:root{
  --bg:#f5f8fc;
  --paper:#ffffff;
  --ink:#071426;
  --muted:#637084;
  --line:#dce4ed;
  --blue:#0768c9;
  --blue2:#13a6e8;
  --navy:#061b35;
  --cyan:#67d7f5;
  --shadow:0 20px 60px rgba(4,26,54,.10);
  --radius:24px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75}
a{color:inherit}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(7,20,38,.08)}
.header-inner{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center}.brand img{display:block;width:300px;max-width:42vw;height:auto}
.main-nav{display:flex;align-items:center;gap:22px;font-size:13px;font-weight:700}.main-nav a{text-decoration:none;color:#26364b}.main-nav a:hover{color:var(--blue)}
.contact-link{border:1px solid #bed1e4;padding:9px 15px;border-radius:999px}.menu-button{display:none;background:none;border:0;font-size:28px;color:var(--ink)}
.hero{min-height:720px;display:flex;align-items:center;overflow:hidden;background:radial-gradient(circle at 78% 44%,rgba(32,175,229,.16),transparent 29%),linear-gradient(135deg,#fff 0%,#f5f9fd 52%,#eaf3fb 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;padding:84px 0}
.eyebrow,.kicker{font-size:12px;letter-spacing:.18em;font-weight:900;color:var(--blue);text-transform:uppercase}
.hero h1{font-size:clamp(46px,6vw,76px);line-height:1.12;letter-spacing:-.045em;margin:14px 0 24px}
.hero-lead{font-size:19px;line-height:1.9;color:#33455c;max-width:700px;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;justify-content:center;align-items:center;padding:13px 22px;border-radius:999px;text-decoration:none;font-weight:800;transition:.22s}.button:hover{transform:translateY(-2px)}
.button.primary{background:linear-gradient(135deg,var(--blue),#0b8ed8);color:#fff;box-shadow:0 12px 30px rgba(7,104,201,.24)}.button.secondary{background:#fff;border:1px solid #cbd8e6}
.quiet-product-line{margin-top:34px;padding-top:20px;border-top:1px solid #dfe7ef;display:flex;flex-direction:column;gap:1px;color:#738094}.quiet-product-line span{font-size:14px;font-weight:800;color:#42536a}.quiet-product-line small{font-size:11px;letter-spacing:.04em}
.hero-logo{display:grid;place-items:center}.logo-stage{width:100%;min-height:430px;display:grid;place-items:center;position:relative}.logo-stage:before{content:"";position:absolute;width:390px;height:390px;border-radius:50%;background:radial-gradient(circle,rgba(103,215,245,.25),rgba(7,104,201,.08) 45%,transparent 70%)}.logo-stage img{width:min(650px,100%);height:auto;position:relative;filter:drop-shadow(0 24px 35px rgba(10,58,99,.15))}
.section{padding:100px 0}.section-heading h2{font-size:clamp(34px,4.5vw,54px);line-height:1.2;letter-spacing:-.03em;margin:9px 0 14px}.section-heading p{color:var(--muted);font-size:17px;margin:0}.section-heading.center{text-align:center;max-width:780px;margin:0 auto 45px}
.two-column{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}.about-copy{padding-top:12px;color:#4a5a6f}.large-text{font-size:22px;line-height:1.8;color:#182a40;font-weight:650;margin-top:0}
.business-section{background:#fff}.business-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.business-card{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:linear-gradient(180deg,#fff,#f9fbfd);min-height:270px;box-shadow:0 12px 38px rgba(8,43,77,.05)}.business-number{font-size:12px;letter-spacing:.17em;font-weight:900;color:var(--blue)}.business-card h3{font-size:23px;line-height:1.3;margin:22px 0 10px}.business-card p{color:var(--muted);margin:0;font-size:14px}
.product-section{background:linear-gradient(145deg,#06192f,#0a2e52);color:#fff}.product-wrap{display:grid;grid-template-columns:1fr .85fr;gap:70px;align-items:center}.product-section .kicker{color:#70d9ff}.product-copy h2{font-size:clamp(62px,8vw,100px);line-height:.95;margin:14px 0 4px;letter-spacing:-.05em}.product-name{font-size:14px;color:#a9c5dd;letter-spacing:.04em}.product-copy h3{font-size:32px;margin:34px 0 12px}.product-copy h3 small{font-size:.55em}.product-copy>p:not(.product-name){color:#c1d1e0;max-width:670px}.text-link{display:inline-flex;gap:12px;align-items:center;margin-top:20px;color:#fff;text-decoration:none;font-weight:800}.text-link span{color:#6bdcff;font-size:22px}.product-panel{min-height:390px;border:1px solid rgba(255,255,255,.15);border-radius:30px;background:radial-gradient(circle at 50% 40%,rgba(79,202,245,.22),transparent 42%),rgba(255,255,255,.04);display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:inset 0 0 60px rgba(255,255,255,.03)}.imcs-mark{font-size:72px;font-weight:900;letter-spacing:.04em;line-height:1}.haruka{font-size:19px;letter-spacing:.45em;margin-left:.45em;color:#76ddff;margin-top:12px}.product-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:34px}.product-meta span{border:1px solid rgba(255,255,255,.19);border-radius:999px;padding:6px 10px;font-size:11px;color:#c9dce9}
.family-section{background:#f6f8fb}.family-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}.family-card{text-align:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:25px 14px;transition:.22s}.family-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.kanji{display:block;font-size:48px;font-weight:900;color:#0b3158;line-height:1.1}.family-card h3{font-size:18px;margin:15px 0 2px}.family-card p{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--blue);font-weight:800;margin:0}
.vision-section{background:#fff}.vision-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:start}.vision-copy{font-size:18px;color:#536379;padding-top:18px}.vision-copy p:first-child{margin-top:0}
.contact-section{background:linear-gradient(135deg,#0876cd,#09a6dd);color:#fff;padding:72px 0}.contact-inner{display:grid;grid-template-columns:1fr auto;align-items:center;gap:50px}.kicker.light{color:#d8f5ff}.contact-inner h2{font-size:clamp(30px,4vw,48px);margin:8px 0 10px;line-height:1.25}.contact-inner p{margin:0;color:#e4f6ff}.contact-actions{display:flex;gap:12px;flex-wrap:wrap}.button.white{background:#fff;color:#075c9d}.button.outline-white{border:1px solid rgba(255,255,255,.65);color:#fff}
.site-footer{background:#03101f;color:#a9bbcc;padding:42px 0}.footer-grid{display:grid;grid-template-columns:290px 1fr auto;gap:30px;align-items:center}.footer-logo{width:250px;max-width:100%;filter:brightness(1.25)}.footer-links{display:flex;gap:20px;justify-content:center}.footer-links a{text-decoration:none;font-size:13px}.footer-links a:hover{color:#fff}.copyright{font-size:11px;text-align:right;color:#74869a}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:1000px){.main-nav{gap:12px;font-size:12px}.hero-grid,.product-wrap,.two-column,.vision-grid{grid-template-columns:1fr}.hero-grid{gap:20px}.logo-stage{min-height:350px}.business-grid{grid-template-columns:repeat(2,1fr)}.family-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1fr}.footer-links{justify-content:flex-start}.copyright{text-align:left}}
@media(max-width:760px){.container{width:min(var(--max),calc(100% - 28px))}.header-inner{min-height:72px}.brand img{width:225px;max-width:72vw}.menu-button{display:block}.main-nav{display:none;position:absolute;top:72px;left:14px;right:14px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:8px 10px}.contact-link{text-align:center}.hero{min-height:auto}.hero-grid{padding:65px 0 45px}.hero h1{font-size:44px}.hero-lead{font-size:17px}.logo-stage{min-height:290px}.section{padding:72px 0}.business-grid,.family-grid{grid-template-columns:1fr}.business-card{min-height:auto}.product-panel{min-height:300px}.imcs-mark{font-size:60px}.contact-inner{grid-template-columns:1fr}.contact-actions{margin-top:8px}.footer-logo{width:220px}}


