@charset "utf-8";
/* ============================================================
   BY THE WAY Inc. — style.css
   Concept : 「上空から、届くまで。」
   Palette : 夜間空撮の実景（ナトリウム灯のアンバー × 冷たいバイオレット）
   ============================================================ */

/* ------------------------------------------------------------
   1. TOKENS
   ------------------------------------------------------------ */
:root {
  /* color */
  --c-night:     #05070E;
  --c-night-2:   #080C17;
  --c-panel:     #0D1424;
  --c-panel-2:   #121A2C;
  --c-line:      rgba(201, 212, 232, 0.14);
  --c-line-soft: rgba(201, 212, 232, 0.07);
  --c-text:      #C4CFE4;
  --c-dim:       #76839C;
  --c-white:     #EEF3FF;
  --c-sodium:    #FFC15E;
  --c-sodium-d:  #E8A63B;
  --c-vapor:     #6C7BFF;

  /* type */
  --f-disp: "Barlow Condensed", "Zen Kaku Gothic New", sans-serif;
  --f-jp:   "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  /* layout */
  --pad-x: clamp(22px, 5vw, 80px);
  --maxw: 1320px;
  --hdr-h: 76px;

  /* motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
}

@media (min-width: 1200px) {
  :root { --pad-x: 116px; }
}

/* ------------------------------------------------------------
   2. BASE
   ------------------------------------------------------------ */
body {
  background: var(--c-night);
  color: var(--c-text);
  font-family: var(--f-jp);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.95;
  letter-spacing: 0.04em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.is-loading,
body.is-menu-open { overflow: hidden; }

::selection { background: var(--c-sodium); color: var(--c-night); }

.mono {
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--c-dim);
  text-transform: uppercase;
}

.link {
  border-bottom: 1px solid rgba(255, 193, 94, 0.4);
  transition: color 0.3s, border-color 0.3s;
}
.link:hover { color: var(--c-sodium); border-color: var(--c-sodium); }

.skiplink {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 999;
  padding: 10px 18px;
  background: var(--c-sodium);
  color: var(--c-night);
  font-family: var(--f-mono);
  font-size: 12px;
  transform: translateY(-160%);
  transition: transform 0.3s var(--ease);
}
.skiplink:focus { transform: none; }

/* ------------------------------------------------------------
   3. REVEAL
   ------------------------------------------------------------ */
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 30px, 0);
  transition: opacity 1s var(--ease), transform 1.05s var(--ease);
  will-change: opacity, transform;
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ------------------------------------------------------------
   4. BUTTONS
   ------------------------------------------------------------ */
.btn {
  --btn-fg: var(--c-night);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  height: 56px;
  padding: 0 30px;
  font-family: var(--f-disp);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.12em;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.4s var(--ease);
}
.btn > span,
.btn > svg { position: relative; z-index: 2; }
.btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  transition: transform 0.45s var(--ease);
}
.btn:hover svg { transform: translateX(6px); }

.btn--fill {
  color: var(--c-night);
  background: var(--c-sodium);
}
.btn--fill::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--c-white);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.6s var(--ease);
}
.btn--fill:hover::before { transform: scaleX(1); transform-origin: left center; }

.btn--ghost {
  color: var(--c-white);
  border: 1px solid var(--c-line);
}
.btn--ghost::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(255, 193, 94, 0.1);
  transform: scaleY(0);
  transform-origin: bottom center;
  transition: transform 0.5s var(--ease);
}
.btn--ghost:hover { color: var(--c-sodium); }
.btn--ghost:hover::before { transform: scaleY(1); transform-origin: top center; }

.more {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
  padding-bottom: 8px;
  font-family: var(--f-disp);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-white);
  border-bottom: 1px solid var(--c-line);
  transition: color 0.35s, border-color 0.35s;
}
.more svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  transition: transform 0.45s var(--ease);
}
.more:hover { color: var(--c-sodium); border-color: var(--c-sodium); }
.more:hover svg { transform: translateX(7px); }

/* ------------------------------------------------------------
   5. LOADER
   ------------------------------------------------------------ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: grid;
  place-content: center;
  gap: 26px;
  background: var(--c-night);
  transition: opacity 0.7s var(--ease), visibility 0.7s;
}
.loader__inner {
  display: flex;
  align-items: baseline;
  gap: 22px;
}
.loader__mark {
  font-family: var(--f-disp);
  font-size: clamp(30px, 6vw, 52px);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-white);
}
.loader__num {
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--c-sodium);
  letter-spacing: 0.1em;
}
.loader__bar {
  display: block;
  height: 1px;
  background: var(--c-line);
  overflow: hidden;
}
.loader__bar i {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--c-sodium);
}
body.is-loaded .loader {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* ------------------------------------------------------------
   6. HEADER
   ------------------------------------------------------------ */
.hdr {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 40px;
  width: 100%;
  height: var(--hdr-h);
  padding: 0 var(--pad-x);
  transition: background-color 0.5s var(--ease), backdrop-filter 0.5s, border-color 0.5s;
  border-bottom: 1px solid transparent;
}
.hdr.is-stuck {
  background: rgba(5, 7, 14, 0.72);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom-color: var(--c-line-soft);
}

