:root{--green: #2e7d31;--green-bright: #6fae2f;--green-pale: #f2ffd1;--orange: #f4633e;--orange-deep: #c8391a;--orange-pale: #fff1ec;--blue: #005bd1;--ink: #1a1a1a;--ink-2: #666;--ink-3: #7a7a7a;--line: #dedede;--bg: #fff;--bg-soft: #f5f5f5;--bg-card: #edeef0;--font-jp: "Hiragino Sans", "Hiragino Kaku Gothic ProN", -apple-system, BlinkMacSystemFont, "Yu Gothic", YuGothic, "Noto Sans JP", sans-serif;--font-num: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, "Noto Sans JP", sans-serif;--container: 1036px;--gutter: 24px;--header-h: 77px;--fs-h2: clamp(28px, 3.2vw, 40px);--lh-h2: 1.8;--radius: 12px;--radius-sm: 8px;--radius-pill: 999px;--shadow: 0 2px 16px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .08);--shadow-btn: 0 2px 6px rgba(0, 0, 0, .04);--shadow-btn-hover: 0 4px 10px rgba(0, 0, 0, .05)}@media(max-width:900px){:root{--lh-h2: 1.3;--sp-header-h: 68px;--sp-header-inset: 26px;--header-h: var(--sp-header-h)}}@media(max-width:600px){:root{--fs-h2: 26px}}.sp-br{display:none}@media(max-width:900px){.sp-br{display:inline}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font-family:var(--font-jp);line-height:1.8;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,picture,svg{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;padding:0}ul,ol{list-style:none}.skip-link{position:absolute;left:8px;top:8px;z-index:100;padding:.6em 1.2em;border-radius:var(--radius-sm);background:var(--green);color:#fff;transform:translateY(-200%);transition:transform .2s ease}.skip-link:focus{transform:translateY(0);outline:2px solid var(--ink);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}main[tabindex]:focus{outline:none}.container{width:100%;max-width:calc(var(--container) + 2 * var(--gutter));margin-inline:auto;padding-inline:var(--gutter)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.75em 1.5em;border:1px solid transparent;border-radius:var(--radius-sm);font-weight:600;line-height:1.2;white-space:nowrap;box-shadow:var(--shadow-btn);transition:background-color .15s ease,border-color .15s ease,color .15s ease,box-shadow .18s ease,transform .05s ease}.btn:active{transform:translateY(1px)}.btn--primary{background:var(--green);color:#fff}.btn--outline{background:#fff;border-color:var(--line);color:var(--ink)}@media(hover:hover){.btn:hover{box-shadow:var(--shadow-btn-hover)}.btn--primary:hover{background:#256828}.btn--outline:hover{border-color:var(--green);color:var(--green)}}.btn--sm{padding:.55em 1.1em;font-size:.9rem}.prose{width:min(760px,100% - 2 * var(--gutter));padding-top:calc(var(--header-h) + 64px);margin:0 auto 80px;line-height:1.85;overflow-wrap:anywhere}.prose h1{font-size:1.85rem;line-height:1.4;margin:0 0 .5rem;text-align:center}.prose h2{font-size:1.3rem;line-height:1.45;margin:2.6rem 0 .4rem;padding-top:1.4rem;border-top:1px solid var(--line)}.prose h3{font-size:1.05rem;line-height:1.5;margin:1.6rem 0 .2rem}.prose p{margin:.5rem 0}.prose ul,.prose ol{margin:.5rem 0;padding-left:1.4rem;list-style:revert}.prose li{margin:.3rem 0}.prose strong{font-weight:700}.prose code{padding:.15em .4em;border-radius:4px;background:var(--bg);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}.prose table{width:100%;border-collapse:collapse;margin:.8rem 0;font-size:.95rem}.prose th,.prose td{border:1px solid var(--line);padding:.45rem .6rem;text-align:left;vertical-align:top}.prose thead th{background:var(--bg)}.prose .kicker{font-size:.9rem;color:var(--ink-2);margin:0;text-align:center}.prose a{color:var(--blue);text-decoration:underline}@media(max-width:600px){.prose h1{font-size:1.5rem}.prose h2{font-size:1.15rem;margin-top:2rem}}html.js-reveal [data-animate]{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s cubic-bezier(.22,.61,.36,1);transition-delay:calc(var(--reveal-order, 0) * 70ms)}html.js-reveal [data-animate].is-visible{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01ms!important;transition-duration:.01ms!important}[data-animate]{opacity:1!important;transform:none!important}}.logo[data-astro-cid-tvrurpns]{display:inline-flex;line-height:0}.logo[data-astro-cid-tvrurpns] svg{height:var(--logo-h, 1.6rem);width:auto}.logo--mono[data-astro-cid-tvrurpns] svg{fill:currentColor}.icon[data-astro-cid-patnjmll]{display:inline-flex;line-height:0}.site-header[data-astro-cid-ctg3m53h]{position:relative;z-index:20}.site-header__bar[data-astro-cid-ctg3m53h]{display:flex;align-items:center;gap:30px;height:var(--header-h);margin-inline:65px;padding:34px 7px 0 18px}.site-header__brand[data-astro-cid-ctg3m53h]{flex-shrink:0;display:inline-flex}.site-header__menu[data-astro-cid-ctg3m53h]{flex:1;display:flex;align-items:center;justify-content:space-between;gap:2rem}.site-header__nav[data-astro-cid-ctg3m53h] ul[data-astro-cid-ctg3m53h]{display:flex;align-items:center;gap:24px}.site-header__nav[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]{font-weight:700;font-size:13px;color:var(--ink);transition:color .15s ease}@media(hover:hover){.site-header__nav[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]:hover{color:var(--green)}}.site-header__actions[data-astro-cid-ctg3m53h]{display:flex;align-items:center;gap:8px}.site-header__actions[data-astro-cid-ctg3m53h] .btn{height:45px;padding-inline:0;font-size:12px;font-weight:700;border-radius:6px;justify-content:center}.site-header__actions[data-astro-cid-ctg3m53h] .btn--outline{width:112px}.site-header__actions[data-astro-cid-ctg3m53h] .btn--primary{width:142px;padding-left:4px}.site-header__actions[data-astro-cid-ctg3m53h] .btn--outline{border-color:transparent;color:var(--green)}.site-header__actions[data-astro-cid-ctg3m53h] .site-header__arrow{margin-left:2px}.site-header__burger[data-astro-cid-ctg3m53h]{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;margin-left:auto;padding:10px;background:none;border:0}.site-header__burger[data-astro-cid-ctg3m53h] span[data-astro-cid-ctg3m53h]{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}.site-header__burger[data-astro-cid-ctg3m53h][aria-expanded=true] span[data-astro-cid-ctg3m53h]:nth-child(1){transform:translateY(7px) rotate(45deg)}.site-header__burger[data-astro-cid-ctg3m53h][aria-expanded=true] span[data-astro-cid-ctg3m53h]:nth-child(2){opacity:0}.site-header__burger[data-astro-cid-ctg3m53h][aria-expanded=true] span[data-astro-cid-ctg3m53h]:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media(max-width:900px){.site-header__bar[data-astro-cid-ctg3m53h]{gap:1rem;align-items:center;height:auto;margin-inline:0;padding-block:calc((var(--sp-header-h) - 44px) / 2);padding-inline:calc(var(--sp-header-inset) - 10px)}.site-header__brand[data-astro-cid-ctg3m53h]{margin-left:10px}.site-header__brand[data-astro-cid-ctg3m53h],.site-header__burger[data-astro-cid-ctg3m53h]{position:relative;z-index:1}.site-header__burger[data-astro-cid-ctg3m53h]{display:flex}.site-header__menu[data-astro-cid-ctg3m53h]{position:fixed;inset:0;z-index:0;flex-direction:column;align-items:stretch;justify-content:safe center;overflow-y:auto;gap:2rem;padding:96px 32px 40px;background:var(--green-bright);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility 0s linear .22s}.site-header__menu[data-astro-cid-ctg3m53h]:before{content:"";position:fixed;inset:40px;z-index:-1;background:var(--bg-card);border-radius:24px}.site-header__menu[data-astro-cid-ctg3m53h].is-open{opacity:1;visibility:visible;transition:opacity .22s ease,visibility 0s}html.is-menu-open{overflow:hidden}.site-header__nav[data-astro-cid-ctg3m53h] ul[data-astro-cid-ctg3m53h]{flex-direction:column;align-items:stretch;gap:.25rem}.site-header__nav[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]{display:block;padding:.7rem 