:root{
  --bg:#f7f8fb;
  --bg-soft:#eef2f8;
  --surface:#ffffff;
  --text:#151c2c;
  --text-soft:#5e677a;
  --text-muted:#8a93a5;
  --line:#e3e8f1;
  --primary:#151c2c;
  --accent:#d83a4a;
  --accent-soft:#fff0f2;
  --blue-soft:#edf2ff;
  --shadow:0 20px 60px rgba(22,34,56,.08);
  --shadow-soft:0 12px 34px rgba(22,34,56,.06);
  --radius:26px;
  --container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans JP",sans-serif;background:linear-gradient(180deg,#fbfcff 0%,#f4f7fb 100%);color:var(--text);line-height:1.85;letter-spacing:.01em}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
button{cursor:pointer}.container{width:min(calc(100% - 32px),var(--container));margin-inline:auto}.section{padding:104px 0}.page-section-tight{padding-top:32px}.section-head{max-width:760px;margin-bottom:42px}.section-head-row{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:36px}.kicker{display:inline-block;margin-bottom:12px;font-size:12px;font-weight:900;letter-spacing:.16em;color:var(--accent)}.section-title{font-size:clamp(30px,4.6vw,56px);line-height:1.18;letter-spacing:-.04em;font-weight:900;margin-bottom:14px}.section-text{color:var(--text-soft);font-size:16px}.center-action{margin-top:28px;text-align:center}.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:900;border-bottom:1px solid rgba(216,58,74,.35);padding-bottom:4px}.text-link::after{content:"→"}

/* loader */
.page-loader{position:fixed;inset:0;z-index:9999;background:transparent;display:flex;align-items:center;justify-content:center;overflow:hidden;pointer-events:auto}.page-loader .door{position:absolute;top:0;width:50%;height:100%;background:linear-gradient(180deg,#171d2c 0%,#080b12 100%);transition:transform 1.1s cubic-bezier(.77,0,.18,1)}.door-left{left:0;border-right:1px solid rgba(255,255,255,.08)}.door-right{right:0;border-left:1px solid rgba(255,255,255,.08)}.loader-mark{position:relative;z-index:2;width:150px;height:150px;display:flex;align-items:center;justify-content:center;transition:opacity .45s ease,transform .45s ease}.loader-logo{width:130px;height:130px;object-fit:contain;filter:invert(1);opacity:.92}body.is-loaded .page-loader{pointer-events:none;visibility:hidden;transition:visibility 0s 1.2s}body.is-loaded .door-left{transform:translateX(-100%)}body.is-loaded .door-right{transform:translateX(100%)}body.is-loaded .loader-mark{opacity:0;transform:scale(.92)}

/* header */
.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(227,232,241,.78);transition:box-shadow .3s ease}.header.scrolled{box-shadow:0 12px 36px rgba(15,28,48,.06)}.header-inner{height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}.logo{display:flex;align-items:center;gap:14px;min-width:max-content}.logo-box{width:54px;height:54px;background:transparent;border-radius:0;display:flex;align-items:center;justify-content:center;padding:0;box-shadow:none}.header-logo-img,.footer-logo-img{width:54px;height:54px;object-fit:contain}.logo-text{display:flex;flex-direction:column;line-height:1.08}.logo-text strong{font-size:18px;font-weight:900;letter-spacing:.08em}.logo-text span{font-size:11px;font-weight:700;color:var(--text-muted);letter-spacing:.08em}.nav{display:flex;align-items:center;gap:24px}.nav a{font-size:14px;font-weight:800;color:var(--text-soft);position:relative;white-space:nowrap}.nav a::after{content:"";position:absolute;left:0;bottom:-8px;width:0;height:2px;background:var(--accent);transition:.25s ease}.nav a:hover,.nav a.active{color:var(--text)}.nav a:hover::after,.nav a.active::after{width:100%}.menu-btn{display:none;width:44px;height:44px;border:none;background:#fff;border-radius:999px;box-shadow:var(--shadow-soft);position:relative}.menu-btn span{position:absolute;left:12px;width:20px;height:2px;background:var(--primary);transition:.3s}.menu-btn span:nth-child(1){top:16px}.menu-btn span:nth-child(2){top:23px}.menu-btn span:nth-child(3){top:30px}.menu-btn.active span:nth-child(1){top:23px;transform:rotate(45deg)}.menu-btn.active span:nth-child(2){opacity:0}.menu-btn.active span:nth-child(3){top:23px;transform:rotate(-45deg)}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;border-radius:999px;font-weight:900;border:1px solid transparent;transition:.25s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 26px rgba(21,28,44,.16)}.btn-primary:hover{background:#0e1422}.btn-outline{background:#fff;color:var(--primary);border-color:var(--line)}.btn-outline:hover{border-color:#c8d1df}

