/* ================================================================
   EVENT CAST — Casting & Event Produce
   Design : Luxury × Corporate × Entertainment
   Palette: Off-white 55 / Ink 25 / Charcoal 10 / Bronze 10
   ================================================================ */

:root{
  /* ------- ベース ------- */
  --white:        #ffffff;
  --off-white:    #f5f2ec;
  --paper:        #ebe7dd;
  --paper-deep:   #d9d3c3;

  /* ------- インク（暗めネイビー基調に変更） ------- */
  --ink:          #0d1b3d;   /* 深いネイビー・純黒の代替 */
  --ink-soft:     #1a2952;
  --charcoal:     #24365b;
  --gray-700:     #3d4a6b;
  --gray-500:     #6a7590;
  --gray-300:     #b8bcc8;
  --gray-200:     #d0d3db;
  --gray-100:     #eaebef;
  --line:         #d5cfc0;
  --line-strong:  #a89e88;

  /* ------- アクセント ------- */
  --bronze:       #a78860;
  --bronze-deep:  #7a6042;
  --bronze-light: #d8bf94;
  --bronze-pale:  #f0e5cf;
  --navy:         #0d1b3d;
  --navy-deep:    #050e22;

  /* ------- フォント ------- */
  --font-jp:      'Noto Serif JP', serif;
  --font-jp-sans: 'Noto Sans JP', sans-serif;
  --font-cn:      'Noto Serif SC', serif;
  --font-cn-sans: 'Noto Sans SC', sans-serif;
  --font-kr:      'Noto Serif KR', serif;
  --font-kr-sans: 'Noto Sans KR', sans-serif;
  --font-en:      'Inter Tight', 'Inter', sans-serif;
  --font-en-serif:'Cormorant Garamond', serif;

  --container: 1280px;
  --container-wide: 1440px;
  --gutter: 60px;
  --gutter-sm: 24px;

  --shadow-xs: 0 2px 12px rgba(10,10,10,.05);
  --shadow-sm: 0 8px 30px rgba(10,10,10,.08);
  --shadow-md: 0 20px 50px rgba(10,10,10,.12);

  --ease: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ================================================================
   Reset & Base
   ================================================================ */
*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; font-feature-settings:"palt"; }
body{
  font-family: var(--font-jp);
  color: var(--ink);
  background: var(--off-white);
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  font-size: 16px;
  font-weight: 400;
}
body.lang-cn{ font-family: var(--font-cn); }
body.lang-en{ font-family: var(--font-en); }
body.lang-kr{ font-family: var(--font-kr); }
img{ max-width:100%; height:auto; display:block; }
a{ color: inherit; text-decoration:none; transition: color .3s var(--ease); }
button{ font-family: inherit; cursor: pointer; border:none; background:none; padding:0; }
ul, ol{ list-style:none; }
::selection{ background: var(--ink); color: var(--off-white); }

em{ font-style: normal; color: var(--bronze-deep); font-weight: 500; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
@media (max-width: 768px){
  .container{ padding: 0 var(--gutter-sm); }
  :root{ --gutter: 24px; }
  body{ font-size: 15px; }
}

/* ================================================================
   HEADER
   ================================================================ */
.header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 0;
  transition: all .35s var(--ease);
  background: transparent;
}
.header.scrolled{
  background: rgba(245,242,236,.98);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
}
.header-inner{
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo{ display: flex; align-items: center; gap: 0; transition: opacity .3s; }
.logo:hover{ opacity: .75; }
.logo-text{ display: flex; flex-direction: column; line-height: 1.1; }
.logo-en{
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .2em;
  color: var(--off-white);
  text-shadow: 0 2px 20px rgba(0,0,0,.7);
  transition: color .35s, text-shadow .35s;
}
.logo-jp{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--bronze-light);
  margin-top: 6px;
  font-weight: 500;
  text-shadow: 0 1px 8px rgba(0,0,0,.5);
  transition: color .35s, text-shadow .35s;
}
.header.scrolled .logo-en{ color: var(--ink); text-shadow: none; }
.header.scrolled .logo-jp{ color: var(--bronze-deep); text-shadow: none; }
@media (max-width: 1200px){
  .logo-en{ font-size: 17px; letter-spacing: .15em; }
  .logo-jp{ font-size: 10px; }
}
@media (max-width: 768px){
  .logo-en{ font-size: 15px; letter-spacing: .12em; }
  .logo-jp{ font-size: 9px; letter-spacing: .08em; }
}

.nav{ display: flex; align-items: center; gap: 36px; }
.nav-list{ display: flex; gap: 28px; align-items: center; }
.nav-list a{
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--off-white);
  padding: 8px 0;
  position: relative;
  transition: color .3s;
  text-shadow: 0 1px 6px rgba(0,0,0,.5);
}
.nav-list a::after{
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--bronze-light);
  transition: right .35s var(--ease);
}
.nav-list a:hover{ color: var(--bronze-light); }
.nav-list a:hover::after{ right: 0; }
.header.scrolled .nav-list a{ color: var(--ink); text-shadow: none; }
.header.scrolled .nav-list a:hover{ color: var(--bronze-deep); }
.header.scrolled .nav-list a::after{ background: var(--ink); }

.header-right{ display: flex; align-items: center; gap: 20px; }

.lang-switch{
  display: flex; align-items: center; gap: 6px;
  padding-right: 20px;
  border-right: 1px solid rgba(255,255,255,.3);
  transition: border-color .35s;
}
.header.scrolled .lang-switch{ border-right-color: var(--gray-200); }
.lang-btn{
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  padding: 4px 6px;
  color: rgba(255,255,255,.85);
  transition: color .3s;
  cursor: pointer;
  text-shadow: 0 1px 4px rgba(0,0,0,.4);
}
.lang-btn:hover{ color: var(--bronze-light); }
.lang-btn.active{ color: var(--bronze-light); }
.lang-sep{ color: rgba(255,255,255,.4); font-size: 12px; }
.header.scrolled .lang-btn{ color: var(--gray-500); text-shadow: none; }
.header.scrolled .lang-btn.active{ color: var(--ink); }
.header.scrolled .lang-sep{ color: var(--gray-200); }

.nav-cta{
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  background: var(--off-white);
  color: var(--ink);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  transition: all .3s;
}
.nav-cta:hover{ background: var(--bronze); color: var(--ink); gap: 14px; }
.header.scrolled .nav-cta{ background: var(--ink); color: var(--off-white); }
.header.scrolled .nav-cta:hover{ background: var(--bronze-deep); color: var(--off-white); }

.hamburger{
  display: none;
  width: 44px; height: 44px;
  position: relative;
  z-index: 110;
  background: transparent;
  border: 1px solid rgba(255,255,255,.5);
}
.header.scrolled .hamburger{ border-color: var(--ink); background: var(--off-white); }
.hamburger span{
  display: block;
  position: absolute;
  left: 12px; right: 12px;
  height: 1px;
  background: var(--off-white);
  transition: transform .3s, top .3s, background .3s;
}
.header.scrolled .hamburger span{ background: var(--ink); }
.hamburger span:nth-child(1){ top: 18px; }
.hamburger span:nth-child(2){ top: 25px; }
.hamburger.active span:nth-child(1){ top: 21px; transform: rotate(45deg); }
.hamburger.active span:nth-child(2){ top: 21px; transform: rotate(-45deg); }

