/* =========================================================
   IMEX WORLD CO., LTD.
   Editorial Luxury — Navy × Silver
   ========================================================= */

:root {
  /* depth palette */
  --ink-100: #04080f;
  --ink-90:  #070d1a;
  --ink-80:  #0a1424;
  --ink-70:  #122340;
  --ink-60:  #1a3358;
  --ink-50:  #243f6a;
  --ink-40:  #2f4a78;

  --silver-100: #f5f6f9;
  --silver-95:  #e9ecf1;
  --silver-90:  #d9dde4;
  --silver-80:  #c2c8d4;
  --silver-70:  #a5acb8;
  --silver-60:  #8b929e;
  --silver-50:  #6e7585;
  --silver-40:  #545b69;
  --silver-30:  #3a4150;

  --paper:    #fafafa;
  --paper-2:  #f3f4f6;
  --paper-3:  #ebedf1;

  /* metallics */
  --grad-silver:       linear-gradient(135deg, #d9dde4, #ffffff 32%, #a5acb8 56%, #e9ebf0);
  --grad-silver-text:  linear-gradient(120deg, #b6bdc9 0%, #ffffff 28%, #7a8190 55%, #d6dae2 88%);
  --grad-silver-ink:   linear-gradient(120deg, #243f6a 0%, #8b929e 50%, #243f6a 100%);
  --grad-navy:         linear-gradient(160deg, #04080f 0%, #122340 50%, #04080f 100%);
  --grad-paper:        linear-gradient(180deg, #fafafa 0%, #f3f4f6 100%);

  /* type */
  --font-serif-en:   "Cormorant Garamond", "Noto Serif JP", serif;
  --font-display:    "Cinzel", "Cormorant Garamond", serif;
  --font-serif-jp:   "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-sans-jp:    "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-utility:    "Inter", "Noto Sans JP", sans-serif;

  /* layout */
  --container: 1200px;
  --gutter: clamp(1.5rem, 4vw, 3rem);
  --header-h: 84px;

  /* motion */
  --ease:        cubic-bezier(0.16, 1, 0.3, 1);
  --ease-power:  cubic-bezier(0.65, 0, 0.35, 1);
  --ease-smooth: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ───── reset ───── */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}
body {
  margin: 0;
  font-family: var(--font-sans-jp);
  font-weight: 400;
  color: var(--ink-80);
  background: var(--paper);
  line-height: 1.85;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
dl, dd { margin: 0; }
::selection { background: rgba(36,63,106,0.18); color: var(--ink-100); }
.pc { display: inline; }
@media (max-width: 768px) { .pc { display: none; } }

/* hide cursor on touch */
@media (hover: hover) and (pointer: fine) {
  body { cursor: none; }
  a, button { cursor: none; }
}

/* ───── film grain ───── */
.grain {
  position: fixed; inset: -50%;
  pointer-events: none;
  z-index: 200;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ───── custom cursor ───── */
.cursor {
  position: fixed; top: 0; left: 0;
  z-index: 999;
  pointer-events: none;
  mix-blend-mode: difference;
  opacity: 0;
  transition: opacity .4s;
}
.cursor.is-on { opacity: 1; }
.cursor__dot, .cursor__ring {
  position: absolute; top: 0; left: 0;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.cursor__dot {
  width: 5px; height: 5px;
  background: #fff;
}
.cursor__ring {
  width: 30px; height: 30px;
  border: 1px solid rgba(255,255,255,0.7);
  transition: width .4s var(--ease), height .4s var(--ease), background .3s, border-color .3s;
}
.cursor.is-hover .cursor__ring {
  width: 56px; height: 56px;
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.9);
}
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* ───── chapter rail ───── */
.chapters {
  position: fixed;
  right: clamp(1rem, 2.5vw, 2.4rem);
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex; flex-direction: column;
  gap: 1.1rem;
  opacity: 0;
  transition: opacity .6s var(--ease) .3s;
}
.chapters.is-on { opacity: 1; }
.chapters a {
  display: inline-flex; align-items: center; gap: 0.9rem;
  color: rgba(255,255,255,0.55);
  transition: color .4s, transform .4s var(--ease);
}
.chapters.is-light a { color: rgba(36,63,106,0.55); }
.chapters a em {
  font-style: italic;
  font-family: var(--font-serif-en);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.chapters a:hover em,
.chapters a.is-active em { opacity: 1; transform: translateX(0); }
.chapters a:hover { color: rgba(255,255,255,0.95); }
.chapters.is-light a:hover { color: var(--ink-70); }
.chapters__dot {
  display: inline-block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.55;
  transition: opacity .4s, transform .4s var(--ease), background .4s;
  flex-shrink: 0;
}
.chapters a.is-active .chapters__dot {
  opacity: 1;
  transform: scale(1.6);
  background: var(--silver-90);
  box-shadow: 0 0 12px rgba(217,221,228,0.55);
}
.chapters.is-light a.is-active .chapters__dot {
  background: var(--ink-60);
  box-shadow: 0 0 12px rgba(36,63,106,0.3);
}
@media (max-width: 900px) { .chapters { display: none; } }