/* ===== v2 requested logo / subtitle adjustments ===== */
/* Header logo: approximately 70% of the previous visual size */
.site-header .logo img,
.header-logo img,
.nav-logo img,
.brand-logo img,
header .logo img {
  width: 70% !important;
  max-width: 70% !important;
  height: auto !important;
}

/* Hero/right-side logo */
.hero-logo img,
.hero-visual img,
.hero-image img {
  width: 100%;
  height: auto;
}

/* Slightly larger, italic supporting copy */
.hero-eyebrow,
.hero-subtitle,
.hero-tagline,
.product-kicker,
.imcs-meta,
.hero .subtle-copy {
  font-size: clamp(1rem, 1.35vw, 1.18rem) !important;
  font-style: italic !important;
  line-height: 1.65;
}




/* ===== v4 requested adjustments ===== */

/* Header logo: 50% smaller than the v3 display size */
.brand img{
  width:150px;
  max-width:21vw;
  height:auto;
}

/* IMCS family cards: product name first and larger, kanji second and smaller */
.family-card h3{
  font-size:24px;
  line-height:1.25;
  margin:0 0 14px;
  font-weight:900;
  letter-spacing:.01em;
  color:#071426;
}
.family-card .kanji{
  display:block;
  font-size:30px;
  line-height:1.2;
  margin:0 0 12px;
  font-weight:800;
  color:#0b3158;
}
.family-card p{
  margin:0;
}

/* Footer links: approximately two font-size steps larger */
.footer-links a{
  font-size:20px;
  font-weight:800;
  letter-spacing:.02em;
}

@media(max-width:760px){
  .brand img{
    width:112px;
    max-width:36vw;
  }
  .family-card h3{
    font-size:22px;
  }
  .family-card .kanji{
    font-size:28px;
  }
  .footer-links a{
    font-size:18px;
  }
}