/* =========================================================
   Urban Treasure Connect — Corporate Site (叩き台)
   Aesthetic: refined editorial × warm luxury × quiet city grid
   Brand tokens: urban-treasure-connect-brand/tokens/brand-tokens.css 準拠
   ========================================================= */

:root {
  /* Brand palette */
  --charcoal: #1F282A;
  --deep-teal: #006A70;
  --bright-teal: #079B98;
  --gold: #CBA34A;
  --paper: #FAF9F5;
  --paper-soft: #FFFDF8;
  --ink: #111416;
  --white: #FFFFFF;

  /* Derived tones */
  --ink-soft: #4D5657;
  --ink-faint: #929895;
  --line: rgba(31, 40, 42, 0.10);
  --line-dark: rgba(248, 246, 240, 0.14);
  --teal-wash: rgba(0, 111, 116, 0.07);
  --gold-wash: rgba(203, 163, 74, 0.14);
  --shadow-soft: 0 18px 64px rgba(20, 28, 30, 0.06);
  --shadow-lift: 0 28px 80px rgba(20, 28, 30, 0.10);
  --liquid-glass-bg:
    linear-gradient(145deg, rgba(255,255,255,.76), rgba(255,255,255,.32) 38%, rgba(255,255,255,.18) 54%, rgba(7,155,152,.08) 72%, rgba(203,163,74,.13)),
    rgba(255,255,255,.26);
  --liquid-glass-bg-hover:
    linear-gradient(145deg, rgba(255,255,255,.86), rgba(255,255,255,.38) 38%, rgba(255,255,255,.21) 54%, rgba(7,155,152,.10) 72%, rgba(203,163,74,.16)),
    rgba(255,255,255,.32);
  --liquid-glass-border: rgba(255,255,255,.56);
  --liquid-glass-shadow:
    inset 0 1px 1px rgba(255,255,255,.9),
    inset 0 -18px 28px rgba(255,255,255,.20),
    inset 0 0 18px rgba(255,255,255,.14),
    0 18px 44px rgba(20,28,30,.14);
  --liquid-glass-shadow-hover:
    inset 0 1px 1px rgba(255,255,255,.94),
    inset 0 -18px 30px rgba(255,255,255,.24),
    inset 0 0 22px rgba(255,255,255,.18),
    0 24px 58px rgba(20,28,30,.18);
  --liquid-glass-shine: linear-gradient(112deg, transparent 24%, rgba(255,255,255,.56) 40%, transparent 57%);

  /* Type */
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --mincho: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --gothic: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Zen Kaku Gothic New", sans-serif;

  /* Spacing rhythm */
  --gutter: clamp(20px, 5vw, 96px);
  --section-y: clamp(80px, 11vw, 180px);
  --maxw: 1320px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--gothic);
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255,255,255,.74), rgba(250,249,245,.94)),
    url("assets/luxury-paper-texture.jpg"),
    var(--paper);
  background-size: auto, 980px auto, auto;
  line-height: 1.85;
  font-feature-settings: "palt" 1, "kern" 1;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* グレインのテクスチャ層（チープさ回避・質感の底上げ） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: .016;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body.is-loading { overflow: hidden; }

.loader {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 20px;
  color: var(--ink);
  background:
    radial-gradient(70% 62% at 50% 42%, rgba(255,255,255,.82), rgba(250,249,245,.92) 62%, rgba(250,249,245,.98)),
    url("assets/luxury-paper-texture.jpg"),
    var(--paper);
  background-size: auto, 980px auto, auto;
  transition: opacity .56s var(--ease), visibility .56s var(--ease), filter .56s var(--ease);
}
.loader::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(31,40,42,.035) 1px, transparent 1px),
    linear-gradient(0deg, rgba(31,40,42,.028) 1px, transparent 1px);
  background-size: clamp(54px, 7vw, 96px) clamp(54px, 7vw, 96px);
  -webkit-mask-image: radial-gradient(80% 68% at 50% 45%, #000 10%, transparent 78%);
          mask-image: radial-gradient(80% 68% at 50% 45%, #000 10%, transparent 78%);
  opacity: .62;
}
.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  filter: blur(10px);
  pointer-events: none;
}
.loader__mark {
  position: relative;
  z-index: 1;
  width: clamp(38px, 4.8vw, 48px);
  aspect-ratio: 294 / 364;
  opacity: .96;
  filter: drop-shadow(0 22px 44px rgba(20,28,30,.10));
}
.loader__mark img {
  position: relative;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.loader__star {
  position: absolute;
  z-index: 2;
  left: 49.5%;
  top: 49.4%;
  width: 29%;
  height: 36%;
  background:
    linear-gradient(135deg, #F7C95F 0%, #CBA34A 52%, #FFE39A 100%);
  clip-path: polygon(50% 0%, 62% 37%, 100% 50%, 62% 63%, 50% 100%, 38% 63%, 0% 50%, 38% 37%);
  filter:
    drop-shadow(0 0 12px rgba(203,163,74,.34))
    drop-shadow(0 7px 15px rgba(119,83,18,.16));
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0deg) scale(.82);
  transform-origin: center;
  transition: opacity .22s var(--ease), transform .22s var(--ease);
}
.loader.is-complete .loader__star {
  opacity: 1;
  animation: loader-star-spin .72s var(--ease) both;
}
@keyframes loader-star-spin {
  0% { transform: translate(-50%, -50%) rotate(0deg) scale(.82); }
  36% { transform: translate(-50%, -50%) rotate(132deg) scale(1.12); }
  100% { transform: translate(-50%, -50%) rotate(360deg) scale(.9); }
}
.loader__progress {
  position: relative;
  z-index: 1;
  width: min(176px, calc(100vw - 96px));
  height: 2px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(31,40,42,.10);
}
.loader__bar {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(0,106,112,.74), rgba(203,163,74,.86), rgba(7,155,152,.74));
  box-shadow: 0 0 18px rgba(203,163,74,.22);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .22s var(--ease);
}
.loader__percent {
  position: relative;
  z-index: 1;
  min-width: 5ch;
  font-family: var(--gothic);
  font-size: .68rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums lining-nums;
  font-feature-settings: "tnum" 1, "lnum" 1, "kern" 1;
  color: rgba(31,40,42,.48);
  text-align: center;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.section { padding-block: var(--section-y); position: relative; scroll-margin-top: 86px; }

/* Section eyebrow: 01 — Label */
.eyebrow {
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--deep-teal);
  margin: 0 0 28px;
}
.eyebrow .num {
  font-size: 1rem;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  position: relative;
  padding-right: 14px;
}
.eyebrow .num::after {
  content: "";
  position: absolute;
  right: 0; top: 50%;
  width: 1px; height: 14px;
  background: currentColor;
  opacity: 0.4;
  transform: translateY(-50%);
}

.section-title {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: 2.6rem;
  line-height: 1.34;
  letter-spacing: 0;
  margin: 0 0 0.7em;
  color: var(--ink);
  text-wrap: balance;
}

.lead {
  font-size: 1.04rem;
  color: var(--ink-soft);
  max-width: 56ch;
  line-height: 2.05;
}

/* ===================================================
   Navigation
   =================================================== */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--gutter);
  transition: background 0.45s var(--ease), box-shadow 0.45s var(--ease), padding 0.45s var(--ease);
}
.nav.scrolled {
  background: rgba(255, 253, 248, 0.72);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  box-shadow: 0 1px 0 rgba(31,40,42,.075);
  padding-block: 12px;
}
.nav__logo { height: 32px; width: auto; transition: height 0.45s var(--ease), opacity .3s var(--ease); }
.nav.scrolled .nav__logo { height: 28px; }