/* ───── header ───── */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background .6s var(--ease), backdrop-filter .6s, border-color .6s;
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(4, 8, 15, 0.7);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom-color: rgba(200,205,214,0.1);
}
/* When the mobile nav is open, release the header's backdrop-filter —
   otherwise it becomes the containing block for the fixed <nav> and
   traps the overlay inside the header's 84px height. */
.header.has-open-nav,
.header.is-scrolled.has-open-nav {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: transparent;
}
.header__inner {
  width: 100%; max-width: var(--container);
  margin: 0 auto; padding: 0 var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
}
.header__logo {
  display: inline-flex; align-items: center;
  color: #fff;
  transition: opacity .3s;
}
.header__logo:hover { opacity: 0.85; }
.header__brand-en {
  font-family: var(--font-display);
  font-size: 1rem; letter-spacing: 0.5em; padding-left: 0.5em;
  font-weight: 500;
  background: var(--grad-silver-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav ul { display: flex; gap: 2.4rem; align-items: center; }
.nav a {
  position: relative;
  display: inline-block;
  color: #fff;
  padding: 0.5rem 0;
}
.nav a span {
  font-family: var(--font-serif-en);
  font-style: italic; font-weight: 500;
  font-size: 1rem; letter-spacing: 0.18em;
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--grad-silver);
  transform: scaleX(0); transform-origin: right;
  transition: transform .6s var(--ease);
}
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-toggle { display: none; }

@media (max-width: 920px) {
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 6px;
    width: 36px; height: 36px;
    align-items: center; justify-content: center;
    z-index: 110;
  }
  .nav-toggle span {
    display: block; width: 22px; height: 1px;
    background: var(--silver-90);
    transition: transform .4s var(--ease), opacity .3s;
  }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }
  .nav {
    position: fixed; inset: 0;
    background: var(--grad-navy);
    display: flex; align-items: center; justify-content: center;
    clip-path: circle(0% at calc(100% - 60px) 42px);
    transition: clip-path .9s var(--ease-power);
    z-index: 105;
  }
  .nav.is-open { clip-path: circle(160% at calc(100% - 60px) 42px); }
  .nav ul { flex-direction: column; gap: 2.4rem; align-items: flex-start; padding-left: 12vw; }
  .nav a span { font-size: 1.8rem; }
}

/* ───── hero ───── */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100dvh;
  background: var(--ink-100);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse at 50% 45%, rgba(36, 63, 106, 0.5), transparent 60%),
    radial-gradient(ellipse at 20% 100%, rgba(20, 39, 71, 0.55), transparent 55%),
    radial-gradient(ellipse at 80% 0%, rgba(36, 63, 106, 0.3), transparent 50%),
    linear-gradient(180deg, #04080f, #07101e 50%, #04080f);
}
.hero__stars {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    radial-gradient(1px 1px at 12% 14%, rgba(255,255,255,0.85), transparent 50%),
    radial-gradient(1px 1px at 84% 22%, rgba(255,255,255,0.7), transparent 50%),
    radial-gradient(1px 1px at 28% 78%, rgba(255,255,255,0.6), transparent 50%),
    radial-gradient(1px 1px at 70% 62%, rgba(255,255,255,0.75), transparent 50%),
    radial-gradient(1px 1px at 50% 8%, rgba(255,255,255,0.4), transparent 50%),
    radial-gradient(1px 1px at 8% 88%, rgba(255,255,255,0.5), transparent 50%),
    radial-gradient(1px 1px at 92% 90%, rgba(255,255,255,0.5), transparent 50%);
  opacity: 0.7;
  animation: twinkle 6s ease-in-out infinite alternate;
}
@keyframes twinkle { 0% { opacity: 0.45; } 100% { opacity: 0.85; } }
.hero__world {
  position: absolute; inset: 0; z-index: 2;
  opacity: 0.55;
}
.hero__world svg { width: 100%; height: 100%; }