.hdr__logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-right: auto;
  line-height: 1;
}
.hdr__logo-en {
  font-family: var(--f-disp);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-white);
  transition: color 0.35s;
}
.hdr__logo-jp {
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--c-dim);
}
.hdr__logo:hover .hdr__logo-en { color: var(--c-sodium); }

.hdr__nav ul { display: flex; gap: 34px; }
.hdr__nav a {
  position: relative;
  display: block;
  padding: 6px 0;
  line-height: 1.3;
}
.hdr__nav a span {
  display: block;
  font-family: var(--f-disp);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-white);
  transition: color 0.35s;
}
.hdr__nav a em {
  display: block;
  font-size: 9px;
  font-style: normal;
  letter-spacing: 0.16em;
  color: var(--c-dim);
}
.hdr__nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--c-sodium);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.5s var(--ease);
}
.hdr__nav a:hover span { color: var(--c-sodium); }
.hdr__nav a:hover::after { transform: scaleX(1); transform-origin: left center; }

.hdr__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 42px;
  padding: 0 20px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-night);
  background: var(--c-sodium);
  transition: background-color 0.35s;
}
.hdr__cta svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  transition: transform 0.4s var(--ease);
}
.hdr__cta:hover { background: var(--c-white); }
.hdr__cta:hover svg { transform: translateX(4px); }

/* burger */
.burger {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
}
.burger__lines {
  position: relative;
  display: block;
  width: 26px;
  height: 10px;
}
.burger__lines i {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--c-white);
  transition: transform 0.45s var(--ease), opacity 0.3s;
}
.burger__lines i:nth-child(1) { top: 0; }
.burger__lines i:nth-child(2) { bottom: 0; }
.burger__label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--c-white);
}
.burger[aria-expanded="true"] .burger__lines i:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__lines i:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }

/* ------------------------------------------------------------
   7. MOBILE MENU
   ------------------------------------------------------------ */
.menu {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--hdr-h) var(--pad-x) 48px;
  background: var(--c-night-2);
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.8s var(--ease);
}
.menu[hidden] { display: none; }
body.is-menu-open .menu { clip-path: inset(0 0 0 0); }

.menu__nav li { border-bottom: 1px solid var(--c-line-soft); }
.menu__nav a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 22px 0;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
body.is-menu-open .menu__nav a { opacity: 1; transform: none; }
body.is-menu-open .menu__nav li:nth-child(1) a { transition-delay: 0.22s; }
body.is-menu-open .menu__nav li:nth-child(2) a { transition-delay: 0.30s; }
body.is-menu-open .menu__nav li:nth-child(3) a { transition-delay: 0.38s; }

.menu__nav i {
  font-family: var(--f-mono);
  font-size: 10px;
  font-style: normal;
  color: var(--c-sodium);
}
.menu__nav span {
  font-family: var(--f-disp);
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-white);
}
.menu__nav em {
  font-size: 11px;
  font-style: normal;
  letter-spacing: 0.16em;
  color: var(--c-dim);
}
.menu__foot {
  margin-top: 48px;
  font-size: 12px;
  color: var(--c-dim);
}
.menu__tel {
  display: block;
  font-family: var(--f-disp);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-sodium);
}

/* ------------------------------------------------------------
   8. FLIGHT RAIL（高度計）
   ------------------------------------------------------------ */
.rail {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 120;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 116px;
  height: 100vh;
  padding: calc(var(--hdr-h) + 40px) 0 40px;
  pointer-events: none;
}
.rail__cap,
.rail__unit {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--c-dim);
}
.rail__track {
  position: relative;
  flex: 1;
  width: 1px;
  background: var(--c-line-soft);
}
.rail__fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, rgba(255, 193, 94, 0.1), var(--c-sodium));
}
.rail__pin {
  position: absolute;
  top: 0;
  left: 50%;
  width: 7px;
  height: 7px;
  margin-left: -3.5px;
  margin-top: -3.5px;
  background: var(--c-sodium);
  transform: rotate(45deg);
  box-shadow: 0 0 14px rgba(255, 193, 94, 0.8);
}
.rail__num {
  font-family: var(--f-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
  color: var(--c-sodium);
}

