflow: visible; }
.badge text { font-family: var(--f-mono); font-size: 9.6px; letter-spacing: .12em; fill: var(--navy); }
.badge b { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--orange); color: var(--ink); font-family: var(--f-word); font-weight: 400; font-size: 20px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- SPEC ---------- */
.spec { position: relative; z-index: 1; background: var(--navy); color: var(--paper); padding: clamp(110px, 16vh, 180px) var(--gut); }
.spec .label--num { color: var(--paper); }
.spec__head { display: grid; grid-template-columns: 5fr 7fr; gap: 6vw; align-items: end; }
.spec__head .label { grid-column: 1 / -1; }
.spec__head .h2 { margin-top: 0; }
.spec__head p { opacity: .88; font-size: 17px; max-width: 460px; }
.spec__grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: clamp(56px, 8vh, 96px); border-top: 1px solid rgba(241,236,226,.18); }
.spec__item { padding: 28px 24px 0 0; border-right: 1px solid rgba(241,236,226,.12); margin-right: 24px; }
.spec__item:last-child { border-right: 0; margin-right: 0; }
.spec__item dt { font-family: var(--f-mono); font-size: 13px; letter-spacing: .16em; color: var(--orange); }
.spec__item dd { margin: 14px 0 16px; font-family: var(--f-word); font-size: clamp(34px, 3.6vw, 58px); line-height: 1; letter-spacing: -.02em; white-space: nowrap; }
.spec__item dd small { font-size: .36em; margin-left: .25em; letter-spacing: .04em; opacity: .7; }
.spec__item p { font-size: 15px; opacity: .86; line-height: 1.8; }
.spec__why { display: grid; grid-template-columns: 5fr 7fr; gap: 6vw; margin-top: clamp(80px, 12vh, 140px); }
.spec__why-title { font-family: var(--f-min); font-weight: 700; font-size: clamp(26px, 2.6vw, 40px); line-height: 1.4; }
.compare { list-style: none; margin: 0; padding: 0; }
.compare li { display: grid; grid-template-columns: 9em 1fr; gap: 20px; padding: 22px 0; border-top: 1px solid rgba(241,236,226,.14); font-size: 16px; }
.compare li:last-child { border-bottom: 1px solid rgba(241,236,226,.14); }
.compare b { font-weight: 700; opacity: .75; }
.compare span { opacity: .82; }
.compare li.is-best b { opacity: 1; color: var(--orange); }
.compare li.is-best span { opacity: 1; }
.spec__note { grid-column: 2; margin-top: 8px; font-size: 15px; opacity: .82; line-height: 1.9; }

/* ---------- ORIGINAL ---------- */
.original { position: relative; z-index: 1; background: var(--paper-2); padding: clamp(110px, 16vh, 180px) var(--gut); }
.original__grid { display: grid; grid-template-columns: 5fr 7fr; gap: 0 6vw; align-items: start; }
.original__head { position: sticky; top: calc(var(--nav-h) + 6vh); grid-row: span 2; }
.original__lead { margin-top: 28px; color: var(--muted); font-size: 17px; max-width: 440px; }
.original__cta { margin-top: 36px; }
.original__fig { margin: 0 0 24px; border-radius: 6px; overflow: hidden; aspect-ratio: 4 / 3; }
.original__fig img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); }
.original__list { list-style: none; margin: 0; padding: 0; }
.original__list li { display: grid; grid-template-columns: clamp(64px, 8vw, 120px) 1fr; gap: 20px; padding: 40px 0; border-top: 1px solid var(--line); }
.original__list li:last-child { border-bottom: 1px solid var(--line); }
.original__no { font-family: var(--f-word); font-size: clamp(36px, 4vw, 60px); line-height: .9; color: var(--orange); }
.original__list h3 { font-family: var(--f-min); font-weight: 700; font-size: clamp(22px, 2.2vw, 32px); line-height: 1.4; margin-bottom: 8px; }
.original__list p { color: var(--muted); font-size: 17px; max-width: 460px; }
.form__trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form button[disabled] { opacity: .5; pointer-events: none; }
.form__hint { font-size: 15px; color: var(--orange-ink); line-height: 1.8; }
.form__hint[hidden] { display: none; }