/* centered editorial stack */
.hero__center {
  position: relative; z-index: 6;
  width: 100%;
  min-height: 100vh; min-height: 100dvh;
  max-width: var(--container);
  margin: 0 auto;
  padding: calc(var(--header-h) + 2vh) var(--gutter) clamp(5rem, 10vh, 8rem);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: clamp(2rem, 4vh, 3.5rem);
  pointer-events: none;
}
.emblem-wrap {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.emblem {
  width: clamp(280px, 52vmin, 560px);
  height: clamp(280px, 52vmin, 560px);
  filter: drop-shadow(0 0 100px rgba(165, 172, 184, 0.2));
  opacity: 0;
  transform: scale(0.94) rotate(-4deg);
  transition: opacity 1.8s var(--ease) .35s, transform 2.2s var(--ease) .35s;
  will-change: transform, opacity;
}
.emblem.is-in { opacity: 1; transform: scale(1) rotate(0); }

/* SVG group rotations — transform-box ensures origin works in all browsers */
.emblem__rotate-slow,
.emblem__rotate-rev,
.emblem__hand,
.emblem__orbit-a,
.emblem__orbit-b,
.emblem__shimmer,
.emblem__star {
  transform-origin: 300px 300px;
  transform-box: view-box;
}
.emblem__rotate-slow { animation: rotateCW 180s linear infinite; }
.emblem__rotate-rev  { animation: rotateCW 120s linear infinite reverse; }
.emblem__hand        { animation: rotateCW 22s linear infinite; }
.emblem__orbit-a     { animation: rotateCW 36s linear infinite; }
.emblem__orbit-b     { animation: rotateCW 54s linear infinite reverse; }
.emblem__shimmer     { animation: shimmerSweep 9s var(--ease-smooth) infinite; }
.emblem__star        { animation: starGlow 7s ease-in-out infinite; }
@keyframes rotateCW { to { transform: rotate(360deg); } }
@keyframes shimmerSweep {
  0%, 65%, 100% { opacity: 0; transform: rotate(0); }
  70% { opacity: 1; transform: rotate(0); }
  85% { opacity: 0; transform: rotate(360deg); }
}
@keyframes starGlow {
  0%, 100% { filter: brightness(1); }
  50%      { filter: brightness(1.18); }
}

/* hero text overlay (asymmetric editorial) */
/* hero editorial statement (h1) — beneath emblem */
.hero__statement {
  margin: 0;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
  gap: clamp(1rem, 2vh, 1.6rem);
  font-family: var(--font-serif-en);
  font-style: italic;
  font-weight: 400;
  color: var(--silver-95);
  line-height: 1.18;
  max-width: 90vw;
}
.hero__statement-main {
  display: flex; flex-direction: column;
  gap: 0.15em;
}
.hero__statement-line {
  display: block;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  letter-spacing: 0.04em;
}
.hero__statement-line em {
  font-style: italic;
  font-weight: 500;
  background: var(--grad-silver-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__statement-mark {
  display: inline-flex; align-items: center; gap: 0.8rem;
  width: clamp(120px, 18vw, 180px);
  font-style: normal;
}
.hero__statement-mark span:first-child,
.hero__statement-mark span:last-child {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--silver-50), transparent);
}
.hero__statement-mark-dot {
  font-size: 0.7rem;
  color: var(--silver-60);
  line-height: 0;
  font-family: var(--font-display);
}
.hero__statement-meta {
  font-family: var(--font-display);
  font-style: normal; font-weight: 500;
  font-size: clamp(0.7rem, 0.85vw, 0.78rem);
  letter-spacing: 0.55em;
  padding-left: 0.55em;
  color: var(--silver-50);
  text-transform: uppercase;
}