@media (min-width: 1200px) {
  .rail { display: flex; }
}

/* ------------------------------------------------------------
   9. HERO
   ------------------------------------------------------------ */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100svh;
  padding: calc(var(--hdr-h) + clamp(20px, 5vh, 52px)) var(--pad-x) clamp(88px, 12vh, 128px);
  overflow: hidden;
}
.hero__canvas,
.hero__movie {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__canvas { z-index: 1; }
.hero__movie { z-index: 0; opacity: 0.5; }

.hero__vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(120% 90% at 72% 34%, rgba(108, 123, 255, 0.16), transparent 60%),
    radial-gradient(90% 70% at 12% 92%, rgba(255, 193, 94, 0.12), transparent 62%),
    linear-gradient(180deg, rgba(5, 7, 14, 0.72) 0%, rgba(5, 7, 14, 0.2) 38%, rgba(5, 7, 14, 0.92) 100%);
  pointer-events: none;
}
.hero__grain {
  position: absolute;
  inset: -50%;
  z-index: 3;
  opacity: 0.16;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  animation: grain 6s steps(6) infinite;
}
@keyframes grain {
  0%   { transform: translate(0, 0); }
  20%  { transform: translate(-4%, 3%); }
  40%  { transform: translate(3%, -5%); }
  60%  { transform: translate(-6%, -2%); }
  80%  { transform: translate(5%, 4%); }
  100% { transform: translate(0, 0); }
}

.hero__inner {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: clamp(16px, 3vh, 34px);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  color: var(--c-sodium);
}
.hero__eyebrow .rule {
  display: block;
  width: clamp(40px, 8vw, 110px);
  height: 1px;
  background: linear-gradient(90deg, var(--c-sodium), transparent);
}
.hero__eyebrow .loc { color: var(--c-dim); }

.hero__title {
  font-family: var(--f-jp);
  font-weight: 900;
  font-size: clamp(2.6rem, min(10vw, 12.5vh), 7.2rem);
  line-height: 1.03;
  letter-spacing: 0.01em;
  color: var(--c-white);
}
.hero__title .ln {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em;
}
.hero__title .ln:nth-child(2) { padding-left: 0.5em; }
.hero__title .ln:nth-child(3) { padding-left: 1em; }
.hero__title .ln__in {
  display: inline-block;
  background: linear-gradient(96deg, #FFFFFF 0%, #D8E1F6 42%, #FFC15E 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
/* 行マスク：外側の .ln を監視して、内側の .ln__in を押し上げる */
.hero__title .ln[data-reveal] {
  opacity: 1;
  transform: none;
  transition: none;
}
.hero__title .ln .ln__in {
  transform: translate3d(0, 106%, 0);
  transition: transform 1.25s var(--ease);
}
.hero__title .ln.is-in .ln__in { transform: none; }
.hero__title .ln:nth-child(2) .ln__in { transition-delay: 0.1s; }
.hero__title .ln:nth-child(3) .ln__in { transition-delay: 0.2s; }

.hero__lead {
  max-width: 44em;
  margin-top: clamp(20px, 3.4vh, 38px);
  font-size: clamp(13px, 1.35vw, 16px);
  line-height: 2.15;
  color: var(--c-text);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(24px, 4vh, 46px);
}

.hero__hud {
  position: absolute;
  right: var(--pad-x);
  bottom: 46px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: right;
}
.hero__hud-item {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--c-dim);
  font-variant-numeric: tabular-nums;
}
.hero__hud-item i {
  font-style: normal;
  color: rgba(108, 123, 255, 0.85);
}
.hero__hud-item b { font-weight: 400; color: var(--c-text); }

.hero__scroll {
  position: absolute;
  left: var(--pad-x);
  bottom: 46px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--c-dim);
}
.hero__scroll i {
  position: relative;
  display: block;
  width: 76px;
  height: 1px;
  background: var(--c-line);
  overflow: hidden;
}
.hero__scroll i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--c-sodium);
  transform: translateX(-100%);
  animation: scrollLine 2.4s var(--ease-io) infinite;
}
@keyframes scrollLine {
  0%   { transform: translateX(-100%); }
  55%  { transform: translateX(0); }
  100% { transform: translateX(100%); }
}
.hero__scroll:hover { color: var(--c-sodium); }

/* ------------------------------------------------------------
   10. SECTION COMMON
   ------------------------------------------------------------ */
.sect {
  position: relative;
  padding: clamp(84px, 11vw, 156px) var(--pad-x);
}
.sect__head {
  max-width: var(--maxw);
  margin: 0 auto clamp(44px, 5.5vw, 76px);
}
.sect__label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--c-sodium);
}
.sect__label i {
  display: block;
  width: 8px;
  height: 8px;
  border: 1px solid var(--c-sodium);
  transform: rotate(45deg);
}
.sect__title {
  font-size: clamp(2rem, 5.2vw, 3.9rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0.02em;
  color: var(--c-white);
}
.sect__note {
  max-width: 46em;
  margin-top: 26px;
  font-size: 14px;
  line-height: 2.1;
  color: var(--c-dim);
}

