/* ============================================================
   xR&D Technologies. — CONCEPT 05 "TWO DOORS"
   HERO は 02 のキネティックタイポ。ノックアウトは中盤に 2 回だけ。
   扉: #loop (THE LOOP) / #people (PEOPLE)   休符: #office (ALL HERE.)
   ============================================================ */
:root {
  --ink: #05070d;
  --blue: #2f6bff;
  --sky: #7cc5ff;
  --mut: rgba(255, 255, 255, 0.62);
  --line: rgba(255, 255, 255, 0.2);
  --en: "Space Grotesk", sans-serif;
  --display: "Anton", sans-serif;
  --jp: "Zen Kaku Gothic New", sans-serif;
  --jp-serif: "Shippori Mincho B1", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: var(--ink); }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  font-family: var(--jp);
  color: #fff;
  background: var(--ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--blue); color: #fff; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
html.has-cursor, html.has-cursor a, html.has-cursor button { cursor: none; }
html.has-cursor input, html.has-cursor textarea { cursor: text; }

/* ============ GRAIN ============ */
.grain {
  position: fixed; inset: -40px; z-index: 90; pointer-events: none;
  opacity: 0.07; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ CURSOR ============ */
.cursor {
  position: fixed; left: 0; top: 0; z-index: 120; pointer-events: none;
  opacity: 0; transition: opacity 0.4s;
}
html.has-cursor .cursor { opacity: 1; }
.cursor__ring {
  position: absolute; left: -7px; top: -7px;
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; mix-blend-mode: difference;
  display: flex; align-items: center; justify-content: center;
  transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1), height 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    left 0.35s cubic-bezier(0.22, 1, 0.36, 1), top 0.35s cubic-bezier(0.22, 1, 0.36, 1), background 0.3s;
}
.cursor.is-big .cursor__ring { left: -44px; top: -44px; width: 88px; height: 88px; }
.cursor.has-label .cursor__ring { background: var(--blue); mix-blend-mode: normal; }
.cursor__label {
  font-family: var(--en); font-style: normal; font-weight: 600;
  font-size: 0.6rem; letter-spacing: 0.18em; color: #fff;
  opacity: 0; transition: opacity 0.25s; white-space: nowrap;
}
.cursor.has-label .cursor__label { opacity: 1; }

/* ============ PRELOADER ============ */
.load {
  position: fixed; inset: 0; z-index: 200;
  background: var(--ink);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2.2rem;
}
.load__word {
  font-family: var(--display); font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: 0.04em; text-align: center; line-height: 1;
}
.load__word em {
  display: block; font-style: normal;
  font-family: var(--en); font-weight: 300;
  font-size: 0.32em; letter-spacing: 0.44em; color: var(--sky);
  margin-top: 0.7em;
}
.load__bar { width: min(240px, 56vw); height: 1px; background: rgba(255, 255, 255, 0.14); overflow: hidden; }
.load__bar i {
  display: block; height: 100%; width: 100%;
  background: #fff;
  transform: scaleX(0); transform-origin: left;
}
.load__pct { font-family: var(--en); font-size: 0.72rem; letter-spacing: 0.3em; color: var(--mut); }
.load__pct b { font-weight: 600; color: #fff; }

/* ============ STAGE ============ */
.stage { position: fixed; inset: 0; z-index: 0; overflow: hidden; background: var(--ink); }
.stage__vid {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0; will-change: opacity, transform; pointer-events: none;
}
.stage__scrim {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 50%, rgba(5, 7, 13, 0.35)),
    linear-gradient(rgba(5, 7, 13, 0) 46%, rgba(5, 7, 13, 0.82) 94%);
}

/* ============ KNOCKOUT MASK ============ */
.knock { position: fixed; inset: 0; z-index: 2; width: 100%; height: 100%; pointer-events: none; }
.knockT {
  font-family: var(--display); font-size: 320px;
  /* text-anchor=middle は末尾の字間も送り幅に数えるため、
     letter-spacing があるとその半分だけ左へずれる。幅は textLength で決めるので不要。 */
  letter-spacing: 0;
  fill: #000;
  will-change: transform, opacity;
}
#knockZoom { will-change: transform; }