@media (max-width: 1080px){
  .hamburger{ display: block; }
  .nav{
    position: fixed;
    top: 0; right: -100%;
    width: 90%; max-width: 440px;
    height: 100vh;
    background: var(--off-white);
    padding: 100px 36px 40px;
    transition: right .4s var(--ease);
    box-shadow: -20px 0 60px rgba(10,10,10,.15);
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    overflow-y: auto;
  }
  .nav.open{ right: 0; }
  .nav-list{ flex-direction: column; gap: 0; align-items: stretch; }
  .nav-list li{ border-bottom: 1px solid var(--line); }
  .nav-list a{
    padding: 20px 0;
    font-size: 18px;
    color: var(--ink);
    text-shadow: none;
  }
  .header-right{ flex-direction: column; align-items: stretch; gap: 20px; margin-top: 12px; }
  .lang-switch{
    padding-right: 0; border-right: none;
    padding: 16px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    justify-content: center; gap: 12px;
  }
  .lang-btn{ color: var(--ink); font-size: 15px; padding: 6px 10px; text-shadow: none; }
  .lang-btn.active{ color: var(--bronze-deep); }
  .lang-sep{ color: var(--gray-300); font-size: 15px; }
  .nav-cta{ justify-content: center; padding: 18px 22px; }
}

/* ================================================================
   HERO — Grid縦構造で重なり完全回避
   ================================================================ */
.hero{
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  color: var(--off-white);
  padding: 140px 0 60px;
}
@media (max-width: 768px){
  .hero{ padding: 110px 0 50px; }
}
.hero-slider{ position: absolute; inset: 0; z-index: 0; }
.hero-slide{
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.6s var(--ease);
}
.hero-slide.active{ opacity: 1; z-index: 1; }
.hero-slide-bg{
  width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
}
.hero-slide.active .hero-slide-bg{ animation: heroZoom 10s ease-out forwards; }
@keyframes heroZoom{
  from{ transform: scale(1.06); }
  to  { transform: scale(1); }
}
.hero-overlay{
  position: absolute; inset: 0; z-index: 2;
  background:
    linear-gradient(180deg, rgba(13,27,61,.25) 0%, rgba(13,27,61,.7) 100%),
    linear-gradient(90deg, rgba(13,27,61,.6) 0%, rgba(13,27,61,.15) 100%);
}

.hero-overlay-deep{
  position: absolute; inset: 0; z-index: 2;
  background:
    linear-gradient(90deg, rgba(5,14,34,.9) 0%, rgba(13,27,61,.5) 60%, rgba(13,27,61,.25) 100%),
    linear-gradient(180deg, rgba(5,14,34,.4) 0%, rgba(13,27,61,.65) 100%);
}

/* Gridで確実に上・空き・下 に3行分ける */
.hero > .hero-slider,
.hero > .hero-controls,
.hero > .hero-progress-bar{
  position: absolute;
}
.hero > .hero-brandmark{ grid-row: 1; }
.hero > .hero-bottom{ grid-row: 3; }

/* 左上：巨大ブランド名（博報堂スタイル・Grid内） */
.hero-brandmark{
  position: relative;
  z-index: 3;
  padding: 0 var(--gutter);
  max-width: var(--container-wide);
  margin: 0 auto;
  width: 100%;
}

.brand-massive{
  font-family: var(--font-en);
  font-size: clamp(40px, 7vw, 108px);
  font-weight: 800;
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--off-white);
  margin-bottom: 20px;
  text-shadow: 0 4px 40px rgba(0,0,0,.7);
  word-break: keep-all;
  overflow-wrap: break-word;
  max-width: 900px;
}
.brand-massive .brand-line{
  display: block;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1.2s var(--ease-out) forwards;
  white-space: nowrap;
}
.brand-massive .brand-line.small{
  font-size: 70%;
  letter-spacing: 0;
  font-weight: 700;
}
.brand-massive .brand-line:nth-child(1){ animation-delay: .3s; }
.brand-massive .brand-line:nth-child(2){ animation-delay: .5s; }
.brand-massive .brand-line:nth-child(3){ animation-delay: .7s; }
.brand-massive-tag{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 22px;
  color: var(--bronze-light);
  letter-spacing: .18em;
  margin-bottom: 14px;
  opacity: 0;
  animation: fadeUp 1s .9s var(--ease-out) forwards;
  text-shadow: 0 2px 12px rgba(0,0,0,.5);
}
.brand-massive-parent{
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.85);
  letter-spacing: .2em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 1s 1.1s var(--ease-out) forwards;
  text-shadow: 0 2px 8px rgba(0,0,0,.6);
}

/* 下部：サブテキスト＋CTA（Grid内） */
.hero-bottom{
  position: relative;
  z-index: 3;
  padding: 0 var(--gutter);
  max-width: var(--container-wide);
  margin: 0 auto;
  width: 100%;
  grid-row: 2;
  align-self: end;
}
.hero-bottom-inner{ max-width: 640px; }

/* ========= モバイル対応 ========= */
@media (max-width: 1080px){
  .brand-massive{ font-size: clamp(44px, 9vw, 90px); }
  .brand-massive-tag{ font-size: 18px; }
}
@media (max-width: 768px){
  .hero-brandmark{ padding: 0 var(--gutter-sm); }
  .brand-massive{ font-size: clamp(38px, 11vw, 66px); margin-bottom: 20px; }
  .brand-massive .brand-line.small{ font-size: 66%; }
  .brand-massive-tag{ font-size: 15px; letter-spacing: .1em; margin-bottom: 10px; }
  .brand-massive-parent{ font-size: 10px; letter-spacing: .15em; }
  .hero-bottom{ padding: 30px var(--gutter-sm) 0; }
}
@media (max-width: 480px){
  .brand-massive{ font-size: clamp(34px, 13vw, 52px); margin-bottom: 16px; }
  .brand-massive .brand-line.small{ font-size: 62%; }
  .brand-massive-tag{ font-size: 13px; letter-spacing: .08em; }
  .brand-massive-parent{ font-size: 9px; letter-spacing: .1em; }
}

/* 旧hero-meta 非表示 */
.hero-meta{ display: none; }
@media (max-width: 768px){
  .hero-meta{ top: 100px; font-size: 10px; letter-spacing: .2em; }
  .hero-meta-r{ display: none; }
}

.hero-content, .hero-title, .hero-eyebrow{ display: none; }

.hero-sub{
  font-family: var(--font-jp);
  font-size: clamp(18px, 1.7vw, 22px);
  color: rgba(255,255,255,.95);
  line-height: 2;
  max-width: 640px;
  margin-bottom: 50px;
  letter-spacing: .05em;
  font-weight: 500;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1.2s 1.1s var(--ease-out) forwards;
  text-shadow: 0 2px 12px rgba(0,0,0,.6);
}
body.lang-cn .hero-sub{ font-family: var(--font-cn); }
body.lang-en .hero-sub{ font-family: var(--font-en); }
body.lang-kr .hero-sub{ font-family: var(--font-kr); }