/* 固定ヘッダーの分だけアンカー位置をずらす */
section[id] { scroll-margin-top: var(--hdr-h); }

/* 上端の細いグラデーションライン */
.sect::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--pad-x);
  right: var(--pad-x);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-line), transparent);
}
.hero::before { content: none; }

/* ------------------------------------------------------------
   11. BUSINESS
   ------------------------------------------------------------ */
.business { background: linear-gradient(180deg, var(--c-night) 0%, var(--c-night-2) 100%); }

.biz {
  max-width: var(--maxw);
  margin: 0 auto;
}
.biz__item {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 90px);
  align-items: center;
  padding: clamp(56px, 8vw, 112px) 0;
  border-top: 1px solid var(--c-line-soft);
}
.biz__item:first-child { border-top: none; padding-top: 0; }
.biz__item:last-child { padding-bottom: 0; }
.biz__item:nth-child(even) .biz__visual { order: 2; }

/* --- visual --- */
.biz__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  background:
    radial-gradient(90% 90% at 30% 20%, var(--c-panel-2), var(--c-panel) 70%);
  border: 1px solid var(--c-line-soft);
  overflow: hidden;
}
.viz { position: absolute; inset: 0; }
.viz svg { width: 100%; height: 100%; }
.viz__scan {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 32%;
  background: linear-gradient(180deg, transparent, rgba(255, 193, 94, 0.07), transparent);
  transform: translateY(-120%);
}
.biz__visual.is-in .viz__scan { animation: scan 6.5s var(--ease-io) infinite; }
@keyframes scan {
  0%   { transform: translateY(-120%); }
  70%  { transform: translateY(360%); }
  100% { transform: translateY(360%); }
}

.biz__phase {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 3;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 18px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--c-night);
  background: var(--c-sodium);
}
.biz__phase i {
  font-family: var(--f-jp);
  font-style: normal;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.1em;
}

/* --- body --- */
.biz__code {
  font-family: var(--f-disp);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--c-vapor);
}
.biz__title {
  margin-top: 14px;
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--c-white);
}
.biz__catch {
  margin-top: 18px;
  padding-left: 16px;
  border-left: 2px solid var(--c-sodium);
  font-size: clamp(14px, 1.5vw, 17px);
  font-weight: 700;
  line-height: 1.7;
  color: var(--c-sodium);
}
.biz__text {
  margin-top: 22px;
  font-size: 14px;
  line-height: 2.15;
  color: var(--c-text);
}
.biz__list {
  margin-top: 26px;
  border-top: 1px solid var(--c-line-soft);
}
.biz__list li {
  position: relative;
  padding: 13px 0 13px 24px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-dim);
  border-bottom: 1px solid var(--c-line-soft);
  transition: color 0.35s;
}
.biz__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 22px;
  width: 8px;
  height: 1px;
  background: var(--c-sodium);
  transition: width 0.4s var(--ease);
}
.biz__list li:hover { color: var(--c-text); }
.biz__list li:hover::before { width: 14px; }

/* ------------------------------------------------------------
   12. VIZ（事業ごとの抽象ビジュアル）
   ------------------------------------------------------------ */
/* 共通 */
.viz circle,
.viz path,
.viz rect { vector-effect: non-scaling-stroke; }

/* --- AD : ターゲティング --- */
.viz-ad__dots circle {
  fill: rgba(201, 212, 232, 0.22);
}
.viz-ad__dots circle.is-hot {
  fill: var(--c-sodium);
}
.biz__visual.is-in .viz-ad__dots circle.is-hot {
  animation: hotPulse 2.6s var(--ease-io) infinite;
}
@keyframes hotPulse {
  0%, 100% { opacity: 0.35; }
  50%      { opacity: 1; }
}
.viz-ad__reticle circle,
.viz-ad__reticle path {
  fill: none;
  stroke: var(--c-sodium);
  stroke-width: 1;
  opacity: 0.85;
}
.viz-ad__reticle circle:nth-child(2) { opacity: 0.35; }
.biz__visual.is-in .viz-ad__reticle {
  transform-origin: 238px 140px;
  animation: reticle 5s var(--ease-io) infinite;
}
@keyframes reticle {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.09); }
}

