@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;700&display=swap');

/* ============================================================
   大和精機工業 / Yamato Seiki Kogyo
   B2B Industrial - 工業系メーカーHP
   ============================================================ */

:root {
  --navy: #0E2845;
  --navy-deep: #081A30;
  --navy-soft: #1F3A5F;
  --gray-metal: #5C6877;
  --gray-mid: #8A95A3;
  --gray-line: #E8EBEF;
  --gray-bg: #F4F6F8;
  --gray-bg2: #ECEFF2;
  --silver: #B8C2CC;
  --silver-soft: #D4DAE0;
  --white: #ffffff;
  --ink: #16202E;
  --ink-soft: #2E3A48;
  --accent: #0E2845;

  --maxw: 1240px;
  --gutter: clamp(20px, 4vw, 56px);

  --f-sans: "Inter", "Shippori Mincho", "YuMincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --f-num: "Inter", "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
  --f-serif-jp: "Shippori Mincho", "YuMincho", "Yu Mincho", "Hiragino Mincho ProN", serif;

  --t-fast: .25s ease;
  --t-mid: .45s cubic-bezier(.22,.61,.36,1);

  --shadow-sm: 0 1px 2px rgba(14,40,69,.04), 0 1px 3px rgba(14,40,69,.04);
  --shadow-md: 0 4px 14px rgba(14,40,69,.06), 0 2px 6px rgba(14,40,69,.04);
}

*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--f-sans);
  font-feature-settings: "palt";
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--navy-soft); }
button { font-family: inherit; cursor: pointer; }
ul, ol { padding-left: 1.2em; margin: 0; }
::selection { background: var(--navy); color: #fff; }

/* ============================================================
   Container & Section
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.sec {
  padding: clamp(56px, 7vw, 96px) 0;
}
.sec--bg { background: transparent; }
.sec--navy { background: var(--navy); color: var(--white); }
.sec--navy a { color: var(--white); }
.sec--narrow { padding-top: clamp(48px, 6vw, 72px); padding-bottom: clamp(48px, 6vw, 72px); }

/* Section header */
.sec-head {
  margin-bottom: clamp(40px, 5vw, 72px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  position: relative;
}
.sec-head__eyebrow {
  font-family: var(--f-num);
  font-size: 12px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--navy);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 14px;
}
.sec-head__eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--navy);
  display: inline-block;
}
.sec--navy .sec-head__eyebrow,
.sec--navy .sec-head__eyebrow::before { color: var(--silver); background: var(--silver); }
.sec--navy .sec-head__eyebrow::before { color: transparent; }

.sec-head__title {
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: .02em;
  line-height: 1.35;
  font-weight: 600;
  margin: 0;
  color: var(--ink);
}
.sec--navy .sec-head__title { color: #fff; }
.sec-head__lead {
  margin: 8px 0 0;
  color: var(--gray-metal);
  max-width: 68ch;
  line-height: 1.95;
}
.sec--navy .sec-head__lead { color: var(--silver-soft); }

/* ============================================================
   Typography helpers
   ============================================================ */
.num {
  font-family: var(--f-num);
  font-feature-settings: "tnum";
  letter-spacing: .02em;
}
.lead-sm {
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--navy-soft);
  text-transform: uppercase;
}

/* ============================================================
   Header / Navigation
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--gray-line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 600;
}
.brand__mark {
  width: 36px; height: 36px;
  border: 1.5px solid var(--navy);
  display: grid;
  place-items: center;
  font-family: var(--f-num);
  font-weight: 700;
  font-size: 13px;
  color: var(--navy);
  letter-spacing: .02em;
}
.brand__text {
  display: flex; flex-direction: column; line-height: 1.1;
}
.brand__name { font-size: 15px; letter-spacing: .04em; }
.brand__en { font-family: var(--f-num); font-size: 10px; letter-spacing: .22em; color: var(--gray-metal); margin-top: 2px; }

.gnav { display: flex; align-items: center; gap: 6px; }
.gnav__list { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.gnav__link {
  display: inline-flex; align-items: center;
  padding: 10px 14px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink-soft);
  position: relative;
}
.gnav__link::after {
  content: "";
  position: absolute; left: 14px; right: 14px; bottom: 6px;
  height: 1px; background: var(--navy);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-mid);
}
.gnav__link:hover::after,
.gnav__link[aria-current="page"]::after { transform: scaleX(1); }
.gnav__cta {
  margin-left: 14px;
  background: var(--navy);
  color: #fff !important;
  padding: 11px 22px;
  font-size: 13px;
  letter-spacing: .08em;
  font-weight: 500;
  transition: background var(--t-fast);
}
.gnav__cta:hover { background: var(--navy-deep); }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent;
  border: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block; width: 22px; height: 1.5px;
  background: var(--navy);
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 980px) {
  .nav-toggle { display: flex; }
  .gnav {
    position: fixed; inset: 72px 0 auto 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 24px var(--gutter) 40px;
    border-bottom: 1px solid var(--gray-line);
    transform: translateY(-12px);
    opacity: 0; visibility: hidden;
    transition: opacity var(--t-fast), transform var(--t-fast), visibility var(--t-fast);
    gap: 0;
  }
  .gnav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .gnav__list { flex-direction: column; gap: 0; }
  .gnav__link { padding: 14px 4px; font-size: 15px; border-bottom: 1px solid var(--gray-line); }
  .gnav__link::after { display: none; }
  .gnav__cta { margin: 18px 0 0; text-align: center; }
}

/* ============================================================
   Hero / FV
   ============================================================ */
.hero {
  position: relative;
  padding: clamp(72px, 10vw, 120px) 0 clamp(64px, 8vw, 100px);
  background: var(--white);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(14,40,69,.04) 50%, transparent calc(50% + 1px));
  pointer-events: none;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  position: relative;
}
.hero__copy { position: relative; }

/* Hero with full-bleed background image */
.hero--bg {
  padding: clamp(96px, 11vw, 140px) 0 clamp(72px, 9vw, 110px);
  min-height: clamp(440px, 62vh, 600px);
  display: flex;
  align-items: center;
  color: #fff;
  isolation: isolate;
}

/* ============================================================
   Hero — Asymmetric split (left B&W photo + right dark panel)
   ============================================================ */
.hero--split {
  padding: 0;
  background: var(--navy-deep);
  color: #fff;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 38% 1fr;
  min-height: clamp(520px, 78vh, 760px);
  isolation: isolate;
}
.hero--split::before { display: none; }

