@charset "UTF-8";
:root{--ink:#223a37;--muted:#4d5d53;--paper:#fffdf4;--cream:#f2edde;--line:#b9bfa9;--green:#274c42;--green-deep:#183a30;--red:#8e2f35;--yellow:#f6dc6f;--serif:'Hiragino Mincho ProN','Yu Mincho','Noto Serif JP',serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'Hiragino Kaku Gothic ProN','Yu Gothic','Noto Sans JP',sans-serif;background-color:var(--cream);background-image:linear-gradient(#74866b0f 1px,transparent 1px),linear-gradient(90deg,#74866b0f 1px,transparent 1px);background-size:18px 18px;font-size:16px;line-height:1.85;overflow-wrap:break-word}
img{max-width:100%}
button,input,select{font:inherit}
a{color:inherit}
button{cursor:pointer}
button,a,input,select{touch-action:manipulation}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #b44e31;outline-offset:3px}
[hidden]{display:none!important}
#main:focus{outline:none}
h1,h2,h3,p{margin:0}
h1{font-family:var(--serif);font-size:40px;line-height:1.5;letter-spacing:.035em;margin:12px 0}
h1 em{font-style:normal;color:var(--red);background:linear-gradient(transparent 78%,#f2dcaa 78%)}
.wrap{max-width:1140px;margin:auto;padding:0 28px}
.skip{position:absolute;top:-99px;left:0;z-index:30;background:var(--paper);padding:12px 16px}.skip:focus{top:0}
.topline{background:var(--green);color:#f6f4dc;padding:8px max(28px,calc((100vw - 1084px)/2));display:flex;justify-content:space-between;gap:12px;font-size:13px;letter-spacing:.06em}
.masthead{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:26px;padding-bottom:24px}
.brand{display:flex;align-items:center;gap:14px;min-height:44px;text-decoration:none}
.brand-icon{display:grid;place-items:center;flex-shrink:0;width:54px;height:54px;border:2px solid var(--green);border-radius:50%;font-family:var(--serif);font-size:30px;color:var(--green);transform:rotate(-9deg)}
.brand strong{display:block;font-family:var(--serif);font-size:38px;line-height:1.2;letter-spacing:.12em}
.brand small{display:block;font-size:12px;letter-spacing:.08em;margin-top:6px;color:var(--muted)}
.header-note{font-size:15px;text-align:right;letter-spacing:.06em}.header-note small{font-size:13px;color:var(--muted)}
.nav{border-top:1px solid var(--green);border-bottom:3px double var(--green);background:#fffdf4}
.nav-inner{display:flex;justify-content:space-between}
.nav a{min-height:52px;display:flex;align-items:center;justify-content:center;gap:9px;text-decoration:none;padding:8px 16px;font-size:14px;font-weight:700;letter-spacing:.04em;white-space:nowrap}
.nav a:hover{background:#e6ecda}
.nav a[aria-current=page]{color:var(--red);box-shadow:inset 0 -3px 0 var(--red)}
.nav a span{font-size:12px;font-weight:400;border:1px solid var(--line);background:var(--paper);padding:0 6px;border-radius:3px}
.ticker{display:flex;align-items:center;gap:12px;padding:16px 0;font-size:14px}
.new{flex-shrink:0;font-weight:800;color:var(--red);font-size:12px;border:1px solid var(--red);padding:0 7px;transform:rotate(-5deg)}
.ticker-star{margin-left:auto;color:var(--red)}
.paper{background:var(--paper);border:1px solid var(--line);box-shadow:3px 3px 0 #d7dcca}
.eyebrow{display:block;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--muted)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:18px}
.hero{display:grid;grid-template-columns:minmax(0,1fr) 240px;column-gap:28px;align-content:start;position:relative;overflow:hidden;padding:32px 32px 0;background-image:radial-gradient(#4d705a14 .8px,transparent .8px);background-size:6px 6px}
