:root{--ink: #000;--muted: rgba(0, 0, 0, .4);--bg: #ffffff;--maxw: 1040px;--gutter: clamp(20px, 5vw, 200px);--en: "Marcellus", serif;--mincho: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Noto Serif JP", serif}*,*:before,*:after{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--ink);font-family:var(--mincho);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;padding-top:88px}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}p{margin:0}.container{width:min(var(--maxw),100% - 40px);margin-inline:auto}.page{flex:1 0 auto;display:flex;flex-direction:column;align-items:center;gap:clamp(56px,8vw,80px);padding-block:clamp(56px,8vw,80px)}.site-header,.site-footer{flex:0 0 auto}.site-header{position:fixed;top:0;left:0;right:0;z-index:50;background:#fffffffa;display:flex;align-items:center;justify-content:space-between;height:88px;padding-inline:clamp(20px,4vw,40px)}.brand{flex:0 0 auto}.brand img{width:40px;height:40px}.nav{display:flex;gap:40px;font-family:var(--en);font-size:16px;line-height:1.4}.nav a:hover{opacity:.55}.lang{display:flex;align-items:center;gap:8px;font-family:var(--en);font-size:16px;line-height:1.4}.lang-link{font-family:var(--en)}.lang-link:hover{opacity:.55}.lang-link.active{opacity:.35;pointer-events:none;cursor:default}.lang-sep{color:var(--muted)}.menu-btn{display:none;flex-direction:column;gap:5px;width:28px;background:none;border:0;padding:6px 0;cursor:pointer}.menu-btn span{height:1.5px;background:var(--ink);width:100%;transition:.25s}.hero{display:flex;flex-direction:column;gap:48px}.lockup{display:flex;align-items:flex-end;gap:20px}.lockup img{width:208px;height:45px}.lockup .reading{font-family:var(--mincho);font-weight:400;font-size:20px;line-height:1.2}.concept{font-family:var(--mincho);font-weight:400;font-size:15px;line-height:2;letter-spacing:1.2px;text-align:justify;font-feature-settings:"palt" 1}.mission{display:flex;flex-direction:column;gap:48px}.mission-body{display:flex;flex-direction:column;gap:40px}.mission-title{margin:0;font-family:var(--mincho);font-weight:600;font-size:26px;line-height:32px;letter-spacing:1.04px;text-align:left;font-feature-settings:"palt" 1}.mission-text{display:flex;flex-direction:column;gap:24px}.mission-text p{font-family:var(--mincho);font-weight:400;font-size:15px;line-height:2;letter-spacing:1.2px;text-align:justify;font-feature-settings:"palt" 1}.more a{font-family:var(--en);font-size:16px;letter-spacing:.32px;text-decoration:underline;text-underline-offset:3px}.more a:hover{opacity:.55}.site-footer{display:flex;align-items:center;justify-content:center;height:88px;font-family:var(--en);font-size:12px;letter-spacing:1.2px;color:var(--muted)}@media (max-width: 920px){.nav,.lang{display:none}.menu-btn{display:flex;position:relative;z-index:101}.site-header.open .menu-btn span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}.site-header.open .menu-btn span:nth-child(2){opacity:0}.site-header.open .menu-btn span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}.drawer{position:fixed;inset:0;z-index:40;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:44px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .28s ease,visibility 0s linear .28s;font-family:var(--en)}.site-header.open+.drawer{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .28s ease,visibility 0s linear 0s}.drawer a{font-size:18px;letter-spacing:.02em}.drawer a:hover{opacity:.55}.drawer .lang-inline{display:flex;align-items:center;gap:8px;margin-top:24px;font-size:18px;letter-spacing:.12em}.drawer .caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid var(--ink)}body:has(.site-header.open){overflow:hidden}}@media (min-width: 921px){.drawer{display:none}}@media (max-width: 560px){.lockup{align-items:flex-end;gap:16px}.mission-title{font-size:21px;line-height:1.5;letter-spacing:.04em}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.page-title{margin:0;font-family:var(--mincho);font-weight:600;font-size:26px;line-height:32px;letter-spacing:1.04px;text-align:left;font-feature-settings:"palt" 1}.sub-title{margin:0;font-family:var(--mincho);font-weight:600;font-size:20px;line-height:1.6;letter-spacing:.06em;font-feature-settings:"palt" 1}.body-text,.body-text>p{font-family:var(--mincho);font-weight:400;font-size:15px;line-height:2;letter-spacing:1.2px;text-align:justify;font-feature-settings:"palt" 1}.body-text{display:flex;flex-direction:column;gap:24px}.lead{font-family:var(--mincho);font-weight:400;font-size:15px;line-height:2;letter-spacing:1.2px;text-align:justify;font-feature-settings:"palt" 1}.view-more{margin:8px 0 0;text-align:center}.view-more a{font-family:var(--en);font-size:16px;letter-spacing:.32px;text-decoration:underline;text-underline-offset:3px}.view-more a:hover,.more a:hover{opacity:.55}.about{display:flex;flex-direction:column;gap:120px}.about-block{display:flex;flex-direction:column;gap:20px}.ref-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.ref-list