:root{--red:#d84a4a;--red-dark:#b63434;--blue:#245ea8;--blue-dark:#17467d;--black:#202124;--text:#333;--muted:#5f6672;--line:#e6e8ec;--bg:#fff;--soft:#fff7f6;--soft2:#f5f8fc;--soft3:#f3f5f8;--max:1200px;--radius:18px;--shadow:0 14px 34px rgba(0,0,0,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--text);line-height:1.8;background:#fff;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img{display:block;max-width:100%;height:auto}a{text-decoration:none;color:inherit}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid #ececec}
.header-inner{max-width:var(--max);margin:auto;padding:14px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.logo-img{width:132px;height:auto;display:block}
.header-copy{font-size:14px;font-weight:700;color:var(--muted);margin-right:auto}
.header-tel{font-size:16px;font-weight:800;color:#111;white-space:nowrap}
.header-btn,.btn,.btn-sm{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:800;transition:.2s ease}
.header-btn{padding:12px 18px;font-size:14px;white-space:nowrap}
.header-btn.outline{background:#f7ecec;border:1px solid #f1c3c3;color:var(--red-dark)}
.header-btn.fill{background:var(--red);color:#fff}
.header-btn:hover,.btn:hover,.btn-sm:hover{transform:translateY(-1px);filter:brightness(.98)}
.wrap{max-width:var(--max);margin:auto;padding:0 20px}
.hero{background:linear-gradient(135deg,#fff 0%,#fff7f6 46%,#f7fbff 100%);padding:34px 0 30px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid #f1d7d7;color:var(--red-dark);padding:8px 14px;border-radius:999px;font-weight:800;font-size:13px;letter-spacing:.06em}
.hero h1{margin:16px 0 14px;font-size:clamp(34px,4.7vw,58px);line-height:1.14;letter-spacing:-.03em;color:#111}
.hero p.lead{margin:0 0 18px;font-size:17px;font-weight:500;color:#444;max-width:42em}
.hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0}
.point{background:#fff;border:1px solid #eceff3;border-radius:16px;padding:14px 16px;box-shadow:var(--shadow)}
.point b{display:block;font-size:15px;color:#111;margin-bottom:4px}.point span{font-size:13px;color:var(--muted);font-weight:600}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px}.btn{padding:15px 22px;font-size:15px}.btn.primary{background:var(--red);color:#fff}.btn.secondary{background:#fff;border:1px solid #d9dfe7;color:#21324a}.btn.blue{background:var(--blue);color:#fff}.btn.ghost{background:#fff;border:1px solid #e4e4e4}
.hero-visual{background:#fff;border:1px solid #edf0f4;border-radius:26px;box-shadow:var(--shadow);padding:16px}
.hero-visual img{border-radius:18px;aspect-ratio:4/3;object-fit:cover}
.hero-note{margin-top:10px;font-size:12px;color:#7b818c;font-weight:600}
section{padding:64px 0}.section-soft{background:var(--soft2)}.section-soft-red{background:var(--soft)}
.sec-head{margin-bottom:24px}.eyebrow{color:var(--red-dark);font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.sec-head h2{margin:8px 0 10px;font-size:clamp(28px,3.2vw,42px);line-height:1.2;letter-spacing:-.02em;color:#111}.sec-head p{margin:0;max-width:60em;color:#5b6470;font-size:16px;font-weight:600}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow)}.card h3{margin:0 0 10px;font-size:22px;line-height:1.4;color:#111}.card p,.card li{font-size:15px;font-weight:600;color:#4c5664}.card ul{margin:0;padding-left:1.2em}
.icon-badge{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:#fff3f3;color:var(--red-dark);font-weight:900;font-size:20px;margin-bottom:16px}
.scene-card{display:flex;flex-direction:column;gap:10px}.scene-card h3{font-size:22px;margin:0;color:#111}.scene-card p{margin:0;font-weight:600;color:#5c6470}