/* ============ HEADER ============ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem clamp(1.2rem, 4vw, 3rem);
  color: #fff; mix-blend-mode: difference;
}
.header__logo { font-family: var(--en); display: flex; flex-direction: column; line-height: 1.1; }
.header__logo b { font-weight: 700; font-size: 1.15rem; letter-spacing: 0.02em; }
.header__logo small { font-size: 0.5rem; letter-spacing: 0.32em; opacity: 0.7; }
.header__meta { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2rem); }
.clock { font-family: var(--en); font-size: 0.68rem; letter-spacing: 0.22em; opacity: 0.85; }
.clock b { font-weight: 600; margin-left: 0.4em; }
.menu-btn {
  display: flex; align-items: center; gap: 0.7em;
  background: none; border: none; color: #fff;
  font-family: var(--en); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.26em;
  cursor: pointer; padding: 0.4em 0;
}
.menu-btn__ico { position: relative; display: block; width: 26px; height: 12px; }
.menu-btn__ico i {
  position: absolute; left: 0; top: 50%;
  width: 100%; height: 1.5px; background: #fff;
  transition: transform 0.45s cubic-bezier(0.65, 0, 0.35, 1);
}
.menu-btn__ico i:first-child { transform: translateY(-4px); }
.menu-btn__ico i:last-child { transform: translateY(4px); }
.menu-btn.is-open .menu-btn__ico i:first-child { transform: rotate(45deg); }
.menu-btn.is-open .menu-btn__ico i:last-child { transform: rotate(-45deg); }

/* ============ MENU OVERLAY ============ */
.menu {
  position: fixed; inset: 0; z-index: 70;
  background: rgba(5, 7, 13, 0.92);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  clip-path: inset(0 0 100% 0);
  pointer-events: none;
}
.menu.is-open { pointer-events: auto; }
.menu__inner {
  height: 100%; display: flex; flex-direction: column; justify-content: center;
  padding: 0 clamp(1.2rem, 6vw, 6rem); gap: clamp(1.4rem, 4vh, 2.6rem);
}
.menu__eyebrow { font-family: var(--en); font-size: 0.66rem; letter-spacing: 0.42em; color: var(--sky); }
.menu__list { display: flex; flex-direction: column; }
.menu__link { display: block; overflow: hidden; border-top: 1px solid rgba(255, 255, 255, 0.12); }
.menu__list li:last-child .menu__link { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.mask { display: block; overflow: hidden; }
.mask > span { display: inline-block; will-change: transform; }
.menu__link .mask > span {
  font-family: var(--display); font-size: clamp(2.2rem, 6.4vh, 4.4rem);
  letter-spacing: 0.02em; line-height: 1.14;
  padding: 0.08em 0;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), color 0.4s;
}
.menu__link i {
  font-style: normal; font-family: var(--en); font-size: 0.32em;
  letter-spacing: 0.3em; color: var(--sky); margin-right: 0.9em; vertical-align: 0.5em;
}
.menu__link:hover .mask > span { transform: translateX(0.4em); color: var(--sky); }
.menu__foot {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-family: var(--en); font-size: 0.72rem; letter-spacing: 0.14em; color: var(--mut);
}
.menu__foot a:hover { color: var(--sky); }

/* ============ RAIL ============ */
.rail {
  position: fixed; right: clamp(1rem, 2.4vw, 2rem); top: 50%; z-index: 55;
  transform: translateY(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.9rem;
  mix-blend-mode: difference;
}
.rail__idx { font-family: var(--en); font-weight: 600; font-size: 0.72rem; letter-spacing: 0.14em; }
.rail__track { width: 1px; height: 120px; background: rgba(255, 255, 255, 0.22); position: relative; overflow: hidden; }
.rail__track i { position: absolute; inset: 0; background: #fff; transform: scaleY(0); transform-origin: top; }
.rail__name { font-family: var(--en); font-size: 0.56rem; letter-spacing: 0.34em; writing-mode: vertical-rl; }

