:root{
  --brand:#2AA1C2;
  --brand-deep:#1B86A8;
  --brand-dark:#0F5C73;
  --ink:#10262E;
  --ink-soft:#3C565E;
  --body:#4E666D;
  --muted:#86A0A6;
  --line:#E3EDF0;
  --bg:#FFFFFF;
  --bg-soft:#F4FAFB;
  --bg-tint:#E7F4F8;
  --shadow-sm:0 2px 12px rgba(16,52,64,.06);
  --shadow:0 18px 50px -22px rgba(15,92,115,.35);
  --shadow-lg:0 40px 90px -40px rgba(15,92,115,.45);
  --r:18px;
  --r-lg:26px;
  --maxw:1180px;
  --fs-eyebrow:13px;
  --fs-hero:clamp(38px,5.4vw,72px);
  --fs-h2:clamp(28px,3.7vw,46px);
  --fs-h3:clamp(19px,1.6vw,23px);
  --fs-lead:clamp(16px,1.55vw,20px);
  --fs-body:16px;
  --fs-small:14px;
  --sp-section:clamp(76px,9vw,140px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Zen Kaku Gothic New","Noto Sans JP",system-ui,sans-serif;
  color:var(--body);
  background:var(--bg);
  font-size:var(--fs-body);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  letter-spacing:.01em;
}
h1,h2,h3,h4{color:var(--ink);line-height:1.32;font-weight:700;letter-spacing:.01em}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.en{font-family:"Outfit",sans-serif;letter-spacing:.04em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---------- Eyebrow ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:"Outfit",sans-serif;font-weight:600;
  font-size:var(--fs-eyebrow);letter-spacing:.22em;text-transform:uppercase;
  color:var(--brand-deep);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px}
.eyebrow.center::after{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px}

/* ---------- Header ---------- */
.header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.78);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.header.scrolled{border-color:var(--line);box-shadow:0 6px 24px -16px rgba(16,52,64,.4)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  display:grid;place-items:center;color:#fff;
  font-family:"Outfit",sans-serif;font-weight:700;font-size:20px;
  box-shadow:0 10px 22px -10px rgba(15,92,115,.7);
}
.brand-name{font-weight:900;font-size:21px;color:var(--ink);line-height:1.1}
.brand-sub{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.08em}
.brand-stack{display:flex;flex-direction:column;gap:4px}
.brand-logo{display:block;height:24px;width:auto}
.footer .brand-logo{filter:brightness(0) invert(1)}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-size:15px;font-weight:500;color:var(--ink-soft);transition:color .2s}
.nav-links a:hover{color:var(--brand-deep)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#fff;font-weight:700;font-size:14.5px;
  padding:12px 22px;border-radius:999px;
  box-shadow:0 12px 26px -12px rgba(15,92,115,.8);
  transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 18px 32px -12px rgba(15,92,115,.85)}