/* ---------- MATERIALS ---------- */
.materials { position: relative; z-index: 1; background: var(--paper); padding: clamp(110px, 16vh, 180px) var(--gut); }
.materials__head { display: grid; grid-template-columns: 5fr 7fr; gap: 6vw; align-items: end; }
.materials__head .label { grid-column: 1 / -1; }
.materials__head .h2 { margin-top: 0; }
.materials__side { display: flex; flex-direction: column; align-items: flex-start; gap: 24px; }
.materials__lead { color: var(--muted); font-size: 17px; max-width: 480px; }
.materials__grid { list-style: none; margin: clamp(56px, 8vh, 96px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(28px, 3vw, 44px) clamp(16px, 2vw, 28px); }
.mat__img { aspect-ratio: 4 / 3; border-radius: 6px; overflow: hidden; background: var(--paper-2); margin-bottom: 16px; }
.mat__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.mat:hover .mat__img img { transform: scale(1.06); }
.mat__en { font-family: var(--f-mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--orange-ink); }
.mat h3 { font-family: var(--f-min); font-weight: 700; font-size: clamp(20px, 1.7vw, 24px); line-height: 1.4; margin: 2px 0 6px; }
.mat p { color: var(--muted); font-size: 15px; line-height: 1.8; }

/* ---------- MESSAGE ---------- */
.message { position: relative; z-index: 1; background: var(--paper-2); padding: clamp(120px, 18vh, 200px) var(--gut); overflow: hidden; }
.message__mark { position: absolute; right: -6vw; bottom: -4vw; width: min(52vw, 760px); height: auto; opacity: .07; color: var(--navy); pointer-events: none; }
.message__grid { position: relative; display: grid; grid-template-columns: 5fr 7fr; gap: 6vw; align-items: start; }
.message__head { position: sticky; top: calc(var(--nav-h) + 6vh); }
.message__role { margin-top: 24px; font-size: 15px; color: var(--muted); letter-spacing: .2em; }
.message__body { max-width: 640px; }
.message__body > p { font-family: var(--f-min); font-weight: 500; font-size: clamp(17px, 1.35vw, 19px); line-height: 2.2; letter-spacing: .06em; }
.message__body > p + p { margin-top: 1.8em; }
.message__sign { display: grid; grid-template-columns: auto auto; justify-content: end; align-items: end; column-gap: 20px; margin-top: 64px; padding-top: 28px; border-top: 1px solid var(--line); }
.message__co { grid-column: 1 / -1; justify-self: end; font-size: 15px; color: var(--muted); margin-bottom: 6px; }
.message__title { font-size: 15px; color: var(--muted); padding-bottom: 6px; }
.message__name { font-family: var(--f-min); font-weight: 700; font-size: clamp(26px, 2.4vw, 34px); letter-spacing: .2em; line-height: 1.2; }