.hero-cta{
  display: flex; gap: 16px; flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1.2s 1.4s var(--ease-out) forwards;
}

.hero-controls{
  position: absolute;
  right: var(--gutter);
  bottom: 20px;
  z-index: 3;
  display: flex; align-items: center; gap: 20px;
  color: var(--off-white);
}
@media (max-width: 768px){
  .hero-controls{ right: var(--gutter-sm); bottom: 18px; gap: 14px; }
  .hero-counter{ font-size: 11px; }
  .hero-dot{ width: 22px; }
  .hero-dot.active{ width: 38px; }
}
@media (max-width: 480px){
  .hero-controls{ display: none; }
}
.hero-dots{ display: flex; gap: 8px; }
.hero-dot{
  width: 28px; height: 1px;
  background: rgba(255,255,255,.35);
  cursor: pointer;
  transition: background .3s, width .3s, height .3s;
}
.hero-dot.active{ background: var(--bronze); width: 48px; height: 2px; }
.hero-counter{
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: .2em;
  color: rgba(255,255,255,.9);
  font-weight: 600;
  text-shadow: 0 1px 6px rgba(0,0,0,.5);
}
.hero-counter .counter-sep{ margin: 0 8px; color: rgba(255,255,255,.5); }
.hero-counter .counter-total{ color: rgba(255,255,255,.6); }
.hero-progress-bar{
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px;
  background: rgba(255,255,255,.15);
  z-index: 3;
}
.hero-progress-bar span{ display: block; height: 100%; background: var(--bronze); width: 0; transition: width .1s linear; }
.hero-scroll{
  position: absolute;
  bottom: 30px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: rgba(255,255,255,.7);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: .3em;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0;
  animation: fadeUp 1s 1.7s var(--ease-out) forwards;
}
.scroll-bar{ width: 1px; height: 40px; background: linear-gradient(to bottom, rgba(255,255,255,.7), transparent); animation: scroll-line 2.2s ease-in-out infinite; }
@keyframes scroll-line{ 0%,100%{ transform: scaleY(1); transform-origin: top; } 50%{ transform: scaleY(.2); transform-origin: bottom; } }
@keyframes fadeUp{ to{ opacity: 1; transform: translateY(0); } }
@media (max-width: 768px){
  .hero-content{ padding: 150px var(--gutter-sm) 120px; }
  .hero-eyebrow{ font-size: 15px; }
  .hero-controls{ right: var(--gutter-sm); bottom: 80px; }
  .hero-scroll{ display: none; }
}

/* ================================================================
   BUTTONS
   ================================================================ */
.btn{
  display: inline-flex;
  align-items: center; justify-content: center;
  gap: 12px;
  padding: 20px 36px;
  font-family: var(--font-jp-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .12em;
  border: 1px solid transparent;
  transition: all .3s var(--ease);
  cursor: pointer;
}
body.lang-cn .btn{ font-family: var(--font-cn-sans); }
body.lang-en .btn{ font-family: var(--font-en); }
body.lang-kr .btn{ font-family: var(--font-kr-sans); }
.btn svg{ transition: transform .3s; }
.btn:hover{ gap: 16px; }
.btn:hover svg{ transform: translateX(4px); }
.btn-primary{
  background: var(--bronze);
  color: var(--ink);
  border-color: var(--bronze);
}
.btn-primary:hover{
  background: var(--ink);
  color: var(--off-white);
  border-color: var(--ink);
}
.btn-outline-light{
  background: transparent;
  color: var(--off-white);
  border-color: rgba(255,255,255,.5);
}
.btn-outline-light:hover{
  background: var(--off-white);
  color: var(--ink);
  border-color: var(--off-white);
}
.btn-large{ padding: 24px 44px; font-size: 15px; }

/* ================================================================
   SECTION 共通
   ================================================================ */
.section{
  padding: 140px 0;
  position: relative;
}
@media (max-width: 768px){ .section{ padding: 90px 0; } }

.chapter-label{
  display: flex; align-items: baseline; gap: 20px;
  margin-bottom: 60px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.chapter-label.light{ color: rgba(255,255,255,.9); border-bottom-color: rgba(255,255,255,.15); }
.chapter-label .chap-num{
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--bronze-deep);
}
.chapter-label.light .chap-num{ color: var(--bronze-light); }
.chapter-label .chap-en{
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--ink);
  text-transform: uppercase;
}
.chapter-label.light .chap-en{ color: var(--off-white); }
.chapter-label .chap-jp{
  font-family: var(--font-jp);
  font-size: 13px;
  color: var(--gray-500);
  letter-spacing: .15em;
  margin-left: auto;
  font-weight: 500;
}
.chapter-label.light .chap-jp{ color: rgba(255,255,255,.65); }
body.lang-cn .chap-jp{ font-family: var(--font-cn); }
body.lang-en .chap-jp{ font-family: var(--font-en); }
body.lang-kr .chap-jp{ font-family: var(--font-kr); }
@media (max-width: 640px){
  .chapter-label{ flex-direction: column; gap: 6px; }
  .chapter-label .chap-jp{ margin-left: 0; }
}

.section-head-editorial{ margin-bottom: 90px; max-width: 900px; }
.section-title{
  font-family: var(--font-jp);
  font-size: clamp(30px, 4.2vw, 52px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .04em;
  color: var(--ink);
}
.section-title.light{ color: var(--off-white); }
.section-title em{ color: var(--bronze-deep); font-weight: 600; }
.section-title.light em{ color: var(--bronze-light); }
body.lang-cn .section-title{ font-family: var(--font-cn); }
body.lang-en .section-title{ font-family: var(--font-en); font-weight: 700; letter-spacing: 0; }
body.lang-kr .section-title{ font-family: var(--font-kr); }
.section-lead{
  font-family: var(--font-jp);
  font-size: 17px;
  color: var(--ink-soft);
  letter-spacing: .05em;
  line-height: 2.1;
  margin-top: 24px;
  max-width: 640px;
  font-weight: 500;
}
.section-lead.light{ color: rgba(255,255,255,.85); }
body.lang-cn .section-lead{ font-family: var(--font-cn); }
body.lang-en .section-lead{ font-family: var(--font-en); }
body.lang-kr .section-lead{ font-family: var(--font-kr); }

/* ================================================================
   ENTRY GATE (FOR CLIENTS / FOR CAST)
   ================================================================ */
.entry-gate{
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
  border-bottom: 1px solid var(--line);
  background: var(--off-white);
}
@media (max-width: 768px){
  .entry-gate{ grid-template-columns: 1fr; min-height: auto; }
}
.gate-side{
  position: relative;
  display: flex;
  align-items: center;
  padding: 80px 60px;
  overflow: hidden;
  transition: transform .5s var(--ease);
  text-decoration: none;
  color: inherit;
}
.gate-client{
  background: var(--off-white);
  color: var(--ink);
  border-right: 1px solid var(--line);
}
.gate-cast{
  background: var(--ink);
  color: var(--off-white);
}
@media (max-width: 768px){
  .gate-side{ padding: 60px 30px; min-height: 320px; }
  .gate-client{ border-right: none; border-bottom: 1px solid var(--line); }
}

