@charset "UTF-8";

/* ============================================
   ST CONSULTING Corporate Site  v2
   Design: Deep Navy x Champagne Gold / Luxe
   ============================================ */

:root {
  --navy-black: #0a1426;
  --navy-deep: #101f3d;
  --navy: #1c3461;
  --navy-soft: #8195bd;
  --gold: #b6a069;
  --gold-soft: #cbb98c;
  --gold-line: rgba(182, 160, 105, 0.55);
  --paper: #fbfbfa;
  --pale: #f3f4f6;
  --ink: #212a3b;
  --ink-soft: #55617a;
  --line: #dfe2e8;
  --white: #ffffff;
  --serif: "Shippori Mincho", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  --serif-en: "Cormorant Garamond", "Shippori Mincho", serif;
  --sans: "Yu Gothic Medium", "Yu Gothic", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  --header-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 2;
  font-size: 15.5px;
  letter-spacing: 0.06em;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}

.pc-only { display: inline; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  transition: background 0.4s, box-shadow 0.4s, transform 0.45s ease;
}

/* 下スクロールで隠れ、上スクロールで戻る */
.site-header.is-hidden { transform: translateY(-100%); }

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 濃紺の背景に沈まないよう、白い円形の下地＋細い白フチを敷く */
.header-logo img {
  width: 42px;
  height: 42px;
  background: var(--white);
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.95), 0 2px 12px rgba(0, 0, 0, 0.35);
}

.site-header.is-scrolled .header-logo img {
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.95), 0 1px 6px rgba(16, 31, 61, 0.15);
}

.header-logo-text {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--white);
  display: flex;
  flex-direction: column;
  line-height: 1.35;
  transition: color 0.4s;
}

.header-logo-sub {
  font-family: var(--sans);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.4s;
}

.global-nav ul {
  display: flex;
  align-items: center;
  gap: 36px;
}

.global-nav a {
  font-size: 13.5px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 6px 0;
  transition: color 0.4s;
}

.global-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s;
}

.global-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.global-nav .nav-contact {
  border: 1px solid var(--gold-line);
  color: var(--gold-soft);
  padding: 10px 26px;
  transition: background 0.35s, color 0.35s, border-color 0.35s;
}

.global-nav .nav-contact:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy-black);
}
.global-nav .nav-contact::after { display: none; }

/* スクロール後：白ヘッダーに切り替え */
.site-header.is-scrolled {
  background: rgba(251, 251, 250, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--line), 0 4px 24px rgba(16, 31, 61, 0.06);
}

.site-header.is-scrolled .header-logo-text { color: var(--navy); }
.site-header.is-scrolled .header-logo-sub { color: var(--ink-soft); }
.site-header.is-scrolled .global-nav a { color: var(--ink); }
.site-header.is-scrolled .global-nav .nav-contact {
  color: var(--navy);
  border-color: var(--navy);
}
.site-header.is-scrolled .global-nav .nav-contact:hover {
  background: var(--navy);
  color: var(--white);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  width: 44px; height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  width: 26px; height: 1px;
  margin: 0 auto;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s, background 0.4s;
}

.site-header.is-scrolled .nav-toggle span,
.nav-toggle.is-open span { background: var(--navy); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 90% 70% at 78% 30%, rgba(58, 84, 138, 0.45) 0%, rgba(16, 31, 61, 0) 55%),
    linear-gradient(158deg, #16233f 0%, #101f3d 45%, #0a1426 100%);
  padding-top: var(--header-h);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
}

/* ゆっくり回るオーロラ状の光 */
.hero::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 130vmax; height: 130vmax;
  margin: -65vmax;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    rgba(182, 160, 105, 0.07) 55deg,
    transparent 120deg,
    rgba(58, 84, 138, 0.16) 210deg,
    transparent 290deg
  );
  animation: aurora 22s linear infinite;
  pointer-events: none;
  z-index: 1;
}

@keyframes aurora {
  to { transform: rotate(360deg); }
}

.hero-inner {
  will-change: transform, opacity;
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  padding: 96px 32px;
  position: relative;
  z-index: 2;
}

.hero-en {
  font-family: var(--serif-en);
  font-size: 15px;
  letter-spacing: 0.5em;
  color: var(--gold-soft);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.hero-en::before {
  content: "";
  width: 56px; height: 1px;
  background: var(--gold-line);
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(42px, 7.2vw, 78px);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: 0.12em;
  color: var(--white);
  margin-bottom: 36px;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.3);
}

