:root{
  --navy:#0E1A33; --navy2:#16263F; --ice:#78C7ED; --pearl:#F4F7FB; --cyan:#45E0CF;
  --gold:#C9A86A; --muted:#526074; --line:#D8E0EA; --ink:#0E1A33;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--pearl);color:var(--ink);font-family:'Noto Sans JP',sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
button,a,summary{-webkit-tap-highlight-color:transparent}
button{font:inherit;cursor:pointer;border:0}
a{color:inherit;text-decoration:none}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #269DC1;outline-offset:4px}
p{font-size:14px;line-height:2.05;margin-top:0}
h1,h2,h3,h4,p{margin-top:0}
h2{font-family:'Shippori Mincho B1','Noto Sans JP',serif;font-size:clamp(28px,3.2vw,44px);line-height:1.55;letter-spacing:.01em;font-weight:800}
h3{font-size:21px;line-height:1.7}
small{line-height:1.8}
.wrap{width:min(1180px,calc(100% - 112px));margin-inline:auto}
.section{padding-block:104px}
.skip{position:absolute;left:10px;top:-100px;z-index:99;padding:14px;background:#fff}
.skip:focus{top:10px}
.mobile{display:none}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* header */
.header{position:sticky;top:0;z-index:50;height:78px;background:rgba(14,26,51,.96);backdrop-filter:blur(10px);color:#fff;padding:0 4.2%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff1c}
.brand{display:flex;gap:12px;align-items:center;font-size:19px;font-weight:800;letter-spacing:.08em}
.brand-symbol{border:1px solid #78c7ed80;width:42px;height:42px;display:grid;place-items:center;color:var(--ice);font-size:24px;font-family:'Shippori Mincho B1',serif}
.brand-sub{display:block;font-size:9px;font-weight:400;letter-spacing:.12em;margin-top:4px;color:#B9C9DC}
.header nav{display:flex;gap:28px;font-size:12px}
.header nav a{opacity:.85;transition:.2s}
.header nav a:hover{color:var(--ice);opacity:1}
.header-cta{background:var(--cyan);color:var(--navy);padding:12px 18px;font-size:12px;font-weight:800}
.header-cta span{margin-left:14px}

/* buttons */
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;padding:20px 26px;font-weight:800;font-size:13px;line-height:1.5;transition:.2s}
.primary{background:var(--cyan);color:var(--navy);box-shadow:0 10px 34px rgba(69,224,207,.22)}
.primary:hover{background:#83EEE3;transform:translateY(-2px)}
.button span{font-size:18px}

/* hero */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.hero-photo,.hero-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-photo{object-position:center 62%;filter:saturate(.6) brightness(.6)}
.hero-shade{background:linear-gradient(92deg,rgba(14,26,51,.97) 0%,rgba(14,26,51,.78) 48%,rgba(14,26,51,.28) 100%),linear-gradient(0deg,var(--navy),transparent 42%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center;width:min(1180px,calc(100% - 112px));margin-inline:auto;padding:72px 0 56px}
.issue{font-size:12px;color:var(--ice);letter-spacing:.16em;margin-bottom:22px;display:flex;align-items:center;gap:12px}
.issue>span{width:28px;height:1px;background:var(--ice)}
h1{font-family:'Shippori Mincho B1','Noto Sans JP',serif;font-size:clamp(44px,5.4vw,78px);line-height:1.35;font-weight:800;margin-bottom:24px}
.hero-description{font-size:15px;color:#D9E5EF}
.hero-description strong{color:#fff}
.hero-note{font-size:10px;color:#AFC3D8;margin:12px 0 0}
.hero-person{margin:0;border:1px solid #ffffff2e;background:#12203A;box-shadow:0 28px 70px rgba(0,0,0,.45)}
.hero-person>img{display:block;width:100%;height:auto;aspect-ratio:4/4.6;object-fit:cover;object-position:center 22%}
.hero-person-caption{padding:18px 20px 16px}
.hero-person-caption>span{display:block;font-size:11px;color:var(--ice);letter-spacing:.08em}
.hero-person-caption>a{display:flex;justify-content:space-between;align-items:center;font-family:'Shippori Mincho B1',serif;font-size:26px;font-weight:800;margin:6px 0 4px}
.hero-person-caption small{display:block;font-size:10px;color:#C7D5E6}
.hero-stats{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);width:min(1180px,calc(100% - 112px));margin:0 auto;border-top:1px solid #ffffff2b}
.hero-stats>div{padding:22px 22px 28px;border-left:1px solid #ffffff1c}
.hero-stats>div:first-child{border-left:0;padding-left:0}
.hero-stats b{display:block;font-family:'Shippori Mincho B1',serif;font-size:clamp(20px,2.2vw,30px);color:#fff;white-space:nowrap}
.hero-stats span{display:block;font-size:10px;line-height:1.8;color:#AFC3D8;margin-top:6px}

