*{box-sizing:border-box}
html,body{margin:0;padding:0}
:root{--ink:#0b0b0b;--ink-soft:#3f3f46;--muted:#71717a;--line:#e4e4e7;--bg:#fff;--bg-soft:#fafafa;--maxw:940px;--ease:cubic-bezier(0.16,1,0.3,1)}
body{background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
header.site{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;font-size:20px;letter-spacing:-.02em}
.back{font-size:14px;color:var(--muted);transition:color .2s var(--ease)}
.back:hover{color:var(--ink)}
.hero{padding:clamp(48px,6vw,88px) 0 clamp(28px,3vw,44px)}
.crumb{font-size:13px;color:var(--muted);margin-bottom:26px}
.crumb a:hover{color:var(--ink)}
.ic{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:24px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.22em;color:var(--muted)}
h1{font-size:clamp(2rem,1rem+4.2vw,3.4rem);line-height:1.14;letter-spacing:-.03em;font-weight:800;margin:12px 0 0}
.lead{max-width:44rem;margin:22px 0 0;font-size:clamp(1.02rem,.95rem+.4vw,1.18rem);color:var(--ink-soft)}
.meta{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:44px 0 0}
.meta div{padding:20px 0}
.meta div+div{border-left:1px solid var(--line);padding-left:24px}
.meta dt{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--muted);margin:0 0 6px}
.meta dd{margin:0;font-weight:700;font-size:.98rem}
section.block{padding:clamp(36px,4vw,56px) 0;border-bottom:1px solid var(--line)}
.block h2{font-size:clamp(1.4rem,1rem+1.8vw,2rem);letter-spacing:-.02em;margin:0 0 22px;display:flex;align-items:baseline;gap:14px}
.block h2 .no{font-size:13px;font-weight:700;color:var(--muted)}
ul.points{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
ul.points li{position:relative;padding-left:34px;color:var(--ink-soft);font-size:1.02rem}
ul.points li::before{content:"";position:absolute;left:0;top:.55em;width:18px;height:2px;background:var(--ink)}
ul.results li::before{top:.35em;width:22px;height:22px;background:var(--accent,#0b0b0b);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/72% no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/72% no-repeat}
ul.results li{padding-left:34px;font-size:1.06rem;color:var(--ink)}
ul.results li b{font-weight:800}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tags span{border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.9rem;font-weight:600;color:var(--ink-soft);background:var(--bg-soft)}
/* Flow diagram */
.flow{display:flex;flex-wrap:wrap;align-items:stretch;gap:10px}
.flow__step{flex:1 1 150px;background:var(--bg-soft);border:1px solid var(--line);border-top:3px solid var(--accent,#0b0b0b);border-radius:14px;padding:18px 16px}
.flow__num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--accent,#0b0b0b);color:#fff;font-weight:800;font-size:.85rem;margin-bottom:12px}
.flow__label{margin:0;font-weight:700;font-size:.98rem;color:var(--ink);line-height:1.45}
.flow__desc{margin:6px 0 0;font-size:.83rem;color:var(--muted);line-height:1.5}
.flow__arrow{display:flex;align-items:center;justify-content:center;color:var(--accent,#0b0b0b);font-size:1.3rem;font-weight:700;flex:0 0 auto}
@media(max-width:760px){.meta{grid-template-columns:1fr}.meta div+div{border-left:0;padding-left:0;border-top:1px solid var(--line)}.flow{flex-direction:column}.flow__arrow{transform:rotate(90deg);padding:2px 0}}
.cta{text-align:center;padding:clamp(44px,6vw,72px) 0}
.cta-box{border-radius:26px;padding:clamp(40px,5vw,68px) 24px;background:linear-gradient(135deg,#0b0b0b,#27272a);color:#fff}
.cta-box h2{color:#fff;font-size:clamp(1.4rem,1rem+1.6vw,2rem);margin:0}
.cta-box p{color:#d4d4d8;max-width:38rem;margin:14px auto 0}
.btn{display:inline-flex;align-items:center;gap:10px;margin-top:28px;background:#fff;color:#0b0b0b;font-weight:700;padding:15px 34px;border-radius:999px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px -14px rgba(0,0,0,.5)}
.pagenav{display:flex;justify-content:space-between;gap:16px;padding:28px 0 56px;font-size:.95rem}
.pagenav a{color:var(--muted);font-weight:600}
.pagenav a:hover{color:var(--ink)}
footer.site{border-top:1px solid var(--line);padding:36px 0;color:var(--muted);font-size:.86rem}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}