/* ---------- Hamburger / Drawer（BRAVEMEDICA-site と同構成） ---------- */
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:44px;height:44px;background:none;border:none;cursor:pointer;padding:4px;
  flex-shrink:0;z-index:230;margin-left:auto;
}
.nav-toggle span{
  display:block;width:24px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .3s,opacity .3s;transform-origin:center;
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-overlay{
  position:fixed;inset:0;background:rgba(16,38,46,.45);z-index:210;
  opacity:0;pointer-events:none;transition:opacity .3s;
}
.nav-overlay.open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;
  width:min(360px,100vw);height:100dvh;
  background:#fff;
  box-shadow:-4px 0 24px rgba(16,38,46,.18);
  z-index:220;
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .3s ease;
  overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 24px;
  border-bottom:1px solid var(--line);
  flex-shrink:0;
}
.drawer-head .brand-logo{height:20px}
.drawer-close{
  width:40px;height:40px;border-radius:50%;
  background:var(--brand);border:none;
  color:#fff;font-size:18px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;flex-shrink:0;
  transition:background .2s;
}
.drawer-close:hover{background:var(--brand-dark)}
.nav-drawer .drawer-links{
  display:flex;flex-direction:column;
  padding:8px 0;
}
.nav-drawer .drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;
  font-size:17px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.nav-drawer .drawer-links a::after{
  content:"→";color:var(--brand);font-size:16px;flex-shrink:0;
}
.nav-drawer .drawer-links a:hover{color:var(--brand-deep);background:var(--bg-tint)}
.drawer-tel{
  margin-top:40px;
  padding:24px 28px 8px;
  border-top:1px solid var(--line);
  text-align:center;
}
.drawer-tel a{
  display:flex;align-items:center;justify-content:center;gap:8px;
  font-family:"Outfit","Zen Kaku Gothic New",sans-serif;font-weight:700;
  font-size:26px;color:var(--ink);letter-spacing:.02em;
}
.drawer-tel a::before{font-size:20px;line-height:1}
.drawer-tel small{
  display:block;font-size:13px;color:var(--muted);margin-top:6px;
  letter-spacing:.02em;
}
.tel-badge{
  display:inline-block;
  background:var(--brand);color:#fff;
  font-size:11px;font-weight:700;
  padding:2px 7px;border-radius:3px;
  vertical-align:middle;margin-right:4px;
}
.nav-drawer .drawer-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin:16px 24px 40px;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));color:#fff;
  font-weight:700;font-size:16px;
  padding:16px 20px;border-radius:999px;
  text-align:center;
}
.nav-drawer .drawer-cta:hover{background:var(--brand-dark)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-weight:700;border-radius:999px;cursor:pointer;border:none;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s;
  font-size:16px;padding:17px 32px;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(140deg,var(--brand),var(--brand-deep));color:#fff;box-shadow:0 18px 38px -16px rgba(15,92,115,.8)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 26px 48px -18px rgba(15,92,115,.85)}
.btn-ghost{background:#fff;color:var(--brand-dark);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1.5px var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.btn-arrow{transition:transform .25s}
.btn:hover .btn-arrow{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding-top:clamp(56px,7vw,96px);padding-bottom:clamp(60px,8vw,120px);background:linear-gradient(180deg,#F4FAFB 0%,#fff 70%)}
.hero-blob{position:absolute;border-radius:50%;filter:blur(8px);opacity:.5;z-index:0}
.hero-blob.a{width:520px;height:520px;background:radial-gradient(circle,#BFE6F0,transparent 65%);top:-160px;right:-120px}
.hero-blob.b{width:420px;height:420px;background:radial-gradient(circle,#D9F0F6,transparent 68%);bottom:-160px;left:-140px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,5vw,72px);align-items:center}
.hero-h1{font-size:var(--fs-hero);font-weight:900;line-height:1.18;letter-spacing:.005em;margin:22px 0 0}
.hero-h1 .accent{color:var(--brand-deep)}
.hero-h1 .thin{display:block;font-size:.52em;font-weight:700;color:var(--ink-soft);margin-top:14px;letter-spacing:.02em}
.hero-lead{font-size:var(--fs-lead);color:var(--ink-soft);margin-top:26px;max-width:30em;text-wrap:pretty}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:32px}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:500;color:var(--ink-soft)}
.chip svg{width:17px;height:17px;color:var(--brand);flex:none}

/* hero visual — overlapping browser frames */
.hero-visual{position:relative;height:clamp(360px,38vw,500px)}
.frame{
  position:absolute;background:#fff;border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);
}
.frame-bar{display:flex;align-items:center;gap:6px;padding:11px 14px;background:#F2F7F9;border-bottom:1px solid var(--line)}
.frame-bar i{width:9px;height:9px;border-radius:50%;background:#D5E1E4;display:block}
.frame-url{margin-left:10px;font-family:"Outfit",sans-serif;font-size:11px;color:var(--muted);letter-spacing:.02em}
.frame-shot{width:100%;height:auto;display:block;background:linear-gradient(135deg,#E7F4F8,#CFE9F0)}
.frame.front{width:62%;right:0;top:8%;z-index:3}
.frame.back{width:54%;left:0;bottom:4%;z-index:2}
.hero-badge{
  position:absolute;z-index:4;left:-6px;top:38%;
  background:#fff;border-radius:14px;padding:14px 18px;
  box-shadow:var(--shadow);display:flex;align-items:center;gap:13px;
}
.hero-badge .num{font-family:"Outfit",sans-serif;font-weight:700;font-size:30px;color:var(--brand-deep);line-height:1}
.hero-badge .lbl{font-size:12px;color:var(--ink-soft);font-weight:500;line-height:1.4}