0;font-size:1.25rem;text-align:center}.site-header__actions[data-astro-cid-ctg3m53h]{flex-direction:column;align-items:center;gap:12px}.site-header__actions[data-astro-cid-ctg3m53h] .btn,.site-header__actions[data-astro-cid-ctg3m53h] .btn--outline,.site-header__actions[data-astro-cid-ctg3m53h] .btn--primary{width:80%;height:64px;padding-inline:0;border-radius:6px;font-size:16px;font-weight:700}.site-header__actions[data-astro-cid-ctg3m53h] .btn--outline{background:#fff;box-shadow:var(--shadow-btn)}@media(max-height:520px){.site-header__menu[data-astro-cid-ctg3m53h]{flex-direction:row;align-items:center;justify-content:center;gap:2.5rem;padding-block:calc(var(--sp-header-h) + 8px) 24px}.site-header__nav[data-astro-cid-ctg3m53h] ul[data-astro-cid-ctg3m53h]{gap:0}.site-header__actions[data-astro-cid-ctg3m53h]{flex:0 0 auto;width:min(260px,38vw)}.site-header__actions[data-astro-cid-ctg3m53h] .btn,.site-header__actions[data-astro-cid-ctg3m53h] .btn--outline,.site-header__actions[data-astro-cid-ctg3m53h] .btn--primary{width:100%;height:56px}}.lp__card .site-header[data-astro-cid-ctg3m53h]{position:fixed;top:40px;left:40px;right:40px;z-index:50;pointer-events:none}.lp__card .site-header__brand[data-astro-cid-ctg3m53h],.lp__card .site-header__burger[data-astro-cid-ctg3m53h],.lp__card .site-header__menu[data-astro-cid-ctg3m53h]{pointer-events:auto}}@media(max-width:600px){.lp__card .site-header[data-astro-cid-ctg3m53h]{top:12px;left:12px;right:12px}.site-header__menu[data-astro-cid-ctg3m53h]:before{inset:12px;border-radius:18px}}@media(min-width:901px){.lp__card .site-header[data-astro-cid-ctg3m53h]{position:fixed;top:40px;left:0;right:0;z-index:50;transition:top .28s ease;pointer-events:none}.lp__card .site-header__brand[data-astro-cid-ctg3m53h],.lp__card .site-header__nav[data-astro-cid-ctg3m53h],.lp__card .site-header__actions[data-astro-cid-ctg3m53h]{pointer-events:auto}.lp__card .site-header__bar[data-astro-cid-ctg3m53h]{transition:height .28s ease,padding-top .28s ease}.lp__card .site-header[data-astro-cid-ctg3m53h].is-stuck{top:32px}.lp__card .site-header[data-astro-cid-ctg3m53h].is-stuck .site-header__bar[data-astro-cid-ctg3m53h]{height:45px;padding-top:0}}.site-footer[data-astro-cid-gcn2mc3v],.site-footer[data-astro-cid-gcn2mc3v] .site-footer__copy[data-astro-cid-gcn2mc3v]{color:#fff}.site-footer[data-astro-cid-gcn2mc3v]{padding-block:40px 16px}.site-footer__inner[data-astro-cid-gcn2mc3v]{display:flex;align-items:flex-end;justify-content:space-between;gap:1.5rem 2rem;flex-wrap:wrap;padding-inline:16px}.site-footer__brand[data-astro-cid-gcn2mc3v]{display:flex;flex-direction:column;gap:2rem}.site-footer__logo[data-astro-cid-gcn2mc3v]{display:inline-flex;align-self:flex-start}.site-footer__logo[data-astro-cid-gcn2mc3v]:focus-visible{outline:2px solid #fff;outline-offset:4px}@media(hover:hover){.site-footer__logo[data-astro-cid-gcn2mc3v]:hover{opacity:.85}}.site-footer__copy[data-astro-cid-gcn2mc3v]{font-size:14px;font-family:var(--font-num)}.site-footer__nav[data-astro-cid-gcn2mc3v] ul[data-astro-cid-gcn2mc3v]{display:flex;flex-wrap:wrap;gap:24px}.site-footer__nav[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]{font-size:12px;font-weight:400;transition:opacity .15s ease}@media(hover:hover){.site-footer__nav[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]:hover{opacity:.7}}@media(max-width:900px){.site-footer__nav[data-astro-cid-gcn2mc3v] ul[data-astro-cid-gcn2mc3v]{gap:4px 24px}.site-footer__nav[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]{display:block;padding-block:8px}}@media(max-width:600px){.site-footer__inner[data-astro-cid-gcn2mc3v]{align-items:flex-start}.site-footer__brand[data-astro-cid-gcn2mc3v]{gap:1em}}.lp[data-astro-cid-ecnbsoxs]{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;background:var(--green-bright);padding:40px 40px 0}.lp__card[data-astro-cid-ecnbsoxs]{flex:1;background:var(--bg-card);border-radius:24px;overflow:hidden}@media(max-width:600px){.lp[data-astro-cid-ecnbsoxs]{padding:12px 12px 0}.lp__card[data-astro-cid-ecnbsoxs]{border-radius:18px}}