/* hero scroll cue */
.hero__scroll {
  position: absolute; right: var(--gutter); bottom: 2.2rem;
  z-index: 7;
  display: inline-flex; flex-direction: column; align-items: center; gap: 0.8rem;
  color: var(--silver-50);
  font-family: var(--font-display);
  font-size: 0.65rem; letter-spacing: 0.45em;
  text-transform: uppercase;
  pointer-events: auto;
  opacity: 0;
  animation: fadeIn 1s var(--ease) 2.4s forwards;
}
.hero__scroll-text { writing-mode: vertical-rl; }
.hero__scroll-line {
  width: 1px; height: 60px;
  background: linear-gradient(180deg, var(--silver-60), transparent);
  position: relative; overflow: hidden;
}
.hero__scroll-line::after {
  content: ""; position: absolute; top: -60px; left: 0;
  width: 100%; height: 60px;
  background: linear-gradient(180deg, transparent, #fff);
  animation: scrollFlow 2.6s var(--ease) infinite;
}
@keyframes scrollFlow { 0% { top: -60px; } 100% { top: 60px; } }
@keyframes fadeIn { to { opacity: 1; } }
@media (max-width: 768px) { .hero__scroll { display: none; } }

/* ───── data-reveal animations ───── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.2s var(--ease) var(--d, 0s), transform 1.2s var(--ease) var(--d, 0s);
  will-change: transform, opacity;
}
[data-reveal].is-in { opacity: 1; transform: translateY(0); }

/* trigger hero reveals on load */
.hero [data-reveal] {
  animation: heroReveal 1.4s var(--ease) calc(var(--d, 0s) + 1.4s) forwards;
}
@keyframes heroReveal { to { opacity: 1; transform: translateY(0); } }

/* ───── sections ───── */
.section {
  padding: clamp(6rem, 12vw, 10rem) 0;
  position: relative;
}
.section__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section__head {
  text-align: center;
  margin-bottom: clamp(4rem, 7vw, 6rem);
  display: flex; flex-direction: column; align-items: center; gap: 1.1rem;
  position: relative;
}
.section__chapter {
  font-family: var(--font-display);
  font-size: 0.75rem; letter-spacing: 0.55em; padding-left: 0.55em;
  color: var(--silver-50);
  font-weight: 500;
  font-style: normal;
  margin-bottom: 0.2rem;
}
.section__chapter::before, .section__chapter::after {
  content: "·"; display: inline-block; margin: 0 0.8em;
  color: var(--silver-70);
}
.section__rule {
  display: block; width: 1px; height: 32px;
  background: linear-gradient(180deg, var(--silver-60), transparent);
}
.section__en {
  font-family: var(--font-serif-en);
  font-style: italic; font-weight: 400;
  font-size: clamp(2rem, 3.6vw, 2.8rem);
  letter-spacing: 0.02em;
  background: var(--grad-silver-ink);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1.2;
}
.section__jp {
  margin: 0;
  font-family: var(--font-serif-jp); font-weight: 400;
  font-size: clamp(0.78rem, 0.95vw, 0.88rem);
  letter-spacing: 0.55em; padding-left: 0.55em;
  color: var(--silver-50);
}
.section__head--inv .section__chapter { color: var(--silver-60); }
.section__head--inv .section__chapter::before,
.section__head--inv .section__chapter::after { color: var(--silver-40); }
.section__rule--inv {
  background: linear-gradient(180deg, var(--silver-50), transparent);
}
.section__en--inv {
  background: var(--grad-silver-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section__jp--inv { color: var(--silver-60); }

/* ───── philosophy ───── */
.philosophy { background: var(--paper); }
.philosophy::before, .philosophy::after {
  content: ""; position: absolute; pointer-events: none;
  background: radial-gradient(ellipse, rgba(36, 63, 106, 0.05), transparent 60%);
}
.philosophy::before { top: 0; left: 0; width: 50vw; height: 50vh; }
.philosophy::after { bottom: 0; right: 0; width: 50vw; height: 50vh; }

