/* ==========================================================================
   ボイシル(Voicil) コーポレートサイト / 共通スタイルシート v3
   - カラー: ダーク面はブラックベース(#0B0B10系)+シアンアクセント。
     ネイビー(#141299)は白地でのテキスト・ボタン・ブランド要素に限定。
   - フォント: Noto Sans JP に統一(ウェイト差で階調を作る)
   - ボタン: 丸み(ピル型)の一般的なデザインでクリックしやすさを優先
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+JP:wght@700;900&family=Noto+Sans+JP:wght@400;500;700;900&display=swap');

:root{
  /* --- brand --- */
  --navy:       #141299;
  --navy-deep:  #0E0C73;
  --cyan:       #32D8FE;
  --blue-mid:   #2B4DC9;
  --blue-sky:   #3495EA;

  /* --- dark base(ブラック基調) --- */
  --dark:       #0B0B10;
  --dark-2:     #12121A;
  --dark-line:  rgba(255,255,255,.1);

  /* --- neutral --- */
  --ink:        #16161F;
  --muted:      #555B6E;
  --faint:      #8E94A6;
  --paper:      #FFFFFF;
  --mist:       #F5F7FC;
  --mist-2:     #EBEFF9;
  --line:       #E3E7F3;

  /* --- type: Noto Sans JP に統一 --- */
  --f-body: 'Noto Sans JP', 'Hiragino Sans', sans-serif;

  /* --- shape --- */
  --notch: 26px;
  --notch-sm: 12px;
  --radius: 10px;
  --radius-pill: 100px;
  --shadow: 0 32px 64px -32px rgba(11,11,16,.4);
  --shadow-sm: 0 14px 32px -16px rgba(11,11,16,.22);
  --shadow-card: 0 2px 6px rgba(16,16,31,.04), 0 18px 40px -24px rgba(20,18,153,.12);

  --container: 1160px;

  --fs-h1: clamp(34px, 4.6vw, 54px);
  --fs-h2: clamp(26px, 3.2vw, 38px);
  --fs-h3: 18px;
  --fs-body: 15.5px;

  --sec-pad: clamp(72px, 10vw, 128px);
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--f-body);
  font-size: var(--fs-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--f-body); margin:0; line-height:1.45; letter-spacing:.01em; }
p{ margin:0; }
button{ font-family: inherit; cursor:pointer; }
:focus-visible{ outline: 3px solid var(--cyan); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
}

.container{ max-width: var(--container); margin:0 auto; padding: 0 28px; }
.container-narrow{ max-width: 800px; margin:0 auto; padding:0 28px; }

/* ---------- Eyebrow ---------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-size:12px; font-weight:700;
  letter-spacing:.16em; color: var(--blue-mid); text-transform:uppercase;
}
.eyebrow::before{
  content:""; width:22px; height:2px; background: var(--cyan); display:inline-block;
}

/* ---------- Notch(主要ビジュアル・帯のみ。ボタンには使わない) ---------- */
.notched{
  clip-path: polygon(0 0, calc(100% - var(--notch)) 0, 100% var(--notch),
    100% 100%, var(--notch) 100%, 0 calc(100% - var(--notch)));
}
.notched-sm{
  clip-path: polygon(0 0, calc(100% - var(--notch-sm)) 0, 100% var(--notch-sm),
    100% 100%, var(--notch-sm) 100%, 0 calc(100% - var(--notch-sm)));
}
.card.notched-sm, .mvv-card.notched-sm{ clip-path:none; }
/* v3: ボタンはノッチを解除し、丸み(ピル型)を優先 */
.btn.notched-sm{ clip-path:none; }