/* ホバー時の装飾 */
.gate-side::after{
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity .4s;
  pointer-events: none;
  mix-blend-mode: multiply;
}
.gate-client:hover::after{ opacity: .04; }
.gate-cast:hover::after{ opacity: .12; }

/* 内部 */
.gate-inner{
  position: relative;
  z-index: 1;
  max-width: 500px;
}
.gate-en{
  display: block;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--bronze-deep);
  margin-bottom: 24px;
}
.gate-cast .gate-en{ color: var(--bronze-light); }

.gate-jp{
  font-family: var(--font-jp);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .05em;
  color: var(--ink);
  margin-bottom: 20px;
}
.gate-cast .gate-jp{ color: var(--off-white); }
body.lang-cn .gate-jp{ font-family: var(--font-cn); }
body.lang-en .gate-jp{ font-family: var(--font-en); font-weight: 700; }
body.lang-kr .gate-jp{ font-family: var(--font-kr); }

.gate-sub{
  font-family: var(--font-jp);
  font-size: 14px;
  color: var(--gray-500);
  letter-spacing: .05em;
  line-height: 1.9;
  margin-bottom: 40px;
  font-weight: 500;
}
.gate-cast .gate-sub{ color: rgba(255,255,255,.7); }
body.lang-cn .gate-sub{ font-family: var(--font-cn); }
body.lang-en .gate-sub{ font-family: var(--font-en); }
body.lang-kr .gate-sub{ font-family: var(--font-kr); }

.gate-arrow{
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 56px; height: 56px;
  border: 1px solid var(--bronze);
  border-radius: 50%;
  color: var(--bronze-deep);
  transition: background .3s, color .3s, transform .3s, gap .3s;
}
.gate-cast .gate-arrow{ color: var(--bronze-light); border-color: var(--bronze-light); }
.gate-side:hover .gate-arrow{
  background: var(--bronze);
  color: var(--ink);
  transform: translateX(8px);
}
.gate-cast:hover .gate-arrow{
  background: var(--bronze-light);
  color: var(--ink);
}

/* ================================================================
   02 ABOUT
   ================================================================ */
.section-about{ background: var(--off-white); }
.about-editorial{ max-width: 900px; }
.about-lead{
  font-family: var(--font-jp);
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: .05em;
  color: var(--ink);
  margin-bottom: 40px;
}
body.lang-cn .about-lead{ font-family: var(--font-cn); }
body.lang-en .about-lead{ font-family: var(--font-en); font-weight: 700; }
body.lang-kr .about-lead{ font-family: var(--font-kr); }
.about-body{
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 2.2;
  letter-spacing: .04em;
  margin-bottom: 24px;
  font-weight: 500;
}
body.lang-cn .about-body{ font-family: var(--font-cn); }
body.lang-en .about-body{ font-family: var(--font-en); }
body.lang-kr .about-body{ font-family: var(--font-kr); }

/* ================================================================
   代表者挨拶（Message）
   ================================================================ */
.section-message{ background: var(--paper); }
.section-message .container{ max-width: 1180px; }
.message-grid{
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 70px;
  align-items: stretch;
}
@media (max-width: 900px){
  .message-grid{ grid-template-columns: 1fr; gap: 40px; }
}
.message-photo{
  position: relative;
  overflow: hidden;
  min-height: 600px;
  border: 1px solid var(--line);
}
.message-photo img{
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 8s ease-out;
}
.message-photo:hover img{ transform: scale(1.04); }
@media (max-width: 900px){ .message-photo{ min-height: 400px; } }

.message-body{
  padding: 20px 0;
  display: flex; flex-direction: column; justify-content: center;
}
.quote-mark{
  font-family: var(--font-en-serif);
  font-size: 100px;
  line-height: .8;
  color: var(--bronze);
  margin-bottom: 10px;
  font-style: italic;
}
.message-title{
  font-family: var(--font-jp);
  font-size: clamp(26px, 3.4vw, 42px);
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: .06em;
  color: var(--ink);
  margin-bottom: 40px;
}
body.lang-cn .message-title{ font-family: var(--font-cn); }
body.lang-en .message-title{ font-family: var(--font-en); }
body.lang-kr .message-title{ font-family: var(--font-kr); }
.message-p{
  font-family: var(--font-jp);
  font-size: 16px;
  color: var(--ink);
  line-height: 2.1;
  letter-spacing: .05em;
  margin-bottom: 20px;
  font-weight: 500;
}
body.lang-cn .message-p{ font-family: var(--font-cn); }
body.lang-en .message-p{ font-family: var(--font-en); }
body.lang-kr .message-p{ font-family: var(--font-kr); }
.message-sig{
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--bronze);
}
.sig-role{
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  color: var(--bronze-deep);
  letter-spacing: .15em;
  margin-bottom: 6px;
}
.sig-name{
  font-family: var(--font-jp);
  font-size: 22px;
  color: var(--ink);
  letter-spacing: .15em;
  font-weight: 700;
}
body.lang-cn .sig-name{ font-family: var(--font-cn); }
body.lang-en .sig-name{ font-family: var(--font-en); font-weight: 700; }
body.lang-kr .sig-name{ font-family: var(--font-kr); }

/* ================================================================
   03 SERVICE
   ================================================================ */
.section-service{ background: var(--paper); }
.service-triad{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (max-width: 900px){ .service-triad{ grid-template-columns: 1fr; } }
.service-block{
  background: var(--off-white);
  padding: 48px 40px;
  transition: background .35s;
  position: relative;
}
.service-block:hover{ background: var(--white); }
.service-num{
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  color: var(--bronze-deep);
  letter-spacing: .15em;
  margin-bottom: 20px;
}
.service-en{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 24px;
  color: var(--bronze-deep);
  letter-spacing: .05em;
  margin-bottom: 8px;
}
.service-block .service-title{
  font-family: var(--font-jp);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .05em;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
body.lang-cn .service-block .service-title{ font-family: var(--font-cn); }
body.lang-en .service-block .service-title{ font-family: var(--font-en); }
body.lang-kr .service-block .service-title{ font-family: var(--font-kr); }
.service-desc{
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 2;
  margin-bottom: 24px;
  font-weight: 500;
  letter-spacing: .04em;
}
body.lang-cn .service-desc{ font-family: var(--font-cn); }
body.lang-en .service-desc{ font-family: var(--font-en); }
body.lang-kr .service-desc{ font-family: var(--font-kr); }
.service-list{
  font-family: var(--font-jp-sans);
  font-size: 14px;
  color: var(--ink);
  line-height: 2.4;
  font-weight: 500;
}
body.lang-cn .service-list{ font-family: var(--font-cn-sans); }
body.lang-en .service-list{ font-family: var(--font-en); }
body.lang-kr .service-list{ font-family: var(--font-kr-sans); }
.service-list li{
  padding-left: 18px;
  position: relative;
}
.service-list li::before{
  content: '';
  position: absolute;
  left: 0; top: 1.1em;
  width: 10px; height: 1px;
  background: var(--bronze);
}