/* --- VIDEO : タイムライン --- */
.viz-vd__frames rect {
  fill: rgba(108, 123, 255, 0.1);
  stroke: rgba(201, 212, 232, 0.3);
  stroke-width: 1;
}
.biz__visual.is-in .viz-vd__frames rect:nth-child(1) { animation: frameOn 4.2s var(--ease-io) infinite; }
.biz__visual.is-in .viz-vd__frames rect:nth-child(2) { animation: frameOn 4.2s var(--ease-io) infinite 0.35s; }
.biz__visual.is-in .viz-vd__frames rect:nth-child(3) { animation: frameOn 4.2s var(--ease-io) infinite 0.7s; }
@keyframes frameOn {
  0%, 60%, 100% { fill: rgba(108, 123, 255, 0.1); }
  25%           { fill: rgba(255, 193, 94, 0.22); }
}
.viz-vd__brackets path {
  fill: none;
  stroke: var(--c-sodium);
  stroke-width: 1.2;
  opacity: 0.7;
}
.viz-vd__timeline path {
  fill: none;
  stroke: rgba(201, 212, 232, 0.2);
  stroke-width: 1;
}
.viz-vd__timeline .viz-vd__played {
  stroke: var(--c-sodium);
  stroke-dasharray: 320;
  stroke-dashoffset: 320;
}
.biz__visual.is-in .viz-vd__played { animation: play 4.2s linear infinite; }
@keyframes play {
  0%   { stroke-dashoffset: 320; }
  100% { stroke-dashoffset: 0; }
}
.viz-vd__ticks path { stroke: rgba(201, 212, 232, 0.22); stroke-width: 1; }
.viz-vd__head { fill: var(--c-sodium); }
.biz__visual.is-in .viz-vd__head { animation: head 4.2s linear infinite; }
@keyframes head {
  0%   { transform: translateX(0); }
  100% { transform: translateX(320px); }
}

/* --- DRONE : レーダー --- */
.viz-dr__rings circle {
  fill: none;
  stroke: rgba(201, 212, 232, 0.18);
  stroke-width: 1;
  transform-origin: 200px 150px;
}
.biz__visual.is-in .viz-dr__rings circle:nth-child(1) { animation: ring 4.8s var(--ease-io) infinite; }
.biz__visual.is-in .viz-dr__rings circle:nth-child(2) { animation: ring 4.8s var(--ease-io) infinite 0.5s; }
.biz__visual.is-in .viz-dr__rings circle:nth-child(3) { animation: ring 4.8s var(--ease-io) infinite 1s; }
.biz__visual.is-in .viz-dr__rings circle:nth-child(4) { animation: ring 4.8s var(--ease-io) infinite 1.5s; }
@keyframes ring {
  0%   { opacity: 0; transform: scale(0.55); }
  25%  { opacity: 0.9; }
  100% { opacity: 0; transform: scale(1.35); }
}
.viz-dr__arm {
  fill: none;
  stroke: rgba(238, 243, 255, 0.55);
  stroke-width: 1.2;
}
.viz-dr__body {
  fill: rgba(5, 7, 14, 0.6);
  stroke: var(--c-white);
  stroke-width: 1.2;
}
.viz-dr__lens { fill: var(--c-sodium); }
.viz-dr__rotor {
  fill: none;
  stroke: var(--c-sodium);
  stroke-width: 1.4;
  stroke-dasharray: 34 66;
  opacity: 0.9;
}
.biz__visual.is-in .viz-dr__rotor { animation: rotor 0.9s linear infinite; }
@keyframes rotor {
  0%   { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -100; }
}
.viz-dr__wedge { fill: rgba(255, 193, 94, 0.11); stroke: none; }
.viz-dr__edge {
  fill: none;
  stroke: rgba(255, 193, 94, 0.55);
  stroke-width: 1;
}
.viz-dr__sweep { transform-origin: 200px 150px; }
.biz__visual.is-in .viz-dr__sweep { animation: sweep 6s linear infinite; }
@keyframes sweep {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ------------------------------------------------------------
   13. COMPANY
   ------------------------------------------------------------ */
.company { background: var(--c-night-2); }
.company__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(34px, 5vw, 78px);
  max-width: var(--maxw);
  margin: 0 auto;
  align-items: start;
}
.company__row {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--c-line-soft);
}
.company__list > .company__row:first-child { border-top: 1px solid var(--c-line-soft); }
.company__row dt {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-dim);
  padding-top: 3px;
}
.company__row dd {
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-white);
}
.company__row dd .sub {
  display: block;
  font-family: var(--f-disp);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--c-dim);
}

.company__map {
  position: relative;
  border: 1px solid var(--c-line-soft);
  background: var(--c-panel);
}
.company__map iframe {
  width: 100%;
  height: clamp(260px, 34vw, 380px);
  border: 0;
  filter: invert(0.92) hue-rotate(190deg) saturate(0.55) brightness(0.95) contrast(0.9);
}
.company__map figcaption {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 22px;
  font-size: 12px;
  color: var(--c-dim);
  border-top: 1px solid var(--c-line-soft);
}