/* ============ SHARED — head (info sections) ============ */
main { position: relative; z-index: 10; }
.head__row { display: flex; align-items: baseline; gap: 1.2rem; margin-bottom: 1.2rem; }
.head__idx {
  font-family: var(--en); font-weight: 700; font-size: 0.8rem; letter-spacing: 0.2em;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, 0.65);
}
.head__eyebrow {
  font-family: var(--en); font-weight: 500; font-size: 0.68rem;
  letter-spacing: 0.42em; color: var(--sky);
  text-shadow: 0 1px 12px rgba(5, 7, 13, 0.6);
}
.head__title {
  font-family: var(--display); font-weight: 400;
  /* 幅だけで決めると低い画面で見出しが本文を押し出す。高さにも連動させる */
  font-size: clamp(3.4rem, min(9.4vw, 15svh), 8.2rem);
  line-height: 0.98; letter-spacing: 0.015em; text-transform: uppercase;
  /* text-shadow だと内側の .mask(overflow:hidden) にぼかしが四角く切られる。
     クリップの外側にある親へ drop-shadow をかけて、文字の形のまま影を出す。 */
  filter: drop-shadow(0 2px 22px rgba(5, 7, 13, 0.55));
}
.head__title--xl { font-size: clamp(3.8rem, min(12.5vw, 20svh), 11rem); }
.head__jp {
  font-family: var(--jp-serif); font-weight: 500;
  font-size: clamp(0.95rem, 1.9vw, 1.35rem);
  line-height: 2; letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.94);
  text-shadow: 0 1px 18px rgba(5, 7, 13, 0.6);
}
.head--center { text-align: center; }
.head--center .head__row { justify-content: center; }

/* ============ SHARED — cap (title doors) ============ */
.cap { max-width: 760px; }
.cap__en {
  display: flex; align-items: baseline; gap: 1em;
  font-family: var(--en); font-weight: 500; font-size: 0.66rem;
  letter-spacing: 0.4em; color: var(--sky);
  margin-bottom: 1.4rem;
  text-shadow: 0 1px 12px rgba(5, 7, 13, 0.7);
}
.cap__en b { font-weight: 700; color: transparent; -webkit-text-stroke: 1px rgba(124, 197, 255, 0.9); }
.cap__jp {
  font-family: var(--jp-serif); font-weight: 500;
  font-size: clamp(1.1rem, 2.3vw, 1.7rem);
  line-height: 2.05; letter-spacing: 0.1em;
  color: #fff;
  text-shadow: 0 1px 26px rgba(5, 7, 13, 0.9);
}
.cap__sub {
  margin-top: 1.4rem; font-size: 0.78rem; letter-spacing: 0.1em;
  line-height: 2; color: var(--mut);
  text-shadow: 0 1px 12px rgba(5, 7, 13, 0.7);
}

