:root{
  --ps-paper:#f7f5ef;
  --ps-white:#fff;
  --ps-ink:#16262d;
  --ps-muted:#667177;
  --ps-green:#3f805f;
  --ps-green-dark:#2d684b;
  --ps-line:#d9ddd7;
  --ps-serif:"Noto Serif JP","Yu Mincho","Hiragino Mincho ProN",serif;
  --ps-sans:"Noto Sans JP","Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.ps-page{margin:0;background:var(--ps-paper);color:var(--ps-ink);font-family:var(--ps-sans);line-height:1.9}
.ps-page img{display:block;max-width:100%}
.ps-page a{color:inherit}
.ps-page .site-header{position:relative;z-index:20;display:flex;align-items:center;justify-content:space-between;min-height:80px;padding:14px clamp(22px,5vw,72px);background:rgba(247,245,239,.96);border-bottom:1px solid var(--ps-line)}
.ps-page .brand{display:block}
.ps-page .brand__mark{width:auto;height:46px}
.ps-page .site-nav{display:flex;gap:clamp(18px,3vw,38px);align-items:center}
.ps-page .site-nav a{font-size:13px;font-weight:700;text-decoration:none;letter-spacing:.02em}
.ps-page .site-nav a[aria-current="page"]{color:var(--ps-green)}
.ps-page .site-nav a:hover{color:var(--ps-green)}
.ps-shell{width:min(1180px,calc(100% - 48px));margin:0 auto}
.ps-kicker{margin:0 0 18px;color:var(--ps-green);font-size:12px;font-weight:800;letter-spacing:.2em;text-transform:uppercase}
.ps-hero{display:grid;grid-template-columns:minmax(0,.92fr) minmax(420px,1.08fr);min-height:680px;border-bottom:1px solid var(--ps-line)}
.ps-hero__copy{display:flex;flex-direction:column;justify-content:center;padding:clamp(70px,9vw,130px) clamp(30px,7vw,100px)}
.ps-hero h1{margin:0;font-family:var(--ps-serif);font-size:clamp(42px,5.2vw,74px);font-weight:600;line-height:1.28;letter-spacing:.02em}
.ps-hero__lead{max-width:520px;margin:32px 0 0;color:var(--ps-muted);font-size:16px}
.ps-hero__identity{display:flex;align-items:flex-end;gap:18px;margin-top:46px;padding-top:22px;border-top:1px solid var(--ps-line)}
.ps-hero__identity span{color:var(--ps-muted);font-size:12px;letter-spacing:.12em}
.ps-hero__identity strong{font-family:var(--ps-serif);font-size:28px;font-weight:600;line-height:1}
.ps-hero__photo{position:relative;overflow:hidden;min-height:680px;background:#dbe2dd}
.ps-hero__photo img{width:100%;height:100%;object-fit:cover;object-position:center 28%}
.ps-hero__photo::after{content:"";position:absolute;inset:auto 0 0;height:28%;background:linear-gradient(to top,rgba(22,38,45,.22),transparent)}
.ps-intro{padding:34px 0;border-bottom:1px solid var(--ps-line)}
.ps-intro__nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 34px}
.ps-intro__nav a{color:var(--ps-muted);font-size:13px;font-weight:700;text-decoration:none}
.ps-intro__nav a:hover{color:var(--ps-green)}
.ps-section{padding:clamp(82px,10vw,138px) 0}
.ps-section__head{display:grid;grid-template-columns:180px 1fr;gap:42px;margin-bottom:54px}
.ps-section__index{color:var(--ps-green);font-size:12px;font-weight:800;letter-spacing:.18em}
.ps-section__head h2{margin:0;font-family:var(--ps-serif);font-size:clamp(34px,4vw,52px);font-weight:600;line-height:1.4}
.ps-message{background:var(--ps-white)}
.ps-message__layout{display:grid;grid-template-columns:180px minmax(0,720px);gap:42px;justify-content:start}
.ps-message__rail{position:relative;color:var(--ps-green);font-family:var(--ps-serif);font-size:18px;writing-mode:vertical-rl;letter-spacing:.18em}
.ps-message__rail::after{content:"";position:absolute;top:0;right:48px;width:1px;height:100%;background:var(--ps-line)}
.ps-message__body{font-size:16px;line-height:2.25}
.ps-message__body p{margin:0 0 1.7em}
.ps-message__body .ps-message__quote{margin:0 0 34px;font-family:var(--ps-serif);font-size:clamp(24px,3vw,34px);font-weight:600;line-height:1.65}
.ps-signature{margin-top:40px!important;text-align:right;font-family:var(--ps-serif);font-size:18px}
.ps-fields{border-bottom:1px solid var(--ps-line)}
.ps-field-list{border-top:1px solid var(--ps-line)}