/* ------------------------------------------------------------
   14. CONTACT
   ------------------------------------------------------------ */
.contact {
  background:
    radial-gradient(85% 60% at 82% 0%, rgba(108, 123, 255, 0.13), transparent 62%),
    var(--c-night);
}
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(32px, 5vw, 78px);
  max-width: var(--maxw);
  margin: 0 auto;
  align-items: start;
}
.contact__side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact__card {
  padding: 28px;
  background: var(--c-panel);
  border: 1px solid var(--c-line-soft);
}
.contact__card .mono { display: block; margin-bottom: 14px; }
.contact__tel {
  display: inline-block;
  font-family: var(--f-disp);
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-sodium);
  line-height: 1.2;
  transition: color 0.3s;
}
.contact__tel:hover { color: var(--c-white); }
.contact__hours { margin-top: 8px; font-size: 12px; color: var(--c-dim); }
.contact__card address { font-size: 14px; line-height: 2; color: var(--c-text); }

/* --- form --- */
.form { display: flex; flex-direction: column; gap: 22px; }
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.field { display: block; }
.field--choice { border: none; padding: 0; margin: 0; }
.field__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-text);
}
.req {
  padding: 2px 7px;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--c-night);
  background: var(--c-sodium);
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field textarea {
  width: 100%;
  padding: 15px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-white);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--c-line-soft);
  border-bottom-color: var(--c-line);
  transition: border-color 0.3s, background-color 0.3s;
}
.field textarea { resize: vertical; min-height: 140px; }
.field input::placeholder,
.field textarea::placeholder { color: rgba(118, 131, 156, 0.65); }
.field input:focus,
.field textarea:focus {
  outline: none;
  background: rgba(255, 193, 94, 0.05);
  border-color: var(--c-sodium);
}
.field.is-error input,
.field.is-error textarea { border-color: #FF6B6B; }

.field__err {
  display: none;
  margin-top: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #FF8A8A;
}
.field.is-error .field__err { display: block; }
.field__err--agree.is-shown { display: block; margin-top: -12px; }

.choice { display: flex; flex-wrap: wrap; gap: 10px; }
.choice__item { position: relative; cursor: pointer; }
.choice__item input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}
.choice__item span {
  display: block;
  padding: 11px 20px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-dim);
  border: 1px solid var(--c-line-soft);
  transition: color 0.3s, border-color 0.3s, background-color 0.3s;
}
.choice__item input:checked + span {
  color: var(--c-night);
  background: var(--c-sodium);
  border-color: var(--c-sodium);
}
.choice__item input:focus-visible + span { outline: 2px solid var(--c-sodium); outline-offset: 3px; }
.choice__item:hover span { color: var(--c-white); border-color: var(--c-line); }

.agree {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  cursor: pointer;
}
.agree input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.agree__box {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 6px;
  border: 1px solid var(--c-line);
  transition: background-color 0.25s, border-color 0.25s;
}
.agree input:checked + .agree__box {
  background: var(--c-sodium) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2305070E' stroke-width='3'%3E%3Cpath d='M5 12l5 5L19 7'/%3E%3C/svg%3E") center / 12px no-repeat;
  border-color: var(--c-sodium);
}
.agree input:focus-visible + .agree__box { outline: 2px solid var(--c-sodium); outline-offset: 3px; }
.agree__text { font-size: 12px; line-height: 1.9; color: var(--c-dim); }

.btn--submit { align-self: flex-start; min-width: 220px; justify-content: center; }
.btn--submit[disabled] { opacity: 0.5; pointer-events: none; }

.form__status {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-sodium);
}
.form__status.is-ng { color: #FF8A8A; }

/* ------------------------------------------------------------
   15. FOOTER
   ------------------------------------------------------------ */
.ftr {
  padding: clamp(64px, 8vw, 100px) var(--pad-x) 34px;
  background: var(--c-night-2);
  border-top: 1px solid var(--c-line-soft);
}
.ftr__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(38px, 6vw, 90px);
  max-width: var(--maxw);
  margin: 0 auto;
}
.ftr__logo {
  font-family: var(--f-disp);
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;
  color: var(--c-white);
}
.ftr__jp {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--c-dim);
}
.ftr__addr {
  margin-top: 26px;
  font-size: 13px;
  line-height: 2;
  color: var(--c-dim);
}
.ftr__addr a { transition: color 0.3s; }
.ftr__addr a:hover { color: var(--c-sodium); }

.ftr__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 62px);
}
.ftr__nav .mono { display: block; margin-bottom: 16px; }
.ftr__nav li { margin-bottom: 10px; }
.ftr__nav li a {
  font-size: 13px;
  color: var(--c-text);
  transition: color 0.3s, padding-left 0.35s var(--ease);
}
.ftr__nav li a:hover { color: var(--c-sodium); padding-left: 6px; }

