:root{--bg:#fffdf9;--ink:#102b55;--muted:#637083;--line:#e6e9ef;--panel:#fff;--coral:#ff6b57;--coral-soft:#fff0ec;--mint:#5bb8a7;--mint-soft:#eaf7f4;--sky:#5b8fc2;--sky-soft:#eef5fb;--gold:#f4bf5e;--gold-soft:#fff7e7;--shadow:0 14px 36px rgba(16,43,85,.08);--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",Meiryo,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.wrap{width:min(1180px,calc(100% - 36px));margin:auto}.topnote{background:#102b55;color:#fff;text-align:center;padding:8px 12px;font-size:11px}
header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(16,43,85,.07)}.head{height:72px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:900;letter-spacing:.08em}.logo{width:34px;height:34px;position:relative}.logo:before,.logo:after{content:"";position:absolute;border:2px solid var(--ink);background:#fff;border-radius:3px}.logo:before{width:19px;height:25px;left:2px;top:2px;transform:rotate(-6deg)}.logo:after{width:19px;height:25px;right:1px;top:5px;transform:rotate(7deg);border-color:var(--mint)}nav{margin-left:auto;display:flex;align-items:center;gap:22px;font-size:12px;font-weight:800}nav a:hover{color:var(--coral)}.cta{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:var(--coral);color:#fff;font-weight:900;padding:12px 18px;box-shadow:0 8px 20px rgba(255,107,87,.22);cursor:pointer}
.hero{padding:70px 0 36px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.eyebrow{font-size:11px;font-weight:900;letter-spacing:.12em;color:var(--coral)}h1,h2,h3{margin-top:0}h1{font-size:clamp(42px,5vw,68px);line-height:1.24;letter-spacing:.02em;margin-bottom:16px}.hero p{font-size:15px;color:var(--muted);max-width:680px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0}.btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:0 21px;border-radius:999px;border:1px solid transparent;font-size:12px;font-weight:900;cursor:pointer}.btn.primary{background:var(--coral);color:#fff}.btn.secondary{background:#fff;border-color:#d9dfe8}.btn.mint{background:var(--mint);color:#fff}.benefits{display:flex;gap:8px;flex-wrap:wrap}.benefit{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-size:10px;font-weight:800}
.hero-art{background:linear-gradient(145deg,var(--mint-soft),#fff7ec);border-radius:34px;min-height:380px;position:relative;overflow:hidden;border:1px solid #edf0f3}.paper{position:absolute;width:180px;height:220px;background:#fff;border:1px solid #cfd7e3;border-radius:8px;box-shadow:var(--shadow)}.paper.one{left:95px;top:68px;transform:rotate(-7deg)}.paper.two{left:190px;top:55px;transform:rotate(5deg)}.paper.three{left:270px;top:100px;transform:rotate(9deg)}.paper:before{content:"";position:absolute;left:22px;right:22px;top:35px;height:8px;background:#dfe8f1;box-shadow:0 26px 0 #edf1f5,0 52px 0 #edf1f5,0 78px 0 #edf1f5}.filebadge{position:absolute;width:48px;height:48px;border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:var(--shadow)}.filebadge.w{background:#4e7ec2;left:308px;top:42px}.filebadge.x{background:#3a9f70;right:42px;top:80px}.filebadge.p{background:var(--coral);left:56px;bottom:42px}.folder{position:absolute;width:145px;height:95px;background:#ffd06d;border:2px solid #e7b64c;border-radius:8px;right:42px;bottom:44px;transform:rotate(-4deg)}.folder:before{content:"";position:absolute;width:62px;height:20px;background:#ffd06d;border:2px solid #e7b64c;border-bottom:0;border-radius:7px 7px 0 0;left:10px;top:-19px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:34px}.stat{padding:18px;border-top:1px solid var(--line)}.stat strong{display:block;font-size:28px}.stat span{font-size:10px;color:var(--muted)}.section{padding:70px 0}.section.white{background:#fff;border-top:1px solid #f0f1f3;border-bottom:1px solid #f0f1f3}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:28px}.section-head h2{font-size:clamp(30px,4vw,46px);margin:6px 0 0}.section-head p{max-width:580px;color:var(--muted);font-size:13px}
.category-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.cat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;cursor:pointer;transition:.2s}.cat:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.cat .icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:900;margin-bottom:12px}.cat:nth-child(4n+1) .icon{background:var(--mint-soft);color:#228c79}.cat:nth-child(4n+2) .icon{background:var(--coral-soft);color:#d64f3d}.cat:nth-child(4n+3) .icon{background:var(--sky-soft);color:#39709f}.cat:nth-child(4n) .icon{background:var(--gold-soft);color:#a87922}.cat h3{font-size:14px;margin-bottom:5px}.cat p{font-size:10px;color:var(--muted);margin:0}
