/* fusaitaku.com — デザイン見本 v3（sites/fusaitaku/mock/）から抽出。外部フォントは読み込まない */
:root {
  --blue: #0d64c9;
  --blue-mid: #2a86ec;
  --red: #f42859;
  --ink: #30363e;
  --sub: #5f6874;
  --line: #dfe5ec;
  --gray: #f4f6f9;
  --radius: 4px;
  --ls: .08em;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; color: var(--ink); background: #fff; font-family: "Helvetica Neue", Arial, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif; font-size: 16px; line-height: 1.7; letter-spacing: var(--ls); }
a { color: inherit; text-decoration: none; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--blue-mid); outline-offset: 2px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; z-index: 50; background: #fff; padding: 8px 12px; }

.util { font-size: 12px; color: var(--sub); }
.util .wrap { display: flex; justify-content: space-between; height: 32px; align-items: center; }

header.site { position: sticky; top: 0; z-index: 20; background: #fff; box-shadow: 0 2px 4px rgba(0,0,0,.1); }
header.site .wrap { display: flex; align-items: center; height: 76px; gap: 32px; }
.logo { display: block; padding: 6px 0; flex: none; }
.logo img { display: block; height: 26px; width: auto; }
.gnav { display: flex; gap: 26px; font-size: 15px; font-weight: 700; }
.gnav a[aria-current="page"] { color: var(--blue); }
.hbtns { margin-left: auto; display: flex; gap: 10px; }
.btn-s { font-size: 13px; font-weight: 700; height: 38px; line-height: 36px; padding: 0 14px; border-radius: var(--radius); white-space: nowrap; }
.btn-s.red { background: var(--red); color: #fff; border: 1px solid var(--red); }

.fv { position: relative; overflow: hidden; background: #fff; }
.fv .wrap { display: grid; grid-template-columns: 600px 1fr; gap: 40px; min-height: 540px; align-items: center; padding-top: 48px; padding-bottom: 56px; }
.fv .lead { color: var(--blue); font-size: 28px; font-weight: 700; line-height: 1.4; margin: 0 0 18px; }
.nw { display: inline-block; white-space: nowrap; }
.fv h1 { color: var(--blue); font-size: 56px; line-height: 1.3; margin: 0; font-weight: 700; }
.fv .sub { font-size: 19px; font-weight: 700; margin: 22px 0 32px; }
.cta { display: grid; gap: 14px; width: 450px; max-width: 100%; }
.btn-l { display: flex; align-items: center; justify-content: center; position: relative; height: 60px; border-radius: var(--radius); font-weight: 700; padding: 0 44px; text-align: center; line-height: 1.4; }
.btn-l::after { content: "›"; position: absolute; right: 22px; font-size: 22px; line-height: 1; }
.btn-l.red { background: var(--red); color: #fff; }
.btn-l.line { border: 1px solid var(--blue); color: var(--blue); background: #fff; height: 58px; }
.cta-note { font-size: 13px; color: var(--sub); margin: 4px 0 0; }
.art { position: relative; height: 480px; }
.circle { position: absolute; left: 90px; top: -40px; width: 760px; height: 760px; border-radius: 50%; background: radial-gradient(circle at 30% 30%, var(--blue-mid) 0, var(--blue) 60%); }
.bubble { position: absolute; width: 104px; height: 104px; border-radius: 50%; background: #fff; box-shadow: 0 6px 18px rgba(13,100,201,.25); display: grid; place-items: center; text-align: center; font-size: 13px; font-weight: 700; color: var(--blue); }
.bubble svg { display: block; margin: 0 auto 2px; }
.b1 { left: 40px; top: 40px; } .b2 { left: 10px; top: 185px; } .b3 { left: 40px; top: 330px; }
.doc { position: absolute; left: 190px; top: 70px; width: 420px; background: #fff; border-radius: 8px; box-shadow: 0 16px 40px rgba(0,0,0,.18); padding: 22px 24px 26px; }
.doc .bar { display: flex; justify-content: space-between; font-size: 11px; color: var(--sub); border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.doc h3 { font-size: 14px; margin: 14px 0 8px; }
.doc .l { height: 8px; border-radius: 4px; background: #edf1f6; margin: 8px 0; }
.doc .l.r { background: none; border-bottom: 2px solid var(--red); border-radius: 0; height: 7px; }
.w9 { width: 92%; } .w7 { width: 72%; } .w5 { width: 55%; }
.doc .pen { display: inline-block; margin-top: 4px; font-size: 12px; font-weight: 700; color: var(--red); background: #fff1f4; border: 1px solid #ffc2d0; border-radius: 4px; padding: 4px 8px; }
.doc .res { display: flex; align-items: center; gap: 10px; margin-top: 16px; font-size: 13px; font-weight: 700; }
.doc .ng { color: var(--sub); text-decoration: line-through; text-decoration-color: var(--red); text-decoration-thickness: 2px; }
.doc .ok { background: var(--blue); color: #fff; padding: 3px 12px; border-radius: 4px; }