.ftr__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: var(--maxw);
  margin: clamp(48px, 6vw, 80px) auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--c-line-soft);
}
.ftr__copy {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--c-dim);
}
.ftr__top-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--c-dim);
  transition: color 0.3s;
}
.ftr__top-link svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  transition: transform 0.4s var(--ease);
}
.ftr__top-link:hover { color: var(--c-sodium); }
.ftr__top-link:hover svg { transform: translateY(-4px); }

/* ------------------------------------------------------------
   16. RESPONSIVE
   ------------------------------------------------------------ */
@media (max-width: 1023px) {
  .hdr__nav,
  .hdr__cta { display: none; }
  .burger { display: inline-flex; }

  .biz__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }
  .biz__item:nth-child(even) .biz__visual { order: 0; }

  .company__grid,
  .contact__grid { grid-template-columns: minmax(0, 1fr); }

  .ftr__top { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 767px) {
  body { font-size: 14px; }
  :root { --hdr-h: 64px; }

  .hero { padding-bottom: 150px; }
  .hero__lead br { display: none; }
  .hero__title .ln:nth-child(2) { padding-left: 0.3em; }
  .hero__title .ln:nth-child(3) { padding-left: 0.6em; }
  .hero__eyebrow { flex-wrap: wrap; gap: 10px; }
  .hero__hud {
    right: auto;
    left: var(--pad-x);
    bottom: 92px;
    text-align: left;
  }
  .hero__hud-item { justify-content: flex-start; }
  .hero__scroll i { width: 46px; }

  .btn { height: 52px; padding: 0 22px; font-size: 14px; }
  .form__row { grid-template-columns: minmax(0, 1fr); }
  .company__row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .btn--submit { align-self: stretch; }
  .ftr__bottom { flex-direction: column; align-items: flex-start; }
}

/* ------------------------------------------------------------
   17. REDUCED MOTION
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
  .hero__title .ln__in[data-reveal] { transform: none; }
  .hero__grain { animation: none; }
  .viz__scan { display: none; }
}

/* ============================================================
   18. 下層ページ（事業ページ）専用
   ============================================================ */

/* --- パンくず --- */
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--c-dim);
}
.crumb a { transition: color 0.3s; }
.crumb a:hover { color: var(--c-sodium); }
.crumb i { font-style: normal; opacity: 0.5; }
.crumb span { color: var(--c-text); }

/* --- ページヒーロー --- */
.phero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: min(74svh, 720px);
  padding: calc(var(--hdr-h) + clamp(30px, 6vh, 64px)) var(--pad-x) clamp(52px, 8vh, 96px);
  overflow: hidden;
}
.phero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.phero__vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(110% 80% at 78% 12%, rgba(108, 123, 255, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(5, 7, 14, 0.82) 0%, rgba(5, 7, 14, 0.34) 42%, rgba(5, 7, 14, 0.96) 100%);
}
.phero__inner {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
}
.phero__phase {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin: clamp(24px, 4vh, 44px) 0 18px;
  padding: 10px 16px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--c-night);
  background: var(--c-sodium);
}
.phero__phase i {
  font-family: var(--f-jp);
  font-style: normal;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.1em;
}
.phero__code {
  font-family: var(--f-disp);
  font-size: clamp(13px, 1.4vw, 16px);
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--c-vapor);
}
.phero__title {
  margin-top: 12px;
  font-size: clamp(2.1rem, min(6.4vw, 8.5vh), 4.6rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--c-white);
}
.phero__catch {
  margin-top: 22px;
  padding-left: 16px;
  border-left: 2px solid var(--c-sodium);
  font-size: clamp(15px, 1.7vw, 19px);
  font-weight: 700;
  line-height: 1.7;
  color: var(--c-sodium);
}
.phero__lead {
  max-width: 44em;
  margin-top: 24px;
  font-size: clamp(13px, 1.3vw, 15px);
  line-height: 2.15;
  color: var(--c-text);
}

/* --- 汎用ラッパ --- */
.wrap { max-width: var(--maxw); margin: 0 auto; }
.sect--tint { background: var(--c-night-2); }

/* --- できること（カード） --- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr));
  gap: 1px;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line-soft);
}
.card {
  display: flex;
  flex-direction: column;
  padding: clamp(28px, 3.4vw, 44px);
  background: var(--c-night);
  transition: background-color 0.5s var(--ease);
}
.sect--tint .card { background: var(--c-night-2); }
.card:hover { background: var(--c-panel); }
.card__no {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--c-vapor);
}
.card__title {
  margin-top: 18px;
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 900;
  line-height: 1.5;
  color: var(--c-white);
}
.card__text {
  margin-top: 16px;
  font-size: 13.5px;
  line-height: 2.1;
  color: var(--c-dim);
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 24px;
}
.tags li {
  padding: 6px 12px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--c-sodium);
  border: 1px solid rgba(255, 193, 94, 0.28);
}