/* hero */
.hero{position:relative;padding:112px 0 94px;overflow:hidden}.hero::before{content:"";position:absolute;right:-160px;top:40px;width:520px;height:520px;background:radial-gradient(circle,rgba(216,58,74,.13),transparent 66%);border-radius:999px;pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:72px;align-items:center}.eyebrow{display:inline-flex;align-items:center;padding:8px 14px;background:var(--accent-soft);color:var(--accent);border-radius:999px;font-size:12px;font-weight:900;letter-spacing:.12em;margin-bottom:22px}.hero-title{font-size:clamp(48px,8vw,96px);line-height:.96;letter-spacing:-.065em;font-weight:900;margin-bottom:24px}.hero-title span{font-size:.42em;color:var(--accent);letter-spacing:.16em;margin-left:8px}.hero-lead{font-size:clamp(24px,3vw,36px);font-weight:900;line-height:1.35;margin-bottom:14px}.hero-short{font-size:18px;color:var(--text-soft);font-weight:700;margin-bottom:34px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.hero-logo-card{position:relative;min-height:460px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#fff 0%,#f7f9fd 100%);border:1px solid var(--line);border-radius:34px;box-shadow:var(--shadow);padding:46px;overflow:hidden}.hero-logo-card::before{content:"VIMPACT";position:absolute;right:24px;bottom:-34px;font-size:82px;font-weight:900;color:rgba(21,28,44,.035);letter-spacing:.08em}.hero-logo-img{position:relative;z-index:1;width:min(430px,82%);height:auto;object-fit:contain}

/* common cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.card,.mvv-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-soft)}.mvv-card .label{display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;color:var(--accent);background:var(--accent-soft);height:32px;padding:0 12px;border-radius:999px;margin-bottom:18px}.mvv-card h3{font-size:26px;line-height:1.45;margin-bottom:12px}.mvv-card p,.card p{color:var(--text-soft)}.intro-section{padding:90px 0;background:#fff;border-block:1px solid var(--line)}.intro-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:54px;align-items:start}.intro-text{font-size:18px;line-height:2.05}.business-card-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.business-mini-card{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow-soft);overflow:hidden;transition:.25s ease}.business-mini-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.business-mini-img{height:210px;background:#111723;display:flex;align-items:center;justify-content:center;padding:22px}.business-mini-img img{width:100%;height:100%;object-fit:contain}.business-mini-card div:last-child{padding:24px}.business-mini-card span,.business-content .badge{display:inline-flex;margin-bottom:10px;padding:7px 12px;border-radius:999px;background:var(--blue-soft);color:#445a91;font-size:12px;font-weight:900}.business-mini-card h3{font-size:24px;margin-bottom:6px}.business-mini-card p{color:var(--text-soft);font-size:14px}

/* page hero */
.page-hero{padding:72px 0 44px}.page-hero-box{background:linear-gradient(135deg,#fff 0%,#f5f7fb 100%);border:1px solid var(--line);border-radius:34px;padding:58px;box-shadow:var(--shadow)}.page-hero-box h1{font-size:clamp(34px,5vw,60px);line-height:1.15;margin-bottom:14px;letter-spacing:-.04em}.page-hero-box p{color:var(--text-soft);max-width:760px}

/* philosophy */
.value-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}.value-item{padding:20px;border:1px solid var(--line);background:#fff;border-radius:18px;box-shadow:var(--shadow-soft)}.value-item strong{display:block;margin-bottom:6px;font-size:18px}.value-item span{color:var(--text-soft);font-size:14px}

/* business */
.business-list{display:grid;gap:24px}.business-item{display:grid;grid-template-columns:310px 1fr;gap:32px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:30px;padding:30px;box-shadow:var(--shadow-soft)}.business-logo-wrap{background:#111723;border-radius:24px;min-height:230px;display:flex;align-items:center;justify-content:center;padding:24px;overflow:hidden}.business-logo-wrap img{max-width:100%;max-height:180px;object-fit:contain}.business-logo-wrap.yotta-wrap{padding:0}.business-logo-wrap.yotta-wrap img{width:100%;height:100%;max-height:none;object-fit:cover}.business-content h2{font-size:34px;line-height:1.2;margin-bottom:8px}.business-content h3{font-size:18px;color:var(--text-soft);margin-bottom:16px}.business-content p{color:var(--text-soft)}

/* message */
.message-section{background:linear-gradient(180deg,#fff 0%,#f8fafc 100%);border-block:1px solid var(--line)}.message-layout{display:grid;grid-template-columns:.62fr 1.38fr;gap:60px;align-items:start}.message-side{position:sticky;top:120px}.message-body{background:#fff;border:1px solid var(--line);border-radius:32px;padding:44px;box-shadow:var(--shadow)}.message-body p{color:#333b4d;margin-bottom:18px;line-height:2.08}.message-body p:last-child{margin-bottom:0}.message-quote{font-size:22px!important;font-weight:900!important;color:var(--text)!important;line-height:1.65!important;padding:22px 0;margin:24px 0!important;border-block:1px solid var(--line)}.signature-block{margin-top:34px;padding-top:24px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px}.signature-block span{font-weight:800;color:var(--text-soft)}.signature-block img{width:min(420px,58%);height:auto;object-fit:contain}

