/* ==========================================================================
   DEMAIN — Service Page（page-service.php）専用CSS — Phase 2
   ==========================================================================
   元ファイル: demain-website/style.css（共通デザインシステム、Service Page
   が使用する部分のみ）+ demain-website/service.css（svc-プレフィックスの
   Service Page専用ルール、原本のまま）を1ファイルに統合したもの。

   SWELL側の既存CSSとの衝突を避けるため、すべてのセレクタに
   `body.demain-service` を前置してスコープしている（functions.php側で
   page-service.php表示時のみ <body> に demain-service クラスを付与）。
   ========================================================================== */

/* ==========================================================================
   Base / Tokens
   ========================================================================== */
body.demain-service {
  --navy: #0F1C2E;
  --navy-dark: #081422;
  --gold: #C6A86A;
  --off-white: #F7F5F0;
  --white: #FFFFFF;
  --text-dark: #20252B;

  --serif: 'Cormorant Garamond', 'Noto Serif JP', serif;
  --sans: 'Noto Sans JP', -apple-system, 'Hiragino Kaku Gothic ProN', sans-serif;

  --header-h: 84px;
  --radius: 2px;
  --ease: cubic-bezier(.25, .1, .25, 1);
}

body.demain-service,
body.demain-service * { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.demain-service {
  font-family: var(--sans);
  color: var(--text-dark);
  background: var(--off-white);
  font-weight: 300;
  line-height: 1.85;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.demain-service a { text-decoration: none; color: inherit; }
body.demain-service button { font-family: inherit; background: none; border: none; cursor: pointer; }
body.demain-service ul { list-style: none; }
body.demain-service img { max-width: 100%; display: block; }

/* ==========================================================================
   Reveal / fade-up
   ========================================================================== */
body.demain-service .fade-up {
  opacity: 1;
  transform: none;
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
body.demain-service .fade-up.fade-up-hidden {
  opacity: 0;
  transform: translateY(24px);
}
body.demain-service .fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Buttons / eyebrow / section shared
   ========================================================================== */
body.demain-service .btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 34px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
  white-space: nowrap;
}
body.demain-service .btn span { transition: transform .3s var(--ease); display: inline-block; }
body.demain-service .btn:hover span { transform: translateX(4px); }

body.demain-service .btn-gold {
  background: var(--gold);
  color: var(--navy-dark);
}
body.demain-service .btn-gold:hover { background: #d4bb84; }

body.demain-service .btn-outline-gold {
  border-color: var(--gold);
  color: var(--gold);
  background: transparent;
}
body.demain-service .btn-outline-gold:hover { background: rgba(198, 168, 106, 0.1); }

body.demain-service .btn-small { padding: 10px 22px; font-size: 0.78rem; }

body.demain-service .eyebrow {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 18px;
}

body.demain-service .section-head { position: relative; text-align: center; max-width: 640px; margin: 0 auto 64px; padding: 0 24px; }
body.demain-service .section-head::before {
  content: '';
  display: block;
  width: 36px;
  height: 1px;
  margin: 0 auto 22px;
  background: var(--gold);
}
body.demain-service .section-label {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 16px;
}
body.demain-service .section-label.light { color: var(--gold); }
body.demain-service .section-sub { font-size: 0.92rem; letter-spacing: 0.02em; color: #4a4f56; }
body.demain-service .section-sub.light { color: rgba(247, 245, 240, 0.75); }

/* ==========================================================================
   Header
   ========================================================================== */
body.demain-service .site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(15, 28, 46, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(198, 168, 106, 0.15);
  transition: background .4s var(--ease);
}

body.admin-bar.demain-service .site-header { top: 32px; }
body.admin-bar.demain-service .mobile-nav { top: calc(var(--header-h) + 32px); }
@media screen and (max-width: 782px) {
  body.admin-bar.demain-service .site-header { top: 46px; }
  body.admin-bar.demain-service .mobile-nav { top: calc(var(--header-h) + 46px); }
}

body.demain-service .header-inner {
  max-width: 1320px;
  margin: 0 auto;
  height: 100%;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

body.demain-service .logo {
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: 0.15em;
  color: var(--white);
  font-weight: 500;
}

body.demain-service .main-nav { display: flex; gap: 44px; }
body.demain-service .main-nav a {
  color: rgba(247, 245, 240, 0.85);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  position: relative;
  padding-bottom: 4px;
}
body.demain-service .main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
body.demain-service .main-nav a:hover::after { transform: scaleX(1); }

body.demain-service .header-right { display: flex; align-items: center; gap: 24px; }

body.demain-service .hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 22px;
}
body.demain-service .hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--off-white);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
body.demain-service .hamburger.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.demain-service .hamburger.active span:nth-child(2) { opacity: 0; }
body.demain-service .hamburger.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

body.demain-service .mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--navy-dark);
  border-top: 1px solid rgba(198, 168, 106, 0.15);
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease);
}
body.demain-service .mobile-nav.open { max-height: 420px; }
body.demain-service .mobile-nav a {
  padding: 18px 32px;
  border-bottom: 1px solid rgba(247, 245, 240, 0.06);
  color: var(--off-white);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}
body.demain-service .mobile-nav .btn { margin: 20px 32px; align-self: flex-start; }