/* ---------- Buttons(丸み・クリックしやすさ重視) ---------- */
.btn{
  position:relative;
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  min-height: 52px;
  padding: 14px 36px;
  font-weight:700; font-size:15px;
  letter-spacing:.03em; border:none;
  border-radius: var(--radius-pill);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary{ background: var(--navy); color:#fff; }
.btn-primary::after{ content:"→"; transition: transform .2s ease; }
.btn-primary:hover{
  background: var(--navy-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -10px rgba(20,18,153,.45);
}
.btn-primary:hover::after{ transform: translateX(4px); }
.btn-ghost{
  background:#fff; color:var(--navy);
  border:1.5px solid var(--line);
}
.btn-ghost:hover{ border-color: var(--navy); background: rgba(20,18,153,.04); transform: translateY(-2px); }
.btn-block{ width:100%; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background: #fff;
  border-bottom:1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between; height:84px;
}
.site-header .btn{ min-height:46px; padding: 11px 28px; font-size:14px; }
.brand{ display:flex; align-items:center; gap:13px; }
.brand-logo{ width:42px; height:42px; }
.brand-logo-ph{ width:42px; height:42px; flex:none; }
.brand-name{
  font-family: 'IBM Plex Sans JP', sans-serif;
  font-weight:900;
  font-size:20px;
  color:#1F2937;
  line-height:1.2;
}
.brand-tagline{
  font-family: 'Noto Sans JP', sans-serif;
  color:#6B7280;
  font-weight:500;
  font-size:10.5px;
  display:block;
  letter-spacing:.14em;
  margin-top:3px;
}
.brand-tagline-accent{
  color:#1D4ED8;
}

.nav-desktop{ display:flex; align-items:center; gap:40px; }
.nav-links{ display:flex; gap:34px; font-weight:500; font-size:15px; }
.nav-links a{ position:relative; padding:8px 0; color:var(--ink); transition: color .2s ease; }
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:2px; height:2px; width:0;
  background: var(--cyan); transition: width .25s ease;
}
.nav-links a:hover{ color: var(--navy); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{ width:100%; }
.nav-links a[aria-current="page"]{ color:var(--navy); font-weight:700; }

.nav-toggle{
  display:none; background:none; border:none; width:44px; height:44px; position:relative;
}
.nav-toggle span{
  position:absolute; left:50%; width:22px; height:2px; background:var(--ink);
  transform: translateX(-50%);
  transition: transform .22s ease, opacity .22s ease, background .22s ease;
}
.nav-toggle span:nth-child(1){ top:13px; }
.nav-toggle span:nth-child(2){ top:21px; }
.nav-toggle span:nth-child(3){ top:29px; }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ top:21px; transform: translateX(-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ top:21px; transform: translateX(-50%) rotate(-45deg); }

@media (max-width:860px){
  .site-header .container{ height:74px; }
  .brand-name{ font-size:17px; }
  .nav-desktop{
    display:none; position:absolute; top:74px; left:0; right:0;
    background:#fff; border-bottom:1px solid var(--line);
    flex-direction:column; align-items:stretch; gap:0; padding:8px 0 26px;
    box-shadow: var(--shadow-sm);
  }
  .nav-desktop.is-open{ display:flex; }
  .nav-links{ flex-direction:column; gap:0; }
  .nav-links a{ display:block; padding:16px 28px; }
  .nav-links a::after{ display:none; }
  .nav-desktop .btn{ margin:14px 28px 0; }
  .nav-toggle{ display:block; }
}