/* Photo (left) */
.hero-split__photo {
  position: relative;
  overflow: hidden;
  z-index: 1;
  background: #1c2433;
}
.hero-split__photo-img {
  position: absolute;
  inset: 0;
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: grayscale(1) contrast(1.05) brightness(.92);
  transform: scale(1.02);
  transition: transform 1.2s cubic-bezier(.22,.61,.36,1), filter .8s ease;
}
.hero--split:hover .hero-split__photo-img {
  transform: scale(1.05);
  filter: grayscale(.85) contrast(1.08) brightness(.95);
}
.hero-split__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8,26,48,0) 70%, rgba(8,26,48,.5) 100%);
  pointer-events: none;
}

/* Decoration lines */
.hero-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}
.hero-deco__line {
  position: absolute;
  width: 1px;
  background: rgba(255,255,255,.18);
  transform: skewX(-15deg);
  top: -8%; bottom: -8%;
}
.hero-deco__line--1 { left: 26%; height: 60%; top: -4%; }
.hero-deco__line--2 { left: 32%; height: auto; bottom: -8%; top: 30%; }
.hero-deco__line--3 { right: 22%; height: 35%; top: -4%; }
.hero-deco__line--4 { right: 18%; height: 30%; bottom: -6%; top: auto; }

/* Translucent parallelogram bridge */
.hero-split__bridge {
  position: absolute;
  width: clamp(160px, 18vw, 280px);
  height: 62%;
  border: 1px solid rgba(255,255,255,.5);
  background: rgba(255,255,255,.04);
  transform: skewX(-15deg);
  top: 18%;
  /* center it on the seam between 38% and 62% */
  left: calc(38% - clamp(80px, 9vw, 140px));
  z-index: 2;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

/* Right dark panel */
.hero-split__panel {
  position: relative;
  z-index: 4;
  padding: clamp(36px, 5vw, 72px) clamp(32px, 5vw, 72px);
  display: flex;
  align-items: center;
  background: linear-gradient(115deg, rgba(8,26,48,.96) 0%, var(--navy-deep) 60%);
}

/* Brand badge (top-right) */
.hero-split__badge {
  position: absolute;
  top: clamp(20px, 2.6vw, 36px);
  right: clamp(20px, 2.6vw, 36px);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 100px;
  color: #fff;
  z-index: 5;
}
.hero-split__badge-mark {
  font-family: var(--f-num);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: .15em;
}
.hero-split__badge-text {
  font-size: 11px;
  letter-spacing: .15em;
  border-left: 1px solid rgba(255,255,255,.4);
  padding-left: 10px;
}

/* Content */
.hero-split__content {
  position: relative;
  z-index: 4;
  max-width: 560px;
  width: 100%;
}
.hero-split__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--f-num);
  font-size: 11px;
  letter-spacing: .28em;
  color: rgba(255,255,255,.7);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.hero-split__eyebrow::before {
  content: "";
  width: 36px; height: 1px; background: rgba(255,255,255,.6);
}
.hero-split__title {
  font-family: var(--f-serif-jp);
  font-size: clamp(40px, 5.6vw, 72px);
  line-height: 1.18;
  font-weight: 500;
  letter-spacing: .02em;
  margin: 0 0 20px;
  color: #fff;
}
.hero-split__title span { display: block; }
.hero-split__title em {
  font-style: normal;
  position: relative;
  padding-bottom: 4px;
}
.hero-split__title em::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: rgba(255,255,255,.9);
}
.hero-split__sub {
  margin: 0 0 28px;
  font-size: clamp(13px, 1.1vw, 15px);
  color: rgba(255,255,255,.7);
  letter-spacing: .08em;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,.18);
  max-width: 30em;
}

/* Pills */
.hero-split__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 36px;
}
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 8px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 100px;
  font-family: var(--f-num);
  font-size: 11px;
  color: rgba(255,255,255,.85);
  letter-spacing: .08em;
}
.hero-pill__ico {
  width: 22px; height: 22px;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: rgba(255,255,255,.85);
}

/* CTA */
.hero-split__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

/* URL line */
.hero-split__url {
  display: inline-block;
  font-family: var(--f-num);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(255,255,255,.55);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-top: 4px;
}
.hero-split__url:hover { color: #fff; }

/* Responsive */
@media (max-width: 880px) {
  .hero--split {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .hero-split__photo {
    height: 38vh;
    min-height: 240px;
  }
  .hero-split__photo::after {
    background: linear-gradient(180deg, rgba(8,26,48,0) 70%, rgba(8,26,48,.6) 100%);
  }
  .hero-split__bridge {
    left: -10%;
    top: 28vh;
    width: 50%;
    height: 28vh;
    transform: skewX(-12deg);
    z-index: 2;
  }
  .hero-split__panel {
    padding: clamp(40px, 8vw, 64px) clamp(24px, 5vw, 40px) clamp(48px, 8vw, 72px);
  }
  .hero-split__badge { top: 16px; right: 16px; }
}
@media (max-width: 480px) {
  .hero-split__pills { gap: 8px; }
  .hero-pill { font-size: 10px; padding: 5px 12px 5px 6px; }
}
.hero--bg::before { display: none; }
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
  transform: scale(1.02);
}
.hero--bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, rgba(8,26,48,.78) 0%, rgba(14,40,69,.55) 55%, rgba(14,40,69,.35) 100%),
    linear-gradient(0deg, rgba(8,26,48,.55) 0%, rgba(8,26,48,0) 35%);
  z-index: -1;
  pointer-events: none;
}
.hero__copy--overlay { max-width: 640px; position: relative; }
.hero--bg .hero__eyebrow { color: #fff; }
.hero--bg .hero__eyebrow::before { background: #fff; }
.hero--bg .hero__title { color: #fff; }
.hero--bg .hero__title em::after { background: #fff; }
.hero--bg .hero__lead { color: rgba(255,255,255,.92); }
.hero--bg .hero__meta { border-top-color: rgba(255,255,255,.25); }
.hero--bg .hero__meta strong { color: #fff; }
.hero--bg .hero__meta span { color: rgba(255,255,255,.7); }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--f-num);
  font-size: 11px;
  letter-spacing: .28em;
  color: var(--navy);
  margin-bottom: 28px;
  text-transform: uppercase;
}
.hero__eyebrow::before {
  content: "";
  width: 36px; height: 1px; background: var(--navy);
}
.hero__title {
  font-size: clamp(34px, 5.4vw, 60px);
  line-height: 1.32;
  margin: 0 0 24px;
  letter-spacing: .015em;
  font-weight: 600;
  color: var(--ink);
}
.hero__title span { display: block; }
.hero__title em {
  font-style: normal;
  position: relative;
  padding-bottom: 4px;
}
.hero__title em::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--navy);
}
.hero__lead {
  color: var(--gray-metal);
  max-width: 30em;
  margin: 0 0 36px;
  line-height: 2.05;
}
.hero__meta {
  display: flex;
  gap: clamp(20px, 3vw, 36px);
  margin: 36px 0 40px;
  padding-top: 28px;
  border-top: 1px solid var(--gray-line);
}
.hero__meta div { line-height: 1.4; }
.hero__meta strong {
  font-family: var(--f-num);
  font-size: clamp(22px, 3vw, 30px);
  color: var(--navy);
  font-weight: 600;
  display: block;
}
.hero__meta span { font-size: 11px; letter-spacing: .15em; color: var(--gray-metal); text-transform: uppercase; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__visual {
  position: relative;
  aspect-ratio: 4/5;
  max-height: 640px;
}
.hero__visual .placeholder {
  width: 100%; height: 100%;
}
@media (max-width: 880px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { aspect-ratio: 4/3; max-height: 480px; }
  .hero::before { display: none; }
}