.finder{background:#102b55;color:#fff;border-radius:28px;padding:30px;display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}.finder h2{font-size:34px;margin-bottom:8px}.finder p{color:rgba(255,255,255,.72);font-size:12px}.searchbox{background:#fff;color:var(--ink);border-radius:20px;padding:18px}.searchrow{display:grid;grid-template-columns:1fr auto;gap:8px}.searchrow input{min-width:0;border:1px solid var(--line);border-radius:12px;padding:12px 14px}.searchrow button{border:0;border-radius:12px;background:var(--coral);color:#fff;font-weight:900;padding:0 16px}.quick-results{display:grid;gap:8px;margin-top:12px}.quick{border:1px solid var(--line);border-radius:12px;padding:10px 12px;display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center}.quick strong{font-size:11px}.quick span{font-size:9px;color:var(--muted)}.price{font-size:16px;font-weight:900;white-space:nowrap;color:var(--ink)}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.product-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:.2s}.product-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.thumb{height:135px;display:grid;place-items:center;background:linear-gradient(135deg,#f5f9fb,#fff3ef)}.doc{width:88px;height:106px;background:#fff;border:1px solid #d5dde7;border-radius:5px;box-shadow:0 12px 24px rgba(16,43,85,.08);padding:12px;transform:rotate(-2deg)}.doc:before{content:"";display:block;height:8px;border-radius:3px;background:#dce7f0;box-shadow:0 22px 0 #edf1f5,0 44px 0 #edf1f5,0 66px 0 #edf1f5}.card-body{padding:15px;display:flex;flex-direction:column;flex:1}.tags{display:flex;gap:5px;flex-wrap:wrap}.tag{font-size:8px;font-weight:900;border-radius:999px;padding:4px 8px;background:var(--mint-soft);color:#257c6f}.tag.word{background:var(--sky-soft);color:#326ea1}.tag.ppt{background:var(--coral-soft);color:#b74839}.tag.pack{background:var(--gold-soft);color:#956c1f}.product-card h3{font-size:12px;line-height:1.55;margin:10px 0 5px}.product-card p{font-size:9px;color:var(--muted);margin:0 0 14px}.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto}.card-foot strong{font-size:18px}.buy{border:0;background:var(--coral);color:#fff;border-radius:999px;font-size:9px;font-weight:900;padding:8px 11px;cursor:pointer}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.filter{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-size:10px;font-weight:800;cursor:pointer}.filter.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.catalog-controls{display:grid;grid-template-columns:1fr auto;gap:10px;margin-bottom:18px}.catalog-controls input,.catalog-controls select{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 14px}.sample{background:linear-gradient(135deg,var(--mint-soft),#fff7ea);border:1px solid #e9eee9;border-radius:28px;padding:30px;display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}.sample h2{font-size:34px;margin:6px 0 10px}.sample p{font-size:12px;color:var(--muted)}.sheetmock{background:#fff;border:1px solid #d9e0e7;border-radius:16px;padding:15px;box-shadow:var(--shadow)}.sheetbar{display:flex;justify-content:space-between;font-size:10px;border-bottom:1px solid var(--line);padding-bottom:8px}.gridmock{display:grid;grid-template-columns:1.4fr .8fr .8fr .8fr;gap:5px;margin-top:10px}.cell{height:26px;border:1px solid #e4e8ed;border-radius:4px}.cell.head{background:#dff2ee}.cell.warn{background:#fff0d7}
.promise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.promise{border:1px solid var(--line);border-radius:18px;padding:20px;background:#fff}.promise h3{font-size:14px;margin-bottom:6px}.promise p{font-size:10px;color:var(--muted);margin:0}.faq{display:grid;gap:9px}.faq details{border:1px solid var(--line);background:#fff;border-radius:14px;padding:0 15px}.faq summary{font-size:12px;font-weight:900;cursor:pointer;padding:15px 0}.faq p{font-size:10px;color:var(--muted);padding-bottom:14px}.contact-card{display:grid;grid-template-columns:1fr 1fr;gap:24px;background:#f7fafc;border:1px solid var(--line);border-radius:24px;padding:26px}.form{display:grid;gap:10px}.form input,.form textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px;background:#fff}.form textarea{min-height:110px;resize:vertical}.small{font-size:10px;color:var(--muted)}footer{padding:38px 0 50px}.foot{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:20px;border-top:1px solid var(--line);padding-top:22px;font-size:10px;color:var(--muted)}.foot strong{display:block;color:var(--ink);font-size:14px}.foot a{display:block;margin:4px 0}.countline{font-size:11px;color:var(--muted);margin-bottom:12px}.toast{position:fixed;right:20px;bottom:20px;background:#102b55;color:#fff;padding:12px 16px;border-radius:12px;font-size:11px;box-shadow:var(--shadow);display:none;z-index:100}
@media(max-width:980px){nav{display:none}.hero-grid,.finder,.sample,.contact-card{grid-template-columns:1fr}.category-grid{grid-template-columns:repeat(3,1fr)}.product-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.wrap{width:min(100% - 24px,560px)}.head{height:62px}.brand{font-size:20px}.hero{padding:40px 0 24px}h1{font-size:38px}.hero-art{min-height:300px}.paper{transform:scale(.78)!important}.paper.one{left:30px}.paper.two{left:105px}.paper.three{left:175px}.filebadge.x{right:18px}.folder{right:18px;width:120px}.stats{grid-template-columns:1fr 1fr}.section{padding:48px 0}.section-head{display:block}.category-grid{grid-template-columns:1fr 1fr}.product-grid{grid-template-columns:1fr}.promise-grid{grid-template-columns:1fr}.catalog-controls{grid-template-columns:1fr}.foot{grid-template-columns:1fr}.cta{padding:9px 13px;font-size:10px}}