.examples{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.example-main,.example-sub{display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}.example-main img,.example-sub img{display:block;width:100%;aspect-ratio:4/3;height:auto;object-fit:contain;background:#fff;padding:20px}.sub-grid{display:grid;grid-template-rows:1fr 1fr;gap:18px}.example-caption{padding:14px 16px;font-size:14px;font-weight:700;color:#4c5563;background:#fff}
.spec-shell{display:grid;grid-template-columns:1fr 1fr;gap:18px}.spec-list{display:grid;gap:12px}.spec-item{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;padding:14px 16px;border-radius:14px;background:#f7f9fc;border:1px solid #e6ecf3}.spec-item b{min-width:120px;color:#111;font-size:15px}.spec-item span{font-size:15px;font-weight:700;color:#4b5360;text-align:right}
.tip-grid,.faq-grid,.flow-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.tip-card .badge{display:inline-flex;padding:8px 12px;border-radius:999px;font-size:12px;font-weight:900;letter-spacing:.05em;margin-bottom:12px}.badge.red{background:#fff1f1;color:var(--red-dark)}.badge.blue{background:#edf4ff;color:var(--blue-dark)}
.note-box{background:#fcfdff;border:1px solid #dfe6ef;border-radius:18px;padding:20px}.note-box ul{margin:0;padding-left:1.2em}.note-box li{font-weight:600;color:#505967}
.diagram-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:18px;align-items:start}.diagram-card img{border-radius:16px;border:1px solid #e6eaef}.diagram-card .caption{margin-top:10px;color:#6c7480;font-size:13px;font-weight:700}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:16px 14px;border-bottom:1px solid #edf1f5;text-align:center;font-size:15px;font-weight:700}th{background:#fafbfc;color:#111}td:first-child,th:first-child{text-align:left;padding-left:20px}tbody tr:nth-child(even){background:#fcfdff}
.price-note{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:18px}.mini-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}.mini-card h3{font-size:18px;margin:0 0 8px;color:#111}.mini-card p,.mini-card li{font-size:14px;font-weight:600;color:#58616f}.mini-card ul{margin:0;padding-left:1.2em}
.template-panel{display:grid;grid-template-columns:1fr auto;align-items:center;gap:18px;padding:24px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.template-actions{display:flex;flex-direction:column;gap:12px}.btn-sm{padding:13px 18px;font-size:15px;color:#fff}.btn-sm.red{background:var(--red)}.btn-sm.blue{background:var(--blue)}
details.faq{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 18px;box-shadow:var(--shadow)}details.faq summary{list-style:none;cursor:pointer;padding:18px 0;font-size:17px;font-weight:800;color:#111}details.faq summary::-webkit-details-marker{display:none}details.faq p{margin:0 0 18px;font-size:15px;font-weight:600;color:#55606d}
.flow-step{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}.flow-no{display:inline-flex;width:42px;height:42px;border-radius:50%;align-items:center;justify-content:center;background:#fff2f2;color:var(--red-dark);font-weight:900;margin-bottom:14px}.flow-step h3{margin:0 0 10px;font-size:22px;color:#111}.flow-step p{margin:0;font-size:15px;font-weight:600;color:#55606a}
.cta-box{display:grid;grid-template-columns:1fr .95fr;gap:18px;align-items:stretch;padding:28px;border-radius:28px;background:linear-gradient(135deg,#171717 0%,#2b2b2b 100%);color:#fff;box-shadow:var(--shadow)}.cta-box h2{margin:0 0 12px;font-size:clamp(28px,3vw,40px);line-height:1.2}.cta-box p{margin:0 0 18px;color:rgba(255,255,255,.86);font-size:16px;font-weight:600}.cta-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.cta-pill{border:1px solid rgba(255,255,255,.15);border-radius:14px;padding:12px 14px;background:rgba(255,255,255,.06);font-size:15px;font-weight:800}.cta-side{background:#fff;color:#222;border-radius:24px;padding:22px}.cta-side h3{margin:0 0 8px;font-size:20px;color:#111}.cta-side p{margin:0 0 4px;color:#5d6671;font-size:14px;font-weight:700}.cta-side .cta-buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}.cta-side .btn{padding:13px 18px;font-size:14px}