/* ============================================================
   Placeholder (画像未到着用)
   ============================================================ */
.placeholder {
  position: relative;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 14px;
  background: var(--gray-bg);
  border: 1px dashed var(--silver);
  color: var(--gray-metal);
  font-family: var(--f-num);
  font-size: 12px;
  letter-spacing: .12em;
  text-align: center;
  padding: 24px;
  overflow: hidden;
  min-height: 200px;
}
.placeholder::before {
  content: "";
  width: 36px; height: 36px;
  border: 1.5px solid var(--silver);
  background:
    radial-gradient(circle at 30% 35%, currentColor 2px, transparent 2.5px),
    linear-gradient(135deg, transparent 50%, currentColor 50%, currentColor 65%, transparent 65%);
  background-size: 100% 100%, 100% 100%;
  background-position: center;
  background-repeat: no-repeat;
  opacity: .55;
}
.placeholder__size {
  font-weight: 600;
  color: var(--navy);
  font-size: 13px;
  letter-spacing: .1em;
}
.placeholder__label {
  font-size: 10.5px;
  color: var(--gray-metal);
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 500;
}
.placeholder--dark { background: var(--navy-deep); border-color: rgba(184,194,204,.35); color: var(--silver); }
.placeholder--dark .placeholder__size { color: #fff; }
.placeholder--dark .placeholder__label { color: var(--silver); }
.placeholder--ratio-16x9 { aspect-ratio: 16/9; }
.placeholder--ratio-4x3 { aspect-ratio: 4/3; }
.placeholder--ratio-1x1 { aspect-ratio: 1/1; }
.placeholder--ratio-3x4 { aspect-ratio: 3/4; }
.placeholder--ratio-4x5 { aspect-ratio: 4/5; }
.placeholder--ratio-portrait { aspect-ratio: 3/4; }

/* ============================================================
   Button
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 15px 28px;
  font-size: 13px;
  letter-spacing: .12em;
  font-weight: 500;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: #fff;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  cursor: pointer;
  text-transform: uppercase;
  font-family: var(--f-sans);
}
.btn:hover { background: var(--navy-deep); color: #fff; }
.btn--ghost {
  background: transparent;
  color: var(--navy);
}
.btn--ghost:hover { background: var(--navy); color: #fff; }
.btn--white {
  background: #fff; color: var(--navy); border-color: #fff;
}
.btn--white:hover { background: transparent; color: #fff; }
.btn--ghost-white {
  background: transparent; color: #fff; border-color: rgba(255,255,255,.5);
}
.btn--ghost-white:hover { background: #fff; color: var(--navy); border-color: #fff; }
.btn::after {
  content: "→";
  font-family: var(--f-num);
  transition: transform var(--t-fast);
}
.btn:hover::after { transform: translateX(4px); }

/* ============================================================
   Strengths (3 columns)
   ============================================================ */
.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 48px);
}
.strength {
  padding: 0;
  position: relative;
}
.strength__num {
  font-family: var(--f-num);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--navy);
  font-weight: 500;
  margin-bottom: 20px;
}
.strength__visual {
  margin-bottom: 28px;
}
.strength__title {
  font-size: clamp(18px, 2vw, 22px);
  margin: 0 0 12px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .02em;
}
.strength__text {
  color: var(--gray-metal);
  font-size: 14px;
  line-height: 1.95;
  margin: 0;
}
@media (max-width: 880px) {
  .strengths-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Sticky scroll split (services page)
   ============================================================ */
.sticky-split {
  background: #fff;
  position: relative;
}
.sticky-split__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: start;
}

/* LEFT: sticky stage */
.sticky-split__stage {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F4F6F8;
  overflow: hidden;
}
.sticky-stage {
  position: relative;
  width: min(72%, 560px);
  aspect-ratio: 1 / 1;
}
.sticky-stage__bg {
  position: absolute;
  inset: -12%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, rgba(255,255,255,.7), rgba(184,194,204,.18) 60%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}
.sticky-media {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(.94);
  transition: opacity .9s cubic-bezier(.22,.61,.36,1),
              transform 1.1s cubic-bezier(.22,.61,.36,1);
  pointer-events: none;
  z-index: 1;
}
.sticky-media.is-active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}
.sticky-media__inner {
  width: 100%;
  height: 100%;
}
.sticky-media__inner .placeholder {
  background: #fff;
  border: 1px dashed var(--silver);
  box-shadow: 0 30px 80px -30px rgba(14,40,69,.18), 0 12px 30px -10px rgba(14,40,69,.08);
}

/* Progress nav (left side, vertical) */
.sticky-progress {
  position: absolute;
  left: clamp(20px, 3vw, 44px);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 2;
}
.sticky-progress__btn {
  background: transparent;
  border: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
  color: var(--gray-mid);
  text-align: left;
  cursor: pointer;
  transition: color .35s ease;
  font-family: var(--f-sans);
}
.sticky-progress__num {
  font-family: var(--f-num);
  font-size: 10px;
  letter-spacing: .2em;
  width: 18px;
  position: relative;
}
.sticky-progress__num::after {
  content: "";
  position: absolute;
  left: -8px; top: 50%;
  width: 0; height: 1px;
  background: currentColor;
  transition: width .45s cubic-bezier(.22,.61,.36,1);
}
.sticky-progress__label {
  font-size: 11.5px;
  letter-spacing: .15em;
  font-weight: 500;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity .35s ease, transform .35s ease;
}
.sticky-progress__btn:hover { color: var(--navy); }
.sticky-progress__btn.is-active { color: var(--navy); }
.sticky-progress__btn.is-active .sticky-progress__num::after { width: 24px; }
.sticky-progress__btn.is-active .sticky-progress__label,
.sticky-progress__btn:hover .sticky-progress__label {
  opacity: 1;
  transform: translateX(0);
}