.hero>*{grid-column:1}
.hero>.hero-art{grid-column:2;grid-row:1/6;align-self:center;padding-bottom:20px}
.hero>.hero-bottom{grid-column:1/-1}
.hero>.btn{justify-self:start}
.hero h1{font-size:42px}
.hero>.eyebrow{font-size:13px}
.hero p{font-size:16px;line-height:1.95;margin:4px 0 22px}
.hero-note{display:block;color:var(--muted);font-size:13px;margin:12px 0 26px}
.hero-art{min-width:0}
.header-picture{display:block;width:100%;min-height:44px;padding:0;border:0;background:none;cursor:zoom-in}
.header-picture img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:4px;background:var(--paper);box-shadow:4px 4px 0 #d7dcca}
.hero-bottom{margin:0 -32px;border-top:1px dashed #a1ad96;padding:10px 20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 12px;font-size:13px;background:#eceddfaa}
.hero-bottom span:last-child{font-size:12px;letter-spacing:.08em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:48px;border:1px solid var(--green);padding:10px 20px;text-decoration:none;font-size:15px;font-weight:700;line-height:1.5;text-align:center;border-radius:3px}
.primary{background:var(--green);color:#fffef2;box-shadow:2px 2px 0 #acb4a0}.primary:hover{background:var(--green-deep)}
.secondary{background:var(--paper);color:var(--green)}.secondary:hover{background:#edf0e3}
.btn:disabled{opacity:.5;cursor:not-allowed}
.counter{text-align:center;padding:24px 18px;background:#e8eedb}
.panel-label{font-size:15px;letter-spacing:.06em;margin-bottom:12px}
.digits{display:flex;gap:3px;justify-content:center}
.digit{font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:28px;line-height:46px;width:33px;text-align:center;background:#243c32;color:#eef1cc;border:1px solid #18271e;border-radius:2px;box-shadow:inset 0 -23px 0 #20392e;position:relative}
.digit:after{content:"";position:absolute;left:0;right:0;top:50%;border-top:1px solid #81927355}
.counter-person{font-size:15px;margin:10px 0 18px}
.counter-line{border-top:1px dashed #91a080;margin:0 12px 16px}
.counter-hint{font-size:14px;line-height:1.9;margin-bottom:16px}.counter-hint b{color:var(--red);letter-spacing:.12em}
.counter .btn{width:100%;max-width:320px;font-size:14px;gap:10px}
.counter small{display:block;font-size:12px;line-height:1.7;margin-top:14px;color:#47603f}
.intro-row{display:grid;grid-template-columns:1.35fr 1fr;gap:18px;margin:22px 0 36px}
.notice{padding:18px 22px}
.notice h2{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 8px;font-size:16px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.tiny-label{margin-left:auto;color:var(--muted);font-size:12px;font-weight:400}
.notice-item{display:flex;gap:14px;margin-top:10px;padding-bottom:10px;border-bottom:1px dotted var(--line);font-size:14px;line-height:1.7}
.notice-item:last-child{border-bottom:0;padding-bottom:0}
.notice time{font-family:ui-monospace,monospace;font-size:13px;color:var(--muted);white-space:nowrap}
.red{color:var(--red);font-size:12px;border:1px solid #d3a4a0;padding:0 5px;margin-right:6px}
.book-teaser{display:flex;align-items:center;gap:20px;min-height:44px;text-decoration:none;padding:20px 24px;background:#f7f0dc}.book-teaser:hover{background:#fff5d9}
.book-teaser>div{min-width:0;flex:1}
.stamp-preview{display:grid;place-items:center;flex-shrink:0;width:72px;height:72px;border:3px double #a8473a;border-radius:50%;transform:rotate(-15deg);color:#a8473a;font-family:var(--serif);font-size:14px;font-weight:700;line-height:1.2;text-align:center}