.nav__menu {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 34px);
  font-size: 0.86rem;
  letter-spacing: 0;
}
.nav__menu a {
  color: var(--ink-soft);
  position: relative;
  padding-block: 6px;
  transition: color 0.34s var(--ease), opacity 0.34s var(--ease);
}
.nav__menu a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--deep-teal);
  transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease);
}
.nav__menu a:hover { color: var(--ink); }
.nav__menu a:hover::after { transform: scaleX(1); }
.nav__menu a.is-active:not(.nav__cta) { color: var(--ink); }
.nav__menu a.is-active:not(.nav__cta)::after {
  transform: scaleX(.34);
  opacity: .52;
}
.nav__story {
  color: rgba(17,20,22,.78) !important;
  font-weight: 600;
}
.nav__story::after {
  transform-origin: center !important;
}

.nav__cta {
  --glass-x: 50%;
  --glass-y: 48%;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
  overflow: visible;
  border: 0;
  border-radius: 0;
  padding: 6px 0 !important;
  color: var(--deep-teal) !important;
  background: transparent;
  box-shadow: none;
  transform: translate3d(0,0,0);
  transition: color .34s var(--ease), filter .34s var(--ease), transform .34s var(--ease);
}
.nav__cta::before {
  content: "";
  position: absolute;
  z-index: 0;
  left: -12px;
  right: -12px;
  top: 50%;
  height: 2.2em;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 999px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.46), rgba(255,255,255,.13) 48%, rgba(7,155,152,.055) 72%, rgba(203,163,74,.1)),
    radial-gradient(90% 120% at var(--glass-x, 50%) var(--glass-y, 48%), rgba(255,255,255,.54), transparent 52%);
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,.58),
    inset 0 -8px 18px rgba(255,255,255,.1),
    0 12px 28px rgba(20,28,30,.06);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%) scaleX(.24);
  transform-origin: center center;
  transition: opacity .34s var(--ease), transform .46s var(--ease), border-color .34s var(--ease);
  backdrop-filter: blur(16px) saturate(155%);
  -webkit-backdrop-filter: blur(16px) saturate(155%);
}
.nav__menu .nav__cta::after {
  content: "";
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(0,106,112,.04), rgba(0,106,112,.5), rgba(203,163,74,.5), rgba(0,106,112,.04));
  opacity: .56;
  transform: scaleX(.32);
  transform-origin: center center;
  transition: transform .46s var(--ease), opacity .34s var(--ease);
  pointer-events: none;
}
.nav__cta:hover,
.nav__cta:focus-visible,
.nav__cta.is-liquid-active {
  color: var(--ink) !important;
  filter: saturate(1.06);
  transform: translateY(-1px);
}
.nav__cta:hover::before,
.nav__cta:focus-visible::before,
.nav__cta.is-liquid-active::before {
  opacity: .68;
  transform: translateY(-50%) scaleX(1);
}
.nav__menu .nav__cta:hover::after,
.nav__menu .nav__cta:focus-visible::after,
.nav__menu .nav__cta.is-liquid-active::after {
  opacity: .95;
  transform: scaleX(1);
}
.nav__cta:focus-visible {
  outline: 0;
}

.nav__toggle { display: none; }

/* ===================================================
   Hero
   =================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(80% 65% at 86% 30%, rgba(7,155,152,.10), transparent 64%),
    radial-gradient(55% 42% at 14% 78%, rgba(203,163,74,.07), transparent 68%),
    linear-gradient(180deg, rgba(255,255,255,.86) 0%, rgba(250,249,245,.96) 100%),
    url("assets/luxury-paper-texture.jpg"),
    var(--paper);
  background-size: auto, auto, auto, 1040px auto, auto;
}
/* 都市グリッド背景 */
.hero__grid {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(90deg, rgba(31,40,42,.038) 1px, transparent 1px),
    linear-gradient(0deg, rgba(31,40,42,.032) 1px, transparent 1px);
  background-size: clamp(48px, 6vw, 88px) clamp(48px, 6vw, 88px);
  -webkit-mask-image: radial-gradient(120% 100% at 70% 30%, #000 35%, transparent 78%);
          mask-image: radial-gradient(120% 100% at 70% 30%, #000 35%, transparent 78%);
}
.hero__glow {
  position: absolute; z-index: 0;
  width: 52vw; height: 100%;
  right: 0; top: 0;
  background: linear-gradient(110deg, transparent 0%, rgba(255,255,255,.58) 38%, rgba(7,155,152,.07) 100%);
  filter: blur(24px);
  pointer-events: none;
}
.hero__signals {
  position: absolute;
  z-index: 1;
  right: clamp(26px, 9vw, 152px);
  top: clamp(126px, 22vh, 210px);
  width: min(38vw, 520px);
  aspect-ratio: 1.18;
  pointer-events: none;
  opacity: .78;
  transform: translate3d(calc(var(--hero-drift-x, 0) * -.34), calc(var(--hero-drift-y, 0) * -.28), 0);
  transition: transform 1.1s var(--ease);
}
.signal-node,
.signal-line {
  position: absolute;
  display: block;
}
.signal-node {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(255,255,255,.96), rgba(203,163,74,.74) 36%, rgba(0,106,112,.7) 100%);
  box-shadow:
    0 0 0 1px rgba(255,255,255,.62),
    0 0 22px rgba(7,155,152,.18),
    0 0 34px rgba(203,163,74,.12);
  animation: signal-pulse 5.8s ease-in-out infinite;
}
.signal-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,106,112,.32), rgba(203,163,74,.26), transparent);
  transform-origin: left center;
  animation: signal-flow 6.4s ease-in-out infinite;
}
.signal-node.hn1 { left: 18%; top: 22%; animation-delay: .1s; }
.signal-node.hn2 { left: 68%; top: 14%; animation-delay: .8s; }
.signal-node.hn3 { left: 76%; top: 66%; animation-delay: 1.4s; }
.signal-node.hn4 { left: 34%; top: 78%; animation-delay: 2s; }
.signal-line.hl1 { left: 20%; top: 24%; width: 52%; rotate: -9deg; animation-delay: .2s; }
.signal-line.hl2 { left: 70%; top: 18%; width: 48%; rotate: 101deg; animation-delay: 1.1s; }
.signal-line.hl3 { left: 36%; top: 78%; width: 48%; rotate: -16deg; animation-delay: 1.8s; }
@keyframes signal-pulse {
  0%, 100% { opacity: .3; transform: scale(.72); }
  44% { opacity: .92; transform: scale(1); }
}
@keyframes signal-flow {
  0%, 100% { opacity: .16; transform: scaleX(.42); }
  48% { opacity: .82; transform: scaleX(1); }
}
/* シンボルマーク（素材活用：ヒーローのキービジュアル） */
.hero__symbol {
  position: absolute; z-index: 1;
  right: clamp(-56px, -2vw, 18px); top: 15%;
  width: min(520px, 52vw); height: auto;
  opacity: .062; pointer-events: none;
  transform: translate3d(var(--hero-drift-x, 0), var(--hero-drift-y, 0), 0);
  transition: transform 1.1s var(--ease);
  animation: symbol-float 11s ease-in-out infinite;
}
@keyframes symbol-float {
  0%,100% { translate: 0 0; }
  50% { translate: 0 -14px; }
}
/* 濃色セクションのシンボル・ウォーターマーク（素材活用） */
.brand-watermark { position: absolute; z-index: 0; pointer-events: none; height: auto; }
.brand-watermark--int { width: min(440px, 58vw); right: -7%; bottom: -14%; opacity: .07; }
.brand-watermark--contact { width: min(420px, 56vw); left: -8%; top: -12%; opacity: .06; }
/* 宝＝ゴールドの星 */
.star {
  position: absolute; z-index: 1;
  background: #D8B45A;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  opacity: 0;
  filter: drop-shadow(0 4px 14px rgba(203,163,74,.16));
  animation: star-in .9s var(--ease) forwards, twinkle 6.8s ease-in-out infinite;
}
.star.s1 { width: 18px; height: 18px; right: 18%; top: 24%; animation-delay: .8s, 1.8s; }
.star.s2 { width: 10px; height: 10px; right: 40%; top: 16%; animation-delay: 1.1s, 2.4s; }
.star.s3 { width: 8px; height: 8px; right: 12%; top: 52%; animation-delay: 1.4s, 3.1s; }
.star.s4 { width: 12px; height: 12px; left: 8%; bottom: 10.5%; animation-delay: 1.0s, 2.0s; }