/* JSで1文字ずつ<span class="char">に分割して順に立ち上げる */
.hero-title .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.9em) scale(0.6) rotate(8deg);
  filter: blur(14px);
  animation: charIn 0.85s cubic-bezier(0.3, 1.4, 0.5, 1) forwards;
}

@keyframes charIn {
  to { opacity: 1; transform: translateY(0) scale(1) rotate(0); filter: blur(0); }
}

/* ヒーロー要素の時間差フェード */
.hero-en.reveal { transition-delay: 0.15s; }
.hero-lead.reveal { transition-delay: 1.3s; }
.hero-cta.reveal { transition-delay: 1.55s; }

.hero-lead {
  font-size: clamp(14px, 1.5vw, 16.5px);
  color: rgba(255, 255, 255, 0.72);
  line-height: 2.4;
  letter-spacing: 0.12em;
  margin-bottom: 56px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-more {
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.75);
  display: inline-flex;
  align-items: center;
  gap: 14px;
  transition: color 0.3s;
}

.hero-more::after {
  content: "";
  width: 44px; height: 1px;
  background: rgba(255, 255, 255, 0.45);
  transition: width 0.3s, background 0.3s;
}

.hero-more:hover { color: var(--gold-soft); }
.hero-more:hover::after { width: 64px; background: var(--gold); }

.hero-logo-bg {
  position: absolute;
  right: -6%;
  top: 50%;
  transform: translateY(-50%);
  width: min(52vw, 620px);
  opacity: 0.05;
  z-index: 1;
  pointer-events: none;
  will-change: transform;
}

/* ロゴの透かしを回転させる */
.hero-logo-bg img {
  animation: slowSpin 48s linear infinite;
}

@keyframes slowSpin {
  to { transform: rotate(360deg); }
}

.scroll-sign {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.scroll-sign span {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: rgba(255, 255, 255, 0.55);
  writing-mode: vertical-rl;
}

.scroll-sign::after {
  content: "";
  width: 1px; height: 72px;
  background: linear-gradient(to bottom, var(--gold-line), transparent);
  animation: scrollLine 2.2s ease-in-out infinite;
  transform-origin: top;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== スポットライト演出（トップページのヒーローのみ） ===== */
.spot-words {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.spot-words span {
  position: absolute;
  font-family: var(--serif);
  font-size: clamp(16px, 2vw, 26px);
  letter-spacing: 0.24em;
  color: var(--gold-soft);
  text-shadow: 0 0 20px rgba(203, 185, 140, 0.5);
}

/* カーソル位置に穴の開いた闇。光の中だけ言葉が見える */
.spot-dark {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    circle 260px at var(--mx, 50%) var(--my, 42%),
    rgba(4, 8, 16, 0) 0%,
    rgba(4, 8, 16, 0) 32%,
    rgba(4, 8, 16, 0.9) 76%
  );
}

.spot-hint {
  position: absolute;
  left: 36px;
  bottom: 30px;
  z-index: 3;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.4);
}

/* モバイル・タブレットでは通常表示（文字と重なるのを防ぐ） */
@media (max-width: 900px) {
  .spot-words, .spot-dark, .spot-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .spot-dark, .spot-hint { display: none; }
  .spot-words span { opacity: 0.3; }
}

/* ===== Buttons ===== */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-block;
  padding: 18px 56px;
  font-family: var(--serif);
  font-size: 14.5px;
  letter-spacing: 0.22em;
  text-align: center;
  transition: background 0.35s, color 0.35s, border-color 0.35s, box-shadow 0.35s;
}

/* ホバー時に光が走る */
.btn::before {
  content: "";
  position: absolute;
  top: 0; left: -80%;
  width: 55%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-22deg);
  transition: left 0.65s ease;
  pointer-events: none;
}

.btn:hover::before { left: 130%; }

.btn-gold {
  border: 1px solid var(--gold-line);
  color: var(--gold-soft);
  background: transparent;
}

.btn-gold:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy-black);
  box-shadow: 0 8px 32px rgba(182, 160, 105, 0.25);
}

/* ===== Sections (common) ===== */
.section {
  padding: 140px 0;
  position: relative;
  overflow: hidden;
}

.section-alt { background: var(--pale); }

.ghost {
  position: absolute;
  top: 44px;
  left: -0.04em;
  will-change: transform;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: clamp(96px, 16vw, 200px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: rgba(28, 52, 97, 0.05);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 1;
}