/* ---------- CATALOG PAGE ---------- */
.page-catalog { overflow: auto; }
.cat-hero { padding: calc(var(--nav-h) + clamp(60px, 12vh, 140px)) var(--gut) clamp(40px, 6vh, 64px); display: grid; grid-template-columns: 5fr 7fr; gap: 0 6vw; align-items: end; }
.cat-hero .label { grid-column: 1 / -1; }
.cat-hero__title { font-family: var(--f-min); font-weight: 900; font-size: clamp(44px, 6.2vw, 110px); line-height: 1.1; margin-top: 20px; white-space: nowrap; }
.cat-hero__lead { color: var(--muted); font-size: 17px; max-width: 520px; padding-bottom: 12px; }
.cat-hero__lead strong { color: var(--navy); background: linear-gradient(transparent 62%, rgba(255,138,76,.45) 62%); }
.cat-filter {
  position: sticky; top: 0; z-index: 50; display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none;
  padding: 14px var(--gut); background: rgba(241,236,226,.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
body:not(.nav-hidden) .cat-filter { top: var(--nav-h); transition: top .7s var(--ease); }
body.nav-hidden .cat-filter { transition: top .7s var(--ease); }
.cat-filter::-webkit-scrollbar { display: none; }
.chip-f { flex: none; display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 16px; border-radius: 99px; border: 1px solid var(--line); font-size: 15px; font-weight: 500; white-space: nowrap; transition: background .3s, color .3s, border-color .3s; }
.chip-f span { font-family: var(--f-mono); font-size: 12px; opacity: .7; }
.chip-f:hover { border-color: var(--navy); }
.chip-f[aria-pressed="true"] { background: var(--navy); color: var(--paper); border-color: var(--navy); }
.cat-groups { padding: 0 var(--gut) clamp(80px, 12vh, 140px); }
.cat-group { padding-top: clamp(56px, 9vh, 100px); scroll-margin-top: calc(var(--nav-h) + 80px); }
.cat-group[hidden] { display: none; }
.cat-group__head { display: grid; grid-template-columns: 5fr 7fr auto; gap: 8px 6vw; align-items: end; padding-bottom: 22px; margin-bottom: 26px; border-bottom: 1px solid var(--line); }
.cat-group__en { grid-column: 1 / -1; font-family: var(--f-mono); font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--orange-ink); }
.cat-group h2 { font-family: var(--f-min); font-weight: 700; font-size: clamp(28px, 3vw, 44px); line-height: 1.3; }
.cat-group p { color: var(--muted); font-size: 16px; }
.cat-group__count { font-family: var(--f-mono); font-size: 13px; color: var(--muted); white-space: nowrap; }
.cat-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(220px, 44vw), 1fr)); gap: clamp(12px, 1.6vw, 22px); }
.cat-item { display: block; width: 100%; text-align: left; cursor: zoom-in; opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .9s var(--ease); }
.cat-item.is-in { opacity: 1; transform: none; }
.no-js .cat-item, .cat-item:focus-visible { opacity: 1; transform: none; }
.cat-item__img { display: block; aspect-ratio: 4 / 3; border-radius: 6px; overflow: hidden; background: var(--paper-2); }
.cat-item__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.cat-item:hover .cat-item__img img { transform: scale(1.06); }
.cat-item__code { display: inline-block; margin-top: 10px; font-family: var(--f-mono); font-size: 14px; letter-spacing: .08em; }
.cat-item:hover .cat-item__code { color: var(--orange); }
.cat-cta { background: var(--navy); color: var(--paper); padding: clamp(90px, 14vh, 150px) var(--gut); display: grid; grid-template-columns: 5fr 7fr; gap: 32px 6vw; align-items: end; }
.cat-cta .h2 { margin: 0; }
.cat-cta p { opacity: .88; font-size: 16px; max-width: 460px; }
.cat-cta__btns { grid-column: 2; display: flex; align-items: center; gap: 36px; flex-wrap: wrap; }
.cat-cta .contact__tel { margin-top: 0; }
.lightbox { width: min(1100px, 94vw); max-height: 94vh; padding: 0; border: 0; border-radius: 10px; background: var(--paper); color: var(--navy); overflow: hidden; }
.lightbox::backdrop { background: rgba(11,16,48,.82); backdrop-filter: blur(4px); }
.lightbox__fig { margin: 0; }
.lightbox__fig img { width: 100%; height: auto; max-height: 74vh; object-fit: contain; background: var(--paper-2); }
.lightbox__fig figcaption { display: flex; gap: 16px; align-items: baseline; padding: 16px 20px 0; }
.lightbox__code { font-family: var(--f-word); font-size: 22px; }
.lightbox__cat { font-size: 15px; color: var(--muted); }
.lightbox__bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 20px 20px; }
.lightbox__nav { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line); font-size: 18px; transition: background .3s, color .3s; }
.lightbox__nav:hover { background: var(--navy); color: var(--paper); }
.lightbox__close { position: absolute; top: 12px; right: 12px; width: 44px; height: 44px; border-radius: 50%; background: var(--navy); color: var(--paper); font-size: 22px; line-height: 1; }
.materials__more { margin-top: clamp(32px, 5vh, 56px); display: flex; justify-content: center; }

