@charset "UTF-8";
:root{--ink:#153b40;--text:#233c40;--accent:#ce562e;--pale:#edf3f3;--line:#d7e0df;--muted:#5b7174;--white:#fff;--serif:Georgia,'Yu Mincho','Hiragino Mincho ProN',serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--text);background:#fff;font-family:'Yu Gothic','Hiragino Kaku Gothic ProN',Meiryo,sans-serif;line-height:1.8;font-size:16px}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,summary{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}img{max-width:100%;height:auto;vertical-align:middle}button,summary{cursor:pointer}h1,h2,h3,p{margin-top:0}a:hover{color:var(--accent)}.wrap{width:min(1160px,calc(100% - 96px));margin:auto}.section{padding-top:80px;padding-bottom:70px}.eyebrow{display:block;font-family:Arial,sans-serif;font-size:12px;font-weight:700;letter-spacing:.19em;color:var(--muted);margin-bottom:16px}.site-header{position:relative;z-index:20;min-height:103px;display:flex;align-items:center;justify-content:space-between;padding:22px 40px;border-bottom:1px solid var(--line);background:#fff;gap:20px}.brand{display:flex;flex-direction:column;flex:none}.brand-en{font-family:Arial,sans-serif;letter-spacing:.03em;font-size:25px;font-weight:900;line-height:1.2}.brand-dot{color:var(--accent)}.brand-ja{font-size:11px;letter-spacing:.025em;margin-top:7px}.site-header>nav:not([hidden]){display:flex;gap:24px;align-items:center;font-size:13px;font-weight:700}.nav-search{border:1px solid var(--ink);padding:9px 16px}.menu-toggle{display:none}.skip{position:absolute;left:10px;top:-100px;background:#fff;z-index:100;padding:12px}.skip:focus{top:10px}.hero{display:grid;grid-template-columns:46% 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var(--ink);padding-bottom:5px;font-weight:700}.hero-note{display:flex;gap:18px;align-items:center;margin-top:35px}.hero-note b{font-family:var(--serif);font-size:46px;line-height:1}.hero-note span{font-size:12px;line-height:1.6;color:var(--muted)}.hero-visual{position:relative;padding:0 10px 58px 0;margin-left:35px;align-self:center}.hero-photo{width:100%;aspect-ratio:1.38;object-fit:cover;display:block;border-radius:2px 2px 90px 2px}.photo-tag{position:absolute;top:19px;left:19px;background:#fff;padding:5px 10px;letter-spacing:.16em;font:10px/1.7 Arial,sans-serif}.small-photo{position:absolute;bottom:-5px;left:-33px;background:#fff;padding:8px 8px 9px;transform:rotate(-5deg);width:43%;box-shadow:0 8px 30px #153b4020}.small-photo img{width:100%;aspect-ratio:1.65;object-fit:cover}.small-photo span{display:block;font-size:10px;line-height:1.6;padding:8px 0 0;text-align:center}.vertical-note{font:10px Arial,sans-serif;letter-spacing:.18em;position:absolute;right:-19px;top:20px;writing-mode:vertical-rl}.intro-strip{background:var(--ink);color:#fff;display:flex;justify-content:space-between;gap:20px;padding:18px 48px;font-size:12px;letter-spacing:.09em}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:33px}.section-head .eyebrow{margin-bottom:9px}.section-head h2{font-family:var(--serif);font-size:32px;line-height:1.5;margin-bottom:0}.starts{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.start-card{display:grid;grid-template-columns:90px 1fr;gap:19px;padding-top:22px;border-top:1px solid var(--line)}.start-card img{height:115px;width:90px;object-fit:cover}.start-num{font:italic 22px var(--serif);color:var(--accent)}.start-card h3{font-size:15px;line-height:1.8;margin:9px 0}.read-label{font-size:12px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 28px}.card{min-width:0;display:block}.card-photo{overflow:hidden;background:var(--pale);border-radius:2px}.card-photo img{aspect-ratio:1.5;width:100%;object-fit:cover;transition:transform .3s}.card:hover img{transform:scale(1.025)}.card-copy{padding-top:17px}.meta{display:flex;justify-content:space-between;gap:9px;font-size:11px;color:var(--muted);margin-bottom:8px}.meta span{font-family:Arial,sans-serif;white-space:nowrap}.card h3{font-size:19px;line-height:1.65;margin-bottom:9px;overflow-wrap:anywhere}.card p{font-size:13px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:0}.guide-band{background:var(--pale);padding:60px 0;margin:15px 0}.guide-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:65px}.guide-layout h2{font:700 29px/1.8 var(--serif)}.guide-layout p{font-size:14px;color:var(--muted);margin-bottom:0}.guide-links{display:grid;grid-template-columns:1fr 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24px;border-left:4px solid var(--accent);padding-left:18px}.prose h3{font-size:21px;line-height:1.65;margin:35px 0 20px}.prose p{margin-bottom:24px}.prose