.philosophy__body {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
  max-width: 1080px;
  margin: 0 auto;
}
@media (max-width: 900px) {
  .philosophy__body { grid-template-columns: 1fr; gap: 3rem; }
}
.philosophy__lead {
  position: relative;
  padding-left: clamp(2rem, 4vw, 3rem);
}
.philosophy__quotemark {
  position: absolute; left: -0.1em; top: -0.55em;
  font-family: var(--font-serif-en);
  font-style: italic; font-weight: 300;
  font-size: clamp(5rem, 9vw, 8rem);
  line-height: 1;
  color: var(--silver-80);
  user-select: none;
}
.philosophy__catch {
  margin: 0;
  font-family: var(--font-serif-jp); font-weight: 300;
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  line-height: 1.55; letter-spacing: 0.16em;
  color: var(--ink-80);
}
.philosophy__catch-accent {
  display: inline-block; margin-top: 0.5rem;
  font-family: var(--font-serif-en);
  font-style: italic; font-weight: 500;
  font-size: 1.3em; letter-spacing: 0.04em;
  background: linear-gradient(120deg, var(--ink-50), var(--silver-60) 50%, var(--ink-50));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.philosophy__quoteline {
  display: block;
  margin-top: 2rem;
  width: 56px; height: 1px;
  background: linear-gradient(90deg, var(--ink-60), transparent);
}
.philosophy__text {
  font-family: var(--font-serif-jp); font-weight: 300;
  font-size: clamp(0.95rem, 1.05vw, 1rem);
  line-height: 2.4;
  letter-spacing: 0.1em;
  color: var(--silver-30);
}
.philosophy__text p { margin: 0 0 1.5rem; }
.philosophy__sign {
  margin-top: 2.4rem !important;
  text-align: right;
  font-size: 0.92rem;
  letter-spacing: 0.24em;
  color: var(--ink-70);
}
.philosophy__sign::before {
  content: ""; display: inline-block;
  width: 24px; height: 1px;
  background: var(--ink-60);
  vertical-align: middle;
  margin-right: 1rem;
}

/* ───── business ───── */
.business {
  background: var(--grad-paper);
  position: relative;
}
.biz {
  display: flex; flex-direction: column;
  gap: clamp(3rem, 5vw, 4.5rem);
  max-width: 1080px; margin: 0 auto;
}
.biz__item {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  position: relative;
  padding: clamp(2rem, 3.5vw, 3rem) 0;
  border-bottom: 1px solid var(--silver-90);
}
.biz__item:last-child { border-bottom: 0; }
.biz__item--alt { grid-template-columns: 1.6fr 1fr; }
.biz__item--alt .biz__visual { order: 2; }
.biz__item--alt .biz__body { text-align: right; }
.biz__item--alt .biz__body .biz__title { align-items: flex-end; }
@media (max-width: 760px) {
  .biz__item, .biz__item--alt { grid-template-columns: 1fr; gap: 1.5rem; }
  .biz__item--alt .biz__visual { order: 0; }
  .biz__item--alt .biz__body { text-align: left; }
  .biz__item--alt .biz__body .biz__title { align-items: flex-start; }
}

.biz__visual {
  position: relative;
  aspect-ratio: 1; max-width: 280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle, rgba(36, 63, 106, 0.06) 0%, transparent 65%);
}
.biz__visual::before, .biz__visual::after {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  border: 1px solid var(--ink-60);
  opacity: 0.4;
}
.biz__visual::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.biz__visual::after  { bottom: 0; right: 0; border-left: 0; border-top: 0; }
.biz__visual svg {
  width: 70%; height: 70%;
  animation: visualFloat 8s ease-in-out infinite;
}
.biz__item:nth-of-type(2) .biz__visual svg { animation-delay: -3s; }
.biz__item:nth-of-type(3) .biz__visual svg { animation-delay: -5s; }
@keyframes visualFloat {
  0%, 100% { transform: translateY(0) rotate(0); }
  50%      { transform: translateY(-6px) rotate(1.2deg); }
}
.biz__visual-index {
  position: absolute; top: 0.6rem; right: 0.6rem;
  font-family: var(--font-serif-en); font-style: italic;
  font-size: 0.85rem; letter-spacing: 0.1em;
  color: var(--silver-60);
}