/* --- 進め方（工程） --- */
.flow { position: relative; }
.flow::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-sodium), rgba(108, 123, 255, 0.35));
}
.flow__item {
  position: relative;
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: clamp(16px, 3vw, 40px);
  padding: 0 0 clamp(30px, 4vw, 46px);
}
.flow__item:last-child { padding-bottom: 0; }
.flow__no {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-sodium);
  background: var(--c-night);
  border: 1px solid rgba(255, 193, 94, 0.4);
}
.sect--tint .flow__no { background: var(--c-night-2); }
.flow__title {
  max-width: 42em;
  padding-top: 10px;
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-white);
}
.flow__text {
  max-width: 46em;
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 2.1;
  color: var(--c-dim);
}

/* --- 数字・仕様テーブル --- */
.spec { border-top: 1px solid var(--c-line-soft); }
.spec__row {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--c-line-soft);
}
.spec__row dt {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-dim);
  padding-top: 4px;
}
.spec__row dd {
  font-size: 14px;
  line-height: 2;
  color: var(--c-white);
}

/* --- よくあるご質問 --- */
.faq { border-top: 1px solid var(--c-line-soft); }
.faq__item { border-bottom: 1px solid var(--c-line-soft); }
.faq__item summary {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.8;
  color: var(--c-white);
  transition: color 0.3s;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--c-sodium); }
.faq__item summary::before {
  content: "Q";
  flex: none;
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--c-sodium);
  padding-top: 5px;
}
.faq__item summary::after {
  content: "";
  flex: none;
  width: 12px;
  height: 12px;
  margin-left: auto;
  margin-top: 9px;
  border-right: 1px solid var(--c-dim);
  border-bottom: 1px solid var(--c-dim);
  transform: rotate(45deg);
  transition: transform 0.4s var(--ease);
}
.faq__item[open] summary::after { transform: rotate(-135deg); }
.faq__body {
  max-width: 60em;
  display: flex;
  gap: 16px;
  padding: 0 0 26px;
  font-size: 13.5px;
  line-height: 2.1;
  color: var(--c-dim);
}
.faq__body::before {
  content: "A";
  flex: none;
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--c-vapor);
  padding-top: 3px;
}

/* --- 他事業への導線 --- */
.related {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1px;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line-soft);
}
.related__item {
  position: relative;
  display: block;
  padding: clamp(28px, 3.4vw, 44px);
  background: var(--c-night-2);
  overflow: hidden;
  transition: background-color 0.5s var(--ease);
}
.related__item:hover { background: var(--c-panel); }
.related__phase {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--c-sodium);
}
.related__title {
  margin-top: 14px;
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 900;
  line-height: 1.45;
  color: var(--c-white);
}
.related__catch {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--c-dim);
}
.related__go {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  font-family: var(--f-disp);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-white);
}
.related__go svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  transition: transform 0.45s var(--ease);
}
.related__item:hover .related__go { color: var(--c-sodium); }
.related__item:hover .related__go svg { transform: translateX(7px); }

/* --- 下部CTA --- */
.cta {
  position: relative;
  padding: clamp(72px, 10vw, 128px) var(--pad-x);
  background:
    radial-gradient(80% 70% at 20% 0%, rgba(255, 193, 94, 0.12), transparent 62%),
    radial-gradient(80% 70% at 88% 100%, rgba(108, 123, 255, 0.14), transparent 62%),
    var(--c-night);
  border-top: 1px solid var(--c-line-soft);
}
.cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 34px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.cta__title {
  font-size: clamp(1.7rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.3;
  color: var(--c-white);
}
.cta__text {
  margin-top: 18px;
  max-width: 34em;
  font-size: 14px;
  line-height: 2.1;
  color: var(--c-dim);
}
.cta__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}
.cta__tel {
  font-family: var(--f-disp);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-sodium);
  transition: color 0.3s;
}
.cta__tel:hover { color: var(--c-white); }

@media (max-width: 767px) {
  .spec__row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .flow__item { grid-template-columns: 46px minmax(0, 1fr); }
  .flow::before { left: 23px; }
  .cta__inner { flex-direction: column; align-items: flex-start; }
}

/* 現在地表示（下層ページ） */
.hdr__nav a.is-current span { color: var(--c-sodium); }
.hdr__nav a.is-current::after { transform: scaleX(1); transform-origin: left center; }

/* モバイルメニュー：項目が増えたときのスタガー */
body.is-menu-open .menu__nav li:nth-child(4) a { transition-delay: 0.46s; }
body.is-menu-open .menu__nav li:nth-child(5) a { transition-delay: 0.54s; }

/* モバイルメニューの項目が多いページ用に文字を詰める */
@media (max-height: 780px) {
  .menu__nav a { padding: 16px 0; }
  .menu__nav span { font-size: 26px; }
}