/* ================================================================
   03.5 TRACK RECORD（実績）
   ================================================================ */
.section-track{ background: var(--paper); }

.track-stats{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 90px;
}
.stat-item{
  background: var(--off-white);
  padding: 44px 28px;
  text-align: center;
  transition: background .35s;
}
.stat-item:hover{ background: var(--white); }
.stat-en{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--bronze-deep);
  font-weight: 600;
  margin-bottom: 12px;
}
.stat-num{
  font-family: var(--font-en);
  font-size: clamp(38px, 5.2vw, 58px);
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
  letter-spacing: .02em;
  margin-bottom: 12px;
}
.stat-num span{
  font-size: .55em;
  color: var(--bronze-deep);
  margin-left: 2px;
  font-weight: 700;
}
.stat-jp{
  font-family: var(--font-jp);
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--ink);
  font-weight: 700;
}

.track-cases{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.case-card{
  background: var(--off-white);
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: 200px 1fr;
  overflow: hidden;
  transition: transform .5s cubic-bezier(.2,.7,.2,1), box-shadow .5s;
}
.case-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(13,27,61,.18);
}
.case-photo{
  background: linear-gradient(135deg, var(--ink) 0%, var(--navy-deep) 100%);
  color: var(--bronze-light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
  min-height: 220px;
}
.case-photo::before{
  content: attr(data-cat);
  position: absolute;
  top: 16px; left: 18px;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--bronze-light);
  font-weight: 800;
}
.case-photo span{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 28px;
  letter-spacing: .04em;
  color: var(--bronze-light);
  text-align: center;
  font-weight: 500;
}
.case-body{
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.case-num{
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .25em;
  color: var(--bronze-deep);
  margin-bottom: 12px;
}
.case-title{
  font-family: var(--font-jp);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 14px;
  letter-spacing: .04em;
}
body.lang-cn .case-title{ font-family: var(--font-cn); }
body.lang-en .case-title{ font-family: var(--font-en); letter-spacing: 0; }
body.lang-kr .case-title{ font-family: var(--font-kr); }
.case-desc{
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: .03em;
}
.case-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.case-meta span{
  font-size: 11.5px;
  padding: 5px 11px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 2px;
  letter-spacing: .08em;
  font-weight: 700;
}
.track-note{
  margin-top: 40px;
  font-size: 12.5px;
  color: var(--ink);
  font-weight: 500;
  text-align: center;
  letter-spacing: .05em;
}

/* タブレット */
@media (max-width: 900px){
  .track-stats{ grid-template-columns: repeat(2, 1fr); margin-bottom: 60px; }
  .track-cases{ grid-template-columns: 1fr; gap: 20px; }
  .case-card{ grid-template-columns: 140px 1fr; }
  .case-photo{ min-height: 100%; }
  .case-photo span{ font-size: 18px; }
}

/* スマホ */
@media (max-width: 640px){
  .track-stats{ grid-template-columns: 1fr 1fr; }
  .stat-item{ padding: 28px 16px; }
  .stat-num{ font-size: 36px; }
  .stat-en{ font-size: 11px; }
  .stat-jp{ font-size: 12px; }

  .case-card{ grid-template-columns: 1fr; }
  .case-photo{
    min-height: 140px;
    padding: 24px;
  }
  .case-photo span{ font-size: 20px; }
  .case-photo::before{ font-size: 10px; }
  .case-body{ padding: 24px 22px; }
  .case-title{ font-size: 17px; }
  .case-desc{ font-size: 13px; }

  .track-note{ font-size: 11px; padding: 0 8px; }
}

/* ================================================================
   04 USE CASE
   ================================================================ */
.section-usecase{ background: var(--ink); color: var(--off-white); }
.usecase-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.1);
}
@media (max-width: 900px){ .usecase-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px){ .usecase-grid{ grid-template-columns: 1fr; } }
.usecase-card{
  background: var(--ink);
  padding: 40px 24px;
  text-align: left;
  transition: background .3s;
  cursor: default;
}
.usecase-card:hover{ background: var(--ink-soft); }
.usecase-num{
  display: block;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: var(--bronze-light);
  letter-spacing: .15em;
  margin-bottom: 16px;
}
.usecase-en{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 22px;
  color: var(--off-white);
  letter-spacing: .05em;
  margin-bottom: 6px;
}
.usecase-jp{
  font-family: var(--font-jp);
  font-size: 15px;
  color: var(--bronze-light);
  letter-spacing: .05em;
  font-weight: 500;
}
body.lang-cn .usecase-jp{ font-family: var(--font-cn); }
body.lang-en .usecase-jp{ font-family: var(--font-en); }
body.lang-kr .usecase-jp{ font-family: var(--font-kr); }

/* ================================================================
   05 PROCESS
   ================================================================ */
.section-process{ background: var(--off-white); }
.process-steps{
  display: flex; flex-direction: column;
  border-top: 1px solid var(--line-strong);
}
.process-step{
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 40px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  transition: background .3s, padding-left .3s;
}
.process-step:hover{ background: var(--paper); padding-left: 20px; }
.proc-num{
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 800;
  color: var(--bronze-deep);
  letter-spacing: -.01em;
  line-height: 1;
}
.proc-body{}
.proc-en{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--bronze-deep);
  letter-spacing: .1em;
  margin-bottom: 6px;
}
.proc-title{
  font-family: var(--font-jp);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .05em;
  margin-bottom: 8px;
}
body.lang-cn .proc-title{ font-family: var(--font-cn); }
body.lang-en .proc-title{ font-family: var(--font-en); }
body.lang-kr .proc-title{ font-family: var(--font-kr); }
.proc-desc{
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.9;
  letter-spacing: .04em;
  font-weight: 500;
}
body.lang-cn .proc-desc{ font-family: var(--font-cn); }
body.lang-en .proc-desc{ font-family: var(--font-en); }
body.lang-kr .proc-desc{ font-family: var(--font-kr); }
@media (max-width: 640px){
  .process-step{ grid-template-columns: 1fr; gap: 12px; }
  .proc-num{ font-size: 26px; }
}