/* ---------- Stats band ---------- */
.stats{background:var(--ink);color:#fff;padding:clamp(48px,5vw,68px) 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{text-align:center;padding:6px 14px;position:relative}
.stat + .stat::before{content:"";position:absolute;left:0;top:14%;height:72%;width:1px;background:rgba(255,255,255,.12)}
.stat .big{font-family:"Outfit",sans-serif;font-weight:700;font-size:clamp(34px,3.4vw,48px);line-height:1;color:#fff}
.stat .big small{font-size:.5em;font-weight:600;margin-left:3px;color:var(--brand)}
.stat .cap{margin-top:12px;font-size:14px;color:rgba(255,255,255,.7);font-weight:500}

/* ---------- Section base ---------- */
section.block{padding:var(--sp-section) 0}
.bg-soft{background:var(--bg-soft)}
.sec-head{max-width:680px}
.sec-head.center{margin:0 auto;text-align:center}
.sec-title{font-size:var(--fs-h2);font-weight:900;margin-top:18px;letter-spacing:.01em}
.sec-desc{font-size:var(--fs-lead);color:var(--ink-soft);margin-top:18px;text-wrap:pretty}

/* ---------- Strengths ---------- */
.strength-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:56px}
.strength{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:38px 32px 36px;transition:transform .3s,box-shadow .3s,border-color .3s;
}
.strength:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.strength-ico{
  width:58px;height:58px;border-radius:16px;display:grid;place-items:center;
  background:var(--bg-tint);color:var(--brand-deep);margin-bottom:24px;
}
.strength-ico svg{width:28px;height:28px}
.strength-no{font-family:"Outfit",sans-serif;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.12em}
.strength h3{font-size:var(--fs-h3);margin:8px 0 14px}
.strength p{font-size:15px;color:var(--body);line-height:1.85}
.strength .tag{display:inline-block;margin-top:18px;font-size:12.5px;font-weight:700;color:var(--brand-deep);background:var(--bg-tint);padding:6px 13px;border-radius:999px}

/* ---------- Portfolio gallery ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;margin-top:56px}
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .3s,box-shadow .3s,border-color .3s;display:flex;flex-direction:column;
}
.case:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.case-shot{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#E7F4F8,#CFE9F0);border-bottom:1px solid var(--line)}
.case-shot img{width:100%;height:100%;object-fit:contain;object-position:center;transition:transform .6s ease}
.case:hover .case-shot img{transform:scale(1.04)}
.case-spec{position:absolute;top:16px;left:16px;background:rgba(255,255,255,.94);backdrop-filter:blur(4px);color:var(--brand-dark);font-size:12.5px;font-weight:700;padding:7px 14px;border-radius:999px;box-shadow:var(--shadow-sm);z-index:2}
.case-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1}
.case-body h3{font-size:21px;font-weight:700;letter-spacing:.01em}
.case-line{font-size:15px;color:var(--body);margin-top:10px;flex:1;text-wrap:pretty}
.case-foot{display:flex;align-items:center;justify-content:space-between;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.case-url{font-family:"Outfit",sans-serif;font-size:13px;color:var(--muted)}
.case-visit{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:var(--brand-deep)}
.case-visit svg{width:15px;height:15px;transition:transform .25s}
.case:hover .case-visit svg{transform:translate(2px,-2px)}
.gallery-foot{text-align:center;margin-top:50px}

/* ---------- Testimonial ---------- */
.voice{background:linear-gradient(135deg,#0F5C73,#14708C);color:#fff;border-radius:32px;overflow:hidden;display:grid;grid-template-columns:.82fr 1.18fr;box-shadow:var(--shadow-lg)}
.voice-photo{position:relative;background:#0c4d61;min-height:100%}
.voice-photo img{width:100%;height:100%;object-fit:cover;object-position:top center}
.voice-photo .ph-fallback{position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.5);font-size:14px;text-align:center;padding:20px}
.voice-body{padding:clamp(40px,4vw,60px) clamp(36px,4vw,58px)}
.voice-quote-mark{font-family:"Outfit",sans-serif;font-size:80px;line-height:.7;color:var(--brand);opacity:.6;font-weight:700}
.voice-quote{font-size:clamp(22px,2.3vw,30px);font-weight:700;color:#fff;line-height:1.55;margin:6px 0 28px;letter-spacing:.01em}
.voice-points{display:grid;gap:16px;margin-bottom:30px}
.voice-point{display:flex;gap:14px;align-items:flex-start}
.voice-point svg{width:20px;height:20px;color:var(--brand);flex:none;margin-top:5px}
.voice-point p{font-size:15px;color:rgba(255,255,255,.86);line-height:1.8}
.voice-point b{color:#fff;font-weight:700}
.voice-by{display:flex;align-items:center;gap:14px;padding-top:24px;border-top:1px solid rgba(255,255,255,.16)}
.voice-by .who{font-weight:700;font-size:17px;color:#fff}
.voice-by .role{font-size:13px;color:rgba(255,255,255,.66)}