.biz__body { display: flex; flex-direction: column; gap: 1.2rem; }
.biz__num {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.5rem); font-weight: 400;
  background: var(--grad-silver-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: 0.06em; line-height: 1;
  margin: 0; padding: 0;
}
.biz__body h3 {
  margin: 0;
  display: flex; flex-direction: column; align-items: flex-start; gap: 0.4rem;
  position: relative;
}
.biz__body h3::before {
  content: ""; display: block;
  width: 36px; height: 1px;
  background: var(--ink-60);
  margin-bottom: 0.8rem;
}
.biz__title-en {
  font-family: var(--font-serif-en); font-style: italic; font-weight: 500;
  font-size: clamp(1.1rem, 1.4vw, 1.25rem);
  letter-spacing: 0.16em; color: var(--ink-50);
}
.biz__title-jp {
  font-family: var(--font-serif-jp); font-weight: 500;
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  letter-spacing: 0.22em; color: var(--ink-80);
}
.biz__title-jp-note {
  display: inline-block;
  font-family: var(--font-serif-jp); font-weight: 300;
  font-size: 0.62em; letter-spacing: 0.14em;
  color: var(--silver-50);
  margin-left: 0.2em;
  vertical-align: 0.05em;
}
.biz__body p {
  margin: 0;
  font-family: var(--font-serif-jp); font-weight: 300;
  font-size: clamp(0.92rem, 1.02vw, 0.98rem);
  line-height: 2.2; letter-spacing: 0.1em;
  color: var(--silver-30);
  max-width: 52ch;
}
.biz__item--alt .biz__body p { margin-left: auto; }

/* ───── heritage (editorial) ───── */
.heritage {
  background: var(--grad-navy);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.heritage::before, .heritage::after {
  content: ""; position: absolute; pointer-events: none;
}
.heritage::before {
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(165, 172, 184, 0.08), transparent 55%),
    radial-gradient(ellipse at 70% 70%, rgba(36, 63, 106, 0.55), transparent 55%);
}
.heritage::after {
  inset: 0;
  background-image:
    linear-gradient(rgba(200,205,214,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,205,214,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, #000 25%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 25%, transparent 70%);
  opacity: 0.5;
}

.heritage__editorial {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.heritage__kicker {
  margin: 0 0 1.8rem;
  font-family: var(--font-display);
  font-size: 0.82rem; letter-spacing: 0.42em; padding-left: 0.42em;
  text-transform: uppercase;
  color: var(--silver-60);
  font-weight: 500;
}
.heritage__display {
  margin: 0;
  font-family: var(--font-serif-en);
  font-weight: 300;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 1.05;
  letter-spacing: 0.005em;
  color: var(--silver-100);
}
.heritage__display-row { display: block; }
.heritage__display-row--alt { font-style: italic; }
.heritage__display em {
  font-style: italic; font-weight: 500;
  background: var(--grad-silver-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.heritage__sep {
  display: flex; align-items: center; justify-content: center;
  gap: 1.2rem;
  margin: 2.4rem auto;
  max-width: 440px;
}
.heritage__sep span:first-child,
.heritage__sep span:last-child {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--silver-50), transparent);
}
.heritage__sep-mark {
  font-size: 0.7rem;
  color: var(--silver-60);
}
.heritage__caption {
  margin: 0 auto;
  max-width: 38em;
  font-family: var(--font-serif-jp); font-weight: 300;
  font-size: clamp(0.9rem, 1vw, 1rem);
  line-height: 2.3;
  letter-spacing: 0.14em;
  color: var(--silver-90);
  text-align: center;
}
.heritage__caption-emphasis {
  display: block;
  margin-top: 1.4rem;
  letter-spacing: 0.22em;
  padding-left: 0.22em;
  color: var(--silver-100);
}

/* ───── company ───── */
.company { background: var(--paper); }
.info {
  max-width: 880px;
  margin: 0 auto;
  border-top: 1px solid var(--silver-90);
}
.info__row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.4rem;
  padding: 1.7rem 0.5rem;
  border-bottom: 1px solid var(--silver-90);
  position: relative;
}
.info__row::after {
  content: ""; position: absolute; bottom: -1px; left: 0;
  width: 0; height: 1px; background: var(--grad-silver-ink);
  transition: width .9s var(--ease);
}
.info__row:hover::after { width: 100%; }
.info__row dt {
  font-family: var(--font-serif-jp); font-weight: 500;
  font-size: 0.88rem; letter-spacing: 0.3em;
  color: var(--ink-60);
}
.info__row dd {
  font-family: var(--font-serif-jp); font-weight: 300;
  font-size: 0.95rem; line-height: 2.05; letter-spacing: 0.1em;
  color: var(--silver-30);
}
.info__en {
  display: inline-block;
  font-family: var(--font-serif-en); font-style: italic;
  font-size: 0.88rem; letter-spacing: 0.18em;
  color: var(--silver-50);
  margin-top: 0.2rem;
}
@media (max-width: 640px) {
  .info__row {
    grid-template-columns: 1fr;
    gap: 0.5rem; padding: 1.4rem 0.25rem;
  }
  .info__row dt { font-size: 0.78rem; letter-spacing: 0.28em; }
}

