.back-to-top[data-astro-cid-vy5be4ad]{right:calc(20px + env(safe-area-inset-right,0px));bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:9;border:1px solid var(--color-line);background:var(--color-brand);width:52px;height:52px;color:var(--color-card);border-radius:50%;place-items:center;display:grid;position:fixed;box-shadow:0 4px 16px #00000029}.back-to-top[data-astro-cid-vy5be4ad][hidden]{display:none}.back-to-top[data-astro-cid-vy5be4ad]:hover{background:var(--color-brand-hover)}.back-to-top[data-astro-cid-vy5be4ad]:focus-visible{border-radius:50%}@layer base{*,:before,:after,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}html{-webkit-text-size-adjust:100%;tab-size:4;-webkit-tap-highlight-color:transparent;line-height:1.5}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:1em}small{font-size:80%}ol,ul,menu{list-style:none}table{text-indent:0;border-color:inherit;border-collapse:collapse}hr{height:0;color:inherit;border-top-width:1px}summary{display:list-item}img,svg,video,canvas,iframe{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}html{color-scheme:light;scroll-behavior:smooth;scroll-padding-top:88px}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}.skip{z-index:100;background:var(--color-ink);color:#fff;border-radius:10px;padding:10px 14px;font-weight:700;text-decoration:none;position:absolute;top:-100px;left:16px}.skip:focus{top:12px}body{background:var(--color-canvas);color:var(--color-ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.7}h1,h2,h3{font-family:var(--font-heading);text-wrap:balance;word-break:keep-all;overflow-wrap:anywhere;font-weight:900;line-height:1.25}:focus-visible{outline:3px solid var(--color-brand);outline-offset:3px;border-radius:6px}:is(main,body)>section{padding-block:72px}}:root{--color-brand:#171717;--color-brand-hover:#333;--color-brand-strong:#0a0a0a;--color-canvas:#fff;--color-surface:#f7f7f7;--color-accent:#171717;--color-ink:#171717;--color-body:#525252;--color-muted:#6e6e6e;--color-line:#e5e5e5;--color-card:#fff;--color-white:#fff;--color-neutral-bg:#f5f5f5;--color-state-neutral-fg:#0a0a0a;--color-amber-bg:#fef3c6;--color-amber-fg:#7b3306;--color-blue-bg:#dbeafe;--color-blue-fg:#1c398e;--color-green-bg:#d0fae5;--color-green-fg:#004f3b;--radius-card:20px;--shadow-card:0 1px 2px #0000000f, 0 8px 24px #00000014;--shadow-card-hover:0 2px 4px #0000000f, 0 16px 36px #0000001f;--font-sans:var(--font-jp), "Hiragino Sans", "Noto Sans JP", sans-serif;--font-heading:var(--font-sans);--font-latin:var(--font-geist), -apple-system, "Helvetica Neue", sans-serif}@layer components{.wrap{max-width:1080px;margin:0 auto;padding-inline:20px}.page{padding-block:56px 96px}.eyebrow{color:var(--color-accent);letter-spacing:.06em;font-size:14px;font-weight:700}.sec-head{max-width:40em}.page>:is(.head,.sec-head){text-align:left;margin-inline:auto}.page>.sec-head{width:fit-content}.sec-head h2{margin-top:10px;font-size:clamp(26px,3.6vw,36px)}.sec-head p{color:var(--color-body);margin-top:14px}.btn{white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;gap:8px;min-height:48px;padding:0 22px;font-weight:700;text-decoration:none;transition:transform .2s,box-shadow .2s,background-color .2s;display:inline-flex}.btn.primary{background:var(--color-brand);color:var(--color-white);box-shadow:0 4px 12px #0000001f}.btn.primary:hover{background:var(--color-brand-strong);transform:translateY(-1px)}.btn.ghost{color:var(--color-accent);border:2px solid var(--color-line);background:var(--color-card)}.btn.ghost:hover{border-color:var(--color-brand)}.btn.inverse{background:var(--color-canvas);color:var(--color-brand)}.btn.inverse:hover{background:#fff;transform:translateY(-1px)}.tile{background:var(--color-card);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:26px 24px;transition:transform .2s,box-shadow .2s}.tile:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-3px)}.ico{background:linear-gradient(135deg, var(--color-brand-hover), var(--color-brand-strong));width:56px;height:56px;color:var(--color-canvas);border-radius:16px;place-items:center;display:grid}.grid{gap:18px;margin-top:36px;display:grid}.grid.c3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}}@media (prefers-reduced-motion:reduce){.btn,.tile{transition:none}}