/* ==========================================================================
   Footer
   ========================================================================== */
body.demain-service .site-footer { background: var(--navy-dark); border-top: 1px solid rgba(247, 245, 240, 0.08); padding: 60px 40px 30px; }
body.demain-service .footer-top {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 30px;
  padding-bottom: 40px;
}
body.demain-service .footer-logo { color: var(--off-white); }
body.demain-service .footer-nav { display: flex; gap: 30px; flex-wrap: wrap; }
body.demain-service .footer-nav a { font-size: 0.78rem; color: rgba(247, 245, 240, 0.65); letter-spacing: 0.05em; }
body.demain-service .footer-nav a:hover { color: var(--gold); }
body.demain-service .footer-bottom {
  max-width: 1320px;
  margin: 0 auto;
  padding-top: 30px;
  border-top: 1px solid rgba(247, 245, 240, 0.08);
}
body.demain-service .footer-bottom p { font-size: 0.72rem; color: rgba(247, 245, 240, 0.4); }

/* ==========================================================================
   Service page — Hero
   -------------------------------------------------------------------------- */
body.demain-service .svc-hero {
  background: var(--navy-dark);
  padding: calc(var(--header-h) + 110px) 40px 120px;
}
body.demain-service .svc-hero-inner { max-width: 760px; margin: 0 auto; text-align: center; }
body.demain-service .svc-hero .eyebrow { justify-content: center; }
body.demain-service .svc-hero-title {
  font-family: var(--serif);
  color: var(--white);
  font-weight: 500;
  font-size: clamp(2rem, 3.8vw, 3rem);
  line-height: 1.55;
  margin-bottom: 34px;
}
body.demain-service .svc-hero-desc {
  color: rgba(247, 245, 240, 0.8);
  font-size: 0.95rem;
  line-height: 2;
  margin-bottom: 46px;
}
body.demain-service .svc-hero-scroll {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: rgba(247, 245, 240, 0.75);
  padding-bottom: 4px;
}
body.demain-service .svc-hero-scroll::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
body.demain-service .svc-hero-scroll:hover::after { transform: scaleX(1); }
body.demain-service .svc-hero-scroll span { display: inline-block; transition: transform .3s var(--ease); }
body.demain-service .svc-hero-scroll:hover span { transform: translateY(4px); }

/* --------------------------------------------------------------------------
   Our Approach
   -------------------------------------------------------------------------- */
body.demain-service .svc-approach { padding: 120px 40px; background: var(--off-white); }
body.demain-service .svc-approach-inner { max-width: 680px; margin: 0 auto; text-align: center; }
body.demain-service .svc-approach-lead {
  font-size: 0.95rem;
  color: #3a3f46;
  line-height: 1.95;
  margin-bottom: 48px;
}
body.demain-service .svc-approach-points { margin-bottom: 48px; }
body.demain-service .svc-approach-points li {
  font-family: var(--sans);
  font-size: 0.96rem;
  color: var(--text-dark);
  line-height: 2.1;
  padding: 10px 0;
  border-top: 1px solid rgba(15, 28, 46, 0.1);
}
body.demain-service .svc-approach-points li:first-child { border-top: none; }

body.demain-service .svc-flow-lead { font-size: 0.88rem; color: #6a6f76; margin-bottom: 18px; }
body.demain-service .svc-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 18px;
}
body.demain-service .svc-flow span:not(.svc-flow-arrow) {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--navy);
}
body.demain-service .svc-flow-arrow { color: var(--gold); font-size: 0.95rem; }
body.demain-service .svc-approach-note { font-size: 0.88rem; color: #6a6f76; }

/* --------------------------------------------------------------------------
   Shared large Japanese headline
   -------------------------------------------------------------------------- */
body.demain-service .svc-heading {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--text-dark);
}
body.demain-service .svc-heading.light { color: var(--off-white); }