/* ============ HERO — ABOUT と同じ recipe（大見出し／サブ／白い線）============ */
.hero {
  min-height: 100svh; position: relative;
  display: flex; flex-direction: column; justify-content: flex-end;
  /* 下端揃えなので、中身が画面高を超えると上へはみ出してヘッダーに潜る。
     padding-top でヘッダー(約63px)ぶんの逃げを必ず確保する。 */
  padding: clamp(5rem, 12svh, 7.5rem) clamp(1.2rem, 5vw, 4.5rem) clamp(3.4rem, 8vh, 5.6rem);
}
/* 見出しは ABOUT の HYBRID. と同じ扱い。サイズも .head__title に揃える。
   社名なので text-transform はかけず、ブランド表記のまま出す。 */
.hero__title {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(3.4rem, min(9.4vw, 15svh), 8.2rem);
  line-height: 0.98; letter-spacing: 0.015em;
  color: #fff;
  filter: drop-shadow(0 2px 22px rgba(5, 7, 13, 0.5));   /* .head__title と同じ理由 */
  margin-bottom: -0.12em;          /* 下の padding ぶんを打ち消して字間を保つ */
}
/* "Technologies." の g が .mask の overflow:hidden で切れるので下に逃げを取る */
.hero__title .mask > span { padding-bottom: 0.2em; }
.hero__inner { position: relative; z-index: 1; }
/* 見出しの下に置くサブタイトル。色は元どおり水色。 */
.hero__eyebrow {
  font-family: var(--en); font-weight: 500;
  font-size: clamp(0.62rem, 1vw, 0.76rem); letter-spacing: 0.42em;
  color: var(--sky);
  margin-top: clamp(0.9rem, 2.2vh, 1.4rem);
  text-shadow: 0 1px 14px rgba(5, 7, 13, 0.6);
}
.hero__sub {
  font-family: var(--jp-serif);
  margin-top: clamp(0.9rem, 2.2vh, 1.4rem); font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  line-height: 2.1; letter-spacing: 0.09em;
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 1px 18px rgba(5, 7, 13, 0.6);
}
.hero__meta {
  display: flex; align-items: center; gap: clamp(1.4rem, 3.4vw, 3rem);
  margin-top: clamp(1.6rem, 4vh, 2.6rem); flex-wrap: wrap;
  font-family: var(--en); font-size: 0.66rem; letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.8);
}

/* CTA — 02/03/04 で失われていたファーストビューの導線を復帰 */
.hero__cta {
  display: flex; flex-wrap: wrap; gap: 0.8rem;
  width: 100%; max-width: 1100px;
  margin-top: clamp(1.8rem, 4vh, 2.6rem);
  padding-top: clamp(1.6rem, 3.5vh, 2.4rem);
  border-top: 1px solid var(--line);   /* ABOUT の 2 カラムと同じ白い線 */
}
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--jp); font-weight: 500; font-size: 0.86rem; letter-spacing: 0.1em;
  border-radius: 99px; padding: 0.95em 2rem;
  transition: background 0.4s, border-color 0.4s, color 0.4s;
}
.btn i { font-style: normal; transition: transform 0.35s; }
.btn:hover i { transform: translateX(5px); }
.btn--fill { background: var(--blue); border: 1px solid transparent; color: #fff; }
.btn--fill:hover { background: #fff; color: var(--ink); }
.btn--line { border: 1px solid rgba(255, 255, 255, 0.5); color: #fff; }
.btn--line:hover { background: rgba(255, 255, 255, 0.94); border-color: transparent; color: var(--ink); }

.hero__cue { display: flex; align-items: center; gap: 0.7em; margin-left: auto; }
.hero__cue i {
  width: 1px; height: 42px; background: rgba(255, 255, 255, 0.3);
  position: relative; overflow: hidden; display: block;
}
.hero__cue i::after {
  content: ""; position: absolute; left: 0; top: -100%; width: 100%; height: 100%;
  background: var(--sky);
  animation: sline 2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}
@keyframes sline { 0% { top: -100%; } 55% { top: 0; } 100% { top: 100%; } }

/* ============ MARQUEE ============ */
.marquee {
  position: relative; z-index: 10; overflow: hidden;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 1rem 0;
  background: rgba(5, 7, 13, 0.35);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.marquee__in { display: flex; align-items: center; gap: 2.4rem; width: max-content; will-change: transform; }
.marquee__in span {
  font-family: var(--display); font-size: clamp(1.1rem, 2.6vw, 1.9rem);
  letter-spacing: 0.06em; white-space: nowrap;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, 0.55);
}
.marquee__in i { color: var(--sky); font-style: normal; font-size: 0.9rem; }

/* ============ LAYOUT — title doors / info / breath ============
   合計 約18.7画面分 (04 の 24.4 画面より短く、02 の 19.3 画面ともほぼ同じ)