li{font-family:var(--mincho);font-weight:400;font-size:13px;line-height:1.6;letter-spacing:.04em;color:#000c}.card-list{display:flex;flex-direction:column;gap:40px;width:100%}.card{display:flex;gap:40px;align-items:flex-start;justify-content:space-between}.card-body{flex:1;display:flex;flex-direction:column;gap:14px;padding-top:10px}.card-title{font-family:var(--mincho);font-weight:600;font-size:20px;line-height:1.5;letter-spacing:.04em}.card-desc{font-family:var(--mincho);font-weight:400;font-size:15px;line-height:1.95;letter-spacing:.06em;text-align:justify;color:#000000d9}.thumb{flex:0 0 auto;width:220px;height:120px;border-radius:4px;background:#e9ebee;overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover;display:block}.note-line{font-family:var(--mincho);font-size:14px;letter-spacing:.06em;color:#000000b3}.news-list{display:flex;flex-direction:column;width:100%}.news-item{display:flex;flex-direction:column;gap:12px;padding:0 0 80px}.news-item:last-child{padding-bottom:0}.news-date{font-family:var(--mincho);font-weight:400;font-size:12px;letter-spacing:.24px;color:#000000bf}.news-body{display:flex;flex-direction:column;gap:8px}.news-title{font-family:var(--mincho);font-weight:600;font-size:20px;line-height:1.5;letter-spacing:.4px}.news-summary{font-family:var(--mincho);font-weight:400;font-size:13px;line-height:1.8;letter-spacing:1.04px;color:#000c;font-feature-settings:"palt" 1}.info-table{display:flex;flex-direction:column;gap:28px;max-width:640px;margin:0 auto;width:100%}.info-row{display:flex;gap:40px}.info-row dt{flex:0 0 120px;margin:0;font-family:var(--mincho);font-weight:600;font-size:15px;letter-spacing:.08em}.info-row dd{margin:0;font-family:var(--mincho);font-size:15px;line-height:1.9;letter-spacing:.06em}.book-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;width:100%}.book{aspect-ratio:1 / 1;background:#ededed;border-radius:2px}.post-list{display:flex;flex-direction:column;width:100%;margin-top:8px}.post{border-top:1px solid rgba(0,0,0,.12)}.post:last-of-type{border-bottom:1px solid rgba(0,0,0,.12)}.post>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px 0}.post>summary::-webkit-details-marker{display:none}.post-headings{display:flex;flex-direction:column;gap:14px}.post-title{font-family:var(--mincho);font-weight:600;font-size:18px;line-height:1.6;letter-spacing:.36px;font-feature-settings:"palt" 1}.post-date{font-family:var(--mincho);font-weight:400;font-size:13px;line-height:1.8;letter-spacing:1.04px;color:#000000bf}.post-caret{flex:0 0 auto;width:13px;height:13px;border-right:1.5px solid rgba(0,0,0,.55);border-bottom:1.5px solid rgba(0,0,0,.55);transform:rotate(45deg);transition:transform .25s;margin-bottom:5px}.post[open] .post-caret{transform:rotate(-135deg);margin-bottom:-5px}.post-body{padding:0 0 36px;display:flex;flex-direction:column;gap:16px;font-family:var(--mincho);font-weight:400;font-size:15px;line-height:1.8;letter-spacing:1.2px;text-align:justify;color:#000000e0;font-feature-settings:"palt" 1}.form{max-width:480px;margin-inline:auto;width:100%;display:flex;flex-direction:column;gap:24px}.field{display:flex;flex-direction:column;gap:10px}.field label{font-family:var(--mincho);font-size:14px;letter-spacing:.06em}.field input,.field textarea{font-family:var(--mincho);font-size:15px;padding:12px 14px;border:1px solid rgba(0,0,0,.25);border-radius:4px;background:#fff;width:100%}.field textarea{min-height:200px;resize:vertical}.form .submit{align-self:flex-start;font-family:var(--mincho);font-size:15px;letter-spacing:.1em;padding:12px 44px;border:1px solid var(--ink);background:var(--ink);color:#fff;border-radius:4px;cursor:pointer}.form-note{font-family:var(--mincho);font-size:13px;color:#0000008c;letter-spacing:.04em}.thanks{display:flex;flex-direction:column;align-items:center;gap:24px;text-align:center;padding-block:40px}.thanks p{font-family:var(--mincho);font-size:15px;letter-spacing:.06em}.thanks a{font-family:var(--en);font-size:15px;text-decoration:underline;text-underline-offset:3px}@media (max-width: 720px){.card{flex-direction:column-reverse;gap:16px}.thumb{width:100%;height:200px}.book-grid{grid-template-columns:repeat(2,1fr);gap:14px}.info-row{flex-direction:column;gap:6px}.info-row dt{flex-basis:auto}.post-head{flex-direction:column;gap:6px}}@media (max-width: 767px){.concept,.lead,.body-text,.body-text>p,.mission-text p,.card-desc{font-size:14px;letter-spacing:normal}.news-summary,.post-body,.ref-list li{letter-spacing:normal}.post-body{font-size:14px}.mission-title,.page-title,.sub-title{font-size:21px;line-height:1.6;letter-spacing:normal}.card-title,.news-title,.post-title{font-size:18px;letter-spacing:normal}.lockup img{width:160px;height:35px}.lockup .reading{font-size:16px}.about{gap:80px}}