[hidden]{display:none!important}header{border-bottom:1px solid #d6dfce;padding:19px 0}.hero{grid-template-columns:1fr 180px;padding:28px 0;gap:30px}.hero img{width:180px;height:180px}.hero h1{font-size:36px;line-height:1.35;margin:13px 0}.hero .eyebrow{display:none}.hero #intro{font-size:15px;max-width:630px}.hero .price{font-size:26px;margin:12px 0}.hero #edition-note{max-width:700px;line-height:1.8;margin-bottom:0}.choose{background:#f0f3e7;border:1px solid #d6dfce;border-radius:18px;padding:20px 23px;gap:14px;margin:0 0 15px}.choose>label,legend{font-weight:650;font-size:14px;color:#314f3d}.choose fieldset{gap:10px}.choose legend{margin-bottom:8px}.choose fieldset label{padding:8px 12px;border:1px solid #cbd7bf;border-radius:11px;background:#fffef9;font-size:14px}.choose fieldset label:has(input:checked){border-color:#37694d;background:#e4edda;box-shadow:inset 0 0 0 1px #37694d}.choose input{accent-color:#37694d}.notice{font-size:13px;border-radius:9px;background:transparent;padding:5px 0 12px;color:#6d765f}.books{gap:18px;padding:0}.book{border-radius:17px}.cover{height:210px;padding:17px}.copy{padding:19px}.book h2{font-size:19px;margin-top:12px}.book .price{font-size:24px}.book p{font-size:13px}.book .muted{font-size:12px}.book button:disabled{font-size:13px;padding:10px;color:#5e6e58;background:#eef0e6;cursor:default}.how{padding:20px 24px;background:#f0eee5;border-radius:15px;margin:28px 0}.how summary{font-weight:650;cursor:pointer;font-size:16px}.how ol{font-size:14px;padding-left:22px}.how p{line-height:1.85}.how summary:focus-visible{outline:3px solid #ba7739;outline-offset:5px}footer{margin-top:30px}
@media(max-width:800px){.hero h1{font-size:32px}.choose fieldset{width:100%;margin-left:0}.books{grid-template-columns:repeat(2,minmax(0,1fr))}.choose{padding:18px}header{flex-wrap:wrap;gap:12px}header nav{font-size:13px}}
@media(max-width:510px){.hero{display:block;padding:20px 0}.hero h1{font-size:29px;padding-right:82px;min-height:76px}.hero img{width:95px;height:95px;top:18px}.hero #intro{font-size:13px;line-height:1.8}.hero .price{font-size:25px}.hero #edition-note{font-size:12px}.choose{gap:10px;padding:16px}.choose>label,legend{font-size:13px}.choose select{padding:7px 10px;font-size:14px;flex:1}.choose fieldset{gap:8px;flex-wrap:wrap}.choose fieldset label{font-size:13px;padding:8px}.notice{font-size:12px}.books{grid-template-columns:1fr;gap:12px}.book{display:grid;grid-template-columns:92px minmax(0,1fr)}.cover{height:auto;min-height:190px;padding:10px;align-items:center;background:#eef0e3}.cover img{width:72px;height:auto;max-height:155px}.copy{padding:14px}.badge{font-size:10px;padding:4px 6px}.book h2{font-size:16px;margin:8px 0}.book .muted{display:none}.book p{font-size:12px;margin:6px 0}.book .price{font-size:22px}.book button:disabled{font-size:12px;margin-top:6px;padding:9px}.book a.button{font-size:13px;padding:10px;margin-top:6px}.how{padding:18px}.how summary{font-size:14px}header .brand{font-size:18px}header nav{margin-left:auto;gap:10px}.hero .price span{font-size:12px}}