   .ttl を 200vh にしているのは、sticky を 1 画面ぶん (200-100) 固定して
   「文字 + その下のテキスト」を静止させる時間を作るため。
   130vh だと着地してすぐ開扉が始まって忙しい。 */
.ttl { height: 200vh; position: relative; }
.ttl__sticky {
  position: sticky; top: 0; height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end; align-items: center;
  padding: 0 clamp(1.2rem, 5vw, 4.5rem) clamp(4rem, 14vh, 9rem);
}
/* 扉のキャプションはノックアウト文字の真下に置く (文字の下端は約 62vh) */
.ttl .cap { text-align: center; max-width: 720px; }
.ttl .cap__en { justify-content: center; }
.info { height: 190vh; position: relative; color: #fff; }
.info--tall { height: 250vh; }
.info--end { height: 200vh; }
.info__sticky {
  position: sticky; top: 0; height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 clamp(1.2rem, 5vw, 4.5rem) clamp(3rem, 7vh, 5rem);
}

.breath { height: 160vh; position: relative; }
.breath__sticky {
  position: sticky; top: 0; height: 100svh;
  display: flex; align-items: center; justify-content: center;
  padding: 0 clamp(1.2rem, 5vw, 4.5rem);
}
.breath .head { max-width: 1200px; margin: 0 auto; }

/* ============ WHO — 2カラム (02 から復帰。md 一致度が最も高い本文) ============ */
.who {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(330px, 100%), 1fr));
  gap: clamp(1.6rem, 4vw, 3.4rem); margin-top: clamp(1.8rem, 4.5vh, 3rem);
  max-width: 1100px;
}
.who__col { border-top: 1px solid var(--line); padding-top: 1.3rem; }
.who__tag {
  font-family: var(--en); font-weight: 600; font-size: 0.72rem;
  letter-spacing: 0.3em; color: var(--sky); display: block; margin-bottom: 1rem;
}
.who__lead {
  font-family: var(--jp-serif); font-weight: 500;
  font-size: clamp(1.05rem, 1.9vw, 1.4rem); line-height: 1.9; letter-spacing: 0.08em;
  text-shadow: 0 1px 14px rgba(5, 7, 13, 0.6);
}
.who__body { margin-top: 1rem; font-size: 0.85rem; line-height: 2; letter-spacing: 0.05em; color: var(--mut); }

/* ============ BUSINESS INDEX LIST ============ */
.idx { margin-top: clamp(1.6rem, 4vh, 2.6rem); max-width: 1240px; }
.idx__row {
  display: grid; grid-template-columns: 3.4rem minmax(0, 1fr) auto auto 2.6rem;
  align-items: center; gap: 1rem;
  /* sticky で固定される区画なので、溢れた分はスクロールで到達できない。
     行の高さを画面高に連動させ、9 行が必ず 1 画面に収まるようにする。 */
  padding: clamp(0.35rem, 1.1svh, 0.62rem) 0.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  position: relative; isolation: isolate;
}
.idx__row:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.16); }
.idx__row::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--blue);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform 0.45s cubic-bezier(0.65, 0, 0.35, 1);
}
.idx__row:hover::before { transform: scaleY(1); transform-origin: top; }
.idx__no { font-family: var(--en); font-weight: 500; font-size: 0.72rem; letter-spacing: 0.16em; color: var(--mut); transition: color 0.3s; }
.idx__name {
  font-family: var(--display); font-weight: 400;
  /* --idx-fs は JS(fitIdxList) が実測して詰めるときだけ入る */
  font-size: var(--idx-fs, clamp(1.35rem, min(3.1vw, 4.3svh), 2.6rem));
  letter-spacing: 0.02em; line-height: 1.05; text-transform: uppercase;
  text-shadow: 0 1px 16px rgba(5, 7, 13, 0.55);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.idx__jp {
  font-family: var(--jp); font-size: 0.76rem; letter-spacing: 0.06em;
  color: var(--mut); white-space: nowrap; text-align: right;
  transition: color 0.3s;
}
.idx__cat { font-family: var(--en); font-size: 0.58rem; font-weight: 600; letter-spacing: 0.3em; color: var(--sky); transition: color 0.3s; }
.idx__arrow { font-family: var(--en); font-size: 1.1rem; color: var(--mut); transition: transform 0.4s, color 0.3s; justify-self: end; }
.idx__row:hover .idx__name { transform: translateX(0.5em); }
.idx__row:hover .idx__no, .idx__row:hover .idx__arrow { color: #fff; }
.idx__row:hover .idx__jp { color: rgba(255, 255, 255, 0.92); }
.idx__row:hover .idx__cat { color: rgba(255, 255, 255, 0.8); }
.idx__row:hover .idx__arrow { transform: translateX(6px) rotate(-45deg); }

/* ============ NUMBERS ============ */
.nums {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: clamp(1.2rem, 3vw, 2.4rem);
  margin-top: clamp(1.8rem, 4.5vh, 3rem); max-width: 1240px;
}
.num { border-top: 1px solid var(--line); padding-top: 1.1rem; }
.num b {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(2.6rem, 6.4vw, 5.4rem);
  line-height: 1; letter-spacing: 0.01em; display: block;
  color: var(--sky);
}
.num b i { font-style: normal; font-size: 0.36em; letter-spacing: 0.1em; margin-left: 0.15em; }
.num__lbl { display: block; margin-top: 0.6rem; font-size: 0.74rem; letter-spacing: 0.12em; color: var(--mut); }
.nums__uni { margin-top: 1.4rem; font-size: 0.76rem; letter-spacing: 0.1em; color: var(--mut); }

/* ============ FOUNDERS ============ */
.fcards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr));
  gap: clamp(1.8rem, 4vw, 3.4rem);
  margin-top: clamp(1.8rem, 4.5vh, 3rem); max-width: 1160px;
}
.fcard { border-top: 1px solid var(--line); padding-top: 1.3rem; }
.fcard__side {
  font-family: var(--en); font-weight: 600; font-size: 0.68rem;
  letter-spacing: 0.3em; color: var(--sky); display: block; margin-bottom: 0.9rem;
}
.fcard h3 {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(1.8rem, 3.6vw, 3rem);
  letter-spacing: 0.02em; line-height: 1; text-transform: uppercase;
  text-shadow: 0 1px 18px rgba(5, 7, 13, 0.55);
}
.fcard__jp { display: block; margin: 0.6rem 0 0.9rem; font-family: var(--jp-serif); font-size: 0.9rem; letter-spacing: 0.24em; color: var(--mut); }
.fcard p { font-size: 0.85rem; line-height: 2; letter-spacing: 0.05em; color: rgba(255, 255, 255, 0.88); max-width: 34em; }
.fcards__note { margin-top: 1.8rem; font-size: 0.84rem; letter-spacing: 0.1em; color: var(--mut); }
.hiring {
  font-family: var(--en); font-size: 0.6rem; font-weight: 700; letter-spacing: 0.24em;
  background: var(--blue);
  border-radius: 99px; padding: 0.35em 0.9em; margin-left: 0.6em; color: #fff;
}

/* ============ NEWS LIST ============ */
.nlist { margin-top: clamp(1.6rem, 4vh, 2.6rem); max-width: 1080px; }
.nlist__row {
  display: grid; grid-template-columns: 5.4rem auto 1fr 2.4rem;
  align-items: baseline; gap: 1.1rem;
  padding: 1.05rem 0.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  position: relative; isolation: isolate;
}
.nlist__row:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.16); }
.nlist__row::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: rgba(255, 255, 255, 0.94);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform 0.45s cubic-bezier(0.65, 0, 0.35, 1);
}
.nlist__row:hover::before { transform: scaleY(1); transform-origin: top; }
.nlist__row time { font-family: var(--en); font-size: 0.76rem; letter-spacing: 0.1em; color: var(--mut); transition: color 0.3s; }
.nlist__tag {
  font-family: var(--en); font-size: 0.56rem; font-weight: 600; letter-spacing: 0.24em;
  border: 1px solid var(--sky); color: var(--sky);
  border-radius: 99px; padding: 0.3em 0.85em;
  transition: border-color 0.3s, color 0.3s;
}
.nlist__ttl { font-size: 0.95rem; font-weight: 500; letter-spacing: 0.05em; transition: color 0.3s, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1); }
.nlist__row:hover time, .nlist__row:hover .nlist__ttl { color: var(--ink); }
.nlist__row:hover .nlist__tag { border-color: var(--blue); color: var(--blue); }
.nlist__row:hover .idx__arrow { color: var(--ink); }
.nlist__row:hover .nlist__ttl { transform: translateX(0.4em); }