.ghost-light { color: rgba(255, 255, 255, 0.04); }

.section-head {
  text-align: center;
  margin-bottom: 72px;
}

.section-label {
  font-family: var(--serif-en);
  font-size: 15px;
  font-style: italic;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--navy-deep);
  position: relative;
  padding-bottom: 24px;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  transform: translateX(-50%) scaleX(0);
  width: 40px; height: 1px;
  background: var(--gold);
  transition: transform 0.9s ease 0.55s;
}

.section-head.is-visible .section-title::after {
  transform: translateX(-50%) scaleX(1);
}

.section-desc {
  margin-top: 28px;
  font-size: 14.5px;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
}

/* ===== Mission ===== */
.mission-body { text-align: center; }

.mission-statement {
  font-family: var(--serif);
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 500;
  line-height: 2.1;
  letter-spacing: 0.14em;
  color: var(--navy);
  margin-bottom: 44px;
}

.mission-text {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 2.6;
  letter-spacing: 0.1em;
}

/* ===== Service ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.service-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 44px 30px 40px;
  transition: transform 0.4s, box-shadow 0.4s, border-color 0.4s;
}

.service-card::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 48px; height: 1px;
  background: var(--gold);
  transition: width 0.4s;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(182, 160, 105, 0.4);
  box-shadow: 0 20px 48px rgba(16, 31, 61, 0.1);
}

.service-card:hover::before { width: calc(100% + 2px); }

.service-num {
  font-family: var(--serif-en);
  font-size: 30px;
  font-style: italic;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 18px;
}

.service-en {
  font-family: var(--serif-en);
  font-size: 12.5px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--navy-soft);
  margin-bottom: 6px;
}

.service-name {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--navy-deep);
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.service-card ul li {
  font-size: 13.5px;
  color: var(--ink-soft);
  padding: 8px 0 8px 20px;
  position: relative;
  letter-spacing: 0.06em;
}

.service-card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 1px;
  background: var(--gold);
}

/* ===== Flow ===== */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.flow-step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 44px 30px 40px;
}

.flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -21px; top: 50%;
  width: 13px; height: 13px;
  border-top: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
  transform: translateY(-50%) rotate(45deg);
}

.flow-num {
  font-family: var(--serif-en);
  font-size: 40px;
  font-style: italic;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 10px;
}

.flow-en {
  font-family: var(--serif-en);
  font-size: 12.5px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--navy-soft);
  margin-bottom: 18px;
}

.flow-name {
  font-family: var(--serif);
  font-size: 18.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--navy-deep);
  margin-bottom: 14px;
}

.flow-text {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 2.1;
}

/* ===== Profile ===== */
.profile-wrap {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 64px;
  align-items: start;
  margin-bottom: 88px;
}

.profile-photo {
  position: relative;
}

.profile-photo img {
  position: relative;
  z-index: 2;
  box-shadow: 0 16px 48px rgba(16, 31, 61, 0.18);
}

.profile-photo::after {
  content: "";
  position: absolute;
  top: 16px; left: 16px;
  width: 100%; height: 100%;
  border: 1px solid var(--gold-line);
  z-index: 1;
}

.profile-position {
  font-size: 12.5px;
  letter-spacing: 0.26em;
  color: var(--gold);
  margin-bottom: 6px;
}

.profile-name {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--navy-deep);
  margin-bottom: 28px;
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
}

.profile-name-en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 15px;
  letter-spacing: 0.18em;
  color: var(--navy-soft);
}

.profile-text {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 2.3;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}

.profile-license {
  font-size: 13px;
  color: var(--navy);
  letter-spacing: 0.1em;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat {
  text-align: center;
  padding: 44px 20px;
}

.stat:not(:first-child) { border-left: 1px solid var(--line); }

.stat-num {
  font-family: var(--serif-en);
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 400;
  color: var(--navy-deep);
  line-height: 1.1;
  margin-bottom: 12px;
}

.stat-unit {
  font-family: var(--serif);
  font-size: 0.36em;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-left: 6px;
}

.stat-label {
  font-size: 12.5px;
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  line-height: 1.9;
}

/* ===== Company ===== */
.company-table {
  max-width: 780px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}

.company-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--line);
  padding: 28px 12px;
}

.company-row dt {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--navy);
}

.company-row dd {
  color: var(--ink-soft);
  font-size: 14.5px;
  letter-spacing: 0.06em;
}

/* ===== Contact ===== */
.section-contact {
  background:
    radial-gradient(ellipse 80% 90% at 20% 100%, rgba(58, 84, 138, 0.35) 0%, rgba(16, 31, 61, 0) 60%),
    linear-gradient(150deg, #16233f 0%, #0a1426 100%);
}