.proof { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 32px 0; }
.proof .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pf { text-align: center; padding: 8px; border-right: 1px solid var(--line); }
.pf:last-child { border-right: 0; }
.pf .n { display: block; font-weight: 700; color: var(--blue); font-size: 40px; line-height: 1.2; }
.pf .n small { font-size: 16px; margin-left: 2px; }
.pf .n.sm { font-size: 19px; line-height: 1.5; padding: 6px 0; }
.pf .t { display: block; font-size: 13px; color: var(--sub); margin-top: 6px; letter-spacing: .05em; }

.sec { padding: 88px 0; }
.sec.gray { background: var(--gray); }
.h2 { text-align: center; font-size: 38px; line-height: 1.6; margin: 0; font-weight: 700; }
.h2 em { font-style: normal; color: var(--blue); }
.h2::after { content: ""; display: block; width: 40px; height: 4px; background: var(--blue); margin: 28px auto 56px; }
.intro { text-align: center; max-width: 760px; margin: -24px auto 48px; letter-spacing: .05em; }
.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.three .ic { width: 160px; height: 160px; border-radius: 50%; background: var(--gray); margin: 0 auto 20px; display: grid; place-items: center; color: var(--blue); }
.three h3 { font-size: 22px; margin: 0 0 10px; color: var(--blue); }
.three p { margin: 0; font-size: 15px; letter-spacing: .05em; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: s; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 22px; }
.step::before { counter-increment: s; content: "STEP " counter(s); display: block; font-size: 13px; color: var(--blue); font-weight: 700; margin-bottom: 8px; }
.step h3 { font-size: 18px; margin: 0 0 8px; }
.step p { margin: 0; font-size: 14px; color: var(--sub); letter-spacing: .05em; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card { display: block; }
.card .th { aspect-ratio: 16/9; border-radius: var(--radius); background: var(--blue); color: #fff; padding: 20px; display: flex; flex-direction: column; justify-content: space-between; gap: 12px; }
.card .th .tag { align-self: flex-start; font-size: 12px; background: #fff; color: var(--blue); font-weight: 700; padding: 2px 8px; border-radius: 2px; }
.card .th strong { font-size: 19px; line-height: 1.5; }
.card .th .flow { font-size: 13px; opacity: .9; }
.card .date { display: block; font-size: 12px; color: var(--sub); margin: 12px 0 4px; }
.card h3 { font-size: 16px; line-height: 1.6; margin: 0; font-weight: 500; }
.card:hover h3 { color: var(--blue); }
.more { text-align: center; margin-top: 48px; }
.more a { display: inline-flex; align-items: center; justify-content: center; width: 320px; max-width: 100%; height: 56px; border: 1px solid var(--blue); color: var(--blue); border-radius: var(--radius); font-weight: 700; }

.faq { max-width: 860px; margin: 0 auto; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; }
.faq summary { cursor: pointer; padding: 20px 56px 20px 24px; font-weight: 700; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q"; color: var(--blue); margin-right: 12px; }
.faq summary::after { content: "+"; position: absolute; right: 24px; color: var(--blue); font-size: 20px; }
.faq details[open] summary::after { content: "−"; }
.faq p { margin: 0; padding: 0 24px 22px 50px; font-size: 15px; letter-spacing: .05em; }
.notice { font-size: 12px; color: var(--sub); text-align: center; margin-top: 24px; letter-spacing: .03em; }

.cta-band { background: linear-gradient(90deg, var(--blue) 0, var(--blue-mid) 100%); color: #fff; padding: 64px 0; text-align: center; }
.cta-band h2 { font-size: 30px; margin: 0 0 8px; line-height: 1.5; }
.cta-band p { margin: 0 0 28px; }
.cta-band .cta { margin: 0 auto; }
.cta-band .btn-l.line { background: transparent; color: #fff; border-color: #fff; }

/* 下層ページ */
.page-head { background: var(--gray); padding: 48px 0 40px; }
.crumb { font-size: 12px; color: var(--sub); margin: 0 0 12px; }
.crumb a { color: var(--blue); }
.page-head h1 { font-size: 32px; line-height: 1.5; margin: 0; color: var(--ink); }
.page-head .subtitle { display: block; font-size: 18px; color: var(--sub); font-weight: 500; margin-top: 6px; }
.page-head .meta { margin: 16px 0 0; font-size: 13px; color: var(--sub); display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.page-head .meta .tag { background: var(--blue); color: #fff; font-weight: 700; padding: 2px 8px; border-radius: 2px; }