/* ---------- Hero(ブラックベース) ---------- */
.hero{
  position:relative; background:var(--dark); color:#fff;
  overflow:hidden; padding: clamp(80px, 11vw, 136px) 0;
}
.hero-bg-ph{
  position:absolute; inset:0; z-index:0;
  background:
    radial-gradient(ellipse 60% 55% at 84% 8%, rgba(50,216,254,.22), transparent 60%),
    radial-gradient(ellipse 45% 45% at 8% 95%, rgba(43,77,201,.28), transparent 65%),
    linear-gradient(158deg, var(--dark-2) 10%, var(--dark) 75%);
}
.hero-bg-ph::after{
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 80% at 70% 30%, #000 30%, transparent 75%);
}
.hero-bg-ph::before{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(ellipse 70% 65% at 15% 85%, rgba(11,11,16,.4) 0%, rgba(11,11,16,.15) 45%, transparent 70%);
  z-index:1;
}
.hero .container{ position:relative; z-index:1; }
.hero-grid{ display:grid; grid-template-columns: 1.15fr .85fr; gap:64px; align-items:center; }
.hero-eyebrow{ color:var(--cyan); }
.hero-eyebrow::before{ background:var(--cyan); }
.hero h1{
  font-size: var(--fs-h1); font-weight:900;
  letter-spacing:.005em; line-height:1.4;
  margin: 26px 0 22px; color:#fff;
  text-shadow: 0 4px 24px rgba(0,0,0,.5), 0 1px 4px rgba(0,0,0,.4);
}
.hero-sub{
  display:inline-block;
  width: fit-content;
  font-size:17px; max-width:100%; line-height:1.8;
  box-sizing: border-box;
  color: var(--ink);
  background: rgba(255,255,255,.94);
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: 0 8px 24px -8px rgba(0,0,0,.35);
  text-shadow: none;
}
.ja-nowrap{ white-space: nowrap; }
.hero-sub-break{ display:none; }
@media (max-width:860px){
  .hero-sub-break{ display:block; }
}
.hero-visual{
  aspect-ratio: 4/3; position:relative;
  background: linear-gradient(145deg, rgba(50,216,254,.16), rgba(43,77,201,.1));
  border:1px solid var(--dark-line);
  box-shadow: var(--shadow);
}
.hero-visual::after{
  content:""; position:absolute; left:14%; top:20%; width:34%; height:44%;
  background: linear-gradient(160deg, rgba(50,216,254,.7), rgba(52,149,234,.4));
  clip-path: polygon(15% 0, 85% 0, 100% 100%, 70% 100%, 50% 55%, 30% 100%, 0 100%);
  opacity:.45;
}
@media (max-width:860px){
  .hero-grid{ grid-template-columns:1fr; gap:44px; }
}
.hero-grid-single{ grid-template-columns:1fr; max-width:760px; }

/* ---------- Sections ---------- */
section{ padding: var(--sec-pad) 0; }
.section-mist{ background: var(--mist); }
.section-head{ max-width:660px; margin-bottom: clamp(44px, 6vw, 72px); }
.section-head h2{
  font-size: var(--fs-h2); margin-top:18px; font-weight:900; color:var(--ink);
}
.section-head p{ margin-top:18px; color:var(--muted); font-size:16px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
/* 見出しが長く660pxでは1行に収まらないセクション用。単語途中での分断も防ぐ */
.section-head.section-head--wide{ max-width:none; }
.section-head--wide h2{ word-break: keep-all; overflow-wrap: break-word; }

/* ---------- Image placeholder ---------- */
.img-ph{
  position:relative;
  background:
    radial-gradient(circle at 78% 18%, rgba(50,216,254,.12), transparent 55%),
    linear-gradient(140deg, var(--mist) 0%, var(--mist-2) 100%);
  border: 1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  color:var(--faint);
  font-size:11px; letter-spacing:.08em;
  text-align:center; padding:20px; min-height:120px;
  overflow:hidden;
}
.img-ph::before{
  content:""; position:absolute; width:38%; aspect-ratio:1;
  left:50%; top:50%; transform:translate(-50%,-58%);
  background: linear-gradient(160deg, rgba(50,216,254,.3), rgba(43,77,201,.22));
  clip-path: polygon(15% 0, 85% 0, 100% 100%, 70% 100%, 50% 55%, 30% 100%, 0 100%);
}