/* ================================================================
   06 FOR CLIENT
   ================================================================ */
.section-forclient{ background: var(--paper); }
.issue-list{
  border-top: 1px solid var(--line-strong);
  margin-bottom: 80px;
}
.issue-item{
  display: flex; gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.issue-mark{
  font-family: var(--font-en);
  color: var(--bronze-deep);
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
}
.issue-item p{
  font-family: var(--font-jp);
  font-size: 17px;
  color: var(--ink);
  line-height: 1.9;
  letter-spacing: .04em;
  font-weight: 500;
}
body.lang-cn .issue-item p{ font-family: var(--font-cn); }
body.lang-en .issue-item p{ font-family: var(--font-en); }
body.lang-kr .issue-item p{ font-family: var(--font-kr); }
.solution-block{
  background: var(--ink);
  color: var(--off-white);
  padding: 60px 50px;
  text-align: left;
}
.solution-en{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--bronze-light);
  letter-spacing: .2em;
  margin-bottom: 20px;
}
.solution-title{
  font-family: var(--font-jp);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--off-white);
  letter-spacing: .05em;
  line-height: 1.5;
  margin-bottom: 20px;
}
body.lang-cn .solution-title{ font-family: var(--font-cn); }
body.lang-en .solution-title{ font-family: var(--font-en); }
body.lang-kr .solution-title{ font-family: var(--font-kr); }
.solution-body{
  font-size: 16px;
  color: rgba(255,255,255,.85);
  line-height: 2;
  letter-spacing: .04em;
  margin-bottom: 40px;
  font-weight: 500;
}
body.lang-cn .solution-body{ font-family: var(--font-cn); }
body.lang-en .solution-body{ font-family: var(--font-en); }
body.lang-kr .solution-body{ font-family: var(--font-kr); }
@media (max-width: 640px){ .solution-block{ padding: 40px 26px; } }

/* ================================================================
   07 FOR CAST
   ================================================================ */
.section-forcast{
  background: var(--ink);
  color: var(--off-white);
  position: relative;
  overflow: hidden;
}
.section-forcast::before{
  content: '';
  position: absolute;
  right: -100px; top: 200px;
  width: 500px; height: 700px;
  background-image: url('images/bridal.jpg');
  background-size: cover;
  background-position: center;
  opacity: .12;
  filter: grayscale(30%);
  z-index: 0;
  pointer-events: none;
}
.section-forcast .container{ position: relative; z-index: 1; }
.cast-values{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}
@media (max-width: 900px){ .cast-values{ grid-template-columns: 1fr; } }
.cast-value{
  background: rgba(255,255,255,.04);
  padding: 40px 32px;
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(6px);
  transition: background .3s, border-color .3s;
}
.cast-value:hover{ background: rgba(255,255,255,.08); border-color: var(--bronze); }
.val-en{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--bronze-light);
  letter-spacing: .15em;
  margin-bottom: 16px;
}
.val-title{
  font-family: var(--font-jp);
  font-size: 22px;
  font-weight: 700;
  color: var(--off-white);
  margin-bottom: 16px;
  letter-spacing: .05em;
}
body.lang-cn .val-title{ font-family: var(--font-cn); }
body.lang-en .val-title{ font-family: var(--font-en); }
body.lang-kr .val-title{ font-family: var(--font-kr); }
.val-desc{
  font-size: 14px;
  color: rgba(255,255,255,.75);
  line-height: 1.9;
  letter-spacing: .04em;
  font-weight: 500;
}
body.lang-cn .val-desc{ font-family: var(--font-cn); }
body.lang-en .val-desc{ font-family: var(--font-en); }
body.lang-kr .val-desc{ font-family: var(--font-kr); }
.cast-cta{ text-align: center; }

/* ================================================================
   08 COMPANY
   ================================================================ */
.section-company{ background: var(--off-white); }
.company-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
@media (max-width: 900px){ .company-grid{ grid-template-columns: 1fr; gap: 40px; } }
.company-brand,
.company-parent{}
.company-parent{
  padding-top: 30px;
  border-top: 3px solid var(--bronze);
  background: var(--paper);
  padding: 32px 30px 40px;
}
.company-brand{
  background: var(--ink);
  color: var(--off-white);
  padding: 32px 30px 40px;
}
.parent-en{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--bronze-deep);
  letter-spacing: .2em;
  margin-bottom: 12px;
}
.brand-title{
  font-family: var(--font-en);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: .15em;
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.company-parent .brand-title{
  color: var(--ink);
  border-bottom-color: var(--line-strong);
  font-family: var(--font-jp);
  font-size: 22px;
  letter-spacing: .1em;
  font-weight: 700;
}
body.lang-cn .company-parent .brand-title{ font-family: var(--font-cn); }
body.lang-en .company-parent .brand-title{ font-family: var(--font-en); }
body.lang-kr .company-parent .brand-title{ font-family: var(--font-kr); }
.company-table > div{
  display: grid;
  grid-template-columns: 110px 1fr;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  gap: 20px;
  align-items: baseline;
}
.company-parent .company-table > div{ border-bottom-color: var(--line); }
.company-table dt{
  font-family: var(--font-jp-sans);
  font-size: 12px;
  font-weight: 700;
  color: var(--bronze-light);
  letter-spacing: .15em;
}
.company-parent .company-table dt{ color: var(--bronze-deep); }
body.lang-cn .company-table dt{ font-family: var(--font-cn-sans); }
body.lang-en .company-table dt{ font-family: var(--font-en); }
body.lang-kr .company-table dt{ font-family: var(--font-kr-sans); }
.company-table dd{
  font-family: var(--font-jp);
  font-size: 14px;
  color: var(--off-white);
  line-height: 1.75;
  letter-spacing: .03em;
  font-weight: 500;
}
.company-parent .company-table dd{ color: var(--ink); }
body.lang-cn .company-table dd{ font-family: var(--font-cn); }
body.lang-en .company-table dd{ font-family: var(--font-en); }
body.lang-kr .company-table dd{ font-family: var(--font-kr); }
.company-table dd a{
  color: var(--bronze-light);
  border-bottom: 1px solid var(--bronze);
  padding-bottom: 1px;
}
.company-parent .company-table dd a{ color: var(--bronze-deep); }
@media (max-width: 640px){
  .company-table > div{ grid-template-columns: 1fr; gap: 4px; padding: 12px 0; }
}

/* ================================================================
   09 CONTACT
   ================================================================ */
.section-contact{
  background: var(--ink);
  color: var(--off-white);
}
.contact-tabs{
  display: flex; gap: 4px;
  margin-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.tab-btn{
  flex: 1;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: rgba(255,255,255,.6);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color .3s, border-color .3s;
  text-align: center;
}
.tab-btn:hover{ color: var(--off-white); }
.tab-btn.active{ color: var(--bronze-light); border-bottom-color: var(--bronze); }
.tab-en{
  display: block;
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 18px;
  margin-bottom: 4px;
}
.tab-jp{
  display: block;
  font-family: var(--font-jp);
  font-size: 13px;
  letter-spacing: .1em;
  font-weight: 500;
}
body.lang-cn .tab-jp{ font-family: var(--font-cn); }
body.lang-en .tab-jp{ font-family: var(--font-en); }
body.lang-kr .tab-jp{ font-family: var(--font-kr); }