.book-teaser h2{font-family:var(--serif);font-size:23px;letter-spacing:.04em;margin:2px 0 6px}.book-teaser h2 span{margin-left:10px;font-size:18px}
.book-teaser p{font-size:14px}.book-teaser p b{font-size:20px;color:var(--red)}
progress{appearance:none;width:100%;height:8px;display:block;margin-top:10px;border:0;background:#d7d9c8}progress::-webkit-progress-bar{background:#d7d9c8}progress::-webkit-progress-value{background:var(--red)}progress::-moz-progress-bar{background:var(--red)}
.shelf{margin-bottom:40px}
.section-heading{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:6px 16px;border-bottom:3px double #788571;margin-bottom:18px;padding-bottom:12px}
.section-heading h2{font-family:var(--serif);font-size:26px;letter-spacing:.07em;margin-top:2px}
.shelf-note{font-size:13px;color:var(--muted)}
.products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.product{display:flex;flex-direction:column;overflow:hidden}
.product-art{height:232px;padding:38px 14px 30px;position:relative;display:grid;place-items:center;border-bottom:1px solid var(--line)}
.art-lock{background:#e3eadb}.art-note{background:#efe7d6}.art-box{background:#e4e9e0}
.product-tag{position:absolute;left:12px;top:12px;z-index:1;background:var(--paper);padding:2px 9px;font-size:12px;line-height:1.6;border:1px solid #a9b296}
.art-id{position:absolute;right:10px;bottom:8px;font-size:11px;font-family:ui-monospace,monospace;letter-spacing:.06em;color:var(--muted)}
.product-art>img{width:100%;height:100%;object-fit:contain}
.product-copy{display:flex;flex-direction:column;flex:1;padding:16px 18px 0}
.category{font-size:12px;color:var(--muted)}
.product h3{font-family:var(--serif);font-size:19px;letter-spacing:.04em;margin:4px 0 6px}
.product p{font-size:14px;color:var(--muted)}
.price{font-family:var(--serif);font-size:24px;font-weight:700;margin:10px 0 12px}.price small{font-family:inherit;font-size:12px;font-weight:400;color:var(--muted);margin-left:8px}
.product-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;margin-top:auto;border-top:1px dashed var(--line);text-decoration:none;font-size:14px;font-weight:700;color:var(--green)}.product-link:hover{color:var(--red)}
.footer{border-top:3px double #9ca58f;padding-top:24px;padding-bottom:28px;font-size:14px}
.footer>div:first-child{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 18px}
.footer b{font-family:var(--serif);font-size:20px;letter-spacing:.1em}
.footer span,.footer p{color:var(--muted)}
.footer-links{display:flex;flex-wrap:wrap;gap:0 22px;margin:8px 0}.footer-links a{display:flex;align-items:center;min-height:44px}
.footer p{font-size:13px;line-height:1.7}
.site-credit{display:inline-flex;align-items:center;min-height:44px;text-decoration:none;color:inherit}.site-credit:hover{text-decoration:underline}
.back-link{display:inline-flex;align-items:center;min-height:44px;padding:8px 0;margin-top:6px;font-size:15px}
#book-view{max-width:900px;margin-left:auto;margin-right:auto}
.page-title{margin:10px 0 26px}.page-title h1{margin:4px 0;font-size:36px}.page-title p{color:var(--muted);font-size:16px}
.text-button{display:inline-flex;align-items:center;border:0;background:none;text-decoration:underline;text-underline-offset:4px;color:var(--muted);min-height:44px;padding:8px;font-size:14px}
.point-card{margin-bottom:40px;padding:28px;background:#fffbed;border:1px solid #8c9b7c;border-radius:8px;box-shadow:4px 4px 0 #ced4c0}
.card-heading{text-align:center;border-bottom:2px dashed #b6bc9f;padding-bottom:20px;margin-bottom:22px}