@keyframes star-in { to { opacity: .72; } }
@keyframes twinkle {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: .95; }
  50% { transform: scale(.72) rotate(8deg); opacity: .55; }
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  display: grid;
  justify-items: start;
}

.hero__label {
  order: 3;
  display: grid;
  gap: 10px;
  color: rgba(0,106,112,.86);
  margin: clamp(46px, 4.7vw, 76px) 0 0;
  opacity: 0; transform: translateY(16px);
  animation: rise .9s var(--ease) 1.08s forwards;
}
.hero__kicker {
  order: 4;
  margin: 12px 0 0;
  font-family: var(--gothic);
  font-size: clamp(.74rem, .9vw, .86rem);
  font-weight: 500;
  line-height: 1.5;
  color: rgba(31,40,42,.42);
  opacity: 0;
  transform: translateY(16px);
  animation: rise .9s var(--ease) 1.18s forwards;
}
.hero__legal {
  display: inline-flex;
  align-items: baseline;
  gap: 16px;
  line-height: 1.25;
  letter-spacing: 0;
}
.hero__company-ja {
  font-family: var(--mincho);
  font-size: clamp(1.02rem, 1.15vw, 1.18rem);
  font-weight: 600;
  color: rgba(0,106,112,.92);
}
.hero__company-en {
  position: relative;
  font-family: var(--serif);
  font-size: clamp(1.02rem, 1.15vw, 1.18rem);
  font-weight: 600;
  color: rgba(31,40,42,.60);
}
.hero__company-en::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 1px;
  margin: 0 14px 0 0;
  vertical-align: middle;
  background: currentColor;
  opacity: .24;
}
.hero__brand {
  font-family: var(--serif);
  font-size: clamp(.98rem, 1.1vw, 1.14rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0;
  text-transform: none;
  position: relative;
  color: rgba(31,40,42,.48);
}
.hero__brand::before {
  content: none;
}
.hero__title {
  order: 1;
  font-family: var(--mincho);
  font-weight: 600;
  font-size: 5.8rem;
  line-height: 1.02;
  letter-spacing: 0;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
  text-shadow: 0 1px 0 rgba(255,255,255,.52);
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span {
  display: block;
  transform: translateY(110%);
  animation: reveal-up 1.1s var(--ease) forwards;
}
.hero__title .line:nth-child(1) > span { animation-delay: .35s; }
.hero__title .line:nth-child(2) > span { animation-delay: .52s; }
.hero__title .accent { color: var(--gold); }

.hero__statement {
  order: 2;
  margin: clamp(40px, 4vw, 64px) 0 0;
  max-width: 42ch;
  font-size: 1.07rem;
  line-height: 2.12;
  color: var(--ink-soft);
  opacity: 0; transform: translateY(16px);
  animation: rise 1s var(--ease) .95s forwards;
}

.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 58px;
  padding: 15px 32px;
  border: 1px solid rgba(31,40,42,.16);
  border-radius: 999px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.72), rgba(255,255,255,.34) 42%, rgba(7,155,152,.045) 68%, rgba(203,163,74,.07)),
    rgba(255,255,255,.42);
  color: var(--ink);
  font-size: 0.95rem; font-weight: 500; letter-spacing: 0;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.76),
    inset 0 -10px 24px rgba(255,255,255,.26),
    0 16px 42px rgba(31,40,42,.09);
  backdrop-filter: blur(22px) saturate(155%);
  -webkit-backdrop-filter: blur(22px) saturate(155%);
  overflow: hidden;
  isolation: isolate;
  transform: translateZ(0);
  transition: transform .34s var(--ease), box-shadow .34s var(--ease), border-color .34s var(--ease), background .34s var(--ease), color .34s var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background:
    linear-gradient(180deg, rgba(255,255,255,.42), rgba(255,255,255,0) 44%),
    radial-gradient(120% 130% at 74% 0%, rgba(203,163,74,.12), transparent 58%);
  opacity: .7;
  pointer-events: none;
}
.btn::after {
  content: "";
  position: absolute;
  inset: -42% -18%;
  z-index: 0;
  border-radius: inherit;
  background: linear-gradient(112deg, transparent 24%, rgba(255,255,255,.42) 40%, transparent 56%);
  opacity: .28;
  transform: translateX(-44%) skewX(-10deg);
  transition: transform .8s var(--ease), opacity .34s var(--ease);
  pointer-events: none;
}
.btn:hover {
  transform: translateY(-3px);
  border-color: rgba(31,40,42,.22);
  background:
    linear-gradient(145deg, rgba(255,255,255,.82), rgba(255,255,255,.42) 42%, rgba(7,155,152,.055) 68%, rgba(203,163,74,.09)),
    rgba(255,255,255,.5);
  color: var(--ink);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.82),
    inset 0 -10px 24px rgba(255,255,255,.3),
    0 20px 48px rgba(31,40,42,.12);
}
.btn:hover::after {
  opacity: .48;
  transform: translateX(38%) skewX(-10deg);
}

.liquid-link {
  --glass-x: 50%;
  --glass-y: 48%;
  --link-ink: var(--ink);
  --link-line: rgba(0,106,112,.52);
  --link-accent: rgba(203,163,74,.52);
  position: relative;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 8px 2px 10px;
  color: var(--link-ink);
  font-size: .98rem;
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;
  isolation: isolate;
  transform: translate3d(0,0,0);
  transition: color .34s var(--ease), filter .34s var(--ease), transform .34s var(--ease);
}
.liquid-link > span {
  position: relative;
  z-index: 2;
}
.liquid-link::before {
  content: "";
  position: absolute;
  z-index: 0;
  left: -14px;
  right: -14px;
  top: 50%;
  height: 2.55em;
  border: 1px solid rgba(255,255,255,.46);
  border-radius: 999px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.58), rgba(255,255,255,.17) 46%, rgba(7,155,152,.06) 72%, rgba(203,163,74,.11)),
    radial-gradient(90% 120% at var(--glass-x, 22%) var(--glass-y, 8%), rgba(255,255,255,.64), transparent 52%);
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,.7),
    inset 0 -10px 22px rgba(255,255,255,.13),
    0 16px 36px rgba(20,28,30,.08);
  opacity: .16;
  pointer-events: none;
  transform: translateY(-50%) scaleX(.18);
  transform-origin: center center;
  transition: opacity .34s var(--ease), transform .52s var(--ease), border-color .34s var(--ease);
  backdrop-filter: blur(20px) saturate(170%);
  -webkit-backdrop-filter: blur(20px) saturate(170%);
}
.liquid-link::after {
  content: "";
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(0,106,112,.03), var(--link-line), var(--link-accent), rgba(0,106,112,.03));
  opacity: .5;
  transform: scaleX(.24);
  transform-origin: center center;
  transition: opacity .34s var(--ease), transform .52s var(--ease);
}
.liquid-link:hover,
.liquid-link:focus-visible,
.liquid-link.is-liquid-active {
  color: var(--link-ink);
  filter: saturate(1.06);
  transform: translateY(-2px);
}
.liquid-link:hover::before,
.liquid-link:focus-visible::before,
.liquid-link.is-liquid-active::before {
  opacity: .9;
  transform: translateY(-50%) scaleX(1);
}
.liquid-link:hover::after,
.liquid-link:focus-visible::after,
.liquid-link.is-liquid-active::after {
  opacity: .96;
  transform: scaleX(1);
}
.liquid-link:focus-visible {
  outline: 0;
}
.liquid-link:focus-visible::before {
  border-color: rgba(203,163,74,.44);
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,.72),
    inset 0 -10px 22px rgba(255,255,255,.14),
    0 0 0 2px rgba(203,163,74,.24),
    0 16px 36px rgba(20,28,30,.09);
}
.liquid-link--emphasis {
  font-size: clamp(1.04rem, 1.18vw, 1.12rem);
  font-weight: 700;
}
.liquid-link--emphasis > span {
  background: linear-gradient(108deg, var(--deep-teal), var(--bright-teal) 46%, var(--gold) 78%, var(--deep-teal));
  background-size: 180% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 12px 28px rgba(0,106,112,.08);
  transition: background-position .72s var(--ease), filter .34s var(--ease);
}
.liquid-link--emphasis::before {
  opacity: .22;
  transform: translateY(-50%) scaleX(.24);
}
.liquid-link--emphasis::after {
  opacity: .64;
  transform: scaleX(.34);
}
.liquid-link--emphasis:hover > span,
.liquid-link--emphasis:focus-visible > span,
.liquid-link--emphasis.is-liquid-active > span {
  background-position: 100% 50%;
  filter: saturate(1.12);
}