/* ---------- MOBILE BOTTOM BAR ---------- */
.mbar { display: none; }
@media (max-width: 900px) {
  .quote-fab { display: none; }
  .mbar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
    display: grid; grid-template-columns: 2fr 3fr; gap: 10px;
    padding: 10px var(--gut) calc(10px + env(safe-area-inset-bottom));
    background: rgba(241,236,226,.94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--line);
    transform: translateY(105%); transition: transform .5s var(--ease);
  }
  .mbar.is-on { transform: none; }
  .mbar a { display: flex; align-items: center; justify-content: center; gap: 8px; height: 50px; border-radius: 99px; font-size: 16px; font-weight: 700; letter-spacing: .04em; }
  .mbar__tel { border: 1.5px solid var(--navy); color: var(--navy); }
  .mbar__quote { background: var(--navy); color: #fff; }
  .footer { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }

  /* hero: leave a stage for the 3D sopass between the title and the copy */
  .hero { grid-template-rows: auto auto minmax(28vh, 1fr) auto auto; }
  .hero__sub { grid-row: 4; }
  .marquee { grid-row: 5; }
  .hero__lead br { display: none; }
  .hero__lead { font-size: 17px; line-height: 1.85; }

  .collection__track { scroll-padding-inline: var(--gut); }

  .footer__brand { gap: 16px; }
  .footer__mark { width: 76px; }
  .footer__copy { font-size: 18px; white-space: nowrap; }
  .company__table dd { font-size: 16px; }
}

/* ---------- FAQ ---------- */
.faq { position: relative; z-index: 1; background: var(--paper); padding: clamp(110px, 16vh, 180px) var(--gut); }
.faq__grid { display: grid; grid-template-columns: 4fr 7fr; gap: 6vw; align-items: start; }
.faq__head { position: sticky; top: calc(var(--nav-h) + 6vh); }
.faq__lead { margin-top: 24px; color: var(--muted); font-size: 17px; max-width: 380px; }
.faq__list { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item summary { list-style: none; display: grid; grid-template-columns: 36px 1fr 28px; gap: 12px; align-items: start; padding: 24px 0; cursor: pointer; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__q { font-family: var(--f-word); font-size: 20px; line-height: 1.4; color: var(--orange-ink); }
.faq__qt { font-family: var(--f-min); font-weight: 700; font-size: clamp(18px, 1.6vw, 22px); line-height: 1.6; }
.faq__icon { position: relative; width: 28px; height: 28px; margin-top: 2px; border-radius: 50%; border: 1px solid var(--line); transition: background .3s, transform .5s var(--ease); }
.faq__icon::before, .faq__icon::after { content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.6px; margin: -.8px 0 0 -5.5px; background: var(--navy); transition: transform .4s var(--ease); }
.faq__icon::after { transform: rotate(90deg); }
.faq__item[open] .faq__icon { background: var(--navy); }
.faq__item[open] .faq__icon::before, .faq__item[open] .faq__icon::after { background: #fff; }
.faq__item[open] .faq__icon::after { transform: rotate(0deg); }
.faq__item summary:hover .faq__qt { color: var(--orange-ink); }
.faq__item p { padding: 0 40px 28px 48px; color: var(--muted); font-size: 16px; line-height: 1.95; }

/* ---------- reveal base ---------- */
.js [data-fade] { opacity: 0; transform: translateY(24px); }

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 1440px) { .nav__clock { display: none; } }
@media (max-width: 1100px) {
  .nav__links { display: none; }
  .nav__burger { display: block; }
  .nav__clock { display: none; }
}
@media (max-width: 900px) {
  :root { --nav-h: 64px; }
  .nav .btn--pill { display: none; }
  .nav__word { font-size: 14px; }
  .mark { width: 52px; }

  .hero { grid-template-rows: auto auto minmax(30vh, 1fr) auto auto; }
  .hero__meta { gap: 16px; }
  .hero__title { font-size: clamp(48px, 14.6vw, 120px); margin: 4vh 0 0; align-self: start; white-space: nowrap; }
  .hero__title .line--indent { padding-left: .6em; }
  .hero__sub { max-width: none; grid-template-columns: 1fr; row-gap: 12px; padding-bottom: 24px; align-self: end; }
  .hero__cta { margin-top: 6px; }
  .hero__vertical { display: none; }
  .hero__cue { display: none; }

  .story__grid { grid-template-columns: 1fr; }
  .story__side { display: block; }
  .story__photo { position: static; margin-top: 28px; max-width: none; }
  .story__photo img { aspect-ratio: 4 / 5; }
    .story__text { margin-top: 36px; }
  .story__facts { margin-top: 48px; }