/* ---------- Flow ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:54px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 28px 28px}
.step-no{font-family:"Outfit",sans-serif;font-size:46px;font-weight:700;color:var(--bg-tint);line-height:.9;letter-spacing:.02em}
.step h3{font-size:18px;margin:6px 0 12px}
.step p{font-size:14.5px;color:var(--body);line-height:1.8}
.flow-note{text-align:center;margin-top:34px;font-size:15px;color:var(--ink-soft)}
.flow-note b{color:var(--brand-deep);font-weight:700}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:54px auto 0}
.faq{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:18px;
  padding:26px 4px;font-size:18px;font-weight:700;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .q{font-family:"Outfit",sans-serif;color:var(--brand);font-weight:700;flex:none}
.faq summary .txt{flex:1}
.faq summary .pm{flex:none;width:26px;height:26px;border-radius:50%;background:var(--bg-tint);display:grid;place-items:center;color:var(--brand-deep);transition:transform .3s;margin-top:2px}
.faq summary .pm svg{width:14px;height:14px}
.faq[open] summary .pm{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{padding:0 4px 28px 42px;font-size:15.5px;color:var(--body);line-height:1.9;max-width:62em}

/* ---------- CTA ---------- */
.cta{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;border-radius:34px;padding:clamp(48px,6vw,84px) clamp(36px,5vw,80px);text-align:center;box-shadow:var(--shadow-lg)}
.cta::before{content:"";position:absolute;width:480px;height:480px;border-radius:50%;background:rgba(255,255,255,.08);top:-220px;right:-120px}
.cta::after{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.06);bottom:-200px;left:-100px}
.cta-inner{position:relative;z-index:1}
.cta h2{color:#fff;font-size:var(--fs-h2);font-weight:900;letter-spacing:.01em}
.cta p{color:rgba(255,255,255,.9);font-size:var(--fs-lead);margin:20px auto 0;max-width:34em}
.cta-btns{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:40px}
.cta .btn-primary{background:#fff;color:var(--brand-dark)}
.cta .btn-primary:hover{background:#fff}
.cta .btn-ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.5)}
.cta .btn-ghost:hover{box-shadow:inset 0 0 0 1.5px #fff;color:#fff}
.cta-mini{margin-top:26px;font-size:13.5px;color:rgba(255,255,255,.8)}
.cta .drawer-tel{border-top:1px solid rgba(255,255,255,.25);margin-top:22px;padding:18px 0 0}
.cta .drawer-tel a{color:#fff}
.cta .drawer-tel small{color:rgba(255,255,255,.9);font-size:16px}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.74);padding:72px 0 40px;font-size:14px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer .brand-name{color:#fff}
.footer .brand-sub{color:rgba(255,255,255,.5)}
.footer-about{margin-top:20px;line-height:1.9;max-width:30em;color:rgba(255,255,255,.62)}
.footer h4{color:#fff;font-size:14px;letter-spacing:.06em;margin-bottom:18px;font-weight:700}
.footer-list{list-style:none;display:grid;gap:11px}
.footer-list a:hover{color:var(--brand)}
.corp-table{display:grid;gap:9px;line-height:1.7}
.corp-row{display:grid;grid-template-columns:84px 1fr;gap:10px;font-size:13px}
.corp-row dt{color:rgba(255,255,255,.45)}
.corp-row dd{color:rgba(255,255,255,.78)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-top:28px;font-size:12.5px;color:rgba(255,255,255,.45)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- Site-preview thumbnails (designed placeholders) ---------- */
.thumb{display:flex;flex-direction:column;width:100%;height:100%}
.thumb-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:#fff;border-bottom:1px solid var(--line);flex:none}
.thumb-bar i{width:8px;height:8px;border-radius:50%;background:#DBE6E9;display:block}
.thumb-url{margin-left:8px;font-family:"Outfit",sans-serif;font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.thumb-stage{flex:1;position:relative;display:grid;place-items:center;gap:16px;overflow:hidden}
.thumb-stage::after{content:"";position:absolute;width:150%;height:60%;left:-25%;bottom:-30%;border-radius:50%;background:rgba(255,255,255,.4);filter:blur(2px)}
.thumb-ico{width:74px;height:74px;border-radius:22px;display:grid;place-items:center;background:rgba(255,255,255,.78);box-shadow:0 12px 30px -14px rgba(15,92,115,.45);position:relative;z-index:1}
.thumb-ico svg{width:36px;height:36px;stroke-width:1.7}
.thumb-skel{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:7px}
.thumb-skel span{display:block;height:7px;border-radius:4px;background:rgba(255,255,255,.85)}
.thumb-skel span:nth-child(1){width:118px}
.thumb-skel span:nth-child(2){width:84px;background:rgba(255,255,255,.6)}
.v1{background:linear-gradient(140deg,#EAF6F9,#CDE8F0)}.v1 .thumb-ico svg{color:#1B86A8}
.v2{background:linear-gradient(140deg,#E7F5EE,#C7E8DA)}.v2 .thumb-ico svg{color:#1C9C77}
.v3{background:linear-gradient(140deg,#E9F1FB,#CBDEF4)}.v3 .thumb-ico svg{color:#2E72BE}
.v4{background:linear-gradient(140deg,#E2F1F5,#B6D9E4)}.v4 .thumb-ico svg{color:#0F5C73}