img{max-width:100%!important;height:auto!important;border-radius:3px;margin-top:12px;margin-bottom:12px}.prose iframe{max-width:100%;display:block;margin:22px auto;border:0}.prose iframe[src*="youtube"]{width:100%;height:auto;aspect-ratio:16/9}.prose a{color:#176777;text-decoration:underline;text-underline-offset:3px}.prose table{max-width:100%;display:block;overflow-x:auto;border-collapse:collapse}.prose td,.prose th{border:1px solid var(--line);padding:8px}.prose .ylw{background:#fff1ba}.prose [class^=point]{padding:20px;background:var(--pale);font-weight:700}.prose center{max-width:100%;overflow:auto}.article-end{padding-top:40px;border-top:1px solid var(--line);margin-top:45px}.aside-intro{padding:18px;background:var(--pale);font-size:13px}.aside-intro img{margin-bottom:20px}.aside-intro h2{font:700 22px var(--serif)}.aside-intro p{line-height:1.9}.aside-intro .eyebrow{font-size:10px}.aside-title{font-size:15px;margin:35px 0 12px}.aside-link{display:block;font-size:13px;padding:13px 0;border-bottom:1px solid var(--line)}.month-archive{margin:25px 0 35px}.month-links{display:flex;flex-wrap:wrap;gap:10px;padding:20px 0}.month-links a{padding:7px 13px;background:var(--pale);font-size:13px}.pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:45px}.pagination a{border:1px solid var(--line);padding:6px 13px;font:14px/2 Arial,sans-serif}.pagination a[aria-current]{background:var(--ink);color:#fff}.search-form{padding:30px;background:var(--pale);margin:35px 0}.search-form label{display:block;font-size:14px;font-weight:700;margin-bottom:12px}.search-form>div{display:flex;gap:12px}.search-form input{border:1px solid #a4b9b9;min-width:0;flex:1;padding:12px;background:#fff}.search-results a{display:block;border-bottom:1px solid var(--line);padding:22px 0}.search-results h2{font-size:20px;margin-bottom:5px}.search-results p{font-size:14px;color:var(--muted);margin:0}.archive-group{display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding:24px 0}.archive-group h2{font-size:22px;margin:0}.archive-group span{font:11px Arial,sans-serif;white-space:nowrap;color:var(--muted)}.contact-form input[type=text],.contact-form input[type=email],.contact-form textarea{display:block;width:100%;padding:13px;border:1px solid #9cb4b5;background:#fff;max-width:100%}.contact-form textarea{min-height:190px}.contact-form dd{margin:7px 0 22px}.contact-form dt{font-weight:bold}.contact-form dt span{font-size:11px;background:var(--accent);color:white;margin-left:15px;padding:3px 8px}.contact-form .notes,.contact-form .agree{font-size:13px;margin:20px 0}.contact-form input[type=submit],.contact-form button{padding:13px 25px;background:var(--ink);color:#fff;border:0;cursor:pointer}.contact-form .error{color:#a1270e}.modaal-content-container{color:var(--text)}[hidden]{display:none!important}
@media(min-width:1500px){.hero{padding-left:calc((100% - 1256px)/2);padding-right:calc((100% - 1256px)/2)}.hero-copy{padding-left:0}.hero-visual{max-width:650px}.hero{grid-template-columns:46% 54%}}
@media(max-width:1150px){.site-header{padding:21px 28px}.site-header>nav:not([hidden]){gap:17px;font-size:12px}.brand-en{font-size:22px}.brand-ja{font-size:10px}.hero{padding:48px 36px 65px;min-height:580px}.hero-actions{gap:15px;flex-wrap:wrap}.article-layout{gap:40px;grid-template-columns:minmax(0,1fr) 220px}.hero h1{font-size:49px}.start-card{grid-template-columns:70px 1fr;gap:14px}.start-card img{width:70px}.start-card h3{font-size:14px}}
@media(max-width:960px){.site-header>nav:not([hidden]){display:none}.menu-toggle{display:flex;gap:15px;align-items:center;background:none;border:1px solid var(--line);padding:8px 13px;font-size:13px;color:var(--ink)}.site-header #mobile-nav:not([hidden]){position:absolute;top:100%;left:0;right:0;background:white;display:grid;gap:0;border-bottom:1px solid var(--line);padding:16px 28px;box-shadow:0 12px 20px #153b4010}.site-header #mobile-nav a{padding:12px}.hero h1{font-size:40px}.hero p{font-size:14px}.hero-copy .eyebrow{font-size:9px}.hero{min-height:560px}.hero-visual{margin-left:20px}.hero-photo{aspect-ratio:1.08}.hero-note{margin-top:24px}.cards{gap:32px 20px}.card h3{font-size:17px}.meta{display:block}.meta span{display:block}.article-layout{display:block}.article-layout aside{display:none}.wrap{width:calc(100% - 64px)}.guide-layout{gap:30px}.guide-layout h2{font-size:25px}.book{gap:30px}.book h2{font-size:26px}.starts{gap:18px}.start-card{display:block}.start-card img{width:100%;height:130px;margin-bottom:15px}}