/* --------------------------------------------------------------------------
   Service 01 / 02 / 03
   -------------------------------------------------------------------------- */
body.demain-service .svc-service { padding: 130px 40px; background: var(--off-white); }
body.demain-service .svc-service--white { background: var(--white); }
body.demain-service .svc-service-inner { max-width: 720px; margin: 0 auto; }

body.demain-service .svc-service-num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(2.2rem, 4.4vw, 3.2rem);
  color: var(--gold);
  opacity: 0.55;
  margin-bottom: 14px;
}
body.demain-service .svc-service-eyebrow {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 18px;
}
body.demain-service .svc-service-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.6rem, 2.6vw, 2.15rem);
  line-height: 1.55;
  color: var(--text-dark);
  margin-bottom: 40px;
}

body.demain-service .svc-service-body { margin-bottom: 44px; }
body.demain-service .svc-service-body p {
  font-family: var(--sans);
  font-size: 0.92rem;
  color: #3a3f46;
  line-height: 1.95;
  margin-bottom: 18px;
  max-width: 620px;
}
body.demain-service .svc-service-body p:last-child { margin-bottom: 0; }

body.demain-service .svc-label {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 20px;
}

body.demain-service .svc-service-support {
  margin-bottom: 52px;
  padding-top: 40px;
  border-top: 1px solid rgba(15, 28, 46, 0.1);
}
body.demain-service .svc-support-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 36px;
}
body.demain-service .svc-support-list li {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--text-dark);
  line-height: 1.85;
  padding: 13px 0;
  border-top: 1px solid rgba(15, 28, 46, 0.08);
}
body.demain-service .svc-support-list li:nth-child(-n+3) { border-top: none; }

body.demain-service .svc-service-outcome {
  border-left: 2px solid var(--gold);
  padding-left: 28px;
}
body.demain-service .svc-outcome-copy {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 0.98rem;
  color: #3a3f46;
  line-height: 1.9;
}
body.demain-service .svc-outcome-copy strong { font-weight: 500; color: var(--navy); }

/* --------------------------------------------------------------------------
   How We Work
   -------------------------------------------------------------------------- */
body.demain-service .svc-how { padding: 120px 40px; background: var(--white); }
body.demain-service .svc-how-intro {
  max-width: 620px;
  margin: 0 auto 56px;
  text-align: center;
  font-size: 0.92rem;
  color: #4a4f56;
  line-height: 1.9;
}
body.demain-service .svc-how-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(15, 28, 46, 0.14);
}
body.demain-service .svc-how-item {
  padding: 40px 32px;
  border-left: 1px solid rgba(15, 28, 46, 0.14);
}
body.demain-service .svc-how-item:first-child { border-left: none; padding-left: 4px; }
body.demain-service .svc-how-title {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  margin-bottom: 14px;
}
body.demain-service .svc-how-desc { font-size: 0.84rem; color: #4a4f56; line-height: 1.85; }

body.demain-service .svc-how-core, body.demain-service .svc-how-note {
  max-width: 560px;
  margin: 44px auto 0;
  text-align: center;
  font-size: 0.82rem;
  color: #8a8f96;
  line-height: 1.9;
}

/* --------------------------------------------------------------------------
   Talent Options
   -------------------------------------------------------------------------- */
body.demain-service .svc-options { padding: 120px 40px; background: var(--navy-dark); }
body.demain-service .svc-options-body {
  max-width: 620px;
  margin: 0 auto 56px;
  text-align: center;
  font-size: 0.92rem;
  color: rgba(247, 245, 240, 0.8);
  line-height: 1.95;
}
body.demain-service .svc-options-list {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(247, 245, 240, 0.14);
}
body.demain-service .svc-options-list li {
  padding: 28px 20px;
  border-left: 1px solid rgba(247, 245, 240, 0.14);
  text-align: center;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  color: rgba(247, 245, 240, 0.88);
}
body.demain-service .svc-options-list li:nth-child(4n+1) { border-left: none; }
body.demain-service .svc-options-list li:nth-child(-n+4) { border-top: none; padding-top: 0; }

/* --------------------------------------------------------------------------
   Diagnosis CTA
   -------------------------------------------------------------------------- */
body.demain-service .svc-diagnosis-cta {
  background: var(--navy-dark);
  padding: 110px 40px;
  text-align: center;
  border-top: 1px solid rgba(198, 168, 106, 0.15);
}
body.demain-service .svc-diagnosis-inner { max-width: 640px; margin: 0 auto; }
body.demain-service .svc-diagnosis-inner .eyebrow { justify-content: center; }
body.demain-service .svc-diagnosis-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  color: var(--off-white);
  line-height: 1.5;
  margin-bottom: 22px;
}
body.demain-service .svc-diagnosis-desc {
  color: rgba(247, 245, 240, 0.75);
  font-size: 0.92rem;
  line-height: 1.9;
  margin-bottom: 34px;
}

/* --------------------------------------------------------------------------
   Final CTA (For Business)
   -------------------------------------------------------------------------- */
body.demain-service .svc-final-cta { background: var(--navy); padding: 110px 40px; text-align: center; }
body.demain-service .svc-final-inner { max-width: 620px; margin: 0 auto; }
body.demain-service .svc-final-inner .eyebrow { justify-content: center; }
body.demain-service .svc-final-inner h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  line-height: 1.55;
  color: var(--off-white);
  margin-bottom: 26px;
}
body.demain-service .svc-final-inner p {
  font-size: 0.92rem;
  line-height: 1.9;
  color: rgba(247, 245, 240, 0.75);
  margin-bottom: 34px;
}