.hero__scroll {
  position: absolute; left: var(--gutter); bottom: 30px; z-index: 2;
  font-family: var(--serif); font-size: 0.78rem; letter-spacing: 0;
  text-transform: uppercase; color: var(--ink-faint);
  display: flex; align-items: center; gap: 12px;
  opacity: 0; animation: rise 1s var(--ease) 1.4s forwards;
}
.hero__scroll::before { content: ""; width: 46px; height: 1px; background: var(--ink-faint); display: inline-block; animation: scrollline 2.4s ease-in-out infinite; transform-origin: left; }
@keyframes scrollline { 0%,100% { transform: scaleX(.4); opacity:.5;} 50%{transform: scaleX(1); opacity:1;} }

@keyframes reveal-up { to { transform: translateY(0); } }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }

/* ===================================================
   Interlude（思想の一節）
   =================================================== */
.interlude {
  position: relative;
  background:
    linear-gradient(135deg, rgba(0,106,112,.14), rgba(17,20,22,.92) 46%, rgba(31,40,42,.98)),
    url("assets/luxury-dark-texture.jpg"),
    var(--charcoal);
  background-size: auto, 780px auto, auto;
  color: var(--paper);
  text-align: center;
  padding-block: clamp(96px, 14vw, 210px);
  overflow: hidden;
}
.interlude__grid {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(90deg, rgba(248,246,240,.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(248,246,240,.045) 1px, transparent 1px);
  background-size: clamp(48px, 6vw, 88px) clamp(48px, 6vw, 88px);
  -webkit-mask-image: radial-gradient(80% 90% at 50% 50%, #000 10%, transparent 72%);
          mask-image: radial-gradient(80% 90% at 50% 50%, #000 10%, transparent 72%);
}
.interlude .star.s-int {
  position: absolute; z-index: 1;
  width: 22px; height: 22px; right: 16%; top: 22%;
  animation-delay: .2s, 1.6s;
}
.interlude__quote {
  position: relative; z-index: 2;
  font-family: var(--mincho); font-weight: 500;
  font-size: 3.15rem;
  line-height: 1.6; letter-spacing: 0;
  margin: 0 auto; max-width: 24ch;
  text-wrap: balance;
}
.interlude__quote span { display: block; }
.interlude__quote em { font-style: normal; color: var(--gold); }

/* ===================================================
   Scroll reveal (汎用)
   =================================================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal[data-delay="4"] { transition-delay: .4s; }

/* ===================================================
   Philosophy
   =================================================== */
.philosophy { background: linear-gradient(180deg, rgba(255,253,248,.80), rgba(250,249,245,.94)); }
.philosophy__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(36px, 6vw, 96px);
  align-items: start;
}
.philosophy__big {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: 2.35rem;
  line-height: 1.55;
  letter-spacing: 0;
  margin: 0;
  text-wrap: balance;
}
.philosophy__line {
  display: block;
  white-space: nowrap;
}
.philosophy__line--mobile { display: none; }
.philosophy__big .mark { color: var(--deep-teal); }
.philosophy__big .gold { color: var(--gold); }
.philosophy__body p { margin: 0 0 1.5em; color: var(--ink-soft); }
.philosophy__body p:last-child { margin-bottom: 0; }

/* keyword chips */
.keywords { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.keywords span {
  font-size: 0.82rem; letter-spacing: 0;
  padding: 7px 16px; border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-soft); background: var(--white);
}

/* ===================================================
   What we do — ヒト・モノ・コト
   =================================================== */
.work { background:
    linear-gradient(180deg, rgba(250,249,245,.98), rgba(246,247,243,.96)),
    url("assets/luxury-paper-texture.jpg");
  background-size: auto, 840px auto;
}
.work__head { max-width: 60ch; margin-bottom: clamp(48px, 6vw, 84px); }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px, 1.6vw, 20px); }
.card {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(31, 40, 42, 0.08);
  border-radius: 8px;
  padding: clamp(26px, 2.6vw, 40px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(255,255,255,.8) inset, 0 16px 56px rgba(20,28,30,.045);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .5s, background .5s var(--ease);
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--deep-teal), rgba(203,163,74,.86));
  transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease);
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); border-color: rgba(31,40,42,.12); background: rgba(255,255,255,.88); }
.card:hover::before { transform: scaleX(1); }
.card__kanji {
  font-family: var(--mincho); font-weight: 600;
  font-size: 3.1rem; line-height: 1;
  color: var(--charcoal); margin-bottom: 18px;
}
.card__kanji small { display:block; font-family: var(--serif); font-size: .9rem; letter-spacing: 0; color: var(--gold); margin-top: 12px; text-transform: uppercase; }
.card__title { font-family: var(--mincho); font-weight: 500; font-size: 1.22rem; margin: 0 0 12px; }
.card__text { font-size: 0.95rem; color: var(--ink-soft); line-height: 1.95; margin: 0; }

