/*
Theme Name: QISI Japan
Description: QISI公式サイト専用の軽量テーマ
Version: 1.0.0
*/
:root{--ink:#152235;--muted:#607086;--brand:#e4002b;--brand2:#ff5a62;--paper:#fff;--soft:#f4f7fb;--line:#dfe6ef;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;line-height:1.75;background:#fff}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-row{height:76px;display:flex;align-items:center;gap:32px}.logo img{display:block;width:190px}.nav{margin-left:auto;display:flex;gap:25px;align-items:center;font-weight:700;font-size:14px}.nav a:hover{color:var(--brand)}.nav .cta{background:var(--brand);color:#fff;padding:11px 20px;border-radius:999px}.menu-toggle{display:none;margin-left:auto;border:0;background:var(--soft);font-size:22px;padding:8px 12px;border-radius:10px}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 80% 10%,#ffe1e5 0,transparent 34%),linear-gradient(135deg,#fff 0,#f4f7fb 100%);padding:92px 0}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--brand);font-weight:800;letter-spacing:.08em;font-size:13px}.hero h1{font-size:clamp(38px,5.3vw,68px);line-height:1.12;letter-spacing:-.04em;margin:18px 0 22px}.hero h1 span{color:var(--brand)}.hero p{color:var(--muted);font-size:18px;max-width:620px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 24px;border-radius:12px;font-weight:800;border:1px solid var(--line);background:#fff}.btn.primary{border-color:var(--brand);background:var(--brand);color:#fff}.hero-card{background:#fff;border:1px solid var(--line);box-shadow:0 25px 70px rgba(21,34,53,.13);border-radius:30px;padding:34px;transform:rotate(1.5deg)}.hero-card .mock{aspect-ratio:4/3;border-radius:20px;background:linear-gradient(145deg,#17263b,#364f70);display:grid;place-items:center;color:#fff;text-align:center;padding:30px}.mock strong{font-size:32px}.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}.trust div{padding:14px;background:var(--soft);border-radius:14px;text-align:center}.trust b{display:block;font-size:20px}.section{padding:84px 0}.section.soft{background:var(--soft)}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}.section h2{font-size:clamp(28px,4vw,44px);line-height:1.25;margin:0}.section-head p{color:var(--muted);max-width:560px;margin:0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 8px 30px rgba(21,34,53,.06)}.card .icon{width:52px;height:52px;border-radius:16px;background:#fff0f2;color:var(--brand);display:grid;place-items:center;font-size:24px}.card h3{margin:18px 0 8px;font-size:21px}.card p{margin:0;color:var(--muted)}.products{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.product-tile{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.product-art{aspect-ratio:1;background:linear-gradient(145deg,#f2f5f9,#e3e9f2);display:grid;place-items:center;font-size:50px}.product-copy{padding:20px}.product-copy small{color:var(--brand);font-weight:800}.product-copy h3{font-size:17px;line-height:1.5;margin:7px 0}.banner{background:linear-gradient(135deg,#be0024,#f13b4f);color:#fff;border-radius:28px;padding:46px;display:flex;align-items:center;justify-content:space-between;gap:30px}.banner h2{font-size:34px}.banner p{opacity:.9}.banner .btn{color:var(--brand);border:0}.page-main{padding:68px 0;min-height:60vh}.page-main h1{font-size:42px}.content-box{max-width:850px}.notice{padding:18px 20px;background:#fff6df;border-left:4px solid #f0a000;border-radius:8px}.site-footer{background:#101a29;color:#d8e0eb;padding:52px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:44px}.site-footer h3{color:#fff}.site-footer a{display:block;margin:8px 0;color:#d8e0eb}.copyright{border-top:1px solid #2d394b;margin-top:34px;padding-top:22px;color:#92a0b3;font-size:13px}@media(max-width:800px){.header-row{height:66px}.logo img{width:150px}.menu-toggle{display:block}.nav{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}.nav.open{display:flex}.hero{padding:60px 0}.hero-grid{grid-template-columns:1fr}.hero-card{transform:none}.cards,.products{grid-template-columns:1fr 1fr}.section-head,.banner{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr}}@media(max-width:520px){.cards,.products,.trust{grid-template-columns:1fr}.section{padding:60px 0}.hero h1{font-size:40px}.banner{padding:30px}}