/* ---------- Cards ---------- */
.card-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:26px; }
.card{
  position:relative;
  background:#fff; border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 32px 36px;
  box-shadow: var(--shadow-card);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
  overflow:hidden;
}
.card::before{
  content:""; position:absolute; left:0; top:0; width:0; height:3px;
  background: linear-gradient(90deg, var(--cyan), var(--blue-sky));
  transition: width .32s ease;
}
.card::after{
  content:"";
  position:absolute;
  bottom:-30%;
  right:-20%;
  width:160px;
  height:160px;
  background: radial-gradient(circle, rgba(50,216,254,.1), transparent 70%);
  z-index:0;
  pointer-events:none;
}
.card > *{
  position:relative;
  z-index:1;
}
.card:hover{ transform: translateY(-5px); box-shadow: var(--shadow-sm); border-color:#D3D9EC; }
.card:hover::before{ width:100%; }
.card-icon{
  width:88px; height:88px; margin-bottom:24px;
  background: linear-gradient(155deg, var(--cyan) 0%, var(--blue-sky) 55%, var(--blue-mid) 100%);
  clip-path: polygon(15% 0, 85% 0, 100% 100%, 70% 100%, 50% 55%, 30% 100%, 0 100%);
}
.card-icon:has(img){ background:none; clip-path:none; }
.icon-boost{
  filter: saturate(1.3) contrast(1.15) brightness(0.95);
}
.card-number{
  width:52px;
  height:52px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: var(--navy);
  color:#fff;
  font-weight:900;
  font-size:20px;
  margin-bottom:24px;
  border-radius: 50%;
}
.card-illustration{
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 8px 0 20px;
}
.card-illustration img{
  width: auto;
  height: 100%;
  max-width: 100%;
  object-fit: contain;
}
.card h3{ font-size: var(--fs-h3); font-weight:700; margin-bottom:14px; line-height:1.6; color:var(--ink); }
.card p{ color:var(--muted); font-size:14.5px; line-height:1.9; }

.industry-band{
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 48px 40px;
  margin-top: 52px;
}
.industry-band::before{
  content:"";
  position:absolute;
  top:-15%;
  right:-10%;
  width:340px;
  height:340px;
  background: radial-gradient(circle, rgba(50,216,254,.14), transparent 70%);
  z-index:0;
}
.industry-band::after{
  content:"";
  position:absolute;
  bottom:-20%;
  left:-8%;
  width:280px;
  height:280px;
  background: radial-gradient(circle, rgba(20,18,153,.08), transparent 70%);
  z-index:0;
}
.industry-band > *{
  position: relative;
  z-index: 1;
}
.industry-lead{
  color: var(--ink);
  font-weight:900;
  font-size:22px;
  text-align:center;
  margin-bottom:20px;
}
.industry-desc{
  color: var(--muted);
  font-size:14.5px;
  text-align:center;
  max-width:640px;
  margin:0 auto 40px;
  line-height:1.9;
}
.industry-list{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:32px 20px;
  list-style:none;
}
.industry-list li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14.5px;
  color: var(--ink);
  font-weight: 700;
  background: #fff;
  padding: 22px 20px;
  border-radius: 10px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.industry-list li:hover{
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: transparent;
}
.industry-icon{
  width:52px;
  height:52px;
  flex:none;
  display:flex;
  align-items:center;
  justify-content:center;
  background: linear-gradient(150deg, var(--cyan), var(--blue-mid));
  border-radius:50%;
}
.industry-icon .industry-emoji{
  font-size:24px;
  filter: grayscale(1) brightness(10);
}
@media (max-width:860px){
  .industry-list{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width:480px){
  .industry-list{ grid-template-columns: 1fr; }
}

@media (max-width:860px){
  .card-grid{ grid-template-columns:1fr; gap:18px; }
  .card{ padding: 32px 26px 30px; }
}
@media (min-width:861px) and (max-width:1080px){
  .card-grid[style*="repeat(4"]{ grid-template-columns: repeat(2,1fr) !important; }
}
@media (max-width:860px){
  .card-grid[style*="repeat(4"]{ grid-template-columns: 1fr !important; }
}
.card-grid[style*="repeat(4"] .card{ padding: 34px 26px 32px; }
.card-grid[style*="repeat(4"] .card h3{ font-size: 16.5px; }