.site-footer{background:#f6f7f9;border-top:1px solid #e6e8ee;padding:42px 0 24px;margin-top:64px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:32px}.footer-logo{width:120px;margin-bottom:18px}.footer-col h3{margin:0 0 14px;font-size:22px;color:#111}.footer-col p,.footer-col li{font-size:14px;font-weight:700;color:#58606c}.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}.copyright{margin-top:24px;padding-top:20px;border-top:1px solid #e1e5eb;text-align:center;font-size:13px;color:#6a7380;font-weight:700}
.anchor-offset{scroll-margin-top:100px}
@media (max-width:980px){.hero-grid,.examples,.spec-shell,.diagram-layout,.cta-box,.footer-grid,.template-panel{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:1fr}.grid-2,.tip-grid,.faq-grid,.flow-grid,.price-note{grid-template-columns:1fr}.template-actions{width:100%}.template-actions .btn-sm{width:100%}.cta-points{grid-template-columns:1fr}}
@media (max-width:640px){.header-inner{gap:12px}.logo-img{width:108px}.header-copy{font-size:12px;order:3;width:100%;margin-right:0}.header-tel{font-size:15px}.hero{padding-top:24px}.hero-points{grid-template-columns:1fr}.grid-4{grid-template-columns:1fr}.sec-head h2{font-size:30px}.card,.flow-step,.mini-card{padding:20px}.template-panel{padding:20px}.btn,.header-btn{width:100%}.hero-cta{display:grid;grid-template-columns:1fr}.examples{gap:16px}.sub-grid{grid-template-rows:auto;grid-template-columns:1fr}.cta-box{padding:22px}.cta-side .cta-buttons{display:grid;grid-template-columns:1fr}.cta-side .btn{width:100%}table{min-width:680px}}


.sheet-figure{margin:22px 0 26px;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.sheet-figure img{width:100%;height:auto;display:block}
.sheet-figure .cap{padding:14px 18px 18px;color:#555;font-size:14px;background:#fff}
.sheet-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:22px;align-items:start;margin:18px 0 8px}
.sheet-note{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.sheet-note h3{margin:0 0 10px;font-size:22px;color:#111}
.sheet-note p{margin:0 0 12px;color:#555}
.sheet-note ul{margin:0;padding-left:1.2em;color:#555}
.sheet-note li+li{margin-top:8px}
.highlight-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}
.highlight-list div{background:#fff7f6;border:1px solid #f3d6d2;border-radius:14px;padding:12px 14px;font-weight:800;color:#7a2f2f}
.diagram-hero{margin:18px 0 24px}
@media (max-width: 900px){.sheet-grid{grid-template-columns:1fr}.highlight-list{grid-template-columns:1fr}}

.example-cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:18px}
.example-card-small{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.example-card-small img{display:block;width:100%;height:300px;object-fit:contain;background:#fff;padding:18px}
.example-card-small .example-caption{margin-top:auto;text-align:center;padding:12px 14px;font-size:14px;font-weight:800;color:#4c5563;background:#fff}
.design-template-buttons{display:grid;gap:8px;margin-top:14px}
.design-mini-btn{display:block;padding:10px 12px;border-radius:999px;text-align:center;color:#fff;font-size:13px;font-weight:800}
.design-mini-btn.red{background:var(--red)}
.design-mini-btn.blue{background:var(--blue)}
.sheet-figure .cap{font-weight:600;line-height:1.7}
@media (max-width:900px){.example-cards-3{grid-template-columns:1fr}.example-card-small img{height:auto;max-height:460px}}