  .anatomy__head { max-width: none; }
  .anatomy__def { display: none; }
  .tag { width: auto; left: auto !important; right: auto !important; top: auto; position: relative; padding-top: 8px; grid-template-columns: auto 1fr; }
  .anatomy__labels { inset: auto var(--gut) 72px var(--gut); display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
  .tag strong { font-size: 17px; }
  .tag__txt, .tag__en { display: none; }
  .anatomy__fold-a { top: 16%; }
  .anatomy__fold-b { top: auto; bottom: 90px; transform: none; }
  .anatomy__steps { bottom: 22px; }

  .collection__pin { height: auto; display: block; padding: calc(var(--nav-h) + 40px) 0 64px; }
  .collection__track { height: auto; flex-wrap: nowrap; overflow-x: auto; scroll-snap-type: x mandatory; padding: 0 var(--gut); -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .collection__track::-webkit-scrollbar { display: none; }
  .collection__intro { flex-basis: 82vw; padding: 0; scroll-snap-align: start; }
  .card { flex-basis: 84vw; scroll-snap-align: center; }
  .collection__end { flex-basis: 72vw; height: 60vh; max-height: 460px; align-self: center; scroll-snap-align: center; }

  .howto__head, .howto__steps { grid-template-columns: 1fr; }
  .howto__steps { gap: 48px; }
  .howto__fig { max-width: 420px; }
  .story__facts { grid-template-columns: 1fr; }
  .faq__grid { grid-template-columns: 1fr; gap: 36px; }
  .faq__head { position: static; }
  .faq__item summary { grid-template-columns: 28px 1fr 28px; gap: 10px; padding: 20px 0; }
  .faq__item p { padding: 0 0 22px 38px; }
  .cat-hero, .cat-cta { grid-template-columns: 1fr; }
  .cat-cta__btns { grid-column: 1; }
  .cat-group__head { grid-template-columns: 1fr auto; }
  .cat-group__head p { grid-column: 1 / -1; }
  .lightbox__quote { padding: 0 16px; font-size: 15px; }
  .message__grid { grid-template-columns: 1fr; gap: 40px; }
  .message__head { position: static; }
  .message__mark { width: 90vw; }
  .materials__head { grid-template-columns: 1fr; gap: 28px; }
  .materials__grid { grid-template-columns: 1fr 1fr; }
  .original__grid { grid-template-columns: 1fr; gap: 40px; }
  .original__head { position: static; grid-row: auto; }
  .spec__head, .spec__why { grid-template-columns: 1fr; gap: 28px; }
  .spec__grid { grid-template-columns: 1fr 1fr; row-gap: 32px; }
  .spec__item { margin-right: 0; padding-right: 12px; border-right: 0; }
  .spec__note { grid-column: 1; }
  .compare li { grid-template-columns: 1fr; gap: 6px; }
  .badge { width: 76px; height: 76px; }
  .process__grid, .archive__grid, .company__grid, .contact__grid { grid-template-columns: 1fr; gap: 48px; }
  .archive__side { position: static; }
  .archive__details { grid-template-columns: 1fr; }
  .archive__details figure:nth-child(n) { margin-top: 0; }
  .archive__details img { height: 52vw; }
  .loupe { width: 170px; height: 170px; margin: -85px 0 0 -85px; }
  .process__side { position: static; }
  .step { grid-template-columns: 64px 1fr; padding: 32px 0; }

  .nara__body { grid-template-columns: 1fr; }
  .nara__txt { justify-self: start; }
  .company__table > div { grid-template-columns: 88px 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .contact__head { position: static; }
  .form { padding: 22px 18px; border-radius: 12px; }
  .radios label { min-height: 48px; padding: 8px 16px; }
  .form__foot .btn { width: 100%; }
  .footer__word { font-size: 9.2vw; }
}

@media (max-width: 560px) {
  .spec__grid { grid-template-columns: 1fr; row-gap: 24px; }
  .spec__item { padding-top: 22px; border-top: 1px solid rgba(241,236,226,.12); }
  .spec__item:first-child { border-top: 0; }
  .spec__item dd { font-size: clamp(34px, 11vw, 48px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .marquee__track { animation: none; }
}

.num { font-variant-numeric: tabular-nums; display: inline-block; }