*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --red:#D2422D;--orange:#FF5100;--yellow:#FAC100;--gray:#A7A8A9;
  --red-soft:rgba(210,66,45,.08);--red-border:rgba(210,66,45,.25);--red-glow:rgba(210,66,45,.15);
  --bg:#f8f9fb;--bg2:#fff;--card:#ffffff;--card2:#f1f3f7;
  --text:#1e2028;--text2:#5f6577;--text3:#8a8f9e;
  --border:rgba(0,0,0,.08);
  --grad-hero:linear-gradient(135deg,#fff5f0 0%,#fff 40%,#fef8f0 100%)
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Sans JP','Inter',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.accent{color:var(--red)}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s,transform .7s}.reveal.visible{opacity:1;transform:translateY(0)}

/* ナビ */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:all .3s;background:rgba(255,255,255,.8);backdrop-filter:blur(12px)}
nav.scrolled{background:rgba(255,255,255,.95);box-shadow:0 1px 12px rgba(0,0,0,.06);padding:10px 0}
.nav-inner{max-width:1120px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-size:1.3rem;font-weight:900;color:var(--text);display:flex;align-items:center;gap:8px}.nav-logo span{color:var(--red)}
.nav-logo-img{height:28px;width:auto}
.nav-links{display:flex;list-style:none;gap:20px;align-items:center}
.nav-links a{color:var(--text2);text-decoration:none;font-size:.82rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--red)}

/* ヒーロー */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:var(--grad-hero)}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(100px);animation:orbF 8s ease-in-out infinite}
.orb1{width:500px;height:500px;background:radial-gradient(circle,rgba(210,66,45,.08) 0%,transparent 70%);top:-100px;left:-100px}
.orb2{width:400px;height:400px;background:radial-gradient(circle,rgba(250,193,0,.06) 0%,transparent 70%);bottom:-50px;right:-50px;animation-delay:-3s}
@keyframes orbF{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-20px) scale(1.05)}}
.grid-ov{position:absolute;inset:0;background-image:linear-gradient(rgba(0,0,0,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.02) 1px,transparent 1px);background-size:60px 60px}
.hero-content{position:relative;z-index:1;text-align:center;padding:120px 24px 80px;max-width:860px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--red-soft);border:1px solid var(--red-border);color:var(--red);padding:6px 16px;border-radius:100px;font-size:.85rem;font-weight:600;margin-bottom:32px;animation:fadeIn .8s}
.badge-dot{width:8px;height:8px;background:var(--red);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}}
.hero h1{font-size:clamp(2.2rem,5vw,3.4rem);font-weight:900;letter-spacing:-.02em;line-height:1.15;margin-bottom:16px;color:var(--text)}
.hero h1 .accent{background:linear-gradient(135deg,var(--red),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:1.05rem;color:var(--text2);margin-bottom:24px;line-height:1.8}
.hero-desc{font-size:1rem;color:var(--text2);margin-bottom:40px;line-height:1.9}
.hero-desc strong{color:var(--text)}
.hi-num{color:var(--red);font-weight:900;font-size:1.3em}
.stats{display:flex;align-items:center;justify-content:center;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.stat{text-align:center}
.stat-n{font-size:2.4rem;font-weight:900;background:linear-gradient(135deg,var(--red),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.stat-u{font-size:1.4rem;font-weight:700}
.stat-l{display:block;font-size:.8rem;color:var(--text3);margin-top:4px}
.stat-d{width:1px;height:40px;background:var(--border)}
.btn-p{display:inline-flex;background:linear-gradient(135deg,var(--red),var(--orange));color:#fff;padding:14px 32px;border-radius:100px;font-weight:700;font-size:.95rem;text-decoration:none;transition:all .3s;box-shadow:0 4px 24px var(--red-glow)}
.btn-p:hover{transform:translateY(-3px);box-shadow:0 8px 32px rgba(210,66,45,.3)}

/* セクション共通 */
section{padding:100px 0}
.sec-hd{text-align:center;margin-bottom:64px}
.sec-lb{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.2em;color:var(--red);margin-bottom:12px}
.sec-tt{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900;letter-spacing:-.02em;margin-bottom:16px;color:var(--text)}
.sec-ds{color:var(--text2);font-size:1rem;line-height:1.8}

/* アーキテクチャ */
.arch{background:var(--bg2)}
.layers{max-width:700px;margin:0 auto;display:flex;flex-direction:column;gap:0}
.layer{border-radius:16px;padding:20px 24px;text-align:center;border:1px solid var(--border);transition:all .3s;background:var(--card)}
.layer:hover{box-shadow:0 4px 16px rgba(0,0,0,.06)}
.layer .num{font-size:.7rem;font-weight:700;letter-spacing:.15em;color:var(--red);margin-bottom:4px}
.layer .tt{font-size:1rem;font-weight:700;margin-bottom:4px;color:var(--text)}
.layer .ds{font-size:.82rem;color:var(--text2)}
.l1{background:linear-gradient(135deg,rgba(139,92,246,.08),rgba(139,92,246,.02));border-color:rgba(139,92,246,.2)}
.l1 .tt{color:#7c3aed}
.l2{background:linear-gradient(135deg,rgba(210,66,45,.08),rgba(255,81,0,.03));border-color:var(--red-border)}
.l2 .tt{color:var(--red)}
.l3{background:linear-gradient(135deg,rgba(3,105,161,.06),rgba(3,105,161,.01));border-color:rgba(3,105,161,.15)}
.l3 .tt{color:#0369a1}
.l4{background:linear-gradient(135deg,rgba(22,163,74,.06),rgba(22,163,74,.01));border-color:rgba(22,163,74,.15)}
.l4 .tt{color:#16a34a}
.arrow-d{text-align:center;color:var(--text3);font-size:.8rem;padding:6px 0}