/* ==========================================================================
   Responsive — Tablet
   ========================================================================== */
@media (max-width: 1024px) {
  body.demain-service .svc-how-grid, body.demain-service .svc-options-list { grid-template-columns: repeat(2, 1fr); }
  body.demain-service .svc-support-list { grid-template-columns: repeat(2, 1fr); }
  body.demain-service .svc-support-list li:nth-child(-n+3) { border-top: 1px solid rgba(15, 28, 46, 0.08); }
  body.demain-service .svc-support-list li:nth-child(-n+2) { border-top: none; }
  body.demain-service .svc-options-list li:nth-child(4n+1) { border-left: 1px solid rgba(247, 245, 240, 0.14); }
  body.demain-service .svc-options-list li:nth-child(odd) { border-left: none; }
  body.demain-service .svc-options-list li:nth-child(-n+4) { border-top: 1px solid rgba(247, 245, 240, 0.14); padding-top: 28px; }
  body.demain-service .svc-options-list li:nth-child(-n+2) { border-top: none; padding-top: 0; }
  body.demain-service .svc-how-item:nth-child(odd) { border-left: none; padding-left: 4px; }
  body.demain-service .svc-how-item:nth-child(-n+2) { border-top: none; }
  body.demain-service .svc-how-item:nth-child(n+3) { border-top: 1px solid rgba(15, 28, 46, 0.14); }
}

/* ==========================================================================
   Responsive — Mobile
   ========================================================================== */
@media (max-width: 768px) {
  body.demain-service { --header-h: 64px; }

  body.demain-service .header-inner { padding: 0 20px; }
  body.demain-service .main-nav { display: none; }
  body.demain-service .header-right .btn-small { display: none; }
  body.demain-service .hamburger { display: flex; }
  body.demain-service .mobile-nav { display: flex; position: fixed; top: var(--header-h); left: 0; right: 0; }

  body.demain-service .svc-hero { padding: calc(var(--header-h) + 50px) 24px 70px; }
  body.demain-service .svc-hero-title { font-size: 1.7rem; }
  body.demain-service .svc-hero-desc br { display: none; }

  body.demain-service .svc-approach { padding: 70px 24px; }
  body.demain-service .svc-approach-points li { font-size: 0.95rem; line-height: 2; }
  body.demain-service .svc-flow { gap: 10px; }
  body.demain-service .svc-flow span:not(.svc-flow-arrow) { font-size: 0.92rem; }

  body.demain-service .svc-service { padding: 70px 24px; }
  body.demain-service .svc-service-title { margin-bottom: 30px; }
  body.demain-service .svc-service-body { margin-bottom: 36px; }
  body.demain-service .svc-service-support { padding-top: 32px; margin-bottom: 40px; }
  body.demain-service .svc-support-list { grid-template-columns: 1fr; }
  body.demain-service .svc-support-list li { border-top: 1px solid rgba(15, 28, 46, 0.08); }
  body.demain-service .svc-support-list li:first-child { border-top: none; }
  body.demain-service .svc-service-outcome { padding-left: 20px; }
  body.demain-service .svc-outcome-copy { font-size: 0.98rem; }

  body.demain-service .svc-how { padding: 70px 24px; }
  body.demain-service .svc-how-grid { grid-template-columns: 1fr; border-top: none; }
  body.demain-service .svc-how-item, body.demain-service .svc-how-item:first-child, body.demain-service .svc-how-item:nth-child(odd) {
    border-left: none;
    padding: 28px 4px;
    border-top: 1px solid rgba(15, 28, 46, 0.14);
  }
  body.demain-service .svc-how-grid .svc-how-item:first-child { border-top: none; padding-top: 0; }

  body.demain-service .svc-options { padding: 70px 24px; }
  body.demain-service .svc-options-body br { display: none; }
  body.demain-service .svc-options-list { grid-template-columns: 1fr; border-top: none; }
  body.demain-service .svc-options-list li, body.demain-service .svc-options-list li:nth-child(4n+1), body.demain-service .svc-options-list li:nth-child(odd) {
    border-left: none;
    border-top: 1px solid rgba(247, 245, 240, 0.14);
    padding: 22px 4px;
  }
  body.demain-service .svc-options-list li:first-child { border-top: none; padding-top: 0; }

  body.demain-service .svc-diagnosis-cta, body.demain-service .svc-final-cta { padding: 70px 24px; }

  body.demain-service .footer-top { flex-direction: column; align-items: flex-start; }
  body.demain-service .site-footer { padding: 50px 24px 24px; }
}