/* portrait placeholder */
.voice-portrait{display:grid;place-items:center;gap:22px;background:radial-gradient(circle at 30% 20%,#16708C,#0c4d61);padding:40px 24px}
.vp-avatar{width:100%;height:100%;border-radius:3%;display:grid;place-items:center;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);overflow:hidden}
.vp-avatar svg{width:54px;height:54px;color:#fff;opacity:.9}
.vp-avatar img{width:100%;height:100%;object-fit:cover;object-position:top center}
.vp-label{text-align:center;color:rgba(255,255,255,.9)}
.vp-label .vp-spec{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:#bfe6f0;background:rgba(255,255,255,.1);padding:6px 16px;border-radius:999px}

/* ---------- Reveal (base = visible; entrance is progressive enhancement) ---------- */
.reveal{opacity:1;transform:none}
.reveal.pre{opacity:0;transform:translateY(28px)}
.reveal.in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
@media(prefers-reduced-motion:reduce){.reveal.pre{opacity:1;transform:none}}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-visual{height:clamp(320px,62vw,460px);max-width:520px}
  .strength-grid{grid-template-columns:1fr;gap:18px}
  .flow-grid{grid-template-columns:1fr 1fr}
  .voice{grid-template-columns:1fr}
  .voice-photo{min-height:280px}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .stats-grid{grid-template-columns:1fr 1fr;gap:34px 20px}
  .stat + .stat::before{display:none}
  .gallery-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
}
@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .hero-badge{padding:11px 14px}
  .nav-drawer{width:100vw}
  /* CTAボタン：縦積み・全幅で折り返しを防ぐ */
  .hero-cta,.cta-btns,.gallery-foot{display:flex;flex-direction:column;align-items:stretch;gap:12px}
  .hero-cta .btn,.cta-btns .btn,.gallery-foot .btn{
    width:100%;
    padding:16px 18px;
    font-size:15px;
  }
}

/* ===== Back to Top ===== */
.back-to-top{
  position:fixed;
  right:24px;
  bottom:32px;
  width:48px;
  height:48px;
  border-radius:50%;
  background:var(--brand);
  color:#fff;
  border:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 16px rgba(42,161,194,.35);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .3s,visibility .3s,transform .3s,background .2s;
  z-index:200;
}
.back-to-top.is-visible{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.back-to-top:hover{background:var(--brand-deep);}
.back-to-top svg{width:20px;height:20px;stroke:#fff;stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round}