/* news */
.news-list{display:grid;gap:14px}.news-item{display:grid;grid-template-columns:140px 120px 1fr 24px;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 24px;box-shadow:var(--shadow-soft);transition:.25s}.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.news-date{font-size:13px;color:var(--text-soft);font-weight:900}.news-cat{display:inline-flex;justify-content:center;align-items:center;min-height:32px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:900;padding:0 12px}.news-title{font-weight:900}.news-arrow{color:var(--accent);font-size:20px;font-weight:900}

/* company/contact */
.company-table{background:#fff;border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:var(--shadow)}.company-row{display:grid;grid-template-columns:240px 1fr;border-bottom:1px solid var(--line)}.company-row:last-child{border-bottom:none}.company-row dt{padding:24px 28px;background:#f8fbff;font-weight:900}.company-row dd{padding:24px 28px;color:var(--text-soft)}.company-row a{color:var(--primary);border-bottom:1px solid #cbd5e1}.company-row ul{padding-left:18px}.contact-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}.contact-info-card,.contact-form{background:#fff;border:1px solid var(--line);border-radius:30px;padding:32px;box-shadow:var(--shadow-soft)}.contact-info-card h3{margin-bottom:14px;font-size:24px}.contact-info-card p,.contact-info-card li{color:var(--text-soft)}.contact-info-card ul{list-style:none;display:grid;gap:10px;margin-top:16px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.form-field.full{grid-column:1/-1}.form-field label{font-weight:900;font-size:14px}.form-field input,.form-field select,.form-field textarea{width:100%;background:#fff;border:1px solid #d9e2ee;border-radius:14px;padding:14px 16px;color:var(--text);outline:none;transition:.2s}.form-field textarea{min-height:180px;resize:vertical}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:#a8b9d8;box-shadow:0 0 0 4px rgba(126,150,234,.12)}.form-note,.form-message{margin-top:12px;color:var(--text-soft);font-size:13px}.form-message.success{color:#15803d;font-weight:900}.form-message.error{color:#dc2626;font-weight:900}.hp-field{position:absolute!important;left:-9999px!important;opacity:0!important;height:0!important;width:0!important;overflow:hidden!important}

/* footer */
.footer{margin-top:60px;padding:36px 0;border-top:1px solid var(--line);background:#fff}.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}.footer-nav{display:flex;flex-wrap:wrap;gap:18px}.footer-nav a{color:var(--text-soft);font-size:14px;font-weight:800}.footer-nav a:hover,.footer-nav a.active{color:var(--text)}.copy{color:var(--text-muted);font-size:13px}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .72s ease,transform .72s ease}.reveal.show{opacity:1;transform:translateY(0)}

@media(max-width:1020px){.hero-grid,.intro-layout,.grid-3,.grid-2,.business-card-row,.business-item,.message-layout,.contact-wrap{grid-template-columns:1fr}.message-side{position:static}.hero-logo-card{min-height:360px}.business-logo-wrap{min-height:200px}.section-head-row{align-items:start;flex-direction:column}.signature-block{align-items:flex-start;flex-direction:column}.signature-block img{width:min(460px,100%)}}
@media(max-width:900px){.header-inner{height:76px}.nav{position:fixed;top:84px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:22px;flex-direction:column;align-items:flex-start;gap:18px;opacity:0;pointer-events:none;transform:translateY(-8px);transition:.25s}.nav.open{opacity:1;pointer-events:auto;transform:translateY(0)}.nav a{font-size:16px}.menu-btn{display:block}}
@media(max-width:640px){.container{width:min(calc(100% - 28px),var(--container))}.section{padding:82px 0}.hero{padding:72px 0 70px}.hero-title{font-size:clamp(48px,17vw,76px)}.hero-actions .btn{width:100%}.page-hero-box,.hero-logo-card,.card,.mvv-card,.business-item,.message-body,.contact-info-card,.contact-form{padding:24px;border-radius:24px}.hero-logo-card{min-height:280px}.logo-text span{display:none}.logo-box,.header-logo-img,.footer-logo-img{width:48px;height:48px}.value-list,.form-grid{grid-template-columns:1fr}.news-item{grid-template-columns:1fr;gap:10px}.news-arrow{display:none}.company-row{grid-template-columns:1fr}.company-row dt{padding:18px 22px 4px}.company-row dd{padding:8px 22px 18px}.footer-inner{flex-direction:column;align-items:flex-start}.footer-nav{gap:14px}.message-body p{line-height:1.95}.message-quote{font-size:19px!important}}