.card-heading h2{font-family:var(--serif);font-size:26px;letter-spacing:.06em;margin:5px 0}
.card-heading>span:last-child{font-size:13px;color:var(--muted)}
.achievement-search{margin:0 0 22px}
.achievement-search label{display:block;font-size:15px;font-weight:700;margin-bottom:8px}
.search-controls{display:flex;align-items:center;gap:8px}
.search-controls input{min-width:0;flex:1;min-height:48px;border:1px solid #8f9c84;background:#fffef9;padding:9px 12px;font-size:16px;border-radius:2px;color:var(--ink)}
.search-controls .btn{min-width:68px;padding:10px 14px}
.search-results{border:1px solid #b9c1aa;background:#fffef8;padding:18px;margin-bottom:24px}
.search-results>h3{font-size:15px}
.search-record{padding:13px 0;border-bottom:1px dashed #c3c9b5}.search-record:last-child{border-bottom:0}
.search-record h4{font-size:15px;margin:0 0 5px}.search-record p{font-size:14px}.search-record small{color:var(--muted);font-size:12px}
.point-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.point-cell{min-width:0;aspect-ratio:1.15;display:flex;align-items:center;justify-content:center;position:relative;border:1px dashed #c4c8b3;border-radius:4px;background:#fffff933}
.point-cell.done{border-style:solid;border-color:#cdaa9c;background:#fff8ea}
.point-cell .number{position:absolute;left:8px;top:4px;font-family:ui-monospace,monospace;font-size:11px;color:#55654c}
.blank-stamp,.earned-stamp{width:72%;aspect-ratio:1;border-radius:50%;display:flex;align-items:center;justify-content:center;max-width:112px}
.blank-stamp{border:1px solid #c9cdb8;color:var(--muted);font-size:12px}
.future .blank-stamp{border-style:dashed;background:#e9ebdf44}
.earned-stamp{min-height:44px;border:4px double var(--red);background:transparent;color:var(--red);font-family:var(--serif);font-size:clamp(17px,2.8vw,28px);font-weight:900;white-space:nowrap;transform:rotate(-11deg);padding:0}
.point-cell:nth-child(even) .earned-stamp{transform:rotate(8deg)}
.earned-stamp:hover{background:#f8e6d655}
.point-card-note{font-size:13px;color:var(--muted);text-align:center;margin:21px 0 0}
.book-summary{display:flex;align-items:center;gap:20px;padding:22px}
.book-summary strong{font-family:var(--serif);font-size:34px;line-height:1.2;color:var(--red)}
.book-summary span{font-size:15px}
.book-summary .text-button{margin-left:auto}
.point-card .book-summary{border-top:2px dashed #b6bc9f;margin:22px 0 0;padding:16px 0 0}
.activity-card{max-width:650px;margin:12px auto 50px;padding:32px;overflow-wrap:anywhere}
.activity-card h1{font-size:30px;margin:6px 0 14px}
.activity-card>p{font-size:16px;margin-bottom:22px}
.activity-card label{display:block;font-size:15px;font-weight:700;margin:18px 0 6px}
.activity-card input,.activity-card select{width:100%;min-height:48px;border:1px solid #8f9c84;padding:10px 12px;background:#fff;font-size:16px;color:var(--ink);border-radius:2px}
.activity-card select{display:block;background:var(--paper)}
.activity-card form .btn{margin-top:18px}
.activity-card .btn{margin-top:15px}
.activity-card .back-link{margin-right:18px}
.activity-card hr{border:0;border-top:1px dashed var(--line);margin:25px 0}
.form-note,.activity-card .form-note{font-size:13px;line-height:1.75;color:var(--muted);margin-top:18px}
.result{background:#e8eddf;border-left:3px solid var(--red);padding:14px 16px;margin-top:20px;font-size:15px;white-space:pre-line;overflow-wrap:anywhere}
.chat-log{min-height:150px}