/* ---------- Split ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap: clamp(40px,6vw,72px); align-items:center; }
.split > div:first-child{
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}
.split-media{
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.split-media img{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
}
.split.reverse .split-media{ order:2; }
@media (max-width:860px){ .split{ grid-template-columns:1fr; } .split.reverse .split-media{ order:0; } }
/* ---------- Process ---------- */
.process{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; position:relative; }
.process-step{ position:relative; padding: 8px 28px 8px 0; }
.process-step + .process-step{ border-left:1px solid var(--line); padding-left:28px; }
.process-num{
  font-weight:700; font-size:13px; color:var(--cyan);
  background:var(--dark); width:40px; height:40px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:22px; border-radius: 50%;
}
.process-step h3{ font-size:17px; margin-bottom:12px; color:var(--ink); }
.process-step p{ color:var(--muted); font-size:14px; line-height:1.9; }
@media (max-width:860px){
  .process{ grid-template-columns:1fr; gap:30px; }
  .process-step{ padding:0; }
  .process-step + .process-step{ border-left:none; border-top:1px solid var(--line); padding:28px 0 0; }
}

/* ---------- CEO ---------- */
.ceo-block{ display:grid; grid-template-columns:.78fr 1.22fr; gap: clamp(40px,6vw,72px); align-items:center; }
.ceo-media{ aspect-ratio:3/4; box-shadow: var(--shadow-sm); border-radius: var(--radius); }
.ceo-photo{ width:100%; height:100%; object-fit:cover; display:block; }
.ceo-quote{
  font-size: clamp(19px, 2vw, 22px);
  font-weight:700; line-height:1.8; color:var(--ink);
  position:relative; padding-left:22px;
}
.ceo-quote::before{
  content:""; position:absolute; left:0; top:6px; bottom:6px; width:3px;
  background: linear-gradient(var(--cyan), var(--blue-mid));
}
.ceo-name{ margin-top:26px; font-size:14px; color:var(--muted); letter-spacing:.04em; }
@media (max-width:860px){ .ceo-block{ grid-template-columns:1fr; } .ceo-media{ max-width:340px; } }

/* トップページ抜粋用: 写真なし・引用文のみの構成。左罫線+本文中の引用符のみのミニマル構成 */
.ceo-block.ceo-block--text-only{
  display:block; max-width:720px; margin:0 auto;
}
.ceo-block--text-only .ceo-quote{
  font-size: clamp(21px, 2.4vw, 26px); line-height:1.9; text-wrap: balance;
}

/* ---------- Post cards ---------- */
.post-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.post-card{
  border:1px solid var(--line); background:#fff; box-shadow: var(--shadow-card);
  border-radius: var(--radius); overflow:hidden;
  transition: transform .28s ease, box-shadow .28s ease;
}
.post-card:hover{ transform: translateY(-5px); box-shadow: var(--shadow-sm); }
.post-card .img-ph{ aspect-ratio:16/10; border:none; border-bottom:1px solid var(--line); }
.post-card-body{ padding:28px; }
.post-meta{
  font-size:12px; color:var(--faint);
  display:flex; gap:14px; margin-bottom:14px; letter-spacing:.05em;
}
.post-card h3{ font-size:16.5px; margin-bottom:10px; line-height:1.65; }
.post-card h3 a{ transition: color .2s ease; }
.post-card h3 a:hover{ color: var(--blue-mid); }
.post-card p{ color:var(--muted); font-size:14px; }
.post-stat{ font-weight:700; color:var(--blue-mid); font-size:13.5px; margin-bottom:10px; }
@media (max-width:860px){ .post-grid{ grid-template-columns:1fr; } }

