:root{--color-primary: #d45d3b;--color-primary-dark: #b53a2a;--color-bg: #fffdf5;--color-text: #2c2420;--color-muted: #6b6259;--color-slate-900: #0f172a;--color-slate-800: #1e293b;--color-slate-500: #64748b;--color-slate-400: #94a3b8;--color-slate-200: #e2e8f0;--color-surface-warm: #fff7ed;--color-border-warm: #f5d6c8;--color-footer: #6b6259;--color-rakuten: #e68a8a;--color-yahoo: #829173;--font-display: "Zen Maru Gothic", sans-serif;--font-body: "IBM Plex Sans JP", "IBM Plex Sans", "Hiragino Sans", "Noto Sans JP", sans-serif;--content-width: 1000px;--list-content-width: 1000px;--hero-content-width: 1120px;--page-padding: 40px}*,*:before,*:after{box-sizing:border-box}html{font-size:16px}body{margin:0;font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}a{color:inherit}img{max-width:100%;height:auto}.site-page{display:flex;flex-direction:column;align-items:stretch;min-height:100vh;width:100%;background:var(--color-bg)}.content-column{width:100%;max-width:var(--content-width);margin-inline:auto}.list-content-column{width:100%;max-width:var(--list-content-width);margin-inline:auto}.hero-content-column{width:100%;max-width:var(--hero-content-width);margin-inline:auto}.tag-chip{display:inline-flex;padding:6px 12px;border:1px solid var(--color-border-warm);border-radius:8px;background:var(--color-surface-warm);color:var(--color-primary);font-size:13px;font-weight:500;white-space:nowrap}.tag-chip--sm{padding:4px 10px;border-radius:6px;font-size:12px}.page-section{width:100%;padding-inline:var(--page-padding)}.article-prose{display:flex;flex-direction:column;gap:0;color:var(--color-slate-800);font-size:16px;line-height:1.7}.article-prose h2{margin:0;padding:8px 0 8px 16px;border-left:6px solid var(--color-primary);font-family:var(--font-display);font-size:28px;font-weight:700;line-height:1.2;color:var(--color-text)}.article-prose h3{margin:0;font-family:var(--font-display);font-size:22px;font-weight:700;line-height:1.3;color:var(--color-text)}.article-prose p{margin:0}.article-prose p+p,.article-prose h2+p,.article-prose h3+p,.article-prose ul+p,.article-prose ol+p,.article-prose blockquote+p{margin-top:1em}.article-prose h2,.article-prose h3,.article-prose ul,.article-prose ol,.article-prose blockquote,.article-prose hr{margin-top:40px}.article-prose :first-child{margin-top:0}.article-prose ul{margin:0;padding:0 0 0 24px;list-style:none;display:flex;flex-direction:column;gap:12px}.article-prose ul li{position:relative;padding-left:18px}.article-prose ul li:before{content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;background:var(--color-primary)}.article-prose ol{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:16px}.article-prose ol li{display:flex;gap:16px;align-items:flex-start;font-weight:600}.article-prose ol li:before{content:counter(list-item);flex-shrink:0;display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:14px;background:var(--color-primary);color:#fff;font-family:var(--font-display);font-size:14px;font-weight:900}.article-prose blockquote{margin:0;padding:16px 16px 16px 24px;background:var(--color-surface-warm);border-left:4px solid var(--color-primary);font-family:var(--font-display);font-size:18px;line-height:1.6;font-weight:500;color:var(--color-text)}.article-prose hr{margin:0;border:0;border-top:1px solid var(--color-slate-200)}@media(max-width:768px){:root{--page-padding: 20px}}.site-page header.site-header{display:flex;flex-direction:row;align-items:center;justify-content:space-between;width:100%;padding:32px var(--page-padding);border:0;border-bottom:none;background:var(--color-bg)}.site-page header.site-header--hero{background:transparent}.site-page header.site-header .site-header__bar{display:flex;align-items:center;justify-content:space-between;flex:1;gap:16px}.site-page header.site-header .site-header__logo{display:inline-flex;flex-shrink:0;text-decoration:none}.site-page header.site-header .site-header__logo-image{display:block;width:180px;height:auto}.site-page header.site-header .site-header__menu-toggle{display:none;flex-shrink:0;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:0;border-radius:8px;background:transparent;cursor:pointer}.site-page header.site-header .site-header__menu-icon{display:flex;flex-direction:column;justify-content:center;gap:5px;width:22px}.site-page header.site-header .site-header__menu-icon span{display:block;width:100%;height:2px;border-radius:1px;background:var(--color-text);transition:transform .2s ease,opacity .2s ease}.site-page header.site-header .site-header__logo-image--hero{display:none}.site-page header.site-header--hero .site-header__logo-image--default{display:none}.site-page header.site-header--hero .site-header__logo-image--hero{display:block}.site-page header.site-header--hero .site-header__menu-icon span{background:#fff}.site-page header.site-header--hero.site-header--menu-open .site-header__logo-image--default{display:block}.site-page header.site-header--hero.site-header--menu-open .site-header__logo-image--hero{display:none}.site-page header.site-header--hero.site-header--menu-open .site-header__menu-icon span{background:var(--color-text)}.site-page header.site-header.site-header--menu-open .site-header__menu-icon span:nth-child(1){transform:translateY(7px) rotate(45deg)}.site-page header.site-header.site-header--menu-open .site-header__menu-icon span:nth-child(2){opacity:0}.site-page header.site-header.site-header--menu-open .site-header__menu-icon span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.site-page header.site-header .site-header__menu{display:flex;align-items:center}.site-page header.site-header .site-header__backdrop{display:none}.site-page header.site-header .site-header__nav{display:flex;align-items:center;gap:16px}.site-page header.site-header .site-header__link,.site-page header.site-header .site-header__link:link,.site-page header.site-header .site-header__link:visited{padding:8px 16px;font-size:16px;font-weight:500;color:var(--color-text);text-decoration:none;white-space:nowrap}.site-page header.site-header--hero .site-header__link,.site-page header.site-header--hero .site-header__link:link,.site-page header.site-header--hero .site-header__link:visited{color:#fff}.site-page header.site-header .site-header__cta,.site-page header.site-header .site-header__cta:link,.site-page header.site-header .site-header__cta:visited{display:inline-flex;align-items:center;padding:8px 24px;border:0;border-radius:30px;background:var(--color-primary);color:#fff;font-size:16px;font-weight:700;text-decoration:none;white-space:nowrap}@media(max-width:960px){body.site-header-menu-open{overflow:hidden}.site-page header.site-header{flex-direction:row;align-items:center;padding-block:20px}.site-page header.site-header .site-header__bar{position:relative;z-index:1002;width:100%;flex:none}.site-page header.site-header.site-header--menu-open{min-height:var(--site-header-bar-height, 76px)}.site-page header.site-header.site-header--menu-open .site-header__bar{position:fixed;top:0;left:0;right:0;padding:20px var(--page-padding);background:var(--color-bg)}.site-page header.site-header .site-header__menu-toggle{display:inline-flex}.site-page header.site-header .site-header__menu{display:none}.site-page header.site-header.site-header--menu-open .site-header__menu{display:block;position:fixed;inset:0;z-index:1000}.site-page header.site-header .site-header__backdrop{display:block;position:absolute;inset:0;padding:0;border:0;background:#2c242073;cursor:pointer}.site-page header.site-header .site-header__nav{position:absolute;top:var(--site-header-bar-height, 76px);left:0;right:0;display:flex;flex-direction:column;align-items:stretch;gap:8px;padding:24px var(--page-padding) 32px;background:var(--color-bg);box-shadow:0 12px 24px #2c24201f}.site-page header.site-header--hero.site-header--menu-open .site-header__link,.site-page header.site-header--hero.site-header--menu-open .site-header__link:link,.site-page header.site-header--hero.site-header--menu-open .site-header__link:visited{color:var(--color-text)}.site-page header.site-header .site-header__link,.site-page header.site-header .site-header__link:link,.site-page header.site-header .site-header__link:visited{padding:12px 8px}.site-page header.site-header .site-header__cta,.site-page header.site-header .site-header__cta:link,.site-page header.site-header .site-header__cta:visited{justify-content:center;margin-top:8px}}.site-footer[data-astro-cid-cmhnwpac]{width:100%;background:var(--color-footer);padding-block:80px;color:var(--color-bg)}.site-footer__inner[data-astro-cid-cmhnwpac]{width:100%}.site-footer__top[data-astro-cid-cmhnwpac]{display:flex;justify-content:space-between;gap:40px}.site-footer__brand[data-astro-cid-cmhnwpac]{max-width:400px}.site-footer__logo[data-astro-cid-cmhnwpac]{display:inline-flex;margin-bottom:16px;text-decoration:none}.site-footer__logo[data-astro-cid-cmhnwpac] img[data-astro-cid-cmhnwpac]{display:block;width:180px;height:auto}.site-footer__description[data-astro-cid-cmhnwpac]{margin:0;font-size:14px;line-height:1.6}.site-footer__links[data-astro-cid-cmhnwpac]{display:flex;gap:80px}.site-footer__column[data-astro-cid-cmhnwpac] ul[data-astro-cid-cmhnwpac]{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}.site-footer__column[data-astro-cid-cmhnwpac] a[data-astro-cid-cmhnwpac]{color:inherit;text-decoration:none}.site-footer__heading[data-astro-cid-cmhnwpac]{margin:0 0 16px;font-family:var(--font-display);font-size:16px;font-weight:700}.site-footer__column[data-astro-cid-cmhnwpac] li[data-astro-cid-cmhnwpac]{font-size:14px}.site-footer__bottom[data-astro-cid-cmhnwpac]{margin-top:60px;padding-top:40px;border-top:.5px solid var(--color-bg);text-align:center}.site-footer__copyright[data-astro-cid-cmhnwpac]{margin:0;font-size:12px}@media(max-width:960px){.site-footer__top[data-astro-cid-cmhnwpac]{flex-direction:column}.site-footer__links[data-astro-cid-cmhnwpac]{flex-wrap:wrap;gap:32px}}