.section-label-light { color: var(--gold-soft); }
.section-title-light { color: var(--white); }
.section-title-light::after { background: var(--gold-line); }

.contact-body { text-align: center; }

.contact-text {
  color: rgba(255, 255, 255, 0.78);
  font-size: 14.5px;
  letter-spacing: 0.1em;
  margin-bottom: 48px;
}

.contact-note {
  margin-top: 24px;
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.14em;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--navy-black);
  padding: 72px 32px 44px;
  text-align: center;
  border-top: 1px solid rgba(182, 160, 105, 0.18);
}

.footer-logo {
  width: 54px;
  margin: 0 auto 22px;
  opacity: 0.85;
}

.footer-company {
  font-family: var(--serif);
  color: rgba(255, 255, 255, 0.88);
  font-size: 15.5px;
  letter-spacing: 0.26em;
  margin-bottom: 8px;
}

.footer-address {
  color: rgba(255, 255, 255, 0.4);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  margin-bottom: 36px;
}

.footer-copy {
  font-family: var(--serif-en);
  color: rgba(255, 255, 255, 0.3);
  font-size: 11px;
  letter-spacing: 0.2em;
}

/* ===== 下層ページ共通 ===== */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 110px) 0 100px;
  background:
    radial-gradient(ellipse 90% 80% at 80% 20%, rgba(58, 84, 138, 0.4) 0%, rgba(16, 31, 61, 0) 55%),
    linear-gradient(158deg, #16233f 0%, #101f3d 55%, #0a1426 100%);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
}

.page-hero .ghost { top: 30px; }

.page-hero-en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 16px;
  letter-spacing: 0.35em;
  color: var(--gold-soft);
  margin-bottom: 14px;
}

.page-hero-title {
  font-family: var(--serif);
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--white);
}

/* View More リンク */
.more-wrap { text-align: center; margin-top: 64px; }

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 0.24em;
  color: var(--navy);
  transition: color 0.3s;
}

.more-link::after {
  content: "";
  width: 52px; height: 1px;
  background: var(--navy-soft);
  transition: width 0.3s, background 0.3s;
}

.more-link:hover { color: var(--gold); }
.more-link:hover::after { width: 76px; background: var(--gold); }

/* お問い合わせへの誘導帯 */
.cta-band {
  position: relative;
  overflow: hidden;
  padding: 104px 0;
  text-align: center;
  background:
    radial-gradient(ellipse 80% 90% at 20% 100%, rgba(58, 84, 138, 0.35) 0%, rgba(16, 31, 61, 0) 60%),
    linear-gradient(150deg, #16233f 0%, #0a1426 100%);
}

.cta-band-en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--gold-soft);
  margin-bottom: 16px;
}

.cta-band-title {
  font-family: var(--serif);
  font-size: clamp(20px, 2.8vw, 28px);
  letter-spacing: 0.18em;
  color: var(--white);
  margin-bottom: 40px;
  line-height: 2;
}

/* フッターナビ */
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 32px;
  margin-bottom: 40px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  transition: color 0.3s;
}

.footer-nav a:hover { color: var(--gold-soft); }

/* 現在ページのナビ強調 */
.global-nav a.is-current::after { transform: scaleX(1); }

/* プライバシーポリシー等の文章ページ */
.policy-body {
  max-width: 800px;
  margin: 0 auto;
}

.policy-lead {
  font-size: 14.5px;
  color: var(--ink-soft);
  margin-bottom: 56px;
}

.policy-body section + section { margin-top: 56px; }

.policy-body h2 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--navy-deep);
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.policy-body h2::after {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 44px; height: 1px;
  background: var(--gold);
}

.policy-body p, .policy-body li {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 2.2;
}

.policy-body ul { padding-left: 4px; }

.policy-body ul li {
  padding-left: 20px;
  position: relative;
}

.policy-body ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.95em;
  width: 8px; height: 1px;
  background: var(--gold);
}

.policy-date {
  margin-top: 64px;
  text-align: right;
  font-size: 13px;
  color: var(--ink-soft);
}

/* お問い合わせページ（ページヒーローなしで直接ダークセクション） */
.contact-page .section-contact {
  padding: calc(var(--header-h) + 140px) 0 160px;
  min-height: 78vh;
}

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(60px) scale(0.98);
  transition: opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left { transform: translateX(-72px); }
.reveal-right { transform: translateX(72px); }