/* ソリューション */
.solutions{background:var(--bg)}
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:48px}
.sol-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:24px;transition:all .3s;box-shadow:0 1px 4px rgba(0,0,0,.04);overflow:hidden}
.sol-card:hover{border-color:var(--red-border);transform:translateY(-6px);box-shadow:0 8px 32px rgba(0,0,0,.08),0 0 0 1px var(--red-border)}
.sol-img{width:100%;height:160px;object-fit:cover;border-radius:12px;margin-bottom:16px;background:var(--card2)}
.sol-hd{display:flex;align-items:center;justify-content:flex-end;margin-bottom:12px}
.sol-st{font-size:.72rem;font-weight:600;padding:4px 10px;border-radius:100px}
.st-run{background:var(--red-soft);color:var(--red)}
.st-dev{background:rgba(250,193,0,.12);color:#b8860b}
.sol-card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px;color:var(--text)}
.sol-card p{font-size:.85rem;color:var(--text2);line-height:1.7;margin-bottom:16px}
.sol-tags{display:flex;flex-wrap:wrap;gap:6px}
.sol-tag{background:var(--card2);border:1px solid var(--border);color:var(--text2);padding:3px 10px;border-radius:100px;font-size:.75rem}
.sol-more{text-align:center;color:var(--text2);font-size:.95rem}
.sol-more strong{color:var(--text)}

/* 技術スタック */
.tech{background:var(--bg2)}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:40px}
.tech-cat{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:28px;transition:all .3s;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.tech-cat:hover{border-color:var(--red-border);box-shadow:0 4px 16px rgba(0,0,0,.06)}
.tech-cat-hd{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.tech-cat-hd span{font-size:1.5rem}.tech-cat-hd h3{font-size:1rem;font-weight:700;color:var(--text)}
.tech-items{display:flex;flex-direction:column;gap:12px}
.tech-item{font-size:.88rem;color:var(--text2);padding-left:16px;position:relative}
.tech-item::before{content:'›';position:absolute;left:0;color:var(--red);font-weight:700}
.badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.badge{background:var(--card);border:1px solid var(--border);color:var(--text2);padding:6px 16px;border-radius:100px;font-size:.82rem;font-weight:500;transition:all .2s;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.badge:hover{border-color:var(--red);color:var(--red);background:var(--red-soft)}

/* 数字で見る */
.numbers{background:var(--bg)}
.num-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.num-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:32px 24px;text-align:center;transition:all .3s;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.num-card:hover{border-color:var(--red-border);box-shadow:0 4px 16px rgba(0,0,0,.06)}
.num-card .icon{font-size:2rem;margin-bottom:12px}
.num-card .val{font-size:2.4rem;font-weight:900;background:linear-gradient(135deg,var(--red),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.num-card .unit{font-size:1rem;font-weight:700}
.num-card .label{display:block;font-size:.82rem;color:var(--text2);margin-top:8px}

/* 理念 */
.philosophy{background:var(--bg2)}
.phil-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.phil-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:36px 28px;text-align:center;transition:all .3s;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.phil-card:hover{border-color:var(--red-border);box-shadow:0 4px 16px rgba(0,0,0,.06);transform:translateY(-4px)}
.phil-icon{font-size:2.4rem;margin-bottom:16px}
.phil-card h3{font-size:1.1rem;font-weight:700;margin-bottom:12px;color:var(--text)}
.phil-card p{font-size:.88rem;color:var(--text2);line-height:1.8}

/* 法人概要 */
.corporate{background:var(--bg)}
.corp-grid{max-width:700px;margin:0 auto}
.corp-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:16px;overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.corp-table tr{border-bottom:1px solid var(--border)}
.corp-table tr:last-child{border-bottom:none}
.corp-table th{padding:14px 20px;font-size:.88rem;font-weight:600;color:var(--text);text-align:left;width:130px;background:var(--card2);vertical-align:top}
.corp-table td{padding:14px 20px;font-size:.88rem;color:var(--text2)}
.corp-table a{color:var(--red);text-decoration:none;font-weight:500}
.corp-table a:hover{text-decoration:underline}

/* フッター */
footer{padding:48px 0;border-top:1px solid var(--border);text-align:center;background:var(--bg2)}
footer .logo{font-size:1.2rem;font-weight:900;margin-bottom:8px;color:var(--text)}
footer .logo .accent{color:var(--red)}
footer p{font-size:.82rem;color:var(--text3)}

/* アニメ */
@keyframes fadeIn{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}

/* ハンバーガーメニュー */
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;z-index:1001;flex-direction:column;gap:5px}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* レスポンシブ */
@media(max-width:900px){
.sol-grid,.tech-grid,.phil-grid{grid-template-columns:1fr 1fr}
.num-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
.sol-grid,.tech-grid,.num-grid,.phil-grid{grid-template-columns:1fr}
.hamburger{display:flex}
.nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(255,255,255,.98);backdrop-filter:blur(12px);flex-direction:column;padding:16px 24px;box-shadow:0 8px 32px rgba(0,0,0,.1);gap:0}
.nav-links.open{display:flex}
.nav-links li{border-bottom:1px solid var(--border)}
.nav-links li:last-child{border-bottom:none}
.nav-links a{display:block;padding:14px 0;font-size:.95rem}
.stats{gap:20px}
.hero h1{font-size:2rem}
}