*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{color:#111827;background:#fff;margin:0;font-family:Inter,Noto Sans JP,Yu Gothic,YuGothic,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}.site-header{z-index:100;-webkit-backdrop-filter:blur(16px);background:#ffffffe6;border-bottom:1px solid #11182714;width:100%;position:fixed;top:0;left:0}.header-inner{justify-content:space-between;align-items:center;width:100%;height:72px;padding:0 32px;display:flex;position:relative}.brand{color:#111827;flex-shrink:0;align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand-symbol{object-fit:contain;flex:0 0 28px;width:28px;max-width:28px;height:28px;display:block}.brand-text{letter-spacing:.12em;align-items:baseline;font-size:1.15rem;line-height:1;display:inline-flex}.brand-mix{font-weight:800}.brand-anea{font-weight:300}.main-nav{letter-spacing:.12em;align-items:center;gap:32px;font-size:.76rem;font-weight:700;display:flex}.main-nav a{color:#111827;white-space:nowrap;text-decoration:none;position:relative}.main-nav a:after{content:"";transform-origin:100%;background:#111827;height:1px;transition:transform .25s;position:absolute;bottom:-7px;left:0;right:0;transform:scaleX(0)}.main-nav a:hover:after{transform-origin:0;transform:scaleX(1)}.menu-button{cursor:pointer;background:0 0;border:0;width:42px;height:42px;padding:0;display:none;position:relative}.menu-line{background:#111827;width:24px;height:1.5px;transition:transform .25s,top .25s,opacity .2s;position:absolute;left:9px}.menu-line:first-child{top:13px}.menu-line:nth-child(2){top:20px}.menu-line:nth-child(3){top:27px}.site-header[data-menu-open=true] .menu-line:first-child{top:20px;transform:rotate(45deg)}.site-header[data-menu-open=true] .menu-line:nth-child(2){opacity:0}.site-header[data-menu-open=true] .menu-line:nth-child(3){top:20px;transform:rotate(-45deg)}@media (width<=1180px){.header-inner{height:68px;padding:0 20px}.brand{gap:8px}.brand-symbol{flex-basis:26px;width:26px;max-width:26px;height:26px}.brand-text{letter-spacing:.09em;font-size:1rem}.menu-button{flex:0 0 42px;display:block}.main-nav{letter-spacing:.12em;opacity:0;visibility:hidden;pointer-events:none;background:#fffffffa;border-bottom:1px solid #e8eaed;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 24px;font-size:.78rem;transition:opacity .2s,transform .2s,visibility .2s;display:flex;position:absolute;top:68px;left:0;right:0;transform:translateY(-8px)}.site-header[data-menu-open=true] .main-nav{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.main-nav a{border-bottom:1px solid #edf0f3;align-items:center;min-height:54px;padding:0 4px;display:flex}.main-nav a:last-child{border-bottom:0}.main-nav a:after{display:none}}@media (width<=1180px) and (height<=600px) and (orientation:landscape){.main-nav{box-sizing:border-box;padding:8px calc(20px + env(safe-area-inset-right,0px)) calc(12px + env(safe-area-inset-bottom,0px)) calc(20px + env(safe-area-inset-left,0px));overscroll-behavior-y:contain;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;max-height:calc(100dvh - 68px);font-size:.76rem;display:grid;top:100%;overflow-y:auto}.main-nav a{box-sizing:border-box;min-width:0;min-height:44px;padding:8px 4px}.main-nav a:nth-last-child(-n+2){border-bottom:0}}.site-footer{background:#fff;border-top:1px solid #eceff3}.footer-inner{justify-content:space-between;align-items:center;gap:40px;width:min(100% - 64px,1200px);margin:0 auto;padding:38px 0;display:flex}.footer-brand{color:#111827;letter-spacing:.16em;font-size:.88rem;font-weight:700;transition:opacity .2s}.footer-brand:hover{opacity:.6}.footer-right{align-items:center;gap:32px;display:flex}.footer-nav{align-items:center;gap:24px;display:flex}.footer-nav a{color:#66717f;letter-spacing:.12em;font-size:.68rem;font-weight:700;transition:color .2s}.footer-nav a:hover{color:#111827}.copyright{color:#6b7280;letter-spacing:.04em;white-space:nowrap;margin:0;font-size:.66rem}.footer-brand:focus-visible,.footer-nav a:focus-visible{outline-offset:4px;border-radius:2px;outline:2px solid #6b7280}@media (width<=700px){.footer-inner{flex-direction:column;align-items:flex-start;gap:28px;width:calc(100% - 40px);padding:34px 0}.footer-right{flex-direction:column;align-items:flex-start;gap:20px;width:100%}.footer-nav{flex-wrap:wrap;gap:22px}}