/* ───── contact ───── */
.contact {
  background: var(--grad-navy);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(36, 63, 106, 0.5), transparent 55%);
  pointer-events: none;
}
.contact__body {
  position: relative;
  max-width: 680px; margin: 0 auto;
  text-align: center;
}
.contact__lead {
  margin: 0 0 2.6rem;
  font-family: var(--font-serif-jp); font-weight: 300;
  font-size: clamp(0.92rem, 1.05vw, 1rem);
  line-height: 2.2; letter-spacing: 0.16em;
  color: var(--silver-90);
}
.contact__card {
  display: inline-flex; flex-direction: column; align-items: center; gap: 0.7rem;
  padding: 2.6rem clamp(2.4rem, 6vw, 5rem);
  background: rgba(7, 13, 26, 0.55);
  border: 1px solid rgba(200, 205, 214, 0.18);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  position: relative;
}
.contact__corner {
  position: absolute;
  width: 22px; height: 22px;
}
.contact__corner--tl { top: -1px; left: -1px; border-top: 1px solid var(--silver-90); border-left: 1px solid var(--silver-90); }
.contact__corner--tr { top: -1px; right: -1px; border-top: 1px solid var(--silver-90); border-right: 1px solid var(--silver-90); }
.contact__corner--bl { bottom: -1px; left: -1px; border-bottom: 1px solid var(--silver-90); border-left: 1px solid var(--silver-90); }
.contact__corner--br { bottom: -1px; right: -1px; border-bottom: 1px solid var(--silver-90); border-right: 1px solid var(--silver-90); }
.contact__lbl {
  font-family: var(--font-display);
  font-size: 0.72rem; letter-spacing: 0.5em; padding-left: 0.5em;
  text-transform: uppercase;
  color: var(--silver-50);
}
.contact__num {
  font-family: var(--font-serif-en);
  font-weight: 500;
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  letter-spacing: 0.12em;
  background: var(--grad-silver-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  transition: opacity .3s;
}
.contact__num:hover { opacity: 0.85; }
.contact__hrs {
  font-family: var(--font-serif-jp); font-weight: 300;
  font-size: 0.84rem; letter-spacing: 0.2em;
  color: var(--silver-70);
}
.contact__note {
  margin: 2.4rem 0 0;
  font-family: var(--font-utility); font-weight: 300;
  font-size: 0.78rem; line-height: 1.95;
  letter-spacing: 0.1em;
  color: var(--silver-60);
}

/* ───── footer ───── */
.footer {
  background: var(--ink-100);
  color: var(--silver-70);
  padding: clamp(3.5rem, 5vw, 5rem) 0 2rem;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: ""; position: absolute; top: 0; left: 50%;
  transform: translateX(-50%);
  width: 60%; max-width: 600px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--silver-50), transparent);
}
.footer__inner {
  max-width: var(--container);
  margin: 0 auto; padding: 0 var(--gutter);
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 0.7rem;
}
.footer__mark {
  width: 48px; height: 48px;
  margin-bottom: 0.5rem;
}
.footer__mark svg { width: 100%; height: 100%; }
.footer__brand {
  font-family: var(--font-serif-jp);
  font-size: 0.92rem; letter-spacing: 0.32em; padding-left: 0.32em;
  color: var(--silver-90);
  margin-bottom: 0.4rem;
}
.footer__addr {
  margin: 0;
  font-family: var(--font-serif-jp);
  font-size: 0.78rem; letter-spacing: 0.2em;
  color: var(--silver-60);
}
.footer__copy {
  margin: 1.4rem 0 0;
  font-family: var(--font-display);
  font-size: 0.68rem; letter-spacing: 0.4em;
  color: var(--silver-40);
  padding-top: 1.4rem;
  border-top: 1px solid rgba(200, 205, 214, 0.08);
  width: 100%; max-width: 360px;
}

/* ───── reduced motion ───── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .cursor, .grain { display: none; }
  html { scroll-behavior: auto; }
  [data-reveal], .emblem { opacity: 1; transform: none; }
}