.reading-strip{display:flex;justify-content:center;gap:22px;align-items:center;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:22px 20px;font-size:12px;background:#fff}
.reading-strip>span{font-size:10px;color:var(--muted);letter-spacing:.1em}
.reading-strip i{font-style:normal;color:#9DB9CF}

/* perspective */
.perspective{display:grid;grid-template-columns:1fr 1fr;gap:88px}
.kicker,.eyebrow{font-size:11px;letter-spacing:.12em;color:#2F6B8F;margin-bottom:20px;font-weight:700}
.eyebrow.gold{color:#8A6D35}
.section-intro>p:last-child{color:var(--muted);margin-top:26px}
.pain-list article{padding:24px 0;border-top:1px solid #BCCAD8}
.pain-list article:first-child{padding-top:6px;border-top:none}
.pain-tag{display:inline-block;color:#2F6B8F;font-size:10px;font-weight:700;margin-bottom:10px;border-left:3px solid var(--ice);padding-left:10px;letter-spacing:.08em}
.pain-list h3{margin-bottom:10px}
.pain-list p{font-size:12.5px;color:var(--muted);margin-bottom:0}

/* person sections */
.person{background:#EDF2F8;border-top:1px solid var(--line)}
.person-dark{background:linear-gradient(180deg,#0B1528,#101F3C);color:#EEF3F9;border-top:0}
.person-head{max-width:780px;margin-bottom:52px}
.person-head h2{margin-bottom:20px}
.person-head>p:last-child{color:var(--muted);font-size:13.5px}
.person-dark .person-head>p:last-child{color:#B9C9DC}
.person-layout{display:grid;grid-template-columns:minmax(300px,420px) 1fr;gap:64px;align-items:start}
.person-photo{margin:0;position:sticky;top:104px}
.person-photo img{display:block;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:center 20%;border-radius:6px;box-shadow:0 24px 60px rgba(14,26,51,.18)}
.person-photo figcaption{display:flex;flex-direction:column;gap:2px;padding:16px 4px 0}
.person-photo figcaption b{font-family:'Shippori Mincho B1',serif;font-size:24px}
.person-photo figcaption span{font-size:10px;letter-spacing:.12em;color:var(--muted)}
.person-body h3{font-family:'Shippori Mincho B1',serif;font-size:24px;margin:34px 0 14px}
.person-body>p{color:#33445E;font-size:13.5px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.stat-grid>div{background:#fff;padding:20px 22px}
.stat-grid b{display:block;font-family:'Shippori Mincho B1',serif;font-size:22px;color:var(--navy)}
.stat-grid span{display:block;font-size:10px;line-height:1.8;color:var(--muted);margin-top:5px}
.topics{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 6px}
.topics span{padding:7px 13px;background:#DCE9F4;font-size:11.5px;font-weight:700;border:1px solid #C4D6E8;color:#23405E}
.timeline{list-style:none;margin:28px 0 0;padding:0}
.timeline li{display:grid;grid-template-columns:76px 1fr;gap:18px;padding:16px 0;border-top:1px solid var(--line)}
.timeline time{font-family:'Shippori Mincho B1',serif;font-weight:800;font-size:17px;color:#1D5F86}
.timeline p{font-size:12.5px;color:#3D4F68;margin:0}
.timeline-dark li{border-top-color:#ffffff22}
.timeline-dark time{color:var(--gold)}
.timeline-dark p{color:#C9D6E8}

