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p{color:#8b9893;margin:0;font-size:10px;line-height:1.8}.faq-section{padding:140px 0 110px}.faq-section>p{color:var(--mint);letter-spacing:.15em;margin:0 0 8px;font-family:ui-monospace,monospace;font-size:10px}.faq-section>h2{margin:0 0 34px;font-family:Yu Mincho,Georgia,serif;font-size:32px}.faq-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.faq-grid details{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:0 19px}.faq-grid summary{cursor:pointer;color:#dfe4e2;padding:19px 0;font-size:12px;font-weight:650}.faq-grid details p{color:var(--muted);margin:-3px 0 19px;font-size:11px;line-height:1.8}footer{border-top:1px solid var(--line);background:var(--bg-deep);grid-template-columns:1fr 2fr auto;align-items:center;gap:50px;padding:45px 5vw;display:grid}.footer-brand small{color:#6f7c77;font-family:var(--font-geist-sans), "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;letter-spacing:.06em;margin-top:3px;font-size:8px;font-weight:500;display:block}.footer-brand strong{font-family:var(--font-geist-sans), "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;letter-spacing:-.03em;font-size:18px;font-weight:720}footer>p{color:#74817c;margin:0;font-size:9px;line-height:1.8}footer>span{color:#5e6a65;white-space:nowrap;font-size:9px}.back-to-top{z-index:80;color:#eaf7f4;opacity:0;visibility:hidden;pointer-events:none;background:#0d3328f5;border:1px solid #58c1b38c;border-radius:50%;justify-content:center;align-items:center;width:48px;min-width:48px;height:48px;padding:0;font-size:12px;font-weight:700;text-decoration:none;transition:opacity .18s,transform .18s,visibility .18s;display:inline-flex;position:fixed;bottom:24px;right:24px;transform:translateY(12px);box-shadow:0 8px 24px #0000003d}.back-to-top>span{color:var(--mint);font-size:24px;line-height:1;transform:translateY(-1px)}.back-to-top.is-visible{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.back-to-top:hover{border-color:var(--mint);background:#164c3d}@media (max-width:850px){.top-stage{grid-template-columns:1fr;gap:62px;width:min(680px,90vw);min-height:auto;padding:32px 0 29px}.hero{max-width:620px}.drop-zone{min-height:470px}.book-card{grid-template-columns:150px minmax(0,1fr);gap:18px}.book-cover-wrap{aspect-ratio:auto;width:150px;height:220px}.book-cover-wrap img{height:198px}.dummy-book-cover{width:124px;height:198px}.detail-frame,.eink-layout{grid-template-columns:1fr}.detail-cover-column{border-bottom:1px solid #e7e9ea;border-right:0;padding-bottom:30px}.detail-frame{gap:32px}.eink-copy{padding:42px}footer{grid-template-columns:1fr;gap:20px}}@media (max-width:620px){.site-header{min-height:62px;padding:0 4vw}.brand-mark{border-radius:8px 8px 8px 3px;width:28px;height:28px;font-size:18px}.privacy-badge{display:none}.beta-badge{border-radius:8px;min-height:34px;padding:0 12px;font-size:9px}.top-stage{gap:42px;width:92vw;padding:23px 0 24px}.hero{padding:0}.hero h1{font-size:clamp(42px,13vw,58px);line-height:1.28}.eyebrow{letter-spacing:.1em;gap:9px;margin-bottom:24px;font-size:10px}.hero-beta{min-height:24px;padding:0 8px;font-size:9px}.hero-copy{margin-top:28px;font-size:13px;line-height:1.95}.drop-zone{min-height:390px;padding:42px 18px}.drop-zone h2{font-size:24px}.upload-illustration{width:118px;height:118px;margin-bottom:22px}.upload-choose{min-width:190px;min-height:56px;padding:0 22px;font-size:16px}.upload-help{margin-top:17px;font-size:12px}.check-card{grid-template-columns:1fr}.section-nav{border-left:0;border-right:0;border-radius:0;justify-content:flex-start;width:100%;margin-top:17px;top:62px;overflow-x:auto}.section-nav a{white-space:nowrap;padding:12px 14px}.preview-section{padding-top:90px}.section-heading{grid-template-columns:34px 1fr;gap:12px}.section-heading>div:first-child span{width:32px;height:32px}.section-heading>div>span{font-size:11px;line-height:1.7;display:block}.result-summary{min-height:48px;padding:0 15px}.result-summary strong{font-size:13px}.book-grid{padding:0 15px 18px}.book-card{grid-template-columns:1fr;align-items:start;gap:18px;min-height:0;padding:20px 0}.book-card--yours{margin-left:-6px;margin-right:-6px;padding-left:6px;padding-right:6px}.book-cover-wrap{aspect-ratio:4/5;width:100%;height:auto}.book-cover-wrap img,.placeholder-cover--compact{width:auto;max-width:min(270px,58%);height:min(380px,70vw)}.dummy-book-cover{width:min(238px,43.75vw);height:min(380px,70vw)}.dummy-book-cover strong{font-size:18px}.book-info h3{margin-top:4px;font-size:20px;line-height:1.45}.result-price{color:#b12704;margin-top:6px;font-size:26px;display:block}.result-action{width:min(210px,50%);margin-top:17px}.result-action>span{font-size:13.2px;font-weight:400;color:#0f1111!important}.result-action button{min-height:46px;font-size:14px}.book-card--yours .your-badge{top:-11px}.detail-frame{min-height:auto;padding:24px 17px 34px}.detail-cover{height:390px}.detail-copy h2{font-size:24px}.device-stage{padding:45px 27px}.eink-copy{padding:32px 24px}.faq-grid{grid-template-columns:1fr}.faq-section{padding:100px 0 80px}footer{padding:36px 5vw}.back-to-top{width:44px;min-width:44px;height:44px;padding:0;bottom:16px;right:16px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}