.ps-field{display:grid;grid-template-columns:90px 180px 1fr;gap:28px;padding:30px 0;border-bottom:1px solid var(--ps-line);align-items:baseline}
.ps-field:last-child{border-bottom:0}
.ps-field__num{color:var(--ps-green);font-family:var(--ps-serif);font-size:18px}
.ps-field h3{margin:0;font-family:var(--ps-serif);font-size:24px;font-weight:600}
.ps-field p{margin:0;color:var(--ps-muted);font-size:15px}
.ps-books{background:var(--ps-ink);color:var(--ps-white)}
.ps-books .ps-section__index{color:#9cc4ad}
.ps-book-list{display:grid;gap:0;border-top:1px solid rgba(255,255,255,.18)}
.ps-book{display:grid;grid-template-columns:130px minmax(260px,.8fr) 1fr;gap:34px;align-items:center;padding:36px 0;border-bottom:1px solid rgba(255,255,255,.18)}
.ps-book img{width:112px;max-height:150px;object-fit:contain;background:#fff}
.ps-book h3{margin:0;font-family:var(--ps-serif);font-size:clamp(20px,2.2vw,28px);font-weight:600;line-height:1.55}
.ps-book p{margin:0;color:#bcc6c9;font-size:14px}
.ps-cta{padding:clamp(72px,9vw,110px) 0;background:var(--ps-green);color:#fff}
.ps-cta__layout{display:flex;align-items:center;justify-content:space-between;gap:40px}
.ps-cta h2{margin:0 0 10px;font-family:var(--ps-serif);font-size:clamp(30px,4vw,48px);font-weight:600}
.ps-cta p{margin:0;opacity:.86}
.ps-cta__actions{display:flex;flex-wrap:wrap;gap:12px}
.ps-button{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 28px;border:1px solid rgba(255,255,255,.65);border-radius:2px;color:#fff;font-size:14px;font-weight:700;text-decoration:none;transition:.2s}
.ps-button.ps-button--light{background:#fff;color:var(--ps-green-dark)}
.ps-button:hover{transform:translateY(-2px);background:var(--ps-green-dark);color:#fff;border-color:var(--ps-green-dark)}
.ps-page .site-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:34px;padding:48px clamp(22px,5vw,72px);background:#111d22;color:#fff}
.ps-page .footer-brand__logo{width:auto;height:42px;filter:brightness(0) invert(1)}
.ps-page .footer-nav{display:flex;flex-direction:column;gap:7px}
.ps-page .footer-nav a{color:#cbd2d4;font-size:13px;text-decoration:none}
.ps-page .footer-contact h2{margin:0 0 8px;font-size:15px}
.ps-page .footer-contact a{display:block;color:#fff;font-size:18px;text-decoration:none}
.ps-page .footer-contact span,.ps-page .footer-contact p,.ps-page .footer-contact small{display:block;margin-top:3px;color:#aeb9bc;font-size:12px}
@media(max-width:900px){
  .ps-hero{grid-template-columns:1fr;min-height:0}
  .ps-hero__photo{grid-row:1;min-height:58vw;max-height:620px}
  .ps-hero__copy{padding:68px 34px 78px}
  .ps-section__head,.ps-message__layout{grid-template-columns:120px 1fr;gap:28px}
  .ps-field{grid-template-columns:70px 150px 1fr}
  .ps-book{grid-template-columns:100px 1fr}.ps-book p{grid-column:2}
  .ps-cta__layout{align-items:flex-start;flex-direction:column}
}
@media(max-width:640px){
  .ps-page .site-header{min-height:68px;padding:10px 18px}
  .ps-page .brand__mark{height:38px}
  .ps-shell{width:min(100% - 36px,1180px)}
  .ps-hero__photo{min-height:88vw}
  .ps-hero__copy{padding:54px 22px 64px}
  .ps-hero h1{font-size:38px}
  .ps-hero__lead{margin-top:24px;font-size:14px}
  .ps-hero__identity{align-items:flex-start;flex-direction:column;gap:10px;margin-top:34px}
  .ps-intro{display:none}
  .ps-section{padding:76px 0}
  .ps-section__head{display:block;margin-bottom:38px}
  .ps-section__index{display:block;margin-bottom:12px}
  .ps-message__layout{display:block}
  .ps-message__rail{margin-bottom:30px;writing-mode:horizontal-tb}
  .ps-message__rail::after{display:none}
  .ps-message__body{font-size:15px;line-height:2.1}
  .ps-field{grid-template-columns:44px 1fr;gap:8px 14px;padding:24px 0}
  .ps-field p{grid-column:2}
  .ps-book{grid-template-columns:82px 1fr;gap:18px;padding:28px 0}
  .ps-book img{width:76px;max-height:110px}
  .ps-book p{grid-column:1/-1}
  .ps-cta__actions{width:100%}.ps-button{width:100%}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.ps-button{transition:none}}