/* ---------- CTA band(ブラックベース) ---------- */
.cta-band{
  position:relative; overflow:hidden;
  background: var(--dark); color:#fff;
  padding: clamp(64px, 8vw, 96px) 0; text-align:center;
}
.cta-band::before{
  content:""; position:absolute; inset:0;
  background: radial-gradient(ellipse 50% 90% at 50% 115%, rgba(50,216,254,.16), transparent 70%);
}
.cta-band .container{ position:relative; }
.cta-band h2{ font-size: clamp(24px,3vw,32px); margin-bottom:32px; font-weight:900; color:#fff; }
.cta-band .btn-primary{ background:var(--cyan); color:var(--dark); }
.cta-band .btn-primary:hover{ background:#5CE3FF; box-shadow: 0 12px 28px -10px rgba(50,216,254,.4); }

/* ---------- Footer(ブラックベース) ---------- */
.site-footer{ background:var(--dark); color:rgba(255,255,255,.68); padding: 72px 0 36px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:44px; }
.footer-brand .brand-name{ color:#fff; }
.footer-brand p{ margin-top:18px; font-size:14px; max-width:34ch; line-height:1.9; }
.footer-col h4{ color:#fff; font-size:13.5px; margin-bottom:18px; letter-spacing:.06em; }
.footer-col li{ margin-bottom:12px; font-size:14px; line-height:1.8; }
.footer-col a{ transition: color .2s ease; }
.footer-col a:hover{ color:var(--cyan); }
.footer-bottom{
  margin-top:64px; padding-top:26px; border-top:1px solid var(--dark-line);
  font-size:12px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
  letter-spacing:.05em; color:rgba(255,255,255,.45);
}
@media (max-width:860px){ .footer-grid{ grid-template-columns:1fr; gap:36px; } }

/* ---------- Page hero ---------- */
.page-hero{
  position:relative; overflow:hidden;
  background: var(--mist);
  padding: clamp(56px,7vw,84px) 0 clamp(48px,6vw,72px);
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:""; position:absolute; right:-3%; top:-32%; width:300px; aspect-ratio:1;
  background: linear-gradient(160deg, rgba(50,216,254,.12), rgba(43,77,201,.08));
  clip-path: polygon(15% 0, 85% 0, 100% 100%, 70% 100%, 50% 55%, 30% 100%, 0 100%);
}
/* 写真背景版(.page-hero-bg を持つページ)では装飾用の切り欠き図形は不要 */
.page-hero:has(.page-hero-bg)::after{ content:none; }
.page-hero-bg{
  position:absolute; inset:0; z-index:0;
}
.page-hero-bg img{
  width:100%; height:100%; object-fit:cover;
}
.page-hero-bg::after{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(ellipse 65% 85% at 12% 45%, rgba(11,11,16,.5) 0%, rgba(11,11,16,.15) 45%, transparent 70%);
}
.page-hero .container{ position:relative; }
.page-hero:has(.page-hero-bg) .container{ z-index:1; }
.breadcrumb{ font-size:12.5px; color:var(--faint); margin-bottom:20px; letter-spacing:.04em; }
.breadcrumb a{ transition:color .2s ease; }
.breadcrumb a:hover{ color:var(--blue-mid); }
.page-hero:has(.page-hero-bg) .breadcrumb a:hover{ color:var(--cyan); }
.page-hero h1{ font-size: clamp(30px,3.8vw,44px); font-weight:900; color:var(--ink); }
.page-hero .lead{ margin-top:18px; color:var(--muted); font-size:16px; max-width:58ch; }
/* about/service/contact: 文字量が少なく58chだと文末だけ改行されるため、幅の制約を外す */
.page-hero .lead.lead--hero{ max-width:none; }
.page-hero:has(.page-hero-bg) h1,
.page-hero:has(.page-hero-bg) .lead,
.page-hero:has(.page-hero-bg) .breadcrumb{
  color:#fff;
  text-shadow: 0 4px 20px rgba(0,0,0,.6), 0 1px 4px rgba(0,0,0,.5);
}
.page-hero:has(.page-hero-bg) h1{
  color:#fff;
  text-shadow: 0 4px 20px rgba(0,0,0,.6), 0 1px 4px rgba(0,0,0,.5);
}