/* kiyohara */
.big-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#ffffff22;border:1px solid #ffffff22;margin-bottom:56px}
.big-stats>div{background:rgba(255,255,255,.03);padding:28px}
.big-stats b{display:block;font-family:'Shippori Mincho B1',serif;font-size:clamp(26px,3vw,40px);color:var(--gold);line-height:1.3}
.big-stats span{display:block;font-size:11px;line-height:1.9;color:#B9C9DC;margin-top:8px}
.kiyohara-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:start}
.kiyohara-grid h3{font-family:'Shippori Mincho B1',serif;font-size:24px;margin-bottom:14px}
.kiyohara-grid>div>p{color:#B9C9DC;font-size:13.5px}
.lessons-cards{display:grid;gap:14px;margin-top:28px}
.lessons-cards article{background:rgba(255,255,255,.045);border:1px solid #ffffff1e;border-left:3px solid var(--gold);padding:20px 22px}
.lessons-cards article>span{font-size:10px;letter-spacing:.14em;color:var(--gold);font-weight:800}
.lessons-cards h4{font-size:16px;margin:8px 0}
.lessons-cards p{font-size:12px;color:#AFC0D6;margin:0}
.bridge{margin-top:60px;text-align:center;border:1px solid #ffffff24;background:rgba(255,255,255,.04);padding:40px 30px}
.bridge p{font-family:'Shippori Mincho B1',serif;font-size:clamp(17px,2vw,22px);line-height:2}
.bridge strong{color:var(--gold)}

/* method */
.method{background:var(--navy);color:var(--pearl)}
.method .kicker{color:var(--ice)}
.method-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:52px}
.method-heading h2{margin:0}
.method-heading>p{font-size:12px;color:#B2C0D5;margin-bottom:8px}
.study-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.report{background:var(--pearl);color:var(--navy);padding:34px 36px;box-shadow:14px 14px 0 rgba(120,199,237,.08);transform:rotate(-1.6deg)}
.report-top{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px;font-size:10px;color:var(--muted);letter-spacing:.08em}
.report h3{font-family:'Shippori Mincho B1',serif;font-size:26px;margin:24px 0 8px}
.report>p{font-size:11px;color:var(--muted)}
.report-table>div{display:grid;grid-template-columns:1.6fr 1fr 1fr;border-bottom:1px solid var(--line);padding:14px 12px;font-size:12px}
.report-table>div:first-child{font-size:9px;color:var(--muted)}
.report-table>div>*:not(:first-child){text-align:right}
.report-table .highlight{background:rgba(120,199,237,.16);outline:1px solid var(--ice)}
.annotation{display:flex;gap:14px;margin:14px 0 16px;color:#245E7E}
.annotation>span{font-size:32px;line-height:1}
.annotation p{font-size:11px;margin:0}
.report small{font-size:9px;color:var(--muted)}
.lessons article{padding:26px 0;border-bottom:1px solid #ffffff24}
.lessons article:first-child{padding-top:0}
.lessons article:last-child{border-bottom:0}
.lessons article>span{font-size:10px;color:var(--ice);letter-spacing:.08em;font-weight:700}
.lessons h3{font-size:18px;margin:10px 0}
.lessons p{font-size:12px;color:#B7C7DA;margin:0}