/* ===================================================
   Network — global tech signal × quiet authority
   =================================================== */
.network {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  background:
    radial-gradient(52% 58% at 76% 32%, rgba(7,155,152,.22), transparent 68%),
    radial-gradient(42% 40% at 18% 78%, rgba(203,163,74,.14), transparent 72%),
    linear-gradient(135deg, rgba(0,106,112,.16), rgba(17,20,22,.95) 44%, rgba(15,19,21,.99)),
    url("assets/luxury-dark-texture.jpg"),
    var(--charcoal);
  background-size: auto, auto, auto, 820px auto, auto;
}
.network__mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(248,246,240,.065) 1px, transparent 1px),
    linear-gradient(0deg, rgba(248,246,240,.04) 1px, transparent 1px),
    radial-gradient(circle at 72% 35%, rgba(203,163,74,.16) 0 1px, transparent 2px);
  background-size:
    clamp(52px, 6vw, 92px) clamp(52px, 6vw, 92px),
    clamp(52px, 6vw, 92px) clamp(52px, 6vw, 92px),
    38px 38px;
  -webkit-mask-image: radial-gradient(90% 76% at 58% 42%, #000 12%, transparent 78%);
          mask-image: radial-gradient(90% 76% at 58% 42%, #000 12%, transparent 78%);
  opacity: .82;
}
.network .wrap {
  position: relative;
  z-index: 1;
}
.network .eyebrow {
  color: var(--bright-teal);
}
.network__grid {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(360px, .8fr);
  gap: clamp(42px, 7vw, 116px);
  align-items: center;
}
.network__copy {
  max-width: 680px;
}
.network__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(3.2rem, 8vw, 7.6rem);
  line-height: .92;
  letter-spacing: 0;
  color: var(--white);
  margin: 0 0 .34em;
  text-wrap: balance;
}
.network__title span {
  display: block;
  margin-top: .42em;
  font-family: var(--mincho);
  font-size: clamp(1.6rem, 2.7vw, 2.65rem);
  line-height: 1.48;
  color: rgba(250,249,245,.9);
}
.network__lead {
  color: rgba(245,246,244,.72);
  font-size: 1rem;
  line-height: 2.05;
  max-width: 58ch;
  margin: 0;
}
.network__visual {
  position: relative;
  min-height: clamp(360px, 42vw, 540px);
  border-radius: 8px;
  background: rgba(250,249,245,.035);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,.22),
    inset 0 -24px 48px rgba(255,255,255,.035),
    0 32px 90px rgba(0,0,0,.24);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  overflow: hidden;
  isolation: isolate;
}
.network__art {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.92) contrast(1.05) brightness(.86);
  transform: scale(1.03);
  animation: network-art-drift 18s ease-in-out infinite;
  will-change: transform;
}
.network__visual::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(6,10,11,.10), rgba(6,10,11,.02) 45%, rgba(6,10,11,.38)),
    radial-gradient(78% 72% at 68% 44%, transparent 34%, rgba(0,0,0,.22) 100%),
    linear-gradient(105deg, rgba(255,255,255,.14), transparent 28%, rgba(7,155,152,.08) 72%, rgba(203,163,74,.12));
  mix-blend-mode: normal;
}
.network__visual::after {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 1px;
  border-radius: inherit;
  pointer-events: none;
  background:
    linear-gradient(112deg, transparent 12%, rgba(255,255,255,.15) 35%, transparent 56%),
    radial-gradient(120% 80% at 50% 0%, rgba(255,255,255,.18), transparent 46%);
  opacity: .58;
}
.network__flow {
  --flow-angle: 0deg;
  --flow-speed: 6.6s;
  --flow-stream-speed: 3.4s;
  --flow-shift-start: -10px;
  --flow-shift-mid: 8px;
  --flow-shift-end: 3px;
  --flow-scale-start: .7;
  --flow-scale-mid: 1;
  --flow-scale-end: .86;
  position: absolute;
  z-index: 3;
  display: block;
  height: 1px;
  pointer-events: none;
  opacity: .46;
  transform-origin: right center;
  background:
    linear-gradient(90deg, transparent, rgba(255,255,255,.08) 20%, rgba(255,255,255,.42) 52%, rgba(203,163,74,.34) 64%, transparent),
    repeating-linear-gradient(90deg, transparent 0 42px, rgba(255,255,255,.22) 52px, rgba(203,163,74,.2) 58px, transparent 72px);
  background-size: 100% 100%, 230px 100%;
  background-position: 0 0, -230px 0;
  box-shadow: 0 0 18px rgba(255,255,255,.16), 0 0 30px rgba(203,163,74,.08);
  mix-blend-mode: screen;
  overflow: visible;
  will-change: transform, opacity, background-position;
  transform: rotate(var(--flow-angle)) translate3d(var(--flow-shift-start), 0, 0) scaleX(var(--flow-scale-start));
  animation:
    network-flow-breathe var(--flow-speed) ease-in-out infinite,
    network-flow-stream var(--flow-stream-speed) linear infinite;
}
.network__flow::before {
  content: "";
  position: absolute;
  inset: -11px 0;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(circle, rgba(255,255,255,.96) 0 2px, rgba(203,163,74,.62) 3px, rgba(255,255,255,.16) 7px, transparent 11px) no-repeat;
  background-size: 30px 30px;
  background-position: -16% 50%;
  mix-blend-mode: screen;
  will-change: background-position, opacity;
  animation: network-flow-spark var(--flow-speed) cubic-bezier(.28, 0, .2, 1) infinite;
}
.network__flow::after {
  content: "";
  position: absolute;
  inset: -2px 0;
  width: 48%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.34) 24%, rgba(255,255,255,.9) 48%, rgba(203,163,74,.72) 62%, transparent);
  transform: translateX(-118%) scaleX(.38);
  opacity: 0;
  will-change: transform, opacity;
  animation: network-flow-run var(--flow-speed) cubic-bezier(.28, 0, .2, 1) infinite;
}
.network__flow--a {
  left: 6%;
  top: 47%;
  width: 69%;
  --flow-angle: 3deg;
  --flow-speed: 5.8s;
  --flow-stream-speed: 2.9s;
  --flow-shift-start: -18px;
  --flow-shift-mid: 15px;
  --flow-shift-end: 5px;
  --flow-scale-start: .76;
  --flow-scale-mid: 1.06;
  --flow-scale-end: .9;
}
.network__flow--b {
  left: 18%;
  top: 30%;
  width: 58%;
  --flow-angle: 17deg;
  --flow-speed: 6.6s;
  --flow-stream-speed: 3.4s;
  --flow-shift-start: -12px;
  --flow-shift-mid: 12px;
  --flow-shift-end: 2px;
  --flow-scale-start: .62;
  --flow-scale-mid: .92;
  --flow-scale-end: .7;
  opacity: .36;
  animation-delay: 1.7s;
}
.network__flow--b::before,
.network__flow--b::after { animation-delay: 1.7s; }
.network__flow--c {
  left: 16%;
  top: 70%;
  width: 61%;
  --flow-angle: -18deg;
  --flow-speed: 7.2s;
  --flow-stream-speed: 3.8s;
  --flow-shift-start: -14px;
  --flow-shift-mid: 13px;
  --flow-shift-end: 4px;
  --flow-scale-start: .58;
  --flow-scale-mid: .9;
  --flow-scale-end: .68;
  opacity: .34;
  animation-delay: 3.2s;
}
.network__flow--c::before,
.network__flow--c::after { animation-delay: 3.2s; }
.network__glint {
  position: absolute;
  z-index: 3;
  left: 74%;
  top: 47%;
  width: clamp(92px, 12vw, 150px);
  aspect-ratio: 1;
  border-radius: 50%;
  pointer-events: none;
  opacity: .42;
  transform: translate(-50%, -50%) scale(.82);
  background:
    radial-gradient(circle, rgba(255,255,255,.55) 0 1px, transparent 2px),
    radial-gradient(circle, rgba(255,255,255,.18), transparent 58%),
    radial-gradient(circle, rgba(203,163,74,.12), transparent 72%);
  mix-blend-mode: screen;
  will-change: transform, opacity;
  animation: network-glint 6.6s ease-in-out infinite;
}
.network__art-logo {
  position: absolute;
  z-index: 4;
  left: 74%;
  top: 47%;
  width: clamp(54px, 7vw, 86px);
  height: auto;
  opacity: .82;
  transform: translate(-50%, -50%);
  filter:
    drop-shadow(0 0 14px rgba(255,255,255,.28))
    drop-shadow(0 0 30px rgba(203,163,74,.22))
    drop-shadow(0 18px 36px rgba(0,0,0,.34));
  mix-blend-mode: screen;
  animation: network-logo-breathe 7.5s ease-in-out infinite;
}
@keyframes network-art-drift {
  0%, 100% { transform: scale(1.03) translate3d(0,0,0); }
  50% { transform: scale(1.07) translate3d(-1.8%, -1.2%, 0); }
}
@keyframes network-logo-breathe {
  0%, 100% { opacity: .72; transform: translate(-50%, -50%) scale(.96); }
  50% { opacity: .92; transform: translate(-50%, -50%) scale(1.02); }
}
@keyframes network-flow-breathe {
  0%, 100% {
    opacity: .2;
    transform: rotate(var(--flow-angle)) translate3d(var(--flow-shift-start), 0, 0) scaleX(var(--flow-scale-start));
  }
  42% {
    opacity: .68;
    transform: rotate(var(--flow-angle)) translate3d(var(--flow-shift-mid), 0, 0) scaleX(var(--flow-scale-mid));
  }
  70% {
    opacity: .36;
    transform: rotate(var(--flow-angle)) translate3d(var(--flow-shift-end), 0, 0) scaleX(var(--flow-scale-end));
  }
}
@keyframes network-flow-run {
  0%, 10% { opacity: 0; transform: translateX(-122%) scaleX(.38); }
  34% { opacity: .98; transform: translateX(82%) scaleX(1.08); }
  58%, 100% { opacity: 0; transform: translateX(232%) scaleX(.42); }
}
@keyframes network-flow-spark {
  0%, 10% { opacity: 0; background-position: -20% 50%; }
  24% { opacity: .74; }
  38% { opacity: .98; background-position: 78% 50%; }
  58%, 100% { opacity: 0; background-position: 122% 50%; }
}
@keyframes network-flow-stream {
  0% { background-position: 0 0, -230px 0; }
  100% { background-position: 0 0, 230px 0; }
}
@keyframes network-glint {
  0%, 100% { opacity: .28; transform: translate(-50%, -50%) scale(.76); }
  48% { opacity: .62; transform: translate(-50%, -50%) scale(1.04); }
}