.article { max-width: 800px; margin: 0 auto; padding: 48px 24px 80px; }
.article .summary { font-size: 17px; border-left: 4px solid var(--blue); padding: 4px 0 4px 18px; margin: 0 0 40px; }
.prose h2 { font-size: 24px; line-height: 1.5; margin: 56px 0 18px; padding-bottom: 10px; border-bottom: 2px solid var(--line); }
.prose h3 { font-size: 19px; line-height: 1.5; margin: 36px 0 12px; color: var(--blue); }
.prose h4 { font-size: 17px; margin: 28px 0 10px; }
.prose p { margin: 0 0 1.2em; letter-spacing: .04em; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.5em; }
.prose li { margin: .35em 0; }
.prose strong { color: var(--ink); background: linear-gradient(transparent 62%, #dbe9fb 62%); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
.prose a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.prose blockquote { margin: 0 0 1.2em; padding: 12px 18px; border-left: 4px solid var(--line); color: var(--sub); }
.table-wrap { overflow-x: auto; margin: 0 0 1.4em; -webkit-overflow-scrolling: touch; }
.prose table { border-collapse: collapse; width: 100%; font-size: 14px; letter-spacing: .03em; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 12px; vertical-align: top; text-align: left; }
.prose th { background: var(--gray); font-weight: 700; white-space: nowrap; }
.article-cta { margin-top: 56px; padding: 32px; background: var(--gray); border-radius: var(--radius); text-align: center; }
.article-cta p { margin: 0 0 18px; font-weight: 700; }
.article-cta .cta { margin: 0 auto; }

.list { padding: 56px 0 88px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 36px; }
.filters a { font-size: 14px; font-weight: 700; border: 1px solid var(--line); border-radius: 999px; padding: 6px 16px; color: var(--sub); }
.filters a[aria-current="page"] { background: var(--blue); border-color: var(--blue); color: #fff; }
.cat-sec + .cat-sec { margin-top: 64px; }
.cat-sec h2 { font-size: 22px; margin: 0 0 24px; }

.plain { max-width: 800px; margin: 0 auto; padding: 48px 24px 88px; }
.plain h2 { font-size: 22px; margin: 40px 0 14px; }
.plain dl { display: grid; grid-template-columns: 9em 1fr; gap: 0; margin: 0; border-top: 1px solid var(--line); }
.plain dt, .plain dd { padding: 14px 0; border-bottom: 1px solid var(--line); margin: 0; }
.plain dt { font-weight: 700; color: var(--sub); }
.status { display: inline-block; background: #fff1f4; color: #b8173f; border: 1px solid #ffc2d0; font-weight: 700; font-size: 14px; padding: 4px 12px; border-radius: var(--radius); }

footer.site { background: var(--gray); padding: 48px 0 40px; font-size: 13px; color: var(--sub); }
footer.site .cols { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px 48px; }
footer.site .flogo img { height: 24px; width: auto; display: block; margin-bottom: 12px; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
footer.site nav a:hover { color: var(--blue); }
footer.site .fine { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 12px; }
footer.site .fine p { margin: 0 0 4px; }
footer.site a.ext { color: var(--blue); }

@media (max-width: 1000px) {
  .util { display: none; }
  header.site .wrap { height: auto; flex-wrap: wrap; gap: 0 16px; padding-top: 10px; }
  .gnav { order: 3; width: 100%; overflow-x: auto; gap: 20px; padding: 8px 0 10px; font-size: 14px; white-space: nowrap; }
  .fv .wrap { grid-template-columns: minmax(0, 1fr); }
  .art { overflow: hidden; height: 380px; }
  .fv h1 { font-size: 40px; } .fv .lead { font-size: 20px; }
  .doc { left: 120px; width: 300px; } .circle { left: 60px; }
  .three, .steps, .cards { grid-template-columns: 1fr; }
  .proof .wrap { grid-template-columns: 1fr 1fr; }
  .pf:nth-child(2) { border-right: 0; }
  .intro { text-align: left; }
  .h2 { font-size: 26px; }
  .page-head h1 { font-size: 25px; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .logo img { height: 24px; }
  .btn-s { padding: 0 10px; font-size: 12px; }
  .fv h1 { font-size: 32px; } .fv .lead { font-size: 17px; } .fv .sub { font-size: 16px; }
  .bubble { width: 76px; height: 76px; font-size: 11px; } .b1,.b2,.b3 { left: 0; }
  .b1 { top: 20px; } .b2 { top: 130px; } .b3 { top: 240px; }
  .doc { left: 84px; width: calc(100% - 84px); padding: 16px; }
  .cta-band h2 { font-size: 22px; }
  .article { padding: 32px 16px 64px; }
  .plain { padding: 32px 16px 64px; }
  .plain dl { grid-template-columns: 1fr; }
  .plain dt { border-bottom: 0; padding-bottom: 0; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }