/* shared course footer, adapted from the previous reading site */
.site-foot{padding:clamp(64px,8vw,108px) 0 30px;position:relative}
.site-foot .foot-grid{display:grid;grid-template-columns:1.35fr .7fr 1fr;gap:clamp(28px,5vw,70px);align-items:start;position:relative;z-index:2}
.site-foot .foot-brand .seal{width:54px;height:76px;font-size:16px;margin-bottom:14px}
.site-foot .foot-brand strong{display:block;font-family:var(--serif);font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:.08em;color:var(--paper);line-height:1.35}
.site-foot .foot-brand p{font-family:var(--sans);font-size:11px;line-height:1.9;color:rgba(246,240,225,.68);margin:10px 0 0;max-width:26em;letter-spacing:.02em}
.site-foot .foot-col h4{font-family:var(--sans);font-size:9px;letter-spacing:.24em;color:var(--gold-l);margin:0 0 12px;font-weight:500}
.site-foot .foot-col a,.site-foot .foot-col p{display:block;font-family:var(--sans);font-size:11px;line-height:2;color:rgba(246,240,225,.78);text-decoration:none;margin:0}
.site-foot .foot-col a:hover{color:var(--paper)}
.site-foot .foot-qrs{display:flex;gap:14px;margin-top:14px}
.site-foot .foot-qrs figure{margin:0;text-align:center}
.site-foot .foot-qr{display:block;width:82px;height:82px;background:#fff center/cover no-repeat;padding:3px;border:1px solid rgba(246,240,225,.16)}
.site-foot .foot-qrs figcaption{font-family:var(--sans);font-size:9px;color:rgba(246,240,225,.55);margin-top:5px;letter-spacing:.08em}
.site-foot .foot-fine{position:relative;z-index:2;margin:34px 0 0;padding-top:14px;border-top:1px solid rgba(246,240,225,.16);font-size:10px;line-height:1.8;color:rgba(246,240,225,.5);letter-spacing:.02em}
.site-foot .foot-bottom{position:relative;z-index:2;display:flex;justify-content:space-between;gap:16px;margin-top:12px;font-family:var(--sans);font-size:9px;color:rgba(246,240,225,.45);letter-spacing:.04em}
@media(max-width:900px){.site-foot .foot-grid{grid-template-columns:1.2fr 1fr}.site-foot .foot-brand{grid-column:1/-1}.site-foot .foot-brand p{max-width:36em}}
@media(max-width:600px){.site-foot{padding-top:52px}.site-foot .foot-grid{grid-template-columns:1fr;gap:26px}.site-foot .foot-bottom{flex-direction:column;gap:5px}.site-foot .foot-qrs{margin-top:10px}.site-foot .foot-qr{width:74px;height:74px}}
.site-foot{padding-bottom:96px}
@media(max-width:600px){.site-foot{padding-bottom:82px}}
.site-foot .foot-brand strong .brand-sep{color:var(--gold-l);font-weight:400;margin:0 .16em}
.site-foot .foot-bottom a{color:rgba(246,240,225,.6);text-decoration:none;border-bottom:1px solid rgba(246,240,225,.22)}
.site-foot .foot-bottom a:hover{color:var(--paper)}
.brand-brand{font-weight:400;font-size:10px;letter-spacing:.12em;color:var(--ink-3);margin-left:6px}
.faq-sec{background:linear-gradient(180deg,var(--paper),var(--paper-2))}
.faq-head{max-width:760px;margin-bottom:clamp(28px,4vw,48px)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(24px,4vw,64px);border-top:1px solid rgba(42,38,34,.18)}
.faq-grid details{border-bottom:1px solid rgba(42,38,34,.16);padding:16px 0}
.faq-grid summary{cursor:pointer;list-style:none;font-family:var(--serif);font-size:18px;font-weight:700;line-height:1.55;display:flex;gap:12px;align-items:baseline}
.faq-grid summary::-webkit-details-marker{display:none}
.faq-grid summary:after{content:"＋";margin-left:auto;font-family:var(--sans);font-size:12px;color:var(--zhusha);font-weight:400}
.faq-grid details[open] summary:after{content:"－"}
.faq-grid summary:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--zhusha);flex:none;transform:translateY(-2px)}
.faq-grid details p{font-size:14px;line-height:1.9;color:var(--ink-2);margin:10px 0 0 18px}
@media(max-width:700px){.faq-grid{grid-template-columns:1fr}.faq-grid summary{font-size:16px}.faq-grid details p{font-size:13px}}

/* Footer completion: full-bleed ink block with aligned content */
.site-foot{background:#211F1C!important;color:#F6F0E1!important;padding-top:clamp(52px,7vw,86px)!important}
.site-foot>.wrap{max-width:1280px;margin:0 auto;padding-left:clamp(22px,5vw,72px);padding-right:clamp(22px,5vw,72px)}
.site-foot .foot-grid{grid-template-columns:1.45fr .7fr 1fr;gap:clamp(30px,5vw,72px);align-items:start}
.site-foot .foot-brand strong{color:#F6F0E1;font-size:clamp(26px,3.4vw,38px);letter-spacing:.06em}
.site-foot .foot-brand strong .brand-sep{color:#B9A16D}
.site-foot .foot-brand p,.site-foot .foot-col a,.site-foot .foot-col p{color:rgba(246,240,225,.7)}
.site-foot .foot-col h4{color:#C7B27E;font-size:10px;letter-spacing:.26em}
.site-foot .foot-qr{border-color:rgba(246,240,225,.28)}
.site-foot .foot-fine{border-top-color:rgba(246,240,225,.18);color:rgba(246,240,225,.55);line-height:1.9}
.site-foot .foot-bottom{color:rgba(246,240,225,.42)}
.site-foot .foot-bottom a{color:rgba(246,240,225,.62)}
@media(max-width:900px){.site-foot .foot-grid{grid-template-columns:1.2fr 1fr}.site-foot .foot-brand{grid-column:1/-1}}
@media(max-width:600px){.site-foot>.wrap{padding-left:22px;padding-right:22px}.site-foot .foot-grid{grid-template-columns:1fr;gap:28px}}

/* Chapter end navigation */
.lp-end{border-top:1px solid rgba(42,38,34,.16);padding:clamp(34px,5vw,58px) 0 clamp(38px,5vw,64px)}
.lp-end-in{max-width:1120px;margin:0 auto;padding:0 var(--gut,clamp(22px,5vw,72px))}
.lp-end-k{font-family:var(--sans);font-size:10px;letter-spacing:.24em;color:var(--zhusha);margin:0 0 18px}
.lp-end-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:end}
.lp-end-item{display:block;min-width:0;text-decoration:none;color:var(--ink);border-bottom:1px solid transparent;padding-bottom:10px}
.lp-end-item small{display:block;font-family:var(--sans);font-size:9px;letter-spacing:.18em;color:var(--ink-3);margin-bottom:5px}
.lp-end-item b{display:block;font-family:var(--serif);font-size:clamp(15px,1.6vw,20px);line-height:1.5;font-weight:600}
.lp-end-item:hover{border-bottom-color:rgba(178,58,46,.45)}
.lp-end-home{font-family:var(--sans);font-size:10px;letter-spacing:.14em;color:var(--zhusha);text-decoration:none;white-space:nowrap;padding-bottom:10px}
.lp-end-item.is-off{opacity:.4;pointer-events:none}
.lp-end-item.next{text-align:right}
@media(max-width:700px){.lp-end-grid{grid-template-columns:1fr;gap:18px}.lp-end-home{order:-1}.lp-end-item.next{text-align:left}}
.lp-end{display:block!important}

/* Page-level FAQ */
.page-faq{max-width:1080px;margin:0 auto;padding:clamp(30px,4vw,48px) var(--gut) 0}
.page-faq h2{font-family:var(--serif);font-size:clamp(24px,3vw,34px);line-height:1.3;margin:0 0 16px;font-weight:700}
.page-faq details{border-top:1px solid rgba(42,38,34,.16);padding:14px 0}
.page-faq details:last-child{border-bottom:1px solid rgba(42,38,34,.16)}
.page-faq summary{cursor:pointer;list-style:none;font-family:var(--serif);font-size:17px;font-weight:600;line-height:1.6;display:flex;gap:10px}
.page-faq summary::-webkit-details-marker{display:none}
.page-faq summary:after{content:"＋";margin-left:auto;font-family:var(--sans);font-size:11px;color:var(--zhusha)}
.page-faq details[open] summary:after{content:"－"}
.page-faq p{font-family:var(--sans);font-size:13px;line-height:1.9;color:var(--ink-2);margin:8px 0 0 16px}
@media(max-width:600px){.page-faq{padding-left:20px;padding-right:20px}.page-faq summary{font-size:16px}}