/* ===================================================
   Track record — 歩み（タイムライン / 濃色）
   =================================================== */
.record {
  background:
    linear-gradient(130deg, rgba(0,106,112,.16), rgba(17,20,22,.94) 44%, rgba(31,40,42,.98)),
    url("assets/luxury-dark-texture.jpg"),
    var(--charcoal);
  background-size: auto, 820px auto, auto;
  color: var(--paper);
}
.record .eyebrow { color: var(--bright-teal); }
.record .section-title { color: var(--white); }
.record__intro { color: rgba(245,246,244,.74); max-width: 56ch; margin-bottom: clamp(48px, 6vw, 80px); }

.timeline { position: relative; display: grid; gap: 0; }
.timeline::before {
  content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 1px;
  background: linear-gradient(180deg, var(--bright-teal), rgba(18,183,179,.05));
}
.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 130px minmax(0,1fr);
  gap: clamp(20px, 4vw, 56px);
  padding: clamp(22px, 3vw, 34px) 0 clamp(22px, 3vw, 34px) 34px;
  border-bottom: 1px solid var(--line-dark);
}
.tl-item:last-child { border-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -5px; top: clamp(30px, 3.6vw, 44px);
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 0 4px rgba(247,194,15,.18);
}
.tl-year { font-family: var(--serif); font-size: 1.35rem; color: var(--gold); font-variant-numeric: tabular-nums; }
.tl-body h3 { font-family: var(--mincho); font-weight: 500; font-size: 1.34rem; margin: 0 0 8px; color: var(--white); letter-spacing: 0; }
.tl-body p { margin: 0; color: rgba(245,246,244,.72); font-size: 0.96rem; line-height: 1.9; }

/* ===================================================
   Founder
   =================================================== */
.founder {
  background:
    linear-gradient(180deg, rgba(246,247,243,.90), rgba(250,249,245,.98)),
    url("assets/luxury-paper-texture.jpg");
  background-size: auto, 860px auto;
}
.founder__grid { display: grid; grid-template-columns: minmax(0, 320px) minmax(0,1fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.founder__intro { display: grid; grid-template-columns: minmax(0,300px) minmax(0,1fr); gap: clamp(32px,5vw,80px); align-items: start; }
.founder__id { padding-top: 4px; }
.founder__name-jp { font-family: var(--mincho); font-weight: 500; font-size: 3rem; line-height: 1.16; letter-spacing: 0; margin: 0; color: var(--ink); }
.founder__name-en { font-family: var(--serif); font-size: .94rem; letter-spacing: 0; text-transform: uppercase; color: var(--ink-faint); margin: 1.1em 0 0; }
.founder__id .founder__role { margin: 1.4em 0 0; padding-top: 1.4em; border-top: 1px solid var(--line); color: var(--deep-teal); font-size: .95rem; }
.founder__social {
  --social-glass-x: 18%;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  margin-top: 18px;
  padding: 7px 12px 7px 8px;
  border: 1px solid rgba(255,255,255,.54);
  border-radius: 999px;
  color: var(--deep-teal);
  font-family: var(--serif);
  font-size: .88rem;
  line-height: 1;
  text-decoration: none;
  background:
    linear-gradient(145deg, rgba(255,255,255,.74), rgba(255,255,255,.23) 48%, rgba(7,155,152,.07) 72%, rgba(203,163,74,.08)),
    radial-gradient(90% 140% at var(--social-glass-x) 0%, rgba(255,255,255,.72), transparent 58%);
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,.75),
    0 14px 34px rgba(20,28,30,.06);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  transition: transform .34s var(--ease), color .34s var(--ease), box-shadow .34s var(--ease), border-color .34s var(--ease);
}
.founder__social-icon {
  display: block;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  overflow: hidden;
  background: #1877F2;
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,.24),
    0 7px 16px rgba(24,119,242,.18);
}
.founder__social-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.founder__social:hover,
.founder__social:focus-visible {
  color: var(--ink);
  border-color: rgba(255,255,255,.74);
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,.82),
    0 18px 40px rgba(20,28,30,.09);
  transform: translateY(-2px);
}
.founder__social:focus-visible {
  outline: 0;
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,.82),
    0 0 0 2px rgba(203,163,74,.24),
    0 18px 40px rgba(20,28,30,.09);
}
.founder__message .founder__greeting { font-family: var(--mincho); font-weight: 500; font-size: 1.72rem; line-height: 1.72; letter-spacing: 0; color: var(--ink); margin: 0 0 1em; text-wrap: balance; }
.founder__message p { color: var(--ink-soft); margin: 0 0 1.6em; line-height: 1.95; }
.founder__message .liquid-link { margin-top: 4px; }
.founder__card {
  background: rgba(255,255,255,.72); border: 1px solid var(--line); border-radius: 8px;
  padding: 38px 30px; text-align: center; position: sticky; top: 110px;
  box-shadow: var(--shadow-soft);
}
.founder__symbol { width: 78px; margin: 0 auto 22px; }
.founder__name { font-family: var(--mincho); font-weight: 700; font-size: 1.7rem; margin: 0 0 6px; }
.founder__name small { display: block; font-family: var(--serif); font-size: .82rem; letter-spacing: 0; color: var(--ink-faint); margin-top: 10px; text-transform: uppercase; }
.founder__role { color: var(--deep-teal); font-size: 0.92rem; margin: 0; }
.founder__bio p { margin: 0 0 1.4em; color: var(--ink-soft); }
.founder__bio p:last-child { margin: 0; }
.founder__bio .first { font-family: var(--mincho); font-size: 1.36rem; color: var(--ink); line-height: 1.72; }

/* 現在の主な活動 */
.founder__now { margin-top: 30px; padding-top: 26px; border-top: 1px solid var(--line); }
.founder__now-label { font-family: var(--serif); font-size: .88rem; letter-spacing: 0; text-transform: uppercase; color: var(--deep-teal); margin: 0 0 14px; }
.founder__now ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.founder__now li { position: relative; padding-left: 20px; color: var(--ink); font-size: .98rem; line-height: 1.7; }
.founder__now li::before { content: "—"; position: absolute; left: 0; color: var(--gold); }