.chat-message{margin:14px 0;padding:14px 18px;background:#e9eddf;border:1px solid var(--line);border-radius:0 14px 14px 14px;font-size:15px}
.chat-message b{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.image-attachment{border-top:1px dashed var(--line);margin-top:26px;padding-top:6px}
.image-attachment input{font-size:14px}
#upload-preview{display:block;width:100%;max-width:250px;max-height:250px;object-fit:contain;margin-top:16px}
.detail-product-image{width:100%;max-height:320px;object-fit:contain;margin:18px 0;border:1px solid var(--line)}
.coupon-ticket{border:2px dashed #ab8652;padding:22px 15px;margin:20px 0;background:#fff3cb;text-align:center;border-radius:4px}
.coupon-ticket>span{font-family:var(--serif);letter-spacing:.1em;font-size:16px}
.coupon-ticket h2{font-family:var(--serif);color:var(--red);font-size:26px;margin:8px 0}
.coupon-ticket small{font-size:12px;color:var(--muted)}
.toast{position:fixed;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);max-width:calc(100vw - 32px);width:max-content;background:var(--green);color:#fffef2;border:1px solid #c8d0b8;box-shadow:3px 3px 0 #183a2a55;padding:14px 22px;z-index:15;font-size:15px;line-height:1.7}
.toast strong{color:var(--yellow)}
dialog{max-width:calc(100vw - 32px);max-height:calc(100vh - 32px);overflow:auto;width:440px;padding:28px;border:2px solid var(--green);background:var(--paper);color:var(--ink);box-shadow:7px 7px 0 #182b2d44}
dialog::backdrop{background:#243b3a88}
dialog h2{font-family:var(--serif);font-size:22px;margin:8px 0 14px}
dialog p{font-size:15px}
.dialog-buttons{display:flex;gap:12px;justify-content:flex-end;margin-top:20px}
.milestone{text-align:center;padding:30px;background:#fff8da}
.milestone h2{font-size:34px;color:var(--red)}
.confetti{font-size:24px;color:#a2502f;letter-spacing:.08em;margin-bottom:10px}
.big-stamp{width:120px;height:120px;border:4px double var(--red);border-radius:50%;display:flex;flex-direction:column;justify-content:center;margin:22px auto;color:var(--red);font-family:var(--serif);font-size:20px;line-height:1.5;transform:rotate(-10deg)}
.big-stamp b{font-size:30px}
.milestone .small{font-size:13px;color:var(--muted);margin-bottom:16px}
.milestone button{display:flex;margin:8px auto}
#stamp-details #detail-copy{line-height:1.9;margin-bottom:16px}
#stamp-details #detail-link{display:flex;margin-bottom:8px}
#stamp-details .btn{width:100%}
#header-picture-dialog{width:560px}
.enlarged-header{display:block;width:100%;max-width:480px;margin:0 auto 18px}
.discovery{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:100}
.impact-stamp{display:grid;place-items:center;width:190px;height:190px;flex-shrink:0;border:8px double #c12d22;border-radius:50%;background:#fff7e2ee;color:#c12d22;font-family:var(--serif);font-weight:900;font-size:47px;box-shadow:0 0 0 12px #e79b6233,5px 8px 0 #542c2922;transform:rotate(-12deg);animation:stamp-impact 1.5s both;position:relative}
.impact-stamp:after{content:"";position:absolute;inset:-26px;border:2px solid #c12d22;border-radius:50%;animation:stamp-ring .45s ease-out both}
@keyframes stamp-impact{0%{opacity:0;transform:scale(2.6) rotate(-23deg)}16%{opacity:1;transform:scale(.88) rotate(-12deg)}26%{transform:scale(1.07) rotate(-12deg)}36%,76%{opacity:1;transform:scale(1) rotate(-12deg)}100%{opacity:0;transform:scale(1) rotate(-12deg)}}
@keyframes stamp-ring{0%,22%{opacity:0;transform:scale(.65)}32%{opacity:.65}100%{opacity:0;transform:scale(1.6)}}