/* materials */
.materials{display:grid;grid-template-columns:1fr 1fr;gap:84px;align-items:center}
.books-scene{position:relative;height:460px;background:radial-gradient(ellipse at 50% 65%,#CEDBE7 0%,transparent 67%)}
.book{position:absolute;width:250px;height:350px;padding:28px 24px;box-shadow:8px 25px 30px rgba(16,27,53,.16);display:flex;flex-direction:column}
.front{background:var(--navy);color:#fff;transform:rotate(-9deg);left:28px;top:62px;border-left:6px solid #273956}
.book-brand{font-size:7px;color:var(--ice);margin-bottom:34px;letter-spacing:.14em}
.front>span{font-family:'Shippori Mincho B1',serif;font-size:26px;font-weight:800;line-height:1.6}
.front>p{font-size:9px;color:#B7C9DD;margin-top:14px;line-height:1.8}
.front svg{position:absolute;bottom:22px;right:0;width:150px;height:100px;opacity:.7}
.book small{font-size:8px;margin-top:auto}
.back{background:#D9EAF4;color:var(--navy);transform:rotate(9deg);right:0;top:14px;border-left:5px solid #BDD3E3}
.back>span{font-size:9px;letter-spacing:.1em}
.back>b{font-family:'Shippori Mincho B1',serif;font-size:19px;line-height:1.8;margin-top:32px}
.book-lines{height:90px;background:repeating-linear-gradient(transparent 0 21px,rgba(16,27,53,.2) 22px 23px);margin-top:28px}
.materials-copy>p:not(.kicker){color:var(--muted);font-size:13px}
.included{list-style:none;padding:0;font-size:12.5px;line-height:2.6;margin:22px 0 28px}
.included span{color:#1E8A7E;font-weight:800;margin-right:10px}
.materials-copy>small{display:block;font-size:10px;color:var(--muted);margin-top:12px}

/* editor / faq */
.editor-note{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:52px;background:#EAF0F6}
.editor-inner{display:grid;grid-template-columns:1fr 2fr;gap:64px}
.editor-name{border-right:1px solid #C7D2DF}
.editor-name>span{font-size:10px;color:var(--muted);letter-spacing:.1em}
.editor-name h2{font-size:30px;margin:12px 0 2px}
.editor-name p{font-size:10px;color:var(--muted)}
.editor-inner h3{font-family:'Shippori Mincho B1',serif;font-size:23px;margin-bottom:16px}
.editor-inner>div>p{color:var(--muted);font-size:12.5px}
.faq{display:grid;grid-template-columns:1fr 1.7fr;gap:56px}
.faq h2{font-size:30px}
.faq>div>p:last-child{font-size:12px;color:var(--muted)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary,.privacy summary{cursor:pointer;font-weight:700;font-size:13px;padding:22px 34px 22px 0;list-style:none;position:relative;line-height:1.7}
summary::-webkit-details-marker{display:none}
.faq summary:after{content:'+';position:absolute;right:4px;font-size:20px;top:16px;font-weight:400}
.faq details[open] summary:after{content:'−'}
.faq details p{font-size:12px;color:var(--muted);padding-right:28px;margin-bottom:22px}