/* 要・本人確認 注記 */
.verify-note {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 24px;
  font-size: 0.78rem; letter-spacing: 0;
  color: #9a6b00; background: var(--gold-wash);
  border: 1px dashed rgba(247,194,15,.6);
  padding: 8px 14px; border-radius: 6px;
}
.verify-note::before { content: "i"; font-size: .86rem; font-family: var(--serif); font-weight: 600; }

/* ===================================================
   Contact
   =================================================== */
.contact {
  position: relative; overflow: hidden;
  background:
    linear-gradient(145deg, rgba(0,106,112,.18), rgba(17,20,22,.94) 48%, rgba(31,40,42,.98)),
    url("assets/luxury-dark-texture.jpg"),
    var(--charcoal);
  background-size: auto, 820px auto, auto;
  color: var(--paper); text-align: center;
}
.contact .wrap { position: relative; z-index: 1; }
.contact .eyebrow { color: var(--gold); justify-content: center; display: flex; }
.contact__title { font-family: var(--mincho); font-weight: 500; font-size: 3.45rem; line-height: 1.22; margin: 0 0 .5em; color: var(--white); letter-spacing: 0; text-wrap: balance; }
.contact__lead { color: rgba(245,246,244,.78); max-width: 62ch; margin: 0 auto 30px; }
.contact .liquid-link {
  --link-ink: var(--paper);
  --link-line: rgba(255,255,255,.62);
  --link-accent: rgba(203,163,74,.7);
  font-size: 1.05rem;
}
.contact .liquid-link:hover,
.contact .liquid-link:focus-visible,
.contact .liquid-link.is-liquid-active {
  --link-ink: var(--white);
}
.contact .liquid-link::before {
  border-color: rgba(255,255,255,.16);
  background:
    linear-gradient(145deg, rgba(255,255,255,.23), rgba(255,255,255,.07) 46%, rgba(7,155,152,.08) 72%, rgba(203,163,74,.13)),
    radial-gradient(90% 120% at var(--glass-x, 22%) var(--glass-y, 8%), rgba(255,255,255,.32), transparent 52%);
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,.34),
    inset 0 -10px 22px rgba(255,255,255,.05),
    0 18px 42px rgba(0,0,0,.26);
}
.contact__btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 176px;
  min-height: 60px;
  padding: 16px 34px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.20), rgba(255,255,255,.07) 40%, rgba(7,155,152,.08) 68%, rgba(203,163,74,.12)),
    rgba(250,249,245,.045);
  color: var(--paper);
  font-weight: 500; font-size: 1.03rem;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.32),
    inset 0 -12px 26px rgba(255,255,255,.035),
    0 0 0 1px rgba(203,163,74,.12),
    0 22px 58px rgba(0,0,0,.26);
  backdrop-filter: blur(24px) saturate(165%);
  -webkit-backdrop-filter: blur(24px) saturate(165%);
  overflow: hidden;
  isolation: isolate;
  transform: translateZ(0);
  transition: transform .34s var(--ease), box-shadow .34s var(--ease), border-color .34s var(--ease), background .34s var(--ease);
}
.contact__btn::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background:
    linear-gradient(180deg, rgba(255,255,255,.24), rgba(255,255,255,0) 42%),
    radial-gradient(120% 130% at 74% 0%, rgba(203,163,74,.22), transparent 58%);
  opacity: .72;
  pointer-events: none;
}
.contact__btn::after {
  content: "";
  position: absolute;
  inset: -42% -18%;
  z-index: 0;
  border-radius: inherit;
  background: linear-gradient(112deg, transparent 24%, rgba(255,255,255,.28) 40%, transparent 56%);
  opacity: .34;
  transform: translateX(-42%) skewX(-10deg);
  transition: transform .8s var(--ease), opacity .34s var(--ease);
  pointer-events: none;
}
.contact__btn-label {
  position: relative;
  z-index: 2;
}
.contact__btn:hover {
  transform: translateY(-3px);
  border-color: rgba(255,255,255,.32);
  background:
    linear-gradient(145deg, rgba(255,255,255,.24), rgba(255,255,255,.08) 42%, rgba(7,155,152,.10) 68%, rgba(203,163,74,.16)),
    rgba(250,249,245,.06);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.38),
    inset 0 -12px 26px rgba(255,255,255,.05),
    0 0 0 1px rgba(203,163,74,.18),
    0 28px 72px rgba(0,0,0,.30);
}
.contact__btn:hover::after {
  opacity: .56;
  transform: translateX(38%) skewX(-10deg);
}
.contact__btn:focus-visible {
  outline: 2px solid rgba(231,199,111,.82);
  outline-offset: 5px;
}
.contact__meta { margin: 36px auto 0; max-width: 58ch; font-size: 0.86rem; color: rgba(245,246,244,.6); }
.contact__meta a { color: var(--bright-teal); }

/* Shared liquid glass button treatment */
.btn,
.contact__btn {
  --glass-x: 22%;
  --glass-y: 8%;
  color: var(--ink) !important;
  border-color: var(--liquid-glass-border);
  background: var(--liquid-glass-bg);
  box-shadow: var(--liquid-glass-shadow);
  backdrop-filter: blur(30px) saturate(185%) brightness(1.04);
  -webkit-backdrop-filter: blur(30px) saturate(185%) brightness(1.04);
  transform: translate3d(0,0,0);
  transition: transform .34s var(--ease), box-shadow .34s var(--ease), border-color .34s var(--ease), background .34s var(--ease), color .34s var(--ease);
  will-change: transform;
}

.btn::before,
.contact__btn::before {
  background:
    linear-gradient(180deg, rgba(255,255,255,.58), rgba(255,255,255,0) 45%),
    radial-gradient(90% 120% at var(--glass-x, 22%) var(--glass-y, 8%), rgba(255,255,255,.52), transparent 46%),
    radial-gradient(100% 140% at 82% 86%, rgba(203,163,74,.18), transparent 62%);
  opacity: .86;
}

.btn::after,
.contact__btn::after {
  background: var(--liquid-glass-shine);
  opacity: .26;
  transform: translateX(-46%) skewX(-12deg);
}

.btn:hover,
.btn.is-liquid-active,
.contact__btn:hover,
.contact__btn.is-liquid-active {
  color: var(--ink) !important;
  border-color: rgba(255,255,255,.68);
  background: var(--liquid-glass-bg-hover);
  box-shadow: var(--liquid-glass-shadow-hover);
  transform: translateY(-3px) scale(1.012);
}

.btn:hover::after,
.btn.is-liquid-active::after,
.contact__btn:hover::after,
.contact__btn.is-liquid-active::after {
  opacity: .52;
  transform: translateX(38%) skewX(-12deg);
}

/* ===================================================
   Footer
   =================================================== */
.footer {
  background:
    linear-gradient(180deg, #151A1C, #111517),
    var(--ink);
  color: rgba(245,246,244,.62); padding-block: 56px;
}
.footer__grid { display: flex; flex-wrap: wrap; gap: 28px; align-items: center; justify-content: space-between; }
.footer__logo { height: 30px; opacity: .92; }
.footer__tag { font-family: var(--mincho); color: var(--paper); font-size: 1rem; letter-spacing: 0; }
.footer__small {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: rgba(246,241,230,.58);
  font-family: var(--serif);
  font-size: 0.78rem;
  letter-spacing: 0;
  white-space: nowrap;
}
.footer__small span + span::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 3px;
  margin: 0 10px 2px 0;
  border-radius: 50%;
  background: rgba(203,163,74,.68);
}