/* RIGHT: scrolling content */
.sticky-split__content {
  padding: 0 clamp(40px, 8vw, 120px);
}
.sticky-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 12vh 0;
  max-width: 520px;
}
.sticky-section__meta {
  font-family: var(--f-num);
  font-size: 11px;
  letter-spacing: .25em;
  color: var(--navy);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.sticky-section__meta::before {
  content: "";
  width: 32px; height: 1px;
  background: var(--navy);
  display: inline-block;
}
.sticky-section__title {
  font-size: clamp(40px, 5.4vw, 68px);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: .015em;
  margin: 0 0 28px;
  color: var(--ink);
}
.sticky-section__lead {
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0 0 28px;
  letter-spacing: .02em;
}
.sticky-section__body {
  font-size: 14px;
  line-height: 2;
  color: var(--gray-metal);
  margin: 0 0 40px;
}
.sticky-section__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 0 0 36px;
  border-top: 1px solid var(--gray-line);
}
.sticky-section__specs > div {
  padding: 18px 4px;
  border-bottom: 1px solid var(--gray-line);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sticky-section__specs > div:nth-child(odd) { border-right: 1px solid var(--gray-line); padding-right: 24px; }
.sticky-section__specs > div:nth-child(even) { padding-left: 24px; }
.sticky-section__specs dt {
  font-size: 11px;
  letter-spacing: .15em;
  color: var(--gray-metal);
  text-transform: uppercase;
}
.sticky-section__specs dd {
  font-family: var(--f-num);
  font-size: 17px;
  color: var(--ink);
  margin: 0;
  letter-spacing: .02em;
  font-weight: 500;
}
.sticky-section__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (prefers-reduced-motion: reduce) {
  .sticky-media { transition: none; }
}

@media (max-width: 880px) {
  .sticky-split__inner { grid-template-columns: 1fr; }
  .sticky-split__stage {
    position: sticky;
    top: 72px;
    height: 60vh;
    z-index: 5;
  }
  .sticky-stage { width: 80%; max-width: 360px; }
  .sticky-progress { display: none; }
  .sticky-split__content { padding: 0 clamp(20px, 5vw, 40px); }
  .sticky-section { min-height: auto; padding: 8vh 0; }
  .sticky-section__title { font-size: clamp(32px, 8vw, 44px); }
}

/* ============================================================
   Services — split layout (left tiles / right navy panel)
   ============================================================ */
.sec--services-split {
  padding: clamp(48px, 6vw, 80px) 0;
}
.services-split {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  align-items: stretch;
  min-height: clamp(520px, 60vh, 680px);
}

/* LEFT — tiles panel */
.services-split__cards {
  background: #fff;
  padding: clamp(36px, 4vw, 56px) clamp(28px, 4vw, 64px);
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 2.5vw, 32px);
  position: relative;
}
.services-split__meta,
.services-split__foot {
  display: flex;
  justify-content: space-between;
  font-family: var(--f-num);
  font-size: 10.5px;
  letter-spacing: .25em;
  color: var(--gray-mid);
  text-transform: uppercase;
}
.services-split__foot--dark { color: rgba(255,255,255,.4); }

.svc-tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 2.4vw, 32px);
  flex: 1;
}

.svc-tile {
  --c-len: 18px;
  --c-wid: 1px;
  --c-col: var(--gray-mid);
  --c-pad: 6px;
  position: relative;
  padding: clamp(32px, 3.6vw, 48px) clamp(20px, 2.4vw, 32px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  color: var(--ink);
  background:
    /* top-left corner */
    linear-gradient(var(--c-col), var(--c-col)) var(--c-pad) var(--c-pad) / var(--c-len) var(--c-wid) no-repeat,
    linear-gradient(var(--c-col), var(--c-col)) var(--c-pad) var(--c-pad) / var(--c-wid) var(--c-len) no-repeat,
    /* top-right corner */
    linear-gradient(var(--c-col), var(--c-col)) calc(100% - var(--c-pad)) var(--c-pad) / var(--c-len) var(--c-wid) no-repeat,
    linear-gradient(var(--c-col), var(--c-col)) calc(100% - var(--c-pad)) var(--c-pad) / var(--c-wid) var(--c-len) no-repeat,
    /* bottom-left corner */
    linear-gradient(var(--c-col), var(--c-col)) var(--c-pad) calc(100% - var(--c-pad)) / var(--c-len) var(--c-wid) no-repeat,
    linear-gradient(var(--c-col), var(--c-col)) var(--c-pad) calc(100% - var(--c-pad)) / var(--c-wid) var(--c-len) no-repeat,
    /* bottom-right corner */
    linear-gradient(var(--c-col), var(--c-col)) calc(100% - var(--c-pad)) calc(100% - var(--c-pad)) / var(--c-len) var(--c-wid) no-repeat,
    linear-gradient(var(--c-col), var(--c-col)) calc(100% - var(--c-pad)) calc(100% - var(--c-pad)) / var(--c-wid) var(--c-len) no-repeat;
  transition:
    filter .45s cubic-bezier(.22,.61,.36,1),
    opacity .45s cubic-bezier(.22,.61,.36,1),
    background-color var(--t-fast),
    color var(--t-fast);
  cursor: pointer;
  text-decoration: none;
  will-change: filter, opacity;
}
.svc-tile:hover { --c-col: var(--navy); color: var(--navy); }

/* ============================================================
   Hover Blur — non-hovered siblings fade & blur
   .services-split が group ("list")、.svc-tile / .services-split__intro が "item"
   ============================================================ */
.services-split:has(.svc-tile:hover) .svc-tile:not(:hover),
.services-split:has(.svc-tile:hover) .services-split__intro,
.services-split:has(.services-split__intro:hover) .svc-tile,
.services-split:has(.services-split__intro:hover) .services-split__intro:not(:hover) {
  filter: blur(3px);
  opacity: .55;
}
/* Fallback (no :has() support) — only tile-to-tile blur */
@supports not selector(:has(*)) {
  .svc-tiles:hover .svc-tile:not(:hover) {
    filter: blur(3px);
    opacity: .55;
  }
}

/* ============================================================
   Static variant — tiles are non-interactive (info only),
   only the right intro panel lifts + links
   ============================================================ */
.services-split--static .svc-tile {
  cursor: default;
  text-decoration: none;
}
.services-split--static .svc-tile:hover {
  --c-col: var(--gray-mid);
  color: var(--ink);
}
/* Override: tile hover should NOT cause blur cascade in static variant */
.services-split--static:has(.svc-tile:hover) .svc-tile:not(:hover),
.services-split--static:has(.svc-tile:hover) .services-split__intro {
  filter: none;
  opacity: 1;
}
/* Intro panel hover STILL blurs left tiles in static variant (intentional focus) */
/* (inherited from .services-split:has(.services-split__intro:hover) ... base rule) */

/* Re-enable lift animation only for static-variant intro */
.services-split--static .services-split__intro:hover,
.services-split--static .services-split__intro:focus-visible {
  transform: translateY(-8px);
  box-shadow:
    0 24px 60px -20px rgba(8,26,48,.5),
    0 12px 30px -12px rgba(8,26,48,.4);
}
.services-split--static .services-split__intro:active {
  transform: translateY(-4px);
  transition-duration: .2s;
}
@media (prefers-reduced-motion: reduce) {
  .services-split--static .services-split__intro:hover { transform: none; box-shadow: none; }
}
@media (prefers-reduced-motion: reduce) {
  .svc-tile, .services-split__intro { transition: none; }
  .services-split:has(.svc-tile:hover) .svc-tile:not(:hover),
  .services-split:has(.svc-tile:hover) .services-split__intro,
  .services-split:has(.services-split__intro:hover) .svc-tile,
  .services-split:has(.services-split__intro:hover) .services-split__intro:not(:hover) {
    filter: none;
    opacity: .65;
  }
}
.svc-tile__num {
  font-family: var(--f-num);
  font-size: 10.5px;
  letter-spacing: .28em;
  color: var(--gray-mid);
  font-weight: 500;
}
.svc-tile__title {
  margin: 0;
  font-size: clamp(15px, 1.4vw, 17px);
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1.5;
}
.svc-tile__text {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--gray-metal);
  letter-spacing: .02em;
}

/* RIGHT — navy intro panel (clickable) */
.services-split .services-split__intro {
  background: var(--navy-deep);
  color: #fff;
  padding: clamp(36px, 4vw, 64px) clamp(28px, 4vw, 56px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 14px;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  cursor: pointer;
  isolation: isolate;
  transition:
    filter .45s cubic-bezier(.22,.61,.36,1),
    opacity .45s cubic-bezier(.22,.61,.36,1),
    transform .8s cubic-bezier(.22,.61,.36,1),
    background-color .4s ease;
  will-change: filter, opacity;
}
.services-split__intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(255,255,255,.05), transparent 50%),
    linear-gradient(180deg, rgba(255,255,255,.02), transparent 30%);
  pointer-events: none;
  transition: opacity .55s ease;
  z-index: -1;
}
.services-split__intro::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 60%, rgba(184,194,204,.08), transparent 60%);
  opacity: 0;
  transition: opacity .55s ease;
  pointer-events: none;
  z-index: -1;
}
.services-split__intro:hover,
.services-split__intro:focus-visible {
  background: var(--navy);
  outline: none;
}
.services-split__intro:hover::after,
.services-split__intro:focus-visible::after { opacity: 1; }

.services-split__intro-mark {
  position: absolute;
  top: clamp(20px, 2vw, 32px);
  right: clamp(20px, 2vw, 32px);
  font-family: var(--f-num);
  font-size: 18px;
  font-weight: 300;
  color: rgba(255,255,255,.4);
  line-height: 1;
  transition: transform .6s cubic-bezier(.22,.61,.36,1), color .4s ease;
}
.services-split__intro:hover .services-split__intro-mark {
  transform: rotate(90deg) scale(1.15);
  color: rgba(255,255,255,.85);
}

.services-split__cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding: 10px 0;
  font-family: var(--f-num);
  font-size: 11px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  border-bottom: 1px solid rgba(255,255,255,.25);
  transition: color .35s ease, border-color .35s ease, gap .4s ease;
}
.services-split__cta-arrow {
  display: inline-block;
  transition: transform .55s cubic-bezier(.22,.61,.36,1);
}
.services-split__intro:hover .services-split__cta {
  color: #fff;
  border-color: #fff;
  gap: 16px;
}
.services-split__intro:hover .services-split__cta-arrow {
  transform: translateX(6px);
}

@media (prefers-reduced-motion: reduce) {
  .services-split__intro,
  .services-split__intro-mark,
  .services-split__cta,
  .services-split__cta-arrow {
    transition: none;
  }
}
.services-split__eyebrow {
  font-family: var(--f-num);
  font-size: 10.5px;
  letter-spacing: .3em;
  color: rgba(255,255,255,.6);
  margin: 0 0 4px;
  text-transform: uppercase;
}
.services-split__title {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 600;
  letter-spacing: .04em;
  margin: 0;
  line-height: 1.35;
}
.services-split__sub {
  margin: 8px 0 24px;
  font-size: clamp(14px, 1.3vw, 16px);
  line-height: 1.85;
  letter-spacing: .04em;
  color: rgba(255,255,255,.92);
}
.services-split__body {
  margin: 0;
  font-size: 12.5px;
  line-height: 2;
  color: rgba(255,255,255,.65);
  max-width: 30em;
  letter-spacing: .03em;
}
.services-split__intro .services-split__foot {
  position: absolute;
  left: clamp(28px, 4vw, 56px);
  right: clamp(28px, 4vw, 56px);
  bottom: clamp(20px, 2.4vw, 32px);
}

@media (max-width: 880px) {
  .services-split { grid-template-columns: 1fr; min-height: 0; }
  .services-split__intro { padding-bottom: clamp(72px, 12vw, 100px); }
  .services-split__intro .services-split__foot { left: 24px; right: 24px; bottom: 20px; }
}
@media (max-width: 520px) {
  .svc-tiles { grid-template-columns: 1fr; }
}

/* ============================================================
   Services list (legacy — used on /services.html only)
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(24px, 3vw, 40px);
}
.svc-card {
  background: #fff;
  border: 1px solid var(--gray-line);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.svc-card:hover { border-color: var(--navy); transform: translateY(-2px); }
.svc-card__visual { aspect-ratio: 16/10; }
.svc-card__body { padding: clamp(24px, 3vw, 36px); display: flex; flex-direction: column; gap: 14px; }
.svc-card__num {
  font-family: var(--f-num);
  color: var(--navy);
  font-size: 12px;
  letter-spacing: .25em;
  font-weight: 500;
}
.svc-card__title {
  font-size: clamp(20px, 2.4vw, 26px);
  margin: 0;
  letter-spacing: .02em;
  font-weight: 600;
}
.svc-card__en {
  font-family: var(--f-num);
  font-size: 11.5px;
  color: var(--gray-metal);
  letter-spacing: .15em;
  margin-top: -8px;
  text-transform: uppercase;
}
.svc-card__text {
  font-size: 14px;
  color: var(--gray-metal);
  line-height: 1.95;
  margin: 0;
}
.svc-card__more {
  margin-top: auto;
  font-family: var(--f-num);
  font-size: 12px;
  letter-spacing: .15em;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
}
.svc-card__more::after { content: "→"; transition: transform var(--t-fast); }
.svc-card:hover .svc-card__more::after { transform: translateX(4px); }

@media (max-width: 720px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Works grid (実績)
   ============================================================ */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 2.4vw, 36px);
}
.work {
  display: flex; flex-direction: column;
  padding-top: 0;
  transition: opacity var(--t-fast);
}
.work__visual { aspect-ratio: 4/3; margin-bottom: 18px; }
.work__cat {
  font-family: var(--f-num);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--navy);
  text-transform: uppercase;
  font-weight: 500;
  display: flex; justify-content: space-between;
}
.work__cat span:last-child { color: var(--gray-metal); }
.work__title {
  font-size: 17px;
  margin: 12px 0 14px;
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.55;
}
.work__specs {
  display: flex; flex-wrap: wrap; gap: 8px 16px;
  font-size: 12.5px; color: var(--gray-metal);
  margin-top: auto;
}
.work__specs span strong {
  font-family: var(--f-num);
  color: var(--ink);
  font-weight: 500;
  margin-left: 4px;
}
.work__link { position: relative; display: flex; flex-direction: column; height: 100%; }
.work__link:hover .work__title { color: var(--navy-soft); }
@media (max-width: 880px) { .works-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .works-grid { grid-template-columns: 1fr; } }

/* ============================================================
   Works — 4-card kanji cases (vertical-rl serif kanji + photo)
   ============================================================ */
.sec--works-cases { padding: clamp(56px, 7vw, 96px) 0 0; overflow: hidden; }
.sec--works-cases .sec-head { margin-bottom: clamp(48px, 5vw, 72px); }

.case-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-bottom: clamp(8px, 2vw, 16px);
}

.case-card {
  position: relative;
  display: block;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  color: #fff;
  text-decoration: none;
  isolation: isolate;
  transition:
    filter .55s cubic-bezier(.22,.61,.36,1),
    opacity .55s cubic-bezier(.22,.61,.36,1),
    transform .8s cubic-bezier(.22,.61,.36,1),
    box-shadow .8s cubic-bezier(.22,.61,.36,1);
  box-shadow: 0 0 0 0 rgba(8,26,48,0);
}
.case-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px -25px rgba(8,26,48,.4), 0 18px 40px -18px rgba(8,26,48,.25);
  z-index: 5;
}

/* Diagonal separator between cards */
.case-card + .case-card::before {
  content: "";
  position: absolute;
  left: 0; top: -2%; bottom: -2%;
  width: 1px;
  background: rgba(255,255,255,.35);
  transform: skewX(-6deg);
  z-index: 4;
  pointer-events: none;
  transition: opacity .4s ease;
}
.case-card:hover + .case-card::before,
.case-card:hover::before { opacity: 0; }

.case-card__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  transition: transform 1.2s cubic-bezier(.22,.61,.36,1);
}
.case-card:hover .case-card__bg {
  transform: scale(1.08);
}
.case-card__bg .placeholder {
  width: 100%;
  height: 100%;
  min-height: 0;
  aspect-ratio: auto;
  background: var(--gray-bg2);
  border-color: rgba(255,255,255,.4);
  color: var(--gray-metal);
}
.case-card__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(8,26,48,.15) 0%, rgba(8,26,48,0) 30%, rgba(8,26,48,0) 50%, rgba(8,26,48,.7) 100%),
    linear-gradient(90deg, rgba(8,26,48,.35) 0%, rgba(8,26,48,0) 50%);
  pointer-events: none;
  transition: background .5s ease;
}
.case-card:hover .case-card__overlay {
  background:
    linear-gradient(180deg, rgba(8,26,48,.25) 0%, rgba(8,26,48,.05) 30%, rgba(8,26,48,.05) 50%, rgba(8,26,48,.8) 100%),
    linear-gradient(90deg, rgba(8,26,48,.45) 0%, rgba(8,26,48,.05) 50%);
}

.case-card__kanji {
  position: absolute;
  top: clamp(24px, 2.6vw, 44px);
  left: clamp(20px, 2.4vw, 40px);
  z-index: 3;
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: var(--f-serif-jp);
  font-weight: 300;
  font-size: clamp(48px, 5.6vw, 86px);
  line-height: 1.05;
  letter-spacing: .08em;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,.35);
  transition: transform .7s cubic-bezier(.22,.61,.36,1);
}
.case-card:hover .case-card__kanji {
  transform: translateY(-12px) translateX(4px);
  text-shadow: 0 8px 32px rgba(0,0,0,.5);
}

.case-card__content {
  position: absolute;
  left: clamp(20px, 2.4vw, 36px);
  right: clamp(20px, 2.4vw, 36px);
  bottom: clamp(24px, 3vw, 40px);
  z-index: 3;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}
.case-card__text {
  flex: 1;
  margin: 0;
  font-size: clamp(12px, 1vw, 14px);
  line-height: 1.85;
  color: rgba(255,255,255,.95);
  letter-spacing: .04em;
  text-shadow: 0 1px 8px rgba(0,0,0,.4);
}
.case-card__arrow {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-num);
  font-size: 14px;
  background: transparent;
  color: #fff;
  transition:
    background .35s ease,
    color .35s ease,
    border-color .35s ease,
    transform .5s cubic-bezier(.22,.61,.36,1);
}
.case-card:hover .case-card__arrow {
  background: #fff;
  color: var(--navy-deep);
  border-color: #fff;
  transform: translateX(4px);
}

/* Hover blur on sibling case-cards */
.case-row:has(.case-card:hover) .case-card:not(:hover) {
  filter: blur(2px) brightness(.85);
  opacity: .75;
}
@supports not selector(:has(*)) {
  .case-row:hover .case-card:not(:hover) {
    filter: blur(2px) brightness(.85);
    opacity: .75;
  }
}
@media (prefers-reduced-motion: reduce) {
  .case-card, .case-card__kanji, .case-card__arrow, .case-card__overlay { transition: none; }
  .case-row:has(.case-card:hover) .case-card:not(:hover) { filter: none; opacity: .82; }
}