@media(max-width:1040px){.hero{grid-template-columns:minmax(0,1fr) 190px;column-gap:20px;padding:28px 24px 0}.hero h1{font-size:34px}.hero-bottom{margin:0 -24px}}
@media(max-width:899px){.hero-grid,.intro-row{grid-template-columns:minmax(0,1fr)}.counter{padding:22px 18px}}
@media(max-width:720px){
.wrap{padding-left:18px;padding-right:18px}
.topline{padding:7px 18px;font-size:12px;letter-spacing:.02em}.topline span:first-child{display:none}.topline span:last-child{margin:auto}
.masthead{padding-top:18px;padding-bottom:16px}
.brand-icon{width:46px;height:46px;font-size:26px}.brand strong{font-size:30px}.brand small{font-size:11px;letter-spacing:.03em}
.header-note{display:none}
.nav .nav-inner{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));padding-left:0;padding-right:0}
.nav a{grid-column:span 2;min-height:48px;padding:6px 4px;font-size:13px;letter-spacing:0;white-space:normal;text-align:center}
.nav a:nth-child(n+4){grid-column:span 3;border-top:1px solid var(--line)}
.nav a:nth-child(2),.nav a:nth-child(3),.nav a:nth-child(5){border-left:1px solid var(--line)}
.nav a:nth-child(3){flex-direction:column;gap:1px;line-height:1.4}
.ticker{align-items:flex-start;gap:10px;padding:14px 0;line-height:1.7}.ticker-star{display:none}.new{margin-top:3px}
.hero-grid{gap:14px}
.hero{display:block;padding:24px 20px 0}
.hero h1{font-size:30px}
.hero p{margin:12px 0 20px}
.hero>.btn{display:flex;width:100%}
.hero-note{margin:12px 0 20px}
.hero-art{max-width:300px;margin:0 auto 24px;padding-bottom:0}
.hero-bottom{margin:0 -20px;padding:10px 16px}
.desktop{display:none}
.counter{padding:20px 14px}
.intro-row{gap:14px;margin:20px 0 28px}
.notice{padding:16px}.notice-item{flex-direction:column;gap:0}
.book-teaser{padding:18px;gap:16px}.book-teaser h2{font-size:22px}.book-teaser h2 span{margin-left:6px}
.section-heading h2{font-size:24px}
.products{grid-template-columns:minmax(0,1fr);gap:16px}
.product{display:grid;grid-template-columns:120px minmax(0,1fr)}
.product-art{height:auto;min-height:208px;padding:38px 8px 30px;border-bottom:0;border-right:1px solid var(--line)}
.product-art>img{height:auto}
.product-tag{left:8px;top:10px;font-size:11px;padding:2px 6px}
.art-id{right:7px;font-size:10px;letter-spacing:0}
.product-copy{padding:14px 14px 0}
.product h3{font-size:17px}
.price{font-size:22px}.price small{margin-left:4px}
.footer{padding-top:20px;padding-bottom:24px}
.footer>div:first-child{flex-direction:column;align-items:flex-start;gap:2px}
.footer-links{gap:0 18px}
.page-title h1{font-size:32px}
.point-card{padding:18px 14px}
.card-heading h2{font-size:21px}
.card-heading>span:last-child{font-size:12px}
.point-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.point-cell{aspect-ratio:.92}
.point-cell .number{font-size:10px;left:5px;top:3px}
.blank-stamp,.earned-stamp{width:82%}
.earned-stamp{border-width:3px;font-size:15px}
.blank-stamp{font-size:11px}
.point-card-note{text-align:left}
.book-summary{flex-wrap:wrap;gap:12px}
.book-summary strong{font-size:30px}
.activity-card{padding:24px 18px}.activity-card h1{font-size:26px}.activity-card .btn{width:100%}
.coupon-ticket h2{font-size:20px}
dialog{padding:22px 20px}
.milestone h2{font-size:28px}
.dialog-buttons{flex-direction:column}.dialog-buttons .btn{width:100%}
#header-picture-dialog{padding:16px}.enlarged-header{margin-bottom:12px}
.impact-stamp{width:160px;height:160px;font-size:40px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.impact-stamp{animation:none;transform:rotate(-12deg)}.impact-stamp:after{display:none}}