:root{--ink:#101829;--muted:#586276;--paper:#f4f2ea;--white:#fff;--blue:#0a3f7a;--aqua:#42c9cc;--yellow:#f4bd3c;--coral:#ed684d;--line:#d9dce2}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Noto Sans JP",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.topbar{min-height:72px;padding:14px max(22px,4vw);display:flex;align-items:center;justify-content:space-between;gap:22px;background:#fff;border-top:5px solid var(--blue);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:baseline;gap:14px}.brand strong{font-size:21px;letter-spacing:-.04em}.brand span,.eyebrow{font-size:11px;font-weight:800;letter-spacing:.15em}.language-switch{display:flex;flex-wrap:wrap;gap:8px}.language-switch a{min-width:42px;padding:8px 10px;border:1px solid var(--line);border-radius:999px;text-align:center;font-size:12px;font-weight:800}.language-switch a[aria-current="page"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);min-height:650px;background:#fff;border-bottom:1px solid var(--line)}.hero-copy{padding:clamp(58px,8vw,110px) max(28px,7vw)}.eyebrow{margin:0;color:var(--blue)}h1{margin:22px 0 0;font-size:clamp(56px,8vw,108px);line-height:.92;letter-spacing:-.075em}h1 span{display:block;margin-top:16px;color:var(--muted);font-size:.23em;line-height:1.3;letter-spacing:.02em}.lead{max-width:770px;margin:34px 0 0;font-size:clamp(17px,1.6vw,21px);line-height:1.85}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.hero-actions a{padding:14px 18px;border:2px solid var(--ink);font-size:14px;font-weight:800}.hero-actions .primary{background:var(--yellow)}.portrait{position:relative;overflow:hidden;display:grid;place-items:end center;padding:46px 32px 0;background:linear-gradient(145deg,#08285b,#0d6e9d 68%,#42c9cc)}.portrait:before{content:"AUTHOR / RIDER / DOCTOR";position:absolute;top:30px;right:28px;color:rgba(255,255,255,.75);font-size:10px;letter-spacing:.19em}.portrait img{position:relative;z-index:1;width:min(100%,560px);filter:drop-shadow(0 26px 28px rgba(0,18,54,.35))}
.stats{display:grid;grid-template-columns:repeat(3,1fr);background:var(--ink);color:#fff}.stats article{padding:30px max(22px,4vw);border-right:1px solid rgba(255,255,255,.2)}.stats article:last-child{border-right:0}.stats small{display:block;color:#9edfe5;font-size:10px;font-weight:800;letter-spacing:.15em}.stats strong{display:block;margin-top:8px;font-size:clamp(20px,2vw,29px);line-height:1.25}
.section{padding:clamp(66px,9vw,120px) max(24px,7vw)}.section h2{max-width:900px;margin:18px 0 0;font-size:clamp(38px,5.4vw,72px);line-height:1.08;letter-spacing:-.055em}.bio-grid{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:clamp(34px,7vw,110px);margin-top:45px}.credentials{padding:28px;background:#fff;border-left:9px solid var(--aqua);box-shadow:0 16px 42px rgba(12,30,60,.08)}.credentials ul{list-style:none;margin:0;padding:0}.credentials li{padding:14px 0;border-bottom:1px solid var(--line);font-weight:800}.credentials li:last-child{border-bottom:0}.bio-copy p{margin:0 0 20px;font-size:17px;line-height:1.95}.bio-copy p:last-child{margin-bottom:0}
.books{background:#fff}.book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:48px}.book-card{display:flex;flex-direction:column;min-width:0;border:1px solid var(--line);background:#f8f8f5;transition:.18s}.book-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(12,30,60,.12)}.book-card figure{height:320px;margin:0;display:grid;place-items:center;padding:28px;background:linear-gradient(145deg,#e6ecf3,#fff)}.book-card img{max-height:264px;max-width:100%;box-shadow:10px 12px 0 rgba(12,30,60,.14)}.book-card div{display:flex;flex:1;flex-direction:column;padding:23px}.book-card small{color:var(--blue);font-size:10px;font-weight:800;letter-spacing:.12em}.book-card strong{margin-top:10px;font-size:19px;line-height:1.45}.book-card span{margin-top:auto;padding-top:18px;color:var(--muted);font-size:13px}.book-card.featured{border-top:6px solid var(--coral)}
.pathways{display:grid;grid-template-columns:1fr 1fr;gap:22px}.pathway{padding:34px;background:#fff;border:1px solid var(--line)}.pathway:first-child{border-top:8px solid var(--yellow)}.pathway:last-child{border-top:8px solid var(--aqua)}.pathway h3{margin:10px 0 0;font-size:27px;line-height:1.25}.pathway p{color:var(--muted)}.pathway a{display:inline-block;margin-top:10px;padding-bottom:3px;border-bottom:2px solid;font-weight:800}.identity-note{margin-top:32px;padding:18px 20px;background:#eaf2ff;color:#233a59;font-size:14px}.disclaimer{margin:0;padding:28px max(24px,7vw);background:#e9e7df;color:#555;font-size:13px}.site-footer{padding:34px max(22px,4vw);display:flex;justify-content:space-between;align-items:center;gap:20px;background:var(--ink);color:#fff;font-size:12px}.site-footer strong{font-size:18px}
@media(max-width:980px){.hero{grid-template-columns:1fr}.portrait{min-height:430px}.portrait img{width:min(78%,460px)}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.topbar{align-items:flex-start;flex-direction:column}.brand span{display:none}.language-switch{width:100%;justify-content:space-between}.language-switch a{flex:1}.hero{min-height:0}.hero-copy{padding:54px 22px}.hero h1{font-size:57px}.hero h1 span{font-size:.25em}.lead{font-size:17px}.hero-actions{display:grid}.hero-actions a{text-align:center}.portrait{min-height:330px;padding:30px 18px 0}.portrait:before{top:18px;right:18px}.stats{grid-template-columns:1fr}.stats article{border-right:0;border-bottom:1px solid rgba(255,255,255,.2)}.stats article:last-child{border-bottom:0}.section{padding:64px 22px}.section h2{font-size:39px}.bio-grid,.pathways{grid-template-columns:1fr}.book-grid{grid-template-columns:1fr}.book-card figure{height:300px}.site-footer{align-items:flex-start;flex-direction:column}}

/* Mobile hardening: keep long credentials and four language choices readable. */
.eyebrow{overflow-wrap:anywhere}
@media(max-width:680px){.language-switch{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.language-switch a{min-width:0;padding:8px 5px}.hero-copy{overflow:hidden}.hero-copy .eyebrow{font-size:9px;line-height:1.65;letter-spacing:.1em}}