@media (max-width: 1024px) {
  .case-row { grid-template-columns: repeat(2, 1fr); }
  .case-card { aspect-ratio: 3 / 4; }
  .case-card + .case-card::before { display: none; }
  .case-card:nth-child(2n)::before {
    content: "";
    position: absolute;
    left: 0; top: -2%; bottom: -2%;
    width: 1px;
    background: rgba(255,255,255,.35);
    transform: skewX(-6deg);
    z-index: 4;
    pointer-events: none;
  }
}
@media (max-width: 560px) {
  .case-row { grid-template-columns: 1fr; }
  .case-card { aspect-ratio: 16 / 11; }
  .case-card:nth-child(2n)::before { display: none; }
  .case-card__kanji { font-size: clamp(48px, 14vw, 72px); }
}

/* ============================================================
   Works marquee carousel (legacy — no longer used on top page)
   ============================================================ */
.sec--works-marquee { overflow: hidden; }
.works-marquee {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 4px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 80px, #000 calc(100% - 80px), transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0, #000 80px, #000 calc(100% - 80px), transparent 100%);
}
.works-marquee__track {
  display: flex;
  width: max-content;
  animation: works-marquee-scroll 50s linear infinite;
  will-change: transform;
}
.works-marquee:hover .works-marquee__track,
.works-marquee:focus-within .works-marquee__track {
  animation-play-state: paused;
}
.work__link--marquee {
  flex: 0 0 320px;
  width: 320px;
  margin-right: 32px;
}
.work__link--marquee .work { padding-top: 20px; }

@keyframes works-marquee-scroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .works-marquee__track { animation: none; }
}
@media (max-width: 720px) {
  .work__link--marquee { flex-basis: 260px; width: 260px; margin-right: 20px; }
  .works-marquee__track { animation-duration: 40s; }
}

/* Filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(32px, 4vw, 56px);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-line);
}
.filter-bar__btn {
  background: transparent;
  border: 1px solid var(--gray-line);
  padding: 10px 18px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--ink-soft);
  transition: all var(--t-fast);
  font-weight: 500;
}
.filter-bar__btn:hover { border-color: var(--navy); color: var(--navy); }
.filter-bar__btn.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

/* ============================================================
   Facility preview / data tables
   ============================================================ */
.fac-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2vw, 28px);
}
.fac-card {
  background: #fff;
  border: 1px solid var(--gray-line);
  padding: clamp(24px, 3vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.fac-card__count {
  font-family: var(--f-num);
  font-size: clamp(38px, 5vw, 56px);
  color: var(--navy);
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
}
.fac-card__count small { font-size: 14px; font-weight: 500; margin-left: 6px; color: var(--gray-metal); }
.fac-card__label {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  letter-spacing: .04em;
}
.fac-card__text {
  font-size: 12.5px;
  color: var(--gray-metal);
  line-height: 1.85;
  margin: 0;
}
@media (max-width: 880px) { .fac-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .fac-grid { grid-template-columns: 1fr; } }

/* Spec table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.spec-table th, .spec-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--gray-line);
  vertical-align: top;
  line-height: 1.7;
}
.spec-table th {
  font-weight: 500;
  color: var(--gray-metal);
  background: var(--gray-bg);
  width: 200px;
  letter-spacing: .04em;
  font-size: 12.5px;
}
.spec-table td.num,
.spec-table td .num { font-family: var(--f-num); color: var(--ink); }
.spec-table--full th { width: 28%; }
@media (max-width: 640px) {
  .spec-table th, .spec-table td { display: block; width: auto; padding: 10px 14px; }
  .spec-table th { border-bottom: 0; padding-bottom: 4px; background: transparent; }
  .spec-table td { padding-top: 0; }
}

/* Machines table */
.mtable { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.mtable thead th {
  font-size: 11.5px; letter-spacing: .15em; color: var(--gray-metal);
  background: var(--gray-bg); padding: 14px 16px; text-align: left;
  border-bottom: 1px solid var(--gray-line);
  font-weight: 500; text-transform: uppercase;
}
.mtable tbody td { padding: 16px; border-bottom: 1px solid var(--gray-line); line-height: 1.5; }
.mtable tbody tr:hover td { background: var(--gray-bg); }
.mtable td.num { font-family: var(--f-num); }

/* ============================================================
   Quality / 3 columns numbered
   ============================================================ */
.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 40px);
}
.q-card {
  border-top: 2px solid var(--navy);
  padding: 32px 0 0;
}
.q-card__num {
  font-family: var(--f-num);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--navy);
  font-weight: 500;
}
.q-card__title {
  margin: 12px 0 12px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .03em;
  line-height: 1.5;
}
.q-card__text {
  margin: 0;
  color: var(--gray-metal);
  font-size: 14px;
  line-height: 1.95;
}
@media (max-width: 720px) {
  .quality-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   CTA section
   ============================================================ */
.cta-banner {
  background: var(--navy);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 30%, rgba(255,255,255,.06), transparent 50%),
    linear-gradient(0deg, rgba(255,255,255,0) 60%, rgba(255,255,255,.04) 100%);
  pointer-events: none;
}
.cta-banner__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  position: relative;
}
.cta-banner__title {
  font-size: clamp(24px, 3.4vw, 38px);
  margin: 0 0 10px;
  letter-spacing: .02em;
  font-weight: 600;
  line-height: 1.4;
}
.cta-banner__text {
  margin: 0;
  color: var(--silver-soft);
  max-width: 60ch;
  line-height: 1.9;
}
.cta-banner__buttons { display: flex; flex-direction: column; gap: 12px; }
@media (max-width: 720px) {
  .cta-banner__inner { grid-template-columns: 1fr; }
  .cta-banner__buttons { flex-direction: row; flex-wrap: wrap; }
}

/* ============================================================
   Page hero (under pages)
   ============================================================ */
.page-hero {
  padding: clamp(80px, 8vw, 120px) 0 clamp(48px, 6vw, 80px);
  border-bottom: 1px solid var(--gray-line);
  background: var(--white);
}
.page-hero__crumb {
  display: flex; gap: 10px; align-items: center;
  font-family: var(--f-num);
  font-size: 11.5px;
  letter-spacing: .15em;
  color: var(--gray-metal);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.page-hero__crumb span { color: var(--silver); }
.page-hero__title {
  font-size: clamp(32px, 4.6vw, 52px);
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: .02em;
  line-height: 1.3;
}
.page-hero__en {
  font-family: var(--f-num);
  letter-spacing: .25em;
  font-size: 12px;
  color: var(--navy);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 10px;
  display: block;
}
.page-hero__lead {
  margin: 16px 0 0;
  color: var(--gray-metal);
  max-width: 60ch;
  line-height: 2;
}

/* ============================================================
   Detail page: works
   ============================================================ */
.work-detail__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
}
.work-detail__visual { aspect-ratio: 4/3; }
.work-detail__gallery {
  margin-top: clamp(40px, 4vw, 60px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.work-detail__gallery .placeholder { aspect-ratio: 4/3; min-height: 0; }
.work-detail__highlights {
  list-style: none; padding: 0; margin: 24px 0 0;
}
.work-detail__highlights li {
  position: relative; padding-left: 24px;
  margin-bottom: 10px; line-height: 1.85; font-size: 14px;
}
.work-detail__highlights li::before {
  content: ""; position: absolute; left: 0; top: 12px;
  width: 14px; height: 1px; background: var(--navy);
}
@media (max-width: 880px) {
  .work-detail__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   About / Recruit
   ============================================================ */
.message {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
}
.message__visual .placeholder { aspect-ratio: 3/4; }
.message__copy h3 {
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: .04em;
  font-weight: 600;
  margin: 0 0 24px;
  line-height: 1.5;
}
.message__copy p {
  color: var(--ink-soft);
  line-height: 2.1;
  margin: 0 0 1em;
  font-size: 14.5px;
}
.message__sig {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-line);
  font-size: 13px;
  color: var(--gray-metal);
  letter-spacing: .06em;
}
.message__sig strong { color: var(--ink); font-size: 16px; margin-left: 8px; font-weight: 600; }
@media (max-width: 880px) {
  .message { grid-template-columns: 1fr; }
}

/* Recruit jobs */
.jobs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--gray-line);
}
.job {
  display: grid;
  grid-template-columns: 80px 1fr 200px;
  gap: 24px;
  padding: clamp(24px, 3vw, 40px) 0;
  border-bottom: 1px solid var(--gray-line);
  align-items: start;
}
.job__num {
  font-family: var(--f-num);
  color: var(--navy);
  font-size: 13px;
  letter-spacing: .2em;
  font-weight: 500;
}
.job__title { font-size: 18px; font-weight: 600; margin: 0 0 12px; letter-spacing: .02em; }
.job__desc { font-size: 13.5px; color: var(--gray-metal); margin: 0; line-height: 1.95; }
.job__salary {
  font-family: var(--f-num);
  font-size: 14px; color: var(--ink);
  letter-spacing: .04em;
}
.job__salary small { display: block; font-size: 11px; color: var(--gray-metal); letter-spacing: .15em; margin-bottom: 6px; text-transform: uppercase; }
@media (max-width: 720px) {
  .job { grid-template-columns: 1fr; gap: 8px; }
}

/* Voices */
.voices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 36px);
}
.voice { display: flex; flex-direction: column; gap: 16px; }
.voice__visual { aspect-ratio: 3/4; }
.voice__role {
  font-family: var(--f-num);
  font-size: 11px; letter-spacing: .2em; color: var(--navy);
  text-transform: uppercase; font-weight: 500;
}
.voice__name { font-size: 15px; font-weight: 600; margin: 0; letter-spacing: .04em; }
.voice__text { font-size: 13.5px; color: var(--gray-metal); margin: 0; line-height: 1.95; }
@media (max-width: 720px) {
  .voices { grid-template-columns: 1fr; gap: 32px; }
}

/* ============================================================
   Form
   ============================================================ */
.form {
  display: grid;
  gap: 24px;
}
.form-row { display: grid; gap: 8px; }
.form-row label {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--ink);
  font-weight: 500;
  display: flex; gap: 8px; align-items: center;
}
.form-row label .req {
  font-size: 10px; padding: 2px 6px;
  background: var(--navy); color: #fff;
  letter-spacing: .1em;
  font-weight: 500;
}
.form-row label .opt {
  font-size: 10px; padding: 2px 6px;
  background: var(--gray-bg); color: var(--gray-metal);
  letter-spacing: .1em;
}
.form-row input,
.form-row select,
.form-row textarea {
  font: inherit;
  background: #fff;
  border: 1px solid var(--gray-line);
  padding: 14px 16px;
  font-size: 14px;
  width: 100%;
  border-radius: 0;
  transition: border-color var(--t-fast);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 0; border-color: var(--navy);
}
.form-row textarea { resize: vertical; min-height: 180px; }
.form-row--2 { grid-template-columns: 1fr 1fr; gap: 24px; }
.form-row--2 > div { display: grid; gap: 8px; }
@media (max-width: 640px) { .form-row--2 { grid-template-columns: 1fr; } }
.form-submit { margin-top: 12px; }
.form-note { font-size: 12px; color: var(--gray-metal); line-height: 1.9; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--navy);
  color: var(--silver-soft);
  padding: clamp(56px, 6vw, 88px) 0 32px;
  font-size: 13px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: clamp(28px, 3vw, 56px);
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand .brand__mark { border-color: #fff; color: #fff; }
.footer-brand .brand__name { color: #fff; }
.footer-brand .brand__en { color: var(--silver); }
.footer-brand p { margin: 16px 0 0; color: var(--silver); font-size: 12.5px; line-height: 1.9; }
.footer-col h4 {
  font-family: var(--f-num);
  font-size: 11px; letter-spacing: .25em; color: #fff;
  margin: 0 0 18px; text-transform: uppercase; font-weight: 500;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-col li a { color: var(--silver-soft); font-size: 13px; }
.footer-col li a:hover { color: #fff; }
.footer-info { font-size: 12.5px; line-height: 1.95; color: var(--silver); }
.footer-info strong { color: #fff; display: block; margin-bottom: 4px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 28px; font-family: var(--f-num); font-size: 11px;
  letter-spacing: .15em; color: var(--silver);
  flex-wrap: wrap; gap: 12px;
  text-transform: uppercase;
}
@media (max-width: 880px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-top { grid-template-columns: 1fr; }
}

/* ============================================================
   Reveal animation (fade in)
   ============================================================ */
[data-reveal] {
  opacity: 0; transform: translateY(16px);
  transition: opacity .8s var(--t-mid), transform .8s var(--t-mid);
}
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   Utility
   ============================================================ */
.divider {
  border: 0; border-top: 1px solid var(--gray-line);
  margin: clamp(40px, 5vw, 72px) 0;
}
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.text-center { text-align: center; }
.text-muted { color: var(--gray-metal); }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.tag {
  display: inline-block;
  font-family: var(--f-num);
  font-size: 10.5px; padding: 4px 10px;
  border: 1px solid var(--gray-line);
  color: var(--gray-metal);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.tag--navy { background: var(--navy); color: #fff; border-color: var(--navy); }