/* ---------- MVV ---------- */
.mvv-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; margin-top:44px; }
.mvv-icon{ width:80px; height:80px; display:block; margin-bottom:20px; object-fit:contain; }
.mvv-card{
  background:#fff; border:1px solid var(--line); padding:36px 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: transform .28s ease, box-shadow .28s ease;
}
.mvv-card:hover{ transform: translateY(-5px); box-shadow: var(--shadow-sm); }
.mvv-label{
  font-size:11.5px; color:var(--blue-mid);
  font-weight:700; letter-spacing:.14em;
}
.mvv-card p{ margin-top:16px; font-size:15px; color:var(--ink); line-height:1.95; }
.mvv-card p strong{ font-size:17px; font-weight:900; display:block; margin-bottom:6px; color:var(--ink); }
@media (max-width:860px){ .mvv-grid{ grid-template-columns:1fr; gap:18px; } }

/* ---------- Info table ---------- */
.info-table{ width:100%; border-collapse:collapse; margin-top:8px; }
.info-table th, .info-table td{
  text-align:left; padding: 20px 22px; border-bottom:1px solid var(--line); font-size:15px;
}
.info-table th{ width:190px; color:var(--muted); font-weight:500; background: var(--mist); }
@media (max-width:640px){
  .info-table th, .info-table td{ display:block; width:100%; }
  .info-table th{ padding-bottom:6px; border-bottom:none; }
  .info-table td{ padding-top:6px; }
}

/* ---------- Data block(ブラックベース) ---------- */
.data-block{
  position:relative; overflow:hidden;
  background: var(--dark);
  color:#fff; padding: clamp(40px,5.5vw,64px);
  display:grid; grid-template-columns:1.1fr .9fr; gap: clamp(36px,5vw,56px); align-items:center;
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}
.data-block::before{
  content:""; position:absolute; right:-6%; bottom:-30%; width:340px; aspect-ratio:1;
  background: radial-gradient(circle, rgba(50,216,254,.14), transparent 70%);
}
.data-block > *{ position:relative; min-width:0; }
.data-block h2{ color:#fff; font-size: clamp(22px,2.7vw,29px); font-weight:900; margin-top:16px; text-wrap: balance; word-break: keep-all; overflow-wrap: break-word; }
.data-block p{ margin-top:20px; color:rgba(255,255,255,.78); font-size:15px; line-height:1.95; }
.data-block .source{ margin-top:24px; font-size:12px; color:var(--cyan); letter-spacing:.04em; }
.data-block .callout{
  margin-top:24px; font-weight:700; font-size:19px; color:var(--cyan);
  padding-left:18px; border-left:3px solid var(--cyan); line-height:1.7;
}
.data-block .img-ph{ background: rgba(255,255,255,.05); border-color: var(--dark-line); color:rgba(255,255,255,.5); }
.data-block .img-ph::before{ opacity:.6; }

/* 白背景の実画像をダークセクション上に「ライトカード」として見せる場合のモディファイア */
.img-ph.img-ph--framed{ background:#fff; border-color: rgba(0,0,0,.08); padding:24px; }
.img-ph--framed::before{ content:none; }
.img-ph--framed img{ position:static; width:100%; height:100%; object-fit:contain; }
@media (max-width:860px){ .data-block{ grid-template-columns:1fr; } }

