:root{--color-background:#f6f5f2;--color-text:#222;--color-muted:#777773;--color-light:#fff;--color-border:#22222226;--content-width:1440px;--side-padding:48px}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;min-width:320px}body{color:var(--color-text);background:var(--color-background);margin:0;font-family:Arial,Helvetica Neue,Noto Sans JP,sans-serif;line-height:1.7}body.menu-open{overflow:hidden}img{max-width:100%;display:block}a{color:inherit}button,input,textarea,select{font:inherit}button{color:inherit}@media (width<=800px){:root{--side-padding:20px}}.introduction__content{grid-template-columns:minmax(0,.9fr) minmax(420px,1.1fr);align-items:center;gap:clamp(60px,9vw,140px);display:grid}.introduction__copy{max-width:620px}.introduction__visual{min-height:680px;position:relative}.introduction__image{object-fit:cover;width:100%;height:100%}.introduction__image--main{width:82%;height:82%;position:absolute;top:0;right:0}.introduction__image--sub{border:10px solid var(--color-background);width:42%;height:38%;position:absolute;bottom:0;left:0}@media (width<=800px){.introduction__content{grid-template-columns:1fr}.introduction__visual{min-height:500px}.introduction__image--main{width:88%;height:78%}.introduction__image--sub{border-width:6px;width:48%;height:36%}}.site-header[data-astro-cid-nen7h5rs]{z-index:100;width:100%;color:var(--color-light);position:absolute;top:0;left:0}.site-header--light[data-astro-cid-nen7h5rs]{color:var(--color-text)}.header-inner[data-astro-cid-nen7h5rs]{width:min(calc(100% - var(--side-padding) * 2), var(--content-width));justify-content:space-between;align-items:center;min-height:104px;margin-inline:auto;display:flex}.site-logo[data-astro-cid-nen7h5rs]{z-index:102;color:inherit;flex-direction:column;text-decoration:none;display:flex}.site-logo__main[data-astro-cid-nen7h5rs]{letter-spacing:.2em;font-size:clamp(1rem,1.5vw,1.4rem);font-weight:500;line-height:1}.site-logo__sub[data-astro-cid-nen7h5rs]{letter-spacing:.22em;opacity:.72;margin-top:9px;font-size:.57rem;line-height:1}.global-navigation[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{align-items:center;gap:clamp(24px,3vw,52px);margin:0;padding:0;list-style:none;display:flex}.global-navigation[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{color:inherit;letter-spacing:.12em;padding-block:8px;font-size:.78rem;text-decoration:none;display:block;position:relative}.global-navigation[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:after{content:"";transform-origin:100%;background:currentColor;height:1px;transition:transform .25s;position:absolute;bottom:2px;left:0;right:0;transform:scaleX(0)}.global-navigation[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover:after,.global-navigation[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:focus-visible:after{transform-origin:0;transform:scaleX(1)}.menu-button[data-astro-cid-nen7h5rs]{z-index:102;cursor:pointer;background:0 0;border:0;width:44px;height:44px;padding:9px;display:none}.menu-button[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]{background:currentColor;width:100%;height:1px;margin-block:6px;transition:transform .25s,opacity .25s;display:block}@media (width<=800px){.header-inner[data-astro-cid-nen7h5rs]{min-height:82px}.site-logo__main[data-astro-cid-nen7h5rs]{font-size:1rem}.menu-button[data-astro-cid-nen7h5rs]{display:block}.global-navigation[data-astro-cid-nen7h5rs]{z-index:101;visibility:hidden;color:var(--color-text);opacity:0;background:#f6f5f2fa;place-items:center;transition:visibility .3s,opacity .3s;display:grid;position:fixed;inset:0}.global-navigation[data-astro-cid-nen7h5rs].is-open{visibility:visible;opacity:1}.global-navigation[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{flex-direction:column;gap:20px}.global-navigation[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{letter-spacing:.02em;padding:8px 16px;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.8rem,8vw,3rem)}.menu-button[data-astro-cid-nen7h5rs][aria-expanded=true]{color:var(--color-text)}.menu-button[data-astro-cid-nen7h5rs][aria-expanded=true] span[data-astro-cid-nen7h5rs]:first-child{transform:translateY(7px)rotate(45deg)}.menu-button[data-astro-cid-nen7h5rs][aria-expanded=true] span[data-astro-cid-nen7h5rs]:nth-child(2){opacity:0}.menu-button[data-astro-cid-nen7h5rs][aria-expanded=true] span[data-astro-cid-nen7h5rs]:nth-child(3){transform:translateY(-7px)rotate(-45deg)}}