:root{--color-primary: #f59e0b;--color-primary-dark: #c96a08;--color-navy: #172554;--color-text: #1e293b;--color-text-light: #64748b;--color-bg: #fffaf0;--color-surface: #ffffff;--color-border: #f0e6d2;--color-blue-soft: #eaf5ff;--max-width: 1180px;--reading-width: 760px;--radius-sm: 12px;--radius-md: 20px;--radius-lg: 32px;--shadow-soft: 0 16px 45px rgba(30, 41, 59, .08)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:96px}body{min-width:0;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;font-family:Noto Sans JP,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.75;-webkit-font-smoothing:antialiased}main{flex:1}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}:focus-visible{outline:3px solid rgba(37,99,235,.45);outline-offset:3px}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.skip-link{position:fixed;top:.75rem;left:.75rem;z-index:1000;padding:.65rem 1rem;border-radius:10px;color:#fff;background:var(--color-navy);font-weight:800;transform:translateY(-160%);transition:transform .15s ease}.skip-link:focus{transform:translateY(0)}.site-header{position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(240,230,210,.8);background:#ffffffeb;backdrop-filter:blur(18px)}.header-inner{width:min(calc(100% - 2rem),var(--max-width));min-height:76px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1.5rem}.brand{display:inline-flex;align-items:center;gap:.7rem;flex-shrink:0}.brand img{width:48px;height:48px;display:block;object-fit:contain;border-radius:14px}.brand-copy{display:grid;line-height:1.05;color:var(--color-navy)}.brand-copy strong{font-size:1rem;letter-spacing:.01em}.brand-copy small{margin-top:.25rem;color:var(--color-primary-dark);font-size:.68rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase}.site-navigation{display:flex;align-items:center;gap:1.35rem}.site-navigation a{font-size:.87rem;font-weight:700;white-space:nowrap;transition:color .2s,transform .2s}.site-navigation a:hover{color:var(--color-primary-dark)}.site-navigation .nav-simulator,.site-navigation .nav-contact{padding:.62rem .9rem;border-radius:999px}.site-navigation .nav-simulator{background:#fff5d8;color:#9a5700}.site-navigation .nav-contact{background:var(--color-navy);color:#fff}.menu-toggle{display:none;width:44px;height:44px;border:0;border-radius:12px;background:#fff5d8;cursor:pointer;padding:11px}.menu-toggle span{display:block;height:2px;margin:4px 0;border-radius:99px;background:var(--color-navy)}.site-footer{margin-top:auto;padding:4rem 1rem 1.5rem;color:#e2e8f0;background:var(--color-navy)}.footer-inner{width:min(100%,var(--max-width));margin:0 auto 3rem;display:grid;grid-template-columns:1fr 2fr;gap:4rem}.footer-brand a{color:#fff;font-size:1.25rem;font-weight:800}.footer-brand p{max-width:20rem;margin-top:.75rem;color:#cbd5e1;font-size:.9rem}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.footer-links nav{display:flex;flex-direction:column;align-items:flex-start;gap:.5rem}.footer-links nav p{margin-bottom:.4rem;color:#fbbf24;font-size:.78rem;font-weight:800;letter-spacing:.08em}.footer-links a{color:#e2e8f0;font-size:.84rem}.footer-links a:hover{color:#fff}.copyright{width:min(100%,var(--max-width));margin:0 auto;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.12);color:#94a3b8;font-size:.75rem;text-align:center}.main-content{width:min(calc(100% - 2rem),var(--max-width));margin:0 auto;padding:3rem 0 5rem}.page-shell{width:min(calc(100% - 2rem),920px);margin:0 auto;padding:2rem 0 5rem}.content-panel{padding:clamp(1.5rem,4vw,3rem);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-soft)}.prose{max-width:var(--reading-width);margin-inline:auto}.prose h2{margin:2.75rem 0 1rem;padding-left:.8rem;border-left:4px solid var(--color-primary);color:var(--color-navy);font-size:clamp(1.25rem,3vw,1.55rem);line-height:1.45}.prose h2:first-child{margin-top:0}.prose p,.prose ul{margin-bottom:1.4rem}.prose ul{padding-left:1.4rem}.prose li+li{margin-top:.55rem}.prose a:not(.button){color:var(--color-primary-dark);font-weight:700;text-decoration:underline;text-underline-offset:.2em}.button-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.75rem 1.25rem;border-radius:999px;font-weight:800;text-align:center}.button-primary{color:#fff;background:var(--color-navy)}.button-secondary{color:#8a4b00;background:#fff1c2}@media(max-width:900px){.menu-toggle{display:block}.site-navigation{position:absolute;top:calc(100% + .5rem);right:1rem;left:1rem;display:flex;flex-direction:column;align-items:stretch;gap:.25rem;padding:.75rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fff;box-shadow:var(--shadow-soft);opacity:0;visibility:hidden;transform:translateY(-8px);transition:.2s ease}.site-navigation.is-open{opacity:1;visibility:visible;transform:translateY(0)}.site-navigation a{padding:.7rem .8rem;border-radius:10px}.site-navigation .nav-simulator,.site-navigation .nav-contact{text-align:center}.footer-inner{grid-template-columns:1fr;gap:2.5rem}}@media(max-width:600px){.header-inner{width:min(calc(100% - 1.25rem),var(--max-width));min-height:68px}.brand img{width:42px;height:42px;border-radius:12px}.footer-links{grid-template-columns:1fr 1fr}.footer-links nav:last-child{grid-column:1 / -1}.page-shell{width:min(calc(100% - 1.25rem),920px);padding-top:1.25rem}.button-row .button{width:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}