.contact-form{
  background: var(--off-white);
  color: var(--ink);
  padding: 52px 44px;
  border-top: 3px solid var(--bronze);
  max-width: 780px;
  margin: 0 auto 40px;
}
@media (max-width: 768px){ .contact-form{ padding: 32px 24px; } }
.form-row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
@media (max-width: 640px){ .form-row{ grid-template-columns: 1fr; gap: 0; } }
.form-field{ display: block; margin-bottom: 22px; }
.form-label{
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-jp-sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: .1em;
}
body.lang-cn .form-label{ font-family: var(--font-cn-sans); }
body.lang-en .form-label{ font-family: var(--font-en); }
body.lang-kr .form-label{ font-family: var(--font-kr-sans); }
.form-label em{
  font-style: normal;
  font-size: 10px;
  background: var(--ink);
  color: var(--off-white);
  padding: 3px 8px;
  font-weight: 600;
  letter-spacing: .05em;
}
.form-field input,
.form-field select,
.form-field textarea{
  width: 100%;
  padding: 15px 16px;
  border: 1px solid var(--line-strong);
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--white);
  transition: border-color .25s, background .25s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline: none;
  border-color: var(--bronze);
  background: var(--paper);
}
.form-field textarea{ resize: vertical; line-height: 1.8; min-height: 140px; }
.form-check{
  display: flex; align-items: center; gap: 10px;
  font-size: 13px;
  color: var(--ink-soft);
  margin: 24px 0 30px;
  cursor: pointer;
}
.form-check input{ width: 18px; height: 18px; accent-color: var(--ink); }
.contact-form .btn{
  display: flex;
  margin: 0 auto;
  min-width: 260px;
  background: var(--ink);
  color: var(--off-white);
  border-color: var(--ink);
}
.contact-form .btn:hover{ background: var(--bronze); color: var(--ink); border-color: var(--bronze); }

.contact-alt{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 780px;
  margin: 0 auto;
}
@media (max-width: 640px){ .contact-alt{ grid-template-columns: 1fr; } }
.alt-item{
  padding: 24px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  text-align: left;
}
.alt-en{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--bronze-light);
  letter-spacing: .2em;
  margin-bottom: 10px;
}
.alt-value{
  font-family: var(--font-en);
  font-size: 20px;
  color: var(--off-white);
  font-weight: 500;
  letter-spacing: .02em;
  margin-bottom: 6px;
}
.alt-small{ font-size: 13px; word-break: break-all; }
.alt-value a{ color: inherit; border-bottom: 1px solid rgba(255,255,255,.3); }
.alt-value a:hover{ border-bottom-color: var(--bronze); color: var(--bronze-light); }
.alt-sub{
  font-size: 11px;
  color: rgba(255,255,255,.55);
  letter-spacing: .1em;
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer{
  background: var(--navy-deep);
  color: rgba(255,255,255,.75);
  padding: 70px 0 0;
}
.footer-inner{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  gap: 30px;
  flex-wrap: wrap;
}
.footer-logo{
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: .22em;
  color: var(--off-white);
  margin-bottom: 8px;
}
.footer-tagline{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--bronze-light);
  letter-spacing: .15em;
  margin-bottom: 16px;
}
.footer-parent{
  font-size: 12px;
  color: rgba(255,255,255,.55);
  letter-spacing: .08em;
  font-family: var(--font-en);
}
.footer-nav{ display: flex; gap: 28px; flex-wrap: wrap; }
.footer-nav a{
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.7);
  letter-spacing: .12em;
  padding: 4px 0;
  transition: color .3s;
}
.footer-nav a:hover{ color: var(--bronze-light); }
.footer-copy{ padding: 24px 0; background: #030814; }
.footer-copy-inner{
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px;
  color: rgba(255,255,255,.4);
  letter-spacing: .1em;
  font-family: var(--font-en);
}
.footer-lang{ letter-spacing: .3em; }
@media (max-width: 640px){
  .footer-copy-inner{ flex-direction: column; gap: 8px; text-align: center; }
}

/* ================================================================
   キャスト一覧（Talent Roster）
   ================================================================ */
.section-roster{ background: var(--off-white); }
.roster-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 900px){ .roster-grid{ grid-template-columns: repeat(3, 1fr); gap: 16px; } }
@media (max-width: 640px){ .roster-grid{ grid-template-columns: repeat(2, 1fr); gap: 14px; } }
@media (max-width: 400px){ .roster-grid{ grid-template-columns: 1fr; } }

.roster-card{
  background: var(--white);
  border: 1px solid var(--line);
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
  overflow: hidden;
}
.roster-card:hover{
  transform: translateY(-6px);
  border-color: var(--bronze);
  box-shadow: var(--shadow-md);
}
.roster-photo{
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--navy) 0%, var(--charcoal) 100%);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.roster-photo::after{
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(13,27,61,.3) 100%);
}
.roster-photo.has-image{ background-color: transparent; }
.roster-photo span{
  font-family: var(--font-en);
  font-size: 56px;
  font-weight: 800;
  color: var(--bronze-light);
  letter-spacing: -.02em;
  position: relative;
  z-index: 1;
}
.roster-body{
  padding: 22px 22px 26px;
}
.roster-role{
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--bronze-deep);
  letter-spacing: .12em;
  margin-bottom: 8px;
}
.roster-name{
  font-family: var(--font-jp);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .05em;
  margin-bottom: 14px;
}
body.lang-cn .roster-name{ font-family: var(--font-cn); }
body.lang-en .roster-name{ font-family: var(--font-en); }
body.lang-kr .roster-name{ font-family: var(--font-kr); }
.roster-tags{
  display: flex; gap: 6px; flex-wrap: wrap;
}
.roster-tags span{
  font-family: var(--font-jp-sans);
  font-size: 11px;
  color: var(--gray-500);
  letter-spacing: .05em;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--off-white);
}
body.lang-cn .roster-tags span{ font-family: var(--font-cn-sans); }
body.lang-en .roster-tags span{ font-family: var(--font-en); }
body.lang-kr .roster-tags span{ font-family: var(--font-kr-sans); }
.roster-note{
  margin-top: 30px;
  text-align: right;
  font-size: 12px;
  color: var(--gray-500);
  letter-spacing: .05em;
}

/* ================================================================
   参入企業ロゴ（Clients）
   ================================================================ */
.section-clients-logos{ background: var(--paper); }
.clients-logos-grid{
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (max-width: 1080px){ .clients-logos-grid{ grid-template-columns: repeat(5, 1fr); } }
@media (max-width: 900px){ .clients-logos-grid{ grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 640px){ .clients-logos-grid{ grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 400px){ .clients-logos-grid{ grid-template-columns: repeat(2, 1fr); } }

.client-logo-cell{
  background: var(--white);
  aspect-ratio: 3/2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: background .3s;
  overflow: hidden;
}
.client-logo-cell:hover{ background: var(--bronze-pale); }
.client-logo-cell img{
  max-width: 100%;
  max-height: 70%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: .85;
  transition: filter .3s, opacity .3s;
}
.client-logo-cell:hover img{ filter: grayscale(0%); opacity: 1; }
.client-name-text{
  font-family: var(--font-jp);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .05em;
  text-align: center;
  line-height: 1.4;
}
body.lang-cn .client-name-text{ font-family: var(--font-cn); }
body.lang-en .client-name-text{ font-family: var(--font-en); }
body.lang-kr .client-name-text{ font-family: var(--font-kr); }
@media (max-width: 640px){
  .client-logo-cell{ padding: 16px; }
  .client-name-text{ font-size: 11px; }
}