/* ============ CONTACT ============ */
.mail {
  display: inline-block; margin-top: clamp(1.6rem, 4vh, 2.6rem);
  font-family: var(--display); font-weight: 400;
  font-size: clamp(1.7rem, 4.6vw, 4rem);
  letter-spacing: 0.02em; line-height: 1.1; color: #fff;
  position: relative; width: fit-content;
  text-shadow: 0 2px 24px rgba(5, 7, 13, 0.55);
}
.mail::after {
  content: ""; position: absolute; left: 0; bottom: -0.12em; height: 3px; width: 100%;
  background: linear-gradient(90deg, var(--blue), var(--sky));
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1);
}
.mail:hover::after { transform: scaleX(1); transform-origin: left; }
.cgrid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: clamp(1.8rem, 5vw, 4.5rem);
  margin-top: clamp(1.8rem, 4.5vh, 3rem); max-width: 1160px;
}
.cgrid__addr { font-size: 0.86rem; line-height: 2.1; letter-spacing: 0.06em; color: var(--mut); }
.cgrid__addr-jp { font-size: 0.78rem; opacity: 0.72; }
.cform { display: flex; flex-direction: column; gap: 0.4rem; max-width: 460px; }
.cform input, .cform textarea {
  font-family: var(--jp); font-size: 0.88rem; letter-spacing: 0.05em;
  padding: 0.85em 0.2em; background: transparent;
  border: none; border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff; outline: none; resize: vertical;
  transition: border-color 0.35s;
}
.cform input::placeholder, .cform textarea::placeholder { color: rgba(255, 255, 255, 0.5); }
.cform input:focus, .cform textarea:focus { border-color: var(--sky); }
.send {
  align-self: flex-start; margin-top: 1.2rem;
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--jp); font-weight: 500; font-size: 0.86rem; letter-spacing: 0.1em;
  color: #fff; background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.5); border-radius: 99px;
  padding: 0.9em 1.9em; cursor: pointer;
  transition: background 0.4s, border-color 0.4s;
}
.send i { font-style: normal; transition: transform 0.35s; }
.send:hover { background: var(--blue); border-color: var(--blue); }
.send:hover i { transform: translateX(5px); }

/* ============ FOOTER — 3つめのノックアウト ============
   扉① THE LOOP / 扉② PEOPLE に続く締め。全画面ぶんの暗幕を
   "xR&D Technologies." の字面で抜く。扉と同じ見え方。
   暗幕 (#footRect) は ink 100% なので .foot__row も段差なく乗る。 */
.foot {
  position: relative; z-index: 12;
  height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.foot__knock { position: absolute; inset: 0; }
.foot__knock svg { width: 100%; height: 100%; display: block; }
.footT { font-family: var(--display); fill: #000; letter-spacing: 0.01em; }
.foot__row {
  position: relative;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.3rem clamp(1.2rem, 5vw, 4.5rem) 1.5rem;
  font-size: 0.74rem; letter-spacing: 0.08em; color: var(--mut);
}
.foot__logo { font-family: var(--en); }
.foot__logo b { font-weight: 700; color: #fff; }
.foot__nav { display: flex; gap: 1.3rem; flex-wrap: wrap; }
.foot__nav a:hover { color: var(--sky); }