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* 見出しは字間が締まりながら現れる */
.section-head .section-title {
  opacity: 0;
  letter-spacing: 0.5em;
  transition: opacity 1.1s ease 0.1s, letter-spacing 1.4s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
}

.section-head.is-visible .section-title {
  opacity: 1;
  letter-spacing: 0.2em;
}

/* 下層ページタイトルの登場 */
.page-hero-en {
  animation: pageFadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) both 0.15s;
}

.page-hero-title {
  animation: pageTitleIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) both 0.3s;
}

@keyframes pageFadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pageTitleIn {
  from { opacity: 0; transform: translateY(46px); letter-spacing: 0.5em; }
  to { opacity: 1; transform: translateY(0); letter-spacing: 0.22em; }
}

/* 代表写真は左からワイプで現れる */
.profile-photo img {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.3s cubic-bezier(0.16, 1, 0.3, 1) 0.25s;
}

.profile-photo.is-visible img {
  clip-path: inset(0 0 0 0);
}

/* ===== 金の粒子（JSが .particle-layer を生成） ===== */
.particle-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.particle-layer span {
  position: absolute;
  bottom: -12px;
  border-radius: 50%;
  background: rgba(203, 185, 140, 0.7);
  box-shadow: 0 0 8px rgba(203, 185, 140, 0.9);
  opacity: 0;
  animation: rise linear infinite;
}

@keyframes rise {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  12% { opacity: 0.9; }
  85% { opacity: 0.5; }
  100% { transform: translateY(-92vh) translateX(var(--dx, 0px)); opacity: 0; }
}

/* ===== ページ遷移フェード ===== */
body {
  animation: pageIn 0.7s ease both;
}

@keyframes pageIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

body.is-leaving {
  opacity: 0;
  transition: opacity 0.35s ease;
}

/* カード類は少しずつ時間差で出す */
.service-card:nth-child(2), .flow-step:nth-child(2) { transition-delay: 0.12s; }
.service-card:nth-child(3), .flow-step:nth-child(3) { transition-delay: 0.24s; }
.service-card:nth-child(4), .flow-step:nth-child(4) { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-sign::after { animation: none; }
  .hero-logo-bg img { animation: none; }
  .hero::after { animation: none; }
  .section-title::after { transform: translateX(-50%) scaleX(1); transition: none; }
  .section-head .section-title { opacity: 1; letter-spacing: 0.2em; transition: none; }
  .page-hero-en, .page-hero-title { animation: none; }
  .profile-photo img { clip-path: none; transition: none; }
  .particle-layer { display: none; }
  body { animation: none; }
  .site-header.is-hidden { transform: none; }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .service-grid, .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .flow-step:not(:last-child)::after { display: none; }
}

@media (max-width: 900px) {
  .pc-only { display: none; }

  .global-nav {
    position: fixed;
    inset: 0;
    background: rgba(10, 20, 38, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s, visibility 0.35s;
  }

  .global-nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .global-nav ul {
    flex-direction: column;
    gap: 30px;
    text-align: center;
  }

  .global-nav a,
  .site-header.is-scrolled .global-nav a {
    font-family: var(--serif);
    font-size: 17px;
    color: rgba(255, 255, 255, 0.9);
  }

  .global-nav .nav-contact,
  .site-header.is-scrolled .global-nav .nav-contact {
    color: var(--gold-soft);
    border-color: var(--gold-line);
    background: transparent;
  }

  .nav-toggle { display: flex; }
  .nav-toggle.is-open span { background: var(--white); }

  .nav-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .profile-wrap { grid-template-columns: 1fr; gap: 56px; margin-bottom: 64px; }
  .profile-photo { max-width: 340px; margin: 0 auto; }
}

@media (max-width: 600px) {
  .section { padding: 88px 0; }
  .section-head { margin-bottom: 52px; }
  .hero-inner { padding: 72px 24px; }
  .hero-logo-bg { width: 92vw; right: -34%; }
  .hero-cta { gap: 28px; }
  .service-grid, .flow-steps { grid-template-columns: 1fr; }
  .company-row { grid-template-columns: 1fr; gap: 6px; padding: 22px 6px; }
  .header-logo-text { font-size: 14.5px; }
  .header-logo-sub { display: none; }
  .btn { width: 100%; }
  .profile-stats { grid-template-columns: 1fr; }
  .stat:not(:first-child) { border-left: none; border-top: 1px solid var(--line); }
  .stat { padding: 36px 20px; }
  .ghost { font-size: 96px; top: 28px; }
}