/* ================================================================
   全体的なスマホ最適化（追加）
   ================================================================ */
@media (max-width: 768px){
  .section{ padding: 70px 0; }

  /* Chapter label */
  .chapter-label{
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding-bottom: 16px;
    margin-bottom: 40px;
  }
  .chapter-label .chap-en{ font-size: 18px; letter-spacing: .12em; }
  .chapter-label .chap-jp{ margin-left: 0; font-size: 12px; letter-spacing: .1em; }

  /* Section title */
  .section-title{ font-size: 26px; line-height: 1.5; letter-spacing: .04em; }
  .section-lead{ font-size: 14px; line-height: 1.9; }
  .section-head-editorial{ margin-bottom: 50px; }

  /* About */
  .about-lead{ font-size: 22px; line-height: 1.7; margin-bottom: 30px; }
  .about-body{ font-size: 15px; line-height: 2; }

  /* Message */
  .section-message .container{ padding: 0 var(--gutter-sm); }
  .message-grid{ gap: 30px; }
  .message-photo{ min-height: 320px; }
  .message-title{ font-size: 22px; line-height: 1.65; margin-bottom: 24px; }
  .quote-mark{ font-size: 60px; }
  .message-p{ font-size: 14px; line-height: 2; margin-bottom: 16px; }
  .sig-name{ font-size: 18px; }
  .sig-role{ font-size: 11px; }

  /* Service triad */
  .service-block{ padding: 32px 24px; }
  .service-block .service-title{ font-size: 22px; margin-bottom: 18px; padding-bottom: 18px; }
  .service-desc{ font-size: 14px; line-height: 1.9; }
  .service-list{ font-size: 13px; }
  .service-num{ font-size: 12px; }
  .service-en{ font-size: 20px; }

  /* Use Case */
  .usecase-card{ padding: 28px 20px; }
  .usecase-num{ font-size: 11px; margin-bottom: 10px; }
  .usecase-en{ font-size: 18px; }
  .usecase-jp{ font-size: 13px; }

  /* Process */
  .process-step{ padding: 24px 0; }
  .proc-num{ font-size: 22px; }
  .proc-title{ font-size: 18px; line-height: 1.5; }
  .proc-desc{ font-size: 13px; }
  .proc-en{ font-size: 12px; }

  /* For Client */
  .issue-item{ padding: 18px 0; gap: 12px; }
  .issue-item p{ font-size: 15px; line-height: 1.8; }
  .solution-block{ padding: 36px 24px; }
  .solution-en{ font-size: 14px; margin-bottom: 12px; }
  .solution-title{ font-size: 22px; line-height: 1.5; margin-bottom: 16px; }
  .solution-body{ font-size: 14px; line-height: 1.9; margin-bottom: 28px; }

  /* For Cast */
  .cast-value{ padding: 32px 24px; }
  .val-title{ font-size: 20px; }
  .val-desc{ font-size: 13px; }
  .val-en{ font-size: 13px; }

  /* Company */
  .company-brand, .company-parent{ padding: 28px 22px 32px; }
  .brand-title{ font-size: 20px; margin-bottom: 20px; padding-bottom: 12px; letter-spacing: .12em; }
  .company-parent .brand-title{ font-size: 18px; }
  .company-table dt{ font-size: 11px; }
  .company-table dd{ font-size: 13px; line-height: 1.7; }

  /* Contact */
  .contact-tabs{ flex-direction: column; gap: 0; margin-bottom: 32px; border-bottom: none; }
  .tab-btn{
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,.15);
    text-align: left;
  }
  .tab-btn.active{ border-bottom-color: var(--bronze); }
  .tab-en{ font-size: 16px; }
  .tab-jp{ font-size: 12px; }
  .contact-form{ padding: 32px 22px; }
  .form-field input, .form-field select, .form-field textarea{ font-size: 16px; padding: 14px 14px; }
  .contact-alt{ gap: 12px; }
  .alt-item{ padding: 20px; }
  .alt-en{ font-size: 12px; margin-bottom: 8px; }
  .alt-value{ font-size: 18px; }
  .alt-small{ font-size: 12px; }
  .alt-sub{ font-size: 10px; }

  /* Footer */
  .footer{ padding: 50px 0 0; }
  .footer-inner{ gap: 24px; padding-bottom: 32px; }
  .footer-logo{ font-size: 24px; letter-spacing: .18em; }
  .footer-tagline{ font-size: 12px; margin-bottom: 10px; }
  .footer-parent{ font-size: 11px; }
  .footer-nav{ gap: 14px 20px; }
  .footer-nav a{ font-size: 12px; letter-spacing: .1em; }
  .footer-copy{ padding: 20px 0; }
  .footer-copy-inner{ font-size: 10px; }

  /* Entry Gate */
  .gate-side{ padding: 48px 26px; min-height: 280px; }
  .gate-en{ font-size: 12px; letter-spacing: .25em; margin-bottom: 16px; }
  .gate-jp{ font-size: 22px; line-height: 1.5; margin-bottom: 14px; }
  .gate-sub{ font-size: 13px; margin-bottom: 28px; }
  .gate-arrow{ width: 44px; height: 44px; }

  /* Buttons */
  .btn{ padding: 16px 24px; font-size: 13px; letter-spacing: .1em; }
  .btn-large{ padding: 18px 32px; font-size: 14px; }
  .hero-cta{ flex-direction: column; }
  .hero-cta .btn{ width: 100%; justify-content: center; }

  /* Hero sub */
  .hero-sub{ font-size: 15px; line-height: 1.9; margin-bottom: 24px; }
}

@media (max-width: 480px){
  .section{ padding: 60px 0; }
  .about-lead{ font-size: 20px; }
  .section-title{ font-size: 22px; }
  .message-title{ font-size: 19px; }
  .service-block .service-title{ font-size: 20px; }
  .brand-title{ font-size: 18px; letter-spacing: .1em; word-break: break-all; }
  .company-parent .brand-title{ font-size: 16px; }
  .gate-jp{ font-size: 19px; }
  .alt-value{ font-size: 16px; }
  .btn{ padding: 14px 20px; font-size: 12px; }
  .btn-large{ padding: 16px 26px; font-size: 13px; }
  .form-label{ font-size: 12px; letter-spacing: .08em; }
  .form-check{ font-size: 12px; }
}

/* iOS Safari の viewport 補正 */
@supports (-webkit-touch-callout: none){
  .hero{ min-height: -webkit-fill-available; }
}

/* ================================================================
   REVEAL
   ================================================================ */
.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
.reveal.in-view{ opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce){
  .hero-slide-bg{ animation: none; }
  .scroll-bar{ animation: none; }
  .hero-eyebrow, .hero-title, .hero-sub, .hero-cta, .hero-scroll, .hero-title .line{
    opacity: 1; transform: none; animation: none;
  }
  .reveal{ opacity: 1; transform: none; }
}