/* ---------- Roadmap ---------- */
.roadmap{ margin-top:44px; }
.roadmap-item{
  display:grid; grid-template-columns:110px 1fr; gap:30px;
  padding: 36px 0; border-top:1px solid var(--line);
  transition: background .25s ease;
}
.roadmap-item:hover{ background: rgba(50,216,254,.035); }
.roadmap-item:last-child{ border-bottom:1px solid var(--line); }
.roadmap-icon{ width:72px; height:72px; display:block; margin-bottom:16px; object-fit:contain; }
.roadmap-item h3{ font-size:18px; margin-bottom:10px; color:var(--ink); }
.roadmap-item p{ color:var(--muted); font-size:15px; }
.roadmap-note{ margin-top:24px; font-size:13px; color:var(--faint); }
@media (max-width:640px){ .roadmap-item{ grid-template-columns:1fr; gap:12px; padding:28px 0; } }

/* ---------- Empty note ---------- */
.empty-note{
  border:1px dashed #C7CDE0; padding:22px 26px; color:var(--faint); font-size:13px;
}

/* ---------- FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{
  width:100%; display:flex; justify-content:space-between; align-items:center; gap:16px;
  padding: 24px 6px; background:none; border:none; text-align:left;
  font-weight:700; font-size:16px; color:var(--ink);
  transition: color .2s ease;
}
.faq-q:hover{ color: var(--blue-mid); }
.faq-q .plus{ color:var(--blue-mid); transition: transform .25s ease; flex:none; font-weight:500; }
.faq-item[data-open="true"] .plus{ transform: rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .3s ease; color:var(--muted); font-size:14.5px; }
.faq-a p{ padding: 0 6px 26px; }

/* ---------- Form ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:26px; }
.form-grid .full{ grid-column:1/-1; }
.field label{ display:block; font-size:14px; font-weight:700; margin-bottom:9px; }
.field .req{
  color:#fff; background:var(--blue-mid); font-size:10.5px; font-weight:500;
  margin-left:8px; padding:2px 10px; border-radius: var(--radius-pill); vertical-align:2px;
}
.field input, .field textarea{
  width:100%; padding:15px 18px; border:1.5px solid var(--line); background:var(--mist);
  font-family:var(--f-body); font-size:15px; border-radius: var(--radius);
  transition: border-color .2s ease, background .2s ease;
}
.field input:focus, .field textarea:focus{ border-color:var(--navy); background:#fff; outline:none; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; gap:20px; } }

/* ---------- Article ---------- */
.article-body{ max-width:760px; }
.article-body h2{
  font-size:21px; margin:44px 0 18px; color:var(--ink);
  padding-left:16px; border-left:4px solid var(--cyan); line-height:1.5;
}
.article-body p{ color:var(--muted); font-size:15.5px; margin-bottom:16px; line-height:2; }
.article-body ul{ margin:0 0 16px; padding-left:1.4em; list-style:disc; }
.article-body li{ color:var(--muted); font-size:15.5px; line-height:1.9; margin-bottom:8px; }
.article-body .source{ margin-top:8px; font-size:12px; color:var(--faint); letter-spacing:.04em; }
.kpi-row{ display:flex; gap:20px; flex-wrap:wrap; margin:32px 0 8px; }
.kpi{
  background:var(--mist); padding:22px 30px; border-top:3px solid var(--cyan);
  border-radius: 0 0 var(--radius) var(--radius);
}
.kpi .num{ font-weight:900; font-size:28px; color:var(--navy); line-height:1.2; }
.kpi .label{ font-size:12px; color:var(--muted); margin-top:8px; }

/* ---------- v3.1: 画像差し替え用ヘルパー ----------
   img-ph / card-icon / hero-visual / hero-bg-ph の中に
   <img> タグを追加するだけで、枠にフィットするようにする。 */
.img-ph, .card-icon, .hero-visual, .hero-bg-ph{ position:relative; }
.img-ph img, .card-icon img, .hero-visual img, .hero-bg-ph img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
}
/* 画像が入ったら、下地のグラデーション/切り欠き演出は自動的に隠れます(z-indexは不要) */

/* v3.2 バグ修正: hero-bg-ph は画面いっぱいに広げるため position:absolute が必須。
   上のヘルパーで position:relative に上書きされていたのを元に戻す。 */
.hero-bg-ph{ position:absolute; inset:0; }