@media(max-width:640px){.site-header{min-height:85px;padding:18px 20px;gap:12px}.brand-en{font-size:19px}.brand-ja{font-size:8px}.menu-toggle{font-size:11px;gap:9px;padding:7px 9px}.menu-toggle span{font-size:17px}.hero{display:flex;flex-direction:column;padding:32px 24px 43px;gap:33px}.hero-copy{padding:0}.hero-copy .eyebrow{font-size:10px;margin-bottom:20px}.hero h1{font-size:43px;line-height:1.5;margin:12px 0 22px}.hero p{font-size:14px;margin-bottom:20px}.hero-actions{gap:20px;margin-top:22px}.hero-actions .button{font-size:12px;padding:12px 15px}.hero-actions .text-link{font-size:12px}.hero-note{display:none}.hero-visual{margin:0 9px 0 17px;padding:0 0 50px;width:calc(100% - 28px)}.hero-photo{aspect-ratio:1.45;border-radius:2px 2px 60px 2px}.photo-tag{font-size:8px;left:12px;top:12px}.small-photo{width:44%;left:-14px;bottom:0}.small-photo span{font-size:8px}.vertical-note{right:-16px;font-size:8px}.intro-strip{padding:17px 24px;display:block;font-size:10px;text-align:center}.intro-strip span+span{display:none}.wrap{width:calc(100% - 40px)}.section{padding:48px 0 35px}.section-head{gap:16px;margin-bottom:25px}.section-head h2{font-size:25px}.section-head .text-link{font-size:11px;flex:none}.eyebrow{font-size:10px}.starts{gap:13px;display:flex;flex-direction:column}.start-card{display:grid;grid-template-columns:98px 1fr;padding:17px 0 0;gap:19px}.start-card img{width:98px;height:110px;margin:0}.start-card h3{font-size:16px;margin:4px 0}.start-num{font-size:19px}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 15px}.card-photo img{aspect-ratio:1.15}.card-copy{padding-top:12px}.card h3{font-size:14px;line-height:1.8}.card p{font-size:12px}.meta{font-size:10px;margin-bottom:7px}.guide-band{padding:42px 0;margin:20px 0}.guide-layout{display:block}.guide-layout h2{font-size:24px}.guide-layout p{font-size:13px}.guide-links{margin-top:28px;column-gap:9px}.guide-links a{font-size:13px}.guide-count{font-size:8px}.book{display:block;padding-top:35px;padding-bottom:35px}.book>a{display:block;margin-bottom:28px}.book h2{font-size:25px}.greeting{padding-bottom:45px}.greeting summary{font-size:13px}footer{padding:40px 24px 20px}.footer-top{display:block}.footer-links{margin-top:25px;font-size:12px;gap:15px}.footer-bottom{display:block;font-size:10px}.footer-bottom a{display:block;margin-top:15px}.footer-bottom small{font-size:10px}.breadcrumbs{font-size:10px;padding:20px 0;gap:8px}.article-layout{padding-top:12px}.article-header h1{font-size:28px;line-height:1.65}.article-header{padding-bottom:20px;margin-bottom:28px}.article-meta{font-size:11px;gap:18px}.prose{font-size:16px;line-height:2}.prose h2{font-size:22px}.prose h3{font-size:20px}.search-form{padding:20px}.search-form>div{flex-wrap:wrap}.search-form input{width:100%;flex-basis:100%}.search-form button{width:100%}.archive-group h2{font-size:18px}.archive-group span{font-size:10px}.page-title{font-size:34px}.month-links{gap:8px}.month-links a{font-size:12px}.pagination a{padding:4px 11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.book img.book-cover{display:block;width:min(100%,320px);height:auto;max-height:none;object-fit:contain;margin:0 auto;box-shadow:0 12px 30px rgba(21,59,64,.16)}

/* Search-friendly reading guide and historical context */
.experience-note{padding:16px 20px;background:#edf3f2;border-left:3px solid #799b9d;font-size:14px;line-height:1.8;color:#465f63;margin:20px 0 28px}.guide-index{max-width:960px}.guide-lead{font-size:19px;line-height:2}.guide-index p{line-height:2}.guide-jumps{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0}.guide-jumps a{padding:10px 16px;border:1px solid #ccdada}.guide-part{margin:48px 0;scroll-margin-top:100px}.guide-part h2{font-size:26px}.guide-article-links{padding-left:24px}.guide-article-links li{padding:9px 0}.guide-article-links a,.guide-part p a,.article-meta a{text-decoration:underline;text-underline-offset:4px}

/* Month navigation grouped by year */
.year-archives{padding:8px 0 16px}.archive-year{display:grid;grid-template-columns:90px minmax(0,1fr);gap:16px;align-items:start;padding:18px 0;border-bottom:1px solid var(--line)}.archive-year:last-child{border-bottom:0}.archive-year h3{margin:7px 0 0;font-size:16px;line-height:1.7;color:var(--ink);font-weight:700}.archive-year .month-links{padding:0;gap:8px}.archive-year .month-links a{min-width:56px;text-align:center;padding:8px 12px}.archive-year .month-links a:hover{background:#dce8e6}@media(max-width:640px){.archive-year{grid-template-columns:1fr;gap:10px;padding:16px 0}.archive-year h3{margin:0;font-size:16px}.archive-year .month-links a{min-width:54px;padding:9px 12px}}