/* ===================================================
   Profile page（経歴ページ）
   =================================================== */
.profile-hero {
  padding: clamp(132px, 16vw, 210px) 0 clamp(48px, 7vw, 88px);
  background:
    radial-gradient(80% 55% at 86% 20%, rgba(7,155,152,.08), transparent 66%),
    linear-gradient(180deg, rgba(255,255,255,.86), rgba(250,249,245,.96)),
    url("assets/luxury-paper-texture.jpg"),
    var(--paper);
  background-size: auto, auto, 1040px auto, auto;
  position: relative;
}
.profile-hero__title { font-family: var(--mincho); font-weight: 500; font-size: 3.7rem; line-height: 1.14; margin: .15em 0 0; letter-spacing: 0; }
.profile-hero__title small { display: block; font-family: var(--serif); font-size: .32em; letter-spacing: 0; color: var(--ink-faint); margin-top: .8em; text-transform: uppercase; }
.profile-hero__role { color: var(--deep-teal); font-size: 1rem; margin: 1.2em 0 1.4em; }
.profile-hero__lead { font-family: var(--mincho); font-size: 1.26rem; line-height: 2; color: var(--ink); max-width: 42ch; margin: 0; letter-spacing: 0; }

.now-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; max-width: 760px; }
.now-list li { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start; padding: 20px 0; border-bottom: 1px solid var(--line); }
.now-list li:first-child { border-top: 1px solid var(--line); }
.now-list .now-star { color: var(--gold); font-size: .82rem; padding-top: 3px; }
.now-list strong { font-family: var(--mincho); font-weight: 500; font-size: 1.18rem; color: var(--ink); letter-spacing: 0; }
.now-list span { display: block; color: var(--ink-soft); font-size: .92rem; margin-top: 5px; line-height: 1.8; }

.profile-back { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-soft); }
.profile-back:hover { color: var(--ink); }

/* ===================================================
   Responsive
   =================================================== */
@media (max-width: 960px) {
  .philosophy__grid, .founder__grid, .founder__intro, .network__grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .founder__card { position: static; max-width: 360px; }
  .network__copy { max-width: 100%; }
  .network__visual { min-height: 430px; }
  .section-title { font-size: 2.3rem; }
  .hero__title { font-size: 5.35rem; }
  .interlude__quote { font-size: 2.75rem; }
  .philosophy__big { font-size: 2.08rem; }
  .founder__name-jp { font-size: 2.7rem; }
  .contact__title { font-size: 3rem; }
  .profile-hero__title { font-size: 3.25rem; }
}
@media (max-width: 680px) {
  .nav__menu { display: none; }
  .nav__menu.open {
    display: flex; flex-direction: column; align-items: flex-start;
    position: absolute; top: 100%; right: 0; left: 0;
    background: rgba(251,250,246,.97); backdrop-filter: blur(16px);
    padding: 20px var(--gutter) 28px; gap: 18px;
    box-shadow: 0 12px 24px rgba(47,58,62,.12);
  }
  .nav__toggle {
    display: inline-flex; flex-direction: column; gap: 5px;
    background: none; border: 0; cursor: pointer; padding: 8px;
  }
  .nav__toggle span { width: 24px; height: 2px; background: var(--ink); transition: .3s; }
  .tl-item { grid-template-columns: 1fr; gap: 6px; }
  .hero {
    min-height: 100svh;
    padding-top: max(112px, calc(env(safe-area-inset-top) + 104px));
    padding-bottom: max(104px, calc(env(safe-area-inset-bottom) + 92px));
    align-items: center;
  }
  .hero__inner {
    display: grid;
    align-content: center;
    min-height: calc(100svh - max(112px, calc(env(safe-area-inset-top) + 104px)) - max(104px, calc(env(safe-area-inset-bottom) + 92px)));
    transform: translateY(-1svh);
  }
  .hero__title {
    order: 1;
    font-size: clamp(3.56rem, 15.4vw, 4rem);
    line-height: 1.06;
  }
  .section-title { font-size: 2rem; }
  .lead { font-size: 1rem; }
  .hero__kicker {
    order: 4;
    margin: 10px 0 0;
    max-width: 27ch;
    font-size: .72rem;
    line-height: 1.45;
    color: rgba(31,40,42,.42);
    animation-delay: 1.16s;
  }
  .hero__statement {
    order: 2;
    max-width: 29ch;
    margin-top: clamp(46px, 6.6svh, 64px);
    font-size: .98rem;
    line-height: 2.08;
  }
  .hero__label {
    order: 3;
    gap: 9px;
    margin: clamp(42px, 6.6svh, 64px) 0 0;
    color: rgba(0,106,112,.82);
    animation-delay: 1.08s;
  }
  .hero__legal {
    gap: 12px;
  }
  .hero__company-ja,
  .hero__company-en {
    font-size: .96rem;
  }
  .hero__company-en::before {
    width: 18px;
    margin-right: 10px;
  }
  .hero__brand {
    font-size: .92rem;
  }
  .hero__scroll { display: none; }
  .hero__signals { width: 70vw; right: -14vw; top: 15%; opacity: .28; }
  .hero__symbol { width: min(250px, 58vw); opacity: .068; top: auto; right: -18vw; bottom: 7%; }
  .star.s4 { display: none; }
  .star.s1 { width: 16px; height: 16px; right: 18%; top: 19%; }
  .star.s2 { width: 10px; height: 10px; right: 42%; top: 17%; }
  .star.s3 { width: 8px; height: 8px; right: 12%; top: 42%; }
  .cards { grid-template-columns: 1fr; }
  .network__visual { min-height: 360px; }
  .network__art { object-position: 62% center; }
  .network__art-logo { left: 73%; top: 47%; width: clamp(46px, 13vw, 62px); }
  .network__flow--b { opacity: .24; }
  .network__flow--c { opacity: .22; }
  .network__glint { left: 73%; width: clamp(76px, 24vw, 112px); }
  .interlude {
    padding-block: clamp(112px, 30vw, 152px);
  }
  .interlude__quote {
    font-size: clamp(1.72rem, 7.4vw, 2rem);
    line-height: 1.72;
    letter-spacing: 0;
    max-width: min(100%, 15em);
  }
  .interlude__quote span { white-space: nowrap; }
  .philosophy__big {
    font-size: clamp(1.38rem, 5.8vw, 1.62rem);
    line-height: 1.72;
    max-width: 100%;
  }
  .philosophy__line--desktop { display: none; }
  .philosophy__line--mobile { display: block; }
  .card__kanji { font-size: 2.75rem; }
  .founder__name-jp { font-size: 2.4rem; }
  .founder__message .founder__greeting { font-size: 1.42rem; }
  .contact__title { font-size: 2.28rem; }
  .profile-hero__title { font-size: 2.66rem; }
  .profile-hero__lead { font-size: 1.12rem; }
  .footer__small {
    flex-wrap: wrap;
    row-gap: 4px;
    white-space: normal;
  }
}

@media (min-width: 1120px) {
  .section-title { font-size: 3.05rem; }
  .hero__title { font-size: 7.6rem; }
  .hero__statement { font-size: 1.16rem; }
  .interlude__quote { font-size: 3.75rem; }
  .philosophy__big { font-size: 2.72rem; }
  .founder__name-jp { font-size: 3.35rem; }
  .founder__message .founder__greeting { font-size: 1.94rem; }
  .contact__title { font-size: 3.9rem; }
  .profile-hero__title { font-size: 4.15rem; }
  .profile-hero__lead { font-size: 1.42rem; }
}

@media (min-width: 1440px) {
  .hero__title { font-size: 8.7rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-delay: 0s !important; transition-duration: .001s !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__title .line > span { transform: none; }
  .loader.is-complete .loader__star { transform: translate(-50%, -50%) rotate(0deg) scale(.9); }
}