/* closing / footer */
.closing{position:relative;text-align:center;background:var(--navy);color:#fff;overflow:hidden;padding:84px 24px}
.closing>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 60%;opacity:.16}
.closing>div{position:relative}
.closing p{font-size:11px;color:#B7D9ED;letter-spacing:.1em}
.closing h2{font-size:clamp(24px,3vw,38px);margin-bottom:28px}
.footer{padding-block:42px 128px}
.footer .brand-symbol{color:var(--navy);border-color:#9AAEC0}
.footer .brand-sub{color:var(--muted)}
.footer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.footer-top>span{font-size:10px;color:var(--muted)}
.footer>p{font-size:9.5px;color:var(--muted);line-height:2}
.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:18px;margin-top:22px}
.footer-bottom small,.footer-bottom button{font-size:9px;color:var(--muted)}
.footer-bottom button{background:none}
.privacy{margin-bottom:130px;scroll-margin-top:96px}
.privacy p{font-size:11px;color:var(--muted)}
.fixed-cta{position:fixed;z-index:60;bottom:calc(16px + env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%);display:flex;align-items:center;padding:8px 8px 8px 22px;background:rgba(14,26,51,.97);backdrop-filter:blur(12px);border:1px solid #ffffff30;box-shadow:0 10px 36px rgba(0,0,0,.35);border-radius:6px;gap:22px;white-space:nowrap}
.fixed-cta>span{font-size:11px;color:#fff}
.fixed-cta button{padding:15px 24px;background:var(--cyan);color:var(--navy);font-size:12px;font-weight:800;border-radius:2px}
.fixed-cta button>span{margin-left:18px;font-size:16px}
.fixed-cta button:hover{background:#8BF1E5}

/* responsive */
@media(max-width:1100px){
  .wrap,.hero-inner,.hero-stats{width:calc(100% - 64px)}
  .header nav{display:none}
  .perspective,.kiyohara-grid{gap:48px}
  .person-layout{gap:44px}
  .study-layout,.materials{gap:44px}
}
@media(max-width:760px){
  .wrap,.hero-inner,.hero-stats{width:calc(100% - 40px)}
  .section{padding-block:64px}
  .header{height:68px;padding-inline:18px}
  .brand{font-size:15px;gap:9px}
  .brand-symbol{width:34px;height:34px;font-size:21px}
  .header-cta{font-size:10px;padding:11px 12px}
  .header-cta span{margin-left:6px}
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:44px 0 36px}
  h1{font-size:clamp(36px,9.4vw,52px);line-height:1.42}
  .hero-description{font-size:13px}
  .hero .button{width:100%;font-size:12px;padding:18px 20px}
  .hero-person{max-width:360px;margin-inline:auto;width:100%}
  .hero-person>img{aspect-ratio:5/4.2;object-position:center 18%}
  .hero-stats{grid-template-columns:1fr 1fr;padding-bottom:8px}
  .hero-stats>div{padding:18px 14px 18px 0}
  .hero-stats>div:nth-child(3){border-left:0;padding-left:0}
  .hero-stats b{font-size:19px;white-space:normal}
  .perspective{grid-template-columns:1fr;gap:30px}
  .person-layout,.kiyohara-grid{grid-template-columns:1fr}
  .person-photo{position:static;max-width:400px;margin-inline:auto;width:100%}
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat-grid b{font-size:18px}
  .timeline li{grid-template-columns:62px 1fr;gap:12px}
  .big-stats{grid-template-columns:1fr}
  .big-stats>div{padding:22px}
  .method-heading{display:block;margin-bottom:36px}
  .method-heading>p{margin-top:18px}
  .study-layout,.materials{grid-template-columns:1fr;gap:38px}
  .report{padding:26px;max-width:430px;margin-inline:auto;width:97%}
  .books-scene{height:410px;max-width:380px;width:100%;margin-inline:auto}
  .book{height:305px;width:208px}
  .front{left:16px;top:56px}
  .back{right:4px}
  .editor-inner{grid-template-columns:1fr;gap:18px}
  .editor-name{border-right:0;border-bottom:1px solid #C7D2DF;padding-bottom:10px}
  .faq{grid-template-columns:1fr;gap:12px}
  .closing{padding:58px 20px}
  .footer{padding-bottom:calc(122px + env(safe-area-inset-bottom,0px))}
  .footer-top>span{display:none}
  .fixed-cta{width:calc(100% - 28px);max-width:430px;padding:7px;gap:0}
  .fixed-cta>span{display:none}
  .fixed-cta button{width:100%;font-size:13px;padding:16px 18px}
  .bridge{padding:30px 20px}
  .bridge .button{width:100%;font-size:12px}
}