/* ============ CONCEPT SWITCH ============ */
.concept {
  position: fixed; left: clamp(1rem, 2.4vw, 2rem); bottom: 1.2rem; z-index: 65;
  font-family: var(--en); font-size: 0.62rem; letter-spacing: 0.26em;
  color: rgba(255, 255, 255, 0.75); mix-blend-mode: difference;
  display: flex; align-items: center; gap: 0.5em;
}
.concept b { color: var(--sky); }
.concept i { font-style: normal; transition: transform 0.3s; }
.concept:hover i { transform: translateX(4px); }

/* ============ RESPONSIVE ============ */
/* ============ RESPONSIVE ============
   1100px  日本語説明と英名が横で competing するので区分ラベルを落とす
    860px  1 カラム化。扉と情報区画の高さも詰める
    480px  字間を締めて、eyebrow の不要な折り返しを防ぐ
   hover なし端末では、タップ後に hover 状態が残らないようにする */

@media (max-width: 1100px) {
  .idx__row { grid-template-columns: 3.4rem minmax(0, 1fr) auto 2.6rem; }
  .idx__cat { display: none; }
}

@media (max-width: 860px) {
  .rail { display: none; }
  .clock { display: none; }
  .concept { left: auto; right: 1rem; bottom: 1rem; }
  .idx__row { grid-template-columns: 2.4rem 1fr 2rem; }
  .idx__cat { display: none; }
  /* 1 行に収まらないので、日本語は英名の下へ回す */
  .idx__no   { grid-column: 1; grid-row: 1; }
  .idx__name { grid-column: 2; grid-row: 1; }
  .idx__jp   { grid-column: 2; grid-row: 2; text-align: left; white-space: normal; margin-top: 0.2rem; }
  .idx__arrow{ grid-column: 3; grid-row: 1; }
  .nlist__row { grid-template-columns: 4.6rem 1fr 2rem; }
  .nlist__tag { display: none; }
  .ttl { height: 180vh; }
  .ttl__sticky { padding-bottom: clamp(3rem, 10vh, 6rem); }
  .info { height: 175vh; }
  .info--tall { height: 230vh; }
  .info--end { height: 190vh; }
  .breath { height: 145vh; }
  .hero__cta { gap: 0.6rem; }
  .btn { padding: 0.9em 1.5rem; font-size: 0.8rem; }
  /* 折り返すと SCROLL だけが右端に取り残される */
  .hero__cue { margin-left: 0; }
  /* フッターは 3 ブロックを縦に積む */
  .foot__row { flex-direction: column; align-items: flex-start; gap: 0.9rem; }
  .foot__nav { gap: 1rem; }
}

@media (max-width: 480px) {
  .head__eyebrow, .hero__eyebrow, .menu__eyebrow, .cap__en { letter-spacing: 0.26em; }
  .idx__jp { font-size: 0.72rem; line-height: 1.35; margin-top: 0.15rem; }
  .idx__name { font-size: var(--idx-fs, clamp(1.1rem, min(3.1vw, 4.3svh), 2.6rem)); }
  .nums { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
}

/* 横向きスマホなど、画面が極端に低いとき (max-height: 560px)。
   .info は sticky で 1 画面に固定されるため、収まらない分は
   スクロールしても到達できない。この高さでは 9 行のリストも
   創業者カードも問い合わせフォームも入りきらないので、
   情報セクションだけ固定をやめて通常スクロールへ戻す。
   扉 (.ttl) と休符 (.breath) は元々短いので固定のまま。 */
@media (max-height: 560px) {
  .info, .info--tall, .info--end { height: auto; }
  .info__sticky {
    position: relative; height: auto;
    padding-top: clamp(4.5rem, 14svh, 7rem);
    padding-bottom: clamp(2.4rem, 8vh, 5rem);
  }
  .idx { margin-top: clamp(0.8rem, 3vh, 2.6rem); }
  .idx__row { padding: clamp(0.28rem, 1.1svh, 0.62rem) 0.2rem; }
  .hero { padding-top: clamp(4rem, 12svh, 7.5rem); }
  .ttl__sticky, .breath__sticky { padding-bottom: clamp(1.6rem, 6vh, 5rem); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__cue i::after { animation: none; }
}